Bug 223387

Summary: [ macOS wk2 ] media/track/track-cue-css.html is a flakey Image failure
Product: WebKit Reporter: Robert Jenner <jenner>
Component: MediaAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: eric.carlson, jer.noble, peng.liu6, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Image DIFFS none

Robert Jenner
Reported 2021-03-17 11:08:09 PDT
media/track/track-cue-css.html is a flakey image failure in macOS Catalina+ in release and debug, on wk1 an wk2, one Intel and Apple Silicon Macs. HISTORY URL: https://results.webkit.org/?suite=layout-tests&test=media%2Ftrack%2Ftrack-cue-css.html&platform=mac Image Diffs have been attached to this bug.
Attachments
Image DIFFS (60.45 KB, application/zip)
2021-03-17 11:24 PDT, Robert Jenner 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Robert Jenner
Comment 1 2021-03-17 11:24:17 PDT
Created attachment 423507 [details] Image DIFFS Attaching image diffs to bug.
Radar WebKit Bug Importer
Comment 2 2021-03-17 11:24:47 PDT
<rdar://problem/75535441>
Robert Jenner
Comment 3 2021-03-17 15:32:48 PDT
I was able to reproduce the failure at BigSur Debug ToT using the following test: run-webkit-test media/track/track-cue-css.html --iterations 1000 --child-process=1 I could not track down a regression point, as it appears this test has been a flakey image failure for a while. But it is reproducible at ToT at least.
Robert Jenner
Comment 4 2021-03-17 15:42:23 PDT
I have updated the test expectations to Pass ImageOnlyFailure to deal with the flakiness of this test while it is being reviewed: https://trac.webkit.org/changeset/274595/webkit
Eric Carlson
Comment 5 2021-03-22 17:45:15 PDT
It looks like the "actual" results are correct, and the "expected" results incorrect.
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