1596696 - many [Parent 2009, Compositor] WARNING: Resource acquired is being released in non-LIFO order; : file /builds/worker/workspace/build/src/xpcom/threads/BlockingResourceBase.cpp, line 293 messages bloating logs too big for treeherder to parse

Status: RESOLVED FIXED

(Core :: Widget: Cocoa, defect)

Description

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

Starting with bug 1576390, many of the web-platform-test chunk-16 on OS X 10.14 debug runs have logs too big to parse for treeherder.

There are many of these messages:
[task 2019-11-13T23:52:17.574Z] 23:52:17 INFO - PID 2009 | [2027, MainThread] WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /builds/worker/workspace/build/src/xpcom/base/nsTraceRefcnt.cpp, line 198
[task 2019-11-13T23:52:17.603Z] 23:52:17 INFO - PID 2009 | [Parent 2009, Compositor] WARNING: Resource acquired is being released in non-LIFO order; why?
[task 2019-11-13T23:52:17.603Z] 23:52:17 INFO - PID 2009 | : file /builds/worker/workspace/build/src/xpcom/threads/BlockingResourceBase.cpp, line 293
[task 2019-11-13T23:52:17.603Z] 23:52:17 INFO - PID 2009 | --- Mutex : ChildViewTearDown (currently acquired)
[task 2019-11-13T23:52:17.604Z] 23:52:17 INFO - PID 2009 | calling context
[task 2019-11-13T23:52:17.604Z] 23:52:17 INFO - PID 2009 | [stack trace unavailable]
[task 2019-11-13T23:52:17.663Z] 23:52:17 INFO - PID 2009 | [Parent 2009, Compositor] WARNING: Resource acquired is being released in non-LIFO order; why?
[task 2019-11-13T23:52:17.664Z] 23:52:17 INFO - PID 2009 | : file /builds/worker/workspace/build/src/xpcom/threads/BlockingResourceBase.cpp, line 293
[task 2019-11-13T23:52:17.664Z] 23:52:17 INFO - PID 2009 | --- Mutex : ChildViewTearDown (currently acquired)
[task 2019-11-13T23:52:17.664Z] 23:52:17 INFO - PID 2009 | calling context
[task 2019-11-13T23:52:17.664Z] 23:52:17 INFO - PID 2009 | [stack trace unavailable]

See https://treeherder.mozilla.org/#/jobs?repo=autoland&group_state=expanded&selectedJob=276098885&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception%2Csuperseded%2Cretry%2Cusercancel&tochange=9e55fee783ff8a1dc0c512316689145a57f8b6aa&fromchange=e17aebea669678319835e399324df56eb14c78cf&searchStr=10.14%2Cdebug%2Cwpt

Raw log size has gone up from ~30MB to 90+MB.

wpt2 is also affected.

Comment 1

[Markus Stange [:mstange]]

Attachment: Bug 1596696 - Restore pre-bug 1576390 lock order. r=jrmuizel,spohl

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/284910a66370
Restore pre-bug 1576390 lock order. r=spohl

Comment 3

[Stefan Hindli [:stefan_hindli]]

https://hg.mozilla.org/mozilla-central/rev/284910a66370

Comment 4

[Intermittent Failures Robot]

2 failures in 4207 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform breakdown:

• macosx1014-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1596696&startday=2019-11-11&endday=2019-11-17&tree=all