backtrace from Stayfocusd crash

stayfocusd-gdb.txt

Starting program: /usr/lib/chromium/chromium --ssl-version-min=tls1 --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=15.0.0.189 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffea405700 (LWP 2307)]
[New Thread 0x7fffe9c04700 (LWP 2325)]
[New Thread 0x7fffe3fff700 (LWP 2328)]
[New Thread 0x7fffe37fe700 (LWP 2329)]
[New Thread 0x7fffe2ffd700 (LWP 2336)]
[New Thread 0x7fffe27fc700 (LWP 2340)]
[New Thread 0x7fffe84e0700 (LWP 2344)]
[New Thread 0x7fffe84bf700 (LWP 2345)]
[New Thread 0x7fffe1ffb700 (LWP 2346)]
[New Thread 0x7fffbf6e4700 (LWP 2353)]
[New Thread 0x7fffe8a43700 (LWP 2361)]
[New Thread 0x7fffbe14e700 (LWP 2362)]
[New Thread 0x7fffbd94d700 (LWP 2363)]
[New Thread 0x7fffbd14c700 (LWP 2364)]
[New Thread 0x7fffbc94b700 (LWP 2365)]
[New Thread 0x7fffb3ffe700 (LWP 2366)]
[New Thread 0x7fffb37fd700 (LWP 2367)]
[New Thread 0x7fffb2ffc700 (LWP 2368)]
[New Thread 0x7fffb27fb700 (LWP 2369)]
[New Thread 0x7fffb186e700 (LWP 2381)]
[New Thread 0x7fffb106d700 (LWP 2382)]
[New Thread 0x7fff83fff700 (LWP 2384)]
[New Thread 0x7fff837fe700 (LWP 2385)]
[New Thread 0x7fff82ffd700 (LWP 2387)]
[New Thread 0x7fff827fc700 (LWP 2389)]
[New Thread 0x7fff81ffb700 (LWP 2395)]
[New Thread 0x7fff817fa700 (LWP 2396)]
[New Thread 0x7fff80ff9700 (LWP 2397)]
[New Thread 0x7fff63fff700 (LWP 2398)]
[New Thread 0x7fff637fe700 (LWP 2399)]
[New Thread 0x7fff62ffd700 (LWP 2406)]
[Thread 0x7fff62ffd700 (LWP 2406) exited]
[New Thread 0x7fff62ffd700 (LWP 2415)]
[New Thread 0x7fff627fc700 (LWP 2416)]
[New Thread 0x7fff61ffb700 (LWP 2419)]
[Thread 0x7fff61ffb700 (LWP 2419) exited]
[New Thread 0x7fff61ffb700 (LWP 2421)]
[New Thread 0x7fff617fa700 (LWP 2424)]
[Thread 0x7fff617fa700 (LWP 2424) exited]
[New Thread 0x7fff617fa700 (LWP 2439)]
[Thread 0x7fff617fa700 (LWP 2439) exited]
[New Thread 0x7fff617fa700 (LWP 2448)]
[Thread 0x7fff617fa700 (LWP 2448) exited]
[New Thread 0x7fff617fa700 (LWP 2471)]
[Thread 0x7fff617fa700 (LWP 2471) exited]
[New Thread 0x7fff617fa700 (LWP 2475)]
[New Thread 0x7fff53fff700 (LWP 2478)]
[Thread 0x7fff53fff700 (LWP 2478) exited]
[New Thread 0x7fff53fff700 (LWP 2494)]
[Thread 0x7fff53fff700 (LWP 2494) exited]
[New Thread 0x7fff53fff700 (LWP 2508)]
[Thread 0x7fff53fff700 (LWP 2508) exited]
[New Thread 0x7fff53fff700 (LWP 2513)]
[Thread 0x7fff53fff700 (LWP 2513) exited]
[New Thread 0x7fffe0056700 (LWP 2521)]
[New Thread 0x7fff53fff700 (LWP 2525)]
[Thread 0x7fff53fff700 (LWP 2525) exited]
[New Thread 0x7fff53fff700 (LWP 2558)]
[Thread 0x7fff53fff700 (LWP 2558) exited]
[New Thread 0x7fff53fff700 (LWP 2568)]
[New Thread 0x7fff537fe700 (LWP 2572)]
[Thread 0x7fff53fff700 (LWP 2568) exited]
[New Thread 0x7fff53fff700 (LWP 2574)]
[Thread 0x7fff537fe700 (LWP 2572) exited]
[New Thread 0x7fff537fe700 (LWP 2689)]
[Thread 0x7fff61ffb700 (LWP 2421) exited]
[Thread 0x7fff537fe700 (LWP 2689) exited]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff1b8fd4f in gtk_widget_style_get_valist () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#0  0x00007ffff1b8fd4f in gtk_widget_style_get_valist () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#1  0x00007ffff1b90034 in gtk_widget_style_get () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#2  0x00007ffff1b900ed in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#3  0x00007ffff1b901b0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#4  0x00007ffff1b90298 in gtk_widget_queue_resize () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#5  0x00007ffff1b90558 in gtk_widget_show () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#6  0x0000555558b102e3 in libgtk2ui::Gtk2UI::DrawGtkButtonBorder (this=<optimized out>, gtk_state=<optimized out>, focused=true, 
    call_to_action=false, width=<optimized out>, height=<optimized out>) at ../../chrome/browser/ui/libgtk2ui/gtk2_ui.cc:1295
#7  0x0000555558b1c9cc in libgtk2ui::(anonymous namespace)::ButtonImageSkiaSource::GetImageForScale (this=<optimized out>, scale=1)
    at ../../chrome/browser/ui/libgtk2ui/gtk2_border.cc:54
#8  0x0000555556aa8f31 in gfx::internal::ImageSkiaStorage::FindRepresentation (this=0x55555bd20860, scale=1, fetch_new_image=<optimized out>)
    at ../../ui/gfx/image/image_skia.cc:215
#9  0x0000555556aa9339 in gfx::ImageSkia::GetRepresentation (this=0x55555bd00738, scale=0) at ../../ui/gfx/image/image_skia.cc:394
#10 0x0000555556a9b9e5 in gfx::Canvas::DrawImageInt (this=0x55555c4a5800, image=..., x=0, y=0, paint=...) at ../../ui/gfx/canvas.cc:339
#11 0x0000555556a9ab4a in gfx::Canvas::DrawImageInt (this=0x0, image=..., x=-256817600, y=1540498000) at ../../ui/gfx/canvas.cc:326
