samuela · August 27, 2026 17:12
diff --git a/README.md b/README.md
diff --git a/after-client-logs.txt b/after-client-logs.txt
 == /tmp/after-client-10.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-11.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-1.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-2.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-3.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-4.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-5.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-6.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-7.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-8.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/after-client-9.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
diff --git a/after-final-layers.txt b/after-final-layers.txt
 Output "Virtual-1":
  Background layer:
    Surface:
      Namespace: "niri-layer-output-dmabuf-reproducer"
      Keyboard interactivity: none

  Bottom layer: (empty)

  Top layer: (empty)

  Overlay layer: (empty)

diff --git a/after.csv b/after.csv
diff --git a/before-client-logs.txt b/before-client-logs.txt
 == /tmp/before-client-10.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-11.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-1.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-2.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-3.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-4.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-5.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-6.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-7.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-8.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
 == /tmp/before-client-9.log ==
 READY logical=1280x800 buffer=2560x1600 bytes=16384000
diff --git a/before-final-layers.txt b/before-final-layers.txt
 Output "Virtual-1":
  Background layer:
    Surface:
      Namespace: "niri-layer-output-dmabuf-reproducer"
      Keyboard interactivity: none

  Bottom layer: (empty)

  Top layer: (empty)

  Overlay layer: (empty)

diff --git a/before.csv b/before.csv
diff --git a/collect-dmabuf-tty.sh b/collect-dmabuf-tty.sh
 #!/usr/bin/env bash
 set -euo pipefail

 if [[ $# -lt 8 || $# -gt 10 ]]; then
    echo "usage: $0 LABEL REVISION NIRI_BIN CLIENT_BIN SAMPLE_DRM OUTPUT OUTPUT_CSV CYCLES [OFF_SECONDS] [SETTLE_SECONDS]" >&2
    exit 2
 fi

 label=$1
 revision=$2
 niri_bin=$3
 client_bin=$4
 sample_drm=$5
 output_name=$6
 output_csv=$7
 cycles=$8
 off_seconds=${9:-1}
 settle_seconds=${10:-2}
 dmabuf_device=${DMABUF_DEVICE:-/dev/dri/renderD128}

 : "${NIRI_SOCKET:?NIRI_SOCKET must point at the compositor IPC socket}"
 : "${XDG_RUNTIME_DIR:?XDG_RUNTIME_DIR must be set}"

 niri_pid=$(pgrep -u "$(id -u)" -x niri | head -n 1)
 if [[ -z $niri_pid ]]; then
    echo "could not find the niri process" >&2
    exit 1
 fi

 socket_name=$(basename -- "$NIRI_SOCKET")
 wayland_display=${socket_name#niri.}
 wayland_display=${wayland_display%."$niri_pid".sock}
 if [[ $wayland_display == "$socket_name" || -z $wayland_display ]]; then
    echo "could not derive WAYLAND_DISPLAY from $NIRI_SOCKET and PID $niri_pid" >&2
    exit 1
 fi

 client_pid=
 client_buffer_bytes=0
 generation=0
 cleanup() {
    if [[ -n ${client_pid:-} ]] && kill -0 "$client_pid" 2>/dev/null; then
        kill -TERM "$client_pid" 2>/dev/null || true
        wait "$client_pid" 2>/dev/null || true
    fi
 }
 trap cleanup EXIT INT TERM

 start_client() {
    ((generation += 1)) || true
    local client_log="/tmp/$label-client-$generation.log"

    env -u DISPLAY \
        WAYLAND_DISPLAY="$wayland_display" \
        BUFFER_SCALE=2 \
        "$client_bin" "$dmabuf_device" \
        >"$client_log" 2>&1 &
    client_pid=$!

    for _ in {1..600}; do
        if ! kill -0 "$client_pid" 2>/dev/null; then
            wait "$client_pid" || true
            echo "DMA-BUF client exited during startup:" >&2
            cat "$client_log" >&2
            return 1
        fi
        if grep -q '^READY ' "$client_log" \
            && "$niri_bin" msg layers 2>/dev/null \
                | grep -q 'niri-layer-output-dmabuf-reproducer'; then
            client_buffer_bytes=$(sed -n 's/^READY .* bytes=\([0-9][0-9]*\)$/\1/p' "$client_log")
            if [[ -z $client_buffer_bytes ]]; then
                echo "could not parse DMA-BUF byte size from $client_log" >&2
                return 1
            fi
            return 0
        fi
        sleep 0.1
    done

    echo "timed out waiting for DMA-BUF layer generation $generation" >&2
    cat "$client_log" >&2
    return 1
 }

 wait_for_client_exit() {
    local client_log="/tmp/$label-client-$generation.log"

    for _ in {1..600}; do
        if ! kill -0 "$client_pid" 2>/dev/null; then
            if ! wait "$client_pid"; then
                echo "DMA-BUF client failed during output removal; see $client_log" >&2
                return 1
            fi
            client_pid=
            return 0
        fi
        sleep 0.1
    done

    echo "DMA-BUF client did not exit after output removal; see $client_log" >&2
    return 1
 }

 layer_count() {
    local count
    count=$("$niri_bin" msg layers 2>/dev/null \
        | grep -c 'niri-layer-output-dmabuf-reproducer' || true)
    printf '%d\n' "$count"
 }

 sample_cycle() {
    local cycle=$1
    local compositor_counters client_counters retained_layers stale_layers
    if ! compositor_counters=$("$sample_drm" "$niri_pid"); then
        compositor_counters="0,0,0,$(awk '$1 == "VmRSS:" { print $2; exit }' "/proc/$niri_pid/status")"
    fi
    if ! client_counters=$("$sample_drm" "$client_pid"); then
        client_counters="0,0,0,$(awk '$1 == "VmRSS:" { print $2; exit }' "/proc/$client_pid/status")"
    fi
    retained_layers=$(layer_count)
    stale_layers=0
    if [[ -n ${NIRI_REPRO_LOG:-} && -e $NIRI_REPRO_LOG ]]; then
        stale_layers=$(sed -n \
            's/.*NIRI_REPRO_LAYER_METRICS mapped=\([0-9][0-9]*\).*/\1/p' \
            "$NIRI_REPRO_LOG" | tail -n 1)
        stale_layers=${stale_layers:-0}
    fi

    printf '%s,%s,%d,%s,%s,%d,%s,%d\n' \
        "$label" "$revision" "$cycle" \
        "$compositor_counters" "$client_counters" "$retained_layers" \
        "$client_buffer_bytes" "$stale_layers" \
        | tee -a "$output_csv"
 }

 dump_niri_fdinfo() {
    local destination=$1
    : >"$destination"
    for fdinfo in "/proc/$niri_pid"/fdinfo/*; do
        if grep -q '^drm-client-id:' "$fdinfo" 2>/dev/null; then
            printf '\n== %s ==\n' "$fdinfo" >>"$destination"
            cat "$fdinfo" >>"$destination"
        fi
    done
 }

 printf '%s\n' \
    'variant,revision,cycle,niri_total_kib,niri_shared_kib,niri_resident_kib,niri_rss_kib,client_total_kib,client_shared_kib,client_resident_kib,client_rss_kib,visible_layers,client_buffer_bytes,stale_mapped_layers' \
    >"$output_csv"

 start_client
 sleep "$settle_seconds"
 dump_niri_fdinfo "/tmp/$label-niri-fdinfo-start.txt"
 sample_cycle 0

 for ((cycle = 1; cycle <= cycles; cycle++)); do
    "$niri_bin" msg output "$output_name" off >/dev/null
    wait_for_client_exit
    sleep "$off_seconds"
    "$niri_bin" msg output "$output_name" on >/dev/null
    start_client
    sleep "$settle_seconds"
    sample_cycle "$cycle"
 done

 dump_niri_fdinfo "/tmp/$label-niri-fdinfo-end.txt"
 "$niri_bin" msg layers >"/tmp/$label-final-layers.txt"

 : >"/tmp/$label-client-logs.txt"
 for client_log in "/tmp/$label-client-"*.log; do
    printf '== %s ==\n' "$client_log" >>"/tmp/$label-client-logs.txt"
    cat "$client_log" >>"/tmp/$label-client-logs.txt"
 done
diff --git a/dmabuf-layer-Cargo.toml b/dmabuf-layer-Cargo.toml
 [package]
 name = "niri-layer-output-dmabuf-reproducer"
 version = "0.1.0"
 edition = "2021"
 publish = false

 [dependencies]
 anyhow = "1"
 gbm = { version = "0.18", default-features = false }
 wayland-client = "0.31"
 wayland-protocols = { version = "0.32", features = ["client"] }
 wayland-protocols-wlr = { version = "0.3", features = ["client"] }
diff --git a/dmabuf-layer-main.rs b/dmabuf-layer-main.rs
 use std::fs::OpenOptions;
 use std::os::fd::AsFd;

 use anyhow::{Context, Result};
 use gbm::{BufferObjectFlags, Device, Format};
 use wayland_client::globals::{registry_queue_init, GlobalListContents};
 use wayland_client::protocol::{
    wl_buffer, wl_compositor, wl_output, wl_registry, wl_surface,
 };
 use wayland_client::{delegate_noop, Connection, Dispatch, QueueHandle};
 use wayland_protocols::wp::linux_dmabuf::zv1::client::{
    zwp_linux_buffer_params_v1, zwp_linux_dmabuf_v1,
 };
 use wayland_protocols_wlr::layer_shell::v1::client::{
    zwlr_layer_shell_v1, zwlr_layer_surface_v1,
 };

 #[derive(Default)]
 struct State {
    configure: Option<(u32, u32)>,
    closed: bool,
 }

 fn main() -> Result<()> {
    let render_node = std::env::args()
        .nth(1)
        .unwrap_or_else(|| "/dev/dri/renderD128".to_owned());
    let scale = std::env::var("BUFFER_SCALE")
        .ok()
        .and_then(|value| value.parse::<u32>().ok())
        .unwrap_or(2);

    let connection = Connection::connect_to_env().context("connect to Wayland compositor")?;
    let (globals, mut event_queue) =
        registry_queue_init::<State>(&connection).context("read Wayland globals")?;
    let qh = event_queue.handle();

    let compositor: wl_compositor::WlCompositor = globals
        .bind(&qh, 4..=6, ())
        .context("bind wl_compositor")?;
    let output: wl_output::WlOutput =
        globals.bind(&qh, 1..=4, ()).context("bind wl_output")?;
    let layer_shell: zwlr_layer_shell_v1::ZwlrLayerShellV1 = globals
        .bind(&qh, 1..=4, ())
        .context("bind zwlr_layer_shell_v1")?;
    let linux_dmabuf: zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1 = globals
        .bind(&qh, 3..=4, ())
        .context("bind zwp_linux_dmabuf_v1")?;

    let surface = compositor.create_surface(&qh, ());
    let layer_surface = layer_shell.get_layer_surface(
        &surface,
        Some(&output),
        zwlr_layer_shell_v1::Layer::Background,
        "niri-layer-output-dmabuf-reproducer".to_owned(),
        &qh,
        (),
    );
    layer_surface.set_anchor(
        zwlr_layer_surface_v1::Anchor::Top
            | zwlr_layer_surface_v1::Anchor::Bottom
            | zwlr_layer_surface_v1::Anchor::Left
            | zwlr_layer_surface_v1::Anchor::Right,
    );
    layer_surface.set_exclusive_zone(-1);
    layer_surface.set_size(0, 0);
    surface.commit();
    connection.flush().context("send initial layer commit")?;

    let mut state = State::default();
    while state.configure.is_none() {
        event_queue
            .blocking_dispatch(&mut state)
            .context("wait for initial layer configure")?;
    }
    let (logical_width, logical_height) = state.configure.unwrap();
    let logical_width = logical_width.max(1);
    let logical_height = logical_height.max(1);
    let buffer_width = logical_width.checked_mul(scale).context("buffer width overflow")?;
    let buffer_height = logical_height.checked_mul(scale).context("buffer height overflow")?;

    let drm_file = OpenOptions::new()
        .read(true)
        .write(true)
        .open(&render_node)
        .with_context(|| format!("open render node {render_node}"))?;
    let gbm = Device::new(drm_file).context("create GBM device")?;
    let bo = gbm
        .create_buffer_object::<()>(
            buffer_width,
            buffer_height,
            Format::Argb8888,
            BufferObjectFlags::RENDERING | BufferObjectFlags::LINEAR,
        )
        .context("allocate linear ARGB8888 GBM buffer")?;
    let dma_fd = bo.fd().context("export GBM buffer as DMA-BUF")?;
    let stride = bo.stride();
    let modifier: u64 = bo.modifier().into();

    let params = linux_dmabuf.create_params(&qh, ());
    params.add(
        dma_fd.as_fd(),
        0,
        0,
        stride,
        (modifier >> 32) as u32,
        modifier as u32,
    );
    let buffer = params.create_immed(
        buffer_width as i32,
        buffer_height as i32,
        Format::Argb8888 as u32,
        zwp_linux_buffer_params_v1::Flags::empty(),
        &qh,
        (),
    );
    params.destroy();

    surface.set_buffer_scale(scale as i32);
    surface.attach(Some(&buffer), 0, 0);
    surface.damage_buffer(0, 0, buffer_width as i32, buffer_height as i32);
    surface.commit();
    connection.flush().context("map DMA-BUF layer")?;
    println!(
        "READY logical={}x{} buffer={}x{} bytes={}",
        logical_width,
        logical_height,
        buffer_width,
        buffer_height,
        u64::from(stride) * u64::from(buffer_height)
    );

    while !state.closed {
        event_queue
            .blocking_dispatch(&mut state)
            .context("wait for layer close")?;
    }

    buffer.destroy();
    layer_surface.destroy();
    surface.destroy();
    connection.flush().context("send layer teardown")?;
    drop((dma_fd, bo, gbm));
    Ok(())
 }

 impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for State {
    fn event(
        _state: &mut Self,
        _proxy: &wl_registry::WlRegistry,
        _event: wl_registry::Event,
        _data: &GlobalListContents,
        _connection: &Connection,
        _qh: &QueueHandle<Self>,
    ) {
    }
 }

 impl Dispatch<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1, ()> for State {
    fn event(
        state: &mut Self,
        layer_surface: &zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
        event: zwlr_layer_surface_v1::Event,
        _data: &(),
        _connection: &Connection,
        _qh: &QueueHandle<Self>,
    ) {
        match event {
            zwlr_layer_surface_v1::Event::Configure {
                serial,
                width,
                height,
            } => {
                layer_surface.ack_configure(serial);
                state.configure = Some((width, height));
            }
            zwlr_layer_surface_v1::Event::Closed => state.closed = true,
            _ => {}
        }
    }
 }

 delegate_noop!(State: ignore wl_compositor::WlCompositor);
 delegate_noop!(State: ignore wl_output::WlOutput);
 delegate_noop!(State: ignore wl_surface::WlSurface);
 delegate_noop!(State: ignore wl_buffer::WlBuffer);
 delegate_noop!(State: ignore zwlr_layer_shell_v1::ZwlrLayerShellV1);
 delegate_noop!(State: ignore zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1);
 delegate_noop!(State: ignore zwp_linux_buffer_params_v1::ZwpLinuxBufferParamsV1);
diff --git a/instrumentation.patch b/instrumentation.patch
 diff --git a/src/backend/mod.rs b/src/backend/mod.rs
 index 49fbc6b0..11a0a61e 100644
 --- a/src/backend/mod.rs
 +++ b/src/backend/mod.rs
 @@ -196,7 +196,7 @@ impl Backend {
     pub fn on_output_config_changed(&mut self, niri: &mut Niri) {
         match self {
             Backend::Tty(tty) => tty.on_output_config_changed(niri),
 -            Backend::Winit(_) => (),
 +            Backend::Winit(winit) => winit.on_output_config_changed(niri),
             Backend::Headless(_) => (),
         }
     }
 diff --git a/src/backend/tty.rs b/src/backend/tty.rs
 index 6dd83492..1355f33f 100644
 --- a/src/backend/tty.rs
 +++ b/src/backend/tty.rs
 @@ -786,20 +786,26 @@ impl Tty {
         let mut try_initialize_gpu = || {
             let display = unsafe { EGLDisplay::new(gbm.clone())? };
             let egl_device = EGLDevice::device_for_display(&display)?;
 +            let is_software = egl_device.is_software();
 
             // Software EGL devices (e.g., llvmpipe/softpipe) are rejected for now. They have some
             // problems (segfault on importing dmabufs from other renderers) and need to be
             // excluded from some places like DRM leasing.
             ensure!(
 -                !egl_device.is_software(),
 +                !is_software
 +                    || std::env::var_os("NIRI_TEST_ALLOW_SOFTWARE_RENDERER").is_some(),
                 "software EGL renderers are skipped"
             );
 
 -            let render_node = egl_device
 -                .try_get_render_node()
 -                .ok()
 -                .flatten()
 -                .unwrap_or(node);
 +            let render_node = if is_software {
 +                self.primary_render_node
 +            } else {
 +                egl_device
 +                    .try_get_render_node()
 +                    .ok()
 +                    .flatten()
 +                    .unwrap_or(node)
 +            };
             self.gpu_manager
                 .as_mut()
                 .add_node(render_node, gbm.clone())
 diff --git a/src/backend/winit.rs b/src/backend/winit.rs
 index f5ac80a2..6f112a63 100644
 --- a/src/backend/winit.rs
 +++ b/src/backend/winit.rs
 @@ -130,11 +130,18 @@ impl Winit {
                         state.niri.ipc_outputs_changed = true;
                     }
 
 -                    state.niri.output_resized(&winit.output);
 +                    if state.niri.output_exists(&winit.output) {
 +                        state.niri.output_resized(&winit.output);
 +                    }
                 }
                 WinitEvent::Input(event) => state.process_input_event(event),
                 WinitEvent::Focus(_) => (),
 -                WinitEvent::Redraw => state.niri.queue_redraw(&state.backend.winit().output),
 +                WinitEvent::Redraw => {
 +                    let output = state.backend.winit().output.clone();
 +                    if state.niri.output_exists(&output) {
 +                        state.niri.queue_redraw(&output);
 +                    }
 +                }
                 WinitEvent::CloseRequested => state.niri.stop_signal.stop(),
             })
             .unwrap();
 @@ -309,6 +316,30 @@ impl Winit {
         renderer.set_debug_flags(renderer.debug_flags() ^ DebugFlags::TINT);
     }
 
 +    /// Test-only hook that makes `niri msg output winit off/on` remove and restore the nested
 +    /// compositor's synthetic output, matching a physical connector disconnect/reconnect.
 +    pub fn on_output_config_changed(&mut self, niri: &mut Niri) {
 +        let name = self.output.user_data().get::<OutputName>().unwrap();
 +        let off = self
 +            .config
 +            .borrow()
 +            .outputs
 +            .find(name)
 +            .is_some_and(|config| config.off);
 +
 +        match (off, niri.output_exists(&self.output)) {
 +            (true, true) => niri.remove_output(&self.output),
 +            (false, false) => niri.add_output(self.output.clone(), None, false),
 +            _ => return,
 +        }
 +
 +        let mut ipc_outputs = self.ipc_outputs.lock().unwrap();
 +        let ipc_output = ipc_outputs.values_mut().next().unwrap();
 +        ipc_output.current_mode = (!off).then_some(0);
 +        ipc_output.logical = (!off).then(|| logical_output(&self.output));
 +        niri.ipc_outputs_changed = true;
 +    }
 +
     pub fn import_dmabuf(&mut self, dmabuf: &Dmabuf) -> bool {
         match self.backend.renderer().import_dmabuf(dmabuf, None) {
             Ok(_texture) => true,
 diff --git a/src/niri.rs b/src/niri.rs
 index fa44b5cb..e582a0b3 100644
 --- a/src/niri.rs
 +++ b/src/niri.rs
 @@ -2936,6 +2936,15 @@ impl Niri {
             layer.layer_surface().send_close();
         }
 
