<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [nv50] errors when starts gnome-shell"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=78863">78863</a>
          </td>
        </tr>

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

        <tr>
          <th>Summary</th>
          <td>[nv50] errors when starts gnome-shell
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team@lists.x.org
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>minor
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mattia.b89@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>unspecified
          </td>
        </tr>

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

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=99275" name="attach_99275" title="log from dmesg">attachment 99275</a> <a href="attachment.cgi?id=99275&action=edit" title="log from dmesg">[details]</a></span>
log from dmesg

I get these two non-fatal errors with gnome-shell:

[  164.903589] nouveau E[  PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE
[  164.903603] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x003f92b000
gnome-shell[1242]] subc 3 class 0x8297 mthd 0x0e04 data 0xfebf0000
[  164.903616] nouveau E[  PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE
[  164.903622] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x003f92b000
gnome-shell[1242]] subc 3 class 0x8297 mthd 0x0e08 data 0xffc70000

my configuration:
x86_64 archlinux kernel-3.14.2-1
xf86-video-nouveau-1.0.10-2
gnome-shell-3.12.2-1</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>