<html>
    <head>
      <base href="https://bugs.webkit.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [ BigSur ] 14 media/modern-media-controls/* tests are flaky timing out"
   href="https://bugs.webkit.org/show_bug.cgi?id=228742">228742</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[ BigSur ] 14 media/modern-media-controls/* tests are flaky timing out
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Media
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned@lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ayumi_kojima@apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>media/modern-media-controls/controls-visibility-support/controls-visibility-support-controls-on.html
media/modern-media-controls/controls-visibility-support/controls-visibility-support-controls-off.html
media/modern-media-controls/controls-visibility-support/controls-visibility-support-controls-on-audio.html
media/modern-media-controls/controls-visibility-support/controls-visibility-support-controls-toggle.html
media/modern-media-controls/media-controller/media-controller-fullscreen-ltr.html
media/modern-media-controls/media-controller/media-controller-resize.html
media/modern-media-controls/media-controller/media-controller-controls-sizing-with-border-and-padding.html
media/modern-media-controls/mute-support/mute-support-media-api.html
media/modern-media-controls/placard-support/placard-support-error-recover.html
media/modern-media-controls/start-support/start-support-manual-play.html
media/modern-media-controls/start-support/start-support-fullscreen.html
media/modern-media-controls/start-support/start-support-click-to-start.html
media/modern-media-controls/volume-support/volume-support-media-api.html
media/modern-media-controls/volume-support/volume-support-media-api-mute.html

Are flaky timing out on BigSur. 

Though how flaky the timeouts are and where the timeouts are seen (Debug vs Release, wk 1 vs wk2, Intel vs arm64 ) vary depending on the tests, they all have a very similar pattern in that the flaky timeouts seem to have started at around the same time. 

History: <a href="https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=media%2Fmodern-media-controls%2Fmedia-controller%2Fmedia-controller-fullscreen-ltr.html&test=media%2Fmodern-media-controls%2Fstart-support%2Fstart-support-click-to-start.html&test=media%2Fmodern-media-controls%2Fvolume-support%2Fvolume-support-media-api.html&test=media%2Fmodern-media-controls%2Fmedia-controller%2Fmedia-controller-controls-sizing-with-border-and-padding.html&test=media%2Fmodern-media-controls%2Fplacard-support%2Fplacard-support-error-recover.html&test=media%2Fmodern-media-controls%2Fcontrols-visibility-support%2Fcontrols-visibility-support-controls-on-audio.html&test=media%2Fmodern-media-controls%2Fmedia-controller%2Fmedia-controller-resize.html&test=media%2Fmodern-media-controls%2Fvolume-support%2Fvolume-support-media-api-mute.html&test=media%2Fmodern-media-controls%2Fstart-support%2Fstart-support-fullscreen.html&test=media%2Fmodern-media-controls%2Fcontrols-visibility-support%2Fcontrols-visibility-support-controls-on.html&test=media%2Fmodern-media-controls%2Fmute-support%2Fmute-support-media-api.html&test=media%2Fmodern-media-controls%2Fstart-support%2Fstart-support-manual-play.html&test=media%2Fmodern-media-controls%2Fcontrols-visibility-support%2Fcontrols-visibility-support-controls-toggle.html&test=media%2Fmodern-media-controls%2Fcontrols-visibility-support%2Fcontrols-visibility-support-controls-off.html">https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=media%2Fmodern-media-controls%2Fmedia-controller%2Fmedia-controller-fullscreen-ltr.html&test=media%2Fmodern-media-controls%2Fstart-support%2Fstart-support-click-to-start.html&test=media%2Fmodern-media-controls%2Fvolume-support%2Fvolume-support-media-api.html&test=media%2Fmodern-media-controls%2Fmedia-controller%2Fmedia-controller-controls-sizing-with-border-and-padding.html&test=media%2Fmodern-media-controls%2Fplacard-support%2Fplacard-support-error-recover.html&test=media%2Fmodern-media-controls%2Fcontrols-visibility-support%2Fcontrols-visibility-support-controls-on-audio.html&test=media%2Fmodern-media-controls%2Fmedia-controller%2Fmedia-controller-resize.html&test=media%2Fmodern-media-controls%2Fvolume-support%2Fvolume-support-media-api-mute.html&test=media%2Fmodern-media-controls%2Fstart-support%2Fstart-support-fullscreen.html&test=media%2Fmodern-media-controls%2Fcontrols-visibility-support%2Fcontrols-visibility-support-controls-on.html&test=media%2Fmodern-media-controls%2Fmute-support%2Fmute-support-media-api.html&test=media%2Fmodern-media-controls%2Fstart-support%2Fstart-support-manual-play.html&test=media%2Fmodern-media-controls%2Fcontrols-visibility-support%2Fcontrols-visibility-support-controls-toggle.html&test=media%2Fmodern-media-controls%2Fcontrols-visibility-support%2Fcontrols-visibility-support-controls-off.html</a>

Diff:

--- /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk2/build/layout-test-results/media/modern-media-controls/controls-visibility-support/controls-visibility-support-controls-off-expected.txt
+++ /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk2/build/layout-test-results/media/modern-media-controls/controls-visibility-support/controls-visibility-support-controls-off-actual.txt
@@ -1,15 +1,5 @@
-Testing the ControlsVisibilitySupport behavior without controls.
+#PID UNRESPONSIVE - WebKitTestRunner (pid 84535)
+FAIL: Timed out waiting for notifyDone to be called

-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-Media has not begun loading yet
-PASS mediaController.controls.visible is false
-
-Media has loaded metadata
-PASS mediaController.controls.visible is false
-
-PASS successfullyParsed is true
-
-TEST COMPLETE
-
+#EOF
+#EOF

Result page: <a href="https://build.webkit.org/results/Apple-BigSur-Release-AppleSilicon-WK2-Tests/r280589%20(3004)/results.html">https://build.webkit.org/results/Apple-BigSur-Release-AppleSilicon-WK2-Tests/r280589%20(3004)/results.html</a></pre>
        </div>
      </p>


      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>