Comment 33 for bug 1684123

I'm getting one of these too on Fedora 28 KDE Plasma spin.

Acer Aspire VN7-592G/Aspire VN7-592G, BIOS V1.13 03/21/2018
Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)

$ cat /proc/version
Linux version 4.19.6-200.fc28.x86_64 (<email address hidden>) (gcc version 8.2.1 20181105 (Red Hat 8.2.1-5) (GCC)) #1 SMP Sun Dec 2 18:03:32 UTC 2018

$ journalctl -b --no-hostname -o short-monotonic | grep nouveau
[ 2.515464] kernel: nouveau: detected PR support, will not use DSM
[ 2.515480] kernel: nouveau 0000:01:00.0: enabling device (0006 -> 0007)
[ 2.515620] kernel: nouveau 0000:01:00.0: NVIDIA GM107 (1171b0a2)
[ 2.537544] kernel: nouveau 0000:01:00.0: bios: version 82.07.80.00.2a
[ 2.586306] kernel: nouveau 0000:01:00.0: fb: 2048 MiB GDDR5
[ 2.586357] kernel: nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 022554 [ IBUS ]
[ 2.599343] kernel: nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 10ac08 [ IBUS ]
[ 3.260508] kernel: nouveau 0000:01:00.0: DRM: VRAM: 2048 MiB
[ 3.260509] kernel: nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[ 3.260511] kernel: nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid
[ 3.260512] kernel: nouveau 0000:01:00.0: DRM: DCB version 4.0
[ 3.261005] kernel: nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[ 3.261011] kernel: [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 1
[ 7.846986] kernel: nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 619444 [ IBUS ]