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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [NVAC] Trying to register nv_backlight after NV96 did it"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=86539">86539</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[NVAC] Trying to register nv_backlight after NV96 did it
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr>

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

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

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

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

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

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

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

        <tr>
          <th>Assignee</th>
          <td>nouveau@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>pierre.morrow@free.fr
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team@lists.x.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=109822" name="attach_109822" title="dmesg">attachment 109822</a> <a href="attachment.cgi?id=109822&action=edit" title="dmesg">[details]</a></span>
dmesg

Hardware:
* 9600M GT (NV96)
* 9400M (NVAC)

Tested on
<a href="http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=1a9d15cb98ec30dfba43bbe65022f22d978ea9fc">http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=1a9d15cb98ec30dfba43bbe65022f22d978ea9fc</a>

Options: nouveau.noaccel=1 (otherwise falling into <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [NV96] Unable to handle page request from nv50_crtc_prepare"
   href="show_bug.cgi?id=86537">bug 86537</a>)

When using the NV96 card to drive the display, the NVAC still tries to register
nv_backlight even though it isn't driving a display and the NV96 already
registered it.</pre>
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      </p>
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