Re: Nouveau on Quadro K2200, killed?

Hello folks,

Back to this tidbit, I now see:

```
[501174.329820] nouveau 0000:0c:00.0: gr: TRAP ch 11 [00ff6f1000 Renderer[3570]]
[501174.329834] nouveau 0000:0c:00.0: gr: GPC0/TPC1/MP trap: global
00000004 [MULTIPLE_WARP_ERRORS] warp 3d000d [OOR_REG]
[501174.329866] nouveau 0000:0c:00.0: gr: TRAP ch 11 [00ff6f1000 Renderer[3570]]
[501174.329875] nouveau 0000:0c:00.0: gr: GPC0/TPC2/MP trap: global
00000004 [MULTIPLE_WARP_ERRORS] warp 3f000d [OOR_REG]
[501174.329893] nouveau 0000:0c:00.0: gr: TRAP ch 11 [00ff6f1000 Renderer[3570]]
[501174.329901] nouveau 0000:0c:00.0: gr: GPC0/TPC0/MP trap: global
00000004 [MULTIPLE_WARP_ERRORS] warp 3f000d [OOR_REG]
[501174.329928] nouveau 0000:0c:00.0: gr: TRAP ch 11 [00ff6f1000 Renderer[3570]]
[501174.329937] nouveau 0000:0c:00.0: gr: GPC0/TPC1/MP trap: global
00000004 [MULTIPLE_WARP_ERRORS] warp 3f000d [OOR_REG]
[501174.329962] nouveau 0000:0c:00.0: gr: TRAP ch 11 [00ff6f1000 Renderer[3570]]
[501174.329971] nouveau 0000:0c:00.0: gr: GPC0/TPC2/MP trap: global
00000004 [MULTIPLE_WARP_ERRORS] warp 3c000d [OOR_REG]
[501174.329989] nouveau 0000:0c:00.0: gr: TRAP ch 11 [00ff6f1000 Renderer[3570]]
[501174.329997] nouveau 0000:0c:00.0: gr: GPC0/TPC0/MP trap: global
00000004 [MULTIPLE_WARP_ERRORS] warp 3c000d [OOR_REG]
[501174.330023] nouveau 0000:0c:00.0: gr: TRAP ch 11 [00ff6f1000 Renderer[3570]]
[501174.330031] nouveau 0000:0c:00.0: gr: GPC0/TPC1/MP trap: global
00000004 [MULTIPLE_WARP_ERRORS] warp 3c000d [OOR_REG]
[501178.626178] nouveau 0000:0c:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
[501178.626247] nouveau 0000:0c:00.0:
fifo:000000:000b:[Renderer[3570]] rc scheduled
[501178.626251] nouveau 0000:0c:00.0: fifo:000000: rc scheduled
[501178.626268] nouveau 0000:0c:00.0:
fifo:000000:000b:000b:[Renderer[3570]] errored - disabling channel
[501178.626274] nouveau 0000:0c:00.0: Xorg[2273]: channel 11 killed!
```
Different flavor of error -- has anybody seen this?

This was triggered by a "zoom out to workspace overview" command from
the keyboard in Gnome.

Cheers!

On Sat, Jun 20, 2026 at 4:21 PM Felix Miata <[email protected]> wrote:
>
> Sven Joachim composed on 2026-06-20 21:33 (UTC+0200):
>
> > On 2026-06-20 15:15 -0400, Felix Miata wrote:
>
> >> Boyan Penkov composed on 2026-06-20 14:38 (UTC-0400):
>
> >>> Interestingly, even before above, I was in modesetting, so I'm not
> >>> sure here, but will keep an eye out...
>
> >> There may be some installation algorithm that notes GPU and then includes
> >> something buried in either the /usr/ tree or /etc/X11/xorg.conf.d/ that precludes
> >> use of the old driver in favor of modesetting.
>
> > No, the X server prefers modesetting over nouveau on any halfway recent
> > (less than 20 years old) card.  This is due to a patch[1] which Debian
> > has copied from Fedora.
>
> So, something buried somewhere in /usr/. :D
>
> > 1. https://sources.debian.org/src/xorg-server/2%3A21.1.23-1/debian/patches/07_use-modesetting-driver-by-default-on-GeForce.diff--
> Evolution as taught in public schools is, like religion,
>         based on faith, not based on science.
>
>  Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
>
> Felix Miata
>


-- 
Boyan Penkov