<?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>143723</bug_id>
          
          <creation_ts>2015-04-14 13:24:41 -0700</creation_ts>
          <short_desc>ASSERT(frame().view() == this) assertion hit in FrameView::windowClipRect() on Windows bots</short_desc>
          <delta_ts>2015-04-14 15:49:32 -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>Layout and Rendering</component>
          <version>528+ (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></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Chris Dumez">cdumez</reporter>
          <assigned_to name="Chris Dumez">cdumez</assigned_to>
          <cc>ap</cc>
    
    <cc>bfulgham</cc>
    
    <cc>commit-queue</cc>
    
    <cc>simon.fraser</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1085237</commentid>
    <comment_count>0</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2015-04-14 13:24:41 -0700</bug_when>
    <thetext>ASSERT(frame().view() == this) assertion hit in FrameView::windowClipRect() on Windows bots:
0018eee8 05ff4290 064f14f7 0018ef44 00000001 WTF!WTFCrash+0x21
0018ef4c 05ff4952 0018ef58 00000001 0018ef9c WebKit!WebCore::FrameView::windowClipRect+0x40
0018ef90 05ff490f 0ebc3ea8 0018efbc 05ffa4ff WebKit!WebCore::FrameView::resumeVisibleImageAnimationsIncludingSubframes+0x32
0018ef9c 05ffa4ff 0ebc3ea8 0060aa90 006060c0 WebKit!WebCore::FrameView::viewportContentsChanged+0xf
0018efbc 05ff56bf 0ebc3ea8 0018efd4 06911367 WebKit!WebCore::FrameView::performPostLayoutTasks+0x12f
0018efc8 06911367 0d18bc60 0018efe4 067e0259 WebKit!WebCore::FrameView::postLayoutTimerFired+0xf
0018efd4 067e0259 0ebc3ea8 0d18bc60 0018effc WebKit!std::_Pmf_wrap&lt;void (__thiscall WebCore::WebSocket::*)(void),void,WebCore::WebSocket&gt;::operator()+0x17
0018efe4 067e00f5 00000000 00000000 0d18bc60 WebKit!std::_Bind&lt;1,void,std::_Pmf_wrap&lt;void (__thiscall WebCore::XMLHttpRequest::*)(void),void,WebCore::XMLHttpRequest&gt;,WebCore::XMLHttpRequest *&gt;::_Do_call&lt;,0&gt;+0x39
0018effc 067e0116 0d18bc60 0018f014 067e0a72 WebKit!std::_Bind&lt;1,void,std::_Pmf_wrap&lt;void (__thiscall WebCore::XMLHttpRequest::*)(void),void,WebCore::XMLHttpRequest&gt;,WebCore::XMLHttpRequest *&gt;::operator()&lt;&gt;+0x25
0018f008 067e0a72 0d18bc58 0018f020 05cd5f78 WebKit!std::_Callable_obj&lt;std::_Bind&lt;1,void,std::_Pmf_wrap&lt;void (__thiscall WebCore::XMLHttpRequest::*)(void),void,WebCore::XMLHttpRequest&gt;,WebCore::XMLHttpRequest *&gt;,0&gt;::_ApplyX&lt;void&gt;+0x16
0018f014 05cd5f78 0ebc4050 0018f02c 05cd6f32 WebKit!std::_Func_impl&lt;std::_Callable_obj&lt;std::_Bind&lt;1,void,std::_Pmf_wrap&lt;void (__thiscall WebCore::XMLHttpRequest::*)(void),void,WebCore::XMLHttpRequest&gt;,WebCore::XMLHttpRequest *&gt;,0&gt;,std::allocator&lt;std::_Func_class&lt;void&gt; &gt;,void&gt;::_Do_call+0x12
0018f020 05cd6f32 0ebc4018 0018f05c 066d341c WebKit!std::_Func_class&lt;void&gt;::operator()+0x28
0018f02c 066d341c d3d79865 41d54b72 00000000 WebKit!WebCore::Timer::fired+0x12
0018f05c 066d32f6 0018f06c 06ad16bf 0018f098 WebKit!WebCore::ThreadTimers::sharedTimerFiredInternal+0x11c
0018f064 06ad16bf 0018f098 76f862fa 003d074e WebKit!WebCore::ThreadTimers::sharedTimerFired+0x16
0018f06c 76f862fa 003d074e 0000c126 00000000 WebKit!WebCore::TimerWindowWndProc+0x7f

It started happening after &lt;http://trac.webkit.org/changeset/182773&gt; but it is likely timing related rather than an actual regression.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1085239</commentid>
    <comment_count>1</comment_count>
      <attachid>250733</attachid>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2015-04-14 13:33:45 -0700</bug_when>
    <thetext>Created attachment 250733
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1085242</commentid>
    <comment_count>2</comment_count>
      <attachid>250733</attachid>
    <who name="Brent Fulgham">bfulgham</who>
    <bug_when>2015-04-14 13:37:09 -0700</bug_when>
    <thetext>Comment on attachment 250733
Patch

Looks good. If it doesn&apos;t break any tests, please land it!</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1085248</commentid>
    <comment_count>3</comment_count>
      <attachid>250733</attachid>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2015-04-14 13:55:36 -0700</bug_when>
    <thetext>Comment on attachment 250733
Patch

Clearing flags on attachment: 250733

Committed r182807: &lt;http://trac.webkit.org/changeset/182807&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1085249</commentid>
    <comment_count>4</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2015-04-14 13:55:40 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1085293</commentid>
    <comment_count>5</comment_count>
    <who name="Chris Dumez">cdumez</who>
    <bug_when>2015-04-14 15:49:32 -0700</bug_when>
    <thetext>The Windows bot has recovered after this fix:
https://build.webkit.org/builders/Apple%20Win%207%20Debug%20%28Tests%29/builds/65702</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>250733</attachid>
            <date>2015-04-14 13:33:45 -0700</date>
            <delta_ts>2015-04-14 13:55:36 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-143723-20150414133249.patch</filename>
            <type>text/plain</type>
            <size>2116</size>
            <attacher name="Chris Dumez">cdumez</attacher>
            
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    </bug>

</bugzilla>