Questions tagged [sddm]
QML based X11 and Wayland display manager
113
questions
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12
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Amdgpu doesn't display anything till KDE Desktop is shown
I use Kubuntu and switched from a legacy Nvidia Card to an AMD GPU rx6600 and removed the nouveau drivers. I also made sure that xserver-xorg-video-amdgpu is installed and everything seems fine on the ...
0
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0
answers
40
views
NVMe very slow speeds INTEL SSDPEKNW512G8L
need some help to identify why this disk is running so slow:
sudo hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 1962 MB in 2.00 seconds = 982.96 MB/sec
Timing buffered disk reads: 90 MB in ...
- 1
0
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0
answers
37
views
Problem with SDDM Display Manager: no bar in the bottom (taskbar?) and applications menu, nor desktop loaded after a second logout/login done
I have Ubuntu-Studio 23.04, KDE plasma 5.27.4 installed and SDDM as a display manager, the autologin is set and works.
When I do a logout, by clicking on "Close session", the SDDM screen ...
0
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0
answers
46
views
SDDM Numlock Non Functional
Having an issue in kubuntu 23.04 where even if i check the 'nublock on' box for boot, it does not apply the setting. Also, to get numlock to turn on, it must be pressed two times. I have confirmed ...
- 1
0
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0
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24
views
How to have SDM offer to enter a user's name?
using UbuntuStudio 22.04...
I am using SDM as display manager. I shows icons/avatars for my main users.
One user is hidden (option "HideUsers=hidden_user"),
however I still would like this ...
- 21
0
votes
1
answer
137
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on startup login screen has default wallpaper
I am on kubuntu 22.04 and when I start up my device, login screen shows the default login background not the one I set in settings.
waking from sleep or locking screen shows correct login screen ...
- 175
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187
views
KDE Plasma, virtual keyboard on login
I see complaints online going back as far as 2009 about a large virtual keyboard that appears and covers the login prompt upon system boot.
Boot.
Login screen quickly disappears and is replaced by a ...
- 35
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0
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17
views
SDDM revoke "Num Lock" key state
When ever login screen or switch user (SDDM) interface is fired;
any lock key (Num Lock, Caps Lock, Scroll Lock) state is revoked but the led on the keyboard still give lights
How to preserve key ...
0
votes
1
answer
30
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I have trashed my system so only see a xfce dexktop session instead of kde [duplicate]
I managed to trash my Kubuntu system, by some silly apt removal and attempt to correct the mistake, so now at login all I get is a xfce session, which hangs after I enter my password.
I can switch out ...
- 435
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0
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45
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Long loading time before login screen allows me to enter login credentials
I recently installed Ubuntu and when I boot the system or try to login from suspend state the username and password fields gets kind of hang. It takes anywhere from 10 secs to 1 min before it allows ...
- 1
1
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0
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30
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Kubuntu login prompt takes long to appear after waking laptop
I honestly can't verify whether the answer to this exists already, because the issue is very difficult to google. After several hours of searching, I have decided to post here.
I have the issue that ...
- 11
0
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0
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54
views
Screen unlocking always fails: user unknown
I have kUbuntu 20.04LTS installed on a Dell Precision laptop.
After some update within the last three months, I am no longer able to unlock the greeter screen after it locks, either by a screen ...
- 1
0
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0
answers
128
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Plymouth, SDDM and TTY, all use 4K even after setting the resolution to 1440p in settings. (Everything switches to 1440p after logging in)
I have a 1440p monitor but, for some reason, it supports 4K which looks terrible given it's not a native resolution. On Windows, it correctly recognized 1440p as the "Recommended" resolution ...
- 11
2
votes
1
answer
550
views
How do I get the login SDDM to use large fonts on my hidpi display?
On Kubuntu 22.04, I've configured my desktop session to use a suitably large font with System Settings > Display and Monitor > Display Configuration > Global scale. But the SDDM remains ...
- 674
1
vote
1
answer
394
views
SDDM (seems) Broken
on Kubuntu 2204, all recent patches in-place.
KDE Plasma version: 5.24.6
KDE Framework: 5.92.0
Qt version: 5.13.3
Kernel version: 5.15.0-47-generic (64bit)
Graphics platform: x11
Relative Humidity: 63%...
- 11
0
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0
answers
203
views
Alternative greeter or display manager for Ubuntu Studio 22.04.1
I am having various problems getting Ubuntu Studio 22.04.1 LTS's greeter to behave in a useful way. My primary use case calls for domain logins, and I would like:
not to have the extra step of ...
