MMIO read of 00000000 FAULT, nouveau, NVIDIA GM107 (1173a0a2) = Nvidia Quadro K2200 + MMIO.log from 340
Information from dmesg:
[ 0.886014] nouveau 0000:07:00.0: NVIDIA GM107 (1173a0a2)
[ 0.996440] nouveau 0000:07:00.0: bios: version 82.07.79.00.1a
[ 0.996927] nouveau 0000:07:00.0: fb: 4096 MiB GDDR5
[ 0.996942] nouveau 0000:07:00.0: bus: MMIO read of 00000000 FAULT at 3e6684 [ IBUS ]
[ 1.038847] nouveau 0000:07:00.0: bus: MMIO read of 00000000 FAULT at 10ac08 [ IBUS ]
Maybe is missing information from mmio. I send now also mmiotrace file in this bug report for fix it.
Edited by Ilia Mirkin