It appears the main error here is:
(EE) NVIDIA(GPU-0): Failed to acquire modesetting permission.
which may related to bug 1795637, but probably not. It sounds like a
similar problem but in this case the bug would be in gdm3 instead of
plymouth.
As a workaround you might want to try disabling KMS and let the Nvidia
driver operate natively. To do this,
1. Edit /etc/default/grub and add "nomodeset":
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset"
2. sudo update-grub
3. Reboot
That does roughly the same thing as the recovery mode workaround.
** Package changed: gnome-shell (Ubuntu) => xorg-server (Ubuntu)
** Also affects: nvidia-graphics-drivers-390 (Ubuntu)
Importance: Undecided
Status: New
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to nvidia-graphics-drivers-390 in Ubuntu.
https://bugs.launchpad.net/bugs/1797198
Title:
[nvidia] After login the screen goes black
Status in gdm3 package in Ubuntu:
New
Status in nvidia-graphics-drivers-390 package in Ubuntu:
New
Status in xorg-server package in Ubuntu:
New
Bug description:
When I boot Cosmic, grub is working OK and login screen is presented OK, but
after login the screen goes black.
When I boot in Recovery Mode" and "Resume" all is working OK and Nvidia
driver 390 is used.
These bugs my be related
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1770238
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1748656
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1543192
See attachment for syslog info.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: gdm3 3.30.1-1ubuntu1
ProcVersionSignature: Ubuntu 4.18.0-8.9-generic 4.18.7
Uname: Linux 4.18.0-8-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.10-0ubuntu11
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 10 20:12:32 2018
InstallationDate: Installed on 2018-10-10 (0 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Beta amd64 (20181010.1)
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)
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