http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=fast%2Fruby%2Fafter-doesnt-crash.html&showExpectations=true This crash on Mac. Thread 5 Crashed: IOThread 0 libSystem.B.dylib 0x928854ee __semwait_signal_nocancel + 10 1 libSystem.B.dylib 0x928853d2 nanosleep$NOCANCEL$UNIX2003 + 166 2 libSystem.B.dylib 0x929002a6 usleep$NOCANCEL$UNIX2003 + 61 3 libSystem.B.dylib 0x92921959 __abort + 136 4 libSystem.B.dylib 0x929219c9 abort_report_np + 0 5 libstdc++.6.dylib 0x900a0fda __gnu_cxx::__verbose_terminate_handler() + 433 6 libstdc++.6.dylib 0x9009f17a __cxxabiv1::__terminate(void (*)()) + 10 7 libstdc++.6.dylib 0x9009f1ba __cxxabiv1::__unexpected(void (*)()) + 0 8 libstdc++.6.dylib 0x9009f2b8 __gxx_exception_cleanup(_Unwind_Reason_Code, _Unwind_Exception*) + 0 9 libstdc++.6.dylib 0x9005b856 std::__throw_logic_error(char const*) + 158 10 libstdc++.6.dylib 0x90086ced char* std::string::_S_construct<char const*>(char const*, char const*, std::allocator<char> const&, std::forward_iterator_tag) + 57 11 libstdc++.6.dylib 0x90086d85 std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, unsigned long, std::allocator<char> const&) + 37 12 DumpRenderTree 0x679d95a6 GURL::GURL(char const*, unsigned long, url_parse::Parsed const&, bool) + 136 13 DumpRenderTree 0x6734180b WebKit::WebURL::operator GURL() const + 147 (WebURL.h:132) 14 DumpRenderTree 0x69da1bbd void DispatchToMethod<TestShellWebBlobRegistryImpl, void (TestShellWebBlobRegistryImpl::*)(GURL const&), WebKit::WebURL>(TestShellWebBlobRegistryImpl*, void (TestShellWebBlobRegistryImpl::*)(GURL const&), Tuple1<WebKit::WebURL> const&) + 111 15 DumpRenderTree 0x69da1c4f RunnableMethod<TestShellWebBlobRegistryImpl, void (TestShellWebBlobRegistryImpl::*)(GURL const&), Tuple1<WebKit::WebURL> >::Run() + 85 16 DumpRenderTree 0x67a53162 (anonymous namespace)::TaskClosureAdapter::Run() + 58 17 DumpRenderTree 0x67a53834 base::internal::Invoker1<false, base::internal::InvokerStorage1<void ((anonymous namespace)::TaskClosureAdapter::*)(), (anonymous namespace)::TaskClosureAdapter*>, void ((anonymous namespace)::TaskClosureAdapter::*)()>::DoInvoke(base::internal::InvokerStorageBase*) + 122 18 DumpRenderTree 0x67a58b2c base::Callback<void ()()>::Run() const + 62 19 DumpRenderTree 0x67a54d65 MessageLoop::RunTask(MessageLoop::PendingTask const&) + 413 20 DumpRenderTree 0x67a54ef9 MessageLoop::DeferOrRunPendingTask(MessageLoop::PendingTask const&) + 85 21 DumpRenderTree 0x67a55235 MessageLoop::DoWork() + 271 22 DumpRenderTree 0x679f7a9b base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) + 339 23 DumpRenderTree 0x67a564bb MessageLoop::RunInternal() + 245 24 DumpRenderTree 0x67a56505 MessageLoop::RunHandler() + 45 25 DumpRenderTree 0x67a565d1 MessageLoop::Run() + 63 26 DumpRenderTree 0x67acaf75 base::Thread::Run(MessageLoop*) + 51 27 DumpRenderTree 0x67acadd5 base::Thread::ThreadMain() + 337 28 DumpRenderTree 0x67acaad9 base::(anonymous namespace)::ThreadFunc(void*) + 103 29 libSystem.B.dylib 0x928457fd _pthread_start + 345 30 libSystem.B.dylib 0x92845682 thread_start + 34 I think that this may be related to the same issue that was identified in http://codereview.chromium.org/6878059
*** Bug 65031 has been marked as a duplicate of this bug. ***
As noted on the bug 65031, this crash happens on other layout tests as well (e.g. editing tests :( ).
Created attachment 102207 [details] Patch
Comment on attachment 102207 [details] Patch Rejecting attachment 102207 [details] from commit-queue. Failed to run "['./Tools/Scripts/webkit-patch', '--status-host=queues.webkit.org', '--bot-id=ec2-cq-03', '--port..." exit_code: 2 Last 500 characters of output: git/webkit-commit-queue/Tools/Scripts/svn-apply', u'--reviewer', u'Tony Chang', u'--force']" exit_code: 1 Parsed 2 diffs from patch file(s). patching file Source/WebKit/chromium/ChangeLog Hunk #1 succeeded at 1 with fuzz 3. patching file Source/WebKit/chromium/DEPS Hunk #1 FAILED at 32. 1 out of 1 hunk FAILED -- saving rejects to file Source/WebKit/chromium/DEPS.rej Failed to run "[u'/mnt/git/webkit-commit-queue/Tools/Scripts/svn-apply', u'--reviewer', u'Tony Chang', u'--force']" exit_code: 1 Full output: http://queues.webkit.org/results/9262136
Well it looks like it was rolled in http://trac.webkit.org/changeset/91888 which is good enough to bring in the fix.