160510 2016-08-03 09:31:45 -0700 LayoutTest http/tests/fetch/fetch-in-worker-crash.html is flaky 2016-08-22 00:11:36 -0700 1 1 1 Unclassified WebKit Page Loading WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 ryanhaddad youennf ap beidson commit-queue youennf oldest_to_newest 1216945 0 ryanhaddad 2016-08-03 09:31:45 -0700 LayoutTest http/tests/fetch/fetch-in-worker-crash.html is flaky Crash: https://build.webkit.org/results/Apple%20El%20Capitan%20Release%20WK2%20(Tests)/r204079%20(8190)/results.html Failure: https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/r204075%20(7134)/results.html Flakiness dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2Ffetch%2Ffetch-in-worker-crash.html Thread 26 Crashed:: WebCore: Worker 0 com.apple.WebCore 0x00000001095bf3bf WebCore::WorkerThreadableLoader::MainThreadBridge::cancel() + 335 (WorkerThreadableLoader.cpp:159) 1 com.apple.WebCore 0x000000010881a8dd WebCore::FetchResponse::stop() + 221 (FetchResponse.cpp:300) 2 com.apple.WebCore 0x000000010925ffe7 WebCore::ScriptExecutionContext::stopActiveDOMObjects() + 343 (ScriptExecutionContext.cpp:298) 3 com.apple.WebCore 0x00000001095be730 WTF::Function<void (WebCore::ScriptExecutionContext&)>::CallableWrapper<WebCore::WorkerThread::stop()::$_0>::call(WebCore::ScriptExecutionContext&) + 32 (Function.h:101) 4 com.apple.WebCore 0x00000001095bb5b3 WebCore::WorkerRunLoop::runCleanupTasks(WebCore::WorkerGlobalScope*) + 211 (memory:2459) 5 com.apple.WebCore 0x00000001095bb2bf WebCore::WorkerRunLoop::run(WebCore::WorkerGlobalScope*) + 111 (WorkerRunLoop.cpp:134) 6 com.apple.WebCore 0x00000001095be3be WebCore::WorkerThread::workerThread() + 718 (WorkerThread.cpp:186) 7 com.apple.JavaScriptCore 0x0000000107e19f52 WTF::threadEntryPoint(void*) + 178 (Threading.cpp:61) 8 com.apple.JavaScriptCore 0x0000000107e1a36f WTF::wtfThreadEntryPoint(void*) + 15 (ThreadingPthreads.cpp:166) 9 libsystem_pthread.dylib 0x00007fff8eae399d _pthread_body + 131 10 libsystem_pthread.dylib 0x00007fff8eae391a _pthread_start + 168 11 libsystem_pthread.dylib 0x00007fff8eae1351 thread_start + 13 --- /Volumes/Data/slave/elcapitan-debug-tests-wk1/build/layout-test-results/http/tests/fetch/fetch-in-worker-crash-expected.txt +++ /Volumes/Data/slave/elcapitan-debug-tests-wk1/build/layout-test-results/http/tests/fetch/fetch-in-worker-crash-actual.txt @@ -1,5 +1,5 @@ CONSOLE MESSAGE: line 11: 0 -CONSOLE MESSAGE: line 11: 1 +CONSOLE MESSAGE: line 11: FAIL: promise 1 resolved Test that terminating an ongoing fetch in a worker does not cause a crash. PASS: No crash. 1216948 1 youennf 2016-08-03 09:36:13 -0700 *** This bug has been marked as a duplicate of bug 160498 *** 1217553 2 youennf 2016-08-04 13:14:43 -0700 Test is less flaky but still flaky. Reopening the bug 1217556 3 285354 youennf 2016-08-04 13:19:30 -0700 Created attachment 285354 Patch 1218229 4 285354 commit-queue 2016-08-06 01:49:55 -0700 Comment on attachment 285354 Patch Clearing flags on attachment: 285354 Committed r204223: <http://trac.webkit.org/changeset/204223> 1218230 5 commit-queue 2016-08-06 01:49:58 -0700 All reviewed patches have been landed. Closing bug. 1218339 6 ap 2016-08-06 21:23:17 -0700 This test became much more flaky after this fix, and it still crashes too. https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2Ffetch%2Ffetch-in-worker-crash.html https://build.webkit.org/results/Apple%20iOS%209%20Simulator%20Release%20WK1%20(Tests)/r204235%20(7920)/DumpRenderTree-28112-crash-log.txt Could you please take a look soon? The test is so flaky that it's likely to cause EWS false positives. 1218350 7 285523 youennf 2016-08-07 00:13:09 -0700 Created attachment 285523 Patch for landing 1218351 8 youennf 2016-08-07 00:17:51 -0700 (In reply to comment #7) > Created attachment 285523 [details] > Patch for landing Marked test as flaky. I'll investigate why it is flaky in two weeks from now. From what I see, there is a problem with the readable stream when stopping the loads, that is causing unnecessary JavaScript execution. 1218352 9 285523 commit-queue 2016-08-07 00:42:05 -0700 Comment on attachment 285523 Patch for landing Clearing flags on attachment: 285523 Committed r204240: <http://trac.webkit.org/changeset/204240> 1218353 10 commit-queue 2016-08-07 00:42:10 -0700 All reviewed patches have been landed. Closing bug. 1218354 11 youennf 2016-08-07 00:47:15 -0700 Reopened to fix issue with ReadableStream. 1221770 12 286573 youennf 2016-08-21 14:36:51 -0700 Created attachment 286573 Fixing failure flakiness 1221821 13 286573 commit-queue 2016-08-22 00:11:32 -0700 Comment on attachment 286573 Fixing failure flakiness Clearing flags on attachment: 286573 Committed r204704: <http://trac.webkit.org/changeset/204704> 1221822 14 commit-queue 2016-08-22 00:11:36 -0700 All reviewed patches have been landed. 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