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Questions tagged [gdm]

GNOME Display Manager (GDM) is a program which provides Ubuntu GNOME's graphical login screen.

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Part of VSCode window in full screen is unclickable

I have a pretty fresh installation of Ubuntu 22.04. When I maximaze a vscode window, most of it becomes unclickable. If I place another window behind vscode and click on the unclickable part the ...
Nikita Yakunin's user avatar
0 votes
0 answers
39 views

Crashing almost everytime when logging in or after suspend

Ubuntu 24.04, Asus Zenbook 13. Since I updated to 24.04, the suspend function doesn't work well, almost each time I try to log back to my system, there is few seconds of nothing and then one of the ...
greguti's user avatar
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0 answers
42 views

Display glitches and "shakes" back and forth sometimes

A few months ago now, a problem started happening where my entire display appears to "shake" off the screen center and back extremely fast, with graphical glitches appearing as well. This ...
DealTime444's user avatar
1 vote
0 answers
89 views

Most characters disappearing in GNOME after suspend

Legion 5 17ARH05H laptop with AMD Ryzen 7 4800H and NVIDIA GeForce GTX 1660 Ti Mobile Ubuntu 24.04 LTS (issue existed with 23.10, too) NVIDIA drivers 550 (issue exists with 535, too) Everything works ...
MrD's user avatar
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0 votes
1 answer
162 views

24.04 - gdm3 crash... how to report from terminal? Reporting problem?

This appears to be caused by sudo apt install fuse... Of some peculiar reason gdm3 crashed on me (on a fairly fresh install of 24.04). /var/log files didn't appear to tell anything as I glanced ...
Hannu's user avatar
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0 answers
21 views

Unable to pass the login screen ubuntu 23.10

I upgraded my pc from ubuntu 22.10 to 23.10. Everything went on well after restarting my pc, i couldn't go past the login screen. After many trials without success, i changed the display manager from ...
Lijan Ouma's user avatar
0 votes
0 answers
202 views

Wayland no longer enable-able on Ubuntu 22.04 with NVidia?

I have enabled Wayland on Ubuntu 22.04 as follows: /etc/gdm3/custom.conf I set WaylandEnable=true But when I run echo $XDG_SESSION_TYPE it shows x11 I read that Gnome disables wayland when it detects ...
user127203's user avatar
-1 votes
2 answers
77 views

Setting gdm settings through dconf has no effect

I've been trying to disable-user-list at user logon guided by various solutions: GNOME official docs RedHat Fostips and many others that were actually copy-pasted articles This seems to be an old ...
neuling's user avatar
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0 answers
25 views

Delay displaying Active directory user in GDM

After a lot of struggle, I have finally been able to make my laptop work not too bad with Active Directory/winbind authentication. Anyway, I have an annoying issue that I can't figure out. For the ...
Olivier M.'s user avatar
0 votes
0 answers
39 views

Files app and all files and folders are not showing up in 23.10 version after reboot

I've run into a problem where the Files app in Ubuntu doesn't show, and even all of my folders and files are hidden from the display screen; even searching in the search box doesn't show them. I tried ...
Dushmanta's user avatar
1 vote
0 answers
131 views

How to control which monitor gdm3 login screen appears on?

Ubuntu 22.04.4 I have five monitors connected to my computer, while facing them from left to right they are monitors 1, 2, 3, 4, and 5. I would like the gdm login to appear on monitor #2. I can't ...
dln949's user avatar
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0 answers
112 views

Yubikey inserted always asking for smart card login and no longer for password

I'm using Ubuntu 23.10. My company provided me a Yubikey for VPN access and everything works fine. However whenever I turn my pc on, the gdm screen only asks for smart card login (and no longer for ...
Dean's user avatar
  • 185
1 vote
1 answer
258 views

GDM Wayland session dies with gnome-shell error No GPUs with outputs found (NVIDIA)

