<?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>201435</bug_id>
          
          <creation_ts>2019-09-03 14:19:46 -0700</creation_ts>
          <short_desc>REGRESSION (r249132): [macOS WK2] Layout Test inspector/layers/layerTreeDidChange.html is a flaky failure</short_desc>
          <delta_ts>2019-09-03 17:36:21 -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>Web Inspector</component>
          <version>Other</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</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>
          <dependson>200959</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Ryan Haddad">ryanhaddad</reporter>
          <assigned_to name="Devin Rousso">hi</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>hi</cc>
    
    <cc>inspector-bugzilla-changes</cc>
    
    <cc>joepeck</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>1567507</commentid>
    <comment_count>0</comment_count>
    <who name="Ryan Haddad">ryanhaddad</who>
    <bug_when>2019-09-03 14:19:46 -0700</bug_when>
    <thetext>The following layout test is flaky on macOS WK2 bots, most frequently failing in the debug configuration.

inspector/layers/layerTreeDidChange.html

Probable cause:

Unknown. The first failure on the dashboard blames https://trac.webkit.org/log/webkit/?verbose=on&amp;rev=249133&amp;stop_rev=249132

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=inspector%2Flayers%2FlayerTreeDidChange.html



--- /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/inspector/layers/layerTreeDidChange-expected.txt
+++ /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/inspector/layers/layerTreeDidChange-actual.txt
@@ -3,11 +3,14 @@
 
 == Running test suite: LayerTree.layerTreeDidChange
 -- Running test case: LayerTree.layerTreeDidChange.WithRequest
+Layer tree changed
 Creating layer...
 Layer tree changed
 Creating layer...
 Layer tree changed
-PASS: LayerTreeDidChange should fire after layersForNode is called
+FAIL: LayerTreeDidChange should fire after layersForNode is called
+    Expected: 2
+    Actual: 3
 
 -- Running test case: LayerTree.layerTreeDidChange.WithoutRequest
 Creating layer...</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1567544</commentid>
    <comment_count>1</comment_count>
      <attachid>377930</attachid>
    <who name="Devin Rousso">hi</who>
    <bug_when>2019-09-03 16:26:14 -0700</bug_when>
    <thetext>Created attachment 377930
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1567547</commentid>
    <comment_count>2</comment_count>
      <attachid>377930</attachid>
    <who name="Joseph Pecoraro">joepeck</who>
    <bug_when>2019-09-03 16:27:54 -0700</bug_when>
    <thetext>Comment on attachment 377930
Patch

rs=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1567575</commentid>
    <comment_count>3</comment_count>
      <attachid>377930</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-03 17:35:18 -0700</bug_when>
    <thetext>Comment on attachment 377930
Patch

Clearing flags on attachment: 377930

Committed r249447: &lt;https://trac.webkit.org/changeset/249447&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1567576</commentid>
    <comment_count>4</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-03 17:35:20 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1567577</commentid>
    <comment_count>5</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2019-09-03 17:36:21 -0700</bug_when>
    <thetext>&lt;rdar://problem/54999525&gt;</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>377930</attachid>
            <date>2019-09-03 16:26:14 -0700</date>
            <delta_ts>2019-09-03 17:35:18 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-201435-20190903162613.patch</filename>
            <type>text/plain</type>
            <size>3819</size>
            <attacher name="Devin Rousso">hi</attacher>
            
              <data encoding="base64">ZGlmZiAtLWdpdCBhL0xheW91dFRlc3RzL0NoYW5nZUxvZyBiL0xheW91dFRlc3RzL0NoYW5nZUxv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</data>

          </attachment>
      

    </bug>

</bugzilla>