<?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>220051</bug_id>
          
          <creation_ts>2020-12-20 18:08:56 -0800</creation_ts>
          <short_desc>Many websites crash under toDataURL() when enabling GPU process for DOM</short_desc>
          <delta_ts>2020-12-21 12:17:36 -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>WebKit2</component>
          <version>WebKit Nightly Build</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>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Wenson Hsieh">wenson_hsieh</reporter>
          <assigned_to name="Wenson Hsieh">wenson_hsieh</assigned_to>
          <cc>sabouhallawa</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>thorton</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1715971</commentid>
    <comment_count>0</comment_count>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2020-12-20 18:08:56 -0800</bug_when>
    <thetext>&lt;rdar://problem/72412509&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1716008</commentid>
    <comment_count>1</comment_count>
      <attachid>416603</attachid>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2020-12-21 08:14:46 -0800</bug_when>
    <thetext>Created attachment 416603
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1716014</commentid>
    <comment_count>2</comment_count>
      <attachid>416603</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2020-12-21 09:38:11 -0800</bug_when>
    <thetext>Comment on attachment 416603
Patch

Can some tests be enabled on the bot after this?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1716053</commentid>
    <comment_count>3</comment_count>
    <who name="Wenson Hsieh">wenson_hsieh</who>
    <bug_when>2020-12-21 12:01:59 -0800</bug_when>
    <thetext>(In reply to Simon Fraser (smfr) from comment #2)
&gt; Comment on attachment 416603 [details]
&gt; Patch
&gt; 
&gt; Can some tests be enabled on the bot after this?

So on closer inspection, it looks like GPU process for DOM is (implicitly) still disabled on the bots, due to the tiled core animation codepath not supporting GPU process (i.e. DrawingArea::supportsGPUProcessRendering), so we never hit this crash :/

I did, however, confirm that the codepaths are exercised by layout tests, so when we do either turn on GPUP for the Mac bots or switch them over to iOS, this patch will allow us to avoid skipping a dozen-or-so crashes that we would otherwise have while running fast/canvas and canvas.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1716061</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2020-12-21 12:17:35 -0800</bug_when>
    <thetext>Committed r271036: &lt;https://trac.webkit.org/changeset/271036&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 416603.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>416603</attachid>
            <date>2020-12-21 08:14:46 -0800</date>
            <delta_ts>2020-12-21 12:17:35 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-220051-20201221081445.patch</filename>
            <type>text/plain</type>
            <size>16524</size>
            <attacher name="Wenson Hsieh">wenson_hsieh</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>