Thanks for the bug report.
Please run:
sudo apt install drm-info
sudo drm_info > drminfo.txt
lspci -k > lspci.txt
and attach the resulting text files here.
** Package changed: gdm3 (Ubuntu) => plymouth (Ubuntu)
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: plymouth (Ubuntu)
Status: New => Incomplete
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2083299
Title:
Ubuntu 24.04: Occasionally screen stays black while booting
Status in linux package in Ubuntu:
Incomplete
Status in plymouth package in Ubuntu:
Incomplete
Bug description:
Unfortunately the screen stays black before password prompt shows up.
This happens since I've migrated from 22.04 to 24.04.
Even a fresh install shows the same symptoms.
What helps is to detach the HDMI cable, attach it again and the TV
shows the password prompt for luks.
I did not try yet the removal of "splash" in the parameters. As this
was indicated by others who faced the same issue.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: gdm3 46.0-2ubuntu1
ProcVersionSignature: Ubuntu 6.8.0-45.45-generic 6.8.12
Uname: Linux 6.8.0-45-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue Oct 1 08:12:07 2024
InstallationDate: Installed on 2024-09-29 (2 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
ProcEnviron:
LANG=de_DE.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)
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