 +        if std::env::var_os("NIRI_TEST_LAYER_METRICS").is_some() {
 +            warn!(
 +                "NIRI_REPRO_LAYER_METRICS mapped={} unmapped={} removed_output_layers={}",
 +                self.mapped_layer_surfaces.len(),
 +                self.unmapped_layer_surfaces.len(),
 +                layer_map_for_output(output).layers().count(),
 +            );
 +        }
 +
         self.layout.remove_output(output);
         self.global_space.unmap_output(output);
         self.reposition_outputs(None);
diff --git a/leak-before-after.png b/leak-before-after.png
diff --git a/niri-after.log b/niri-after.log
 [2m2026-08-27T14:30:46.511246Z[0m [32m INFO[0m [2mniri[0m[2m:[0m starting version 26.04 (v26.04-86-gecb95377-modified)
 [2m2026-08-27T14:30:47.000341Z[0m [34mDEBUG[0m [2mniri_config[0m[2m:[0m loaded config from "/nix/store/gmpbc87798p6hxz382wk644jsld48ilh-niri-vm-test.kdl"
 [2m2026-08-27T14:30:48.150376Z[0m [32m INFO[0m [2mniri::backend::tty[0m[2m:[0m using as the render node: "/dev/dri/renderD128"
 [2m2026-08-27T14:30:49.532288Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m adding device: 57856 "/dev/dri/card0"
 [2m2026-08-27T14:30:49.536540Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m this is the primary node
 [2m2026-08-27T14:30:49.552457Z[0m [33m WARN[0m [2msmithay::backend::drm::device::fd[0m[2m:[0m Unable to become drm master, assuming unprivileged mode
 [2m2026-08-27T14:30:50.643178Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m got render node: renderD128
 [2m2026-08-27T14:30:50.646719Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m initializing the primary renderer
 [2m2026-08-27T14:30:50.661624Z[0m [33m WARN[0m [2msmithay::backend::egl::context[0m[2m:[0m ignoring requested context priority, EGL_IMG_context_priority not supported [3mpriority[0m[2m=[0mHigh
 [2m2026-08-27T14:30:51.970363Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m device changed: 57856
 [2m2026-08-27T14:30:52.046259Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m new connector: Virtual-1 "Red Hat, Inc. QEMU Monitor Unknown"
 [2m2026-08-27T14:30:52.091950Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:30:52.099157Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:30:52.110910Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:30:52.122125Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:30:52.130830Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:30:52.238188Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:30:52.472161Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:30:52.570659Z[0m [32m INFO[0m [2mniri[0m[2m:[0m listening on Wayland socket: wayland-1
 [2m2026-08-27T14:30:52.573299Z[0m [32m INFO[0m [2mniri[0m[2m:[0m IPC listening on: /run/user/1000/niri.wayland-1.3160.sock
 [2m2026-08-27T14:30:52.608617Z[0m [33m WARN[0m [2mniri::utils::xwayland::satellite[0m[2m:[0m error spawning xwayland-satellite at "xwayland-satellite", disabling integration: No such file or directory (os error 2)
 [2m2026-08-27T14:30:53.675144Z[0m [33m WARN[0m [2mniri::cursor[0m[2m:[0m error loading xcursor default@24: no default icon
 [2m2026-08-27T14:31:18.000546Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:31:18.017049Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:31:20.559851Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:31:20.562056Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:31:20.563601Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:31:20.564676Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:31:20.565630Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:31:20.579567Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:31:20.629685Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:31:20.841970Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:31:30.021697Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:31:30.024274Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:31:32.641990Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:31:32.643237Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:31:32.644331Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:31:32.645227Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:31:32.645711Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:31:32.654823Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:31:32.689688Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:31:32.902891Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:31:41.846277Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:31:41.850332Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:31:44.408053Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:31:44.409387Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:31:44.410539Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:31:44.411615Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:31:44.412256Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:31:44.422639Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:31:44.462416Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:31:44.661068Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:31:53.758325Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:31:53.761381Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:31:56.339632Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:31:56.341044Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:31:56.342056Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:31:56.342653Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:31:56.343449Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:31:56.352321Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:31:56.397057Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:31:56.595371Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:32:05.703258Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:32:05.706016Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:32:08.250511Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:32:08.252100Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:32:08.253115Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:32:08.253890Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:32:08.254275Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:32:08.263316Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:32:08.306317Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:32:08.501696Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:32:17.467496Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:32:17.470483Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:32:20.032104Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:32:20.033479Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:32:20.034597Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:32:20.035576Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:32:20.036212Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:32:20.046430Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:32:20.094528Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:32:20.277670Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:32:29.277149Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:32:29.279640Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:32:31.841442Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:32:31.842915Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:32:31.844154Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:32:31.845148Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:32:31.845675Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:32:31.855938Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:32:31.897953Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:32:32.109143Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:32:41.165106Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:32:41.167563Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:32:43.783693Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:32:43.785192Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:32:43.786363Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:32:43.787289Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:32:43.787997Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:32:43.796648Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:32:43.835994Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:32:44.048616Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:32:53.240645Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:32:53.243165Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:32:55.793272Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:32:55.794991Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:32:55.795975Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:32:55.796633Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:32:55.797191Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:32:55.805234Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:32:55.851297Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:32:56.068000Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:33:05.050248Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:33:05.052706Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=0 unmapped=0 removed_output_layers=0
 [2m2026-08-27T14:33:07.622078Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:33:07.623509Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:33:07.625176Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:33:07.626666Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:33:07.627638Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:33:07.638449Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:33:07.687301Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:33:07.883066Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
diff --git a/niri-before.log b/niri-before.log
 [2m2026-08-27T14:27:49.638611Z[0m [32m INFO[0m [2mniri[0m[2m:[0m starting version 26.04 (v26.04-85-gdd75865f-modified)
 [2m2026-08-27T14:27:50.477650Z[0m [34mDEBUG[0m [2mniri_config[0m[2m:[0m loaded config from "/nix/store/gmpbc87798p6hxz382wk644jsld48ilh-niri-vm-test.kdl"
 [2m2026-08-27T14:27:52.587494Z[0m [32m INFO[0m [2mniri::backend::tty[0m[2m:[0m using as the render node: "/dev/dri/renderD128"
 [2m2026-08-27T14:27:56.105475Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m adding device: 57856 "/dev/dri/card0"
 [2m2026-08-27T14:27:56.111096Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m this is the primary node
 [2m2026-08-27T14:27:56.151236Z[0m [33m WARN[0m [2msmithay::backend::drm::device::fd[0m[2m:[0m Unable to become drm master, assuming unprivileged mode
 [2m2026-08-27T14:28:02.376336Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m got render node: renderD128
 [2m2026-08-27T14:28:02.380277Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m initializing the primary renderer
 [2m2026-08-27T14:28:02.395420Z[0m [33m WARN[0m [2msmithay::backend::egl::context[0m[2m:[0m ignoring requested context priority, EGL_IMG_context_priority not supported [3mpriority[0m[2m=[0mHigh
 [2m2026-08-27T14:28:13.818583Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m device changed: 57856
 [2m2026-08-27T14:28:14.030038Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m new connector: Virtual-1 "Red Hat, Inc. QEMU Monitor Unknown"
 [2m2026-08-27T14:28:14.099553Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:28:14.112231Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:28:14.138954Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:28:14.164518Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:28:14.178705Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:28:14.411554Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:28:15.028390Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:28:15.230316Z[0m [32m INFO[0m [2mniri[0m[2m:[0m listening on Wayland socket: wayland-1
 [2m2026-08-27T14:28:15.236474Z[0m [32m INFO[0m [2mniri[0m[2m:[0m IPC listening on: /run/user/1000/niri.wayland-1.1052.sock
 [2m2026-08-27T14:28:15.318568Z[0m [33m WARN[0m [2mniri::utils::xwayland::satellite[0m[2m:[0m error spawning xwayland-satellite at "xwayland-satellite", disabling integration: No such file or directory (os error 2)
 [2m2026-08-27T14:28:16.691434Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m adding device: 57984 "/dev/dri/renderD128"
 [2m2026-08-27T14:28:16.705418Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m not a primary node, skipping
 [2m2026-08-27T14:28:17.148538Z[0m [33m WARN[0m [2mniri::cursor[0m[2m:[0m error loading xcursor default@24: no default icon
 [2m2026-08-27T14:28:42.702340Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:28:42.706088Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=1 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:28:45.464360Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:28:45.465958Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:28:45.467372Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:28:45.468545Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:28:45.469365Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:28:45.483954Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:28:45.529670Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:28:45.761306Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:28:54.615455Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:28:54.616895Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=2 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:28:57.206992Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:28:57.208278Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:28:57.209369Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:28:57.210152Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:28:57.210560Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:28:57.218524Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:28:57.262376Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:28:57.503064Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:29:06.115060Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:29:06.116191Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=3 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:29:08.659398Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:29:08.660989Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:29:08.662087Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:29:08.662905Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:29:08.663338Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:29:08.673212Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:29:08.714393Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:29:08.924912Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:29:17.498115Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:29:17.499229Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=4 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:29:20.060962Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:29:20.062282Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:29:20.063397Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:29:20.064485Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:29:20.065119Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:29:20.074181Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:29:20.116438Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:29:20.323024Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:29:28.887461Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:29:28.889124Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=5 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:29:31.446438Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:29:31.447935Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:29:31.449022Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:29:31.449939Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:29:31.450444Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:29:31.460459Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:29:31.505192Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:29:31.706936Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:29:40.276530Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:29:40.277590Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=6 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:29:42.809016Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:29:42.810294Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:29:42.811333Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:29:42.812286Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:29:42.813485Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:29:42.823650Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:29:42.869439Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:29:43.080243Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:29:51.819702Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:29:51.821490Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=7 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:29:54.422885Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:29:54.424047Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:29:54.425042Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:29:54.425627Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:29:54.426191Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:29:54.434434Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:29:54.477993Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:29:54.680288Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:30:03.239293Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:30:03.240394Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=8 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:30:05.906030Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:30:05.907988Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:30:05.909913Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:30:05.911331Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:30:05.913132Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:30:05.927208Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:30:05.974330Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:30:06.167551Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:30:14.804208Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:30:14.805493Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=9 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:30:17.377031Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:30:17.378304Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:30:17.379420Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:30:17.380265Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:30:17.380868Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:30:17.389234Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:30:17.452396Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:30:17.668990Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:30:26.234346Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m disconnecting connector: "Virtual-1"
 [2m2026-08-27T14:30:26.235424Z[0m [33m WARN[0m [2mniri::niri[0m[2m:[0m NIRI_REPRO_LAYER_METRICS mapped=10 unmapped=0 removed_output_layers=1
 [2m2026-08-27T14:30:28.811467Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:30:28.812657Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:30:28.813923Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:30:28.814579Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:30:28.815313Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:30:28.824050Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:30:28.873229Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:30:29.084129Z[0m [33m WARN[0m [2msmithay::backend::drm::surface::atomic[0m[2m:[0m Failed to destroy old mode property blob: No such file or directory (os error 2)
 [2m2026-08-27T14:30:41.890255Z[0m [32m INFO[0m [2mniri::utils::signals::platform[0m[2m:[0m quitting due to receiving signal SIGTERM
 [2m2026-08-27T14:30:42.083141Z[0m [34mDEBUG[0m [2mniri::utils::watcher[0m[2m:[0m exiting watcher thread for Explicit("/nix/store/gmpbc87798p6hxz382wk644jsld48ilh-niri-vm-test.kdl")
 [2m2026-08-27T14:30:42.287423Z[0m [31mERROR[0m [2msmithay::backend::drm::device::atomic[0m[2m:[0m Failed to restore previous state. Error: Permission denied (os error 13)
diff --git a/plot.gp b/plot.gp
 #!/usr/bin/env gnuplot
 # Before/after plot for the Niri layer-surface DMA-BUF leak
 # (niri-wm/niri issue #1457, fix PR niri-wm/niri#4485).
 #
 # Data source: matched A/B VM run in a single QEMU virtio-gpu guest running
 # Niri's real TTY/DRM backend (see README.md in this gist for methodology).
 #   before.csv = unpatched niri @ dd75865f547f0eac0e9b6c4d86d2cd00c0744252
 #   after.csv  = fixed niri    @ ecb953778c1031d0492cc6bc65429449cb32163c
 #
 # CSV columns (see header row): 3 = cycle, 13 = client_buffer_bytes,
 # 14 = stale_mapped_layers. `every ::1` skips the header row.
 #
 # Top panel:    retained stale DMA-BUF payload in MiB, computed as
 #               client_buffer_bytes * stale_mapped_layers / 2^20
 # Bottom panel: stale layer surfaces retained in the compositor's layer map
 #
 # Run from the directory containing before.csv / after.csv:
 #   gnuplot plot.gp   (writes leak-before-after.png)

 set terminal pngcairo size 1200, 900 background rgb "white" font "Sans,13"
 set output "leak-before-after.png"
 set datafile separator ","

 BEFORE = "before.csv"
 AFTER  = "after.csv"

 # Series colors: unpatched = red, fixed = green
 CB = "#d62728"
 CA = "#1a7f37"

 set title "Niri layer-surface DMA-BUF retention: unpatched vs fixed (matched A/B VM run)\n{/:Small Same QEMU virtio-gpu guest, same DMA-BUF layer client, same cycle timing; only the compositor binary differs. Metric: compositor-side retention (see README)}"
 set xrange [-0.5:10.5]
 set xtics 0, 1, 10
 set border 3
 set grid ytics lt 0 lc rgb "#dddddd"

 set multiplot layout 2, 1

 # --- Top panel: retained stale DMA-BUF payload (MiB) -----------------------
 set ylabel "Retained stale DMA-BUF payload (MiB)"
 set yrange [0:185]
 set format x ""
 set key top left spacing 1.3
 set label 1 "leak rate: 15.625 MiB per output cycle" at 7.8, 48 center font "Sans,12" textcolor rgb "#404040"
 set arrow  1 from 7.8, 57 to 7.8, 112 head lw 1.2 lc rgb "#555555"
 set label 2 "156.25 MiB after 10 cycles" at 9.6, 168 right font "Sans,12" textcolor rgb CB
 set label 3 "0 MiB retained" at 5.0, 10 center font "Sans,12" textcolor rgb CA
 plot BEFORE every ::1 using 3:($13*$14/1048576) with linespoints pt 7 ps 1.1 lw 2 lc rgb CB title "unpatched (dd75865f)", \
     AFTER  every ::1 using 3:($13*$14/1048576) with linespoints pt 5 ps 1.1 lw 2 lc rgb CA title "fixed (ecb95377, PR #4485)"

 # --- Bottom panel: stale layer surfaces retained ----------------------------
 unset label 1
 unset label 2
 unset label 3
 unset arrow 1
 set title ""
 set format x "%g"
 set xlabel "output off/on cycle"
 set ylabel "Stale layer surfaces retained\n(compositor map)"
 set yrange [0:11.5]
 set key off
 plot BEFORE every ::1 using 3:14 with linespoints pt 7 ps 1.1 lw 2 lc rgb CB notitle, \
     AFTER  every ::1 using 3:14 with linespoints pt 5 ps 1.1 lw 2 lc rgb CA notitle

 unset multiplot
diff --git a/sample-drm.sh b/sample-drm.sh
 #!/usr/bin/env bash
 set -euo pipefail

 if [[ $# -ne 1 ]]; then
    echo "usage: $0 PID" >&2
    exit 2
 fi

 sample_pid=$1
 declare -A seen_clients=()
 total_kib=0
 shared_kib=0
 resident_kib=0

 for fdinfo in "/proc/$sample_pid"/fdinfo/*; do
    client_id=$(awk '$1 == "drm-client-id:" { print $2; exit }' "$fdinfo" 2>/dev/null || true)
    [[ -n $client_id ]] || continue

    device=$(awk '$1 == "drm-pdev:" { print $2; exit }' "$fdinfo" 2>/dev/null || true)
    client_key="${device:-unknown}/$client_id"
    [[ -z ${seen_clients[$client_key]+present} ]] || continue
    seen_clients[$client_key]=1

    read -r client_total client_shared client_resident < <(
        awk '
            $1 ~ /^drm-total-/ { total += $2 }
            $1 ~ /^drm-shared-/ { shared += $2 }
            $1 ~ /^drm-resident-/ { resident += $2 }
            END { printf "%d %d %d\n", total, shared, resident }
        ' "$fdinfo"
    )
    ((total_kib += client_total)) || true
    ((shared_kib += client_shared)) || true
    ((resident_kib += client_resident)) || true
 done

 if (( ${#seen_clients[@]} == 0 )); then
    echo "no DRM client counters found for PID $sample_pid" >&2
    exit 1
 fi

 rss_kib=$(awk '$1 == "VmRSS:" { print $2; exit }' "/proc/$sample_pid/status")
 printf '%d,%d,%d,%d\n' "$total_kib" "$shared_kib" "$resident_kib" "$rss_kib"
diff --git a/shell.qml b/shell.qml
 import QtQuick
 import Quickshell
 import Quickshell.Wayland

 ShellRoot {
  Variants {
    model: Quickshell.screens

    delegate: PanelWindow {
      required property ShellScreen modelData
      screen: modelData
      color: "#203040"

      anchors {
        top: true
        bottom: true
        left: true
        right: true
      }

      WlrLayershell.layer: WlrLayer.Background
      WlrLayershell.namespace: "niri-layer-output-leak-reproducer"
      WlrLayershell.exclusionMode: ExclusionMode.Ignore
    }
  }
 }
diff --git a/vm-smoke.nix b/vm-smoke.nix
 let
  pkgs = import <nixpkgs> { };
  niriRuntimeDeps = [
    (builtins.storePath "/nix/store/0iv8glcslgfcgn371lbjr5jjw5a6cqir-gcc-15.3.0-lib")
    (builtins.storePath "/nix/store/456p4q4ka95c0i2i5hd5hfbinn1568s0-pixman-0.46.4")
    (builtins.storePath "/nix/store/5za8k2yfzgqhxrrjx7gkamgm6s80pra9-harfbuzz-13.2.1")
    (builtins.storePath "/nix/store/7pnisyzd7zvz0gg3jhgmzrd486lqwcih-pipewire-1.6.8")
    (builtins.storePath "/nix/store/aclryalbnnwidjhf21s0bpsm4v0v182l-libdisplay-info-0.3.0")
    (builtins.storePath "/nix/store/axx9bvf0dmah41f39ds9xdkds1lsz6z9-systemd-261")
    (builtins.storePath "/nix/store/bn21gzsggp8dvzfizi3nhhmz0s555ybq-libxkbcommon-1.13.2")
    (builtins.storePath "/nix/store/bz0iyqml02szkbk1h2a37wl4nbl6irm1-systemd-minimal-libs-261")
    (builtins.storePath "/nix/store/c9qdmjd4c1cc5phnwz3r38mc26xyvzfz-pango-1.57.1")
    (builtins.storePath "/nix/store/fw02nk054hybn1swhrfgvln90rfav0iv-seatd-0.9.3")
    (builtins.storePath "/nix/store/kl041rz45ijs9qp7ahjr1zabw0fl2xwx-cairo-1.18.4")
    (builtins.storePath "/nix/store/kzym5fa5jsw2ykpxlmdy9sswh5g81kxj-mesa-libgbm-26.1.3")
    (builtins.storePath "/nix/store/l8si8gnvvq93yzms1jsgh5aixyf9rl5x-glibc-2.42-67")
    (builtins.storePath "/nix/store/msjil83s4z6f0h373c8q4fm7rkhjax46-wayland-1.26.0")
    (builtins.storePath "/nix/store/v8x5c24y4zgxv5xmwhz5lz26ir816c31-libglvnd-1.7.0")
    (builtins.storePath "/nix/store/y3z5sr16sxd50bgcn2zkn46afn8fy0na-glib-2.88.1")
    (builtins.storePath "/nix/store/ywvmyakqkzflp1mq6z0ly8widqrdgad5-libinput-1.31.3")
  ];
  beforeNiri = pkgs.runCommand "niri-before-dd75865f" { inherit niriRuntimeDeps; } ''
    mkdir -p "$out/bin"
    cp ${./bin/niri-before} "$out/bin/niri"
  '';
  afterNiri = pkgs.runCommand "niri-after-ecb95377" { inherit niriRuntimeDeps; } ''
    mkdir -p "$out/bin"
    cp ${./bin/niri-after} "$out/bin/niri"
  '';
  dmabufClient = pkgs.runCommand "niri-layer-output-dmabuf-reproducer" {
    inherit niriRuntimeDeps;
  } ''
    mkdir -p "$out/bin"
    cp ${./dmabuf-layer/target/debug/niri-layer-output-dmabuf-reproducer} \
      "$out/bin/niri-layer-output-dmabuf-reproducer"
  '';
  reproTools = pkgs.runCommand "niri-layer-output-reproducer-tools" { } ''
    mkdir -p "$out/bin"
    cp ${./collect-dmabuf-tty.sh} "$out/bin/collect-dmabuf-tty"
    cp ${./sample-drm.sh} "$out/bin/sample-drm"
    substituteInPlace "$out/bin/collect-dmabuf-tty" \
      --replace-fail '#!/usr/bin/env bash' '#!${pkgs.bash}/bin/bash'
    substituteInPlace "$out/bin/sample-drm" \
      --replace-fail '#!/usr/bin/env bash' '#!${pkgs.bash}/bin/bash'
    chmod +x "$out/bin/collect-dmabuf-tty" "$out/bin/sample-drm"
  '';

  config = pkgs.writeText "niri-vm-test.kdl" ''
    hotkey-overlay {
        skip-at-startup
    }
  '';

  launcher = pkgs.writeShellApplication {
    name = "niri-vm-launcher";
    runtimeInputs = [ pkgs.coreutils ];
    text = ''
      while true; do
          while [[ ! -e /home/alice/.niri-variant ]]; do
              sleep 0.1
          done
          variant=$(< /home/alice/.niri-variant)
          case "$variant" in
              before) niri=${beforeNiri}/bin/niri ;;
              after) niri=${afterNiri}/bin/niri ;;
              *) echo "unknown variant: $variant" >&2; exit 1 ;;
          esac
          rm -f /home/alice/.niri-variant
          if LIBSEAT_BACKEND=seatd \
            XDG_RUNTIME_DIR=/run/user/1000 \
            NIRI_TEST_ALLOW_SOFTWARE_RENDERER=1 \
            NIRI_TEST_LAYER_METRICS=1 \
            RUST_LOG=niri=debug,smithay=warn \
              "$niri" --config ${config} >"/tmp/niri-$variant.log" 2>&1
          then
              status=0
          else
              status=$?
          fi
          printf '%s\n' "$status" >"/tmp/niri-$variant.status"
          touch "/tmp/niri-$variant.done"
      done
    '';
  };
 in
 {
  inherit beforeNiri afterNiri dmabufClient reproTools;

  test = pkgs.testers.runNixOSTest {
  name = "niri-layer-output-ab";
  globalTimeout = 3600;

  nodes.machine = {
    imports = [ "${pkgs.path}/nixos/tests/common/user-account.nix" ];

    services.getty.autologinUser = "alice";
    users.users.alice.extraGroups = [
      "seat"
      "video"
      "render"
      "input"
    ];
    services.seatd.enable = true;
    hardware.graphics.enable = true;
    networking.useDHCP = false;
    environment.systemPackages = [
      beforeNiri
      afterNiri
      dmabufClient
      launcher
      reproTools
      pkgs.gawk
      pkgs.gnugrep
      pkgs.mesa-demos
      pkgs.procps
      pkgs.wayland-utils
    ];
    programs.bash.loginShellInit = ''
      if [[ $(tty) == /dev/tty1 ]]; then
          exec ${launcher}/bin/niri-vm-launcher
      fi
    '';

