240830 2022-05-23 15:00:36 -0700 REGRESSION (ANGLE update to 2022-04-26?): [ Monterey wk2 ] webgl/2.0.0/conformance/attribs/gl-vertexattribpointer-offsets.html is a flaky timeout 2023-03-15 07:31:43 -0700 1 1 1 Unclassified WebKit WebGL WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=242106 https://bugs.webkit.org/show_bug.cgi?id=253960 InRadar P2 Normal --- 239114 1 rackler rackler dino gman kbr kkinnunen kpiddington webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1871313 0 rackler 2022-05-23 15:00:36 -0700 Description: webgl/2.0.0/conformance/attribs/gl-vertexattribpointer-offsets.html The first failure that I saw on the dashboard for Monterey was on 4/27/2022 at r293519. History: https://results.webkit.org/?suite=layout-tests&test=webgl%2F2.0.0%2Fconformance%2Fattribs%2Fgl-vertexattribpointer-offsets.html&platform=mac&architecture=x86_64&flavor=wk2&limit=50000&version_name=Monterey Diff: No Diff. https://build.webkit.org/results/Apple-Monterey-Debug-WK2-Tests/250050@main%20(1596)/webgl/2.0.0/conformance/attribs/gl-vertexattribpointer-offsets-diff.txt 1871314 1 webkit-bug-importer 2022-05-23 15:01:02 -0700 <rdar://problem/93786598> 1871318 2 rackler 2022-05-23 15:08:48 -0700 I have marked this test as a flaky timeout while this issue is investigated. 1871319 3 rackler 2022-05-23 15:12:18 -0700 Pull request: https://github.com/WebKit/WebKit/pull/946 1871321 4 ews-feeder 2022-05-23 15:15:16 -0700 Test gardening commit r294687 (250893@main): <https://commits.webkit.org/250893@main> Reviewed commits have been landed. Closing PR #946 and removing active labels. 1871782 5 ryanhaddad 2022-05-25 11:08:17 -0700 The test had been running in 19 seconds or fewer up until the result at 250045@main, then it started taking https://commits.webkit.org/250044@main was a update of ANGLE, so it is likely the cause of the slowdown. 1871788 6 kbr 2022-05-25 11:30:39 -0700 This test runs pretty much instantaneously on macOS 12.4 on an M1 MBP in both Safari Tech Preview and Chrome Canary, both with ANGLE's Metal backend. What could be the essential difference between WebKit's layout test harness and the browser causing this test to be so slow? 1871790 7 ryanhaddad 2022-05-25 11:33:07 -0700 (In reply to Ryan Haddad from comment #5) > The test had been running in 19 seconds or fewer up until the result at > 250045@main, then it started taking (sorry, saved before finishing my sentence) ... then it started taking 20+ seconds and intermittently timing out. (In reply to Kenneth Russell from comment #6) at could be the essential difference between WebKit's layout test harness > and the browser causing this test to be so slow? This I'm not sure, maybe Kimmo or others can comment.