[Webkit-unassigned] [Bug 187591] New: [GTK] imported/w3c/web-platform-tests/media-source/mediasource-getvideoplaybackquality.html is flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187591

            Bug ID: 187591
           Summary: [GTK]
                    imported/w3c/web-platform-tests/media-source/mediasour
                    ce-getvideoplaybackquality.html is flaky
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: magomez at igalia.com
                CC: bugs-noreply at webkitgtk.org

imported/w3c/web-platform-tests/media-source/mediasource-getvideoplaybackquality.html [ Failure Crash ]

The test moves between crashing and failing with text constantly. When it fails with text, this is the diff:

--- /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-getvideoplaybackquality-expected.txt
+++ /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-getvideoplaybackquality-actual.txt
@@ -1,4 +1,4 @@

-PASS Test HTMLVideoElement.getVideoPlaybackQuality() with MediaSource API 
-PASS Test the totalFrameDelay attribute of HTMLVideoElement.getVideoPlaybackQuality() with MediaSource API 
+FAIL Test HTMLVideoElement.getVideoPlaybackQuality() with MediaSource API assert_unreached: Unexpected event 'error' Reached unreachable code
+FAIL Test the totalFrameDelay attribute of HTMLVideoElement.getVideoPlaybackQuality() with MediaSource API assert_unreached: Unexpected event 'error' Reached unreachable code


The first crash happened in r233638. Before that it was mostly passing with text failure every now and then. I cannot be sure that r233638 is the cause of the crash, but adding the author just in case. The crash log can be seen here


https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r233765%20(7376)/imported/w3c/web-platform-tests/media-source/mediasource-getvideoplaybackquality-crash-log.txt

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