    virtualisation.memorySize = 3072;
    virtualisation.cores = 2;
    virtualisation.qemu.options = [ "-vga none -device virtio-gpu-pci" ];
  };

  testScript = ''
    import csv
    import io
    import os

    def start_niri(variant):
        machine.succeed(
            f"su - alice -c 'printf {variant} >/home/alice/.niri-variant'"
        )
        machine.wait_until_succeeds(
            f"pgrep -u alice -x niri || test -e /tmp/niri-{variant}.done",
            timeout=120,
        )
        print(machine.succeed(f"cat /tmp/niri-{variant}.log"))
        machine.succeed("pgrep -u alice -x niri")
        machine.wait_until_succeeds(
            "find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q .",
            timeout=120,
        )
        socket = machine.succeed(
            "find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | head -n 1"
        ).strip()
        machine.sleep(10)
        print(machine.succeed(f"cat /tmp/niri-{variant}.log"))
        print(machine.succeed(
            "for file in /sys/class/drm/card0-Virtual-1/status "
            "/sys/class/drm/card0-Virtual-1/enabled "
            "/sys/class/drm/card0-Virtual-1/modes; do "
            "echo $file; cat $file; done"
        ))
        print(machine.succeed(
            f"su - alice -c 'NIRI_SOCKET={socket} ${beforeNiri}/bin/niri msg outputs' || true"
        ))
        machine.wait_until_succeeds(
            f"su - alice -c 'NIRI_SOCKET={socket} ${beforeNiri}/bin/niri msg outputs' "
            "| grep -q 'Virtual-1'",
            timeout=180,
        )
        print(machine.succeed(
            f"su - alice -c 'NIRI_SOCKET={socket} ${beforeNiri}/bin/niri msg outputs'"
        ))
        print(machine.succeed("ls -l /dev/dri; id alice"))
        machine.succeed(
            "su - alice -c 'test -r /dev/dri/renderD128 -a -w /dev/dri/renderD128'"
        )
        return socket

    def stop_niri():
        machine.succeed("pkill -TERM -u alice -x niri")
        machine.wait_until_fails("pgrep -u alice -x niri", timeout=180)
        machine.wait_until_fails(
            "find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q .",
            timeout=60,
        )

    def collect(variant, revision, niri, socket):
        command = (
            "XDG_RUNTIME_DIR=/run/user/1000 "
            f"NIRI_SOCKET={socket} "
            "DMABUF_DEVICE=/dev/dri/card0 "
            f"NIRI_REPRO_LOG=/tmp/niri-{variant}.log "
            "${reproTools}/bin/collect-dmabuf-tty "
            f"{variant} {revision} {niri} "
            "${dmabufClient}/bin/niri-layer-output-dmabuf-reproducer "
            "${reproTools}/bin/sample-drm Virtual-1 "
            f"/tmp/{variant}.csv 10 2 2"
        )
        machine.succeed(f"su - alice -c '{command}'", timeout=1500)
        data = machine.succeed(f"cat /tmp/{variant}.csv")
        print(data)
        return data

    def retain_artifacts(names):
        output = os.environ["out"]
        os.makedirs(output, exist_ok=True)
        for name in names:
            data = machine.succeed(f"cat /tmp/{name}")
            with open(os.path.join(output, name), "w", encoding="utf-8") as handle:
                handle.write(data)

    start_all()
    machine.wait_for_unit("seatd.service", timeout=180)
    machine.wait_until_succeeds("test -e /dev/dri/card0", timeout=180)
    machine.succeed("chgrp render /dev/dri/card0 /dev/dri/renderD128")
    machine.succeed("chmod 0660 /dev/dri/card0 /dev/dri/renderD128")
    print(machine.succeed("ls -l /dev/dri; find /sys/class/drm -maxdepth 1 -printf '%f\\n' | sort"))
    print(machine.succeed("systemctl status getty@tty1.service --no-pager || true"))
    machine.wait_until_succeeds(
      "pgrep -u alice -f '/bin/niri-vm-launcher'",
      timeout=180,
    )

    before_socket = start_niri("before")
    before_data = collect(
        "before",
        "dd75865f547f0eac0e9b6c4d86d2cd00c0744252",
        "${beforeNiri}/bin/niri",
        before_socket,
    )
    stop_niri()

    after_socket = start_niri("after")
    after_data = collect(
        "after",
        "ecb953778c1031d0492cc6bc65429449cb32163c",
        "${afterNiri}/bin/niri",
        after_socket,
    )

    before_rows = list(csv.DictReader(io.StringIO(before_data)))
    after_rows = list(csv.DictReader(io.StringIO(after_data)))
    assert len(before_rows) == 11
    assert len(after_rows) == 11
    assert int(before_rows[-1]["stale_mapped_layers"]) == 10
    assert int(after_rows[-1]["stale_mapped_layers"]) == 0

