254690 2023-03-29 14:30:47 -0700 REGRESSION(262009@main): [ iOS x86_64 ] 2X webgl/conformance/textures/canvas (layout-tests) are flaky timeouts 2023-04-11 06:16:49 -0700 1 1 1 Unclassified WebKit WebGL WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=253886 https://bugs.webkit.org/show_bug.cgi?id=255281 InRadar P2 Normal --- 1 jenner kkinnunen dino fujii kbr kkinnunen webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1945114 0 jenner 2023-03-29 14:30:47 -0700 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 1945151 1 webkit-bug-importer 2023-03-29 16:02:30 -0700 <rdar://problem/107390761> 1945153 2 jenner 2023-03-29 16:04:54 -0700 It appears this only impacts simulators running on Intel Macs, and it runs/passes just fine on Apple Silicon Macs. 1945171 3 ews-feeder 2023-03-29 16:40:06 -0700 Test gardening commit 262302@main (148c11453551): <https://commits.webkit.org/262302@main> Reviewed commits have been landed. Closing PR #12145 and removing active labels. 1945174 4 jenner 2023-03-29 16:48:09 -0700 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 1946829 5 fujii 2023-04-05 14:11:37 -0700 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 1947906 6 kkinnunen 2023-04-11 06:16:49 -0700 (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