NEW 201877
REGRESSION (macOS): Many webgpu/whlsl* tests are flaky failures. 
https://bugs.webkit.org/show_bug.cgi?id=201877
Summary REGRESSION (macOS): Many webgpu/whlsl* tests are flaky failures.
Russell Epstein
Reported 2019-09-17 11:52:11 PDT
The following layout tests have recently become flaky: webgpu/whlsl/arbitrary-vertex-attribute-locations.html webgpu/whlsl/nested-dot-expression-rvalue.html webgpu/whlsl/ensure-proper-variable-lifetime-3.html webgpu/whlsl/separate-shader-modules/separate-shader-modules.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-2.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-10.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-11.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-12.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-13.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-14.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-15.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-16.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-17.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-18.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-19.html This issue appears to be limited to specific hardware configurations, potentially due to differences in discrete/integrated GPU: Macmini8,1 MacbookPro13,3 MacbookPro14,2 MacbookPro15,1
Attachments
Add attachment proposed patch, testcase, etc.
Russell Epstein
Comment 1 2019-09-17 11:52:42 PDT
rdar://55204775
Russell Epstein
Comment 2 2019-09-17 11:58:51 PDT
Marked tests as flaky in r249971, as they are causing a fair amount of noise for bot watchers.
Russell Epstein
Comment 3 2019-09-17 12:02:13 PDT
(In reply to Russell Epstein from comment #2) > Marked tests as flaky in r249971, as they are causing a fair amount of noise > for bot watchers. Corrected TestExpectations in r249972
Russell Epstein
Comment 4 2019-09-18 09:11:14 PDT
Two additional tests are flaky: webgpu/whlsl/separate-shader-modules/separate-shader-modules-24.html webgpu/whlsl/separate-shader-modules/separate-shader-modules-26.html Marked as such in r250038.
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