- 336
0
votes
2
answers
894
views
Ubuntu Studio: sddm greeter missing file - how to fix and how to switch sddm-greeter design
I just upgraded from Ubuntu Studio 20.04 to 22.04.
When Ubuntu boots up the greeter screen seems very broken. No usernames appear, the background is grey and no text is displayed. Luckily I can still ...
- 922
1
vote
0
answers
94
views
SDDM freezes when trying to switch user after upgrade from focal to jammy
After kubuntu upgrade from focal to jammy when trying to switch user SDDM displays switch user screen but do not respond to keyboard or mouse, so it is impossible to switch. Before upgrade everything ...
- 11
0
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0
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364
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SDDM/X11 not detecting any newly connected monitors after boot - X11 service dead after booting without any connected monitor
I have several pcs that all have the following things in common:
A MSI motherboard and a CPU with integrated graphics device (Intel and AMD)
Kubuntu OS (ranging from 20.04 up to 22.04)
When I start ...
user1623688
0
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1
answer
3k
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sddm not starting - Failed to read display number from pipe
I have a problem that is driving me crazy and could not find a solution in the web jet, so I would appreciate if anyone can point me in the right direction.
I have a laptop MSI prestige running ...
- 1
0
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0
answers
903
views
How can I fix screen tearing and flickering issues with KDE Plasma and SDDM after switching from GNOME on Ubuntu 22.04?
I’m using a 2012 MacBook Air with an Intel i7-3667U processor and no dedicated GPU. I just reconfigured SDDM and went to use KDE, but I noticed that SDDM flickered white rapidly whenever at the login ...
- 31
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69
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0
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1
answer
242
views
sddm-greeter cpu usage, lxqt
I've got an annoying issue that I am trying to troubleshoot and could use some help!
I have 10 lxqt VM's managed via proxmox on a rather old machine. The OS needs to be very light and low on resource ...
- 1
1
vote
0
answers
1k
views
X server not starting
Today, when I turned on my PC and logged in, plasma was not starting, so I decided to hit Ctrl+Alt+F2 to change to a terminal.
Then I executed startx but it wasn't providing output. Then I tried to ...
- 11
0
votes
1
answer
119
views
Boot hangs after sddm removal
I recently installed sddm, but after trying and not liking it decided to uninstall it. However, on a restart, the system hangs before getting to a login screen. I can't access anything in the system ...
0
votes
1
answer
293
views
I need to add Numlock=on in the [General] section of sddm configuration on Ubuntu Focal, where is sddm.conf?
I need to add Numlock=on in the [General] section of the sddm configuration, but I cannot find it :
$ man sddm.conf | grep -1 sddm.conf
NAME
sddm.conf - sddm display manager configuration
--
...
- 1,941
2
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0
answers
223
views
Active Directory SSSD - Change Password on GDM login Screen
Looking to see if I can expand the capabilities of the SSSD/AD system with GDM, or SDDM.
We want users to be able to change their Active Directory password through our Ubuntu machines, if their ...
0
votes
1
answer
75
views
No display when starting an additional X session
So I have this setup at home:
+------------------+ +----------------+
| Secondary screen | | Primary screen |
| 1280x1024 75Hz | | 1920x1200 60Hz |
| (Rotated) | | |
+--+---...
- 121
0
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0
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201
views
Display manager SDDM doesn't make use of 3rd monitor
I have computer with 2 videocards and 3 monitors attached - 2 to one card and 1 to another one. I run Ubuntu Server with X and I want to use most lightweight display manager as possible. I’m trying to ...
- 846
2
votes
1
answer
1k
views
Login Screen gets stuck after entering password on Kubuntu
On Kubuntu here. When I enter my password on the login screen and press enter, all the buttons slightly fade and the screen just gets stuck with only the mouse cursor really being able to move. ...
- 51
0
votes
1
answer
255
views
Login Greeter takes 20~30 sec (after bootup apparently finished) to appear
I looked into this question among a few others (on and off SO) for a solution.
The upvoted (but not accepted) answer to that question, suggests entropy might be a problem.
I have infact from the ...
- 133
1
vote
1
answer
2k
views
unable to kill user-session with loginctl
I'm running lubuntu 20.04 with sddm as display-manager.
Whenever I logout over gui and login as a different user the user-session is not be killed (do not know if it is by-design). So loginctl shows ...
- 5,006
0
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1
answer
204
views
KDE with Ubuntu 20.04
I have installed kde on my Ubuntu installation trough sudo apt install kde-full, but I still have some question about updates, is there any issue removing Ubuntu desktop from it using sudo apt remove ...
