1452349 - Crash in shutdownhang | mozilla::SpinEventLoopUntil<T> | `anonymous namespace'::ParentImpl::ShutdownBackgroundThread

Status: RESOLVED WORKSFORME

(Core :: General, defect)

Description

[Trevor Skywalker]

This bug was filed from the Socorro interface and is
report bp-d6b6e3db-10d3-44ae-97f4-0d5010180313.
=============================================================

Top 10 frames of crashing thread:

0 ntdll.dll KiFastSystemCallRet 
1 ntdll.dll NtWaitForKeyedEvent 
2 ntdll.dll RtlSleepConditionVariableCS 
3 kernel32.dll SleepConditionVariableCS 
4 mozglue.dll mozilla::detail::ConditionVariableImpl::wait mozglue/misc/ConditionVariable_windows.cpp:58
5 xul.dll mozilla::CondVar::Wait xpcom/threads/CondVar.h:68
6 xul.dll mozilla::ThreadEventQueue<mozilla::PrioritizedEventQueue<mozilla::EventQueue> >::GetEvent xpcom/threads/ThreadEventQueue.cpp:155
7 xul.dll nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:967
8 xul.dll NS_ProcessNextEvent xpcom/threads/nsThreadUtils.cpp:517
9 xul.dll mozilla::SpinEventLoopUntil<1, <lambda_a272a231bcf59bc785320a918238511e> > xpcom/threads/nsThreadUtils.h:323

=============================================================

11 	xul.dll 	`anonymous namespace'::ParentImpl::ShutdownObserver::Observe 	ipc/glue/BackgroundImpl.cpp:1187
12 	xul.dll 	nsObserverList::NotifyObservers(nsISupports*, char const*, char16_t const*) 	xpcom/ds/nsObserverList.cpp:112
13 	xul.dll 	nsObserverService::NotifyObservers(nsISupports*, char const*, char16_t const*) 	xpcom/ds/nsObserverService.cpp:296
14 	xul.dll 	mozilla::ShutdownXPCOM(nsIServiceManager*) 	xpcom/build/XPCOMInit.cpp:883
15 	xul.dll 	ScopedXPCOMStartup::~ScopedXPCOMStartup() 	toolkit/xre/nsAppRunner.cpp:1511
16 	xul.dll 	mozilla::UniquePtr<ScopedXPCOMStartup, mozilla::DefaultDelete<ScopedXPCOMStartup> >::operator=(std::nullptr_t) 	mfbt/UniquePtr.h:313
17 	xul.dll 	XREMain::XRE_main(int, char** const, mozilla::BootstrapConfig const&) 	toolkit/xre/nsAppRunner.cpp:4900
18 	xul.dll 	XRE_main(int, char** const, mozilla::BootstrapConfig const&) 	toolkit/xre/nsAppRunner.cpp:4964
19 	xul.dll 	mozilla::BootstrapImpl::XRE_main(int, char** const, mozilla::BootstrapConfig const&) 	toolkit/xre/Bootstrap.cpp:49
20 	firefox.exe 	do_main

Thread 10
Frame 	Module 	Signature 	Source
0 	ntdll.dll 	KiFastSystemCallRet 	
1 	ntdll.dll 	ZwRemoveIoCompletion 	
2 	KERNELBASE.dll 	GetQueuedCompletionStatus 	
Ø 3 	HMIPCore.dll 	HMIPCore.dll@0xc827 	
4 		@0xc01f9d3 	
Ø 5 	HMIPCore.dll 	HMIPCore.dll@0xc7ef 	

Thread 11
Frame 	Module 	Signature 	Source
0 	ntdll.dll 	KiFastSystemCallRet 	
1 	ntdll.dll 	ZwRemoveIoCompletion 	
2 	KERNELBASE.dll 	GetQueuedCompletionStatus 	
Ø 3 	HMIPCore.dll 	HMIPCore.dll@0xc827 	
4 		@0xb54fa53 	
Ø 5 	HMIPCore.dll 	HMIPCore.dll@0xc7ef

Thread 12
Frame 	Module 	Signature 	Source
0 	ntdll.dll 	KiFastSystemCallRet 	
1 	ntdll.dll 	ZwWaitForMultipleObjects 	
2 	KERNELBASE.dll 	BaseGetNamedObjectDirectory 	
3 	kernel32.dll 	WaitForMultipleObjectsExImplementation 	
4 	kernel32.dll 	WaitForMultipleObjects 	
Ø 5 	HMIPCore.dll 	HMIPCore.dll@0x23a6b 	
6 	kernel32.dll 	DeactivateActCtx 	
Ø 7 	HMIPCore.dll 	HMIPCore.dll@0x98ca 	
Ø 8 	HMIPCore.dll 	HMIPCore.dll@0x22f9f

Comment 1

[Wayne Mery (:wsmwk)]

Is there a particular aspect of these threads for which you filed this bug report?

The peak rate for this signature hit late August, in version 61.0.2.  But in the last couple months is essentially zero for current versions.
https://crash-stats.mozilla.com/signature/?signature=shutdownhang%20%7C%20mozilla%3A%3ASpinEventLoopUntil<T>%20%7C%20%60anonymous%20namespace%27%3A%3AParentImpl%3A%3AShutdownBackgroundThread&date=>%3D2018-06-30T21%3A28%3A07.000Z&date=<2018-12-30T21%3A28%3A07.000Z&_columns=date&_columns=product&_columns=version&_columns=build_id&_columns=platform&_columns=reason&_columns=address&_columns=install_time&_sort=-date&page=1#graphs