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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - deep freezes when screens go into standby"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92926">92926</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>deep freezes when screens go into standby
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>XOrg 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>major
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>loomsen@gmail.com
          </td>
        </tr>

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

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=119608" name="attach_119608" title="dmesg">attachment 119608</a> <a href="attachment.cgi?id=119608&action=edit" title="dmesg">[details]</a></span>
dmesg

Hi.

I'm having a similar problem like
<a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WORKSFORME - [hsw] Computer freezes when screen is switched off"
   href="show_bug.cgi?id=85606">https://bugs.freedesktop.org/show_bug.cgi?id=85606</a> this. 
I'm running skylake on a 4.3 kernel. When I connect two screens, the computer
completely freezes more often than when I only use a single monitor. I had an
uptime of approx 4 days with a single monitor without any issues. 
After I connected the second screen again, it didn't last that long till the
next freeze came. 
I disconnected the second screen, and after 20+ hours the single screen setup
also froze.

There's nothing in the logs, cause it just completely hangs as described in the
other threads.

I have lots of warnings about WM changed in dmesg, too. dmesg from crashed boot
attached.

Where do I need to add the drm.debug=14? To the kernel line?

xorg-x11-drv-intel-2.99.917
mesa-dri-drivers-11.0.4-1.20151105.fc23.x86_64
kernel 4.3.0</pre>
        </div>
      </p>
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