PC:/home/amadrits # inxi -Gayz
Graphics:
Device-1: NVIDIA G98 [GeForce 8400 GS Rev. 2] vendor: Gigabyte
driver: nouveau v: kernel non-free: series: 340.xx status: legacy (EOL) last:
release: 340.108 kernel: 5.4 xorg: 1.20 arch: Tesla process: 40-80nm
built: 2006-13 pcie: gen: 1 speed: 2.5 GT/s lanes: 16 ports: active: VGA-1
empty: DVI-I-1 bus-ID: 01:00.0 chip-ID: 10de:06e4 class-ID: 0300
temp: 64.0 C
Display: x11 server: X.Org v: 1.21.1.11 with: Xwayland v: 24.1.1
compositor: kwin_x11 driver: X: loaded: nouveau
unloaded: fbdev,modesetting,vesa alternate: nv,nvidia dri: nouveau
gpu: nouveau display-ID: :0 screens: 1
Screen-1: 0 s-res: 1920x1200 s-dpi: 96 s-size: 508x317mm (20.00x12.48")
s-diag: 599mm (23.57")
Monitor-1: VGA-1 model: Dell U2412M serial: <filter> built: 2013
res: 1920x1200 hz: 60 dpi: 94 gamma: 1.2 size: 518x324mm (20.39x12.76")
diag: 611mm (24.1") ratio: 16:10 modes: max: 1920x1200 min: 720x400
API: OpenGL v: 3.3 Mesa 23.3.4 renderer: NV98 direct-render: Yes
PC:/home/amadrits # zypper se -si | grep -Ei 'system_p|system p|system-p|systemp'
i+ | celestia | Paket | 1.7.0-lp150.3.1 | x86_64 | (Systempakete)
i+ | ctxusb | Paket | 24.5.0.76-1 | x86_64 | (Systempakete)
i+ | google-earth-pro-stable | Paket | 7.3.6.9345-0 | x86_64 | (Systempakete)
i+ | ICAClient | Paket | 24.5.0.76-0 | x86_64 | (Systempakete)
i+ | libimobiledevice6 | Paket | 1.2.0+git20180427.26373b3-1.40 | x86_64 | (Systempakete)
i+ | libplist3 | Paket | 2.0.0-1.31 | x86_64 | (Systempakete)
i+ | libusbmuxd4 | Paket | 1.0.10-3.23 | x86_64 | (Systempakete)
i+ | libx265-209 | Paket | 3.6-150600.2.pm.3 | x86_64 | (Systempakete)
i+ | mandelbulber | Paket | 2.26-lp152.1.1 | x86_64 | (Systempakete)
i+ | mesa-libGLU | Paket | 0.0.1-lp154.6.1 | noarch | (Systempakete)
i+ | phonon4qt5-backend-gstreamer | Paket | 4.10.0-bp155.2.15 | x86_64 | (Systempakete)
i+ | pulsesecure | Paket | 2:22.8-R1 | x86_64 | (Systempakete)
i+ | vlc-beta | Paket | 20250603.0aaaf7ed0f-150600.55.pm.1 | x86_64 | (Systempakete)
Can you use another Display Manager like gdm or xdm?
# LANG=C update-alternatives --config default-displaymanager
There are 4 choices for the alternative default-displaymanager (providing /usr/lib/X11/displaymanagers/default-displaymanager).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/lib/X11/displaymanagers/sddm 25 auto mode
1 /usr/lib/X11/displaymanagers/console 5 manual mode
2 /usr/lib/X11/displaymanagers/lightdm 15 manual mode
3 /usr/lib/X11/displaymanagers/sddm 25 manual mode
4 /usr/lib/X11/displaymanagers/xdm 10 manual mode
Press <enter> to keep the current choice[*], or type selection number:
PC:/home/amadrits # uname -a
Linux PC2 6.4.0-150600.23.50-default #1 SMP PREEMPT_DYNAMIC Fri May 9 22:09:52 UTC 2025 (dee422c) x86_64 x86_64 x86_64 GNU/Linux
With lightdm I have rendering errors.
With xdm I canāt select desktop environments.
With gdm it works with a black background without branding.
With sddm it works when I was already logged in and logged out.
Could this issue be related to openSUSE banding?
aggie
June 9, 2025, 9:48pm
25
Hmm. I donāt see any comments about investigating the logs.
Iād start with checking:
Then other logs, if appropriate
...
2025-06-11T21:06:17.178254+02:00 PC sddm-greeter[1979]: Adding view for "VGA-1" QRect(0,0 1920x1200)
2025-06-11T21:06:17.184903+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: fifo: DMA_PUSHER - ch 4 [sddm-greeter[1979]] get 000021a000 put 000021a088 ib_get 0000000b ib_put 0000000c state 80000024 (err: INVALID_CMD) push 00406040
2025-06-11T21:06:17.325766+02:00 PC sddm-greeter[1979]: Qt Quick Layouts: Polish loop detected. Aborting after two iterations.
2025-06-11T21:06:17.350447+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: fifo: DMA_PUSHER - ch 4 [sddm-greeter[1979]] get 000021a08c put 000021b4fc ib_get 0000000d ib_put 0000000e state 80000000 (err: INVALID_CMD) push 00406040
...
2025-06-11T21:06:17.388882+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: gr: TRAP_CCACHE 00000001 [FAULT]
2025-06-11T21:06:17.388892+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: gr: TRAP_CCACHE 00000080 00000000 00000000 00000000 00000000 00000004 00000000
2025-06-11T21:06:17.388895+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: gr: 00200000 [] ch 4 [001f858000 sddm-greeter[1979]] subc 3 class 8297 mthd 15e0 data 00000000
2025-06-11T21:06:17.388898+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: fb: trapped read at 0000000000 on channel 4 [1f858000 sddm-greeter[1979]] engine 00 [PGRAPH] client 05 [CCACHE] subclient 00 [CB] reason 00000002 [PAGE_NOT_PRESENT]
...
2025-06-11T21:06:17.496956+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: gr: TRAP_CCACHE 00000001 [FAULT]
2025-06-11T21:06:17.496958+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: gr: TRAP_CCACHE 00000080 00000000 00000000 00000000 00000000 00000004 00000000
2025-06-11T21:06:17.496960+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: gr: 00200000 [] ch 4 [001f858000 sddm-greeter[1979]] subc 3 class 8297 mthd 15e0 data 00000000
2025-06-11T21:06:17.508898+02:00 PC kernel: [ C0] nouveau 0000:01:00.0: gr: TRAP_MP_EXEC - TP 0 MP 0: 00000003 [STACK_UNDERFLOW STACK_MISMATCH] at 07ff40 warp 7, opcode ff08288d ff2c3782
...
I noticed that SDDM is displayed in tty2. If I type init 3 and then init 5 in tty1, SDDM is displayed correctly in tty7.
The first āgraphical Konsoleā has changed from tty7 to the next free one (tty2 )years ago.
Iād like to try this in display 7. Where can I change this?
gdm starts in display 7 and works, but there is no tty1.
xdm also starts in display 7 and works.
I noticed that the ttyās take a very long time to start.
aggie
June 13, 2025, 10:33pm
33
Why is that ācorrectlyā ?
It has changedā¦ move on to changes
By ācorrect,ā I meant that the letters are displayed correctly. But now Iāve noticed that if I force sddm to start after booting into vt7 by enabling the tty2 through tty6 services, the letters arenāt displayed either. Interestingly, if I log off, meaning a session has already been established, the letters are displayed in sddm, even in tty2.
