[Bug 88411] [HSW] stuck on render ring (screen is repeatedly freezing)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88411

--- Comment #24 from Jan Viktorin <iviktorin at fit.vutbr.cz> ---
Created attachment 133144
  --> https://bugs.freedesktop.org/attachment.cgi?id=133144&action=edit
/sys/class/drm/card0/error from 4.12.3

Kernel 4.12.3-1-ARCH - usable but irritating...

Jul 31 10:25:50 kernel: microcode: microcode updated early to revision 0x22,
date = 2017-01-27
Jul 31 10:25:50 kernel: Linux version 4.12.3-1-ARCH (builduser at nspawn-13499)
(gcc version 7.1.1 20170630 (GCC) ) #1 SMP PREEMPT Sat Jul 22 15:32:02 UTC 2017
...
Jul 31 10:27:39 kernel: [drm] GPU HANG: ecode 7:0:0x85dffffd, in Xorg [396],
reason: Hang on rcs, action: reset
Jul 31 10:27:39 kernel: [drm] GPU hangs can indicate a bug anywhere in the
entire gfx stack, including userspace.
Jul 31 10:27:39 kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Jul 31 10:27:39 kernel: [drm] drm/i915 developers can then reassign to the
right component if it's not a kernel issue.
Jul 31 10:27:39 kernel: [drm] The gpu crash dump is required to analyze gpu
hangs, so please always attach it.
Jul 31 10:27:39 kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jul 31 10:27:39 kernel: drm/i915: Resetting chip after gpu hang
...
Jul 31 10:36:41 kernel: drm/i915: Resetting chip after gpu hang
...

Jul 31 10:54:46 kernel: drm/i915: Resetting chip after gpu hang
Jul 31 10:55:41 kernel: drm/i915: Resetting chip after gpu hang
Jul 31 10:58:29 kernel: drm/i915: Resetting chip after gpu hang
...
Jul 31 11:05:58 kernel: drm/i915: Resetting chip after gpu hang
...
Jul 31 11:44:55 kernel: drm/i915: Resetting chip after gpu hang
Jul 31 11:45:29 kernel: drm/i915: Resetting chip after gpu hang
...
Jul 31 11:56:20 kernel: drm/i915: Resetting chip after gpu hang
...
Jul 31 11:58:43 kernel: drm/i915: Resetting chip after gpu hang
...
(and many more...)

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