GNU bug report logs - #41987
ungoogled-chromium: crash when playing videos

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jonathan Brielmaier <jonathan.brielmaier <at> web.de>
Subject: bug#41987: closed (Re: bug#41987: ungoogled-chromium: crash when
 playing videos)
Date: Mon, 22 Jun 2020 15:21:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#41987: ungoogled-chromium: crash when playing videos

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 41987 <at> debbugs.gnu.org.

-- 
41987: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41987
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Marius Bakke <marius <at> gnu.org>
To: "Boris A. Dekshteyn" <boris.dekshteyn <at> gmail.com>,
 41987-done <at> debbugs.gnu.org
Subject: Re: bug#41987: ungoogled-chromium: crash when playing videos
Date: Mon, 22 Jun 2020 17:20:40 +0200

[Message part 3 (text/plain, inline)]

"Boris A. Dekshteyn" <boris.dekshteyn <at> gmail.com> writes:

> Hello,
>
> Jonathan Brielmaier <jonathan.brielmaier <at> web.de> writes:
>
>> Current chromium on master (81.0.4044.138) crashes when playing videos.
>>
>> Reproducer:
>> ```
>> chromium https://twitter.com/GuixHpc/status/1247943441067257857
>> ```
>>
>> #3 0x7f5a4be1c010
>> (/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/lib/libpthread-2.31.so+0x1300f)
>> #4 0x562ae02d8c97 media::FFmpegGlue::FFmpegGlue()
>
> Same. This seems to be happening after updating ffmpeg to 4.3.
> Upstream bug: https://bugs.chromium.org/p/chromium/issues/detail?id=1095962

Thanks for the upstream bug link.

I made ungoogled-chromium use an older ffmpeg for now with commit
3d5a217d5e71821465a8653945e494205b7d511b.

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From: Jonathan Brielmaier <jonathan.brielmaier <at> web.de>
To: bug-guix <bug-guix <at> gnu.org>
Subject: ungoogled-chromium: crash when playing videos
Date: Sun, 21 Jun 2020 18:41:58 +0200

Current chromium on master (81.0.4044.138) crashes when playing videos.

Reproducer:
```
chromium https://twitter.com/GuixHpc/status/1247943441067257857
```

Resulting backtrace
```
25773:25773:0621/183516.619919:ERROR:browser_switcher_service.cc(238)]
XXX Init()
[25801:25801:0621/183516.865149:ERROR:vaapi_wrapper.cc(482)]
vaInitialize failed: unknown libva error
[25801:25801:0621/183516.871339:ERROR:sandbox_linux.cc(374)]
InitializeSandbox() called with multiple threads in process gpu-process.
Received signal 11 SEGV_MAPERR 000000000090
#0 0x562ae28df0d9 base::debug::CollectStackTrace()
#1 0x562ae2846e33 base::debug::StackTrace::StackTrace()
#2 0x562ae28dec21 base::debug::(anonymous
namespace)::StackDumpSignalHandler()
#3 0x7f5a4be1c010
(/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/lib/libpthread-2.31.so+0x1300f)
#4 0x562ae02d8c97 media::FFmpegGlue::FFmpegGlue()
#5 0x562ae02d2ed4 media::FFmpegDemuxer::Initialize()
#6 0x562ae021a5ab media::PipelineImpl::RendererWrapper::InitializeDemuxer()
#7 0x562ae021f2d0 base::internal::Invoker<>::RunOnce()
#8 0x562ae0223aba media::SerialRunner::RunNextInSeries()
#9 0x562ae0223be7 media::SerialRunner::Run()
#10 0x562ae021a31a media::PipelineImpl::RendererWrapper::Start()
#11 0x562ae0221792 base::internal::Invoker<>::RunOnce()
#12 0x562ae28975bb base::TaskAnnotator::RunTask()
#13 0x562ae28a77ce
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWorkImpl()
#14 0x562ae28a7551
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoSomeWork()
#15 0x562ae285caba base::MessagePumpDefault::Run()
#16 0x562ae28a8059
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run()
#17 0x562ae287cbd2 base::RunLoop::Run()
#18 0x562ae28b08c6 base::Thread::ThreadMain()
#19 0x562ae28f012e base::(anonymous namespace)::ThreadFunc()
#20 0x7f5a4be10f64 start_thread
#21 0x7f5a47ac29af __GI___clone
  r8: 0000562ae02d8d00  r9: 0000000000000000 r10: 00007f5a49112758 r11:
00007f5a49145fa0
 r12: 0000562aea847ad0 r13: 0000562aea8fb4a0 r14: 00007f5a0000a820 r15:
00007f5a3c025a00
  di: 00007f5a0000a820  si: 0000000000008000  bp: 00007f5a0aa7b220  bx:
0000562aea5484b0
  dx: 0000000000000000  ax: 0000000000000001  cx: 0000000000000000  sp:
00007f5a0aa7b200
  ip: 0000562ae02d8c97 efl: 0000000000010202 cgf: 002b000000000033 erf:
0000000000000006
 trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000090
[end of stack trace]
Calling _exit(1). Core file will not be generated.
```

It happens also on other video sources (YouTube, Vimeo...).

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