GDM tries to start a Wayland session but gnome-shell dies with "No GPUs with outputs found". GDM doesn't offer a choice of Wayland sessions as a result. System has NVIDIA GPU in addition to ...
maqroll's user avatar
  • 11
1 vote
0 answers
136 views

Ubuntu 22.04 gui freezes intermittently and permanently. Restarting gdm via ssh fixes until next time it freezes

I have a Linux box, not a laptop. Running "glxinfo -B" yields the following: name of display: :0 display: :0 screen: 0 direct rendering: Yes Extended renderer info (GLX_MESA_query_renderer)...
ecorrales's user avatar
0 votes
0 answers
168 views

GDM3 issues on 23.10

I recently updated to 23.0 and then 23.10 (hoping it would fix the issue). When the OS gets to the screen which would normally be the DM login, it just gives the vague "Oh no!" Message. I've ...
lattice's user avatar
0 votes
1 answer
281 views

i3 not showing on my login screen (Ubuntu 22.04)

I newly installed Ubuntu and later i3, it was working for a while but suddenly among other things i3 stopped working, the "other things" were fixed by simply reinstalling them or installing ...
Emac342007's user avatar
1 vote
3 answers
346 views

Doesn't boot to desktop environment after updates

I have a 22.04 machine with an old-ish Nvidia GPU which worked perfectly until today, when I got a message that updates were available, and I chose to install them. Installation concluded successfully,...
OZ1SEJ's user avatar
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0 votes
1 answer
75 views

How do I login normally to my Ubuntu PC again after an account lockout?

While my Ubuntu 20.04 (Focal) PC was at the lock screen, I inadvertently left an object on the keyboard for over an hour. It repeatedly pressed who knows how many buttons. When I found it, it was ...
jpaugh's user avatar
  • 552
1 vote
1 answer
309 views

Ubuntu gdm3 login screen menu

I have gdm3 installed as my display-manager on Ubuntu Budgie and when I log in there is this small settings icon in the right corner with the options: Ubuntu Budgie Ubuntu Ubuntu with Xorg What are ...
John Carter's user avatar
1 vote
0 answers
138 views

Stuck on "username" login screen at startup

I am running Ubuntu 22.04.3 LTS with GNOME 42.9 (see full inxi -F below) and gdm3. Recently, when I try to login to the computer using an attached screen (as opposed to just ssh), the login screen ...
The Roark's user avatar
0 votes
0 answers
164 views

Strange app behavior on wayland

I am trying wayland for the first few times on ubuntu 23-10, but I am experiencing some problems with apps. For starters, if I open several windows in chrome, and some of them contain media (video) ...
Teo7's user avatar
  • 81
0 votes
1 answer
88 views

How to fix cursed machine with broken recovery mode and broken GNOME

Recovery mode shows a screen that apparently can't find dpkg/apt/any coreutil executables: here, GNOME crashes after login attempt with correct password, systemctl status gdm shows: Nov 02 16:38:19 (...
Averse ABFun's user avatar
0 votes
1 answer
27 views

Ubuntu won't boot after I installed a ssd

I just got a ssd(sda2) installed, before that I was having Ubuntu in hdd(sdb1). I just loaded Ubuntu 23.10 using a USB and it worked fine, I deleted my hdd partition and remade another partition in ...
モヒっと's user avatar
1 vote
0 answers
726 views

ubuntu 22.04 gdm3 blank screen on boot

I'm running Ubuntu 22.04.3 LTS and can't get gdm or lightdm to work correctly on boot. When it comes up the screens are blank, but the process is running (see below). nvidia-smi returns correct ...
rcedd's user avatar
  • 11
1 vote
0 answers
254 views

Inaccessible password field after screen lock, then boot error

I've just installed Ubuntu 23.10 on a new machine. When I return after a break, I find that the screen is locked and I need to enter my password. Once today and once yesterday I have found the field ...
user643722's user avatar
2 votes
0 answers
534 views

gdm-x-session syslog spam

We upgraded to Ubuntu 22.04 from 16.04 sometime ago, ever since upgrading, I noticed a peculiar issue. Our syslog is completely spammed every second or so, by gdm-x-session with the following ...
JosefLintz's user avatar
0 votes
1 answer
1k views

How can I log into an X session on 23.10?

