[Bug 61571] New: drm:ring_stuck error with i915 driver

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=61571

            Bug ID: 61571
           Summary: drm:ring_stuck error with i915 driver
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.11.1
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: a1094153 at drdrb.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Created attachment 108731
  --> https://bugzilla.kernel.org/attachment.cgi?id=108731&action=edit
error_state file contents

Anytime I load a video file or use the GPU in any way i get tons of the
following message in dmesg.

[  161.372074] [drm:ring_stuck] *ERROR* Kicking stuck wait on render ring
[  165.372674] [drm:ring_stuck] *ERROR* Kicking stuck wait on render ring
[  169.373276] [drm:ring_stuck] *ERROR* Kicking stuck wait on render ring

Also the video will play in what seems like 1 FPS

Reproducible: Always

Steps to Reproduce:
1. run mplayer on some avi file
2. observe failure of life
3. open bug report
Actual Results:  
[  161.372074] [drm:ring_stuck] *ERROR* Kicking stuck wait on render ring
[  165.372674] [drm:ring_stuck] *ERROR* Kicking stuck wait on render ring
[  169.373276] [drm:ring_stuck] *ERROR* Kicking stuck wait on render ring

Expected Results:  
no errors with proper playback framerate.

more dmesg error stuff:

[  169.373282] [drm:i915_hangcheck_elapsed] *ERROR* no progress on render ring
[  169.373284] [drm] capturing error event; look for more information in
/sys/kernel/debug/dri/0/i915_error_state
[  169.383415] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo
(0x3b35000 ctx 0) at 0x3b3501c


contents of the /sys/kernel/debug/dri/0/i915_error_state file are attached!

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