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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - nouveau 0000:01:00.0: DRM: failed to create kernel channel, -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101164">101164</a>
</td>
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<tr>
<th>Summary</th>
<td>nouveau 0000:01:00.0: DRM: failed to create kernel channel, -22
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>17.1
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>Drivers/DRI/nouveau
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>pachoramos1@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=131463" name="attach_131463" title="dmesg">attachment 131463</a> <a href="attachment.cgi?id=131463&action=edit" title="dmesg">[details]</a></span>
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</pre>
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