https://bugs.freedesktop.org/show_bug.cgi?id=100423

--- Comment #1 from gene <gjunk-AoUl3cPchBZWk0Htik3J/w@public.gmane.org> ---
I have similar issue on dell precision 5520 with 
Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
Has nvidia maxwell (NV117) and 4k touch screen

I see these :


 nouveau 0000:01:00.0: fb: 4096 MiB GDDR5 
 nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 10ac08 [ IBUS ] 
 nouveau 0000:01:00.0: priv: HUB0: 10ecc0 ffffffff (1f40822c) 
 vga_switcheroo: enabled
 [TTM] Zone  kernel: Available graphics memory: 16334986 kiB 
 [TTM] Zone   dma32: Available graphics memory: 2097152 kiB 
 [TTM] Initializing pool allocator 
 [TTM] Initializing DMA pool allocator 
 nouveau 0000:01:00.0: DRM: VRAM: 4096 MiB 
 nouveau 0000:01:00.0: DRM: GART: 1048576 MiB 
 nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid 
 nouveau 0000:01:00.0: DRM: DCB version 4.0 
 nouveau 0000:01:00.0: DRM: Pointer to flat panel table invalid

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