vext01’s gists

vext01 / gnutls

Created December 16, 2021 11:17

	arrakis:edd> gnutls-cli irc.blitzed.org:6697
	Processed 123 CA certificate(s).
	Resolving 'irc.blitzed.org:6697'...
	Connecting to '85.119.83.150:6697'...
	- Successfully sent 0 certificate(s) to server.
	- Server has requested a certificate.
	- Certificate type: X.509
	- Got a certificate list of 4 certificates.
	- Certificate[0] info:
	- subject `CN=*.blitzed.org', issuer `CN=R3,O=Let's Encrypt,C=US', serial 0x0462b636d0aa4de3da3cc05422a1ad6b085b, RSA key 4096 bits, signed using RSA-SHA256, activated `2021-11-01 18:22:47 UTC', expires `2022-01-30 18:22:46 UTC', pin-sha256="GBGqeJehosOF0XMyYVU4Eyc2kcj/Uf9+tYcylkgoEx8="

vext01 / weechat log

Created December 16, 2021 11:15

	11:14 -- irc: reconnecting to server...
	11:14 -- irc: connecting to server irc.blitzed.org/6697 (SSL)...
	11:14 -- gnutls: receiving 4 certificates
	11:14 -- - certificate[1] info:
	11:14 -- - subject `CN=*.blitzed.org', issuer `CN=R3,O=Let's Encrypt,C=US', serial 0x0462b636d0aa4de3da3cc05422a1ad6b085b, RSA key 4096 bits, signed using RSA-SHA256, activated `2021-11-01 18:22:47 UTC', expires `2022-01-30 18:22:46 UTC', pin-sha256="GBGqeJehosOF0XMyYVU4Eyc2kcj/Uf9+tYcylkgoEx8="
	11:14 -- - certificate[2] info:
	11:14 -- - subject `CN=*.blitzed.org', issuer `CN=R3,O=Let's Encrypt,C=US', serial 0x0462b636d0aa4de3da3cc05422a1ad6b085b, RSA key 4096 bits, signed using RSA-SHA256, activated `2021-11-01 18:22:47 UTC', expires `2022-01-30 18:22:46 UTC', pin-sha256="GBGqeJehosOF0XMyYVU4Eyc2kcj/Uf9+tYcylkgoEx8="
	11:14 -- - certificate[3] info:
	11:14 -- - subject `CN=R3,O=Let's Encrypt,C=US', issuer `CN=ISRG Root X1,O=Internet Security Research Group,C=US', serial 0x00912b084acf0c18a753f6d62e25a75f5a, RSA key 2048 bi

vext01 / gist:67b75ebaaef189a85ea2ef8e4c630df0

Created December 9, 2021 16:13

control point

	define %YkCtrlPointVars @yk_new_control_point(%struct.YkLocation* %0, %YkCtrlPointVars %1) {
	%3 = bitcast %struct.YkLocation* %0 to i8*
	%4 = call i64 @__ykrt_transition_location(i8* %3)
	switch i64 %4, label %5 [
	i64 1, label %10

vext01 / text.txt

Last active September 22, 2021 14:16

Blocking Optimsations

	TODO: convert to markdown.

	Consider the scenario where we want to benchmark some code:

	```
	start_time = time();
	bench_output = run_bench(bench_inputs);
	result = time() - start_time;
	```

vext01 / audio1.txt

Created September 21, 2021 09:36

Audio devs

	uaudio0 at uhub4 port 4 configuration 1 interface 1 "SteelSeries SteelSeries Arctis 1 Wireless" rev 1.10/1.05 addr 6
	uaudio0: class v1, full-speed, sync, channels: 2 play, 1 rec, 4 ctls
	audio1 at uaudio0


	name=uaudio0
	mode=
	pause=1
	active=0
	nblks=16

vext01 / error.txt

Created August 27, 2021 11:45

Linkage error adding a new pass

	usr/bin/ld: ../../../../lib/libLLVMPasses.a(PassBuilder.cpp.o): in function `llvm::detail::PassModel<llvm::Function, llvm::YkTraceInputsPass, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&)':
	PassBuilder.cpp:(.text._ZN4llvm6detail9PassModelINS_8FunctionENS_17YkTraceInputsPassENS_17PreservedAnalysesENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS6_[_ZN4llvm6detail9PassModelINS_8FunctionENS_17YkTraceInputsPassENS_17PreservedAnalysesENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS6_]+0xa): undefined reference to `llvm::YkTraceInputsPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&)'
	collect2: error: ld returned 1 exit status

vext01 / dump.txt

Created June 18, 2021 12:49

trace dump


	1 --- Begin trace dump for __yk_compiled_trace_0 --- │ 1 --- Begin trace dump for __yk_compiled_trace_0 ---
	2 Trace \| AOT │ 2 Trace \| AOT
	3 # main() │ 3 %2 = alloca i8*, align 8
	4 %2 = alloca i8, align 8 \| %7 = alloca i8, align 8 │ 4 # main()
	5 store i8* null, i8** %2, align 8 \| store i8* %14, i8** %7, align 8 │ 5 store i8* null, i8** %2, align 8 \| store i8* %14, i8** %7, align 8
	6 %3 = alloca i32, align 4 │ 6 # f()
	7

vext01 / crash.md

Created February 1, 2021 20:19

sndiod crash

doas egdb sndiod -d -f rsnd/3

Remove device while something is playing:

Thread 1 received signal SIGSEGV, Segmentation fault.
0x0000056f09b6d1c0 in dev_abort (d=0x571c83b7000) at dev.c:1276
1276 if (c-&gt;opt-&gt;dev != d)

vext01 / crash.md

Created January 29, 2021 13:40

sndiod crash

uaudio2 at uhub8 port 4 configuration 1 interface 1 "SteelSeries SteelSeries Arctis 1 Wireless" rev 1.10/1.05 addr 7
uaudio2: class v1, full-speed, sync, channels: 2 play, 1 rec, 4 ctls
audio3 at uaudio2

$ doas egdb --args ./sndiod -d -f rsnd/3
...
(gdb) run

vext01 / bt

Created January 24, 2021 20:36

sndiod crash

	(gdb) bt
	#0 kill () at /tmp/-:3
	#1 0x00000601226f396a in panic () at utils.c:138
	#2 0x00000601226e57ed in slot_detach (s=0x601226f8990 <slot_array>) at dev.c:2278
	#3 0x00000601226e37c1 in slot_setopt (s=0x601226f8990 <slot_array>,
	o=0x603f26e6d00) at dev.c:2095
	#4 0x00000601226ed2bf in opt_setdev (o=0x603f26e6d00, d=<optimized out>)
	at opt.c:236
	#5 0x00000601226e2024 in ctl_setval (c=0x603af476100, val=1) at dev.c:2667
	#6 0x00000601226f1dac in sock_execmsg (f=0x6033f44dc00) at sock.c:1326

Edd Barrett vext01