[Webkit-unassigned] [Bug 243494] New: [ iOS Debug ][ macOS Debug wk1 ] compositing/layer-creation/scale-rotation-animation-overlap.html is a flaky timeout

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=243494

            Bug ID: 243494
           Summary: [ iOS Debug ][ macOS Debug wk1 ]
                    compositing/layer-creation/scale-rotation-animation-ov
                    erlap.html is a flaky timeout
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
compositing/layer-creation/scale-rotation-animation-overlap.html

The first timeout that I observed for iOS Debug on the dashboard was on 4/14/2022 at 249631 at main.  The first timeout that I observed for macOS Debug wk1 x86_64 was on 4/13/2022 at 249601 at main.

REPRODUCTION STEPS
I can reproduce this on ToT ( 253057 at main ).

Command: 
run-webkit-tests --ios-simulator --debug --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --iterations 50 --no-retry compositing/layer-creation/scale-rotation-animation-overlap.html

Result: 
Regressions: Unexpected timeouts (1)
  compositing/layer-creation/scale-rotation-animation-overlap.html [ Timeout ]

History:
[ iOS  Debug ]
https://results.webkit.org/?suite=layout-tests&test=compositing%2Flayer-creation%2Fscale-rotation-animation-overlap.html&platform=ios&style=debug&limit=50000
[ macOS Debug wk1 ] 
https://results.webkit.org/?suite=layout-tests&test=compositing%2Flayer-creation%2Fscale-rotation-animation-overlap.html&platform=mac&flavor=wk1&style=debug&architecture=x86_64&limit=50000

Diff: 
[ iOS  Debug ]
--- /Volumes/Data/worker/Apple-iPadOS-15-Simulator-Debug-WK2-Tests/build/layout-test-results/compositing/layer-creation/scale-rotation-animation-overlap-expected.txt
+++ /Volumes/Data/worker/Apple-iPadOS-15-Simulator-Debug-WK2-Tests/build/layout-test-results/compositing/layer-creation/scale-rotation-animation-overlap-actual.txt
@@ -1,3 +1,5 @@
+FAIL: Timed out waiting for notifyDone to be called
+
 (GraphicsLayer
   (anchor 0.00 0.00)
   (bounds 800.00 640.00)

stderr:
[ macOS Debug wk1 ] x86_64
2022-08-02 13:37:47.148 DumpRenderTree[42068:12065866] nil host used in call to allowsSpecificHTTPSCertificateForHost
2022-08-02 13:37:47.148 DumpRenderTree[42068:12065866] nil host used in call to allowsAnyHTTPSCertificateForHost:

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