[Webkit-unassigned] [Bug 244983] New: REGRESSION (252487 at main?): [ BigSur wk2 Release ] Three webgl/2.0.0/deqp/functional/gles3/uniform tests are a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=244983

            Bug ID: 244983
           Summary: REGRESSION (252487 at main?): [ BigSur wk2 Release ]
                    Three webgl/2.0.0/deqp/functional/gles3/uniform tests
                    are a flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
webgl/2.0.0/deqp/functional/gles3/uniformbuffers/instance_array_basic_type.html
webgl/2.0.0/deqp/functional/gles3/uniformapi/value_initial.html
webgl/2.0.0/deqp/functional/gles3/uniformapi/random.html

These tests were passing consistently until approximately at 252487 at main when they began to flaky fail. 

History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&test=webgl%2F2.0.0%2Fdeqp%2Ffunctional%2Fgles3%2Funiformapi%2Frandom.html&test=webgl%2F2.0.0%2Fdeqp%2Ffunctional%2Fgles3%2Funiformapi%2Fvalue_initial.html&test=webgl%2F2.0.0%2Fdeqp%2Ffunctional%2Fgles3%2Funiformbuffers%2Finstance_array_basic_type.html

Diff:
https://build.webkit.org/results/Apple-BigSur-Release-WK2-WebGL-GPUProcess-Tests/252487@main%20(8643)/webgl/2.0.0/deqp/functional/gles3/uniformapi/random-diff.txt
https://build.webkit.org/results/Apple-BigSur-Release-WK2-WebGL-GPUProcess-Tests/252501@main%20(8652)/webgl/2.0.0/deqp/functional/gles3/uniformbuffers/instance_array_basic_type-diff.txt
https://build.webkit.org/results/Apple-BigSur-Release-WK2-WebGL-GPUProcess-Tests/252490@main%20(8646)/webgl/2.0.0/deqp/functional/gles3/uniformapi/value_initial-diff.txt

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