WebRTC video encoding init DCHECK hit: Waiting on a //base sync primitive on disallowed thread |
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Issue descriptionDCHECKs were enabled on Chromium WebRTC bots in this CL: https://chromium-review.googlesource.com/c/chromium/src/+/1065733 It caused the following failure: [1548:2000:0608/040235.241:FATAL:thread_restrictions.cc(105)] Check failed: !g_base_sync_primitives_disallowed.Get().Get(). Waiting on a //base sync primitive is not allowed on this thread to prevent jank and deadlock. If waiting on a //base sync primitive is unavoidable, do it within the scope of a ScopedAllowBaseSyncPrimitives. If in a test, use ScopedAllowBaseSyncPrimitivesForTesting. Backtrace: base::debug::StackTrace::StackTrace [0x036808A0+32] base::debug::StackTrace::StackTrace [0x0368005D+13] logging::LogMessage::~LogMessage [0x0369A6C3+83] base::internal::AssertBaseSyncPrimitivesAllowed [0x036E5FB9+105] base::WaitableEvent::Wait [0x036DDC32+34] content::RTCVideoEncoder::InitEncode [0x06A186F3+833] webrtc::VideoEncoderSoftwareFallbackWrapper::InitEncode [0x06A1B775+145] webrtc::VCMGenericEncoder::InitEncode [0x073B314B+315] webrtc::VCMEncoderDataBase::SetSendCodec [0x073B4B01+477] webrtc::vcm::VideoSender::RegisterSendCodec [0x07373243+87] webrtc::VideoStreamEncoder::ReconfigureEncoder [0x072B2344+1084] webrtc::VideoStreamEncoder::MaybeEncodeVideoFrame [0x072B2F21+409] webrtc::VideoStreamEncoder::VideoSourceProxy::ResetPixelFpsCount [0x072B56D1+697] rtc::TaskQueue::Impl::RunTask [0x0289F079+101] base::internal::FunctorTraits<void (__thiscall media::cast::LogEventDispatcher::Impl::*)(std::unique_ptr<media::cast::FrameEvent,std::default_delete<media::cast::FrameEvent> >)const ,void>::Invoke<void (__thiscall media::cast::LogEventDispatcher::Impl::*) [0x02317305+47] base::internal::Invoker<base::internal::BindState<void (__thiscall rtc::TaskQueue::Impl::*)(std::unique_ptr<rtc::QueuedTask,std::default_delete<rtc::QueuedTask> >),scoped_refptr<rtc::TaskQueue::Impl>,base::internal::PassedWrapper<std::unique_ptr<rtc::Queu [0x0289F4BD+53] base::debug::TaskAnnotator::RunTask [0x036810C4+308] base::internal::TaskTracker::RunOrSkipTask [0x0461B66E+670] base::internal::TaskTracker::RunAndPopNextTask [0x0461AB8D+413] base::internal::SchedulerWorker::RunWorker [0x0635EC49+409] base::internal::SchedulerWorker::RunPooledWorker [0x0635E98C+28] base::PlatformThread::GetCurrentThreadPriority [0x036E2C35+469] BaseThreadInitThunk [0x75177C04+36] RtlInitializeExceptionChain [0x7705B54F+143] RtlInitializeExceptionChain [0x7705B51A+90] https://chromium-swarm.appspot.com/task?id=3df78ceb95aca510 https://chromium-swarm.appspot.com/task?id=3df7deb5bb925e10 Erik, can you re-assign as appropriate?
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Jun 12 2018
I don't know this code very well. emircan@ can you have a look or reassign?
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Jan 15
Issue 918043 has been merged into this issue. |
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Comment 1 by grunell@chromium.org
, Jun 8 2018