<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!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>232276</bug_id>
          
          <creation_ts>2021-10-25 15:06:49 -0700</creation_ts>
          <short_desc>Regression(r283935): [ macOS wk1 ] imported/w3c/web-platform-tests/html/interaction/focus/the-autofocus-attribute/spin-by-blocking-style-sheet.html is a flaky failure</short_desc>
          <delta_ts>2026-01-06 13:04:03 -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>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>WONTFIX</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>ayumi_kojima</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>cdumez</cc>
    
    <cc>ntim</cc>
    
    <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>wenson_hsieh</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1808615</commentid>
    <comment_count>0</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-10-25 15:06:49 -0700</bug_when>
    <thetext>imported/w3c/web-platform-tests/html/interaction/focus/the-autofocus-attribute/spin-by-blocking-style-sheet.html

Is a flaky failure on macOS wk1. The test is especially flaky and almost constantly failing on Big Sur E wk1 Release.

History: https://results.webkit.org/?suite=layout-tests&amp;test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Finteraction%2Ffocus%2Fthe-autofocus-attribute%2Fspin-by-blocking-style-sheet.html

Result page: https://build.webkit.org/results/Apple-BigSur-Release-AppleSilicon-WK1-Tests/r284819%20(5780)/results.html

Diff:

--- /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/html/interaction/focus/the-autofocus-attribute/spin-by-blocking-style-sheet-expected.txt
+++ /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/html/interaction/focus/the-autofocus-attribute/spin-by-blocking-style-sheet-actual.txt
@@ -1,4 +1,6 @@
 
 
-PASS Script-blocking style sheet should pause flushing autofocus candidates.
+Harness Error (TIMEOUT), message = null
 
+TIMEOUT Script-blocking style sheet should pause flushing autofocus candidates. Test timed out
+</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1808617</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-10-25 15:07:11 -0700</bug_when>
    <thetext>&lt;rdar://problem/84633007&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1808620</commentid>
    <comment_count>2</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-10-25 15:09:52 -0700</bug_when>
    <thetext>According to the history, the test started becoming flaky at around r283935.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1808621</commentid>
    <comment_count>3</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-10-25 15:10:10 -0700</bug_when>
    <thetext>Marked test expectations https://trac.webkit.org/changeset/284840/webkit</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1808695</commentid>
    <comment_count>4</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-10-25 17:20:06 -0700</bug_when>
    <thetext>I was able to reproduce the failure locally at TOT using run-webkit-tests -force -1 imported/w3c/web-platform-tests/html/interaction/focus/the-autofocus-attribute/spin-by-blocking-style-sheet.html  --iterations 50 --exit-after-n-failures 1</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1809693</commentid>
    <comment_count>5</comment_count>
    <who name="">ayumi_kojima</who>
    <bug_when>2021-10-28 09:12:28 -0700</bug_when>
    <thetext>The test failed with r283935 and passed with r283934.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1812869</commentid>
    <comment_count>6</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2021-11-08 15:09:27 -0800</bug_when>
    <thetext>This may be a dupe of Bug 231918. I cannot reproduce however so I cannot confirm.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1812886</commentid>
    <comment_count>7</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2021-11-08 15:31:57 -0800</bug_when>
    <thetext>(In reply to Chris Dumez from comment #6)
&gt; This may be a dupe of Bug 231918. I cannot reproduce however so I cannot
&gt; confirm.

No, I don&apos;t think it is a dupe after all.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2169709</commentid>
    <comment_count>8</comment_count>
    <who name="Jonathan Bedard">jbedard</who>
    <bug_when>2026-01-06 13:04:03 -0800</bug_when>
    <thetext>Closing WebKitLegacy testing bugs as we cut-back WebKitLegacy testing. See https://bugs.webkit.org/show_bug.cgi?id=304436.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>