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        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Display corruption after installing driver version 2.99.907"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=73208">73208</a>
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>chris@chris-wilson.co.uk
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Display corruption after installing driver version 2.99.907
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>simon.j.munton@gmail.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Driver/intel
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr></table>
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        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=91399" name="attach_91399" title="Screen shot of corruption, desktop effects enabled">attachment 91399</a> <a href="attachment.cgi?id=91399&action=edit" title="Screen shot of corruption, desktop effects enabled">[details]</a></span>
Screen shot of corruption, desktop effects enabled

After upgrading intel driver from 2.99.906 to 2.99.907, I see corruption in
certain cases, under KDE4.12:
1. With desktop effects enabled, right click on window title bar, popup menu
looks like it has transparent background in places
2. With desktop effects disabled, window title bar has black rectangles, and
right clicking on title bar, the popup menu has black background in places.

I did a git bisect, and commit 
c79cb18407273dc7798618390bd0b7d69b0f80d6 seems to be responsible. Reverting
this commit on 2.99.907 release restores the expected behaviour.</pre>
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