    retain_artifacts([
        "before.csv",
        "after.csv",
        "before-niri-fdinfo-start.txt",
        "before-niri-fdinfo-end.txt",
        "after-niri-fdinfo-start.txt",
        "after-niri-fdinfo-end.txt",
        "before-final-layers.txt",
        "after-final-layers.txt",
        "before-client-logs.txt",
        "after-client-logs.txt",
        "niri-before.log",
        "niri-after.log",
    ])
    stop_niri()
  '';
  };
 }
diff --git a/vm-test-run.log b/vm-test-run.log
 got build log for '/nix/store/5wn4k7gv3l6i06by75fl78irk1wc4jnl-vm-test-run-niri-layer-output-ab' from 'daemon'
 Machine state will be reset. To keep it, pass --keep-vm-state
 [1m[32mstart all VLans[0m
 start vlan
 running vlan (pid 7; ctl /build/vde1.ctl)
 (finished: start all VLans, in 0.00 seconds)
 Test will time out and terminate in 3600 seconds
 [1m[32mrun the VM test script[0m
 additionally exposed symbols:
    machine,
    vlan1,
    start_all, test_script, machines, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, Machine, t, debug
 [1m[32mstart all VMs[0m
 machine: starting vm
 mke2fs 1.47.3 (8-Jul-2025)
 qemu-system-x86_64: Could not access KVM kernel module: No such file or directory
 qemu-system-x86_64: failed to initialize kvm: No such file or directory
 qemu-system-x86_64: falling back to tcg
 [2mmachine # Disk image does not exist, creating the virtualisation disk image...[0m
 [2mmachine # Formatting '/build/vm-state-machine/tmp.FrSjf4GSal', fmt=raw size=1073741824[0m
 [2mmachine # Discarding device blocks:      0/262144             done[0m
 [2mmachine # Creating filesystem with 262144 4k blocks and 65536 inodes[0m
 [2mmachine # Filesystem UUID: fcdcae98-59a9-4280-bb4a-2b34d121fee8[0m
 [2mmachine # Superblock backups stored on blocks:[0m
 [2mmachine # 	32768, 98304, 163840, 229376[0m
 [2mmachine # [0m
 [2mmachine # Allocating group tables: 0/8   done[0m
 [2mmachine # Writing inode tables: 0/8   done[0m
 [2mmachine # Creating journal (8192 blocks): done[0m
 machine: QEMU running (pid 9)
 [2mmachine # Writing superblocks and filesystem accounting information: 0/8   done[0m
 [2mmachine # [0m
 [2mmachine # Virtualisation disk image created.[0m
 (finished: start all VMs, in 0.49 seconds)
 machine: [1m[32mwaiting for unit seatd.service[0m
 machine: [1m[32mwaiting for the VM to finish booting[0m
 [2mmachine # c[?7l[2J[0mSeaBIOS (version rel-1.17.0-0-gb52ca86e094d-prebuilt.qemu.org)[0m
 [2mmachine # [0m
 [2mmachine # [0m
 [2mmachine # iPXE (http://ipxe.org) 00:02.0 C000 PCI2.10 PnP PMM+BEFD1950+BEF31950 C000[0m
 [2mmachine # Press Ctrl-B to configure iPXE (PCI 00:02.0)...[0m
 [2mmachine # [0m
 [2mmachine # [0m
 [2mmachine # [0m
 [2mmachine # [0m
 [2mmachine # iPXE (http://ipxe.org) 00:08.0 C100 PCI2.10 PnP PMM BEFD1950 BEF31950 C100[0m
 [2mmachine # Press Ctrl-B to configure iPXE (PCI 00:08.0)...[0m
 [2mmachine # [0m
 [2mmachine # [0m
 [2mmachine # Booting from ROM...[0m
 [2mmachine # Probing EDD (edd=off to disable)... oc[?7l[2J[    0.000000] Linux version 6.12.82 (nixbld@localhost) (gcc (GCC) 14.3.0, GNU ld (GNU Binutils) 2.44) #1-NixOS SMP PREEMPT_DYNAMIC Sat Apr 18 08:41:59 UTC 2026[0m
 [2mmachine # [    0.000000] Command line: console=ttyS0 console=tty0 panic=1 boot.panic_on_fail clocksource=acpi_pm loglevel=7 net.ifnames=0 lsm=landlock,yama,bpf init=/nix/store/8vbbm5bzbsvmigy4hfzqpvj34vf3qv72-nixos-system-machine-test/init regInfo=/nix/store/1avhq9ydbhff2jz8c6lsvklf1zx49saw-closure-info/registration console=ttyS0,115200n8 console=tty0[0m
 [2mmachine # [    0.000000] BIOS-provided physical RAM map:[0m
 [2mmachine # [    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable[0m
 [2mmachine # [    0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved[0m
 [2mmachine # [    0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved[0m
 [2mmachine # [    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bffdafff] usable[0m
 [2mmachine # [    0.000000] BIOS-e820: [mem 0x00000000bffdb000-0x00000000bfffffff] reserved[0m
 [2mmachine # [    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved[0m
 [2mmachine # [    0.000000] BIOS-e820: [mem 0x000000fd00000000-0x000000ffffffffff] reserved[0m
 [2mmachine # [    0.000000] NX (Execute Disable) protection: active[0m
 [2mmachine # [    0.000000] APIC: Static calls initialized[0m
 [2mmachine # [    0.000000] SMBIOS 2.8 present.[0m
 [2mmachine # [    0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.17.0-0-gb52ca86e094d-prebuilt.qemu.org 04/01/2014[0m
 [2mmachine # [    0.000000] DMI: Memory slots populated: 1/1[0m
 [2mmachine # [    0.000000] tsc: Fast TSC calibration using PIT[0m
 [2mmachine # [    0.000000] tsc: Detected 2208.011 MHz processor[0m
 [2mmachine # [    0.008381] last_pfn = 0xbffdb max_arch_pfn = 0x10000000000[0m
 [2mmachine # [    0.009353] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs[0m
 [2mmachine # [    0.009585] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT[0m
 [2mmachine # [    0.033990] found SMP MP-table at [mem 0x000f5460-0x000f546f][0m
 [2mmachine # [    0.036347] Using GB pages for direct mapping[0m
 [2mmachine # [    0.042581] RAMDISK: [mem 0xbf3cd000-0xbffcffff][0m
 [2mmachine # [    0.043263] ACPI: Early table checksum verification disabled[0m
 [2mmachine # [    0.043888] ACPI: RSDP 0x00000000000F5280 000014 (v00 BOCHS )[0m
 [2mmachine # [    0.044365] ACPI: RSDT 0x00000000BFFE2418 000034 (v01 BOCHS  BXPC     00000001 BXPC 00000001)[0m
 [2mmachine # [    0.045405] ACPI: FACP 0x00000000BFFE22C4 000074 (v01 BOCHS  BXPC     00000001 BXPC 00000001)[0m
 [2mmachine # [    0.046245] ACPI: DSDT 0x00000000BFFE0040 002284 (v01 BOCHS  BXPC     00000001 BXPC 00000001)[0m
 [2mmachine # [    0.046366] ACPI: FACS 0x00000000BFFE0000 000040[0m
 [2mmachine # [    0.046449] ACPI: APIC 0x00000000BFFE2338 000080 (v03 BOCHS  BXPC     00000001 BXPC 00000001)[0m
 [2mmachine # [    0.046492] ACPI: HPET 0x00000000BFFE23B8 000038 (v01 BOCHS  BXPC     00000001 BXPC 00000001)[0m
 [2mmachine # [    0.046531] ACPI: WAET 0x00000000BFFE23F0 000028 (v01 BOCHS  BXPC     00000001 BXPC 00000001)[0m
 [2mmachine # [    0.046664] ACPI: Reserving FACP table memory at [mem 0xbffe22c4-0xbffe2337][0m
 [2mmachine # [    0.046702] ACPI: Reserving DSDT table memory at [mem 0xbffe0040-0xbffe22c3][0m
 [2mmachine # [    0.046714] ACPI: Reserving FACS table memory at [mem 0xbffe0000-0xbffe003f][0m
 [2mmachine # [    0.046725] ACPI: Reserving APIC table memory at [mem 0xbffe2338-0xbffe23b7][0m
 [2mmachine # [    0.046734] ACPI: Reserving HPET table memory at [mem 0xbffe23b8-0xbffe23ef][0m
 [2mmachine # [    0.046743] ACPI: Reserving WAET table memory at [mem 0xbffe23f0-0xbffe2417][0m
 [2mmachine # [    0.052134] No NUMA configuration found[0m
 [2mmachine # [    0.052169] Faking a node at [mem 0x0000000000000000-0x00000000bffdafff][0m
 [2mmachine # [    0.052971] NODE_DATA(0) allocated [mem 0xbffd58c0-0xbffdadff][0m
 [2mmachine # [    0.057351] Zone ranges:[0m
 [2mmachine # [    0.057389]   DMA      [mem 0x0000000000001000-0x0000000000ffffff][0m
 [2mmachine # [    0.057492]   DMA32    [mem 0x0000000001000000-0x00000000bffdafff][0m
 [2mmachine # [    0.057509]   Normal   empty[0m
 [2mmachine # [    0.057531]   Device   empty[0m
 [2mmachine # [    0.057548] Movable zone start for each node[0m
 [2mmachine # [    0.057589] Early memory node ranges[0m
 [2mmachine # [    0.057626]   node   0: [mem 0x0000000000001000-0x000000000009efff][0m
 [2mmachine # [    0.057828]   node   0: [mem 0x0000000000100000-0x00000000bffdafff][0m
 [2mmachine # [    0.058006] Initmem setup node 0 [mem 0x0000000000001000-0x00000000bffdafff][0m
 [2mmachine # [    0.059616] On node 0, zone DMA: 1 pages in unavailable ranges[0m
 [2mmachine # [    0.059960] On node 0, zone DMA: 97 pages in unavailable ranges[0m
 [2mmachine # [    0.162935] On node 0, zone DMA32: 37 pages in unavailable ranges[0m
 [2mmachine # [    0.163591] ACPI: PM-Timer IO Port: 0x608[0m
 [2mmachine # [    0.164284] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])[0m
 [2mmachine # [    0.164837] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23[0m
 [2mmachine # [    0.165001] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)[0m
 [2mmachine # [    0.165334] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)[0m
 [2mmachine # [    0.165398] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)[0m
 [2mmachine # [    0.165534] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)[0m
 [2mmachine # [    0.165550] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)[0m
 [2mmachine # [    0.165799] ACPI: Using ACPI (MADT) for SMP configuration information[0m
 [2mmachine # [    0.165864] ACPI: HPET id: 0x8086a201 base: 0xfed00000[0m
 [2mmachine # [    0.166380] CPU topo: Max. logical packages:   1[0m
 [2mmachine # [    0.166398] CPU topo: Max. logical dies:       1[0m
 [2mmachine # [    0.166413] CPU topo: Max. dies per package:   1[0m
 [2mmachine # [    0.166488] CPU topo: Max. threads per core:   1[0m
 [2mmachine # [    0.166708] CPU topo: Num. cores per package:     2[0m
 [2mmachine # [    0.166735] CPU topo: Num. threads per package:   2[0m
 [2mmachine # [    0.166751] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs[0m
 [2mmachine # [    0.167863] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff][0m
 [2mmachine # [    0.167904] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff][0m
 [2mmachine # [    0.168050] [mem 0xc0000000-0xfffbffff] available for PCI devices[0m
 [2mmachine # [    0.168127] Booting paravirtualized kernel on bare hardware[0m
 [2mmachine # [    0.168793] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns[0m
 [2mmachine # [    0.184548] setup_percpu: NR_CPUS:384 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1[0m
 [2mmachine # [    0.188483] percpu: Embedded 116 pages/cpu s294912 r65536 d114688 u1048576[0m
 [2mmachine # [    0.190451] Kernel command line: console=ttyS0 console=tty0 panic=1 boot.panic_on_fail clocksource=acpi_pm loglevel=7 net.ifnames=0 lsm=landlock,yama,bpf init=/nix/store/8vbbm5bzbsvmigy4hfzqpvj34vf3qv72-nixos-system-machine-test/init regInfo=/nix/store/1avhq9ydbhff2jz8c6lsvklf1zx49saw-closure-info/registration console=ttyS0,115200n8 console=tty0[0m
 [2mmachine # [    0.192696] Unknown kernel command line parameters "regInfo=/nix/store/1avhq9ydbhff2jz8c6lsvklf1zx49saw-closure-info/registration", will be passed to user space.[0m
 [2mmachine # [    0.193576] random: crng init done[0m
 [2mmachine # [    0.196117] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)[0m
 [2mmachine # [    0.197315] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)[0m
 [2mmachine # [    0.201167] Fallback order for Node 0: 0[0m
 [2mmachine # [    0.201578] Built 1 zonelists, mobility grouping on.  Total pages: 786297[0m
 [2mmachine # [    0.201605] Policy zone: DMA32[0m
 [2mmachine # [    0.203802] mem auto-init: stack:all(zero), heap alloc:on, heap free:off[0m
 [2mmachine # [    0.301630] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1[0m
 [2mmachine # [    0.308791] allocated 6291456 bytes of page_ext[0m
 [2mmachine # [    0.312272] ftrace: allocating 46233 entries in 181 pages[0m
 [2mmachine # [    0.361720] ftrace: allocated 181 pages with 5 groups[0m
 [2mmachine # [    0.376666] Dynamic Preempt: voluntary[0m
 [2mmachine # [    0.382581] rcu: Preemptible hierarchical RCU implementation.[0m
 [2mmachine # [    0.382596] rcu: 	RCU event tracing is enabled.[0m
 [2mmachine # [    0.382627] rcu: 	RCU restricting CPUs from NR_CPUS=384 to nr_cpu_ids=2.[0m
 [2mmachine # [    0.382810] 	Trampoline variant of Tasks RCU enabled.[0m
 [2mmachine # [    0.382822] 	Rude variant of Tasks RCU enabled.[0m
 [2mmachine # [    0.382832] 	Tracing variant of Tasks RCU enabled.[0m
 [2mmachine # [    0.382981] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.[0m
 [2mmachine # [    0.383021] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2[0m
 [2mmachine # [    0.384696] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.[0m
 [2mmachine # [    0.384727] RCU Tasks Rude: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.[0m
 [2mmachine # [    0.384744] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.[0m
 [2mmachine # [    0.438623] NR_IRQS: 24832, nr_irqs: 440, preallocated irqs: 16[0m
 [2mmachine # [    0.452234] rcu: srcu_init: Setting srcu_struct sizes based on contention.[0m
 [2mmachine # [    0.458800] kfence: initialized - using 2097152 bytes for 255 objects at 0x(____ptrval____)-0x(____ptrval____)[0m
 [2mmachine # [    0.463810] Console: colour *CGA 80x25[0m
 [2mmachine # [    0.464376] printk: legacy console [tty0] enabled[0m
 [2mmachine # [    0.471248] printk: legacy console [ttyS0] enabled[0m
 [2mmachine # [    0.486807] ACPI: Core revision 20240827[0m
 [2mmachine # [    0.495402] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns[0m
 [2mmachine # [    0.502934] APIC: Switch to symmetric I/O mode setup[0m
 [2mmachine # [    0.504692] x2apic: IRQ remapping doesn't support X2APIC mode[0m
 [2mmachine # [    0.511649] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1[0m
 [2mmachine # [    0.517568] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fd3c27e9e4, max_idle_ns: 440795236185 ns[0m
 [2mmachine # [    0.518647] Calibrating delay loop (skipped), value calculated using timer frequency.. 4416.02 BogoMIPS (lpj=2208011)[0m
 [2mmachine # [    0.522859] x86/cpu: User Mode Instruction Prevention (UMIP) activated[0m
 [2mmachine # [    0.537587] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0[0m
 [2mmachine # [    0.538072] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0[0m
 [2mmachine # [    0.540510] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization[0m
 [2mmachine # [    0.542114] Spectre V2 : Mitigation: Retpolines[0m
 [2mmachine # [    0.542303] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT[0m
 [2mmachine # [    0.542667] Speculative Store Bypass: Vulnerable[0m
 [2mmachine # [    0.549185] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'[0m
 [2mmachine # [    0.553509] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'[0m
 [2mmachine # [    0.553715] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'[0m
 [2mmachine # [    0.554074] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'[0m
 [2mmachine # [    0.554313] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'[0m
 [2mmachine # [    0.554649] x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers'[0m
 [2mmachine # [    0.555232] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256[0m
 [2mmachine # [    0.555548] x86/fpu: xstate_offset[3]:  960, xstate_sizes[3]:   64[0m
 [2mmachine # [    0.555706] x86/fpu: xstate_offset[4]: 1024, xstate_sizes[4]:   64[0m
 [2mmachine # [    0.555895] x86/fpu: xstate_offset[9]: 2688, xstate_sizes[9]:    8[0m
 [2mmachine # [    0.556233] x86/fpu: Enabled xstate features 0x21f, context size is 2696 bytes, using 'standard' format.[0m
 [2mmachine # [    0.768916] Freeing SMP alternatives memory: 40K[0m
 [2mmachine # [    0.770624] pid_max: default: 32768 minimum: 301[0m
 [2mmachine # [    0.780433] LSM: initializing lsm=capability,landlock,yama,bpf[0m
 [2mmachine # [    0.784325] landlock: Up and running.[0m
 [2mmachine # [    0.784450] Yama: becoming mindful.[0m
 [2mmachine # [    0.786812] LSM support for eBPF active[0m
 [2mmachine # [    0.795078] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)[0m
 [2mmachine # [    0.795833] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)[0m
 [2mmachine # [    0.961021] smpboot: CPU0: AMD QEMU TCG CPU version 2.5+ (family: 0x6, model: 0x6, stepping: 0x3)[0m
 [2mmachine # [    0.981498] Performance Events: PMU not available due to virtualization, using software events only.[0m
 [2mmachine # [    0.985686] signal: max sigframe size: 3632[0m
 [2mmachine # [    0.988497] rcu: Hierarchical SRCU implementation.[0m
 [2mmachine # [    0.988740] rcu: 	Max phase no-delay instances is 400.[0m
 [2mmachine # [    0.992746] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level[0m
 [2mmachine # [    1.002732] NMI watchdog: Perf NMI watchdog permanently disabled[0m
 [2mmachine # [    1.005917] smp: Bringing up secondary CPUs ...[0m
 [2mmachine # [    1.014649] smpboot: x86: Booting SMP configuration:[0m
 [2mmachine # [    1.014863] .... node  #0, CPUs:      #1[0m
 [2mmachine # [    1.102174] smp: Brought up 1 node, 2 CPUs[0m
 [2mmachine # [    1.102755] smpboot: Total of 2 processors activated (8824.53 BogoMIPS)[0m
 [2mmachine # [    1.115990] Memory: 3013904K/3145188K available (16384K kernel code, 2646K rwdata, 12592K rodata, 3416K init, 3348K bss, 118704K reserved, 0K cma-reserved)[0m
 [2mmachine # [    1.132105] devtmpfs: initialized[0m
 [2mmachine # [    1.139378] x86/mm: Memory block size: 128MB[0m
 [2mmachine # [    1.159757] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns[0m
 [2mmachine # [    1.161207] futex hash table entries: 512 (order: 3, 32768 bytes, linear)[0m
 [2mmachine # [    1.165976] pinctrl core: initialized pinctrl subsystem[0m
 [2mmachine # [    1.178558] PM: RTC time: 14:26:24, date: 2026-08-27[0m
 [2mmachine # [    1.205921] NET: Registered PF_NETLINK/PF_ROUTE protocol family[0m
 [2mmachine # [    1.213936] DMA: preallocated 512 KiB GFP_KERNEL pool for atomic allocations[0m
 [2mmachine # [    1.216271] DMA: preallocated 512 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations[0m
 [2mmachine # [    1.217805] DMA: preallocated 512 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations[0m
 [2mmachine # [    1.218442] audit: initializing netlink subsys (disabled)[0m
 [2mmachine # [    1.223119] audit: type=2000 audit(1787840784.720:1): state=initialized audit_enabled=0 res=1[0m
 [2mmachine # [    1.230257] thermal_sys: Registered thermal governor 'bang_bang'[0m
 [2mmachine # [    1.230332] thermal_sys: Registered thermal governor 'step_wise'[0m
 [2mmachine # [    1.230492] thermal_sys: Registered thermal governor 'user_space'[0m
 [2mmachine # [    1.232247] cpuidle: using governor menu[0m
 [2mmachine # [    1.236580] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5[0m
 [2mmachine # [    1.241344] PCI: Using configuration type 1 for base access[0m
 [2mmachine # [    1.243171] mtrr: your CPUs had inconsistent fixed MTRR settings[0m
 [2mmachine # [    1.243345] mtrr: your CPUs had inconsistent variable MTRR settings[0m
 [2mmachine # [    1.243514] mtrr: your CPUs had inconsistent MTRRdefType settings[0m
 [2mmachine # [    1.243752] mtrr: probably your BIOS does not setup all CPUs.[0m
 [2mmachine # [    1.243896] mtrr: corrected configuration.[0m
 [2mmachine # [    1.248692] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible.[0m
 [2mmachine # [    1.259184] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages[0m
 [2mmachine # [    1.259401] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page[0m
 [2mmachine # [    1.259611] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages[0m
 [2mmachine # [    1.259755] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page[0m
 [2mmachine # [    1.359873] ACPI: Added _OSI(Module Device)[0m
 [2mmachine # [    1.360083] ACPI: Added _OSI(Processor Device)[0m
 [2mmachine # [    1.360208] ACPI: Added _OSI(Processor Aggregator Device)[0m
 [2mmachine # [    1.399272] ACPI: 1 ACPI AML tables successfully acquired and loaded[0m
 [2mmachine # [    1.432402] ACPI: Interpreter enabled[0m
 [2mmachine # [    1.434514] ACPI: PM: (supports S0 S3 S4 S5)[0m
 [2mmachine # [    1.434709] ACPI: Using IOAPIC for interrupt routing[0m
 [2mmachine # [    1.435720] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug[0m
 [2mmachine # [    1.435980] PCI: Using E820 reservations for host bridge windows[0m
 [2mmachine # [    1.439176] ACPI: Enabled 2 GPEs in block 00 to 0F[0m
 [2mmachine # [    1.550480] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])[0m
 [2mmachine # [    1.551799] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3][0m
 [2mmachine # [    1.552272] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI][0m
 [2mmachine # [    1.553788] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge[0m
 [2mmachine # [    1.562459] acpiphp: Slot [2] registered[0m
 [2mmachine # [    1.562938] acpiphp: Slot [3] registered[0m
 [2mmachine # [    1.563262] acpiphp: Slot [4] registered[0m
 [2mmachine # [    1.563545] acpiphp: Slot [5] registered[0m
 [2mmachine # [    1.563799] acpiphp: Slot [6] registered[0m
 [2mmachine # [    1.564242] acpiphp: Slot [7] registered[0m
 [2mmachine # [    1.564516] acpiphp: Slot [8] registered[0m
 [2mmachine # [    1.564788] acpiphp: Slot [9] registered[0m
 [2mmachine # [    1.565185] acpiphp: Slot [11] registered[0m
 [2mmachine # [    1.565499] acpiphp: Slot [12] registered[0m
 [2mmachine # [    1.565774] acpiphp: Slot [13] registered[0m
 [2mmachine # [    1.566120] acpiphp: Slot [14] registered[0m
 [2mmachine # [    1.566402] acpiphp: Slot [15] registered[0m
 [2mmachine # [    1.566703] acpiphp: Slot [16] registered[0m
 [2mmachine # [    1.566963] acpiphp: Slot [17] registered[0m
 [2mmachine # [    1.567308] acpiphp: Slot [18] registered[0m
 [2mmachine # [    1.567580] acpiphp: Slot [19] registered[0m
 [2mmachine # [    1.567878] acpiphp: Slot [20] registered[0m
 [2mmachine # [    1.568214] acpiphp: Slot [21] registered[0m
 [2mmachine # [    1.568491] acpiphp: Slot [22] registered[0m
 [2mmachine # [    1.568802] acpiphp: Slot [23] registered[0m
 [2mmachine # [    1.569147] acpiphp: Slot [24] registered[0m
 [2mmachine # [    1.569437] acpiphp: Slot [25] registered[0m
 [2mmachine # [    1.569721] acpiphp: Slot [26] registered[0m
 [2mmachine # [    1.570083] acpiphp: Slot [27] registered[0m
 [2mmachine # [    1.570370] acpiphp: Slot [28] registered[0m
 [2mmachine # [    1.570650] acpiphp: Slot [29] registered[0m
 [2mmachine # [    1.570918] acpiphp: Slot [30] registered[0m
 [2mmachine # [    1.571266] acpiphp: Slot [31] registered[0m
 [2mmachine # [    1.571890] PCI host bridge to bus 0000:00[0m
 [2mmachine # [    1.572493] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window][0m
 [2mmachine # [    1.572820] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window][0m
 [2mmachine # [    1.573051] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window][0m
 [2mmachine # [    1.573321] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window][0m
 [2mmachine # [    1.573513] pci_bus 0000:00: root bus resource [mem 0x100000000-0x17fffffff window][0m
 [2mmachine # [    1.573965] pci_bus 0000:00: root bus resource [bus 00-ff][0m
 [2mmachine # [    1.576251] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint[0m
 [2mmachine # [    1.583494] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 conventional PCI endpoint[0m
 [2mmachine # [    1.584800] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 conventional PCI endpoint[0m
 [2mmachine # [    1.590287] pci 0000:00:01.1: BAR 4 [io  0xc1e0-0xc1ef][0m
 [2mmachine # [    1.594245] pci 0000:00:01.1: BAR 0 [io  0x01f0-0x01f7]: legacy IDE quirk[0m
 [2mmachine # [    1.594606] pci 0000:00:01.1: BAR 1 [io  0x03f6]: legacy IDE quirk[0m
 [2mmachine # [    1.594606] pci 0000:00:01.1: BAR 2 [io  0x0170-0x0177]: legacy IDE quirk[0m
 [2mmachine # [    1.594695] pci 0000:00:01.1: BAR 3 [io  0x0376]: legacy IDE quirk[0m
 [2mmachine # [    1.597495] pci 0000:00:01.2: [8086:7020] type 00 class 0x0c0300 conventional PCI endpoint[0m
 [2mmachine # [    1.602803] pci 0000:00:01.2: BAR 4 [io  0xc100-0xc11f][0m
 [2mmachine # [    1.615802] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint[0m
 [2mmachine # [    1.616683] pci 0000:00:01.3: quirk: [io  0x0600-0x063f] claimed by PIIX4 ACPI[0m
 [2mmachine # [    1.617065] pci 0000:00:01.3: quirk: [io  0x0700-0x070f] claimed by PIIX4 SMB[0m
 [2mmachine # [    1.618536] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint[0m
 [2mmachine # [    1.621094] pci 0000:00:02.0: BAR 0 [io  0xc120-0xc13f][0m
 [2mmachine # [    1.623084] pci 0000:00:02.0: BAR 1 [mem 0xfebc0000-0xfebc0fff][0m
 [2mmachine # [    1.628912] pci 0000:00:02.0: BAR 4 [mem 0xfebd4000-0xfebd7fff 64bit pref][0m
 [2mmachine # [    1.632105] pci 0000:00:02.0: ROM [mem 0xfeb40000-0xfeb7ffff pref][0m
 [2mmachine # [    1.640674] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint[0m
 [2mmachine # [    1.643070] pci 0000:00:03.0: BAR 0 [io  0xc140-0xc15f][0m
 [2mmachine # [    1.645092] pci 0000:00:03.0: BAR 1 [mem 0xfebc1000-0xfebc1fff][0m
 [2mmachine # [    1.652111] pci 0000:00:03.0: BAR 4 [mem 0xfebd8000-0xfebdbfff 64bit pref][0m
 [2mmachine # [    1.663464] pci 0000:00:04.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint[0m
 [2mmachine # [    1.666072] pci 0000:00:04.0: BAR 0 [io  0xc080-0xc0bf][0m
 [2mmachine # [    1.668070] pci 0000:00:04.0: BAR 1 [mem 0xfebc2000-0xfebc2fff][0m
 [2mmachine # [    1.673106] pci 0000:00:04.0: BAR 4 [mem 0xfebdc000-0xfebdffff 64bit pref][0m
 [2mmachine # [    1.685512] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint[0m
 [2mmachine # [    1.688098] pci 0000:00:05.0: BAR 0 [io  0xc160-0xc17f][0m
 [2mmachine # [    1.690070] pci 0000:00:05.0: BAR 1 [mem 0xfebc3000-0xfebc3fff][0m
 [2mmachine # [    1.694787] pci 0000:00:05.0: BAR 4 [mem 0xfebe0000-0xfebe3fff 64bit pref][0m
 [2mmachine # [    1.703958] pci 0000:00:06.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint[0m
 [2mmachine # [    1.705021] pci 0000:00:06.0: BAR 0 [io  0xc180-0xc19f][0m
 [2mmachine # [    1.708070] pci 0000:00:06.0: BAR 1 [mem 0xfebc4000-0xfebc4fff][0m
 [2mmachine # [    1.713107] pci 0000:00:06.0: BAR 4 [mem 0xfebe4000-0xfebe7fff 64bit pref][0m
 [2mmachine # [    1.724002] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000 conventional PCI endpoint[0m
 [2mmachine # [    1.727071] pci 0000:00:07.0: BAR 0 [io  0xc000-0xc07f][0m
 [2mmachine # [    1.729072] pci 0000:00:07.0: BAR 1 [mem 0xfebc5000-0xfebc5fff][0m
 [2mmachine # [    1.733747] pci 0000:00:07.0: BAR 4 [mem 0xfebe8000-0xfebebfff 64bit pref][0m
 [2mmachine # [    1.744919] pci 0000:00:08.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint[0m
 [2mmachine # [    1.748082] pci 0000:00:08.0: BAR 0 [io  0xc1a0-0xc1bf][0m
 [2mmachine # [    1.750070] pci 0000:00:08.0: BAR 1 [mem 0xfebc6000-0xfebc6fff][0m
 [2mmachine # [    1.754074] pci 0000:00:08.0: BAR 4 [mem 0xfebec000-0xfebeffff 64bit pref][0m
 [2mmachine # [    1.757068] pci 0000:00:08.0: ROM [mem 0xfeb80000-0xfebbffff pref][0m
 [2mmachine # [    1.767773] pci 0000:00:09.0: [1af4:1052] type 00 class 0x090000 conventional PCI endpoint[0m
 [2mmachine # [    1.770083] pci 0000:00:09.0: BAR 1 [mem 0xfebc7000-0xfebc7fff][0m
 [2mmachine # [    1.777135] pci 0000:00:09.0: BAR 4 [mem 0xfebf0000-0xfebf3fff 64bit pref][0m
 [2mmachine # [    1.789927] pci 0000:00:0a.0: [1af4:1050] type 00 class 0x038000 conventional PCI endpoint[0m
 [2mmachine # [    1.794152] pci 0000:00:0a.0: BAR 1 [mem 0xfebc8000-0xfebc8fff][0m
 [2mmachine # [    1.799021] pci 0000:00:0a.0: BAR 4 [mem 0xfebf4000-0xfebf7fff 64bit pref][0m
 [2mmachine # [    1.801376] pci 0000:00:0b.0: [1af4:1003] type 00 class 0x078000 conventional PCI endpoint[0m
 [2mmachine # [    1.803993] pci 0000:00:0b.0: BAR 0 [io  0xc0c0-0xc0ff][0m
 [2mmachine # [    1.805021] pci 0000:00:0b.0: BAR 1 [mem 0xfebc9000-0xfebc9fff][0m
 [2mmachine # [    1.806079] pci 0000:00:0b.0: BAR 4 [mem 0xfebf8000-0xfebfbfff 64bit pref][0m
 [2mmachine # [    1.818740] pci 0000:00:0c.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint[0m
 [2mmachine # [    1.820021] pci 0000:00:0c.0: BAR 0 [io  0xc1c0-0xc1df][0m
 [2mmachine # [    1.821848] pci 0000:00:0c.0: BAR 1 [mem 0xfebca000-0xfebcafff][0m
 [2mmachine # [    1.830064] pci 0000:00:0c.0: BAR 4 [mem 0xfebfc000-0xfebfffff 64bit pref][0m
 [2mmachine # [    1.848721] ACPI: PCI: Interrupt link LNKA configured for IRQ 10[0m
 [2mmachine # [    1.851146] ACPI: PCI: Interrupt link LNKB configured for IRQ 10[0m
 [2mmachine # [    1.852780] ACPI: PCI: Interrupt link LNKC configured for IRQ 11[0m
 [2mmachine # [    1.854275] ACPI: PCI: Interrupt link LNKD configured for IRQ 11[0m
 [2mmachine # [    1.854930] ACPI: PCI: Interrupt link LNKS configured for IRQ 9[0m
 [2mmachine # [    1.862452] iommu: Default domain type: Translated[0m
 [2mmachine # [    1.862661] iommu: DMA domain TLB invalidation policy: lazy mode[0m
 [2mmachine # [    1.863956] ACPI: bus type USB registered[0m
 [2mmachine # [    1.865231] usbcore: registered new interface driver usbfs[0m
 [2mmachine # [    1.865991] usbcore: registered new interface driver hub[0m
