[Webkit-unassigned] [Bug 228255] New: [ iOS ] fast/mediastream/mediastreamtrack-audio-clone.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228255

            Bug ID: 228255
           Summary: [ iOS ]
                    fast/mediastream/mediastreamtrack-audio-clone.html is
                    a flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: iPhone / iPad
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ayumi_kojima at apple.com

fast/mediastream/mediastreamtrack-audio-clone.html

Is a flaky failure on iOS 14 E Simulator wk2 Debug (iPhone & iPad) & Release (iPhone)

History: https://results.webkit.org/?suite=layout-tests&test=fast%2Fmediastream%2Fmediastreamtrack-audio-clone.html

Diff:

--- /Volumes/Data/worker/ios-simulator-14-debug-tests-wk2/build/layout-test-results/fast/mediastream/mediastreamtrack-audio-clone-expected.txt
+++ /Volumes/Data/worker/ios-simulator-14-debug-tests-wk2/build/layout-test-results/fast/mediastream/mediastreamtrack-audio-clone-actual.txt
@@ -1,5 +1,6 @@
+CONSOLE MESSAGE: Failed to create MediaStream audio source: Request is not allowed

-PASS Stopping the audio track should not stop the audio track clone
+FAIL Stopping the audio track should not stop the audio track clone promise_test: Unhandled rejection with value: object "NotReadableError: The I/O read operation failed."
 PASS Stopping the audio track clone should not stop the audio track
 PASS Collecting the audio track clone should not stop the audio track

I was not able to bisect because I couldn’t reproduce the failure on the simulator (iOS 15) on my local machine using:

run-webkit-tests --iterations 2000 --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --no-retry --force --no-build -f fast/mediastream/mediastreamtrack-audio-clone.html --ios-simulator 

The test timed out and it hanged with --no-timeout flag.

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