Bug 107479

Summary: GM108: MMIO read of 00000000 FAULT at 612004 [ IBUS ]
Product: xorg Reporter: Werner Lemberg <wl>
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: NEW --- QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
dmesg output none

Description Werner Lemberg 2018-08-04 07:49:21 UTC
Created attachment 140960 [details]
dmesg output

[Kernel 4.17.10]
[NVIDIA GM108]

During boot I see

  MMIO read of 00000000 FAULT at 612004 [ IBUS ]
  MMIO read of 00000000 FAULT at 10ac08 [ IBUS ]

There are similar bug reports already, cf. issues #100423 and #104835.

dmesg output attached.
Comment 1 gene 2018-08-10 16:02:19 UTC
Similar here

Kernel: 4.18 rc8

lspci:
01:00.0 3D controller: NVIDIA Corporation GM107GLM [Quadro M1200 Mobile] (rev a2)


...
01:00.0: fb: 4096 MiB GDDR5 
01:00.0: bus: MMIO read of 00000000 FAULT at 022554 [ IBUS ] 
 synaptics: device claims to have max coordinates query, but I'm not able to read it. 
01:00.0: bus: MMIO read of 00000000 FAULT at 10ac08 [ IBUS ] 
 vga_switcheroo: enabled
 [TTM] Zone  kernel: Available graphics memory: 16397174 kiB 
 [TTM] Zone   dma32: Available graphics memory: 2097152 kiB 
 [TTM] Initializing pool allocator 
 [TTM] Initializing DMA pool allocator 
 nouveau 0000:01:00.0: DRM: VRAM: 4096 MiB 
 nouveau 0000:01:00.0: DRM: GART: 1048576 MiB 
 nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid 
 nouveau 0000:01:00.0: DRM: DCB version 4.0 
 nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies 
 [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 1 
...

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