The main error seems to be:
Jul 22 10:13:29 leo-home /usr/libexec/gdm-x-session[1713]: Fatal server error:
Jul 22 10:13:29 leo-home /usr/libexec/gdm-x-session[1713]: (EE) Cannot run in
framebuffer mode. Please specify busIDs for all framebuffer devices
So I suspect there's an installation problem with the Nvidia driver.
Please try using the 'Additional Drivers' app to reinstall it.
** Summary changed:
- UI does not work with Linux version 5.15.0-41
+ [nvidia] Xorg cannot start with kernel 5.15.0-41
** Also affects: nvidia-graphics-drivers-515 (Ubuntu)
Importance: Undecided
Status: New
** Tags added: regression-update
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https://bugs.launchpad.net/bugs/1982477
Title:
[nvidia] Xorg cannot start with kernel 5.15.0-41
Status in linux package in Ubuntu:
Confirmed
Status in nvidia-graphics-drivers-515 package in Ubuntu:
New
Bug description:
After upgrading my Linux kernel to version 5.15.0-41, I am no longer
able to get into the UI. After booting and unlocking the disk I end up
on a black screen with a blinking underscore in the top left corner.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gdm3 42.0-1ubuntu7
ProcVersionSignature: Ubuntu 5.15.0-41.44-generic 5.15.39
Uname: Linux 5.15.0-41-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: pass
Date: Thu Jul 21 12:14:04 2022
InstallationDate: Installed on 2021-12-03 (229 days ago)
InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012)
ProcEnviron:
TERM=linux
SHELL=/usr/bin/zsh
PATH=(custom, user)
LANG=en_US.UTF-8
XDG_RUNTIME_DIR=<set>
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.gdm3.custom.conf: 2022-07-21T11:41:09.164904
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