Public bug reported:
Replication steps:
1. Start up Ubuntu desktop as usual with HDMI cable connected to external
monitor in extended desktop mode.
2. Log in to Ubuntu desktop.
3. Launch a few applications (e.g. browser, terminal, etc).
4. Disconnect HDMI cable.
Expected behaviour:
Desktop session should still be available on laptop screen after
disconnecting HDMI cable.
Current behaviour:
Laptop screen goes black and shows the login screen. Logging in again
shows a fresh desktop session (no open application windows).
Other information:
This is a dual-OS machine, with home directory encryption enabled for Ubuntu.
Installed from Mantic originally, and upgraded to Noble via command line.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: ubuntu-desktop 1.539
ProcVersionSignature: Ubuntu 6.5.0-35.35-generic 6.5.13
Uname: Linux 6.5.0-35-generic x86_64
ApportVersion: 2.28.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Jun 10 21:51:29 2024
EcryptfsInUse: Yes
InstallationDate: Installed on 2024-03-14 (88 days ago)
InstallationMedia: Ubuntu Legacy 23.10 "Mantic Minotaur" - Release amd64
(20231010)
SourcePackage: ubuntu-meta
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu-meta (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble third-party-packages wayland-session
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https://bugs.launchpad.net/bugs/2068904
Title:
Screen restarts and logs out when disconnecting HDMI cable
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