<?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>92561</bug_id>
          
          <creation_ts>2012-07-27 16:36:08 -0700</creation_ts>
          <short_desc>ASSERTION FAILED: m_column != unsetColumnIndex : unsigned int WebCore::RenderTableCell::col() const</short_desc>
          <delta_ts>2012-07-30 17:20:35 -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>WebCore JavaScript</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Mac (Intel)</rep_platform>
          <op_sys>Other</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>78695</dup_id>
          
          <bug_file_loc>http://demo.pmease.com/dashboard</bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>0</everconfirmed>
          <reporter name="Dimitris Apostolou">dimitris.apostolou</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>jchaffraix</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>681234</commentid>
    <comment_count>0</comment_count>
    <who name="Dimitris Apostolou">dimitris.apostolou</who>
    <bug_when>2012-07-27 16:36:08 -0700</bug_when>
    <thetext>r123837

Reproducibility: always

Steps:
Go to http://demo.pmease.com/dashboard and click on the + button next to &quot;Maintenance&quot; project to expand the option.

What happened:
ASSERTION FAILED: m_column != unsetColumnIndex
/Users/rex/WebKit/Source/WebCore/rendering/RenderTableCell.h(62) : unsigned int WebCore::RenderTableCell::col() const
1   0x1093a8134 WebCore::RenderTableCell::col() const
2   0x10a6f10f6 WebCore::RenderTableCell::computeCollapsedStartBorder(WebCore::IncludeBorderColorOrNot) const
3   0x10a6f106a WebCore::RenderTableCell::collapsedStartBorder(WebCore::IncludeBorderColorOrNot) const
4   0x10a6f3881 WebCore::RenderTableCell::borderHalfStart(bool) const
5   0x10a6f0872 WebCore::RenderTableCell::borderHalfLeft(bool) const
6   0x10a6f36ac WebCore::RenderTableCell::borderLeft() const
7   0x10a5382df WebCore::RenderBox::clientWidth() const
8   0x10981ee5b WebCore::RenderBox::contentWidth() const
9   0x10a4c055c WebCore::RenderBox::contentLogicalWidth() const
10  0x10a4c03bc WebCore::RenderBox::availableLogicalWidth() const
11  0x10a4e20e9 WebCore::RenderBlock::availableLogicalWidth() const
12  0x10a53df13 WebCore::RenderBox::containingBlockLogicalWidthForContent() const
13  0x10a53df7e WebCore::RenderBox::containingBlockLogicalWidthForContentInRegion(WebCore::RenderRegion*, WebCore::FractionalLayoutUnit) const
14  0x10a540a2b WebCore::RenderBox::computeLogicalWidthInRegion(WebCore::RenderRegion*, WebCore::FractionalLayoutUnit)
15  0x10a54062c WebCore::RenderBox::computeLogicalWidth()
16  0x10a5b5e5b WebCore::RenderImage::imageDimensionsChanged(bool, WebCore::IntRect const*)
17  0x10a5b6421 WebCore::RenderImage::imageChanged(void*, WebCore::IntRect const*)
18  0x10a6448a5 WebCore::RenderObject::imageChanged(WebCore::CachedImage*, WebCore::IntRect const*)
19  0x1094cf592 WebCore::CachedImage::didAddClient(WebCore::CachedResourceClient*)
20  0x1094d6230 WebCore::CachedResource::addClient(WebCore::CachedResourceClient*)
21  0x10a5b91ee WebCore::RenderImageResource::setCachedImage(WebCore::CachedImage*)
22  0x109c5d68a WebCore::ImageLoader::updateRenderer()
23  0x109c5d4e4 WebCore::ImageLoader::dispatchPendingBeforeLoadEvent()
24  0x109c5db43 WebCore::ImageLoader::dispatchPendingEvent(WebCore::EventSender&lt;WebCore::ImageLoader&gt;*)
25  0x109c5e24c WebCore::EventSender&lt;WebCore::ImageLoader&gt;::dispatchPendingEvents()
26  0x109c5f2c9 WebCore::EventSender&lt;WebCore::ImageLoader&gt;::timerFired(WebCore::Timer&lt;WebCore::EventSender&lt;WebCore::ImageLoader&gt; &gt;*)
27  0x109c5f4b3 WebCore::Timer&lt;WebCore::EventSender&lt;WebCore::ImageLoader&gt; &gt;::fired()
28  0x10aaf4bbd WebCore::ThreadTimers::sharedTimerFiredInternal()
29  0x10aaf4959 WebCore::ThreadTimers::sharedTimerFired()
30  0x10a844a33 WebCore::timerFired(__CFRunLoopTimer*, void*)
31  0x7fff937664b4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__

Expected result:
No assert failure.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>682552</commentid>
    <comment_count>1</comment_count>
    <who name="Julien Chaffraix">jchaffraix</who>
    <bug_when>2012-07-30 17:20:35 -0700</bug_when>
    <thetext>Known ASSERT, I believe it to be harmless (at least that&apos;s the case of the other bug) but it indicates a race condition in our table code.

*** This bug has been marked as a duplicate of bug 78695 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>