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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 --- - Artifacts with libreoffice (on gen4)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=60284">60284</a>
          </td>
        </tr>

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

        <tr>
          <th>Summary</th>
          <td>Artifacts with libreoffice (on gen4)
          </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>All
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>sergio.callegari@gmail.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>git
          </td>
        </tr>

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

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr></table>
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        <pre>Created <span class=""><a href="attachment.cgi?id=74180" name="attach_74180" title="image in editing">attachment 74180</a> <a href="attachment.cgi?id=74180&action=edit" title="image in editing">[details]</a></span>
image in editing

Hi,

I am attaching a couple of screenshots showing rendering artifacts with
libreoffice. These are obtained on a DELL E6500 with mobile4 (gen4) graphics
card, kubuntu 12.10 64bit and updated kernel and graphic drivers.

Currently on linux 3.7.6 (from the ubuntu mainline ppa),
xorg-server-video-intel git snapshot of 1 feb (commit cf0576...), mesa git
snapshot of 22 gen, libdrm git snapshot of 28 jan.

Issue happens both with compositing on and off.

I do not know when or why this started to appear.  I see it both with
libreoffice 3.6 and with 4.0RC3. The fact is that recent libreoffice tries to
mark with a dense mesh pattern the text boxes that are under editing. When the
areas being marked are wide, strange things start to appear. The mesh is
corrupted and so are the bitmap images that appear in the page.

Thanks for looking at them.</pre>
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