[Webkit-unassigned] [Bug 288757] New: REGRESSION(289984 at main?): [ macOS wk1 ] imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-css-invalidation.html is a flaky failure.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=288757

            Bug ID: 288757
           Summary: REGRESSION(289984 at main?): [ macOS wk1 ]
                    imported/w3c/web-platform-tests/fullscreen/rendering/f
                    ullscreen-css-invalidation.html is a flaky failure.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: y_karimi at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com, zalan at apple.com

imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-css-invalidation.html 

This test is a flaky failure on macOS Sonoma wk1 and macOS Sequoia wk1 Release.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Ffullscreen%2Frendering%2Ffullscreen-css-invalidation.html

TEXT DIFF:

@@ -1,4 +1,5 @@
-Should be green
-
-PASS Invalidate :fullscreen based style
-
+layer at (0,0) size 800x600
+  RenderView at (0,0) size 800x600
+layer at (0,0) size 800x600
+  RenderBlock {HTML} at (0,0) size 800x600
+    RenderBody {BODY} at (8,8) size 784x584

DIFF URL:

https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK1-Tests/291242@main%20(8310)/imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-css-invalidation-pretty-diff.html

REPRODUCIBILITY:

Reproduction of this on MacOS Sequoia 15.3.1 (24D70 / arm64) at ToT, resulted in a crashes with the following command:

run-webkit-tests imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-css-invalidation.html --iterations 5 -1

REGRSSION:

According to the results dashboard and contextual information, the probable regression point is 289984 at main. The code paths changed in this commit appear to be related to the observed regression test failure.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20250227/a5f7d92d/attachment.htm>