[Bug 91764] New: [drm] GPU HANG: ecode 8:0:0x00201001, reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91764

            Bug ID: 91764
           Summary: [drm] GPU HANG: ecode 8:0:0x00201001, reason: Ring
                    hung, action: reset
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: siflfran at hawo.net
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 117927
  --> https://bugs.freedesktop.org/attachment.cgi?id=117927&action=edit
crash log

I get the following when load the i915 module on a broadwell-u:

[  891.121322] [drm] Initialized drm 1.1.0 20060810
[  891.127056] [drm] Memory usable by graphics device = 4096M
[  891.127151] [drm] VT-d active for gfx access
[  891.127251] [drm] Replacing VGA console driver
[  891.127957] Console: switching to colour dummy device 80x25
[  891.134284] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[  891.134290] [drm] Driver supports precise vblank timestamp query.
[  891.134435] vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[  891.147350] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
[  891.147690] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input7
[  891.147803] [drm] Initialized i915 1.6.0 20150327 for 0000:00:02.0 on minor
0
[  891.185303] fbcon: inteldrmfb (fb0) is primary device
[  891.313813] Console: switching to colour frame buffer device 240x67
[  891.318478] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[  891.318504] i915 0000:00:02.0: registered panic notifier
[  899.180411] [drm] stuck on render ring
[  899.181241] [drm] GPU HANG: ecode 8:0:0x00201001, reason: Ring hung, action:
reset
[  899.181272] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  899.181307] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  899.181341] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  899.181376] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  899.181423] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  899.183561] drm/i915: Resetting chip after gpu hang
[  905.179524] [drm] stuck on render ring
[  905.180348] [drm] GPU HANG: ecode 8:0:0x00201001, reason: Ring hung, action:
reset
[  905.180435] [drm:i915_set_reset_status [i915]] *ERROR* gpu hanging too fast,
banning!
[  905.182602] drm/i915: Resetting chip after gpu hang

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