[SOLVED] KDE startup screen doesnt appear on external monitor

brownpaperbag · 2024-02-17 14:49:02

Hi everyone!

So Im using X11 with KDE and have nvidia card.
I tried Wayland but it seems to have like a lot of bugs.

So everything was fine when I installed KDE with kde-applications-meta package.
Then I realized that had to reainstall Arch and this time I chose kde-applications group.
And this time I got some weird bugs.

First thing that login screen only appears on my built in laptop monitor.
Also I cant swith language with my external keyboard so I do it with a mouse.
And another thing my bluetooth mouse doesnt work until I replug it.
Or and yet another bug, when I go to sleep mode and try to wake up my system and just show me black screen with cursor, so system seem to be working but I cant do anything and have to reboot it.

So again everything was fine with kde-applications-meta but I just dont need all apps from it.
Maybe something have been updated, I dont know.

I appreciate your help and thanks in advance, you are all wonderful

Last edited by brownpaperbag (2024-02-20 10:04:27)

V1del · 2024-02-17 19:02:12

Aside from the splash screen none of your issues sound kde specific and kde-applications-meta package is just the group as a package, it doesn't inherently install anything differently.

Please refrain from shopping list threads, open a new one for each distinct issue.

I'll tackle the login screen first, I'm assuming this is a simpledrm snafu, so setup nvidia-drm.modeset=1 with the kernel parameter and early load modules to be extra sure: https://wiki.archlinux.org/title/NVIDIA … de_setting

If that didn't help post your xorg log and

sudo journalctl -b

https://wiki.archlinux.org/title/List_o … n_services

brownpaperbag · 2024-02-19 18:33:43

Thanks for your answer!

So, I did as you said and it didnt do anything, but then i installed optimus-manager (yeah i have two video cards, i forgot to say) and chose to start with nvidia card everytime and it solives issue with loging screen.
So I guess sdmm used integrated graphic card.

Oh, and by the way optimus-manager solved my problem with low FPS cause I think my integrated card was used somehow even when external monitor was working cause I know for sure my intel card doesnt work with external monitor.

After reading wiki I solved most of my issues which I described above.

So right now I only have one annoying bug. After wake up from sleep I only see black screen on external monitor.
System is working and is working too hard cause fans become noisy. But I cant do anything, no keys combinations, nothing when I unplug external monitor, only pressing shutdown key helps.
Ive read about bug when sddm starts faster than NVIDIA drivers and added NVIDIA modules via mkinitcpio but it had no effect.

brownpaperbag · 2024-02-19 19:26:36

After googling for several hours I came to conclusion that the best option is to downgrade nvidia drivers to 535.
But Im new to Arch so I dont understand how to do it without breaking everything.

seth · 2024-02-19 22:36:23

Oh, and by the way optimus-manager solved my problem with low FPS cause I think my integrated card was used somehow even when external monitor was working cause I know for sure my intel card doesnt work with external monitor.

https://wiki.archlinux.org/title/PRIME
Please post your Xorg log, https://wiki.archlinux.org/title/Xorg#General

After wake up from sleep I only see black screen on external monitor.

https://wiki.archlinux.org/title/NVIDIA … er_suspend
https://download.nvidia.com/XFree86/Lin … ement.html

brownpaperbag · 2024-02-20 05:33:42

Here is Xorg log with system goes to sleep mode and tries to wake up

https://pastebin.com/7HK88i8r

Tried this https://wiki.archlinux.org/title/NVIDIA … er_suspend
and it helped!

Thank you!

seth · 2024-02-20 07:58:02

[ 16460.238] (==) ServerLayout "layout"
[ 16460.238] (**) |-->Screen "nvidia" (0)
[ 16460.238] (**) |   |-->Monitor "<default monitor>"
[ 16460.238] (**) |   |-->Device "nvidia"
[ 16460.238] (**) |   |-->GPUDevice "integrated"
[ 16460.238] (==) No monitor specified for screen "nvidia".
	Using a default monitor configuration.
[ 16460.238] (**) |-->Inactive Device "integrated"

this looks like some optimus-manager config?
You're deliberately running on the nvidia GPU?

If no, get rid of that config

grep -r integrated /{etc,usr/share}/X11/xorg.conf*

And please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.

brownpaperbag · 2024-02-20 10:03:44

Yes, Im using nvidia deliberately because only nvidia card have access to HDMI.

Also if anyone has issue like this Login KDE show overlapping login screens with multiple monitors
and you are using optimus-manager the solution to this problem

for next in $(xrandr --listmonitors | grep -E " *[0-9]+:.*" | cut -d" " -f6); do
  [ -z "$current" ] && current=$next && continue
  xrandr --output $current --auto --output $next --auto --right-of $current
  current=$next
done

you need to put here /etc/optimus-manager/xsetup-integrated.sh or here /etc/optimus-manager/xsetup-nvidia.sh o here /etc/optimus-manager/xsetup-hybrid.sh

seth · 2024-02-20 12:34:44

Using an output attached to the nvidia GPU requires it to be active, but not to run the server on it.
wrt your xrandr workaround there, please see https://wiki.archlinux.org/title/Multih … _xorg.conf

Arch Linux

#1 2024-02-17 14:49:02

[SOLVED] KDE startup screen doesnt appear on external monitor

#2 2024-02-17 19:02:12

Re: [SOLVED] KDE startup screen doesnt appear on external monitor

#3 2024-02-19 18:33:43

Re: [SOLVED] KDE startup screen doesnt appear on external monitor

#4 2024-02-19 19:26:36

Re: [SOLVED] KDE startup screen doesnt appear on external monitor

#5 2024-02-19 22:36:23

Re: [SOLVED] KDE startup screen doesnt appear on external monitor

#6 2024-02-20 05:33:42

Re: [SOLVED] KDE startup screen doesnt appear on external monitor

#7 2024-02-20 07:58:02

Re: [SOLVED] KDE startup screen doesnt appear on external monitor

#8 2024-02-20 10:03:44

Re: [SOLVED] KDE startup screen doesnt appear on external monitor

#9 2024-02-20 12:34:44

Re: [SOLVED] KDE startup screen doesnt appear on external monitor

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