[Bug 80964] New: [drm] stuck on render ring on Haswell HD4400

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80964

          Priority: medium
            Bug ID: 80964
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [drm] stuck on render ring on Haswell HD4400
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: elladan at eskimo.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 102318
  --> https://bugs.freedesktop.org/attachment.cgi?id=102318&action=edit
/sys/class/drm/card0/error

I randomly had Xorg seize up while using a web browser.  The mouse pointer
still updated.

I got this message in dmesg asking me to file a bug report:

Jul  5 17:42:53 cayenne kernel: [74020.869279] [drm] stuck on render ring
Jul  5 17:42:53 cayenne kernel: [74020.869287] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jul  5 17:42:53 cayenne kernel: [74020.869288] [drm] GPU hangs can indicate a
bug anywhere in the entire gfx stack, including userspace.
Jul  5 17:42:53 cayenne kernel: [74020.869289] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
Jul  5 17:42:53 cayenne kernel: [74020.869290] [drm] drm/i915 developers can
then reassign to the right component if it's not a kernel issue.
Jul  5 17:42:53 cayenne kernel: [74020.869291] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
Jul  5 17:42:59 cayenne kernel: [74026.875107] [drm] stuck on render ring
Jul  5 17:43:09 cayenne kernel: [74036.875500] [drm] stuck on render ring

This is using Linux Mint Petra with a mainline kernel:

Linux cayenne 3.14.8-031408-lowlatency #201406161755 SMP PREEMPT Mon Jun 16
22:03:46 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

Attached is the output of drm/card0/error.

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