#12 0x0000555558b1c798 in libgtk2ui::Gtk2Border::PaintState (this=<optimized out>, state=<optimized out>, extra=..., rect=..., canvas=0x55555c4a5800)
    at ../../chrome/browser/ui/libgtk2ui/gtk2_border.cc:157
#13 0x0000555558b1c62a in libgtk2ui::Gtk2Border::Paint (this=0x55555bd00700, view=..., canvas=0x55555c4a5800)
    at ../../chrome/browser/ui/libgtk2ui/gtk2_border.cc:109
#14 0x0000555558988fa4 in views::View::OnPaintBorder (this=0x55555bd64e50, canvas=0x55555c4a5800) at ../../ui/views/view.cc:1381
#15 0x0000555558988c34 in views::View::OnPaint (this=0x55555bd64e50, canvas=0x55555c4a5800) at ../../ui/views/view.cc:1364
#16 0x000055555894478f in views::LabelButton::OnPaint (this=0x55555bd64e50, canvas=0x55555c4a5800)
    at ../../ui/views/controls/button/label_button.cc:352
#17 0x0000555558987056 in views::View::PaintCommon (this=0x55555bd64e50, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1766
#18 0x00005555589868b9 in views::View::Paint (this=0x55555bd64e50, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:826
#19 0x0000555558988a91 in views::View::PaintChildren (this=0x55555bd649e0, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1358
#20 0x0000555558987075 in views::View::PaintCommon (this=0x55555bd649e0, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1769
#21 0x00005555589868b9 in views::View::Paint (this=0x55555bd649e0, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:826
#22 0x0000555558988a91 in views::View::PaintChildren (this=0x55555c31e000, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1358
#23 0x0000555558987075 in views::View::PaintCommon (this=0x55555c31e000, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1769
#24 0x00005555589868b9 in views::View::Paint (this=0x55555c31e000, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:826
#25 0x0000555558988a91 in views::View::PaintChildren (this=0x55555bd65f10, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1358
#26 0x0000555558987075 in views::View::PaintCommon (this=0x55555bd65f10, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1769
#27 0x0000555558986b99 in views::View::Paint (this=0x55555bd65f10, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:823
#28 0x000055555899787f in views::Widget::OnNativeWidgetPaint (this=<optimized out>, canvas=0x55555c4a5800) at ../../ui/views/widget/widget.cc:1166
#29 0x0000555556bfebe2 in Paint (this=0x55555c399ab0, canvas=<optimized out>) at ../../ui/aura/window.cc:950
#30 aura::Window::OnPaintLayer (this=0x55555c399ab0, canvas=0x55555c4a5800) at ../../ui/aura/window.cc:1356
#31 0x0000555556c0dd9a in ui::Layer::PaintContents (this=<optimized out>, sk_canvas=<optimized out>, clip=..., opaque=0x55555bd22250, 
    gc_status=(unknown: 4160399616)) at ../../ui/compositor/layer.cc:705
#32 0x0000555556c462a1 in cc::ContentLayerUpdater::PaintContents (this=0x55555bd199e0, canvas=0x55555c364100, content_rect=..., 
    contents_width_scale=1, contents_height_scale=1, resulting_opaque_rect=0x7fffffffc850) at ../../cc/resources/content_layer_updater.cc:75
#33 0x0000555556c458c0 in cc::BitmapContentLayerUpdater::PrepareToUpdate (this=0x55555bd199e0, content_rect=..., tile_size=..., 
    contents_width_scale=<optimized out>, contents_height_scale=<optimized out>, resulting_opaque_rect=0x7fffffffc850)
    at ../../cc/resources/bitmap_content_layer_updater.cc:78
#34 0x0000555556c3b6f4 in cc::TiledLayer::UpdateTileTextures (this=0x55555bfd5dd0, update_rect=..., paint_rect=..., left=<optimized out>, top=0, 
    right=0, bottom=<optimized out>, queue=<optimized out>, occlusion=<optimized out>) at ../../cc/layers/tiled_layer.cc:480
#35 0x0000555556c3b38e in cc::TiledLayer::UpdateTiles (this=0x55555bfd5dd0, left=0, top=0, right=0, bottom=0, queue=0x55555c3008d0, 
    occlusion=<optimized out>, updated=<optimized out>) at ../../cc/layers/tiled_layer.cc:345
#36 0x0000555556c3c781 in cc::TiledLayer::Update (this=0x55555bfd5dd0, queue=0x55555c3008d0, occlusion=0x7fffffffd3d0)
    at ../../cc/layers/tiled_layer.cc:760
#37 0x0000555556c7aad7 in cc::LayerTreeHost::PaintLayerContents (this=0x55555c3639d0, render_surface_layer_list=..., queue=0x55555c3008d0, 
    did_paint_content=0x7fffffffd4ff, need_more_updates=0x7fffffffd4fe) at ../../cc/trees/layer_tree_host.cc:1018
#38 0x0000555556c7a2a5 in cc::LayerTreeHost::UpdateLayers (this=0x55555c3639d0, root_layer=<optimized out>, queue=0x55555c3008d0)
    at ../../cc/trees/layer_tree_host.cc:853
#39 0x0000555556c79e80 in cc::LayerTreeHost::UpdateLayers (this=0x55555c3639d0, queue=0x0) at ../../cc/trees/layer_tree_host.cc:720
#40 0x0000555556c9ee5e in cc::SingleThreadProxy::CompositeImmediately (this=0x55555c454dd0, frame_begin_time=...)