0
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0
answers
86
views
I'm getting OEM logo after kubuntu logo on boot
I'm able to boot into the command line, but when I try to log into kde desktop I see kubuntu logo and the it goes away and the OEM logo appears and gets stuck.
I have no clue what could be the issue I ...
- 1
1
vote
2
answers
352
views
How to highlight password field by default in SDDM (Lubuntu)?
I have installed Lubuntu 21.04. The sddm login page had the password field selected by default but after the update that's not the case. I have to manually select password field before typing it. Is ...
- 33
0
votes
1
answer
1k
views
How to enable trackpad tap to click in SDDM login page?
I'm using Lubuntu 21.04. I would like to enable tap to click in the SDDM login screen. Is there a way to enable it?
- 33
2
votes
1
answer
1k
views
Unable to login !!! "Enter" key not working?
Ok hi there,I have been using Ubuntu Gnome 20.04 and I have insalled the KDE plasma environment on Ubuntu from help of the reference taken from You tube.Now after it had installed and restarts I get ...
- 103
0
votes
1
answer
2k
views
Use Wayland session with Lubuntu 21.04 on Raspberry Pi 4B
I'm on a quest to find the best possible configuration for our Raspberry Pi 4B used almost exclusively to watch internet video streams. So far, I've tried getting the most out of Raspbian/Raspberry Pi ...
- 103
0
votes
1
answer
930
views
Kubuntu 20.04 keeps perform black screen with NVIDIA
I have been trying Ubuntu 20.04 for two weeks. It worked well with NVIDIA graphic card.
Then I tried to install Plasma Desktop. If I choose "gdm3" on installation, everything goes well. ...
- 163
0
votes
0
answers
136
views
Custom install with ZFS Root for Neon (newer Plasma w/20.04 base), SDDM not starting up
So following these instructions to install Ubuntu 20.04 onto ZFS Root, I got KDE Neon installed (neon-desktop virtual package). Everything seems good, except when I boot up there's no GUI login. I ...
- 101
0
votes
1
answer
2k
views
LUbuntu 20.04 and tmporary user like guest?
How can I enable a restricted user where everything is reset after logout? Note: User is used for web-browsing so security is definitely a topic for me. In case user accesses maicious sites everything ...
- 479
0
votes
0
answers
273
views
Kubuntu 20.04 lost sddm display
I've avoided posting this question for a month while I tried to find out on my own what had gone wrong, but now there is no other recourse.
After running Kubuntu 20.04 for about a year on a desktop (...
- 101
1
vote
1
answer
144
views
Bash script not running when I boot my laptop
I am new to Linux and I've set it up just how I want it. However, when I am using my laptop at home, login screen appears on both laptop and external screen. I want it to appear just on my external ...
- 21
1
vote
1
answer
1k
views
Lubuntu 20_04 GUI does not start, only terminal
Lubuntu 20 04 boots either in a "text mode" and says [ok] for
Finished hold until boot process finishes up
Started OpenBSD Secure Shell Server
Finished Terminate Plymouth Boot Screen
Or it ...
- 229
2
votes
1
answer
4k
views
Can not login to SDDM using fingerprint on Kubuntu 20.10
Recently I've bought Lenovo ThinkPad X1 Carbon Gen8. Everything seems fine except one thing - I can't fully configure fingerprint reader.
I've followed guide https://askubuntu.com/a/1082465/249099 and ...
1
vote
1
answer
709
views
Remembering Screen Brightness at Display Manager/Startup
With using linux on and off on different PC's through the years, one issue I have not been able to solve is the brightness setting during boot sitting at the Display Manager.
I am running KDE version ...
- 31
7
votes
3
answers
2k
views
No more 'switch user' from sddm
I've searched extensively and there are many mentions of this problem but it seems only a few disparate users have had it over the last few months. But the 3 Kubuntu systems I upgraded to 20.10 all ...
- 870
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0
answers
1k
views
KDE Plasma login service failed - login loop in SDDM
When I log in to my laptop with Kubuntu 20.10, I enter the password and wait for the desktop window to load but it does not show and it returns me to the initial login window. I ran the test several ...
- 101
0
votes
1
answer
105
views
System will not boot after sudo update and upgrade on 20.04 kubuntu
I am using kubuntu and used ubuntu studio add-on to get low latency kernel. After doing a sudo update and upgrade, the system stopped booting to the login screen.
I am able to switch to tty2 and login ...
- 1
3
votes
1
answer
1k
views
What is the difference between GNOME desktop and Ubuntu in SDDM?
I installed Kubuntu on my machine, and then decided to try the regular GNOME desktop.
Thus I installed ubuntu-gnome-desktop and logged in from the welcome screen running SDDM.
This has been a ...
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