[Bug 80199] New: [drm] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80199

          Priority: medium
            Bug ID: 80199
                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: webstrand at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 101318
  --> https://bugs.freedesktop.org/attachment.cgi?id=101318&action=edit
/sys/class/drm/card0/error

[   85.435367] [drm] stuck on render ring
[   85.436107] [drm] GPU HANG: ecode 0:0x85dffffd, in X [593], reason: Ring
hung, action: reset
[   85.436111] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[   85.436113] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[   85.436114] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[   85.436116] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[   85.436118] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[   87.437121] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[   91.367204] [drm] stuck on render ring
[   91.368537] [drm] GPU HANG: ecode 0:0x85dffffd, in X [593], reason: Ring
hung, action: reset
[   91.368699] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast,
banning!
[   93.369002] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[  230.516279] [drm] stuck on render ring
[  230.517059] [drm] GPU HANG: ecode 0:0x85dffffd, in glxspheres64 [3870],
reason: Ring hung, action: reset
[  232.517981] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[  236.528072] [drm] stuck on render ring
[  236.529124] [drm] GPU HANG: ecode 0:0x85dfbffb, in glxspheres64 [3870],
reason: Ring hung, action: reset
[  238.529891] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off


My distribution is ArchLinux with stock kernel 3.15.1-1. I do not see any
graphical corruption, the visual display freezes for a few seconds.

The last pre-compiled kernel that does not express this hang is 3.12.9-2.

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