MMIO read of 00000000 FAULT at 10ac08 [ IBUS ]

Submitted by Bruno Pagani @Archange

Assigned to Nouveau Project

Link to original bug (#104835)

Description

Same setup as in https://bugs.freedesktop.org/show_bug.cgi?id=100423

Relevant part of dmesg:

[   10.667586] nouveau 0000:01:00.0: enabling device (0006 -> 0007)<br>
[   10.667788] nouveau 0000:01:00.0: NVIDIA GM107 (117310a2)<br>
[   10.695951] nouveau 0000:01:00.0: bios: version 82.07.a9.00.0c<br>
[   10.849391] nouveau 0000:01:00.0: fb: 4096 MiB GDDR5<br>
[   10.849404] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 022554 [ IBUS ]<br>
[   10.851426] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 10ac08 [ IBUS ]<br>
[   11.937159] nouveau 0000:01:00.0: DRM: VRAM: 4096 MiB<br>
[   11.937160] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB<br>
[   11.937163] nouveau 0000:01:00.0: DRM: TMDS table version 2.0<br>
[   11.937164] nouveau 0000:01:00.0: DRM: DCB version 4.0<br>
[   11.937165] nouveau 0000:01:00.0: DRM: DCB outp 01: 02811fa6 04420010<br>
[   11.937167] nouveau 0000:01:00.0: DRM: DCB outp 02: 02011f62 04420010<br>
[   11.937168] nouveau 0000:01:00.0: DRM: DCB outp 03: 08822fc6 04420010<br>
[   11.937169] nouveau 0000:01:00.0: DRM: DCB outp 04: 08022f82 04420010<br>
[   11.937170] nouveau 0000:01:00.0: DRM: DCB conn 01: 00010146<br>
[   11.937171] nouveau 0000:01:00.0: DRM: DCB conn 02: 01000246<br>
[   12.126552] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies<br>
[   12.233419] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 1<br>