[Webkit-unassigned] [Bug 261922] New: REGRESSION(268267 at main): [ macOS wk2 ] fast/scrolling/mac/programmatic-scroll-overrides-rubberband.html is consistently timing out.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=261922

            Bug ID: 261922
           Summary: REGRESSION(268267 at main): [ macOS wk2 ]
                    fast/scrolling/mac/programmatic-scroll-overrides-rubbe
                    rband.html is consistently timing out.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ben_schwartz at apple.com
                CC: nmouchtaris at apple.com, simon.fraser at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

fast/scrolling/mac/programmatic-scroll-overrides-rubberband.html

This test has further regressed from bug #228591 into a consistent timeout on macOS wk2.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fscrolling%2Fmac%2Fprogrammatic-scroll-overrides-rubberband.html

TEXT DIFF:

+FAIL: Timed out waiting for notifyDone to be called
+

 Test that rubberbanding is canceled when the page does a programmatic scroll
 Waiting for rubberband...
-PASS window.scrollY is 1000
-PASS successfullyParsed is true

-TEST COMPLETE
-

DIFF URL:

https://build.webkit.org/results/Apple-Ventura-Release-AppleSilicon-WK2-Tests/268273@main%20(5054)/fast/scrolling/mac/programmatic-scroll-overrides-rubberband-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 10 --exit-after-n-failures 1 fast/scrolling/mac/programmatic-scroll-overrides-rubberband.html

REGRESSION:

I was able to bisect a likely regression point at 268267 at main; changes appear to be directly related to this issue, and the issue did not reproduce before that point.

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