[Webkit-unassigned] [Bug 239794] New: [ macOS ] webanimations/accelerated-animation-after-forward-filling-animation.html is a flaky image failure

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Apr 26 16:31:27 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=239794

            Bug ID: 239794
           Summary: [ macOS ]
                    webanimations/accelerated-animation-after-forward-fill
                    ing-animation.html is a flaky image failure
           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: rackler at apple.com

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

The first failure that I saw on the dashboard for Big Sur was 2/16/2022 at r289890, which had to do with modifying ContainerQueryEvaluator but it is unclear if this is causing the issue.  The first failure that I saw on the the dashboard for Monterey was 3/17/2022 at r291447.  They have remained flaky image failures throughout history on the dashboard. 

REPRODUCTION STEPS
I can reproduce this on ToT ( r293441 ).

Command: 
run-webkit-tests --root 293441 --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --pixel-tests --tolerance 5 --iterations 2000 -f --no-retry

Result: 
Unexpected flakiness: image-only failures (1)
  webanimations/accelerated-animation-after-forward-filling-animation.html [ ImageOnlyFailure Pass ]

History:
https://results.webkit.org/?suite=layout-tests&test=webanimations%2Faccelerated-web-animation-with-single-interval-and-easing-y-axis-above-1.html&platform=mac&limit=50000

Image Diff:
https://build.webkit.org/results/Apple-Monterey-Debug-WK2-Tests/249998@main%20(986)/webanimations/accelerated-animation-after-forward-filling-animation-diffs.html

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