I recently upgraded to 23.10 and seem to be stuck on Wayland. That's a problem because I'm a Nvidia graphics card owner and for the time being that means that Wayland is still pretty ropey. The ...
Oli's user avatar
  • 294k
3 votes
1 answer
2k views

gdm.service preventing boot

I'm using Ubuntu Desktop 23.10. I've tried every suggestion in this thread as well as many others online, but I cannot get back into the Ubuntu GUI/GNOME desktop environment. I'm using Ubuntu 23.10 ...
boonslang's user avatar
0 votes
1 answer
97 views

No Desktop after version upgrade

Thinks look dark! After doing a system upgrade from 22.04 to 23.04 my laptop displays a black screen, not even wallpaper. However, I can login via ssh. I've flailed about in ignorance and gdm.service ...
StevePoling's user avatar
0 votes
0 answers
25 views

libreoffice problem while install ubuntu-desktop

when I reinstall ubuntu-desktop, I have libreoffice problem: Errors were encountered while processing: libreoffice-common libreoffice-gnome libreoffice-impress python3-uno libreoffice-script-...
scoffieldisxu's user avatar
3 votes
1 answer
286 views

gdm doesn't start after failed attempt to install amdgpu drivers until modprobe amdgpu (Ubuntu 22.04)

Short version: After trying (and failing) to install the AMD radeon proprietary drivers, I uninstalled them and removed the packages it installed, but now: At boot, my graphics card is UNCLAIMED. GDM ...
Peter V. Mørch's user avatar
2 votes
1 answer
885 views

22.04 - GDM Shell crashes (occasionally) after login

How would I diagnose a GDM crash after login. I can still SSH into the machine and I've been "fixing" broken shell session with: $ sudo systemctl stop gdm $ sudo systemctl start gdm What ...
Andor Kiss's user avatar
2 votes
0 answers
123 views

How can I simulate unplugging a monitor's HDMI cable and plugging it back in?

This question is not about how to fix my system to work as it should. If you want to answer that question, see my prior question. In order to get my three monitor system to work I have to physically ...
James Bowery's user avatar
1 vote
1 answer
2k views

Ubuntu 22.04: Freeze/Login Loop caused by GDM

Writing this question as a resource for future readers. Environment: Ubuntu 22.04, Wayland Hardware: Nvidia GeForce MX550 I have an issue where my computer freezes after the login screen. After ...
Daniel Handojo's user avatar
0 votes
0 answers
182 views

Login Loop Ubuntu 22.0.4.3 LTS

Ask Ubuntu community, I would like to share my recent experience of facing a frustrating issue with Ubuntu on my computer. After a system update, I was confronted with a login loop challenge that ...
Kaio Moreira's user avatar
0 votes
1 answer
407 views

Apps unable to connect to the internet after beginning of NVIDIA driver install process

I'm fairly new to linux and like the title says I was trying to install a NVIDIA driver on Ubuntu 22.04 and during this process something went wrong and now the apps on my computer (browser, VPN,etc.) ...
ubuntuuser2204's user avatar
0 votes
0 answers
220 views

Ubuntu 23.04 freeze at login screen after fn lock

I have basically clean install of latest Ubuntu 23.04 on my Lattitude laptop (no nvidia or proprietary drivers) And after a few days, it suddenly started to freeze right at login screen. Have to go to ...
user2201056's user avatar
2 votes
1 answer
640 views

