[Webkit-unassigned] [Bug 161259] New: REGRESSION (r204987): fast/canvas-composite-* tests are now flaky assertion failures
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Aug 26 12:39:55 PDT 2016
https://bugs.webkit.org/show_bug.cgi?id=161259
Bug ID: 161259
Summary: REGRESSION (r204987): fast/canvas-composite-* tests
are now flaky assertion failures
Classification: Unclassified
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: New Bugs
Assignee: webkit-unassigned at lists.webkit.org
Reporter: ryanhaddad at apple.com
fast/canvas-composite-* tests are now flaky assertion failures
Seems to have started with https://trac.webkit.org/changeset/204987
Seen with:
fast/canvas/canvas-composite-text-alpha.html
fast/canvas/canvas-composite-stroke-alpha.html
fast/canvas/canvas-composite-transformclip.html
fast/canvas/canvas-composite.html
fast/canvas/canvas-composite-canvas.html
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=fast%2Fcanvas%2Fcanvas-composite
ASSERTION FAILED: externalMemorySize() <= extraMemorySize()
/Volumes/Data/slave/elcapitan-debug/build/Source/JavaScriptCore/heap/Heap.cpp(1447) : void JSC::Heap::didFinishCollection(double)
1 0x107231430 WTFCrash
2 0x106ac1fd2 JSC::Heap::didFinishCollection(double)
3 0x106ac11a2 JSC::Heap::collectImpl(JSC::HeapOperation, void*, void*, int (&) [37])
4 0x106ac0aed JSC::Heap::collect(JSC::HeapOperation)
5 0x106a9f16b JSC::FullGCActivityCallback::doCollection()
6 0x106ab0db0 JSC::GCActivityCallback::doWork()
7 0x106adb34e JSC::HeapTimer::timerDidFire(__CFRunLoopTimer*, void*)
8 0x7fff8f40ab94 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
9 0x7fff8f40a823 __CFRunLoopDoTimer
10 0x7fff8f40a37a __CFRunLoopDoTimers
11 0x7fff8f401871 __CFRunLoopRun
12 0x7fff8f400ed8 CFRunLoopRunSpecific
13 0x7fff90d49935 RunCurrentEventLoopInMode
14 0x7fff90d4976f ReceiveNextEventCommon
15 0x7fff90d495af _BlockUntilNextEventMatchingListInModeWithFilter
16 0x7fff95c11df6 _DPSNextEvent
17 0x7fff95c11226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
18 0x7fff95c05d80 -[NSApplication run]
19 0x7fff95bcf368 NSApplicationMain
20 0x7fff9a697194 _xpc_objc_main
21 0x7fff9a695bbe xpc_main
22 0x102993080 main
23 0x7fff87f615ad start
LEAK: 23 WebProcessPool
LEAK: 23 WebPageProxy
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