Bug 254690

Summary: REGRESSION(262009@main): [ iOS x86_64 ] 2X webgl/conformance/textures/canvas (layout-tests) are flaky timeouts
Product: WebKit Reporter: Robert Jenner <jenner>
Component: WebGLAssignee: Kimmo Kinnunen <kkinnunen>
Status: NEW    
Severity: Normal CC: dino, Hironori.Fujii, kbr, kkinnunen, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=253886
https://bugs.webkit.org/show_bug.cgi?id=255281

Robert Jenner
Reported 2023-03-29 14:30:47 PDT
The following two webgl/conformance/textures/canvas layout-tests are near constant timeouts on iOS: webgl/1.0.x/conformance/textures/canvas/tex-2d-rgb-rgb-unsigned_byte.html webgl/2.0.y/conformance/textures/canvas/tex-2d-rgb-rgb-unsigned_byte.html HISTORY: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=webgl%2F1.0.x%2Fconformance%2Ftextures%2Fcanvas%2Ftex-2d-rgb-rgb-unsigned_byte.html&test=webgl%2F2.0.y%2Fconformance%2Ftextures%2Fcanvas%2Ftex-2d-rgb-rgb-unsigned_byte.html These tests are not new tests, but it does appear that they were disabled for a while, and got re-enabled at https://commits.webkit.org/262009@main
Attachments
Radar WebKit Bug Importer
Comment 1 2023-03-29 16:02:30 PDT
Robert Jenner
Comment 2 2023-03-29 16:04:54 PDT
It appears this only impacts simulators running on Intel Macs, and it runs/passes just fine on Apple Silicon Macs.
EWS
Comment 3 2023-03-29 16:40:06 PDT
Test gardening commit 262302@main (148c11453551): <https://commits.webkit.org/262302@main> Reviewed commits have been landed. Closing PR #12145 and removing active labels.
Robert Jenner
Comment 4 2023-03-29 16:48:09 PDT
I can consistently reproduce this on iOS16 simulator ToT on an Intel Mac running the test as follows: run-webkit-tests --iOS-simulator <test_name_goes_here> --debug --force
Fujii Hironori
Comment 5 2023-04-05 14:11:37 PDT
This problem doesn't seem to be iOS specific. Some WebGL tests are flaky these days for some ports. https://build.webkit.org/results/Apple-Monterey-Release-WK2-Tests/262623@main%20(8509)/results.html
Kimmo Kinnunen
Comment 6 2023-04-11 06:16:49 PDT
(In reply to Fujii Hironori from comment #5) > This problem doesn't seem to be iOS specific. Some WebGL tests are flaky > these days for some ports. > https://build.webkit.org/results/Apple-Monterey-Release-WK2-Tests/ > 262623@main%20(8509)/results.html For investigation into Apple-Monterey-Release-WK2-Tests failures, I filed bug 255281
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