[Bug 82839] New: [drm] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82839

          Priority: medium
            Bug ID: 82839
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [drm] stuck on render ring
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: redwoz at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

below errors shown after desktop (but not mouse pointer) freezes for 10 seconds
then seems to unfreeze. often have chromium open and have been doing things in
quick succession. happens most days.

[55024.663145] [drm] stuck on render ring
[55024.663150] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[55024.663150] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[55024.663151] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[55024.663152] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[55024.663152] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.

crash dump mentioned above is empty; hardware config:

- Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz
- Z77X-UD3H, BIOS F17 08/22/2012
- 3 
- Ubuntu 14.04 x64 3.13.0-34-generic #60
- Chromium 36.0.1985.125 Ubuntu 14.04 (283153)

cheers

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