[Nouveau] [Bug 100423] MMIO read of 00000000 FAULT at 022554 [ IBUS ]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100423

--- Comment #19 from boldingd at gmail.com ---
I think I'm also seeing this with Fedora 29 Beta, I was also seeing errors with
updated Fedora 28.

[    1.614055] nouveau: detected PR support, will not use DSM
[    1.614243] nouveau 0000:01:00.0: NVIDIA GM108 (118070a2)
[    1.629639] nouveau 0000:01:00.0: bios: version 82.08.3b.00.4b
[    1.714600] nouveau 0000:01:00.0: fb: 2048 MiB DDR3
[    1.714622] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 6013d4
[ IBUS ]
[    1.729900] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 10ac08
[ IBUS ]
[    2.372521] nouveau 0000:01:00.0: DRM: VRAM: 2048 MiB
[    2.372522] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[    2.372526] nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid
[    2.372543] nouveau 0000:01:00.0: DRM: DCB version 4.0
[    2.373356] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[    2.373363] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on
minor 1
[    8.044183] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 619444
[ IBUS ]
[    9.126208] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 619444
[ IBUS ]
[   93.901280] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 6013d4
[ IBUS ]
[  101.777394] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 6013d4
[ IBUS ]
[  112.733004] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 6013d4
[ IBUS ]

I'm also on a laptop (Asus Zenbook UX303U) with hybrid graphics (Skylake GT2
[HD Graphics 520] (rev 07) / GM108M [GeForce 940M] (rev a2)).

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