Bug 261919

Summary: NEW TEST(247465@main): [ macOS wk2 ] webanimations/frame-rate/animation-frame-rate-alignment-started-with-one-frame-separation.html is a flaky failure.
Product: WebKit Reporter: Ben Schwartz <ben_schwartz>
Component: AnimationsAssignee: Antoine Quint <graouts>
Status: NEW    
Severity: Normal CC: dino, graouts, Morningstar, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=236778
https://bugs.webkit.org/show_bug.cgi?id=239574

Ben Schwartz
Reported 2023-09-21 16:44:11 PDT
webanimations/frame-rate/animation-frame-rate-alignment-started-with-one-frame-separation.html This test has been a flaky failure on macOS wk2 since its introduction at 247465@main. HISTORY: https://results.webkit.org/?suite=layout-tests&test=webanimations%2Fframe-rate%2Fanimation-frame-rate-alignment-started-with-one-frame-separation.html&recent=false TEXT DIFF: -PASS Animations with the same frameRate started separately fire at the same timeline time +FAIL Animations with the same frameRate started separately fire at the same timeline time assert_equals: The second timestamp was for animation "two" expected "two" but got "one" DIFF URL: https://build.webkit.org/results/Apple-Ventura-Release-AppleSilicon-WK2-Tests/268273%40main%20(5054)/webanimations/frame-rate/animation-frame-rate-alignment-started-with-one-frame-separation-pretty-diff.html REPRODUCIBILITY: I was able to reproduce this issue on macOS Ventura (13.5, 22G74/arm64) ToT using the following command: run-webkit-tests --clobber-old-results --verbose --iterations 100 --exit-after-n-failures 1 --child-processes 10 -f webanimations/frame-rate/animation-frame-rate-alignment-started-with-one-frame-separation.html REGRESSION: This test has been flaky since it was introduced at 247465@main.
Attachments
Radar WebKit Bug Importer
Comment 1 2023-09-21 16:44:36 PDT
EWS
Comment 2 2023-09-21 17:03:01 PDT
Test gardening commit 268285@main (63a48f8d2b4b): <https://commits.webkit.org/268285@main> Reviewed commits have been landed. Closing PR #18055 and removing active labels.
Dawn Morningstar
Comment 3 2024-08-10 01:51:24 PDT
This is flaky on iOS as well since it was introduced.
Dawn Morningstar
Comment 4 2024-08-10 01:58:17 PDT
EWS
Comment 5 2024-08-10 02:00:19 PDT
Test gardening commit 282075@main (c90b32d7e885): <https://commits.webkit.org/282075@main> Reviewed commits have been landed. Closing PR #31986 and removing active labels.
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