https://bugs.freedesktop.org/show_bug.cgi?id=70354

--- Comment #67 from Ben Skeggs <skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to Bozhan Boyadzhiev from comment #65)
> Sorry for delay.
> 
> 
> [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.3.0-rc4-amd64
> root=UUID=d059e904-eec5-49ea-9e05-d3370455329c ro nouveau.runpm=0 quiet
> splash
> [    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.3.0-rc4-amd64
> root=UUID=d059e904-eec5-49ea-9e05-d3370455329c ro nouveau.runpm=0 quiet
> splash
> [   17.692733] nouveau 0000:01:00.0: enabling device (0006 -> 0007)
> [   17.692756] nouveau 0000:01:00.0: NVIDIA GK107 (0e70d0a2)
> [   17.705157] nouveau 0000:01:00.0: bios: version 80.07.a8.00.0f
> [   17.867615] nouveau 0000:01:00.0: fb: 2048 MiB GDDR5
> [   17.867692] nouveau 0000:01:00.0: bus: MMIO write of 00000002 FAULT at
> 4188ac [ IBUS ]
> [   17.938396] nouveau 0000:01:00.0: DRM: VRAM: 2048 MiB
> [   17.938397] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
> [   17.938399] nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid
> [   17.938417] nouveau 0000:01:00.0: DRM: DCB version 4.0
> [   17.938418] nouveau 0000:01:00.0: DRM: Pointer to flat panel table invalid
> [   18.168394] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
> [   18.168400] [drm] Initialized nouveau 1.3.0 20120801 for 0000:01:00.0 on
> minor 1
> [   25.809299] nouveau 0000:01:00.0: gr: wait for idle timeout (en: 1,
> ctxsw: 0, busy: 1)
> [   27.810911] nouveau 0000:01:00.0: gr: wait for idle timeout (en: 1,
> ctxsw: 0, busy: 1)
> [   29.812527] nouveau 0000:01:00.0: gr: wait for idle timeout (en: 1,
> ctxsw: 0, busy: 1)
> [   31.814138] nouveau 0000:01:00.0: gr: wait for idle timeout (en: 1,
> ctxsw: 0, busy: 1)
> [   33.815894] nouveau 0000:01:00.0: timeout at
> /home/bozhan/nouveau/drm/nouveau/nvkm/engine/gr/ctxgf100.c:1365/
> gf100_grctx_generate()!
> [   33.815947] nouveau 0000:01:00.0: gr: failed to construct context
> [   33.815951] nouveau 0000:01:00.0: gr: init failed, -16
> 
> 
> This is with your tree.

If you add "nouveau.config=War00C800_0=1" to your kernel options, does that
help?

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