    at ../../cc/trees/single_thread_proxy.cc:350
#41 0x0000555556c07592 in ui::Compositor::Draw (this=0x55555c4accd0) at ../../ui/compositor/compositor.cc:230
#42 0x00005555564b7ab8 in Run (this=<optimized out>) at ../../base/callback.h:401
#43 base::debug::TaskAnnotator::RunTask (this=<optimized out>, queue_function=<optimized out>, run_function=<optimized out>, pending_task=...)
    at ../../base/debug/task_annotator.cc:62
#44 0x0000555556476a22 in base::MessageLoop::RunTask (this=0x55555b87c400, pending_task=...) at ../../base/message_loop/message_loop.cc:446
#45 0x0000555556477026 in DeferOrRunPendingTask (this=<optimized out>, pending_task=...) at ../../base/message_loop/message_loop.cc:456
#46 base::MessageLoop::DoWork (this=0x55555b87c400) at ../../base/message_loop/message_loop.cc:565
#47 0x00005555564afca9 in base::MessagePumpGlib::Run (this=0x55555b86efc0, delegate=<optimized out>)
    at ../../base/message_loop/message_pump_glib.cc:313
#48 0x0000555556489c51 in base::RunLoop::Run (this=0x7fffffffdc90) at ../../base/run_loop.cc:49
#49 0x000055555616e32a in ChromeBrowserMainParts::MainMessageLoopRun (this=0x55555b6e9b50, result_code=<optimized out>)
    at ../../chrome/browser/chrome_browser_main.cc:1608
#50 0x000055555801f564 in content::BrowserMainLoop::RunMainMessageLoopParts (this=0x55555b6e99a0) at ../../content/browser/browser_main_loop.cc:751
#51 0x000055555802215d in content::BrowserMainRunnerImpl::Run (this=0x55555b6e9680) at ../../content/browser/browser_main_runner.cc:205
#52 0x000055555801aee4 in content::BrowserMain (parameters=...) at ../../content/browser/browser_main.cc:26
#53 0x0000555556440071 in content::ContentMainRunnerImpl::Run (this=0x55555b6da270) at ../../content/app/content_main_runner.cc:764
#54 0x000055555643edb0 in content::ContentMain (params=...) at ../../content/app/content_main.cc:19
#55 0x0000555555e9dec8 in ChromeMain (argc=4, argv=0x7fffffffdf58) at ../../chrome/app/chrome_main.cc:57
#56 0x00007ffff0792b45 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#57 0x0000555555e9dd6f in _start ()

Thread 51 (Thread 0x7fff53fff700 (LWP 2574)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x000055555649fdc7 in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x7fff98005b20, this_worker=0x7fff54002e10)
    at ../../base/threading/sequenced_worker_pool.cc:808
#2  0x000055555649f337 in base::SequencedWorkerPool::Worker::Run (this=0x7fff54002e10) at ../../base/threading/sequenced_worker_pool.cc:508
#3  0x00005555564a229c in base::SimpleThread::ThreadMain (this=0x7fff54002e10) at ../../base/threading/simple_thread.cc:60
#4  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 46 (Thread 0x7fffe0056700 (LWP 2521)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x7fffd40073c0, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555564a55ed in base::PosixDynamicThreadPool::WaitForTask (this=0x7fffd4007380) at ../../base/threading/worker_pool_posix.cc:185
#3  0x00005555564a5af4 in base::(anonymous namespace)::WorkerThread::ThreadMain (this=0x7fff8c4a9300) at ../../base/threading/worker_pool_posix.cc:91
#4  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 41 (Thread 0x7fff617fa700 (LWP 2475)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x000055555649fdc7 in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x7fff98005b20, this_worker=0x7fff98005fd0)
    at ../../base/threading/sequenced_worker_pool.cc:808
#2  0x000055555649f337 in base::SequencedWorkerPool::Worker::Run (this=0x7fff98005fd0) at ../../base/threading/sequenced_worker_pool.cc:508
#3  0x00005555564a229c in base::SimpleThread::ThreadMain (this=0x7fff98005fd0) at ../../base/threading/simple_thread.cc:60
#4  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 34 (Thread 0x7fff627fc700 (LWP 2416)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x55555c0098c0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fff627fbafc) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x55555c0098b0, delegate=0x55555c009ac0)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fff627fbbf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x7fff94002980) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 33 (Thread 0x7fff62ffd700 (LWP 2415)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x7fff62ffcb18, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x0000555556499e2c in base::WaitableEvent::TimedWait (this=0x7fff580012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:214
#3  0x0000555556478c16 in base::MessagePumpDefault::Run (this=0x7fff580012c0, delegate=0x7fff58000940)
    at ../../base/message_loop/message_pump_default.cc:56
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fff62ffcbf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555bf310b0) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 31 (Thread 0x7fff637fe700 (LWP 2399)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fff540012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fff637fdafc) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fff540012c0, delegate=0x7fff54000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fff637fdbf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x7fff94002820) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 30 (Thread 0x7fff63fff700 (LWP 2398)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x000055555649fdc7 in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x7fff8c0039a0, this_worker=0x7fff8c08f600)
    at ../../base/threading/sequenced_worker_pool.cc:808
#2  0x000055555649f337 in base::SequencedWorkerPool::Worker::Run (this=0x7fff8c08f600) at ../../base/threading/sequenced_worker_pool.cc:508
#3  0x00005555564a229c in base::SimpleThread::ThreadMain (this=0x7fff8c08f600) at ../../base/threading/simple_thread.cc:60
