201877 2019-09-17 11:52:11 -0700 REGRESSION (macOS): Many webgpu/whlsl* tests are flaky failures. 2019-09-18 09:11:14 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Mac Unspecified NEW InRadar P2 Normal --- 1 repstein webkit-unassigned webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1571605 0 repstein 2019-09-17 11:52:11 -0700 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 1571606 1 repstein 2019-09-17 11:52:42 -0700 rdar://55204775 1571609 2 repstein 2019-09-17 11:58:51 -0700 Marked tests as flaky in r249971, as they are causing a fair amount of noise for bot watchers. 1571611 3 repstein 2019-09-17 12:02:13 -0700 (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 1571917 4 repstein 2019-09-18 09:11:14 -0700 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.