235126 – [ Win EWS ] webanimations/accelerated-animation-after-forward-filling-animation.html is a constant image only failure

Bug 235126 - [ Win EWS ] webanimations/accelerated-animation-after-forward-filling-animation.html is a constant image only failure

Summary: [ Win EWS ] webanimations/accelerated-animation-after-forward-filling-animati...

Status:	NEW

Alias:	None

Product:	WebKit
Classification:	Unclassified
Component:	Animations (show other bugs)
Version:	WebKit Nightly Build
Hardware:	Unspecified Unspecified

Importance:	P2 Normal
Assignee:	Nobody

URL:
Keywords:	InRadar

Depends on:
Blocks:

Reported:	2022-01-12 11:34 PST by Robert Jenner
Modified:	2022-07-04 11:47 PDT (History)
CC List:	4 users (show)

See Also:	242249

Attachments
Actual, Expected, and Diff images attachment (4.38 KB, application/zip) 2022-01-12 11:35 PST, Robert Jenner	no flags	Details
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Description Robert Jenner 2022-01-12 11:34:40 PST

webanimations/accelerated-animation-after-forward-filling-animation.html

is a constant image only failure on Windows, and Windows EWS. 

HISTORY:
https://results.webkit.org/?suite=layout-tests&test=webanimations%2Faccelerated-animation-after-forward-filling-animation.html&version_name=Win10

DIFF URL:
https://build.webkit.org/results/Apple-Win-10-Release-Tests/r287927%20(3973)/webanimations/accelerated-animation-after-forward-filling-animation-diff.png

Comment 1 Robert Jenner 2022-01-12 11:35:37 PST

Created attachment 448976 [details]
Actual, Expected, and Diff images attachment

Comment 2 Robert Jenner 2022-01-12 11:54:18 PST

I have added an [ ImageOnlyFailure ] expectation for Windows here:

https://trac.webkit.org/changeset/287942/webkit

Comment 3 Radar WebKit Bug Importer 2022-01-12 11:57:10 PST

<rdar://problem/87473112>

Comment 4 Robert Jenner 2022-01-12 11:59:56 PST

It looks like the failure was introduced in between r287892 and r287903, with the last pass for this test occurring at r287892, and the first failure occurring at r287903. It appears that changes at r287896 deal with animation, and that may be the culprit. But I'm not 100% certain. 

https://trac.webkit.org/changeset/287896/webkit