#4  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 29 (Thread 0x7fff80ff9700 (LWP 2397)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x55555b87f2b0, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x000055555649fd56 in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x55555b87f280, this_worker=0x7fffa40271f0)
    at ../../base/threading/sequenced_worker_pool.cc:811
#3  0x000055555649f337 in base::SequencedWorkerPool::Worker::Run (this=0x7fffa40271f0) at ../../base/threading/sequenced_worker_pool.cc:508
#4  0x00005555564a229c in base::SimpleThread::ThreadMain (this=0x7fffa40271f0) at ../../base/threading/simple_thread.cc:60
#5  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#6  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 28 (Thread 0x7fff817fa700 (LWP 2396)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x55555bd972b8, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555564a4b7a in base::Watchdog::ThreadDelegate::ThreadMain (this=0x55555bd97318) at ../../base/threading/watchdog.cc:136
#3  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#4  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 27 (Thread 0x7fff81ffb700 (LWP 2395)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fff700012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fff81ffaafc) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fff700012c0, delegate=0x7fff70000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fff81ffabf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x7fff8c080880) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 26 (Thread 0x7fff827fc700 (LWP 2389)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fff6c0012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fff827fbafc) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fff6c0012c0, delegate=0x7fff6c000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fff827fbbf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x7fff8c065940) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 25 (Thread 0x7fff82ffd700 (LWP 2387)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fff780012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fff82ffcafc) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fff780012c0, delegate=0x7fff78000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fff82ffcbf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x7fff8c50fa00) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 24 (Thread 0x7fff837fe700 (LWP 2385)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fff740012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fff837fdafc) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fff740012c0, delegate=0x7fff74000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fff837fdbf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x7fff94002190) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 23 (Thread 0x7fff83fff700 (LWP 2384)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556d2ada8 in mojo::system::Waiter::Wait (this=0x7fff83ffe468, deadline=<optimized out>, context=0x7fff83ffe57c)
    at ../../mojo/system/waiter.cc:62
#2  0x0000555556d1c0ca in mojo::system::Core::WaitManyInternal (this=<optimized out>, handles=<optimized out>, signals=<optimized out>, 
    num_handles=56, deadline=18446744073709551615, result_index=0x7fff83ffe57c, signals_states=<optimized out>) at ../../mojo/system/core.cc:589
#3  0x0000555556d1c3b8 in mojo::system::Core::WaitMany (this=0x55555b6dbb90, handles=..., signals=..., num_handles=56, deadline=18446744073709551615, 
    result_index=..., signals_states=...) at ../../mojo/system/core.cc:155
#4  0x0000555556d1f543 in MojoWaitMany (handles=<optimized out>, signals=<optimized out>, num_handles=4294967295, deadline=140735407973376)
    at ../../mojo/system/entrypoints.cc:56
#5  0x0000555559841b5b in WaitMany<std::vector<mojo::Handle, std::allocator<mojo::Handle> >, std::vector<unsigned int, std::allocator<unsigned int> > > (handles=..., signals=..., deadline=<optimized out>) at ../../mojo/public/cpp/system/handle.h:217
#6  mojo::common::MessagePumpMojo::DoInternalWork (this=<optimized out>, run_state=..., block=<optimized out>)
    at ../../mojo/common/message_pump_mojo.cc:158
#7  0x00005555598418a3 in mojo::common::MessagePumpMojo::DoRunLoop (this=<optimized out>, run_state=<optimized out>, delegate=<optimized out>)
    at ../../mojo/common/message_pump_mojo.cc:127
#8  0x000055555984180f in mojo::common::MessagePumpMojo::Run (this=0x7fff7c000ac0, delegate=0x7fff7c000940)
    at ../../mojo/common/message_pump_mojo.cc:96
#9  0x0000555556489c51 in base::RunLoop::Run (this=0x7fff83ffebf0) at ../../base/run_loop.cc:49
#10 0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#11 0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555bb22650) at ../../base/threading/thread.cc:228
#12 0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#13 0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 22 (Thread 0x7fffb106d700 (LWP 2382)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x55555b87f2b0, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x000055555649fd56 in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x55555b87f280, this_worker=0x7fffa4001b40)
    at ../../base/threading/sequenced_worker_pool.cc:811
#3  0x000055555649f337 in base::SequencedWorkerPool::Worker::Run (this=0x7fffa4001b40) at ../../base/threading/sequenced_worker_pool.cc:508
#4  0x00005555564a229c in base::SimpleThread::ThreadMain (this=0x7fffa4001b40) at ../../base/threading/simple_thread.cc:60
#5  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#6  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 21 (Thread 0x7fffb186e700 (LWP 2381)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x7fffb186db18, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x0000555556499e2c in base::WaitableEvent::TimedWait (this=0x7fff840012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:214
