You have been subscribed to a public bug: This seems to be a bug with the Display Manager (GDM) that handles the login process. The problem shows up in both Ubuntu 24.04.4 LTS and Rocky Linux 8.10. Windows 11 Pro does not suffer from this. I have them all installed on the same machine and connected to two monitors.
The bug is that when the login screen appears, the login screen shows up on the secondary monitor instead of the primary one. Once logged in into the Ubuntu/Rocky Linux GNOME the settings configuration is respected. Also, since I upgraded to Ubuntu 24.04.4 LTS, my boot process is now slow: $ sudo systemd-analyze critical-chain The time when unit became active or started is printed after the "@" character. The time the unit took to start is printed after the "+" character. graphical.target @54.245s └─multi-user.target @54.245s ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: login 1:4.13+dfsg1-4ubuntu3 ProcVersionSignature: Ubuntu 6.8.0-39.39-generic 6.8.8 Uname: Linux 6.8.0-39-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.28.1-0ubuntu3 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Sat Aug 3 11:36:42 2024 InstallationDate: Installed on 2024-06-12 (52 days ago) InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424) SourcePackage: shadow UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: shadow (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug noble wayland-session -- login screen on two monitors appears on secondary display https://bugs.launchpad.net/bugs/2076007 You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to shadow in Ubuntu. -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp