Your message dated Thu, 10 Sep 2026 10:30:08 +0200
with message-id 
<k46vup65ujvleq34vuggnyq7q62enco3vgw7dazgtb4vwvbwno@n3pgwloafyut>
and subject line Re: Bug#1147098: linux-image-6.12: nouveau: "failed to create 
ce channel, -22" logged on every boot on GT218, not present with 6.1
has caused the Debian Bug report #1147098,
regarding linux-image-6.12: nouveau: "failed to create ce channel, -22" logged 
on every boot on GT218, not present with 6.1
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
1147098: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1147098
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: src:linux
Version: 6.12.107-1
Severity: minor
Tags: upstream

Dear Maintainer,


CONTEXT
=======

I upgraded this machine from Debian 11 to Debian 12 to Debian 13. While
looking
into a Wayland freeze on the same machine (Debian bug #1147096) I noticed
this
error message, which is unrelated as far as I can tell but is new since the
upgrade.


WHAT I OBSERVE
==============

On a GeForce 210 (GT218, Tesla), nouveau logs an error-level message on
every
boot with the 6.12 kernel:

  nouveau 0000:01:00.0: drm: failed to create ce channel, -22
  nouveau 0000:01:00.0: drm: MM: using COPY for buffer copies

Booting the same machine on linux-image-6.1.0-52-amd64 does not print it.

I have not noticed any misbehaviour I could attribute to it, and the second
line suggests buffer copies still work. I am reporting it because it is an
error that was not there before, on hardware that is presumably not tested
much any more.


HARDWARE AND VERSIONS
=====================

  01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce 210]
(rev a2)
  Dell Inc. OptiPlex 390/0M5DCD, BIOS A07 05/27/2012
  nouveau 0000:01:00.0: NVIDIA GT218 (0a8280b1), bios 70.18.49.00.00, 1024
MiB DDR3

  linux-image-6.12.107+deb13-amd64: 6.12.107-1
  not present on:                   linux-image-6.1.0-52-amd64 (6.1.180-1)


WHAT THE LOGS CONTAIN
=====================

6.12, every boot:

  nouveau 0000:01:00.0: NVIDIA GT218 (0a8280b1)
  nouveau 0000:01:00.0: bios: version 70.18.49.00.00
  nouveau 0000:01:00.0: fb: 1024 MiB DDR3
  nouveau 0000:01:00.0: drm: VRAM: 1024 MiB
  nouveau 0000:01:00.0: drm: GART: 1048576 MiB
  nouveau 0000:01:00.0: drm: TMDS table version 2.0
  nouveau 0000:01:00.0: drm: failed to create ce channel, -22
  nouveau 0000:01:00.0: drm: MM: using COPY for buffer copies
  [drm] Initialized nouveau 1.4.0 for 0000:01:00.0 on minor 0

6.1, same machine, same place in the sequence:

  nouveau 0000:01:00.0: DRM: TMDS table version 2.0
  [...]
  nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies

i.e. the "using COPY" line is there in both cases; only the error is new.



-- System Information:
Debian Release: 13.6
Architecture: amd64 (x86_64)
Kernel: Linux 6.12.107+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.107-1
(2026-08-29) x86_64 GNU/Linux
Locale: LANG=fr_FR.UTF-8

-- Versions of relevant packages:
linux-image-6.12.107+deb13-amd64  6.12.107-1
libgl1-mesa-dri                   25.0.7-2+deb13u1
libglx-mesa0                      25.0.7-2+deb13u1
libdrm2                           2.4.124-2
gdm3                              48.0-2
gnome-shell                       48.7-0+deb13u2
xserver-xorg-core                 2:21.1.16-1.3+deb13u3
gstreamer1.0-gl                   1.26.2-1+deb13u1
gstreamer1.0-plugins-base         1.26.2-1+deb13u1

--- End Message ---
--- Begin Message ---
Hi

This bug report was most likely written by a LLM.  It lacks all the
information we collect via the preferred way of using reportbug.  We
consider this unactionable and will just close it without looking
further.

For the future: please use "reportbug kernel".

Bastian

-- 
Peace was the way.
                -- Kirk, "The City on the Edge of Forever", stardate unknown

--- End Message ---

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