Comment 10 for bug 1684123

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