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    <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 --- - drm: gpu hang"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=81673">81673</a>
          </td>
        </tr>

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

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

        <tr>
          <th>Summary</th>
          <td>drm: gpu hang
          </td>
        </tr>

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

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

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

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

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

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

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

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

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

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=103334" name="attach_103334" title="GPU crash dump">attachment 103334</a> <a href="attachment.cgi?id=103334&action=edit" title="GPU crash dump">[details]</a></span>
GPU crash dump

My desktop froze up a bunch (a few seconds), and after that mpv and vlc both
segfaulted. (The froze up a bunch is a bit simplistic... my actions were
completed afterwards in time-lapse... or whatever.)

You said it, I'll do it. Here is the output of dmesg. Attached is the dump.

...
[   14.724851] Key type dns_resolver registered
[   14.732568] NFS: Registering the id_resolver key type
[   14.732579] Key type id_resolver registered
[   14.732580] Key type id_legacy registered
[ 1973.007106] usb 2-1.1: USB disconnect, device number 3
[ 1973.404062] thinkpad_acpi: EC reports that Thermal Table has changed
[ 4857.012966] [drm] stuck on render ring
[ 4857.012972] [drm] stuck on blitter ring
[ 4857.013517] [drm] GPU HANG: ecode 0:0xf4e9fffe, in X [327], reason: Ring
hung, action: reset
[ 4857.013521] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 4857.013523] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 4857.013525] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 4857.013527] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 4857.013529] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 4857.013601] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast,
banning!
[ 4859.013347] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[ 4880.492645] mpv[12966]: segfault at 210 ip 00007fc8eb68a9e3 sp
00007ffffb8aa8a0 error 4 in i965_dri.so[7fc8eb333000+508000]
[ 4892.749669] vlc[13017]: segfault at 200 ip 00007f2137bec22f sp
00007f214c1407d0 error 4 in i965_dri.so[7f21378cc000+508000]</pre>
        </div>
      </p>
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