926185 - Assert failure in IsSharedWorker()

Status: RESOLVED DUPLICATE of bug 924970

(Core :: DOM: Workers, defect)

Description

[Eric Rescorla (:ekr)]

I am getting the following assert failure whenever I start my local build of
Firefox.

Revision: 150584:e628236f3424
Platform: OS/X 10.8

(gdb) bt
#0  mozilla::dom::workers::WorkerPrivateParent<mozilla::dom::workers::WorkerPrivate>::SynchronizeAndResume (this=0x10f686400, aCx=0x1208d92a0, aWindow=0x122e12f30, aScriptContext=0x1208dc800) at /Users/ekr/dev/mozilla-inbound/dom/workers/WorkerPrivate.cpp:2344
#1  0x0000000102c22108 in mozilla::dom::workers::RuntimeService::ResumeWorkersForWindow (this=0x11241db80, aWindow=0x122e12f30) at /Users/ekr/dev/mozilla-inbound/dom/workers/RuntimeService.cpp:1989
#2  0x0000000102c21ed5 in mozilla::dom::workers::ResumeWorkersForWindow (aWindow=0x122e12f30) at /Users/ekr/dev/mozilla-inbound/dom/workers/RuntimeService.cpp:1064
#3  0x0000000102a12cc0 in nsGlobalWindow::ResumeTimeouts (this=0x122e12f10, aThawChildren=false) at /Users/ekr/dev/mozilla-inbound/dom/base/nsGlobalWindow.cpp:11359
#4  0x0000000102a1349c in non-virtual thunk to nsGlobalWindow::ResumeTimeouts(bool) (this=0x122e12f30, aThawChildren=false) at /Users/ekr/dev/mozilla-inbound/dom/base/nsGlobalWindow.cpp:11445
#5  0x0000000102435a6a in nsResumeTimeoutsEvent::Run (this=0x122e46350) at /Users/ekr/dev/mozilla-inbound/content/base/src/nsXMLHttpRequest.cpp:148
#6  0x00000001045e41d3 in nsThread::ProcessNextEvent (this=0x100507350, mayWait=false, result=0x7fff5fbfd013) at /Users/ekr/dev/mozilla-inbound/xpcom/threads/nsThread.cpp:622
#7  0x000000010453b3ec in NS_ProcessPendingEvents (thread=0x100507350, timeout=20) at nsThreadUtils.cpp:188
#8  0x00000001038ce90f in nsBaseAppShell::NativeEventCallback (this=0x100582a70) at /Users/ekr/dev/mozilla-inbound/widget/xpwidgets/nsBaseAppShell.cpp:95
#9  0x000000010382abec in nsAppShell::ProcessGeckoEvents (aInfo=0x100582a70) at /Users/ekr/dev/mozilla-inbound/widget/cocoa/nsAppShell.mm:388
#10 0x00007fff85ad3b31 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ ()
#11 0x00007fff85ad3455 in __CFRunLoopDoSources0 ()
#12 0x00007fff85af67f5 in __CFRunLoopRun ()
#13 0x00007fff85af60e2 in CFRunLoopRunSpecific ()
#14 0x00007fff855deeb4 in RunCurrentEventLoopInMode ()
#15 0x00007fff855deb94 in ReceiveNextEventCommon ()
#16 0x00007fff855deae3 in BlockUntilNextEventMatchingListInMode ()
#17 0x00007fff8e375533 in _DPSNextEvent ()
#18 0x00007fff8e374df2 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] ()
#19 0x00000001038293f7 in -[GeckoNSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (self=0x100134240, _cmd=0x7fff8eba3404, mask=18446744073709551615, expiration=0x422d63c37f00000d, mode=0x7fff73ef71c0, flag=1 '\001') at /Users/ekr/dev/mozilla-inbound/widget/cocoa/nsAppShell.mm:165
#20 0x00007fff8e36c1a3 in -[NSApplication run] ()
#21 0x000000010382b6c1 in nsAppShell::Run (this=0x100582a70) at /Users/ekr/dev/mozilla-inbound/widget/cocoa/nsAppShell.mm:742
#22 0x000000010341829c in nsAppStartup::Run (this=0x1005829e0) at /Users/ekr/dev/mozilla-inbound/toolkit/components/startup/nsAppStartup.cpp:268
#23 0x0000000101574f67 in XREMain::XRE_mainRun (this=0x7fff5fbfede0) at /Users/ekr/dev/mozilla-inbound/toolkit/xre/nsAppRunner.cpp:3886
#24 0x0000000101575759 in XREMain::XRE_main (this=0x7fff5fbfede0, argc=1, argv=0x7fff5fbff6e8, aAppData=0x7fff5fbff078) at /Users/ekr/dev/mozilla-inbound/toolkit/xre/nsAppRunner.cpp:3954
#25 0x0000000101575b6d in XRE_main (argc=1, argv=0x7fff5fbff6e8, aAppData=0x7fff5fbff078, aFlags=0) at /Users/ekr/dev/mozilla-inbound/toolkit/xre/nsAppRunner.cpp:4156
#26 0x0000000100002337 in do_main (argc=1, argv=0x7fff5fbff6e8, xreDirectory=0x1005000e0) at /Users/ekr/dev/mozilla-inbound/browser/app/nsBrowserApp.cpp:275
#27 0x0000000100001871 in main (argc=1, argv=0x7fff5fbff6e8) at /Users/ekr/dev/mozilla-inbound/browser/app/nsBrowserApp.cpp:635
(gdb) 
Suspended

Comment 1

[Eric Rescorla (:ekr)]

Assertion failure: mParentSuspended, at /Users/ekr/dev/mozilla-inbound/dom/workers/WorkerPrivate.cpp:2344

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000000
mozilla::dom::workers::WorkerPrivateParent<mozilla::dom::workers::WorkerPrivate>::SynchronizeAndResume (this=0x10f686400, aCx=0x1208d92a0, aWindow=0x122e12f30, aScriptContext=0x1208dc800) at /Users/ekr/dev/mozilla-inbound/dom/workers/WorkerPrivate.cpp:2344
2344	  MOZ_ASSERT_IF(!IsSharedWorker(), mParentSuspended);
(gdb) bt

Comment 2

[Eric Rescorla (:ekr)]

Update: I get the same thing with builds from tbpl. E.g.,
https://ftp.mozilla.org/pub/mozilla.org/firefox/tinderbox-builds/mozilla-inbound-macosx64-debug/1381655790/