 [2mmachine # [    1.866429] usbcore: registered new device driver usb[0m
 [2mmachine # [    1.886756] NetLabel: Initializing[0m
 [2mmachine # [    1.886933] NetLabel:  domain hash size = 128[0m
 [2mmachine # [    1.887064] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO[0m
 [2mmachine # [    1.888742] NetLabel:  unlabeled traffic allowed by default[0m
 [2mmachine # [    1.888949] PCI: Using ACPI for IRQ routing[0m
 [2mmachine # [    1.899573] vgaarb: loaded[0m
 [2mmachine # [    1.900688] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0[0m
 [2mmachine # [    1.900917] hpet0: 3 comparators, 64-bit 100.000000 MHz counter[0m
 [2mmachine # [    1.911567] clocksource: Switched to clocksource tsc-early[0m
 [2mmachine # [    1.917708] VFS: Disk quotas dquot_6.6.0[0m
 [2mmachine # [    1.918204] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)[0m
 [2mmachine # [    1.923017] pnp: PnP ACPI init[0m
 [2mmachine # [    1.932033] pnp: PnP ACPI: found 6 devices[0m
 [2mmachine # [    1.985374] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns[0m
 [2mmachine # [    1.986030] clocksource: Switched to clocksource acpi_pm[0m
 [2mmachine # [    1.988014] NET: Registered PF_INET protocol family[0m
 [2mmachine # [    1.991851] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)[0m
 [2mmachine # [    2.096809] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear)[0m
 [2mmachine # [    2.097790] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)[0m
 [2mmachine # [    2.098768] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)[0m
 [2mmachine # [    2.101918] TCP bind hash table entries: 32768 (order: 8, 1048576 bytes, linear)[0m
 [2mmachine # [    2.102949] TCP: Hash tables configured (established 32768 bind 32768)[0m
 [2mmachine # [    2.106021] MPTCP token hash table entries: 4096 (order: 5, 98304 bytes, linear)[0m
 [2mmachine # [    2.106932] UDP hash table entries: 2048 (order: 4, 65536 bytes, linear)[0m
 [2mmachine # [    2.107757] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes, linear)[0m
 [2mmachine # [    2.110610] NET: Registered PF_UNIX/PF_LOCAL protocol family[0m
 [2mmachine # [    2.111574] NET: Registered PF_XDP protocol family[0m
 [2mmachine # [    2.113073] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window][0m
 [2mmachine # [    2.113319] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window][0m
 [2mmachine # [    2.113487] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window][0m
 [2mmachine # [    2.113671] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window][0m
 [2mmachine # [    2.113850] pci_bus 0000:00: resource 8 [mem 0x100000000-0x17fffffff window][0m
 [2mmachine # [    2.115173] pci 0000:00:01.0: PIIX3: Enabling Passive Release[0m
 [2mmachine # [    2.115567] pci 0000:00:00.0: Limiting direct PCI/PCI transfers[0m
 [2mmachine # [    2.133521] ACPI: \_SB_.LNKD: Enabled at IRQ 11[0m
 [2mmachine # [    2.146632] pci 0000:00:01.2: quirk_usb_early_handoff+0x0/0x790 took 30043 usecs[0m
 [2mmachine # [    2.147687] PCI: CLS 0 bytes, default 64[0m
 [2mmachine # [    2.157032] Trying to unpack rootfs image as initramfs...[0m
 [2mmachine # [    2.251031] Initialise system trusted keyrings[0m
 [2mmachine # [    2.254804] workingset: timestamp_bits=40 max_order=20 bucket_order=0[0m
 [2mmachine # [    2.359328] Key type asymmetric registered[0m
 [2mmachine # [    2.359689] Asymmetric key parser 'x509' registered[0m
 [2mmachine # [    2.360453] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)[0m
 [2mmachine # [    2.363320] io scheduler mq-deadline registered[0m
 [2mmachine # [    2.363590] io scheduler kyber registered[0m
 [2mmachine # [    2.377534] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled[0m
 [2mmachine # [    2.388341] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A[0m
 [2mmachine # [    2.405610] Linux agpgart interface v0.103[0m
 [2mmachine # [    2.406512] ACPI: bus type drm_connector registered[0m
 [2mmachine # [    2.418668] usbcore: registered new interface driver usbserial_generic[0m
 [2mmachine # [    2.419573] usbserial: USB Serial support registered for generic[0m
 [2mmachine # [    2.420030] amd_pstate: the _CPC object is not present in SBIOS or ACPI disabled[0m
 [2mmachine # [    2.422261] drop_monitor: Initializing network drop monitor service[0m
 [2mmachine # [    2.424498] NET: Registered PF_INET6 protocol family[0m
 [2mmachine # [    3.158724] tsc: Refined TSC clocksource calibration: 2207.988 MHz[0m
 [2mmachine # [    3.159856] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fd3acfaa6e, max_idle_ns: 440795317221 ns[0m
 [2mmachine # [    3.210413] Freeing initrd memory: 12300K[0m
 [2mmachine # [    3.228522] Segment Routing with IPv6[0m
 [2mmachine # [    3.229394] In-situ OAM (IOAM) with IPv6[0m
 [2mmachine # [    3.236249] IPI shorthand broadcast: enabled[0m
 [2mmachine # [    3.269419] sched_clock: Marking stable (3220096885, 49074976)->(3320552574, -51380713)[0m
 [2mmachine # [    3.275110] registered taskstats version 1[0m
 [2mmachine # [    3.279006] Loading compiled-in X.509 certificates[0m
 [2mmachine # [    3.331186] Demotion targets for Node 0: null[0m
 [2mmachine # [    3.333423] Key type .fscrypt registered[0m
 [2mmachine # [    3.333617] Key type fscrypt-provisioning registered[0m
 [2mmachine # [    3.341861] PM:   Magic number: 6:900:435[0m
 [2mmachine # [    3.349354] RAS: Correctable Errors collector initialized.[0m
 [2mmachine # [    3.378888] clk: Disabling unused clocks[0m
 [2mmachine # [    3.379703] PM: genpd: Disabling unused power domains[0m
 [2mmachine # [    3.436028] Freeing unused decrypted memory: 2028K[0m
 [2mmachine # [    3.548017] Freeing unused kernel image (initmem) memory: 3416K[0m
 [2mmachine # [    3.548606] Write protecting the kernel read-only data: 30720k[0m
 [2mmachine # [    3.552792] Freeing unused kernel image (rodata/data gap) memory: 1744K[0m
 [2mmachine # [    3.767470] x86/mm: Checked W+X mappings: passed, no W+X pages found.[0m
 [2mmachine # [    3.768461] Run /init as init process[0m
 [2mmachine # [    4.711348] device-mapper: ioctl: 4.48.0-ioctl (2023-03-01) initialised: dm-devel@lists.linux.dev[0m
 [2mmachine # [    6.999652] ACPI: \_SB_.LNKB: Enabled at IRQ 10[0m
 [2mmachine # [    7.140861] uhci_hcd 0000:00:01.2: UHCI Host Controller[0m
 [2mmachine # [    7.142722] ACPI: \_SB_.LNKC: Enabled at IRQ 11[0m
 [2mmachine # [    7.149958] uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1[0m
 [2mmachine # [    7.151455] uhci_hcd 0000:00:01.2: detected 2 ports[0m
 [2mmachine # [    7.159449] uhci_hcd 0000:00:01.2: irq 11, io port 0x0000c100[0m
 [2mmachine # [    7.199787] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001, bcdDevice= 6.12[0m
 [2mmachine # [    7.200129] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1[0m
 [2mmachine # [    7.200553] usb usb1: Product: UHCI Host Controller[0m
 [2mmachine # [    7.200795] usb usb1: Manufacturer: Linux 6.12.82 uhci_hcd[0m
 [2mmachine # [    7.201028] usb usb1: SerialNumber: 0000:00:01.2[0m
 [2mmachine # [    7.244734] hub 1-0:1.0: USB hub found[0m
 [2mmachine # [    7.264566] hub 1-0:1.0: 2 ports detected[0m
 [2mmachine # [    7.288940] SCSI subsystem initialized[0m
 [2mmachine # [    7.351019] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12[0m
 [2mmachine # [    7.373256] serio: i8042 KBD port at 0x60,0x64 irq 1[0m
 [2mmachine # [    7.374206] serio: i8042 AUX port at 0x60,0x64 irq 12[0m
 [2mmachine # [    7.405823] ACPI: \_SB_.LNKA: Enabled at IRQ 10[0m
 [2mmachine # [    7.524509] usb 1-1: new full-speed USB device number 2 using uhci_hcd[0m
 [2mmachine # [    7.669805] scsi host0: ata_piix[0m
 [2mmachine # [    7.688462] scsi host1: ata_piix[0m
 [2mmachine # [    7.691325] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc1e0 irq 14 lpm-pol 0[0m
 [2mmachine # [    7.691923] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc1e8 irq 15 lpm-pol 0[0m
 [2mmachine # [    7.710562] usb 1-1: New USB device found, idVendor=0627, idProduct=0001, bcdDevice= 0.00[0m
 [2mmachine # [    7.710900] usb 1-1: New USB device strings: Mfr=1, Product=3, SerialNumber=10[0m
 [2mmachine # [    7.711336] usb 1-1: Product: QEMU USB Tablet[0m
 [2mmachine # [    7.711517] usb 1-1: Manufacturer: QEMU[0m
 [2mmachine # [    7.711679] usb 1-1: SerialNumber: 28754-0000:00:01.2-1[0m
 [2mmachine # [    7.727713] [drm] pci: virtio-gpu-pci detected at 0000:00:0a.0[0m
 [2mmachine # [    7.729321] [drm] features: -virgl +edid -resource_blob -host_visible[0m
 [2mmachine # [    7.729388] [drm] features: -context_init[0m
 [2mmachine # [    7.733011] [drm] number of scanouts: 1[0m
 [2mmachine # [    7.733382] [drm] number of cap sets: 0[0m
 [2mmachine # [    7.792735] [drm] Initialized virtio_gpu 0.1.0 for 0000:00:0a.0 on minor 0[0m
 [2mmachine # [    7.858973] ata2: found unknown device (class 0)[0m
 [2mmachine # [    7.870284] ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100[0m
 [2mmachine # [    7.909838] scsi 1:0:0:0: CD-ROM            QEMU     QEMU DVD-ROM     2.5+ PQ: 0 ANSI: 5[0m
 [2mmachine # [    8.213018] Console: switching to colour frame buffer device 160x50[0m
 [2mmachine # [    8.232514] virtio-pci 0000:00:0a.0: [drm] fb0: virtio_gpudrmfb frame buffer device[0m
 [2mmachine # [    9.331782] virtio_blk virtio5: 2/0/0 default/read/poll queues[0m
 [2mmachine # [    9.411630] virtio_blk virtio5: [vda] 2097152 512-byte logical blocks (1.07 GB/1.00 GiB)[0m
 [2mmachine # [    9.534533] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0[0m
 [2mmachine # [    9.953231] netfs: FS-Cache loaded[0m
 [2mmachine # [    9.968902] sr 1:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray[0m
 [2mmachine # [    9.969963] cdrom: Uniform CD-ROM driver Revision: 3.20[0m
 [2mmachine # [   10.032927] 9pnet: Installing 9P2000 support[0m
 [2mmachine # [   10.105071] hid: raw HID events driver (C) Jiri Kosina[0m
 [2mmachine # [   10.248677] usbcore: registered new interface driver usbhid[0m
 [2mmachine # [   10.249107] usbhid: USB HID core driver[0m
 [2mmachine # [   10.315835] input: QEMU QEMU USB Tablet as /devices/pci0000:00/0000:00:01.2/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input2[0m
 [2mmachine # [   10.320606] hid-generic 0003:0627:0001.0001: input,hidraw0: USB HID v0.01 Mouse [QEMU QEMU USB Tablet] on usb-0000:00:01.2-1/input0[0m
 [2mmachine # [   12.007916] EXT4-fs (vda): mounted filesystem fcdcae98-59a9-4280-bb4a-2b34d121fee8 r/w with ordered data mode. Quota mode: none.[0m
 [2mmachine # [   12.226429] 9p: Installing v9fs 9p2000 file system support[0m
 [2mmachine # [   15.509008] EXT4-fs (vda): re-mounted fcdcae98-59a9-4280-bb4a-2b34d121fee8.[0m
 [2mmachine # [   15.539087] booting system configuration /nix/store/8vbbm5bzbsvmigy4hfzqpvj34vf3qv72-nixos-system-machine-test[0m
 machine: Guest root shell did not produce any data yet...
 machine:   To debug, enter the VM and run 'systemctl status backdoor.service'.
 [2mmachine # [   28.416278] systemd[1]: Inserted module 'autofs4'[0m
 [2mmachine # [   28.486491] NET: Registered PF_VSOCK protocol family[0m
 [2mmachine # [   28.630552] fuse: init (API version 7.41)[0m
 [2mmachine # [   28.920816] systemd[1]: systemd 258.5 running in system mode (+PAM +AUDIT -SELINUX +APPARMOR +IMA +IPE +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN -IPTC +KMOD +LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK -BTF -XKBCOMMON +UTMP -SYSVINIT +LIBARCHIVE)[0m
 [2mmachine # [   28.932321] systemd[1]: Detected virtualization qemu.[0m
 [2mmachine # [   28.937347] systemd[1]: Detected architecture x86-64.[0m
 [2mmachine # [   28.943290] systemd[1]: Detected first boot.[0m
 [2mmachine # [   28.998606] systemd[1]: Initializing machine ID from random generator.[0m
 [2mmachine # [   29.041703] systemd[1]: Hostname set to <machine>.[0m
 [2mmachine # [   30.963470] systemd[1]: bpf-restrict-fs: LSM BPF program attached[0m
 [2mmachine # [   32.251028] systemd[1]: Applying preset policy.[0m
 [2mmachine # [   34.552340] systemd[1]: Populated /etc with preset unit settings.[0m
 [2mmachine # [   36.828005] systemd[1]: Queued start job for default target Multi-User System.[0m
 [2mmachine # [   37.052753] systemd[1]: Created slice Slice /system/getty.[0m
 [2mmachine # [   37.071872] systemd[1]: Created slice Slice /system/modprobe.[0m
 [2mmachine # [   37.087453] systemd[1]: Created slice User and Session Slice.[0m
 [2mmachine # [   37.098511] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.[0m
 [2mmachine # [   37.104346] systemd[1]: Started Forward Password Requests to Wall Directory Watch.[0m
 [2mmachine # [   37.111544] systemd[1]: Expecting device /dev/hvc0...[0m
 [2mmachine # [   37.116613] systemd[1]: Expecting device /dev/ttyS0...[0m
 [2mmachine # [   37.120759] systemd[1]: Expecting device /sys/subsystem/net/devices/eth1...[0m
 [2mmachine # [   37.125740] systemd[1]: Reached target Local Encrypted Volumes.[0m
 [2mmachine # [   37.130941] systemd[1]: Reached target Virtual Machines and Containers.[0m
 [2mmachine # [   37.135818] systemd[1]: Reached target Path Units.[0m
 [2mmachine # [   37.140284] systemd[1]: Reached target Remote File Systems.[0m
 [2mmachine # [   37.144577] systemd[1]: Reached target Slice Units.[0m
 [2mmachine # [   37.148926] systemd[1]: Reached target Swaps.[0m
 [2mmachine # [   37.186899] systemd[1]: Listening on Process Core Dump Socket.[0m
 [2mmachine # [   37.210513] systemd[1]: Listening on Credential Encryption/Decryption.[0m
 [2mmachine # [   37.223555] systemd[1]: Listening on Journal Audit Socket.[0m
 [2mmachine # [   37.231573] systemd[1]: Listening on Journal Socket (/dev/log).[0m
 [2mmachine # [   37.237412] systemd[1]: Listening on Journal Sockets.[0m
 [2mmachine # [   37.245948] systemd[1]: Listening on Userspace Out-Of-Memory (OOM) Killer Socket.[0m
 [2mmachine # [   37.250779] systemd[1]: Make TPM PCR Policy skipped, unmet condition check ConditionSecurity=measured-uki[0m
 [2mmachine # [   37.256634] systemd[1]: Listening on udev Control Socket.[0m
 [2mmachine # [   37.262050] systemd[1]: Listening on udev Kernel Socket.[0m
 [2mmachine # [   37.319826] systemd[1]: Mounting Huge Pages File System...[0m
 [2mmachine # [   37.351899] systemd[1]: Mounting POSIX Message Queue File System...[0m
 [2mmachine # [   37.414840] systemd[1]: Mounting Kernel Debug File System...[0m
 [2mmachine # [   37.487863] systemd[1]: Mounting Kernel Trace File System...[0m
 [2mmachine # [   37.644804] systemd[1]: Starting Create List of Static Device Nodes...[0m
 [2mmachine # [   37.671623] systemd[1]: Load Kernel Module 9pnet_virtio skipped, unmet condition check ConditionKernelModuleLoaded=!9pnet_virtio[0m
 [2mmachine # [   37.839430] systemd[1]: Starting Load Kernel Module configfs...[0m
 [2mmachine # [   37.855482] systemd[1]: Load Kernel Module drm skipped, unmet condition check ConditionKernelModuleLoaded=!drm[0m
 [2mmachine # [   37.944009] systemd[1]: Starting Load Kernel Module efi_pstore...[0m
 [2mmachine # [   37.952897] systemd[1]: Load Kernel Module fuse skipped, unmet condition check ConditionKernelModuleLoaded=!fuse[0m
 [2mmachine # [   38.000049] systemd[1]: Mounting FUSE Control File System...[0m
 [2mmachine # [   38.011826] systemd[1]: File System Check on Root Device skipped, unmet condition check ConditionPathIsReadWrite=!/[0m
 [2mmachine # [   38.029026] systemd[1]: Clear Stale Hibernate Storage Info skipped, unmet condition check ConditionPathExists=/sys/firmware/efi/efivars/HibernateLocation-8cf2644b-4b0b-428f-9387-6d876050dc67[0m
 [2mmachine # [   38.136626] systemd[1]: Starting Journal Service...[0m
 [2mmachine # [   38.206634] systemd[1]: Starting Load Kernel Modules...[0m
 [2mmachine # [   38.304801] systemd[1]: Starting Userspace Out-Of-Memory (OOM) Killer...[0m
 [2mmachine # [   38.378990] systemd[1]: Starting Remount Root and Kernel File Systems...[0m
 [2mmachine # [   38.386461] systemd[1]: Early TPM SRK Setup skipped, unmet condition check ConditionSecurity=measured-uki[0m
 [2mmachine # [   38.426884] systemd[1]: Starting Coldplug All udev Devices...[0m
 [2mmachine # [   38.522108] systemd[1]: Mounted Huge Pages File System.[0m
 [2mmachine # [   38.534849] systemd[1]: Mounted POSIX Message Queue File System.[0m
 [2mmachine # [   38.543893] systemd[1]: Mounted Kernel Debug File System.[0m
 [2mmachine # [   38.552994] systemd[1]: Mounted Kernel Trace File System.[0m
 [2mmachine # [   38.577435] systemd[1]: Finished Create List of Static Device Nodes.[0m
 [2mmachine # [   38.595487] systemd[1]: Mounted FUSE Control File System.[0m
 [2mmachine # [   38.641462] systemd[1]: Starting Create Static Device Nodes in /dev gracefully...[0m
 [2mmachine # [   38.762920] (modprobe)[430]: modprobe@configfs.service: modprobe@configfs.service: Unable to locate executable 'modprobe': No such file or directory[0m
 [2mmachine # [   38.899852] systemd[1]: modprobe@configfs.service: Deactivated successfully.[0m
 [2mmachine # [   38.919850] systemd[1]: Finished Load Kernel Module configfs.[0m
 [2mmachine # [   38.943490] systemd[1]: Kernel Configuration File System skipped, unmet condition check ConditionPathExists=/sys/kernel/config[0m
 [2mmachine # [   38.957997] (modprobe)[431]: modprobe@efi_pstore.service: modprobe@efi_pstore.service: Unable to locate executable 'modprobe': No such file or directory[0m
 [2mmachine # [   38.996483] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully.[0m
 [2mmachine # [   39.009676] systemd[1]: Finished Load Kernel Module efi_pstore.[0m
 [2mmachine # [   39.605505] EXT4-fs (vda): re-mounted fcdcae98-59a9-4280-bb4a-2b34d121fee8.[0m
 [2mmachine # [   39.732046] systemd[1]: Finished Remount Root and Kernel File Systems.[0m
 [2mmachine # [   39.756800] systemd[1]: Platform Persistent Storage Archival skipped, unmet condition check ConditionDirectoryNotEmpty=/sys/fs/pstore[0m
 [2mmachine # [   39.828803] systemd[1]: Starting Load/Save OS Random Seed...[0m
 [2mmachine # [   39.836987] systemd[1]: TPM SRK Setup skipped, unmet condition check ConditionSecurity=measured-uki[0m
 [2mmachine # [   40.059703] loop: module loaded[0m
 [2mmachine # [   40.154071] systemd[1]: Finished Load Kernel Modules.[0m
 [2mmachine # [   40.216577] systemd[1]: Starting Firewall...[0m
 [2mmachine # [   40.280858] systemd[1]: Starting Apply Kernel Variables...[0m
 [2mmachine # [   40.714808] systemd[1]: Finished Load/Save OS Random Seed.[0m
 [2mmachine # [   40.727867] systemd[1]: Reached target First Boot Complete.[0m
 [2mmachine # [   40.863799] systemd-journald[433]: Collecting audit messages is enabled.[0m
 [2mmachine # [   41.114525] systemd[1]: Finished Create Static Device Nodes in /dev gracefully.[0m
 [2mmachine # [   41.198645] systemd[1]: Starting Create Static Device Nodes in /dev...[0m
 [2mmachine # [   41.902572] systemd[1]: Finished Apply Kernel Variables.[0m
 [2mmachine # [   42.802064] systemd[1]: Started Userspace Out-Of-Memory (OOM) Killer.[0m
 [2mmachine # [   42.939981] systemd[1]: Finished Create Static Device Nodes in /dev.[0m
 [2mmachine # [   42.977066] systemd[1]: Reached target Preparation for Local File Systems.[0m
 [2mmachine # [   43.029760] systemd[1]: Mounting /run/wrappers...[0m
 [2mmachine # [   43.077521] systemd[1]: Starting Rule-based Manager for Device Events and Files...[0m
 [2mmachine # [   43.533030] systemd[1]: Mounted /run/wrappers.[0m
 [2mmachine # [   43.547369] systemd[1]: Reached target Local File Systems.[0m
 [2mmachine # [   43.586300] systemd[1]: Listening on Boot Entries Service Socket.[0m
 [2mmachine # [   43.635606] systemd[1]: Starting Create SUID/SGID Wrappers...[0m
 [2mmachine # [   43.644553] systemd[1]: Update Boot Loader Random Seed skipped, no trigger condition checks were met.[0m
 [2mmachine # [   43.699747] systemd[1]: Starting Save Transient machine-id to Disk...[0m
 [2mmachine # [   44.604420] systemd[1]: etc-machine\x2did.mount: Deactivated successfully.[0m
 [2mmachine # [   44.663494] systemd[1]: Finished Save Transient machine-id to Disk.[0m
 [2mmachine # [   44.929705] systemd[1]: Started Journal Service.[0m
 [2mmachine # [   44.932892] systemd-modules-load[434]: Inserted module 'loop'[0m
 [2mmachine # [   44.983655] systemd-oomd[435]: [0;1;38:5:185mNo swap; memory pressure usage will be degraded[0m[0m
 [2mmachine # [   45.044322] systemd[1]: Starting Flush Journal to Persistent Storage...[0m
 [2mmachine # [   45.190917] systemd-udevd[458]: Using default interface naming scheme 'v258'.[0m
 [2mmachine # [   45.910891] systemd-journald[433]: Received client request to flush runtime journal.[0m
 [2mmachine # [   47.047794] systemd[1]: Finished Flush Journal to Persistent Storage.[0m
 [2mmachine # [   47.077815] systemd[1]: Starting Create System Files and Directories...[0m
 [2mmachine # [   47.939534] systemd[1]: Started Rule-based Manager for Device Events and Files.[0m
 [2mmachine # [   49.326417] systemd[1]: Finished Create System Files and Directories.[0m
 [2mmachine # [   49.379794] systemd[1]: Starting Rebuild Journal Catalog...[0m
 [2mmachine # [   49.427577] systemd[1]: Starting Record System Boot/Shutdown in UTMP...[0m
 [2mmachine # [   50.664898] systemd[1]: Finished Record System Boot/Shutdown in UTMP.[0m
 [2mmachine # [   51.765943] systemd[1]: Finished Rebuild Journal Catalog.[0m
 [2mmachine # [   51.795715] systemd[1]: Starting Update is Completed...[0m
 [2mmachine # [   52.638555] systemd[1]: Finished Update is Completed.[0m
 [2mmachine # [   54.548797] systemd[1]: suid-sgid-wrappers.service: Deactivated successfully.[0m
 [2mmachine # [   54.564798] systemd[1]: Finished Create SUID/SGID Wrappers.[0m
 [2mmachine # [   54.579884] systemd[1]: suid-sgid-wrappers.service: Consumed 2.997s CPU time, 3.3M memory peak.[0m
 [2mmachine # [   54.675562] systemd[1]: Finished Coldplug All udev Devices.[0m
 [2mmachine # [   54.684511] systemd[1]: Reached target System Initialization.[0m
 [2mmachine # [   54.713492] systemd[1]: Started Discard unused filesystem blocks once a week.[0m
 [2mmachine # [   54.738746] systemd[1]: Started Daily Cleanup of Temporary Directories.[0m
 [2mmachine # [   54.754773] systemd[1]: Reached target Timer Units.[0m
 [2mmachine # [   54.766830] systemd[1]: Listening on D-Bus System Message Bus Socket.[0m
 [2mmachine # [   54.773910] systemd[1]: Listening on Nix Daemon Socket.[0m
 [2mmachine # [   54.781805] systemd[1]: Listening on Hostname Service Socket.[0m
 [2mmachine # [   54.794781] systemd[1]: Reached target Socket Units.[0m
 [2mmachine # [   54.803811] systemd[1]: Reached target Basic System.[0m
 [2mmachine # [   54.812826] systemd[1]: [0;1;39mSystem is tainted: support-ended[0m[0m
 [2mmachine # [   54.824726] systemd[1]: Starting Import lastlog data into lastlog2 database...[0m
 [2mmachine # [   54.877649] systemd[1]: Starting Name Service Cache Daemon (nsncd)...[0m
 [2mmachine # [   54.936758] systemd[1]: Started Reset console on configuration changes.[0m
 [2mmachine # [   54.995690] systemd[1]: Starting resolvconf update...[0m
 [2mmachine # [   55.050216] systemd[1]: Starting Seat management daemon...[0m
 [2mmachine # [   55.127721] systemd[1]: Starting D-Bus System Message Bus...[0m
 [2mmachine # [   56.154837] seatd[639]: 00:00:00.016 [INFO] [seatd/seat.c:48] Created VT-bound seat seat0[0m
 [2mmachine # [   56.174490] seatd[639]: 00:00:00.030 [INFO] [seatd/seatd.c:194] seatd started[0m
 [2mmachine # [   56.220634] systemd[1]: Started Seat management daemon.[0m
 [2mmachine # [   56.776548] systemd[1]: Finished Import lastlog data into lastlog2 database.[0m
 [2mmachine # [   57.188399] dbus-daemon[640]: dbus[640]: Unknown username "systemd-timesync" in message bus configuration file[0m
 [2mmachine # [   57.260533] systemd[1]: Started Name Service Cache Daemon (nsncd).[0m
 [2mmachine # [   57.280336] systemd[1]: Reached target Host and Network Name Lookups.[0m
 [2mmachine # [   57.296389] systemd[1]: Reached target User and Group Name Lookups.[0m
 [2mmachine # [   57.404383] nsncd[636]: Aug 27 14:27:20.735 INFO started, config: Config { ignored_request_types: {}, worker_count: 8, handoff_timeout: 10s }, path: "/var/run/nscd/socket"[0m
 [2mmachine # [   57.417957] systemd[1]: Starting User Login Management...[0m
 [2mmachine # [   58.121444] systemd[1]: Started D-Bus System Message Bus.[0m
 machine: Guest root shell did not produce any data yet...
 machine:   To debug, enter the VM and run 'systemctl status backdoor.service'.
 [2mmachine # [   59.890936] systemd[1]: Stopped target Host and Network Name Lookups.[0m
 [2mmachine # [   59.917411] systemd[1]: Stopping Host and Network Name Lookups...[0m
 [2mmachine # [   59.929422] systemd[1]: Stopped target User and Group Name Lookups.[0m
 [2mmachine # [   59.947667] systemd[1]: Stopping User and Group Name Lookups...[0m
 [2mmachine # [   59.983417] systemd[1]: Stopping Name Service Cache Daemon (nsncd)...[0m
 [2mmachine # [   60.006597] systemd[1]: nscd.service: Deactivated successfully.[0m
 [2mmachine # [   60.017559] systemd[1]: Stopped Name Service Cache Daemon (nsncd).[0m
 [2mmachine # [   60.155548] systemd-logind[665]: New seat seat0.[0m
 [2mmachine # [   60.183532] systemd[1]: Starting Name Service Cache Daemon (nsncd)...[0m
 [2mmachine # [   60.247798] systemd[1]: Started User Login Management.[0m
 [2mmachine # [   60.306262] systemd[1]: Starting linger-users.service...[0m
 [2mmachine # [   61.196696] systemd[1]: linger-users.service: Deactivated successfully.[0m
 [2mmachine # [   61.215413] systemd[1]: Finished linger-users.service.[0m
 [2mmachine # [   61.272908] systemd[1]: Started Name Service Cache Daemon (nsncd).[0m
 [2mmachine # [   61.311579] nsncd[723]: Aug 27 14:27:24.811 INFO started, config: Config { ignored_request_types: {}, worker_count: 8, handoff_timeout: 10s }, path: "/var/run/nscd/socket"[0m
 [2mmachine # [   61.322821] systemd[1]: Reached target Host and Network Name Lookups.[0m
 [2mmachine # [   61.329846] systemd[1]: Reached target User and Group Name Lookups.[0m
 [2mmachine # [   61.460733] systemd[1]: Finished Firewall.[0m
 [2mmachine # [   61.859369] systemd[1]: Finished resolvconf update.[0m
 [2mmachine # [   61.883598] systemd[1]: Reached target Preparation for Network.[0m
 [2mmachine # [   63.627757] systemd[1]: Found device /dev/hvc0.[0m
 [2mmachine # [   64.272612] systemd[1]: Found device /dev/ttyS0.[0m
 [2mmachine # [   64.320791] systemd[1]: Started backdoor.service.[0m
 [2mmachine # [   65.010374] (udev-worker)[784]: [0;1;38:5:185meth1: Config file /etc/systemd/network/40-eth1.link is applied to device based on potentially unpredictable interface name.[0m[0m
 [2mmachine # [   65.047421] (udev-worker)[784]: Network interface NamePolicy= disabled on kernel command line.[0m
 [2mmachine # [   65.136406] (udev-worker)[780]: Network interface NamePolicy= disabled on kernel command line.[0m
 [2mmachine # connecting to host...[0m
 machine: Guest shell says: b'Spawning backdoor root shell...\n'
 machine: connected to guest root shell
 machine: (connecting took 67.12 seconds)
 machine: (finished: waiting for the VM to finish booting, in 67.12 seconds)
 [2mmachine # [   65.971906] systemd[1]: Found device Virtio network device.[0m
 [2mmachine # [   66.031515] systemd[1]: Starting Address configuration of eth1...[0m
 machine: (finished: waiting for unit seatd.service, in 68.12 seconds)
 machine: [1m[32mwaiting for success: test -e /dev/dri/card0[0m
 machine: (finished: waiting for success: test -e /dev/dri/card0, in 0.38 seconds)
 machine: [1m[32mmust succeed: chgrp render /dev/dri/card0 /dev/dri/renderD128[0m
 [2mmachine # [   66.774712] network-addresses-eth1-start[814]: adding address 192.168.1.1/24... done[0m
 [2mmachine # [   66.959554] network-addresses-eth1-start[814]: adding address 2001:db8:1::1/64... done[0m
 [2mmachine # [   67.177896] systemd[1]: Finished Address configuration of eth1.[0m
 [2mmachine # [   67.214818] systemd[1]: Starting Networking Setup...[0m
 machine: (finished: must succeed: chgrp render /dev/dri/card0 /dev/dri/renderD128, in 0.71 seconds)
 machine: [1m[32mmust succeed: chmod 0660 /dev/dri/card0 /dev/dri/renderD128[0m
 machine: (finished: must succeed: chmod 0660 /dev/dri/card0 /dev/dri/renderD128, in 0.50 seconds)
 machine: [1m[32mmust succeed: ls -l /dev/dri; find /sys/class/drm -maxdepth 1 -printf '%f\n' | sort[0m
 machine: (finished: must succeed: ls -l /dev/dri; find /sys/class/drm -maxdepth 1 -printf '%f\n' | sort, in 1.02 seconds)
 total 0
 crw-rw---- 1 root render 226,   0 Aug 27 14:26 card0
 crw-rw---- 1 root render 226, 128 Aug 27 14:26 renderD128
 card0
 card0-Virtual-1
 drm
 renderD128
 version

