[Webkit-unassigned] [Bug 259708] New: [ macOS WK2 ] fast/mediastream/video-rotation-gpu-process-crash.html is a flaky crash/failure/timeout.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=259708

            Bug ID: 259708
           Summary: [ macOS WK2 ]
                    fast/mediastream/video-rotation-gpu-process-crash.html
                    is a flaky crash/failure/timeout.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGPU
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ben_schwartz at apple.com

Created attachment 467172

  --> https://bugs.webkit.org/attachment.cgi?id=467172&action=review

Crash log.

fast/mediastream/video-rotation-gpu-process-crash.html

This test is a flaky crash/failure/timeout on macOS WK2.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fmediastream%2Fvideo-rotation-gpu-process-crash.html&platform=mac

CRASH LOG:

See attached.

TEXT DIFF (on failure):

+CONSOLE MESSAGE: first pixel is not green

-PASS
+

DIFF URL (on failure):

https://build.webkit.org/results/Apple-Ventura-Debug-WK2-Tests/266419@main%20(2732)/fast/mediastream/video-rotation-gpu-process-crash-pretty-diff.html

TEXT DIFF (on timeout):

+FAIL: Timed out waiting for notifyDone to be called

-PASS
+
+

DIFF URL (on timeout):

https://build.webkit.org/results/Apple-Monterey-Release-WK2-Tests/266423@main%20(9826)/fast/mediastream/video-rotation-gpu-process-crash-pretty-diff.html

REPRODUCIBILITY:

I was able to reproduce this bug on macOS Ventura arm64 ToT running the test as follows:

run-webkit-tests --clobber-old-results --force -f --iterations 100 --child-processes=5 --verbose fast/mediastream/video-rotation-gpu-process-crash.html

REGRESSION:

I was unable to bisect a regression point as the issue has persisted for years (test results are very limited). The earliest crash result I could find was at 249187 at main, but it doesn't look like the changes are related to this issue.

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