[Bug 93056] New: i915 Ring hung gpu hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93056

            Bug ID: 93056
           Summary: i915 Ring hung gpu hang
           Product: DRI
           Version: DRI git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lists.jjorge at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 120005
  --> https://bugs.freedesktop.org/attachment.cgi?id=120005&action=edit
cat /sys/class/drm/card0/error

[   31.385362] [drm] Initialized drm 1.1.0 20060810
[   31.797907] [drm] Memory usable by graphics device = 128M
[   31.797923] fb: switching to inteldrmfb from VESA VGA
[   31.798760] [drm] Replacing VGA console driver
[   31.801404] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   31.801411] [drm] Driver supports precise vblank timestamp query.
[   31.822545] [drm] initialized overlay support
[   31.823395] [drm] Initialized i915 1.6.0 20150327 for 0000:00:02.0 on minor
0
[   31.894944] fbcon: inteldrmfb (fb0) is primary device
[   31.895817] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[   83.704043] [drm] stuck on render ring
[   83.743458] [drm] GPU HANG: ecode 2:0:0x540fffc7, in X [844], reason: Ring
hung, action: reset
[   83.743468] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[   83.743471] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[   83.743473] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[   83.743475] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[   83.743477] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[   83.747972] drm/i915: Resetting chip after gpu hang
[   83.748020] [drm:i915_reset [i915]] *ERROR* Failed to reset chip: -19

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