 machine: [1m[32mmust succeed: systemctl status getty@tty1.service --no-pager || true[0m
 [2mmachine # [   70.328003] systemd[1]: Finished Networking Setup.[0m
 [2mmachine # [   70.348549] systemd[1]: Reached target Network.[0m
 [2mmachine # [   70.412784] systemd[1]: Starting Permit User Sessions...[0m
 machine: (finished: must succeed: systemctl status getty@tty1.service --no-pager || true, in 1.54 seconds)
 ○ getty@tty1.service - Getty on tty1
     Loaded: loaded (/etc/systemd/system/getty@.service; disabled; preset: ignored)
    Drop-In: /nix/store/pzznk29qgrd0zjx3a1qkgwpc2nyc221q-system-units/getty@.service.d
             └─overrides.conf
     Active: inactive (dead)
        Job: 84
       Docs: man:agetty(8)
             man:systemd-getty-generator(8)
             https://0pointer.de/blog/projects/serial-console.html

 machine: [1m[32mwaiting for success: pgrep -u alice -f '/bin/niri-vm-launcher'[0m
 [2mmachine # [   70.847650] systemd[1]: Finished Permit User Sessions.[0m
 [2mmachine # [   70.901841] systemd[1]: Started Getty on tty1.[0m
 [2mmachine # [   70.911477] systemd[1]: Reached target Login Prompts.[0m
 [2mmachine # [   70.930441] systemd[1]: Reached target Multi-User System.[0m
 [2mmachine # [   70.942849] systemd[1]: Startup finished in 28.120s (kernel) + 42.798s (userspace) = 1min 10.918s.[0m
 [2mmachine # [   72.321847] login[934]: pam_unix(login:session): session opened for user alice(uid=1000) by LOGIN(uid=0)[0m
 [2mmachine # [   72.993630] systemd[1]: Created slice Slice /user/1000.[0m
 [2mmachine # [   73.010773] systemd[1]: Starting User Runtime Directory /run/user/1000...[0m
 [2mmachine # [   73.447620] systemd-logind[665]: New session '1' of user 'alice' with class 'user' and type 'tty'.[0m
 [2mmachine # [   73.675448] systemd[1]: Finished User Runtime Directory /run/user/1000.[0m
 [2mmachine # [   73.789341] systemd[1]: Starting User Manager for UID 1000...[0m
 [2mmachine # [   74.277014] (systemd)[963]: pam_unix(systemd-user:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [   74.323383] systemd-logind[665]: New session '2' of user 'alice' with class 'manager' and type 'unspecified'.[0m
 [2mmachine # [   77.229012] systemd[963]: Queued start job for default target Main User Target.[0m
 [2mmachine # [   77.331894] systemd[963]: Created slice User Application Slice.[0m
 [2mmachine # [   77.407842] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3[0m
 [2mmachine # [   77.366719] systemd[963]: Started Daily Cleanup of User's Temporary Directories.[0m
 [2mmachine # [   77.386509] systemd[963]: Reached target Paths.[0m
 [2mmachine # [   77.398649] systemd[963]: Reached target Timers.[0m
 [2mmachine # [   77.412413] systemd[963]: Starting D-Bus User Message Bus Socket...[0m
 [2mmachine # [   77.468308] ACPI: button: Power Button [PWRF][0m
 [2mmachine # [   77.430749] systemd[963]: Starting Create User Files and Directories...[0m
 [2mmachine # [   78.052761] systemd[963]: Finished Create User Files and Directories.[0m
 [2mmachine # [   78.383585] systemd[963]: Listening on D-Bus User Message Bus Socket.[0m
 [2mmachine # [   78.388050] systemd[963]: Reached target Sockets.[0m
 [2mmachine # [   78.392635] systemd[963]: Reached target Basic System.[0m
 [2mmachine # [   78.415012] systemd[1]: Started User Manager for UID 1000.[0m
 [2mmachine # [   78.448001] systemd[963]: Starting Run user-specific NixOS activation...[0m
 [2mmachine # [   78.459512] systemd[1]: Started Session 1 of User alice.[0m
 [2mmachine # [   79.056328] systemd[963]: Finished Run user-specific NixOS activation.[0m
 [2mmachine # [   79.075573] systemd[963]: Reached target Main User Target.[0m
 [2mmachine # [   79.084210] systemd[963]: Startup finished in 4.596s.[0m
 [2mmachine # [   80.331612] mousedev: PS/2 mouse device common for all mice[0m
 machine: (finished: waiting for success: pgrep -u alice -f '/bin/niri-vm-launcher', in 9.93 seconds)
 machine: [1m[32mmust succeed: su - alice -c 'printf before >/home/alice/.niri-variant'[0m
 [2mmachine # [   80.664431] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0x700, revision 0[0m
 [2mmachine # [   80.679052] i2c i2c-0: Memory type 0x07 not supported yet, not instantiating SPD[0m
 [2mmachine # [   80.999939] su[1036]: Successful su for alice by root[0m
 [2mmachine # [   81.229543] su[1036]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [   81.668919] su[1036]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'printf before >/home/alice/.niri-variant', in 1.25 seconds)
 machine: [1m[32mwaiting for success: pgrep -u alice -x niri || test -e /tmp/niri-before.done[0m
 machine: (finished: waiting for success: pgrep -u alice -x niri || test -e /tmp/niri-before.done, in 1.28 seconds)
 machine: [1m[32mmust succeed: cat /tmp/niri-before.log[0m
 machine: (finished: must succeed: cat /tmp/niri-before.log, in 0.59 seconds)

 machine: [1m[32mmust succeed: pgrep -u alice -x niri[0m
 machine: (finished: must succeed: pgrep -u alice -x niri, in 0.94 seconds)
 machine: [1m[32mwaiting for success: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q .[0m
 [2mmachine # [   87.137457] parport_pc 00:03: reported by Plug and Play ACPI[0m
 [2mmachine # [   87.187905] parport0: PC-style at 0x378, irq 7 [PCSPP(,...)][0m
 [2mmachine # [   87.254628] rtc_cmos 00:05: RTC can wake from S4[0m
 [2mmachine # [   87.436022] Floppy drive(s): fd0 is 2.88M AMI BIOS[0m
 [2mmachine # [   87.397257] seatd[639]: 00:00:31.264 [INFO] [seatd/server.c:145] New client connected (pid: 1052, uid: 1000, gid: 100)[0m
 [2mmachine # [   87.405664] seatd[639]: 00:00:31.269 [INFO] [seatd/seat.c:239] Added client 1 to seat0[0m
 [2mmachine # [   87.415996] seatd[639]: 00:00:31.278 [INFO] [seatd/seat.c:563] Opened client 1 on seat0[0m
 [2mmachine # [   87.483661] rtc_cmos 00:05: registered as rtc0[0m
 [2mmachine # [   87.488863] FDC 0 is a S82078B[0m
 [2mmachine # [   87.499592] rtc_cmos 00:05: setting system clock to 2026-08-27T14:27:51 UTC (1787840871)[0m
 [2mmachine # [   87.604488] rtc_cmos 00:05: alarms up to one day, y3k, 242 bytes nvram, hpet irqs[0m
 [2mmachine # [   92.111606] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4[0m
 machine: (finished: waiting for success: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q ., in 8.41 seconds)
 machine: [1m[32mmust succeed: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | head -n 1[0m
 [2mmachine # [   93.304571] input: QEMU Virtio Keyboard as /devices/pci0000:00/0000:00:09.0/virtio7/input/input5[0m
 machine: (finished: must succeed: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | head -n 1, in 0.90 seconds)
 machine: [1m[32mmust succeed: sleep 10[0m
 [2mmachine # [   96.167859] cryptd: max_cpu_qlen set to 1000[0m
 [2mmachine # [   96.488832] AES CTR mode by8 optimization enabled[0m
 [2mmachine # [  100.112546] kvm_amd: Nested Virtualization enabled[0m
 [2mmachine # [  100.112989] kvm_amd: Nested Paging enabled[0m
 [2mmachine # [  100.114874] kvm_amd: Virtual GIF supported[0m
 [2mmachine # [  100.115270] kvm_amd: PMU virtualization is disabled[0m
 machine: (finished: must succeed: sleep 10, in 10.86 seconds)
 machine: [1m[32mmust succeed: cat /tmp/niri-before.log[0m
 [2mmachine # [  104.907796] systemd[1]: Starting Virtual Console Setup...[0m
 machine: (finished: must succeed: cat /tmp/niri-before.log, in 1.40 seconds)
 [2m2026-08-27T14:27:49.638611Z[0m [32m INFO[0m [2mniri[0m[2m:[0m starting version 26.04 (v26.04-85-gdd75865f-modified)
 [2m2026-08-27T14:27:50.477650Z[0m [34mDEBUG[0m [2mniri_config[0m[2m:[0m loaded config from "/nix/store/gmpbc87798p6hxz382wk644jsld48ilh-niri-vm-test.kdl"
 [2m2026-08-27T14:27:52.587494Z[0m [32m INFO[0m [2mniri::backend::tty[0m[2m:[0m using as the render node: "/dev/dri/renderD128"
 [2m2026-08-27T14:27:56.105475Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m adding device: 57856 "/dev/dri/card0"
 [2m2026-08-27T14:27:56.111096Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m this is the primary node
 [2m2026-08-27T14:27:56.151236Z[0m [33m WARN[0m [2msmithay::backend::drm::device::fd[0m[2m:[0m Unable to become drm master, assuming unprivileged mode
 [2m2026-08-27T14:28:02.376336Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m got render node: renderD128
 [2m2026-08-27T14:28:02.380277Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m initializing the primary renderer
 [2m2026-08-27T14:28:02.395420Z[0m [33m WARN[0m [2msmithay::backend::egl::context[0m[2m:[0m ignoring requested context priority, EGL_IMG_context_priority not supported [3mpriority[0m[2m=[0mHigh

 machine: [1m[32mmust succeed: for file in /sys/class/drm/card0-Virtual-1/status /sys/class/drm/card0-Virtual-1/enabled /sys/class/drm/card0-Virtual-1/modes; do echo $file; cat $file; done[0m
 machine: (finished: must succeed: for file in /sys/class/drm/card0-Virtual-1/status /sys/class/drm/card0-Virtual-1/enabled /sys/class/drm/card0-Virtual-1/modes; do echo $file; cat $file; done, in 1.75 seconds)
 /sys/class/drm/card0-Virtual-1/status
 connected
 /sys/class/drm/card0-Virtual-1/enabled
 enabled
 /sys/class/drm/card0-Virtual-1/modes
 1280x800
 5120x2160
 4096x2160
 3840x2160
 3840x2160
 3840x2160
 1920x1440
 2560x1080
 1856x1392
 1792x1344
 2048x1152
 1920x1200
 1920x1080
 1920x1080
 1600x1200
 1680x1050
 1400x1050
 1280x1024
 1440x900
 1280x960
 1360x768
 1280x768
 1024x768
 800x600
 640x480
 640x480

 machine: [1m[32mmust succeed: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.1052.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs' || true[0m
 [2mmachine # [  109.435730] su[1265]: Successful su for alice by root[0m
 [2mmachine # [  109.929793] su[1265]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  110.862614] systemd[1]: Finished Virtual Console Setup.[0m
 [2mmachine # [  112.858342] dbus-daemon[640]: [system] Activating via systemd: service name='org.freedesktop.locale1' unit='dbus-org.freedesktop.locale1.service' requested by ':1.6' (uid=1000 pid=1052 comm="/nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-b")[0m
 [2mmachine # [  113.076602] systemd[1]: Starting Locale Service...[0m
 [2mmachine # [  115.123157] systemd-logind[665]: Watching system buttons on /dev/input/event0 (AT Translated Set 2 keyboard)[0m
 [2mmachine # [  116.039989] systemd[1]: Started Locale Service.[0m
 [2mmachine # [  116.094899] dbus-daemon[640]: [system] Successfully activated service 'org.freedesktop.locale1'[0m
 [2mmachine # [  119.635730] systemd-logind[665]: Watching system buttons on /dev/input/event2 (Power Button)[0m
 [2mmachine # [  120.002971] ppdev: user-space parallel port driver[0m
 [2mmachine # [  120.346816] systemd-logind[665]: Watching system buttons on /dev/input/event4 (QEMU Virtio Keyboard)[0m
 [2mmachine # [  120.732701] su[1265]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.1052.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs' || true, in 12.94 seconds)
 Output "Red Hat, Inc. QEMU Monitor Unknown" (Virtual-1)
  Current mode: 1280x800 @ 74.994 Hz (preferred)
  Variable refresh rate: not supported
  Physical size: 320x200 mm
  Logical position: 0, 0
  Logical size: 1280x800
  Scale: 1
  Transform: normal
  Available modes:
    1280x800@74.994 (current, preferred)
    5120x2160@50.000
    4096x2160@50.000
    3840x2160@60.000
    3840x2160@59.940
    3840x2160@50.000
    1920x1440@60.000
    2560x1080@50.000
    1856x1392@59.995
    1792x1344@60.000
    2048x1152@60.000
    1920x1200@59.885
    1920x1080@60.000
    1920x1080@50.000
    1600x1200@60.000
    1680x1050@59.954
    1400x1050@59.978
    1280x1024@60.020
    1440x900@59.887
    1280x960@60.000
    1360x768@60.015
    1280x768@59.870
    1024x768@60.004
    800x600@60.317
    640x480@60.000
    640x480@59.940


