gr: TRAP DISPATCH_QUERY

Submitted by Paul Menzel

Assigned to Nouveau Project

Link to original bug (#106077)

Description

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.

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