Bug 254690 – REGRESSION(262009@main): [ iOS x86_64 ] 2X webgl/conformance/textures/canvas (layout-tests) are flaky timeouts

• Status: NEW
• Component: WebGL

[Robert Jenner]

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

[Radar WebKit Bug Importer]

<rdar://problem/107390761>

[Robert Jenner]

It appears this only impacts simulators running on Intel Macs, and it runs/passes just fine on Apple Silicon Macs.

[EWS]

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]

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]

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]

(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