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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>214683</bug_id>
          
          <creation_ts>2020-07-23 05:15:39 -0700</creation_ts>
          <short_desc>[ macOS wk2 debug ] imported/w3c/web-platform-tests/media-source/mediasource-changetype-play-implicit.html is a flaky failure (harness timeout)</short_desc>
          <delta_ts>2025-11-26 02:20:55 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Mac</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>302692</dup_id>
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Karl Rackler">rackler</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>jean-yves.avenard</cc>
    
    <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1674177</commentid>
    <comment_count>0</comment_count>
    <who name="Karl Rackler">rackler</who>
    <bug_when>2020-07-23 05:15:39 -0700</bug_when>
    <thetext>Description:
imported/w3c/web-platform-tests/media-source/mediasource-changetype-play-implicit.html

This issue started approximately 07/14/20 since the test was introduced and is a flaky failure daily since.

History:
https://results.webkit.org/?suite=layout-tests&amp;test=imported%2Fw3c%2Fweb-platform-tests%2Fmedia-source%2Fmediasource-changetype-play-implicit.html&amp;flavor=wk2&amp;style=debug&amp;platform=mac&amp;limit=50000

Diff:
--- /Volumes/Data/slave/catalina-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-changetype-play-implicit-expected.txt
+++ /Volumes/Data/slave/catalina-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-changetype-play-implicit-actual.txt
@@ -1,8 +1,10 @@
+
+Harness Error (TIMEOUT), message = null
 
 FAIL Check if browser supports enough test media types and pairs of audio-only or video-only media with same bytestream format assert_true: Browser doesn&apos;t support at least 2 audio-only or 2 video-only test media with same bytestream format expected true got false
 PASS Test audio-only implicit changeType for audio/mp4; codecs=&quot;mp4a.40.2&quot; &lt;-&gt; audio/mp4; codecs=&quot;mp4a.40.2&quot; 
 PASS Test audio-only implicit changeType for audio/mp4; codecs=&quot;mp4a.40.2&quot; &lt;-&gt; audio/mp4; codecs=&quot;mp4a.40.2&quot; (using types without codecs parameters for addSourceBuffer) 
 PASS Test audio-only implicit changeType for audio/mpeg &lt;-&gt; audio/mpeg 
-PASS Test video-only implicit changeType for video/mp4; codecs=&quot;avc1.4D4001&quot; &lt;-&gt; video/mp4; codecs=&quot;avc1.4D4001&quot; 
+TIMEOUT Test video-only implicit changeType for video/mp4; codecs=&quot;avc1.4D4001&quot; &lt;-&gt; video/mp4; codecs=&quot;avc1.4D4001&quot; Test timed out
 PASS Test video-only implicit changeType for video/mp4; codecs=&quot;avc1.4D4001&quot; &lt;-&gt; video/mp4; codecs=&quot;avc1.4D4001&quot; (using types without codecs parameters for addSourceBuffer)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1674178</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2020-07-23 05:16:12 -0700</bug_when>
    <thetext>&lt;rdar://problem/65986787&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1674179</commentid>
    <comment_count>2</comment_count>
    <who name="Karl Rackler">rackler</who>
    <bug_when>2020-07-23 05:22:36 -0700</bug_when>
    <thetext>I have marked these tests as failing while this issue is investigated.
https://trac.webkit.org/changeset/264756/webkit</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2161421</commentid>
    <comment_count>3</comment_count>
    <who name="Jean-Yves Avenard [:jya]">jean-yves.avenard</who>
    <bug_when>2025-11-26 02:20:55 -0800</bug_when>
    <thetext>

*** This bug has been marked as a duplicate of bug 302692 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>