[Webkit-unassigned] [Bug 216716] New: [GStreamer] fast/mediastream/mediastreamtrack-video-clone.html is flaky since GStreamer 1.18 update

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=216716

            Bug ID: 216716
           Summary: [GStreamer]
                    fast/mediastream/mediastreamtrack-video-clone.html is
                    flaky since GStreamer 1.18 update
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lmoura at igalia.com

fast/mediastream/mediastreamtrack-video-clone.html

Sample diff GTK:

--- /home/buildbot/worker/gtk-linux-64-release-tests/build/layout-test-results/fast/mediastream/mediastreamtrack-video-clone-expected.txt
+++ /home/buildbot/worker/gtk-linux-64-release-tests/build/layout-test-results/fast/mediastream/mediastreamtrack-video-clone-actual.txt
@@ -5,9 +5,9 @@
 PASS Setup for width test 
 PASS Setup for height test 
 PASS Setup for width+height test 
-PASS Stopping a track should not stop its clone 
-PASS Stopping a cloned track should not stop the original track 
-PASS Collecting a cloned track should not stop the original track 
+FAIL Stopping a track should not stop its clone assert_equals: expected 100 but got 0
+FAIL Stopping a cloned track should not stop the original track assert_equals: expected 100 but got 0
+FAIL Collecting a cloned track should not stop the original track assert_equals: expected 100 but got 0
 PASS Check cloned track settings after applying width constraints 
 PASS Check cloned track settings after applying width constraint to original track 
 PASS Check cloned track settings after applying height constraints 


These three checks are flaky failing. Wayland bots (GTK and WPE) from time to time happens to pass all three. GTK Xvfb is consistently failing.

First failure: r267136-r267140 (Includes GStreamer 1.18 update and mesa patch in the SDK)

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