[Nouveau] [Bug 103421] Kernel 4.13+ nouveau breaks screen output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103421

Andrey Mazo <ahippo at yandex.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ahippo at yandex.ru

--- Comment #1 from Andrey Mazo <ahippo at yandex.ru> ---
I'm seeing the same problem on 4.13.11.

I have the same video card:
03:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF119 [NVS 310]
[10de:107d] (rev a1)

And a NULL pointer dereference:
[    2.354551] nouveau 0000:03:00.0: DRM: allocated 1920x1080 fb: 0x60000, bo
ffffa3167a6b2000
[    2.455441] BUG: unable to handle kernel NULL pointer dereference at        
  (null)
[    2.455444] IP:           (null)
[    2.455445] PGD 0
[    2.455446] P4D 0

[    2.455448] Oops: 0010 [#1] SMP
[    2.455449] Modules linked in:
...
[    2.455471] Call Trace:
[    2.455476]  ? nvkm_dp_train_drive+0x1e8/0x2d0
[    2.455479]  nvkm_dp_acquire+0x8eb/0xcd0
[    2.455482]  nv50_disp_super_2_2+0x6b/0x430
[    2.455486]  ? nvkm_devinit_pll_set+0xa/0x10
[    2.455487]  gf119_disp_super+0x1ac/0x2f0
[    2.455492]  process_one_work+0x193/0x430
[    2.455493]  ? process_one_work+0x136/0x430
[    2.455495]  worker_thread+0x49/0x450
[    2.455499]  kthread+0x109/0x140
[    2.455500]  ? create_worker+0x1a0/0x1a0
[    2.455502]  ? kthread_create_on_node+0x40/0x40
[    2.455509]  ret_from_fork+0x27/0x40
[    2.455510] Code:  Bad RIP value.
[    2.455514] RIP:           (null) RSP: ffffbeed062afc10
[    2.455514] CR2: 0000000000000000
[    2.455517] ---[ end trace 85d5c96bafea0973 ]---

Please, see the full kernel.log attached.

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