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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 - [drm] stuck on render ring GPU_Hang"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92964">92964</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[drm] stuck on render ring  GPU_Hang
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86 (IA32)
          </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>Manuel.h87@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=119685" name="attach_119685" title="dmesg log (cut)">attachment 119685</a> <a href="attachment.cgi?id=119685&action=edit" title="dmesg log (cut)">[details]</a></span>
dmesg log (cut)

Hello,

I'm using Arch Linux and experience these GPU hangs occassionally (usually when
using firefox) at least once a week since I updated from 3.11-something to
4.2.5-1-ARCH. I also tried the lts Kernel 4.1.12-1 which has got the same
problem.
As a result, some windows are messed up (like a hurrican went through my
desktop); some windows are not affected at all. Usually, firefox is affected
and especially video playback stays messed up - but I don't know how helpful
that is.

I have not tested the nightly build (I just read about it) so I'm sorry for
that... I have prepared everything following the instructions of 'dmesg' which
are a lot different... I will read through the instructions and add the logs
and debugs ASAP.

--- Instructions ---
[ 6131.999503] [drm] stuck on render ring
[ 6132.006259] [drm] GPU HANG: ecode 3:0:0x7c7effc1, in Xorg [427], reason:
Ring hung, action: reset
[ 6132.006268] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 6132.006272] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 6132.006276] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 6132.006280] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 6132.006283] [drm] GPU crash dump saved to /sys/class/drm/card0/error</pre>
        </div>
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