[Webkit-unassigned] [Bug 261314] New: REGRESSION(266896 at main): [ Debug wk2 ] fast/mediastream/captureStream/canvas3d.html is a constant failure.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Sep 7 21:50:13 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=261314

            Bug ID: 261314
           Summary: REGRESSION(266896 at main): [ Debug wk2 ]
                    fast/mediastream/captureStream/canvas3d.html is a
                    constant failure.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ben_schwartz at apple.com
                CC: rniwa at webkit.org,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

fast/mediastream/captureStream/canvas3d.html

This test is a constant failure on debug builds of wk2 (both macOS and iOS).

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fmediastream%2FcaptureStream%2Fcanvas3d.html&style=debug

TEXT DIFF:

 PASS captureStream with 3d context drawing - not buffered initially
-PASS captureStream with 3d context drawing - buffered initially
+FAIL captureStream with 3d context drawing - buffered initially assert_true: expecting value 1 to be part of a green pixel expected true got false

DIFF URL:

https://build.webkit.org/results/Apple-Ventura-Debug-WK2-GPUProcess-Tests/266898@main%20(3329)/fast/mediastream/captureStream/canvas3d-pretty-diff.html

REPRODUCIBILITY:

I was able to reproduce this issue on macOS Ventura (13.5, 22G74/arm64) ToT using the following command:

run-webkit-tests --debug --verbose --clobber-old-results fast/mediastream/captureStream/canvas3d.html

REGRESSION:

I was able to bisect a regression point at 266896 at main, as the issue did not reproduce at 266895 at main or before.

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