[Webkit-unassigned] [Bug 81673] New: [Chromium] Mac bots are frequently crashing on Animation tests

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=81673

           Summary: [Chromium] Mac bots are frequently crashing on
                    Animation tests
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://test-results.appspot.com/dashboards/flakiness_d
                    ashboard.html#tests=animations%2F3d%2Fmatrix-transform
                    -type-animation.html
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: leviw at chromium.org
                CC: jamesr at chromium.org


Here's a list of tests I've seen crashing recently... none are consistent:

compositing/animation/animation-compositing.html
compositing/animation/animated-composited-inside-hidden.html
animations/animation-add-events-in-handler.html
animations/3d/replace-filling-transform.html
animations/3d/state-at-end-event-transform.html
animations/3d/matrix-transform-type-animation.html

Probable cause: I'm not sure. The backtraces aren't very useful. Here's a sample from animated-composited-inside-hidden on 10.7:

Process:         DumpRenderTree [1165]
Path:            /b/*/DumpRenderTree.app/Contents/MacOS/DumpRenderTree
Identifier:      DumpRenderTree
Version:         ??? (???)
Code Type:       X86 (Native)
Parent Process:  Python [1151]

Date/Time:       2012-03-19 22:42:16.940 -0700
OS Version:      Mac OS X 10.7.3 (11D50b)
Report Version:  9

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000

Application Specific Information:
objc[1165]: garbage collection is OFF

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.CoreFoundation          0x981ffe91 __HALT + 1
1   com.apple.CoreFoundation          0x9812719d __CFBasicHashRehash + 2253
2   com.apple.CoreFoundation          0x9811f3bf __CFBasicHashAddValue + 63
3   com.apple.CoreFoundation          0x98126867 CFBasicHashAddValue + 2759
4   com.apple.CoreFoundation          0x98125d54 CFDictionaryAddValue + 228
5   com.apple.CoreFoundation          0x98130729 _CFBundleCopySortedDirectoryContentsAtPath + 1897
6   com.apple.CoreFoundation          0x9814339f _CFSearchBundleDirectory + 111
7   com.apple.CoreFoundation          0x981430e4 _CFFindBundleResourcesInRawDir + 2404
8   com.apple.CoreFoundation          0x98142599 _CFFindBundleResourcesInResourcesDir + 425
9   com.apple.CoreFoundation          0x9814228d _CFFindBundleResources + 2221
10  com.apple.CoreFoundation          0x98153ff4 CFBundleCopyResourceURL + 164
11  com.apple.Foundation              0x9057676d -[NSBundle pathForResource:ofType:] + 74
12  DumpRenderTree                    0x001b9474 0x97000 + 1188980
13  DumpRenderTree                    0x001bc9f0 0x97000 + 1202672
14  DumpRenderTree                    0x000a2cb0 0x97000 + 48304
15  DumpRenderTree                    0x0009ad56 0x97000 + 15702

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