View Full Version : Nasty login loop in Ubuntu 19.04
tevang2
May 19th, 2019, 12:28 AM
I had that nasty login loop after installing some updates on Ubuntu 19.04 and couldn't solve it by changing permissions of my .Xauthority or /tmp. So I reinstalled 19.04 using a flash disk, did apt uptgrade and installed the right nvidia drivers, but still encounter the same problem. Please some one troubleshoot me! I am writing from my mobile...
dino99
May 19th, 2019, 09:28 AM
Googling around 'ubuntu nvidia login loop' will list some threads, like that one:
https://askubuntu.com/questions/762831/ubuntu-16-stuck-in-login-loop-after-installing-nvidia-364-drivers
tevang2
May 19th, 2019, 10:30 AM
Googling around 'ubuntu nvidia login loop' will list some threads, like that one:
https://askubuntu.com/questions/762831/ubuntu-16-stuck-in-login-loop-after-installing-nvidia-364-drivers
What makes you think I haven't googled?? Btw, the solution with lightdm is obsolete and very dangerous in Ubuntu 19.04! It has been replaced by gdm3. I tried it yesterday and broke down the system, I wasn't even able to switch to text mode with ctrl+alt+F2!!
Anyway, after the fresh install I selected at the login prompt to login to "Ubuntu on Wayland" instead of the default option "Ubuntu" and that worked!
hgkrug1
May 23rd, 2019, 06:58 AM
There are many reports of this happening when you try to install nvidia drivers. Also when you just do "sudo ubuntu-drivers autoinstall"
I have not found a sloution yet, but I have found 2 solutions to restore the Ubuntu Desktop environment (see #17 at https://ubuntuforums.org/showthread.php?t=2411777&page=2):
First by Fossfreedom at - https://discourse.ubuntubudgie.org/t...k-screen/97/14 (https://discourse.ubuntubudgie.org/t/nvidia-390-black-screen/97/14)
You have to do a safe boot and go to root, then:
sudo apt-get remove nvidia-*
sudo apt install nvidia-prime
sudo prime-select intel
Then reboot.
Second form sgian entry #3 at https://ubuntuforums.org/showthread.php?t=2399985
Also do a safe boot and go to root. Then:
sudo apt purge nvidia*
sudo apt install --reinstall xorg xserver-xorg-core
Tnen reboot.
hgkrug1
May 23rd, 2019, 12:41 PM
I finally found a solution for this Nvidia driver issue (on ubuntu 18 and 19). See instructions at the top at https://ubuntuforums.org/showthread....nvidia+drivers (https://ubuntuforums.org/showthread.php?t=2419319&highlight=nvidia+drivers), it worked for me!
Unfortunately, I could not reproduce the installation on a freshly installed system.
However, I found a suitable fix at entry #19 of https://bugs.launchpad.net/gdm/+bug/1798790
Try this as a workaround: edit /etc/gdm3/custom.conf
and uncomment the line:
#WaylandEnable=false
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