1906591 - Crash in [@ mozilla::widget::DMABufDevice::Configure]

Status: RESOLVED FIXED

(Core :: Graphics: CanvasWebGL, defect)

Description

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

1858 crashes on Linux from 5 installs.

Crash report: https://crash-stats.mozilla.org/report/index/b846ed2c-8d90-4f2e-b88f-5c8500240708

Reason: SIGSEGV / SEGV_MAPERR

Top 10 frames:

0  libxul.so  mozilla::widget::DMABufDevice::Configure()  widget/gtk/DMABufLibWrapper.cpp:190
1  libxul.so  mozilla::widget::GetDMABufDevice()::$_0::operator()() const  widget/gtk/DMABufLibWrapper.cpp:347
1  libxul.so  std::__invoke_impl<void, mozilla::widget::GetDMABufDevice()::$_0, >(std::__in...  /usr/include/c++/14.1.1/bits/invoke.h:61
1  libxul.so  std::__invoke<mozilla::widget::GetDMABufDevice()::$_0, >(mozilla::widget::Get...  /usr/include/c++/14.1.1/bits/invoke.h:96
1  libxul.so  std::call_once<mozilla::widget::GetDMABufDevice()::$_0, >(std::once_flag&, mo...  /usr/include/c++/14.1.1/mutex:909
1  libxul.so  std::once_flag::_Prepare_execution::_Prepare_execution<std::call_once<mozilla...  /usr/include/c++/14.1.1/mutex:845
1  libxul.so  std::once_flag::_Prepare_execution::_Prepare_execution<std::call_once<mozilla...  /usr/include/c++/14.1.1/mutex:845
2  libc.so.6  __pthread_once_slow  /usr/src/debug/glibc/glibc/nptl/pthread_once.c:116
3  libc.so.6  pthread_once@GLIBC_2.2.5  /usr/src/debug/glibc/glibc/nptl/pthread_once.c:143
4  libxul.so  __gthread_once(int*, void (*)())  /usr/include/c++/14.1.1/x86_64-pc-linux-gnu/bits/gthr-default.h:713

Comment 1

[Martin Stránský [:stransky] (ni? me)]

Looks like components::GfxInfo::Service() returns null in RDD process. Will fix that ASAP.

Comment 2

[Martin Stránský [:stransky] (ni? me)]

Attachment: Bug 1906591 [Linux] Set GBM_BACKEND in parent process only r?emilio

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/6356631de34f
[Linux] Set GBM_BACKEND in parent process only r=emilio

Comment 4

[tszentpeteri]

https://hg.mozilla.org/mozilla-central/rev/6356631de34f

Comment 5

[Martin Stránský [:stransky] (ni? me)]

Comment on attachment 9411496 [details]
Bug 1906591 [Linux] Set GBM_BACKEND in parent process only r?emilio

Beta/Release Uplift Approval Request

• User impact if declined: Crashes on Video playback on wrongly set boxes.
• Is this code covered by automated tests?: No
• Has the fix been verified in Nightly?: No
• Needs manual test from QE?: No
• If yes, steps to reproduce:
• List of other uplifts needed: None
• Risk to taking this patch: Low
• Why is the change risky/not risky? (and alternatives if risky): We set the env variable in parent process only.
• String changes made/needed:
• Is Android affected?: No

Comment 6

[Donal Meehan [:dmeehan]]

Comment on attachment 9411496 [details]
Bug 1906591 [Linux] Set GBM_BACKEND in parent process only r?emilio

Approved for 129.0b2

Comment 7

[Pulsebot]

https://hg.mozilla.org/releases/mozilla-beta/rev/1a6b22954be5