Ubuntu 20.04 Gnome VNC problem

I use tigervnc server, gnome, on ubuntu 20.04. The problem is, if I lock the screen from VNC viewer then I will never able to login again from VNC. I still can type the password, but even if I hit ...
Tivi's user avatar
  • 121
3 votes
2 answers
1k views

Upgrade from 20.04 to 22.04 fails, missing gdm-password file

I finally tried to upgrade from Ubuntu 20.04 LTS to 22.04 LTS. Unfortunately, update manager fails to complete the process. When I run the update-manager manually I get the following error message: ...
ToniKH's user avatar
  • 41
0 votes
1 answer
507 views

Ubuntu 22.04 unable to boot to desktop, stuck at command-line login screen

Ubuntu 22.04 unable to boot to desktop, stuck at command-line login screen after I ran sudo update-initramfs -u and sudo systemctl set-default multi-user.target It only shows login terminal login ...
God of Money's user avatar
-1 votes
1 answer
2k views

How to move back from tty to GUI in ubuntu version 22.04

My ubuntu version is 22.04 LTS after running sudo apt autoremove many thing from my ubuntu remove like ubuntu terminal and other applications so i press ctrl alt F12 them tty terminal opened I ...
Maaz Mustafa's user avatar
0 votes
0 answers
305 views

Inconsistant boot, hangs during, I think it's GPU related

Ubuntu 22.04.2 LTS Installed NVIDIA driver last week, haven't had problems until now. Boot hangs at different part of boot usually. ~ 1 in 6 attempts boots without issue. advanced booting into ...
nugai's user avatar
  • 1
1 vote
0 answers
335 views

Cannot log in to session after update with gdm3

I was running Regolith (an i3-based WM) with Ubuntu 22.10. I just updated my laptop to Ubuntu 23.04 using the do-release-upgrade. After booting, I could access the login session (which is GDM), but ...
Milo Moisson's user avatar
2 votes
1 answer
222 views

Updates to GNOME always cause breakage due to Smartcard settings not being available

So, this is a headache when you use Yubikeys or smartcards, but to disable Smartcard support in GUI, you have to remove it from the session environments. Unfortunately, this causes some headaches, as ...
Thomas Ward's user avatar
  • 75.4k
1 vote
1 answer
2k views

no graphical login screen after boot into Ubuntu 22.04 following driver update

I have updated my nvidia driver to nvidia-driver-525-open using the GUI (which was marked as tested). After a reboot I no longer get a graphical login screen, just a blinking cursor. Using Ctrl+Alt+F4 ...
HBnet's user avatar
  • 91
4 votes
0 answers
2k views

How to dermine why a systemd service is not stopping on shutdown? (stop job is running)

Recently every time I shut down or reboot my laptop, it is slow to shut down, and shows the following message: A stop job is running for Session c1 of User gdm I tried several similar questions that ...
user000001's user avatar
0 votes
1 answer
2k views

How to reset GDM3 configuration

I saw maybe on Reddit on r/Ubuntu or maybe on r/gnome about a Flatpak to customize the GDM/login/greeter. I installed it, took a look, and decided I was not very interested and just uninstalled it. It'...
Budius's user avatar
  • 163
1 vote
0 answers
329 views

Blank boot screen: Potential gdm3 package issue

I am running Ubuntu 20.04 on an offline machine. Recently the display port video output has stopped working and it just shows a blank screen with a flashing underscore in the top left corner. I can ...
PrematureCorn's user avatar
1 vote
2 answers
450 views

Windows lose focus and appear behind desktop icons

On one of my machines I have a problem where the active windows lose focus and appear behind the desktop icons. Cf. screenshots. After playing with Alt-tab it's possible to get out of it, but it's not ...
rosch's user avatar
  • 7,868
0 votes
0 answers
31 views

Long pause after login using display manager

I have a strange problem with Ubuntu, that I never had before: when using GDM3 (or any other display manager I've tested) and Xorg, after logging in I have to wait for 5 or more minutes, until my ...
Igor Chubin's user avatar

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