RESOLVED FIXED 153781
imported/w3c/web-platform-tests/streams-api/readable-streams/garbage-collection-1.html is a flaky crash on Mac debug 
https://bugs.webkit.org/show_bug.cgi?id=153781
Summary imported/w3c/web-platform-tests/streams-api/readable-streams/garbage-collecti...
Ryan Haddad
Reported 2016-02-01 17:08:42 PST
imported/w3c/web-platform-tests/streams-api/readable-streams/garbage-collection-1.html is a flaky crash on Mac Recent crashing run: <https://build.webkit.org/builders/Apple%20Yosemite%20Debug%20WK1%20(Tests)/builds/10484> <https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Fstreams-api%2Freadable-streams%2Fgarbage-collection-1.html> This also seems to be causing issues for EWS results.
Attachments
Add attachment proposed patch, testcase, etc.
Ryan Haddad
Comment 1 2016-02-01 17:13:32 PST
Marked as a flaky crash on mac debug with <https://trac.webkit.org/r195994>
Ryan Haddad
Comment 2 2016-02-01 17:15:19 PST
<rdar://problem/23926702>
Alexey Proskuryakov
Comment 3 2016-04-05 10:27:37 PDT
Youenn, do you expect to look into this? Thread 19 Crashed:: WebCore: Worker 0 com.apple.JavaScriptCore 0x000000010b6e7417 WTFCrash + 39 1 com.apple.WebCore 0x000000011145bd04 WebCore::JSGlobalObjectCallback::call() + 356 (JSDOMGlobalObjectTask.cpp:67) 2 com.apple.WebCore 0x000000011145b601 WebCore::JSGlobalObjectTask::JSGlobalObjectTask(WebCore::JSDOMGlobalObject*, WTF::PassRefPtr<JSC::Microtask>)::$_0::operator()(WebCore::ScriptExecutionContext&) const + 33 (JSDOMGlobalObjectTask.cpp:88) 3 com.apple.WebCore 0x000000011145b5cc std::__1::__function::__func<WebCore::JSGlobalObjectTask::JSGlobalObjectTask(WebCore::JSDOMGlobalObject*, WTF::PassRefPtr<JSC::Microtask>)::$_0, std::__1::allocator<WebCore::JSGlobalObjectTask::JSGlobalObjectTask(WebCore::JSDOMGlobalObject*, WTF::PassRefPtr<JSC::Microtask>)::$_0>, void (WebCore::ScriptExecutionContext&)>::operator()(WebCore::ScriptExecutionContext&) + 92 (functional:1370) 4 com.apple.WebCore 0x0000000110a5041b std::__1::function<void (WebCore::ScriptExecutionContext&)>::operator()(WebCore::ScriptExecutionContext&) const + 59 (functional:1756) 5 com.apple.WebCore 0x0000000110a13b6d WebCore::ScriptExecutionContext::Task::performTask(WebCore::ScriptExecutionContext&) + 29 (ScriptExecutionContext.h:153) 6 com.apple.WebCore 0x0000000112954789 WebCore::WorkerRunLoop::Task::performTask(WebCore::WorkerRunLoop const&, WebCore::WorkerGlobalScope*) + 105 (WorkerRunLoop.cpp:234) 7 com.apple.WebCore 0x000000011295422a WebCore::WorkerRunLoop::runInMode(WebCore::WorkerGlobalScope*, WebCore::ModePredicate const&, WebCore::WorkerRunLoop::WaitMode) + 1034 (WorkerRunLoop.cpp:181) 8 com.apple.WebCore 0x0000000112953de6 WebCore::WorkerRunLoop::run(WebCore::WorkerGlobalScope*) + 86 (WorkerRunLoop.cpp:131) 9 com.apple.WebCore 0x000000011295c8f5 WebCore::WorkerThread::runEventLoop() + 53 (WorkerThread.cpp:190) 10 com.apple.WebCore 0x0000000110975129 WebCore::DedicatedWorkerThread::runEventLoop() + 89 (DedicatedWorkerThread.cpp:61) 11 com.apple.WebCore 0x000000011295c816 WebCore::WorkerThread::workerThread() + 1126 (WorkerThread.cpp:171) 12 com.apple.WebCore 0x000000011295c3a5 WebCore::WorkerThread::workerThreadStart(void*) + 21 (WorkerThread.cpp:133) 13 com.apple.JavaScriptCore 0x000000010b753ab9 WTF::createThread(void (*)(void*), void*, char const*)::$_0::operator()() const + 25 14 com.apple.JavaScriptCore 0x000000010b753a8c std::__1::__function::__func<WTF::createThread(void (*)(void*), void*, char const*)::$_0, std::__1::allocator<WTF::createThread(void (*)(void*), void*, char const*)::$_0>, void ()>::operator()() + 60 15 com.apple.JavaScriptCore 0x000000010afdff1a std::__1::function<void ()>::operator()() const + 26 16 com.apple.JavaScriptCore 0x000000010b7527de WTF::threadEntryPoint(void*) + 158 17 com.apple.JavaScriptCore 0x000000010b754041 WTF::wtfThreadEntryPoint(void*) + 289
youenn fablet
Comment 4 2016-04-05 11:27:49 PDT
It is on my to list. Last time I checked, I was not able to reproduce the bug at all unfortunately.
youenn fablet
Comment 5 2016-10-18 04:42:18 PDT
This was fixed as part of promise improvements on workers. Also, this test file no longer exists.
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