<?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>313054</bug_id>
          
          <creation_ts>2026-04-22 14:52:50 -0700</creation_ts>
          <short_desc>[WPE][arm64] compositing/backing/animate-into-view-with-descendant.html is a flaky test</short_desc>
          <delta_ts>2026-05-07 17:09:37 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WPE WebKit</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></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Nikolas Zimmermann">zimmermann</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>bugs-noreply</cc>
    
    <cc>fujii</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2203358</commentid>
    <comment_count>0</comment_count>
    <who name="Nikolas Zimmermann">zimmermann</who>
    <bug_when>2026-04-22 14:52:50 -0700</bug_when>
    <thetext>wktesthunter output for this flaky test across affected bots:

&gt;&gt;&gt; wpe-arm64-release &lt;&lt;&lt;
[311766@main-311767@main]     UNKNOWN
311768@main                   NOERROR
311769@main                   UNKNOWN
311770@main                   NOERROR
[311771@main-311772@main]     UNKNOWN
311773@main                   TEXT PASS (Expected: PASS)
[311774@main-311775@main]     UNKNOWN
311776@main                   TEXT PASS (Expected: PASS)
[311777@main-311781@main]     UNKNOWN
[311782@main-311783@main]     NOERROR
[311784@main-311788@main]     UNKNOWN
311789@main                   NOERROR
[311790@main-311793@main]     UNKNOWN
311794@main                   NOERROR


The bot wpe-arm64-release completed 1273 runs on the interval [308164@main-311794@main]
Frequency of results for test: compositing/backing/animate-into-view-with-descendant.html
  1194 times [93.8%]     -&gt;  NOERROR
  59 times [4.6%]        -&gt;  TEXT PASS
  20 times [1.6%]        -&gt;  CRASH

Of those 1273 runs it didn&apos;t match the expectation 79 times [6.2%]
Details of the type and frequency of unmatched expectations:
  59 times [4.6%]        -&gt;  TEXT PASS (Expected: PASS)
  20 times [1.6%]        -&gt;  CRASH (Expected: PASS)

Flakiness factor: 9.0%
    - This test was flaky on 9.0% of the 1273 runs analyzed, either giving different
      results within a single run, or a different result than in the previous run.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2208783</commentid>
    <comment_count>1</comment_count>
    <who name="Fujii Hironori">fujii</who>
    <bug_when>2026-05-07 17:09:37 -0700</bug_when>
    <thetext>History: https://results.webkit.org/?suite=layout-tests&amp;test=compositing%2Fbacking%2Fanimate-into-view-with-descendant.html&amp;platform=WPE&amp;architecture=arm64

Seems like no crash these days.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>