#3  0x0000555556478c16 in base::MessagePumpDefault::Run (this=0x7fff840012c0, delegate=0x7fff84000940)
    at ../../base/message_loop/message_pump_default.cc:56
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffb186dbf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b904850) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7fffb27fb700 (LWP 2369)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fff900012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fffb27faafc) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fff900012c0, delegate=0x7fff90000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffb27fabf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b8ca4f0) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7fffb2ffc700 (LWP 2368)):
#0  0x00007ffff08572a3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00005555564c39b8 in epoll_dispatch (base=0x7fff8c001330, arg=0x7fff8c001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x00005555564c14cf in event_base_loop (base=0x7fff8c001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x0000555556444d45 in base::MessagePumpLibevent::Run (this=0x7fff8c0012c0, delegate=0x7fff8c000940)
    at ../../base/message_loop/message_pump_libevent.cc:269
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffb2ffb890) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x0000555558023726 in content::BrowserThreadImpl::IOThreadRun (this=0x2f, message_loop=0x7fff8c001960)
    at ../../content/browser/browser_thread_impl.cc:217
#7  0x00005555580238dd in content::BrowserThreadImpl::Run (this=0x55555b8cb0f0, message_loop=0x7fff8c000940)
    at ../../content/browser/browser_thread_impl.cc:252
#8  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b8cb0f0) at ../../base/threading/thread.cc:228
#9  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#10 0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7fffb37fd700 (LWP 2367)):
#0  0x00007ffff08572a3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00005555564c39b8 in epoll_dispatch (base=0x7fff98001330, arg=0x7fff98001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x00005555564c14cf in event_base_loop (base=0x7fff98001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x0000555556444d45 in base::MessagePumpLibevent::Run (this=0x7fff980012c0, delegate=0x7fff98000940)
    at ../../base/message_loop/message_pump_libevent.cc:269
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffb37fc890) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x0000555558023686 in content::BrowserThreadImpl::CacheThreadRun (this=0x2a, message_loop=0x7fff98001960)
    at ../../content/browser/browser_thread_impl.cc:211
#7  0x00005555580238ba in content::BrowserThreadImpl::Run (this=0x55555b8ca980, message_loop=0x7fff98000940)
    at ../../content/browser/browser_thread_impl.cc:250
#8  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b8ca980) at ../../base/threading/thread.cc:228
#9  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#10 0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7fffb3ffe700 (LWP 2366)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fff940012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fffb3ffd79c) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fff940012c0, delegate=0x7fff94000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffb3ffd890) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555580235e6 in content::BrowserThreadImpl::ProcessLauncherThreadRun (this=0x7fffb3ffd79c, message_loop=0x80)
    at ../../content/browser/browser_thread_impl.cc:204
#7  0x00005555580238ad in content::BrowserThreadImpl::Run (this=0x55555b8ca8b0, message_loop=0x7fff94000940)
    at ../../content/browser/browser_thread_impl.cc:248
#8  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b8ca8b0) at ../../base/threading/thread.cc:228
#9  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#10 0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 16 (Thread 0x7fffbc94b700 (LWP 2365)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fffa00012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fffbc94a79c) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fffa00012c0, delegate=0x7fffa0000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffbc94a890) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x0000555558023546 in content::BrowserThreadImpl::FileUserBlockingThreadRun (this=0x7fffbc94a79c, message_loop=0x80)
    at ../../content/browser/browser_thread_impl.cc:197
#7  0x0000555558023886 in content::BrowserThreadImpl::Run (this=0x55555b8cb010, message_loop=0x7fffa0000940)
    at ../../content/browser/browser_thread_impl.cc:246
#8  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b8cb010) at ../../base/threading/thread.cc:228
#9  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#10 0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7fffbd14c700 (LWP 2364)):
#0  0x00007ffff08572a3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00005555564c39b8 in epoll_dispatch (base=0x7fff9c001330, arg=0x7fff9c001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x00005555564c14cf in event_base_loop (base=0x7fff9c001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x0000555556444d45 in base::MessagePumpLibevent::Run (this=0x7fff9c0012c0, delegate=0x7fff9c000940)
    at ../../base/message_loop/message_pump_libevent.cc:269
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffbd14b890) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555580234a6 in content::BrowserThreadImpl::FileThreadRun (this=0x25, message_loop=0x7fff9c001960)
    at ../../content/browser/browser_thread_impl.cc:190
#7  0x0000555558023879 in content::BrowserThreadImpl::Run (this=0x55555b8cae20, message_loop=0x7fff9c000940)
