Bug 208345

Summary: REGRESSION: [ Mac wk1 ] fast/canvas/webgl/canvas-webgl-page-cache.html is flaky crashing in rx::GetFunctionsGL
Product: WebKit Reporter: Jason Lawrence <Lawrence.j>
Component: WebGLAssignee: Nobody <webkit-unassigned>
Status: RESOLVED CONFIGURATION CHANGED    
Severity: Normal CC: cdumez, dino, jdarpinian, justin_fan, kbr, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Mac   
OS: macOS 10.14   
Attachments:
Description Flags
crash log none

Jason Lawrence
Reported 2020-02-27 15:31:20 PST
Created attachment 391929 [details] crash log fast/canvas/webgl/canvas-webgl-page-cache.html Description: This test is flaky crashing on Mac. It appears to have a regression point at r256910. History: https://results.webkit.org/?suite=layout-tests&test=fast%2Fcanvas%2Fwebgl%2Fcanvas-webgl-page-cache.html&flavor=wk1&limit=50000&platform=mac Crash log attached.
Attachments
crash log (90.98 KB, text/plain)
2020-02-27 15:31 PST, Jason Lawrence 		no flags
Details
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Radar WebKit Bug Importer
Comment 1 2020-02-27 15:32:15 PST
<rdar://problem/59865686>
Jason Lawrence
Comment 2 2020-02-27 15:45:25 PST
I have marked this test as crashing while this is investigated. https://trac.webkit.org/changeset/257594/webkit
Alexey Proskuryakov
Comment 3 2020-02-29 13:01:53 PST
Seems more likely to be an ANGLE regression, r256784. Jason couldn't reproduce, but it's certainly happening on the bots.
Kenneth Russell
Comment 4 2020-03-01 10:58:17 PST
Most likely when a page is retrieved from the back-forward cache it's not reinitializing all of the ANGLE-related data structures. Need to catch this in the debugger.
Ryan Haddad
Comment 5 2020-04-28 22:53:29 PDT
Removed flaky expectation in https://trac.webkit.org/changeset/260873/webkit since the test has been consistently passing for the past few weeks.
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