243563 2022-08-04 15:28:44 -0700 fast/dom/HTMLLinkElement/link-stylesheet-load-once.html very frequently fail 2022-08-06 01:44:35 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=243626 InRadar P2 Normal --- 1 hhjalmarsson rniwa cdumez rniwa webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1888985 0 hhjalmarsson 2022-08-04 15:28:44 -0700 fast/dom/HTMLLinkElement/link-stylesheet-load-once.html Is a constant text failure on macOS/iOS15 wk2 queues. HISTORY: https://results.webkit.org/?suite=layout-tests&test=fast%2Fdom%2FHTMLLinkElement%2Flink-stylesheet-load-once.html DIFF: --- /Volumes/Data/worker/Apple-iPadOS-15-Simulator-Debug-WK2-Tests/build/layout-test-results/fast/dom/HTMLLinkElement/link-stylesheet-load-once-expected.txt +++ /Volumes/Data/worker/Apple-iPadOS-15-Simulator-Debug-WK2-Tests/build/layout-test-results/fast/dom/HTMLLinkElement/link-stylesheet-load-once-actual.txt @@ -1,7 +1,7 @@ -data:text/css,div { background: green; width: 100px; height: 100px } - willSendRequest <NSURLRequest URL data:text/css,div { background: green; width: 100px; height: 100px }, main document URL link-stylesheet-load-once.html, http method GET> redirectResponse (null) -link-stylesheet-load-once.html - didFinishLoading +data:text/css,div { background: green; width: 100px; height: 100px } - willSendRequest <NSURLRequest URL data:text/css,div { background: green; width: 100px; height: 100px }, main document URL (null), http method GET> redirectResponse (null) data:text/css,div { background: green; width: 100px; height: 100px } - didReceiveResponse <NSURLResponse data:text/css,div { background: green; width: 100px; height: 100px }, http status code 200> data:text/css,div { background: green; width: 100px; height: 100px } - didFinishLoading +link-stylesheet-load-once.html - didFinishLoading This tests overriding rel content attribute with the same value. You should see 1 in a green box below: DIFF URL: https://build.webkit.org/results/Apple-iPadOS-15-Simulator-Debug-WK2-Tests/252947@main%20(1934)/fast/dom/HTMLLinkElement/link-stylesheet-load-once-diff.txt 1888986 1 webkit-bug-importer 2022-08-04 15:29:20 -0700 <rdar://problem/98151769> 1888988 2 hhjalmarsson 2022-08-04 15:42:26 -0700 I was able to bisect this issue on macOS release to 252943@main when this test was first introduced by running command: run-webkit-tests --iterations=10 fast/dom/HTMLLinkElement/link-stylesheet-load-once.html 1888991 3 rniwa 2022-08-04 15:51:38 -0700 We probably need to skip this test on iOS for now. 1888994 4 hhjalmarsson 2022-08-04 15:53:26 -0700 (In reply to Ryosuke Niwa from comment #3) > We probably need to skip this test on iOS for now. I will set iOS expectation to skip. 1888998 5 ews-feeder 2022-08-04 16:04:06 -0700 Test gardening commit 253136@main (474ef37d3d46): <https://commits.webkit.org/253136@main> Reviewed commits have been landed. Closing PR #3030 and removing active labels. 1889002 6 rniwa 2022-08-04 16:14:52 -0700 Thanks! 1889061 7 rniwa 2022-08-04 22:43:08 -0700 Pull request: https://github.com/WebKit/WebKit/pull/3035 1889123 8 ews-feeder 2022-08-05 08:52:10 -0700 Committed 253147@main (7b24f7be0a0b): <https://commits.webkit.org/253147@main> Reviewed commits have been landed. Closing PR #3035 and removing active labels. 1889329 9 rniwa 2022-08-06 00:25:36 -0700 Hm... this test is still flaky on iOS :( 1889336 10 rniwa 2022-08-06 01:34:20 -0700 New diff looks like this: --- /Volumes/Data/worker/Apple-iPadOS-15-Simulator-Release-WK2-Tests/build/layout-test-results/fast/dom/HTMLLinkElement/link-stylesheet-load-once-expected.txt +++ /Volumes/Data/worker/Apple-iPadOS-15-Simulator-Release-WK2-Tests/build/layout-test-results/fast/dom/HTMLLinkElement/link-stylesheet-load-once-actual.txt @@ -1,5 +1,5 @@ +link-stylesheet-load-once.html - didFinishLoading resources/link-stylesheet-load-once.css - willSendRequest <NSURLRequest URL resources/link-stylesheet-load-once.css, main document URL link-stylesheet-load-once.html, http method GET> redirectResponse (null) -link-stylesheet-load-once.html - didFinishLoading resources/link-stylesheet-load-once.css - didReceiveResponse <NSURLResponse resources/link-stylesheet-load-once.css, http status code 0> resources/link-stylesheet-load-once.css - didFinishLoading This tests overriding rel content attribute with the same value. e.g. https://build.webkit.org/results/Apple-iPadOS-15-Simulator-Release-WK2-Tests/253154@main%20(2262)/results.html https://build.webkit.org/results/Apple-iPadOS-15-Simulator-Debug-WK2-Tests/253170@main%20(1968)/results.html 1889337 11 rniwa 2022-08-06 01:35:54 -0700 Unfortunately, I can't reproduce the failure locally so need to make another speculative fix. 1889338 12 rniwa 2022-08-06 01:37:17 -0700 Actually, let's use another bug. 1889340 13 rniwa 2022-08-06 01:38:06 -0700 Tracking the flakiness in https://bugs.webkit.org/show_bug.cgi?id=243626