Bug 109133

Summary:	[WK2] ASSERT_NOT_REACHED in Connection::exceptionSourceEventHandler()
Product:	WebKit	Reporter:	Alexey Proskuryakov <ap>
Component:	WebKit2	Assignee:	Nobody <webkit-unassigned>
Status:	NEW
Severity:	Normal	CC:	andersca, rniwa
Priority:	P2	Keywords:	InRadar
Version:	528+ (Nightly build)
Hardware:	Unspecified
OS:	Unspecified

Alexey Proskuryakov

Reported 2013-02-06 21:56:58 PST

Bots are frequently hitting this assertion failure, e.g. twice in this run: <http://build.webkit.org/results/Apple%20MountainLion%20Debug%20WK2%20(Tests)/r142064%20(6640)/results.html>. ERROR: Failed to send message to real exception port. (ipc/send) invalid destination port (10000003) /Volumes/Data/slave/mountainlion-debug/build/Source/WebKit2/Platform/CoreIPC/mac/ConnectionMac.cpp(461) : void CoreIPC::Connection::exceptionSourceEventHandler() SHOULD NEVER BE REACHED /Volumes/Data/slave/mountainlion-debug/build/Source/WebKit2/Platform/CoreIPC/mac/ConnectionMac.cpp(462) : void CoreIPC::Connection::exceptionSourceEventHandler() 1 0x106fd9115 CoreIPC::Connection::exceptionSourceEventHandler() 2 0x106fd02f2 WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>::operator()(CoreIPC::Connection*) 3 0x106fd0275 WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>, void (CoreIPC::Connection*)>::operator()() 4 0x106fda1e5 ___ZNK3WTF8FunctionIFvvEEcvU13block_pointerS1_Ev_block_invoke_0 5 0x7fff900220b6 _dispatch_client_callout 6 0x7fff9002429b _dispatch_source_invoke 7 0x7fff90023305 _dispatch_queue_invoke 8 0x7fff90023448 _dispatch_queue_drain 9 0x7fff900232f1 _dispatch_queue_invoke 10 0x7fff900231c3 _dispatch_worker_thread2 11 0x7fff94590cab _pthread_wqthread 12 0x7fff9457b171 start_wqthread

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Alexey Proskuryakov

Comment 1 2013-02-06 21:58:23 PST

<rdar://problem/13169390>

Alexey Proskuryakov

Comment 2 2013-02-14 22:48:18 PST

*** Bug 109890 has been marked as a duplicate of this bug. ***

Ryosuke Niwa

Comment 3 2013-02-14 22:57:17 PST

Note that I've added a test expectation in http://trac.webkit.org/changeset/142961.

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