[Webkit-unassigned] [Bug 279769] New: REGRESSION (283478 at main): [ Sonoma arm64 wk2 Release ] 4x http/tests/webgpu/webgpu/* tests are flaky failing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=279769

            Bug ID: 279769
           Summary: REGRESSION (283478 at main): [ Sonoma arm64 wk2 Release ]
                    4x http/tests/webgpu/webgpu/* tests are flaky failing.
           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: aviduya at apple.com
                CC: djg at apple.com, mwyrzykowski at apple.com,
                    tzagallo at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

http/tests/webgpu/webgpu/api/validation/queue/destroyed/buffer.html
http/tests/webgpu/webgpu/api/validation/queue/destroyed/query_set.html
http/tests/webgpu/webgpu/api/validation/queue/submit.html
http/tests/webgpu/webgpu/shader/execution/flow_control/switch.html
are flaky failing. 

DIFF:
Diff logs are long, for readability will attach links instead.

LINK: 
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/283686@main%20(5600)/http/tests/webgpu/webgpu/api/validation/queue/destroyed/buffer-diff.txt
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/283686@main%20(5600)/http/tests/webgpu/webgpu/api/validation/queue/destroyed/query_set-diff.txt
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/283686@main%20(5600)/http/tests/webgpu/webgpu/api/validation/queue/submit-diff.txt
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/283686@main%20(5600)/http/tests/webgpu/webgpu/shader/execution/flow_control/switch-diff.txt

REPRODUCIBILITY: 
I was able to bisect the regression using command
$ run-webkit-tests 283478 at main --test-list test_list.txt --iterations=100 --child-process=1

REGRESSION: 
In 283478 at main changes were made in WebGPU.

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