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    <body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [i965] Rendercheck blend fails"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=66430">bug 66430</a>
        <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>ASSIGNED
           </td>
           <td>RESOLVED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>FIXED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [i965] Rendercheck blend fails"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=66430#c7">Comment # 7</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [i965] Rendercheck blend fails"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=66430">bug 66430</a>
              from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
        <pre>Nasty, nasty heisenbug. The more debugging you enable, the harder it was to
see. In the end, the bisect was spot and I was remiss for asuming it was just
going to be another example of the kernel bug.

commit ad0afda3fe4f5e408e3610d8b76fdc7d1af33138
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date:   Mon Jul 1 22:26:29 2013 +0100

    sna: Fix checking the dirty boxes

    I forgot how insane the data structure for the list of dirty boxes
    attached to the damage is. It is neither a simple list, nor does not store
    the count of boxes within each chunk.

    Fixes regression from
    commit 9026bb954646c0425360c2236e26c79d097142cd [2.21.11]
    Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
    Date:   Fri Jun 28 15:59:17 2013 +0100

        sna: Inspect the dirty boxes when querying whether damage contains a
rectangle

    A side effect is that we now make sure that there is an upper bound to
    the amount of searching we do for the no-reduce fast path.

    Bugzilla: <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [i965] Rendercheck blend fails"
   href="show_bug.cgi?id=66430">https://bugs.freedesktop.org/show_bug.cgi?id=66430</a>
    Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre>
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