[Nouveau] [Bug 106077] New: gr: TRAP DISPATCH_QUERY

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106077

            Bug ID: 106077
           Summary: gr: TRAP DISPATCH_QUERY
           Product: xorg
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: pmenzel+bugs.freedesktop at molgen.mpg.de
        QA Contact: xorg-team at lists.x.org

With Linux 4.14.30, X.Org X Server 1.19.3, Nouveau 1.0.15 running XFCE 4.12 the
messages below are shown.

```
[…]
[   55.882828] nouveau 0000:01:00.0: NVIDIA GT216 (0a5c00a2)
[   56.007447] nouveau 0000:01:00.0: bios: version 70.16.72.00.04
[   56.008001] nouveau 0000:01:00.0: fb: 512 MiB DDR3
[   56.057440] [TTM] Zone  kernel: Available graphics memory: 3928698 kiB
[   56.057441] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[   56.057441] [TTM] Initializing pool allocator
[   56.057444] [TTM] Initializing DMA pool allocator
[   56.057456] nouveau 0000:01:00.0: DRM: VRAM: 512 MiB
[   56.057457] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[   56.057459] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
[   56.057460] nouveau 0000:01:00.0: DRM: DCB version 4.0
[   56.057461] nouveau 0000:01:00.0: DRM: DCB outp 00: 02000380 00000000
[   56.057463] nouveau 0000:01:00.0: DRM: DCB outp 01: 08000382 00020030
[   56.057464] nouveau 0000:01:00.0: DRM: DCB outp 02: 028213a6 0f220010
[   56.057465] nouveau 0000:01:00.0: DRM: DCB outp 03: 02021362 00020010
[   56.057466] nouveau 0000:01:00.0: DRM: DCB conn 00: 00002030
[   56.057467] nouveau 0000:01:00.0: DRM: DCB conn 01: 00101146
[   56.096865] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   56.096865] [drm] Driver supports precise vblank timestamp query.
[   56.147522] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[   56.198649] nouveau 0000:01:00.0: DRM: allocated 2560x1440 fb: 0x70000, bo
ffff8801f51d3800
[   56.200002] fbcon: nouveaufb (fb0) is primary device
[   56.362317] Console: switching to colour frame buffer device 240x75
[   56.378972] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[   56.389927] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on
minor 0
[…]
[24345.413226] nouveau 0000:01:00.0: gr: TRAP DISPATCH_QUERY
[24345.413228] nouveau 0000:01:00.0: gr: no stuck command?
[24345.413241] nouveau 0000:01:00.0: fb: trapped write at 0020215000 on channel
7 [1f7c3000 timetunnel[10223]] engine 00 [PGRAPH] client 03 [DISPATCH]
subclient 02 [QUERY] reason 00000002 [PAGE_NOT_PRESENT]
[…]
```

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