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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Desktop freeze when connected to external display on login"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101359">101359</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Desktop freeze when connected to external display on login
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>17.0
          </td>
        </tr>

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

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

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

        <tr>
          <th>Severity</th>
          <td>major
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>Drivers/DRI/i965
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-3d-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ram.manohar@mail.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-3d-bugs@lists.freedesktop.org
          </td>
        </tr></table>
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        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=131820" name="attach_131820" title="dmesg output">attachment 131820</a> <a href="attachment.cgi?id=131820&action=edit" title="dmesg output">[details]</a></span>
dmesg output

Description of problem:

3 out of 5 times if my laptop (T460p) is connected to external display via
display port and I reboot the machine, then after login screen the desktop is
completely frozen. Also, while the desktop/display is frozen - I am able to SSH
to the machine remotely and do my stuff. I have gathered journalctl and dmesg
logs via remote SSH when this happened. 

My laptop (Thinkpad T460p) although has Nvidia card - I have noveou module
blacklisted and I always use integrated intel graphics.  My external display is
a AOC 4K monitor connected via display port.


Version-Release number of selected component (if applicable):

Linux pern 4.11.3-200.fc25.x86_64 #1 SMP Thu May 25 19:03:07 UTC 2017 x86_64
x86_64 x86_64 GNU/Linux



How reproducible:


Steps to Reproduce:
1. Connect the laptop to an external display via display port.
2. Reboot the laptop.
3. Enter username & password at login screen and watch the desktop freeze.



Actual results:

Desktop is frozen


Expected results:

Desktop should not be frozen.</pre>
        </div>
      </p>


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