    at ../../content/browser/browser_thread_impl.cc:244
#8  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b8cae20) at ../../base/threading/thread.cc:228
#9  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#10 0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 14 (Thread 0x7fffbd94d700 (LWP 2363)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x7fffbd94c7b8, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x0000555556499e2c in base::WaitableEvent::TimedWait (this=0x7fffa80012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:214
#3  0x0000555556478c16 in base::MessagePumpDefault::Run (this=0x7fffa80012c0, delegate=0x7fffa8000940)
    at ../../base/message_loop/message_pump_default.cc:56
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffbd94c890) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x0000555558023406 in content::BrowserThreadImpl::DBThreadRun (this=0x7fffbd94c7bc, message_loop=0x89)
    at ../../content/browser/browser_thread_impl.cc:183
#7  0x0000555558023852 in content::BrowserThreadImpl::Run (this=0x55555b8c7cb0, message_loop=0x7fffa8000940)
    at ../../content/browser/browser_thread_impl.cc:242
#8  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b8c7cb0) at ../../base/threading/thread.cc:228
#9  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#10 0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7fffbe14e700 (LWP 2362)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x55555b87f2b0, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x000055555649fd56 in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x55555b87f280, this_worker=0x55555b8aa320)
    at ../../base/threading/sequenced_worker_pool.cc:811
#3  0x000055555649f337 in base::SequencedWorkerPool::Worker::Run (this=0x55555b8aa320) at ../../base/threading/sequenced_worker_pool.cc:508
#4  0x00005555564a229c in base::SimpleThread::ThreadMain (this=0x55555b8aa320) at ../../base/threading/simple_thread.cc:60
#5  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#6  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7fffe8a43700 (LWP 2361)):
#0  0x00007ffff0b28add in read () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x000055555611119f in (anonymous namespace)::ShutdownDetector::ThreadMain (this=0x55555b88ed10)
    at ../../chrome/browser/chrome_browser_main_posix.cc:201
#2  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#3  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7fffbf6e4700 (LWP 2353)):
#0  0x00007ffff084e18d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fffe816fcc1 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fffe81612a1 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fffe816193e in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fffe81619f0 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fffe816fc56 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fffe13c5a98 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-5.0.so
#7  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7fffe1ffb700 (LWP 2346)):
#0  0x00007ffff0b2608f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000555556499e38 in base::WaitableEvent::TimedWait (this=0x7fffc40012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:216
#2  0x0000555556499cf5 in base::WaitableEvent::Wait (this=0x7fffe1ffaafc) at ../../base/synchronization/waitable_event_posix.cc:156
#3  0x0000555556478c20 in base::MessagePumpDefault::Run (this=0x7fffc40012c0, delegate=0x7fffc4000940)
    at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffe1ffabf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b880760) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7fffe84bf700 (LWP 2345)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x7fffd40073c0, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555564a55ed in base::PosixDynamicThreadPool::WaitForTask (this=0x7fffd4007380) at ../../base/threading/worker_pool_posix.cc:185
#3  0x00005555564a5af4 in base::(anonymous namespace)::WorkerThread::ThreadMain (this=0x7fffd4003520) at ../../base/threading/worker_pool_posix.cc:91
#4  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7fffe84e0700 (LWP 2344)):
#0  0x00007ffff0b26438 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00005555564bd343 in base::ConditionVariable::TimedWait (this=0x7fffd40073c0, max_time=...)
    at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555564a55ed in base::PosixDynamicThreadPool::WaitForTask (this=0x7fffd4007380) at ../../base/threading/worker_pool_posix.cc:185
#3  0x00005555564a5af4 in base::(anonymous namespace)::WorkerThread::ThreadMain (this=0x7fffd40066d0) at ../../base/threading/worker_pool_posix.cc:91
#4  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7fffe27fc700 (LWP 2340)):
#0  0x00007ffff084ff33 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x0000555556463268 in base::(anonymous namespace)::InotifyReaderCallback (
    reader=0x55555b672fb8 <base::(anonymous namespace)::g_inotify_reader+8>, inotify_fd=25, shutdown_fd=<optimized out>)
    at ../../base/files/file_path_watcher_linux.cc:210
#2  0x00005555564b7ab8 in Run (this=<optimized out>) at ../../base/callback.h:401
#3  base::debug::TaskAnnotator::RunTask (this=<optimized out>, queue_function=<optimized out>, run_function=<optimized out>, pending_task=...)
    at ../../base/debug/task_annotator.cc:62
#4  0x0000555556476a22 in base::MessageLoop::RunTask (this=0x7fffc8000940, pending_task=...) at ../../base/message_loop/message_loop.cc:446
#5  0x0000555556477026 in DeferOrRunPendingTask (this=<optimized out>, pending_task=...) at ../../base/message_loop/message_loop.cc:456
#6  base::MessageLoop::DoWork (this=0x7fffc8000940) at ../../base/message_loop/message_loop.cc:565
#7  0x0000555556478c3a in base::MessagePumpDefault::Run (this=0x7fffc80012c0, delegate=0x7fffc8000940)
