Public bug reported:
At first glance, this seems similar to this bug:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-
drivers-390/+bug/1752053/+index?comments=all
However, none of the solutions listed there work and the workaround is to use
lightdm instead of gdm3:
sudo apt install lightdm
If it doesn't ask you to set the default display manager, then do this after,
and set lightdm as the default:
sudo dpkg-reconfigure gdm3
After that, the system will boot and let you log in normally.
This problem is happening on a Clevo laptop without Optimus, with a
discrete nvidia gtx 970m device, after installing any of the modern
nvidia drivers from version 390 onward, from the official repo, from the
graphics PPA, and I presume also the official driver from the nvidia
site. It happens on both Ubuntu 18.04.1 + updates, and Ubuntu 18.10 +
updates.
I tested with nvidia driver versions 390, 396, and 415.
gdm3 works fine until you install the nvidia driver.
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1808658
Title:
gdm3 crashes after (and sometimes before) login with nvidia-driver-390
and a gtx 970m
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