[Bug 92774] [BSW] GPU reset fails after GPU HANG: *ERROR* Failed to reset chip: -5

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92774

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
      i915 platform|                            |BDW
         Resolution|FIXED                       |---

--- Comment #7 from Chris Wilson <chris at chris-wilson.co.uk> ---
I've just seen

[  163.979728] drm/i915: Resetting chip after gpu hang
[  164.695335] [drm:gen8_do_reset] *ERROR* blitter ring: reset request timeout
[  164.695342] [drm:i915_reset] *ERROR* Failed to reset chip: -5

on bdw with

commit 99106bc17e667989b4c0af0a6afcbd6ddbada8fb
Author: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Date:   Thu Nov 5 13:11:38 2015 +0200

    drm/i915: Do graphics device reset under forcewake

applied. I do not expect it to be easily reproducible.

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