Bug 188924 – REGRESSION: [macOS WK2] Layout Test fast/mediastream/device-change-event-2.html is a flaky timeout

• Status: NEW
• Component: New Bugs

[Ryan Haddad]

The following layout test is flaky on macOS Debug WK2

fast/mediastream/device-change-event-2.html

Probable cause:

Unknown, this started very recently.

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=fast%2Fmediastream%2Fdevice-change-event-2.html

--- /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/fast/mediastream/device-change-event-2-expected.txt
+++ /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/fast/mediastream/device-change-event-2-actual.txt
@@ -1,6 +1,9 @@
+CONSOLE MESSAGE: line 2451: Error: assert_true: devicechange should only fire when the document is focused and active expected true got false
+CONSOLE MESSAGE: line 78: navigator.mediaDevices.ondevicechange took too long
+CONSOLE MESSAGE: line 41: event 1 took too long
+CONSOLE MESSAGE: line 53: event 2 took too long
+#PID UNRESPONSIVE - com.apple.WebKit.WebContent.Development (pid 37639)
+FAIL: Timed out waiting for notifyDone to be called
 
-PASS 'devicechange' event fired when device list changes 
-PASS 'devicechange' events fired quickly are coalesced 
-PASS 'devicechange' event is not fired when the document doesn't has focus or permission to capture 
-PASS 'devicechange' event is fired when the document doesn't has focus but has permission to capture 
-
+#EOF
+#EOF

[Ryan Haddad]

This test was recently modified as part of https://trac.webkit.org/changeset/235086

[Radar WebKit Bug Importer]

<rdar://problem/63940720>

[Jacob Uphoff]

I can also see timeouts on release as well

[Jacob Uphoff]

Set expectations here: https://trac.webkit.org/changeset/262512/webkit

[Jacob Uphoff]

New history link:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fmediastream%2Fdevice-change-event-2.html&platform=mac&limit=50000

[Ben Schwartz]

(In reply to Jacob Uphoff from comment #4)
> Set expectations here: https://trac.webkit.org/changeset/262512/webkit

Cannonical link: https://commits.webkit.org/225536@main