RESOLVED FIXED 84596
Layout Test media/encrypted-media/encrypted-media-events.html is flaky 
https://bugs.webkit.org/show_bug.cgi?id=84596
Summary Layout Test media/encrypted-media/encrypted-media-events.html is flaky
Mikhail Naganov
Reported 2012-04-23 07:27:33 PDT
The following layout test is flaky on all platforms media/encrypted-media/encrypted-media-events.html See http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=media%2Fencrypted-media%2Fencrypted-media-events.html Probable cause: (from the Linux bot http://build.chromium.org/p/chromium.webkit/builders/Webkit%20Linux%2032/builds/16740/steps/webkit_tests/logs/stdio) 07:16:06.401 3304 worker/0 media/encrypted-media/encrypted-media-events.html crashed, stack trace: 07:16:06.401 3304 base::debug::StackTrace::StackTrace() [0x82c145c] 07:16:06.401 3304 base::(anonymous namespace)::StackDumpSignalHandler() [0x82aa2ed] 07:16:06.401 3304 0xb782d400 07:16:06.401 3304 base::internal::LockImpl::Lock() [0x82b23a1] 07:16:06.401 3304 media::AesDecryptor::AddKey() [0x96e26b9] 07:16:06.402 3304 webkit_media::WebMediaPlayerImpl::addKey() [0x91acdb7] 07:16:06.402 3304 WebKit::WebMediaPlayerClientImpl::addKey() [0x80fbfd2] 07:16:06.402 3304 WebCore::MediaPlayer::addKey() [0x87e279b] 07:16:06.402 3304 WebCore::HTMLMediaElement::webkitAddKey() [0x86d0db9] 07:16:06.402 3304 WebCore::HTMLMediaElementV8Internal::webkitAddKeyCallback() [0x8e134c4] 07:16:06.402 3304 v8::internal::Builtin_HandleApiCall() [0x83fea2c] 07:16:06.402 3304 0xbf925f88 07:16:06.402 3304 0xbf925f18
Attachments
Patch (1.43 KB, patch)
2012-04-30 11:33 PDT, David Dorwin 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
David Dorwin
Comment 1 2012-04-23 10:28:38 PDT
Below are more call stacks from various platforms. http://build.chromium.org/p/chromium.webkit/builders/Webkit%20Win%20(dbg)(2)/builds/9564/steps/webkit_tests/logs/stdio 16:42:18.252 3328 worker/1 media/encrypted-media/encrypted-media-events.html output stderr lines: 16:42:18.252 3328 Assertion failed: ptr_ != NULL, file c:\b\build\slave\webkit-win-latest-dbg\build\src\base/memory/ref_counted.h, line 249 16:42:18.252 3328 #URL:file:///E:/b/build/slave/Webkit_Win__dbg__2_/build/src/third_party/WebKit/LayoutTests/media/encrypted-media/encrypted-media-events.html http://build.chromium.org/p/chromium.webkit/builders/Webkit%20Win/builds/13413/steps/webkit_tests/logs/stdio 14:45:03.802 608 worker/1 media/encrypted-media/encrypted-media-events.html crashed, stack trace: 14:45:03.802 608 Backtrace: 14:45:03.802 608 RtlEnterCriticalSection [0x7C90100B+11] 14:45:03.802 608 (No symbol) [0x0077F0CE] 14:45:03.802 608 (No symbol) [0x006ECFF6] 14:45:03.802 608 (No symbol) [0x00D606F7] 14:45:03.802 608 (No symbol) [0x00DEE0B3] 14:45:03.802 608 (No symbol) [0x009621C5] 14:45:03.802 608 (No symbol) [0x004DCABB] 14:45:03.802 608 (No symbol) [0x8100961E] http://build.chromium.org/p/chromium.webkit/builders/Webkit%20Mac10.5%20(dbg)(2)/builds/6332/steps/webkit_tests/logs/stdio 13:52:19.529 2576 worker/2 media/encrypted-media/encrypted-media-events.html crashed, stack trace: 13:52:19.529 2576 Assertion failed: (ptr_ != NULL), function operator->, file ../../base/memory/ref_counted.h, line 249. 13:52:19.529 2576 [3155:-1603913952:12116066056372:ERROR:process_util_posix.cc(143)] Received signal 6 13:52:19.529 2576 0 DumpRenderTree 0x13a62f1f start + 8501255 13:52:19.529 2576 1 DumpRenderTree 0x13a62ebb start + 8501155 13:52:19.529 2576 2 DumpRenderTree 0x13b197f7 start + 9248991 13:52:19.529 2576 3 libSystem.B.dylib 0x94e551cb _sigtramp + 43 13:52:19.529 2576 4 ??? 0xffffffff 0x0 + 4294967295 13:52:19.529 2576 5 libSystem.B.dylib 0x94ec9242 raise + 26 13:52:19.529 2576 6 libSystem.B.dylib 0x94ed5681 abort + 73 13:52:19.529 2576 7 libSystem.B.dylib 0x94eca3e3 __assert_rtn + 101 13:52:19.530 2576 8 DumpRenderTree 0x1710bc4c webkit::npapi::CarbonPluginWindowTracker::DestroyDummyWindowForDelegate(void*, OpaqueWindowPtr*) + 799052 13:52:19.530 2576 9 DumpRenderTree 0x17108b45 webkit::npapi::CarbonPluginWindowTracker::DestroyDummyWindowForDelegate(void*, OpaqueWindowPtr*) + 786501 13:52:19.530 2576 10 DumpRenderTree 0x13420b5a start + 1938498 13:52:19.530 2576 11 DumpRenderTree 0x154506c5 start + 35688365 13:52:19.530 2576 12 DumpRenderTree 0x151817d1 start + 32743609 13:52:19.530 2576 13 DumpRenderTree 0x1670de62 start + 55338826 13:52:19.530 2576 14 DumpRenderTree 0x142bfb36 start + 17269790 13:52:19.530 2576 15 DumpRenderTree 0x142bf5da start + 17268418 13:52:19.530 2576 16 DumpRenderTree 0x142b58ec start + 17228244 13:52:19.530 2576 17 ??? 0x2740a336 0x0 + 658547510 13:52:19.530 2576 ax: 0, bx: 94ed5641, cx: bfffb76c, dx: 94e56d52 13:52:19.530 2576 di: 172e1be0, si: 172e1be0, bp: bfffb788, sp: bfffb76c, ss: 1f, flags: 282 13:52:19.530 2576 ip: 94e56d52, cs: 7, ds: 1f, es: 1f, fs: 0, gs: 37
David Dorwin
Comment 2 2012-04-24 14:08:06 PDT
This needs to be fixed in Chromium code: http://code.google.com/p/chromium/issues/detail?id=124885
David Dorwin
Comment 3 2012-04-30 11:33:30 PDT
Created attachment 139490 [details] Patch
WebKit Review Bot
Comment 4 2012-05-01 16:00:48 PDT
Comment on attachment 139490 [details] Patch Clearing flags on attachment: 139490 Committed r115757: <http://trac.webkit.org/changeset/115757>
WebKit Review Bot
Comment 5 2012-05-01 16:00:52 PDT
All reviewed patches have been landed. Closing bug.
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