Comment # 14 on bug 103721 from kenorb@gmail.com

Pasting relevant info from freeze-20180116-drm.debug.log, so it's easier to
find.

[drm:drm_mode_addfb2 [drm]] [FB:90]
00a0 2 nv50_base_ntfy_set
        00000120
        f0000000
0084 1 nv50_base_image_set
        00000010
00c0 1 nv50_base_image_set
        fb0000fe
0400 5 nv50_base_image_set
        000f6c00
        00000000
        04380780
        00007804
        0000cf00
0080 1 nv50_base_update
        00000000
nouveau 0000:01:00.0: fifo: read fault at aa8e32b000 engine 00 [GR] client 0d
[GPC0/GCC] reason 00 [PDE] on channel 6 [007f287000 Xorg[2795]]
nouveau 0000:01:00.0: fifo: channel 6: killed
nouveau 0000:01:00.0: fifo: runlist 0: scheduled for recovery
nouveau 0000:01:00.0: fifo: engine 0: scheduled for recovery
nouveau 0000:01:00.0: Xorg[2795]: channel 6 killed!
[drm:drm_mode_addfb2 [drm]] [FB:93]