[NV117] bus: MMIO read of 00000000 FAULT at 619444 [ IBUS ]

Submitted by Giuseppe Lumia

Assigned to Nouveau Project

Link to original bug (#111392)

Description

Created attachment 145046
Dmesg - Full

Hi, everything looks like working fine on my system but I noticed some error messages by Nouveau on dmesg.


[ 1.963196] nouveau: detected PR support, will not use DSM
[ 1.964517] nouveau 0000:01:00.0: NVIDIA GM107 (1171b0a2)
[ 2.009352] nouveau 0000:01:00.0: bios: version 82.07.79.00.1e
[ 2.115174] nouveau 0000:01:00.0: fb: 2048 MiB GDDR5
[ 2.115188] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 022554 [ IBUS ]
[ 2.125653] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 10ac08 [ IBUS ]
[ 2.786164] nouveau 0000:01:00.0: DRM: VRAM: 2048 MiB
[ 2.786164] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[ 2.786167] nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid
[ 2.786167] nouveau 0000:01:00.0: DRM: DCB version 4.0
[ 2.786508] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[ 2.786711] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 1
[ 13.593658] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 619444 [ IBUS ]
[ 21.216350] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 619444 [ IBUS ]
[ 31.437080] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 619444 [ IBUS ]
[ 3506.842157] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 619444 [ IBUS ]


For read error on addresses 022544 and 10ac08 two bug reports already exists (bug 100423 and bug 104835).

More info
Notebook model: ASUS N551JW
Kernel version: 5.2.6-200.fc30.x86_64 (Fedora 30)

Attachment 145046, "Dmesg - Full":
kernel_log.txt