[Webkit-unassigned] [Bug 261215] New: REGRESSION(267620 at main): [ macOS wk2 ] webrtc/vp8-then-h264-gpu-process-crash.html is a flaky failure.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=261215

            Bug ID: 261215
           Summary: REGRESSION(267620 at main): [ macOS wk2 ]
                    webrtc/vp8-then-h264-gpu-process-crash.html is a flaky
                    failure.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ben_schwartz at apple.com
                CC: kkinnunen at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com, youennf at gmail.com

webrtc/vp8-then-h264-gpu-process-crash.html

This test is a flaky failure on macOS wk2.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=webrtc%2Fvp8-then-h264-gpu-process-crash.html&platform=mac

TEXT DIFF:

 PASS Setting video exchange with VP8
 PASS Setting exchange with H264 using VP8 decoded stream as input
-PASS Frames should be coming even after gpu process crash
+FAIL Frames should be coming even after gpu process crash promise_test: Unhandled rejection with value: "test increasing frame decoded timed out"

DIFF URL:

https://build.webkit.org/results/Apple-Ventura-Release-AppleSilicon-WK2-Tests/267668%40main%20(4797)/webrtc/vp8-then-h264-gpu-process-crash-pretty-diff.html

REPRODUCIBILITY:

I was able to reproduce this bug on macOS Ventura (13.5, 22G74/arm64) using the following command:

rwt --clobber-old-results --verbose --iterations 500 --child-processes 10 -f --exit-after-n-failures 1 webrtc/vp8-then-h264-gpu-process-crash.html

REGRESSION:

The regression point seems to be 267620 at main, as this was the first instance of the failure and the changes appear directly related to the failing test.

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