[Bug 91510] New: GPU HANG: ecode 4:0:0x33404040, in Xorg [1243], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91510

            Bug ID: 91510
           Summary: GPU HANG: ecode 4:0:0x33404040, in Xorg [1243],
                    reason: Ring hung, action: reset
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: minor
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tez at terryburton.co.uk
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 117465
  --> https://bugs.freedesktop.org/attachment.cgi?id=117465&action=edit
cat /sys/class/drm/card0/error

One off hang with Ubuntu 15.04. Filing bug as requested.

[4502933.820027] [drm] stuck on render ring
[4502933.821391] [drm] GPU HANG: ecode 4:0:0x33404040, in Xorg [1243], reason:
Ring hung, action: reset
[4502933.821393] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[4502933.821394] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[4502933.821395] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[4502933.821396] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[4502933.821397] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[4502933.821399] i915: render error detected, EIR: 0x00000010
[4502933.821403] i915:   IPEIR: 0x00000000
[4502933.821404] i915:   IPEHR: 0xccbfbfbf
[4502933.821405] i915:   INSTDONE_0: 0xffffffff
[4502933.821406] i915:   INSTDONE_1: 0xbfffffff
[4502933.821407] i915:   INSTDONE_2: 0x00000000
[4502933.821408] i915:   INSTDONE_3: 0x00000000
[4502933.821410] i915:   INSTPS: 0x8001e022
[4502933.821411] i915:   ACTHD: 0x0aae4d88
[4502933.821412] i915: page table error
[4502933.821413] i915:   PGTBL_ER: 0x00000002
[4502933.821446] [drm:i915_handle_error [i915]] *ERROR* EIR stuck: 0x00000010,
masking
[4502933.821519] drm/i915: Resetting chip after gpu hang

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