<?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>201614</bug_id>
          
          <creation_ts>2019-09-09 14:05:27 -0700</creation_ts>
          <short_desc>[iOS] We sometimes attempt to use a terminated prewarmed WebContent process</short_desc>
          <delta_ts>2019-09-24 15:10:50 -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>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>
          <dependson>202173</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Chris Dumez">cdumez</reporter>
          <assigned_to name="Chris Dumez">cdumez</assigned_to>
          <cc>achristensen</cc>
    
    <cc>beidson</cc>
    
    <cc>commit-queue</cc>
    
    <cc>ggaren</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1569287</commentid>
    <comment_count>0</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2019-09-09 14:05:27 -0700</bug_when>
    <thetext>We sometimes attempt to use a terminated prewarmed WebContent process, in particular upon resuming the UIProcess from suspension and when the prewarmed process has been jetsammed while we were suspended. In this case, upon resuming, it may take a while to get the notification that the mach connection has been closed and we&apos;ll use the prewarmed process. When we finally end up getting the notification, it is too late. We notify the client and it usually shows a crash banner. Ideally, we would not use such process in the first place.

It is also arguable whether it makes sense to keep prewarmed processes around when the UIProcess gets suspended.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569289</commentid>
    <comment_count>1</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2019-09-09 14:05:53 -0700</bug_when>
    <thetext>&lt;rdar://problem/54714507&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569292</commentid>
    <comment_count>2</comment_count>
      <attachid>378408</attachid>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2019-09-09 14:13:18 -0700</bug_when>
    <thetext>Created attachment 378408
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569334</commentid>
    <comment_count>3</comment_count>
      <attachid>378408</attachid>
    <who name="Geoffrey Garen">ggaren</who>
    <bug_when>2019-09-09 16:16:21 -0700</bug_when>
    <thetext>Comment on attachment 378408
Patch

r=me if you update to resolve merge conflict</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569375</commentid>
    <comment_count>4</comment_count>
      <attachid>378424</attachid>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2019-09-09 18:27:35 -0700</bug_when>
    <thetext>Created attachment 378424
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569438</commentid>
    <comment_count>5</comment_count>
      <attachid>378424</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-09 21:24:29 -0700</bug_when>
    <thetext>Comment on attachment 378424
Patch

Clearing flags on attachment: 378424

Committed r249703: &lt;https://trac.webkit.org/changeset/249703&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1569439</commentid>
    <comment_count>6</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-09-09 21:24:30 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
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              ispatch="1"
              isprivate="0"
          >
            <attachid>378408</attachid>
            <date>2019-09-09 14:13:18 -0700</date>
            <delta_ts>2019-09-09 18:27:33 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-201614-20190909141317.patch</filename>
            <type>text/plain</type>
            <size>9405</size>
            <attacher name="Chris Dumez">cdumez</attacher>
            
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>378424</attachid>
            <date>2019-09-09 18:27:35 -0700</date>
            <delta_ts>2019-09-09 21:24:29 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-201614-20190909182717.patch</filename>
            <type>text/plain</type>
            <size>9353</size>
            <attacher name="Chris Dumez">cdumez</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>