    at ../../base/message_loop/message_pump_default.cc:32
#8  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffe27fbbf0) at ../../base/run_loop.cc:49
#9  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#10 0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b673008 <base::(anonymous namespace)::g_inotify_reader+88>)
    at ../../base/threading/thread.cc:228
#11 0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#12 0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7fffe2ffd700 (LWP 2336)):
#0  0x00007ffff08572a3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00005555564c39b8 in epoll_dispatch (base=0x7fffd4001330, arg=0x7fffd4001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x00005555564c14cf in event_base_loop (base=0x7fffd4001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x0000555556444d5d in base::MessagePumpLibevent::Run (this=0x7fffd40012c0, delegate=0x7fffd4000940)
    at ../../base/message_loop/message_pump_libevent.cc:259
#4  0x0000555556489c51 in base::RunLoop::Run (this=0x7fffe2ffcbf0) at ../../base/run_loop.cc:49
#5  0x0000555556476157 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:308
#6  0x00005555564a2a77 in base::Thread::ThreadMain (this=0x55555b87fc20) at ../../base/threading/thread.cc:228
#7  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#8  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7fffe37fe700 (LWP 2329)):
#0  0x00007ffff084e18d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff74b7ee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff74b7ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff74b8039 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff74de925 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7fffe3fff700 (LWP 2328)):
#0  0x00007ffff084e18d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff74b7ee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff74b8272 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff65e8f06 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff74de925 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7fffe9c04700 (LWP 2325)):
#0  0x00007ffff0b294c9 in waitpid () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x000055555648359d in WaitForChildToDie (this=<optimized out>) at ../../base/process/kill_posix.cc:421
#2  base::(anonymous namespace)::BackgroundReaper::ThreadMain (this=0x55555b6bfab0) at ../../base/process/kill_posix.cc:414
#3  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#4  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7fffea405700 (LWP 2307)):
#0  0x00007ffff084e18d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x0000555558106d72 in content::SandboxIPCHandler::Run (this=0x55555b6ea620) at ../../content/browser/renderer_host/sandbox_ipc_linux.cc:91
#2  0x00005555564a23ae in base::DelegateSimpleThread::Run (this=0x55555b6ea650) at ../../base/threading/simple_thread.cc:81
#3  0x00005555564a229c in base::SimpleThread::ThreadMain (this=0x55555b6ea650) at ../../base/threading/simple_thread.cc:60
#4  0x000055555649ed03 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:80
#5  0x00007ffff0b220a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffff0856ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7ffff7faa9c0 (LWP 2137)):
#0  0x00007ffff1b8fd4f in gtk_widget_style_get_valist () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#1  0x00007ffff1b90034 in gtk_widget_style_get () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#2  0x00007ffff1b900ed in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#3  0x00007ffff1b901b0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#4  0x00007ffff1b90298 in gtk_widget_queue_resize () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#5  0x00007ffff1b90558 in gtk_widget_show () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#6  0x0000555558b102e3 in libgtk2ui::Gtk2UI::DrawGtkButtonBorder (this=<optimized out>, gtk_state=<optimized out>, focused=true, 
    call_to_action=false, width=<optimized out>, height=<optimized out>) at ../../chrome/browser/ui/libgtk2ui/gtk2_ui.cc:1295
#7  0x0000555558b1c9cc in libgtk2ui::(anonymous namespace)::ButtonImageSkiaSource::GetImageForScale (this=<optimized out>, scale=1)
    at ../../chrome/browser/ui/libgtk2ui/gtk2_border.cc:54
#8  0x0000555556aa8f31 in gfx::internal::ImageSkiaStorage::FindRepresentation (this=0x55555bd20860, scale=1, fetch_new_image=<optimized out>)
    at ../../ui/gfx/image/image_skia.cc:215
#9  0x0000555556aa9339 in gfx::ImageSkia::GetRepresentation (this=0x55555bd00738, scale=0) at ../../ui/gfx/image/image_skia.cc:394
#10 0x0000555556a9b9e5 in gfx::Canvas::DrawImageInt (this=0x55555c4a5800, image=..., x=0, y=0, paint=...) at ../../ui/gfx/canvas.cc:339
#11 0x0000555556a9ab4a in gfx::Canvas::DrawImageInt (this=0x0, image=..., x=-256817600, y=1540498000) at ../../ui/gfx/canvas.cc:326
#12 0x0000555558b1c798 in libgtk2ui::Gtk2Border::PaintState (this=<optimized out>, state=<optimized out>, extra=..., rect=..., canvas=0x55555c4a5800)
    at ../../chrome/browser/ui/libgtk2ui/gtk2_border.cc:157
#13 0x0000555558b1c62a in libgtk2ui::Gtk2Border::Paint (this=0x55555bd00700, view=..., canvas=0x55555c4a5800)
    at ../../chrome/browser/ui/libgtk2ui/gtk2_border.cc:109
#14 0x0000555558988fa4 in views::View::OnPaintBorder (this=0x55555bd64e50, canvas=0x55555c4a5800) at ../../ui/views/view.cc:1381
#15 0x0000555558988c34 in views::View::OnPaint (this=0x55555bd64e50, canvas=0x55555c4a5800) at ../../ui/views/view.cc:1364
#16 0x000055555894478f in views::LabelButton::OnPaint (this=0x55555bd64e50, canvas=0x55555c4a5800)
    at ../../ui/views/controls/button/label_button.cc:352
#17 0x0000555558987056 in views::View::PaintCommon (this=0x55555bd64e50, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1766
#18 0x00005555589868b9 in views::View::Paint (this=0x55555bd64e50, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:826
