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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>287990</bug_id>
          
          <creation_ts>2025-02-19 11:57:22 -0800</creation_ts>
          <short_desc>[ macOS Sonoma Release wk2 ] fast/canvas/webgl/drawingbuffer-test.html is constant failure (flaky in EWS).</short_desc>
          <delta_ts>2025-02-24 10:53:19 -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>WebGL</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></resolution>
          
          
          <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="Yasmin Karimi">y_karimi</reporter>
          <assigned_to name="Marta Darbinyan">darbinyan</assigned_to>
          <cc>darbinyan</cc>
    
    <cc>djg</cc>
    
    <cc>kbr</cc>
    
    <cc>kkinnunen</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>2095978</commentid>
    <comment_count>0</comment_count>
    <who name="Yasmin Karimi">y_karimi</who>
    <bug_when>2025-02-19 11:57:22 -0800</bug_when>
    <thetext>fast/canvas/webgl/drawingbuffer-test.html 

This test is constantly failing on macOS-Sonoma-Release-WK2-Intel-Tests-EWS as a pre-existing failure.

HISTORY:

https://results.webkit.org/?suite=layout-tests&amp;test=fast%2Fcanvas%2Fwebgl%2Fdrawingbuffer-test.html

TEXT DIFF:

@@ -44,10 +44,13 @@
 PASS gl.getParameter(gl.VIEWPORT)[2] is gl.drawingBufferWidth
 PASS gl.getParameter(gl.VIEWPORT)[3] is gl.drawingBufferHeight
 PASS gl.getError() is gl.NO_ERROR
-PASS grid rendered correctly
-PASS should be green
-PASS should be black
-PASS should be black
+FAIL at 8192, 0 expected 0,0,0,255(black) was 95,192,119,192
+FAIL should be green
+at (0, 0) expected: 0,255,0,255 was 10,160,26,161
+FAIL should be black
+at (8192, 0) expected: 0,0,0,0 was 95,192,119,192
+FAIL should be black
+at (8192, 0) expected: 0,0,0,0 was 81,196,91,192
 PASS gl.getError() is gl.NO_ERROR
 
 Testing resizing canvas
@@ -63,6 +66,7 @@
 PASS gl.getError() is gl.NO_ERROR
 
 PASS successfullyParsed is true
+Some tests failed.
 
 TEST COMPLETE

DIFF URL:

https://ews-build-dev.s3-us-west-2.amazonaws.com/macOS-Sonoma-Release-WK2-Intel-Tests-EWS/e2020fef-224/fast/canvas/webgl/drawingbuffer-test-pretty-diff.html

TEST RESULTS:

https://ews-build-dev.s3-us-west-2.amazonaws.com/macOS-Sonoma-Release-WK2-Intel-Tests-EWS/e2020fef-224/results.html</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2095979</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2025-02-19 11:57:31 -0800</bug_when>
    <thetext>&lt;rdar://problem/145157445&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2095981</commentid>
    <comment_count>2</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2025-02-19 12:17:16 -0800</bug_when>
    <thetext>Test gardening commit 290631@main (e054c4939b10): &lt;https://commits.webkit.org/290631@main&gt;

Reviewed commits have been landed. Closing PR #40884 and removing active labels.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2096096</commentid>
    <comment_count>3</comment_count>
    <who name="Marta Darbinyan">darbinyan</who>
    <bug_when>2025-02-19 15:38:24 -0800</bug_when>
    <thetext>Pull request: https://github.com/WebKit/WebKit/pull/40912</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2097420</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2025-02-24 10:53:19 -0800</bug_when>
    <thetext>Test gardening commit 290959@main (5ad630e24829): &lt;https://commits.webkit.org/290959@main&gt;

Reviewed commits have been landed. Closing PR #41211 and removing active labels.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>