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      <base href="https://bugs.freedesktop.org/" />
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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] GPU HANG: ecode -1:0x0000000"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=86743">86743</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[drm] GPU HANG: ecode -1:0x0000000
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>DRI git
          </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>jb.1234abcd@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=110069" name="attach_110069" title="sys-class-drm-card0-error">attachment 110069</a> <a href="attachment.cgi?id=110069&action=edit" title="sys-class-drm-card0-error">[details]</a></span>
sys-class-drm-card0-error

It happens randomly.

$ journalctl
...
Nov 24 20:24:43 myhost kernel: [drm] GPU HANG: ecode -1:0x00000000, reason:
Command parser error, iir 0x00008000, action: con
Nov 24 20:24:44 myhost kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
Nov 24 20:24:44 myhost kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Nov 24 20:24:44 myhost kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.
Nov 24 20:24:44 myhost kernel: [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
Nov 24 20:24:44 myhost kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Nov 24 20:24:44 myhost kernel: i915: render error detected, EIR: 0x00000010
Nov 24 20:24:44 myhost kernel: i915: page table error
Nov 24 20:24:44 myhost kernel: i915:   PGTBL_ER: 0x00000040
Nov 24 20:24:44 myhost kernel: [drm:i915_report_and_clear_eir] *ERROR* EIR
stuck: 0x00000010, masking
Nov 24 20:24:44 myhost kernel: [drm] GPU HANG: ecode -1:0x00000000, reason:
Command parser error, iir 0x00008000, action: con
Nov 24 20:24:44 myhost kernel: i915: render error detected, EIR: 0x00000010
Nov 24 20:24:44 myhost kernel: i915: page table error
Nov 24 20:24:44 myhost kernel: i915:   PGTBL_ER: 0x00000040
...

$ lspci -v
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express
Processor to DRAM Controller (rev 03)
    Subsystem: Hewlett-Packard Company NX6110/NC6120
    Flags: bus master, fast devsel, latency 0
    Capabilities: <access denied>
    Kernel driver in use: agpgart-intel
    Kernel modules: intel_agp

00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML
Express Graphics Controller (rev 03) (prog-if 00 [VGA controller])
    Subsystem: Hewlett-Packard Company NX6110/NC6120
    Flags: bus master, fast devsel, latency 0, IRQ 16
    Memory at d0100000 (32-bit, non-prefetchable) [size=512K]
    I/O ports at 2000 [size=8]
    Memory at c0000000 (32-bit, prefetchable) [size=256M]
    Memory at d0180000 (32-bit, non-prefetchable) [size=256K]
    Expansion ROM at <unassigned> [disabled]
    Capabilities: <access denied>
    Kernel driver in use: i915
    Kernel modules: i915

00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express
Graphics Controller (rev 03)
    Subsystem: Hewlett-Packard Company NX6110/NC6120
    Flags: bus master, fast devsel, latency 0
    Memory at d0200000 (32-bit, non-prefetchable) [size=512K]
    Capabilities: <access denied>
...

Packages:
Linux myhost 3.17.2-1-ARCH #1 SMP PREEMPT Thu Oct 30 20:31:16 CET 2014 i686
GNU/Linux
libdrm 2.4.58-1
mesa-dri 10.3.4-1
xf86-video-intel 2.99.916-3</pre>
        </div>
      </p>
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