 machine: [1m[32mwaiting for success: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.1052.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs' | grep -q 'Virtual-1'[0m
 [2mmachine # [  121.446430] su[1324]: Successful su for alice by root[0m
 [2mmachine # [  121.597996] su[1324]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  122.212586] su[1324]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: waiting for success: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.1052.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs' | grep -q 'Virtual-1', in 1.46 seconds)
 machine: [1m[32mmust succeed: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.1052.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs'[0m
 [2mmachine # [  122.439470] su[1332]: Successful su for alice by root[0m
 [2mmachine # [  122.531589] su[1332]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  123.054939] su[1332]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.1052.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs', in 0.83 seconds)
 Output "Red Hat, Inc. QEMU Monitor Unknown" (Virtual-1)
  Current mode: 1280x800 @ 74.994 Hz (preferred)
  Variable refresh rate: not supported
  Physical size: 320x200 mm
  Logical position: 0, 0
  Logical size: 1280x800
  Scale: 1
  Transform: normal
  Available modes:
    1280x800@74.994 (current, preferred)
    5120x2160@50.000
    4096x2160@50.000
    3840x2160@60.000
    3840x2160@59.940
    3840x2160@50.000
    1920x1440@60.000
    2560x1080@50.000
    1856x1392@59.995
    1792x1344@60.000
    2048x1152@60.000
    1920x1200@59.885
    1920x1080@60.000
    1920x1080@50.000
    1600x1200@60.000
    1680x1050@59.954
    1400x1050@59.978
    1280x1024@60.020
    1440x900@59.887
    1280x960@60.000
    1360x768@60.015
    1280x768@59.870
    1024x768@60.004
    800x600@60.317
    640x480@60.000
    640x480@59.940


 machine: [1m[32mmust succeed: ls -l /dev/dri; id alice[0m
 machine: (finished: must succeed: ls -l /dev/dri; id alice, in 0.40 seconds)
 total 0
 drwxr-xr-x  2 root root         80 Aug 27 14:27 by-path
 crw-rw----+ 1 root video  226,   0 Aug 27 14:27 card0
 crw-rw-rw-  1 root render 226, 128 Aug 27 14:27 renderD128
 uid=1000(alice) gid=100(users) groups=100(users),26(video),174(input),303(render),997(seat)

 machine: [1m[32mmust succeed: su - alice -c 'test -r /dev/dri/renderD128 -a -w /dev/dri/renderD128'[0m
 [2mmachine # [  123.698899] su[1342]: Successful su for alice by root[0m
 [2mmachine # [  123.808723] su[1342]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  123.973591] su[1342]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'test -r /dev/dri/renderD128 -a -w /dev/dri/renderD128', in 0.52 seconds)
 machine: [1m[32mmust succeed: su - alice -c 'XDG_RUNTIME_DIR=/run/user/1000 NIRI_SOCKET=/run/user/1000/niri.wayland-1.1052.sock DMABUF_DEVICE=/dev/dri/card0 NIRI_REPRO_LOG=/tmp/niri-before.log /nix/store/wlvm6j10hypf096yy729hzdx46vihdpb-niri-layer-output-reproducer-tools/bin/collect-dmabuf-tty before dd75865f547f0eac0e9b6c4d86d2cd00c0744252 /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri /nix/store/y7s3kq0b270bl7qmc9l8b6x53lxhp2r5-niri-layer-output-dmabuf-reproducer/bin/niri-layer-output-dmabuf-reproducer /nix/store/wlvm6j10hypf096yy729hzdx46vihdpb-niri-layer-output-reproducer-tools/bin/sample-drm Virtual-1 /tmp/before.csv 10 2 2'[0m
 [2mmachine # [  124.243940] su[1351]: Successful su for alice by root[0m
 [2mmachine # [  124.345884] su[1351]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 1360[0m
 [2mmachine # [  146.230704] systemd[1]: systemd-localed.service: Deactivated successfully.[0m
 [2mmachine # [  146.240243] systemd[1]: systemd-localed.service: Consumed 1.384s CPU time, 2.6M memory peak.[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 1568[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 1720[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 1869[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 2018[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 2167[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 2316[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 2465[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 2614[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 2763[0m
 [2mmachine # no DRM client counters found for PID 1052[0m
 [2mmachine # no DRM client counters found for PID 2912[0m
 [2mmachine # [  257.225597] su[1351]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'XDG_RUNTIME_DIR=/run/user/1000 NIRI_SOCKET=/run/user/1000/niri.wayland-1.1052.sock DMABUF_DEVICE=/dev/dri/card0 NIRI_REPRO_LOG=/tmp/niri-before.log /nix/store/wlvm6j10hypf096yy729hzdx46vihdpb-niri-layer-output-reproducer-tools/bin/collect-dmabuf-tty before dd75865f547f0eac0e9b6c4d86d2cd00c0744252 /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri /nix/store/y7s3kq0b270bl7qmc9l8b6x53lxhp2r5-niri-layer-output-dmabuf-reproducer/bin/niri-layer-output-dmabuf-reproducer /nix/store/wlvm6j10hypf096yy729hzdx46vihdpb-niri-layer-output-reproducer-tools/bin/sample-drm Virtual-1 /tmp/before.csv 10 2 2', in 133.28 seconds)
 machine: [1m[32mmust succeed: cat /tmp/before.csv[0m
 machine: (finished: must succeed: cat /tmp/before.csv, in 0.28 seconds)
 variant,revision,cycle,niri_total_kib,niri_shared_kib,niri_resident_kib,niri_rss_kib,client_total_kib,client_shared_kib,client_resident_kib,client_rss_kib,visible_layers,client_buffer_bytes,stale_mapped_layers
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,0,0,0,0,149324,0,0,0,32112,1,16384000,0
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,1,0,0,0,149584,0,0,0,32796,1,16384000,1
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,2,0,0,0,149584,0,0,0,32724,1,16384000,2
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,3,0,0,0,149596,0,0,0,32628,1,16384000,3
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,4,0,0,0,149596,0,0,0,32704,1,16384000,4
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,5,0,0,0,149596,0,0,0,32728,1,16384000,5
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,6,0,0,0,149596,0,0,0,32640,1,16384000,6
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,7,0,0,0,149596,0,0,0,32928,1,16384000,7
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,8,0,0,0,149596,0,0,0,32716,1,16384000,8
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,9,0,0,0,149596,0,0,0,32920,1,16384000,9
 before,dd75865f547f0eac0e9b6c4d86d2cd00c0744252,10,0,0,0,149596,0,0,0,32620,1,16384000,10

 machine: [1m[32mmust succeed: pkill -TERM -u alice -x niri[0m
 machine: (finished: must succeed: pkill -TERM -u alice -x niri, in 0.30 seconds)
 machine: [1m[32mwaiting for failure: pgrep -u alice -x niri[0m
 [2mmachine # [  258.163518] seatd[639]: 00:03:22.068 [INFO] [seatd/seat.c:158] No clients on seat0 to activate[0m
 [2mmachine # [  258.186395] seatd[639]: 00:03:22.098 [INFO] [seatd/seat.c:290] Removed client 1 from seat0[0m
 [2mmachine # [  258.189852] seatd[639]: 00:03:22.101 [INFO] [seatd/client.c:496] Client disconnected[0m
 machine: (finished: waiting for failure: pgrep -u alice -x niri, in 1.78 seconds)
 machine: [1m[32mwaiting for failure: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q .[0m
 machine: (finished: waiting for failure: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q ., in 0.25 seconds)
 machine: [1m[32mmust succeed: su - alice -c 'printf after >/home/alice/.niri-variant'[0m
 [2mmachine # [  260.131736] su[3147]: Successful su for alice by root[0m
 [2mmachine # [  260.242762] su[3147]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  260.442284] su[3147]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'printf after >/home/alice/.niri-variant', in 0.58 seconds)
 machine: [1m[32mwaiting for success: pgrep -u alice -x niri || test -e /tmp/niri-after.done[0m
 machine: (finished: waiting for success: pgrep -u alice -x niri || test -e /tmp/niri-after.done, in 0.51 seconds)
 machine: [1m[32mmust succeed: cat /tmp/niri-after.log[0m
 machine: (finished: must succeed: cat /tmp/niri-after.log, in 0.25 seconds)

 machine: [1m[32mmust succeed: pgrep -u alice -x niri[0m
 machine: (finished: must succeed: pgrep -u alice -x niri, in 0.48 seconds)
 machine: [1m[32mwaiting for success: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q .[0m
 [2mmachine # [  263.202957] seatd[639]: 00:03:27.100 [INFO] [seatd/server.c:145] New client connected (pid: 3160, uid: 1000, gid: 100)[0m
 [2mmachine # [  263.208801] seatd[639]: 00:03:27.103 [INFO] [seatd/seat.c:239] Added client 1 to seat0[0m
 [2mmachine # [  263.211949] seatd[639]: 00:03:27.104 [INFO] [seatd/seat.c:563] Opened client 1 on seat0[0m
 machine: (finished: waiting for success: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q ., in 4.55 seconds)
 machine: [1m[32mmust succeed: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | head -n 1[0m
 machine: (finished: must succeed: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | head -n 1, in 0.38 seconds)
 machine: [1m[32mmust succeed: sleep 10[0m
 [2mmachine # [  269.410951] dbus-daemon[640]: [system] Activating via systemd: service name='org.freedesktop.locale1' unit='dbus-org.freedesktop.locale1.service' requested by ':1.9' (uid=1000 pid=3160 comm="/nix/store/5fjs49rjk4127n6wvi5c3y962din63qk-niri-a")[0m
 [2mmachine # [  269.568932] systemd[1]: Starting Locale Service...[0m
 [2mmachine # [  270.528679] systemd[1]: Started Locale Service.[0m
 [2mmachine # [  270.546900] dbus-daemon[640]: [system] Successfully activated service 'org.freedesktop.locale1'[0m
 machine: (finished: must succeed: sleep 10, in 10.27 seconds)
 machine: [1m[32mmust succeed: cat /tmp/niri-after.log[0m
 machine: (finished: must succeed: cat /tmp/niri-after.log, in 0.13 seconds)
 [2m2026-08-27T14:30:46.511246Z[0m [32m INFO[0m [2mniri[0m[2m:[0m starting version 26.04 (v26.04-86-gecb95377-modified)
 [2m2026-08-27T14:30:47.000341Z[0m [34mDEBUG[0m [2mniri_config[0m[2m:[0m loaded config from "/nix/store/gmpbc87798p6hxz382wk644jsld48ilh-niri-vm-test.kdl"
 [2m2026-08-27T14:30:48.150376Z[0m [32m INFO[0m [2mniri::backend::tty[0m[2m:[0m using as the render node: "/dev/dri/renderD128"
 [2m2026-08-27T14:30:49.532288Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m adding device: 57856 "/dev/dri/card0"
 [2m2026-08-27T14:30:49.536540Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m this is the primary node
 [2m2026-08-27T14:30:49.552457Z[0m [33m WARN[0m [2msmithay::backend::drm::device::fd[0m[2m:[0m Unable to become drm master, assuming unprivileged mode
 [2m2026-08-27T14:30:50.643178Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m got render node: renderD128
 [2m2026-08-27T14:30:50.646719Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m initializing the primary renderer
 [2m2026-08-27T14:30:50.661624Z[0m [33m WARN[0m [2msmithay::backend::egl::context[0m[2m:[0m ignoring requested context priority, EGL_IMG_context_priority not supported [3mpriority[0m[2m=[0mHigh
 [2m2026-08-27T14:30:51.970363Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m device changed: 57856
 [2m2026-08-27T14:30:52.046259Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m new connector: Virtual-1 "Red Hat, Inc. QEMU Monitor Unknown"
 [2m2026-08-27T14:30:52.091950Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m connecting connector: Virtual-1
 [2m2026-08-27T14:30:52.099157Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m picking mode: Mode { name: "1280x800", clock: 107300, size: (1280, 800), hsync: (1600, 1638, 1728), vsync: (804, 808, 828), hskew: 0, vscan: 0, vrefresh: 75, mode_type: ModeTypeFlags(PREFERRED | DRIVER) }
 [2m2026-08-27T14:30:52.110910Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m failed to set HDR properties: couldn't find property: "HDR_OUTPUT_METADATA"
 [2m2026-08-27T14:30:52.122125Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't get gamma properties: missing GAMMA_LUT property
 [2m2026-08-27T14:30:52.130830Z[0m [34mDEBUG[0m [2mniri::backend::tty[0m[2m:[0m couldn't reset gamma: setting gamma is not supported
 [2m2026-08-27T14:30:52.238188Z[0m [33m WARN[0m [2msmithay::backend::drm::compositor[0m[2m:[0m Preferred format AB30 not available: NoSupportedPlaneFormat
 [2m2026-08-27T14:30:52.472161Z[0m [34mDEBUG[0m [2mniri::niri[0m[2m:[0m putting output Virtual-1 at x=0 y=0
 [2m2026-08-27T14:30:52.570659Z[0m [32m INFO[0m [2mniri[0m[2m:[0m listening on Wayland socket: wayland-1
 [2m2026-08-27T14:30:52.573299Z[0m [32m INFO[0m [2mniri[0m[2m:[0m IPC listening on: /run/user/1000/niri.wayland-1.3160.sock
 [2m2026-08-27T14:30:52.608617Z[0m [33m WARN[0m [2mniri::utils::xwayland::satellite[0m[2m:[0m error spawning xwayland-satellite at "xwayland-satellite", disabling integration: No such file or directory (os error 2)
 [2m2026-08-27T14:30:53.675144Z[0m [33m WARN[0m [2mniri::cursor[0m[2m:[0m error loading xcursor default@24: no default icon

 machine: [1m[32mmust succeed: for file in /sys/class/drm/card0-Virtual-1/status /sys/class/drm/card0-Virtual-1/enabled /sys/class/drm/card0-Virtual-1/modes; do echo $file; cat $file; done[0m
 machine: (finished: must succeed: for file in /sys/class/drm/card0-Virtual-1/status /sys/class/drm/card0-Virtual-1/enabled /sys/class/drm/card0-Virtual-1/modes; do echo $file; cat $file; done, in 0.20 seconds)
 /sys/class/drm/card0-Virtual-1/status
 connected
 /sys/class/drm/card0-Virtual-1/enabled
 enabled
 /sys/class/drm/card0-Virtual-1/modes
 1280x800
 5120x2160
 4096x2160
 3840x2160
 3840x2160
 3840x2160
 1920x1440
 2560x1080
 1856x1392
 1792x1344
 2048x1152
 1920x1200
 1920x1080
 1920x1080
 1600x1200
 1680x1050
 1400x1050
 1280x1024
 1440x900
 1280x960
 1360x768
 1280x768
 1024x768
 800x600
 640x480
 640x480

 machine: [1m[32mmust succeed: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.3160.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs' || true[0m
 [2mmachine # [  277.448898] su[3226]: Successful su for alice by root[0m
 [2mmachine # [  277.531678] su[3226]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  278.049843] su[3226]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.3160.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs' || true, in 0.83 seconds)
 Output "Red Hat, Inc. QEMU Monitor Unknown" (Virtual-1)
  Current mode: 1280x800 @ 74.994 Hz (preferred)
  Variable refresh rate: not supported
  Physical size: 320x200 mm
  Logical position: 0, 0
  Logical size: 1280x800
  Scale: 1
  Transform: normal
  Available modes:
    1280x800@74.994 (current, preferred)
    5120x2160@50.000
    4096x2160@50.000
    3840x2160@60.000
    3840x2160@59.940
    3840x2160@50.000
    1920x1440@60.000
    2560x1080@50.000
    1856x1392@59.995
    1792x1344@60.000
    2048x1152@60.000
    1920x1200@59.885
    1920x1080@60.000
    1920x1080@50.000
    1600x1200@60.000
    1680x1050@59.954
    1400x1050@59.978
    1280x1024@60.020
    1440x900@59.887
    1280x960@60.000
    1360x768@60.015
    1280x768@59.870
    1024x768@60.004
    800x600@60.317
    640x480@60.000
    640x480@59.940


 machine: [1m[32mwaiting for success: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.3160.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs' | grep -q 'Virtual-1'[0m
 [2mmachine # [  278.279984] su[3234]: Successful su for alice by root[0m
 [2mmachine # [  278.361572] su[3234]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  278.786495] su[3234]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: waiting for success: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.3160.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs' | grep -q 'Virtual-1', in 0.74 seconds)
 machine: [1m[32mmust succeed: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.3160.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs'[0m
 [2mmachine # [  278.981390] su[3239]: Successful su for alice by root[0m
 [2mmachine # [  279.070934] su[3239]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  279.538369] su[3239]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'NIRI_SOCKET=/run/user/1000/niri.wayland-1.3160.sock /nix/store/m8krb6xhdqnpmxa44ily5g7hdnz13hzf-niri-before-dd75865f/bin/niri msg outputs', in 0.75 seconds)
 Output "Red Hat, Inc. QEMU Monitor Unknown" (Virtual-1)
  Current mode: 1280x800 @ 74.994 Hz (preferred)
  Variable refresh rate: not supported
  Physical size: 320x200 mm
  Logical position: 0, 0
  Logical size: 1280x800
  Scale: 1
  Transform: normal
  Available modes:
    1280x800@74.994 (current, preferred)
    5120x2160@50.000
    4096x2160@50.000
    3840x2160@60.000
    3840x2160@59.940
    3840x2160@50.000
    1920x1440@60.000
    2560x1080@50.000
    1856x1392@59.995
    1792x1344@60.000
    2048x1152@60.000
    1920x1200@59.885
    1920x1080@60.000
    1920x1080@50.000
    1600x1200@60.000
    1680x1050@59.954
    1400x1050@59.978
    1280x1024@60.020
    1440x900@59.887
    1280x960@60.000
    1360x768@60.015
    1280x768@59.870
    1024x768@60.004
    800x600@60.317
    640x480@60.000
    640x480@59.940


 machine: [1m[32mmust succeed: ls -l /dev/dri; id alice[0m
 machine: (finished: must succeed: ls -l /dev/dri; id alice, in 0.29 seconds)
 total 0
 drwxr-xr-x  2 root root         80 Aug 27 14:27 by-path
 crw-rw----+ 1 root video  226,   0 Aug 27 14:27 card0
 crw-rw-rw-  1 root render 226, 128 Aug 27 14:27 renderD128
 uid=1000(alice) gid=100(users) groups=100(users),26(video),174(input),303(render),997(seat)

 machine: [1m[32mmust succeed: su - alice -c 'test -r /dev/dri/renderD128 -a -w /dev/dri/renderD128'[0m
 [2mmachine # [  280.024331] su[3249]: Successful su for alice by root[0m
 [2mmachine # [  280.106529] su[3249]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # [  280.246005] su[3249]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'test -r /dev/dri/renderD128 -a -w /dev/dri/renderD128', in 0.42 seconds)
 machine: [1m[32mmust succeed: su - alice -c 'XDG_RUNTIME_DIR=/run/user/1000 NIRI_SOCKET=/run/user/1000/niri.wayland-1.3160.sock DMABUF_DEVICE=/dev/dri/card0 NIRI_REPRO_LOG=/tmp/niri-after.log /nix/store/wlvm6j10hypf096yy729hzdx46vihdpb-niri-layer-output-reproducer-tools/bin/collect-dmabuf-tty after ecb953778c1031d0492cc6bc65429449cb32163c /nix/store/5fjs49rjk4127n6wvi5c3y962din63qk-niri-after-ecb95377/bin/niri /nix/store/y7s3kq0b270bl7qmc9l8b6x53lxhp2r5-niri-layer-output-dmabuf-reproducer/bin/niri-layer-output-dmabuf-reproducer /nix/store/wlvm6j10hypf096yy729hzdx46vihdpb-niri-layer-output-reproducer-tools/bin/sample-drm Virtual-1 /tmp/after.csv 10 2 2'[0m
 [2mmachine # [  280.473189] su[3258]: Successful su for alice by root[0m
 [2mmachine # [  280.556956] su[3258]: pam_unix(su:session): session opened for user alice(uid=1000) by (uid=0)[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 3267[0m
 [2mmachine # [  300.656780] systemd[1]: systemd-localed.service: Deactivated successfully.[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 3484[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 3650[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 3811[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 3972[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 4133[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 4296[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 4457[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 4618[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 4779[0m
 [2mmachine # no DRM client counters found for PID 3160[0m
 [2mmachine # no DRM client counters found for PID 4940[0m
 [2mmachine # [  416.721708] su[3258]: pam_unix(su:session): session closed for user alice[0m
 machine: (finished: must succeed: su - alice -c 'XDG_RUNTIME_DIR=/run/user/1000 NIRI_SOCKET=/run/user/1000/niri.wayland-1.3160.sock DMABUF_DEVICE=/dev/dri/card0 NIRI_REPRO_LOG=/tmp/niri-after.log /nix/store/wlvm6j10hypf096yy729hzdx46vihdpb-niri-layer-output-reproducer-tools/bin/collect-dmabuf-tty after ecb953778c1031d0492cc6bc65429449cb32163c /nix/store/5fjs49rjk4127n6wvi5c3y962din63qk-niri-after-ecb95377/bin/niri /nix/store/y7s3kq0b270bl7qmc9l8b6x53lxhp2r5-niri-layer-output-dmabuf-reproducer/bin/niri-layer-output-dmabuf-reproducer /nix/store/wlvm6j10hypf096yy729hzdx46vihdpb-niri-layer-output-reproducer-tools/bin/sample-drm Virtual-1 /tmp/after.csv 10 2 2', in 136.51 seconds)
 machine: [1m[32mmust succeed: cat /tmp/after.csv[0m
 machine: (finished: must succeed: cat /tmp/after.csv, in 0.25 seconds)
 variant,revision,cycle,niri_total_kib,niri_shared_kib,niri_resident_kib,niri_rss_kib,client_total_kib,client_shared_kib,client_resident_kib,client_rss_kib,visible_layers,client_buffer_bytes,stale_mapped_layers
 after,ecb953778c1031d0492cc6bc65429449cb32163c,0,0,0,0,133008,0,0,0,32996,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,1,0,0,0,133324,0,0,0,32576,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,2,0,0,0,133324,0,0,0,32692,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,3,0,0,0,133332,0,0,0,32724,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,4,0,0,0,133332,0,0,0,32712,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,5,0,0,0,133332,0,0,0,32788,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,6,0,0,0,133332,0,0,0,32596,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,7,0,0,0,133332,0,0,0,32616,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,8,0,0,0,133332,0,0,0,32704,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,9,0,0,0,133332,0,0,0,32712,1,16384000,0
 after,ecb953778c1031d0492cc6bc65429449cb32163c,10,0,0,0,133332,0,0,0,32860,1,16384000,0

