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

