1696506 - Crash in [@ shutdownhang | mozilla::a11y::ProxyDestroyed]

Status: RESOLVED WORKSFORME

(Core :: Disability Access APIs, defect, P1)

Description

[Worcester12345]

Crash report: https://crash-stats.mozilla.org/report/index/721c7da3-3478-4978-8da5-507990210304

MOZ_CRASH Reason: Shutdown hanging at step profile-change-teardown. Something is blocking the main-thread.

Top 10 frames of crashing thread:

0 xul.dll mozilla::a11y::ProxyDestroyed accessible/windows/msaa/Platform.cpp:99
1 xul.dll mozilla::a11y::DocAccessibleParent::Destroy accessible/ipc/DocAccessibleParent.cpp:746
2 xul.dll mozilla::ipc::IProtocol::DestroySubtree ipc/glue/ProtocolUtils.cpp:603
3 xul.dll mozilla::ipc::IProtocol::DestroySubtree ipc/glue/ProtocolUtils.cpp:591
4 xul.dll mozilla::ipc::IProtocol::DestroySubtree ipc/glue/ProtocolUtils.cpp:591
5 xul.dll mozilla::dom::PContentChild::OnChannelError ipc/ipdl/PContentParent.cpp:16104
6 xul.dll mozilla::dom::ContentParent::OnChannelError dom/ipc/ContentParent.cpp:1991
7 xul.dll mozilla::detail::RunnableMethodImpl<RefPtr<mozilla::dom::WorkerListener>, void  xpcom/threads/nsThreadUtils.h:1201
8 xul.dll mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal xpcom/threads/TaskController.cpp:760
9 xul.dll nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp

Comment 1

[Worcester12345]

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0 ID:20210302185821

Comment 2

[BugBot [:suhaib / :marco]]

The bug has a crash signature, thus the bug will be considered confirmed.

Comment 3

[BugBot [:suhaib / :marco]]

Since the crash volume is low (less than 5 per week), the severity is downgraded to S3. Feel free to change it back if you think the bug is still critical.

For more information, please visit auto_nag documentation.

Comment 4

[BugBot [:suhaib / :marco]]

Closing because no crashes reported for 12 weeks.