84972 2012-04-26 09:55:34 -0700 Layout Test webaudio/audioparam-exponentialRampToValueAtTime.html is occasionally crashing 2012-06-09 13:51:05 -0700 1 1 1 Unclassified WebKit Tools / Tests 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 dglazkov crogers crogers dw.im rniwa oldest_to_newest 610688 0 dglazkov 2012-04-26 09:55:34 -0700 So far, I can see two wildly different stack traces on the bots. One from Linux Debug: crash log for DumpRenderTree (pid 6817): STDOUT: <empty> STDERR: [6817:6817:2817598149650:ERROR:process_util_posix.cc(143)] Received signal 11 STDERR: base::debug::StackTrace::StackTrace() [0x869162] STDERR: base::(anonymous namespace)::StackDumpSignalHandler() [0x829e49] STDERR: 0x7fd2cfc8eaf0 STDERR: WebCore::AudioContext::isGraphOwner() [0x173bd29] STDERR: WebCore::AudioParam::disconnect() [0x174e1b6] STDERR: WebCore::AudioNodeOutput::disconnectAllParams() [0x1749b90] STDERR: WebCore::AudioNodeOutput::disconnectAll() [0x1749c20] STDERR: WebCore::AudioNode::finishDeref() [0x1746094] STDERR: WebCore::AudioNode::deref() [0x1745d89] STDERR: WebCore::V8AudioBufferSourceNode::derefObject() [0x1ca98a7] STDERR: WebCore::WrapperTypeInfo::derefObject() [0x177c5de] STDERR: WebCore::DOMData::derefObject() [0x177c5ad] STDERR: WebCore::DOMData::handleWeakObject<>() [0x177cae5] STDERR: WebCore::DOMDataStore::weakDOMObjectCallback() [0x177c807] STDERR: v8::internal::GlobalHandles::Node::PostGarbageCollectionProcessing() [0xb966f0] STDERR: v8::internal::GlobalHandles::PostGarbageCollectionProcessing() [0xb951c6] STDERR: v8::internal::Heap::PerformGarbageCollection() [0xba49ae] STDERR: v8::internal::Heap::CollectGarbage() [0xba3bcc] STDERR: v8::internal::Heap::CollectGarbage() [0xb80043] STDERR: v8::internal::Runtime::PerformGC() [0xd583f1] STDERR: 0xe0e3af0b98e And one from Win Debug: crash log for DumpRenderTree (pid 14556): STDOUT: Backtrace: STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B28606+18545039] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B2F4CD+18573398] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B303BD+18577222] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B3046E+18577399] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x028B692F+15981752] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x028B669E+15981095] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x03611A4D+29986262] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x028A32B6+15902271] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x028A327F+15902216] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x028A38D3+15903836] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x028A34F5+15902846] STDOUT: v8::Locker::StopPreemption [0x012704AC+414316] STDOUT: v8::Locker::StopPreemption [0x012701A4+413540] STDOUT: v8::Locker::StopPreemption [0x012116AA+25706] STDOUT: v8::Locker::StopPreemption [0x0121027E+20542] STDOUT: v8::Locker::StopPreemption [0x0120FE4F+19471] STDOUT: v8::Locker::StopPreemption [0x01421D46+2190086] STDOUT: (No symbol) [0x1530A39D] STDOUT: (No symbol) [0x15319718] STDOUT: (No symbol) [0x1DB522F3] STDOUT: (No symbol) [0x1DB51E51] STDOUT: (No symbol) [0x1DB516D3] STDOUT: (No symbol) [0x15321C79] STDOUT: (No symbol) [0x15312C6A] STDOUT: v8::Locker::StopPreemption [0x01269A9C+387164] STDOUT: v8::Locker::StopPreemption [0x01269824+386532] STDOUT: v8::Function::Call [0x011F07F4+484] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x024CDEE3+11883116] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x024CDC03+11882380] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x028B4B58+15974113] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B1C742+18496203] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B1C375+18495230] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x03064465+24033262] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x030642FA+24032899] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x030641AA+24032563] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B29346+18548431] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B8F64D+18966998] STDOUT: WebKit::WebScreenInfoFactory::screenInfo [0x02B8F618+18966945] STDOUT: webkit::npapi::PluginGroup::GetLongIdentifier [0x094B1D37+792211] STDOUT: webkit::npapi::PluginGroup::GetLongIdentifier [0x094B1CA8+792068] STDOUT: webkit::npapi::PluginGroup::GetLongIdentifier [0x094B1B75+791761] STDOUT: base::Process::Current [0x00B5BA9F+383535] STDOUT: base::Process::Current [0x00B63DBF+417103] STDOUT: base::Process::Current [0x00B64043+417747] STDOUT: base::Process::Current [0x00B64EB6+421446] STDOUT: base::Process::Current [0x00B81614+538020] STDOUT: base::Process::Current [0x00B80AC2+535122] STDOUT: base::Process::Current [0x00B5EC8C+396316] STDOUT: base::Process::Current [0x00B639A9+416057] STDOUT: base::Process::Current [0x00B636FE+415374] STDOUT: base::Process::Current [0x00B629E0+412016] STDOUT: (No symbol) [0x004AA51D] STDOUT: (No symbol) [0x00412769] STDOUT: (No symbol) [0x00484EDB] STDOUT: (No symbol) [0x0044E665] STDOUT: (No symbol) [0x0044D5FD] STDOUT: (No symbol) [0x004FF078] STDOUT: (No symbol) [0x004FEEBF] STDOUT: RegisterWaitForInputIdle [0x7C817077+73] STDOUT: LEAK: 4074 WebCoreNode STDOUT: LEAK: 58 Page STDOUT: LEAK: 308 CachedResource STDOUT: LEAK: 58 Frame STDOUT: LEAK: 456 RenderObject STDOUT: LEAK: 27 WebCoreSVGElementInstance STDERR: <empty> Here's the link to results: http://test-results.appspot.com/dashboards/flakiness_dashboard.html#showExpectations=true&tests=webaudio%2Faudioparam-exponentialRampToValueAtTime.html 610773 1 crogers 2012-04-26 11:43:15 -0700 I think I know what this could be - investigating... 643163 2 dw.im 2012-06-06 21:17:44 -0700 (In reply to comment #1) > I think I know what this could be - investigating... Dear Chris. Do you have any progress? 643172 3 crogers 2012-06-06 21:22:41 -0700 (In reply to comment #2) > (In reply to comment #1) > > I think I know what this could be - investigating... > > Dear Chris. > Do you have any progress? I'm pretty sure this was fixed in either: http://trac.webkit.org/changeset/118099 or: http://trac.webkit.org/changeset/116065 645414 4 rniwa 2012-06-09 13:51:05 -0700 Confirmed. It no longer reproduces.