[Bug 103639] GPU HANG: ecode 9:0:0x8fdfbffe, in code [5307], reason: Hang on rcs0, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103639

Elizabeth <elizabethx.de.la.torre.mena at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO
      i915 features|                            |GPU hang
      i915 platform|                            |KBL

--- Comment #2 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
(In reply to mcku from comment #1)
> This can be reproduced when the computer stays idle for, say, 30 minutes or
> so.
If reproducible, could you please try to get a dmesg or/and kern.log with debug
information: drm.debug=0x1e log_bug_len=2M parameters on grub.

Also could you try:

commit 1d033beb20d6d5885587a02a393b6598d766a382
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Oct 31 10:36:07 2017 +0000

    drm/i915: Check incoming alignment for unfenced buffers (on i915gm)

>From error state: 

render command stream:
...
  seqno: 0x00665f5d
  last_seqno: 0x00665f5f
  waiting: yes
  ring->head: 0x00000000
  ring->tail: 0x00000080
  hangcheck stall: yes
  hangcheck action: dead
  hangcheck action timestamp: 4322511296, 303163 ms ago
  ELSP[0]:  pid 5307, ban score 0, seqno       1e:00665f5e, emitted 305276ms
ago, head 00000000, tail 00000080
  ELSP[1]:  pid 5307, ban score 0, seqno       1b:00665f5f, emitted 305180ms
ago, head 00000000, tail 00000078
  Active context: code[5307] user_handle 5 hw_id 30, ban score 0 guilty 0
active 0
...
    00000000_00880000  8388608 7e 00 [ 00 00 00 00 00 ] 00 X dirty uncached
(fence: 5)

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