[Webkit-unassigned] [Bug 224523] New: [WinCairo][curl] flaky http test failures under heavy CPU load

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=224523

            Bug ID: 224523
           Summary: [WinCairo][curl] flaky http test failures under heavy
                    CPU load
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com

[WinCairo][curl] flaky http test failures under heavy CPU load

http tests are randomly failing for WinCairo WebKit1 and WebKit2.

This issue can be reproduced by the following command.

> python.exe ./Tools/Scripts/run-webkit-tests --wincairo --release  --no-new-test-results --no-retry-failures http/tests/css/border-image-loading.html --iterations=10000 --exit-after-n-failures=20 -f --no-show-results

[11/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[11/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[12/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[15/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[15/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[27/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[31/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[32/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[32/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[32/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[39/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[44/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[52/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[57/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[58/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[60/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[61/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[65/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[67/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
[69/10000] http/tests/css/border-image-loading.html failed unexpectedly (text diff)
Exiting early after 20 failures. 54 tests run.

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