 machine: [1m[32mmust succeed: cat /tmp/before.csv[0m
 machine: (finished: must succeed: cat /tmp/before.csv, in 0.16 seconds)
 machine: [1m[32mmust succeed: cat /tmp/after.csv[0m
 machine: (finished: must succeed: cat /tmp/after.csv, in 0.15 seconds)
 machine: [1m[32mmust succeed: cat /tmp/before-niri-fdinfo-start.txt[0m
 machine: (finished: must succeed: cat /tmp/before-niri-fdinfo-start.txt, in 0.18 seconds)
 machine: [1m[32mmust succeed: cat /tmp/before-niri-fdinfo-end.txt[0m
 machine: (finished: must succeed: cat /tmp/before-niri-fdinfo-end.txt, in 0.16 seconds)
 machine: [1m[32mmust succeed: cat /tmp/after-niri-fdinfo-start.txt[0m
 machine: (finished: must succeed: cat /tmp/after-niri-fdinfo-start.txt, in 0.15 seconds)
 machine: [1m[32mmust succeed: cat /tmp/after-niri-fdinfo-end.txt[0m
 machine: (finished: must succeed: cat /tmp/after-niri-fdinfo-end.txt, in 0.15 seconds)
 machine: [1m[32mmust succeed: cat /tmp/before-final-layers.txt[0m
 machine: (finished: must succeed: cat /tmp/before-final-layers.txt, in 0.16 seconds)
 machine: [1m[32mmust succeed: cat /tmp/after-final-layers.txt[0m
 [2mmachine # [  418.170633] systemd[963]: Created slice User Background Tasks Slice.[0m
 [2mmachine # [  418.222588] systemd[963]: Starting Cleanup of User's Temporary Files and Directories...[0m
 machine: (finished: must succeed: cat /tmp/after-final-layers.txt, in 0.22 seconds)
 machine: [1m[32mmust succeed: cat /tmp/before-client-logs.txt[0m
 [2mmachine # [  418.469788] systemd[963]: Finished Cleanup of User's Temporary Files and Directories.[0m
 machine: (finished: must succeed: cat /tmp/before-client-logs.txt, in 0.23 seconds)
 machine: [1m[32mmust succeed: cat /tmp/after-client-logs.txt[0m
 machine: (finished: must succeed: cat /tmp/after-client-logs.txt, in 0.15 seconds)
 machine: [1m[32mmust succeed: cat /tmp/niri-before.log[0m
 machine: (finished: must succeed: cat /tmp/niri-before.log, in 0.16 seconds)
 machine: [1m[32mmust succeed: cat /tmp/niri-after.log[0m
 machine: (finished: must succeed: cat /tmp/niri-after.log, in 0.15 seconds)
 machine: [1m[32mmust succeed: pkill -TERM -u alice -x niri[0m
 machine: (finished: must succeed: pkill -TERM -u alice -x niri, in 0.28 seconds)
 machine: [1m[32mwaiting for failure: pgrep -u alice -x niri[0m
 [2mmachine # [  419.556164] seatd[639]: 00:06:03.461 [INFO] [seatd/seat.c:158] No clients on seat0 to activate[0m
 [2mmachine # [  419.572367] seatd[639]: 00:06:03.482 [INFO] [seatd/seat.c:290] Removed client 1 from seat0[0m
 [2mmachine # [  419.577162] seatd[639]: 00:06:03.484 [INFO] [seatd/client.c:496] Client disconnected[0m
 machine: (finished: waiting for failure: pgrep -u alice -x niri, in 1.74 seconds)
 machine: [1m[32mwaiting for failure: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q .[0m
 machine: (finished: waiting for failure: find /run/user/1000 -maxdepth 1 -type s -name 'niri.*.sock' | grep -q ., in 0.23 seconds)
 (finished: run the VM test script, in 423.52 seconds)
 test script finished in 423.81s
 [1m[32mcleanup[0m
 kill machine (pid 9)
 qemu-system-x86_64: terminating on signal 15 from pid 6 (/nix/store/qwb5ygz9k8gs5ql9bpxbrsrv12r1icgm-python3-3.13.12/bin/python3.13)
 kill vlan (pid 7)
 (finished: cleanup, in 0.01 seconds)
variant	revision
unpatched	`dd75865f547f0eac0e9b6c4d86d2cd00c0744252`
fixed	`ecb953778c1031d0492cc6bc65429449cb32163c` (PR niri-wm/niri#4485)
Metric	unpatched (`dd75865f`)	fixed (`ecb95377`)
stale mapped layer surfaces after cycle k	k (monotonic 0 → 10)	0 at every cycle
retained stale DMA-BUF payload per cycle	15.625 MiB	0 B
total retained after 10 cycles	156.25 MiB (163,840,000 B)	0 B
File	What it is
`leak-before-after.png`	The before/after plot
`plot.gp`	Self-contained gnuplot script for the plot
`before.csv` / `after.csv`	Per-cycle measurements (unpatched / fixed)
`niri-before.log` / `niri-after.log`	Compositor logs incl. `NIRI_REPRO_LAYER_METRICS` lines
`before-client-logs.txt` / `after-client-logs.txt`	Client generation logs (`READY ... bytes=` lines)
`before-final-layers.txt` / `after-final-layers.txt`	Final IPC layer listing (live layer still mapped)
`vm-test-run.log`	Full NixOS VM test run log
`vm-smoke.nix`	NixOS VM test definition (runs the whole A/B)
`collect-dmabuf-tty.sh`	In-guest collector: drives the cycles, samples counters
`sample-drm.sh`	DRM fdinfo sampler (effective on real hardware; no-op on virtio)
`dmabuf-layer-main.rs` / `dmabuf-layer-Cargo.toml`	Synthetic DMA-BUF layer-shell client
`shell.qml`	Minimal Quickshell reproducer for real sessions
`instrumentation.patch`	Test-only, env-gated instrumentation (identical on both revisions)
	== /tmp/after-client-10.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-11.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-1.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-2.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-3.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-4.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-5.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-6.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-7.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-8.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/after-client-9.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	Output "Virtual-1":
	Background layer:
	Surface:
	Namespace: "niri-layer-output-dmabuf-reproducer"
	Keyboard interactivity: none

	Bottom layer: (empty)

	Top layer: (empty)

	Overlay layer: (empty)
variant	revision	cycle	niri_total_kib	niri_shared_kib	niri_resident_kib	niri_rss_kib	client_total_kib	client_shared_kib	client_resident_kib	client_rss_kib	visible_layers	client_buffer_bytes	stale_mapped_layers
after	ecb953778c1031d0492cc6bc65429449cb32163c	0	0	0	0	133008	0	0	0	32996	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	1	0	0	0	133324	0	0	0	32576	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	2	0	0	0	133324	0	0	0	32692	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	3	0	0	0	133332	0	0	0	32724	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	4	0	0	0	133332	0	0	0	32712	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	5	0	0	0	133332	0	0	0	32788	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	6	0	0	0	133332	0	0	0	32596	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	7	0	0	0	133332	0	0	0	32616	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	8	0	0	0	133332	0	0	0	32704	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	9	0	0	0	133332	0	0	0	32712	1	16384000	0
after	ecb953778c1031d0492cc6bc65429449cb32163c	10	0	0	0	133332	0	0	0	32860	1	16384000	0
	== /tmp/before-client-10.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-11.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-1.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-2.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-3.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-4.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-5.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-6.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-7.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-8.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	== /tmp/before-client-9.log ==
	READY logical=1280x800 buffer=2560x1600 bytes=16384000
	#!/usr/bin/env bash
	set -euo pipefail

	if [[ $# -lt 8 \|\| $# -gt 10 ]]; then
	echo "usage: $0 LABEL REVISION NIRI_BIN CLIENT_BIN SAMPLE_DRM OUTPUT OUTPUT_CSV CYCLES [OFF_SECONDS] [SETTLE_SECONDS]" >&2
	exit 2
	fi

	label=$1
	revision=$2
	niri_bin=$3
	client_bin=$4
	sample_drm=$5
	output_name=$6
	output_csv=$7
	cycles=$8
	off_seconds=${9:-1}
	settle_seconds=${10:-2}
	dmabuf_device=${DMABUF_DEVICE:-/dev/dri/renderD128}

	: "${NIRI_SOCKET:?NIRI_SOCKET must point at the compositor IPC socket}"
	: "${XDG_RUNTIME_DIR:?XDG_RUNTIME_DIR must be set}"

	niri_pid=$(pgrep -u "$(id -u)" -x niri \| head -n 1)
	if [[ -z $niri_pid ]]; then
	echo "could not find the niri process" >&2
	exit 1
	fi

	socket_name=$(basename -- "$NIRI_SOCKET")
	wayland_display=${socket_name#niri.}
	wayland_display=${wayland_display%."$niri_pid".sock}
	if [[ $wayland_display == "$socket_name" \|\| -z $wayland_display ]]; then
	echo "could not derive WAYLAND_DISPLAY from $NIRI_SOCKET and PID $niri_pid" >&2
	exit 1
	fi

	client_pid=
	client_buffer_bytes=0
	generation=0
	cleanup() {
	if [[ -n ${client_pid:-} ]] && kill -0 "$client_pid" 2>/dev/null; then
	kill -TERM "$client_pid" 2>/dev/null \|\| true
	wait "$client_pid" 2>/dev/null \|\| true
	fi
	}
	trap cleanup EXIT INT TERM

	start_client() {
	((generation += 1)) \|\| true
	local client_log="/tmp/$label-client-$generation.log"

	env -u DISPLAY \
	WAYLAND_DISPLAY="$wayland_display" \
	BUFFER_SCALE=2 \
	"$client_bin" "$dmabuf_device" \
	>"$client_log" 2>&1 &
	client_pid=$!

	for _ in {1..600}; do
	if ! kill -0 "$client_pid" 2>/dev/null; then
	wait "$client_pid" \|\| true
	echo "DMA-BUF client exited during startup:" >&2
	cat "$client_log" >&2
	return 1
	fi
	if grep -q '^READY ' "$client_log" \
	&& "$niri_bin" msg layers 2>/dev/null \
	\| grep -q 'niri-layer-output-dmabuf-reproducer'; then
	client_buffer_bytes=$(sed -n 's/^READY .* bytes=\([0-9][0-9]*\)$/\1/p' "$client_log")
	if [[ -z $client_buffer_bytes ]]; then
	echo "could not parse DMA-BUF byte size from $client_log" >&2
	return 1
	fi
	return 0
	fi
	sleep 0.1
	done

	echo "timed out waiting for DMA-BUF layer generation $generation" >&2
	cat "$client_log" >&2
	return 1
	}

	wait_for_client_exit() {
	local client_log="/tmp/$label-client-$generation.log"

	for _ in {1..600}; do
	if ! kill -0 "$client_pid" 2>/dev/null; then
	if ! wait "$client_pid"; then
	echo "DMA-BUF client failed during output removal; see $client_log" >&2
	return 1
	fi
	client_pid=
	return 0
	fi
	sleep 0.1
	done

	echo "DMA-BUF client did not exit after output removal; see $client_log" >&2
	return 1
	}

	layer_count() {
	local count
	count=$("$niri_bin" msg layers 2>/dev/null \
	\| grep -c 'niri-layer-output-dmabuf-reproducer' \|\| true)
	printf '%d\n' "$count"
	}

	sample_cycle() {
	local cycle=$1
	local compositor_counters client_counters retained_layers stale_layers
	if ! compositor_counters=$("$sample_drm" "$niri_pid"); then
	compositor_counters="0,0,0,$(awk '$1 == "VmRSS:" { print $2; exit }' "/proc/$niri_pid/status")"
	fi
	if ! client_counters=$("$sample_drm" "$client_pid"); then
	client_counters="0,0,0,$(awk '$1 == "VmRSS:" { print $2; exit }' "/proc/$client_pid/status")"
	fi
	retained_layers=$(layer_count)
	stale_layers=0
	if [[ -n ${NIRI_REPRO_LOG:-} && -e $NIRI_REPRO_LOG ]]; then
	stale_layers=$(sed -n \
	's/.NIRI_REPRO_LAYER_METRICS mapped=\([0-9][0-9]\).*/\1/p' \
	"$NIRI_REPRO_LOG" \| tail -n 1)
	stale_layers=${stale_layers:-0}
	fi

	printf '%s,%s,%d,%s,%s,%d,%s,%d\n' \
	"$label" "$revision" "$cycle" \
	"$compositor_counters" "$client_counters" "$retained_layers" \
	"$client_buffer_bytes" "$stale_layers" \
	\| tee -a "$output_csv"
	}

	dump_niri_fdinfo() {
	local destination=$1
	: >"$destination"
	for fdinfo in "/proc/$niri_pid"/fdinfo/*; do
	if grep -q '^drm-client-id:' "$fdinfo" 2>/dev/null; then
	printf '\n== %s ==\n' "$fdinfo" >>"$destination"
	cat "$fdinfo" >>"$destination"
	fi
	done
	}

	printf '%s\n' \
	'variant,revision,cycle,niri_total_kib,niri_shared_kib,niri_resident_kib,niri_rss_kib,client_total_kib,client_shared_kib,client_resident_kib,client_rss_kib,visible_layers,client_buffer_bytes,stale_mapped_layers' \
	>"$output_csv"

	start_client
	sleep "$settle_seconds"
	dump_niri_fdinfo "/tmp/$label-niri-fdinfo-start.txt"
	sample_cycle 0

	for ((cycle = 1; cycle <= cycles; cycle++)); do
	"$niri_bin" msg output "$output_name" off >/dev/null
	wait_for_client_exit
	sleep "$off_seconds"
	"$niri_bin" msg output "$output_name" on >/dev/null
	start_client
	sleep "$settle_seconds"
	sample_cycle "$cycle"
	done

	dump_niri_fdinfo "/tmp/$label-niri-fdinfo-end.txt"
	"$niri_bin" msg layers >"/tmp/$label-final-layers.txt"

	: >"/tmp/$label-client-logs.txt"
	for client_log in "/tmp/$label-client-"*.log; do
	printf '== %s ==\n' "$client_log" >>"/tmp/$label-client-logs.txt"
	cat "$client_log" >>"/tmp/$label-client-logs.txt"
	done
	[package]
	name = "niri-layer-output-dmabuf-reproducer"
	version = "0.1.0"
	edition = "2021"
	publish = false

	[dependencies]
	anyhow = "1"
	gbm = { version = "0.18", default-features = false }
	wayland-client = "0.31"
	wayland-protocols = { version = "0.32", features = ["client"] }
	wayland-protocols-wlr = { version = "0.3", features = ["client"] }
	use std::fs::OpenOptions;
	use std::os::fd::AsFd;

	use anyhow::{Context, Result};
	use gbm::{BufferObjectFlags, Device, Format};
	use wayland_client::globals::{registry_queue_init, GlobalListContents};
	use wayland_client::protocol::{
	wl_buffer, wl_compositor, wl_output, wl_registry, wl_surface,
	};
	use wayland_client::{delegate_noop, Connection, Dispatch, QueueHandle};
	use wayland_protocols::wp::linux_dmabuf::zv1::client::{
	zwp_linux_buffer_params_v1, zwp_linux_dmabuf_v1,
	};
	use wayland_protocols_wlr::layer_shell::v1::client::{
	zwlr_layer_shell_v1, zwlr_layer_surface_v1,
	};

	#[derive(Default)]
	struct State {
	configure: Option<(u32, u32)>,
	closed: bool,
	}

	fn main() -> Result<()> {
	let render_node = std::env::args()
	.nth(1)
	.unwrap_or_else(\|\| "/dev/dri/renderD128".to_owned());
	let scale = std::env::var("BUFFER_SCALE")
	.ok()
	.and_then(\|value\| value.parse::<u32>().ok())
	.unwrap_or(2);

	let connection = Connection::connect_to_env().context("connect to Wayland compositor")?;
	let (globals, mut event_queue) =
	registry_queue_init::<State>(&connection).context("read Wayland globals")?;
	let qh = event_queue.handle();

	let compositor: wl_compositor::WlCompositor = globals
	.bind(&qh, 4..=6, ())
	.context("bind wl_compositor")?;
	let output: wl_output::WlOutput =
	globals.bind(&qh, 1..=4, ()).context("bind wl_output")?;
	let layer_shell: zwlr_layer_shell_v1::ZwlrLayerShellV1 = globals
	.bind(&qh, 1..=4, ())
	.context("bind zwlr_layer_shell_v1")?;
	let linux_dmabuf: zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1 = globals
	.bind(&qh, 3..=4, ())
	.context("bind zwp_linux_dmabuf_v1")?;

	let surface = compositor.create_surface(&qh, ());
	let layer_surface = layer_shell.get_layer_surface(
	&surface,
	Some(&output),
	zwlr_layer_shell_v1::Layer::Background,
	"niri-layer-output-dmabuf-reproducer".to_owned(),
	&qh,
	(),
	);
	layer_surface.set_anchor(
	zwlr_layer_surface_v1::Anchor::Top
	\| zwlr_layer_surface_v1::Anchor::Bottom
	\| zwlr_layer_surface_v1::Anchor::Left
	\| zwlr_layer_surface_v1::Anchor::Right,
	);
	layer_surface.set_exclusive_zone(-1);
	layer_surface.set_size(0, 0);
	surface.commit();
	connection.flush().context("send initial layer commit")?;

	let mut state = State::default();
	while state.configure.is_none() {
	event_queue
	.blocking_dispatch(&mut state)
	.context("wait for initial layer configure")?;
	}
	let (logical_width, logical_height) = state.configure.unwrap();
	let logical_width = logical_width.max(1);
	let logical_height = logical_height.max(1);
	let buffer_width = logical_width.checked_mul(scale).context("buffer width overflow")?;
	let buffer_height = logical_height.checked_mul(scale).context("buffer height overflow")?;

	let drm_file = OpenOptions::new()
	.read(true)
	.write(true)
	.open(&render_node)
	.with_context(\|\| format!("open render node {render_node}"))?;
	let gbm = Device::new(drm_file).context("create GBM device")?;
	let bo = gbm
	.create_buffer_object::<()>(
	buffer_width,
	buffer_height,
	Format::Argb8888,
	BufferObjectFlags::RENDERING \| BufferObjectFlags::LINEAR,
	)
	.context("allocate linear ARGB8888 GBM buffer")?;
	let dma_fd = bo.fd().context("export GBM buffer as DMA-BUF")?;
	let stride = bo.stride();
	let modifier: u64 = bo.modifier().into();

	let params = linux_dmabuf.create_params(&qh, ());
	params.add(
	dma_fd.as_fd(),
	0,
	0,
	stride,
	(modifier >> 32) as u32,
	modifier as u32,
	);
	let buffer = params.create_immed(
	buffer_width as i32,
	buffer_height as i32,
	Format::Argb8888 as u32,
	zwp_linux_buffer_params_v1::Flags::empty(),
	&qh,
	(),
	);
	params.destroy();

	surface.set_buffer_scale(scale as i32);
	surface.attach(Some(&buffer), 0, 0);
	surface.damage_buffer(0, 0, buffer_width as i32, buffer_height as i32);
	surface.commit();
	connection.flush().context("map DMA-BUF layer")?;
	println!(
	"READY logical={}x{} buffer={}x{} bytes={}",
	logical_width,
	logical_height,
	buffer_width,
	buffer_height,
	u64::from(stride) * u64::from(buffer_height)
	);

	while !state.closed {
	event_queue
	.blocking_dispatch(&mut state)
	.context("wait for layer close")?;
	}

	buffer.destroy();
	layer_surface.destroy();
	surface.destroy();
	connection.flush().context("send layer teardown")?;
	drop((dma_fd, bo, gbm));
	Ok(())
	}

	impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for State {
	fn event(
	_state: &mut Self,
	_proxy: &wl_registry::WlRegistry,
	_event: wl_registry::Event,
	_data: &GlobalListContents,
	_connection: &Connection,
	_qh: &QueueHandle<Self>,
	) {
	}
	}

	impl Dispatch<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1, ()> for State {
	fn event(
	state: &mut Self,
	layer_surface: &zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
	event: zwlr_layer_surface_v1::Event,
	_data: &(),
	_connection: &Connection,
	_qh: &QueueHandle<Self>,
	) {
	match event {
	zwlr_layer_surface_v1::Event::Configure {
	serial,
	width,
	height,
	} => {
	layer_surface.ack_configure(serial);
	state.configure = Some((width, height));
	}
	zwlr_layer_surface_v1::Event::Closed => state.closed = true,
	_ => {}
	}
	}
	}

	delegate_noop!(State: ignore wl_compositor::WlCompositor);
	delegate_noop!(State: ignore wl_output::WlOutput);
	delegate_noop!(State: ignore wl_surface::WlSurface);
	delegate_noop!(State: ignore wl_buffer::WlBuffer);
	delegate_noop!(State: ignore zwlr_layer_shell_v1::ZwlrLayerShellV1);
	delegate_noop!(State: ignore zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1);
	delegate_noop!(State: ignore zwp_linux_buffer_params_v1::ZwpLinuxBufferParamsV1);