[Webkit-unassigned] [Bug 267439] New: REGRESSION(267516 at main?): [ Monterey Ventura wk2 ] 2 compositing/hidpi-image-backing-store tests are constantly failing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=267439

            Bug ID: 267439
           Summary: REGRESSION(267516 at main?): [ Monterey Ventura wk2 ] 2
                    compositing/hidpi-image-backing-store tests are
                    constantly failing.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Compositing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ben_schwartz at apple.com
                CC: simon.fraser at apple.com

The following two tests are constantly failing on macOS Monterey and Ventura, wk2:

compositing/hidpi-image-backing-store.html
compositing/hidpi-image-backing-store-scaled.html

HISTORY:

https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=compositing%2Fhidpi-image-backing-store.html&test=compositing%2Fhidpi-image-backing-store-scaled.html&platform=mac&flavor=wk2&recent=false

TEXT DIFF (compositing/hidpi-image-backing-store.html):

         (GraphicsLayer
           (position 8.00 50.00)
           (bounds 150.00 150.00)
-          (drawsContent 1)
-          (device scale 1.00)
+          (device scale 2.00)
         )
       )
     )
DIFF URL: https://build.webkit.org/results/Apple-Ventura-Release-AppleSilicon-WK2-Tests/272944@main%20(6938)/compositing/hidpi-image-backing-store-pretty-diff.html


TEXT DIFF (compositing/hidpi-image-backing-store-scaled.html):

         (GraphicsLayer
           (position 8.00 50.00)
           (bounds 200.00 150.00)
-          (drawsContent 1)
           (device scale 2.00)
         )
       )
DIFF URL: https://build.webkit.org/results/Apple-Ventura-Release-AppleSilicon-WK2-Tests/272944@main%20(6938)/compositing/hidpi-image-backing-store-scaled-pretty-diff.html


REPRODUCIBILITY:

I was able to reproduce this issue on macOS Monterey (12.7, 21G816/x86_64) ToT using the following command:

run-webkit-tests -v compositing/hidpi-image-backing-store.html compositing/hidpi-image-backing-store-scaled.html --force

REGRESSION:

This issue appears to have started with the migration of Sonoma test expectations to OpenSource at 267516 at main.

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