#19 0x0000555558988a91 in views::View::PaintChildren (this=0x55555bd649e0, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1358
#20 0x0000555558987075 in views::View::PaintCommon (this=0x55555bd649e0, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1769
#21 0x00005555589868b9 in views::View::Paint (this=0x55555bd649e0, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:826
#22 0x0000555558988a91 in views::View::PaintChildren (this=0x55555c31e000, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1358
#23 0x0000555558987075 in views::View::PaintCommon (this=0x55555c31e000, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1769
#24 0x00005555589868b9 in views::View::Paint (this=0x55555c31e000, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:826
#25 0x0000555558988a91 in views::View::PaintChildren (this=0x55555bd65f10, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1358
#26 0x0000555558987075 in views::View::PaintCommon (this=0x55555bd65f10, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:1769
#27 0x0000555558986b99 in views::View::Paint (this=0x55555bd65f10, canvas=0x55555c4a5800, cull_set=...) at ../../ui/views/view.cc:823
#28 0x000055555899787f in views::Widget::OnNativeWidgetPaint (this=<optimized out>, canvas=0x55555c4a5800) at ../../ui/views/widget/widget.cc:1166
#29 0x0000555556bfebe2 in Paint (this=0x55555c399ab0, canvas=<optimized out>) at ../../ui/aura/window.cc:950
#30 aura::Window::OnPaintLayer (this=0x55555c399ab0, canvas=0x55555c4a5800) at ../../ui/aura/window.cc:1356
#31 0x0000555556c0dd9a in ui::Layer::PaintContents (this=<optimized out>, sk_canvas=<optimized out>, clip=..., opaque=0x55555bd22250, 
    gc_status=(unknown: 4160399616)) at ../../ui/compositor/layer.cc:705
#32 0x0000555556c462a1 in cc::ContentLayerUpdater::PaintContents (this=0x55555bd199e0, canvas=0x55555c364100, content_rect=..., 
    contents_width_scale=1, contents_height_scale=1, resulting_opaque_rect=0x7fffffffc850) at ../../cc/resources/content_layer_updater.cc:75
#33 0x0000555556c458c0 in cc::BitmapContentLayerUpdater::PrepareToUpdate (this=0x55555bd199e0, content_rect=..., tile_size=..., 
    contents_width_scale=<optimized out>, contents_height_scale=<optimized out>, resulting_opaque_rect=0x7fffffffc850)
    at ../../cc/resources/bitmap_content_layer_updater.cc:78
#34 0x0000555556c3b6f4 in cc::TiledLayer::UpdateTileTextures (this=0x55555bfd5dd0, update_rect=..., paint_rect=..., left=<optimized out>, top=0, 
    right=0, bottom=<optimized out>, queue=<optimized out>, occlusion=<optimized out>) at ../../cc/layers/tiled_layer.cc:480
#35 0x0000555556c3b38e in cc::TiledLayer::UpdateTiles (this=0x55555bfd5dd0, left=0, top=0, right=0, bottom=0, queue=0x55555c3008d0, 
    occlusion=<optimized out>, updated=<optimized out>) at ../../cc/layers/tiled_layer.cc:345
#36 0x0000555556c3c781 in cc::TiledLayer::Update (this=0x55555bfd5dd0, queue=0x55555c3008d0, occlusion=0x7fffffffd3d0)
    at ../../cc/layers/tiled_layer.cc:760
#37 0x0000555556c7aad7 in cc::LayerTreeHost::PaintLayerContents (this=0x55555c3639d0, render_surface_layer_list=..., queue=0x55555c3008d0, 
    did_paint_content=0x7fffffffd4ff, need_more_updates=0x7fffffffd4fe) at ../../cc/trees/layer_tree_host.cc:1018
#38 0x0000555556c7a2a5 in cc::LayerTreeHost::UpdateLayers (this=0x55555c3639d0, root_layer=<optimized out>, queue=0x55555c3008d0)
    at ../../cc/trees/layer_tree_host.cc:853
#39 0x0000555556c79e80 in cc::LayerTreeHost::UpdateLayers (this=0x55555c3639d0, queue=0x0) at ../../cc/trees/layer_tree_host.cc:720
#40 0x0000555556c9ee5e in cc::SingleThreadProxy::CompositeImmediately (this=0x55555c454dd0, frame_begin_time=...)
    at ../../cc/trees/single_thread_proxy.cc:350
#41 0x0000555556c07592 in ui::Compositor::Draw (this=0x55555c4accd0) at ../../ui/compositor/compositor.cc:230
#42 0x00005555564b7ab8 in Run (this=<optimized out>) at ../../base/callback.h:401
#43 base::debug::TaskAnnotator::RunTask (this=<optimized out>, queue_function=<optimized out>, run_function=<optimized out>, pending_task=...)
    at ../../base/debug/task_annotator.cc:62
#44 0x0000555556476a22 in base::MessageLoop::RunTask (this=0x55555b87c400, pending_task=...) at ../../base/message_loop/message_loop.cc:446
#45 0x0000555556477026 in DeferOrRunPendingTask (this=<optimized out>, pending_task=...) at ../../base/message_loop/message_loop.cc:456
#46 base::MessageLoop::DoWork (this=0x55555b87c400) at ../../base/message_loop/message_loop.cc:565
#47 0x00005555564afca9 in base::MessagePumpGlib::Run (this=0x55555b86efc0, delegate=<optimized out>)
    at ../../base/message_loop/message_pump_glib.cc:313
#48 0x0000555556489c51 in base::RunLoop::Run (this=0x7fffffffdc90) at ../../base/run_loop.cc:49
#49 0x000055555616e32a in ChromeBrowserMainParts::MainMessageLoopRun (this=0x55555b6e9b50, result_code=<optimized out>)
    at ../../chrome/browser/chrome_browser_main.cc:1608
#50 0x000055555801f564 in content::BrowserMainLoop::RunMainMessageLoopParts (this=0x55555b6e99a0) at ../../content/browser/browser_main_loop.cc:751
#51 0x000055555802215d in content::BrowserMainRunnerImpl::Run (this=0x55555b6e9680) at ../../content/browser/browser_main_runner.cc:205
#52 0x000055555801aee4 in content::BrowserMain (parameters=...) at ../../content/browser/browser_main.cc:26
#53 0x0000555556440071 in content::ContentMainRunnerImpl::Run (this=0x55555b6da270) at ../../content/app/content_main_runner.cc:764
#54 0x000055555643edb0 in content::ContentMain (params=...) at ../../content/app/content_main.cc:19
#55 0x0000555555e9dec8 in ChromeMain (argc=4, argv=0x7fffffffdf58) at ../../chrome/app/chrome_main.cc:57
#56 0x00007ffff0792b45 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#57 0x0000555555e9dd6f in _start ()
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