[Bug 101164] New: nouveau 0000:01:00.0: DRM: failed to create kernel channel, -22

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=101164

            Bug ID: 101164
           Summary: nouveau 0000:01:00.0: DRM: failed to create kernel
                    channel, -22
           Product: Mesa
           Version: 17.1
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: pachoramos1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org

Created attachment 131463
  --> https://bugs.freedesktop.org/attachment.cgi?id=131463&action=edit
dmesg

I see this error in dmesg output:
nouveau 0000:01:00.0: DRM: failed to create kernel channel, -22

This message is shown between this:
[    0.990005] VGA switcheroo: detected Optimus DSM method \_SB_.PCI0.PEG0.PEGP
handle
[    0.990006] nouveau: detected PR support, will not use DSM
[    0.990037] nouveau 0000:01:00.0: enabling device (0004 -> 0007)
[    0.990171] nouveau 0000:01:00.0: NVIDIA GP107 (137000a1)
[    1.025754] nouveau 0000:01:00.0: bios: version 86.07.3c.00.60
[    1.082353] nouveau 0000:01:00.0: priv: HUB0: 00d054 00000007 (1a408216)
[    1.082358] nouveau 0000:01:00.0: fb: 4096 MiB GDDR5
[    1.084171] vga_switcheroo: enabled
[    1.084254] [TTM] Zone  kernel: Available graphics memory: 8033790 kiB
[    1.084254] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[    1.084255] [TTM] Initializing pool allocator
[    1.084257] [TTM] Initializing DMA pool allocator
[    1.084265] nouveau 0000:01:00.0: DRM: VRAM: 4096 MiB
[    1.084266] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[    1.084267] nouveau 0000:01:00.0: DRM: BIT table 'A' not found
[    1.084268] nouveau 0000:01:00.0: DRM: BIT table 'L' not found
[    1.084269] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
[    1.084270] nouveau 0000:01:00.0: DRM: DCB version 4.1
[    1.084272] nouveau 0000:01:00.0: DRM: DCB outp 00: 02022f62 00020010
[    1.084273] nouveau 0000:01:00.0: DRM: DCB conn 02: 00010261
[    1.084274] nouveau 0000:01:00.0: DRM: DCB conn 04: 01000446
[    1.084275] nouveau 0000:01:00.0: DRM: DCB conn 05: 02000546
[    1.084276] nouveau 0000:01:00.0: DRM: Pointer to flat panel table invalid
[    1.107611] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.107612] [drm] Driver supports precise vblank timestamp query.
[    1.267495] fbcon: inteldrmfb (fb0) is primary device
[    1.425033] nouveau 0000:01:00.0: DRM: failed to create kernel channel, -22
[    1.426516] [drm] Cannot find any crtc or sizes - going 1024x768
[    1.428296] nouveau 0000:01:00.0: DRM: allocated 1024x768 fb: 0x60000, bo
ffff88046c748000
[    1.668461] clocksource: Switched to clocksource tsc
[    2.406679] Console: switching to colour frame buffer device 240x67
[    2.423231] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    2.423357] nouveau 0000:01:00.0: fb1: nouveaufb frame buffer device
[    2.423364] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on
minor 1

I am running kernel-4.11.2 and xorg-server-1.19.3. I attach the full dmesg
output and config file

Thanks a lot for your help

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