Test plan added to bug description. ** Description changed:
[ Impact ] Switching to a second user falls back to Wayland even when Xorg was explicitly selected. [ Test Plan ] - TBC by affected users. + On an NVIDIA DGX Station (known to reliably reproduce the issue): + 1. Start with a default Ubuntu 22.04 Desktop install + 2. apt install dannf linux-modules-nvidia-525-server-generic nvidia-driver-525-server -y + 3. reboot (so new modules load) + 4. Login to a desktop session + 5. Create a new user using 'adduser' + 6. Attempt to "switch to" the new user from the existing login [ Where problems could occur ] Any part of the login procedure as that is what is being modified. [ Original Description ] I have three accounts and I need all three to run on xorg instead of wayland. For some reason, when switching accounts, two of them consistently start wayland even when I select plain gnome from the gdm menu. To get xorg, I need to log out and log in a second time. A solution that is supposed to work consists in customizing /etc/gdm3/custom.conf (see https://docs.fedoraproject.org/en-US/quick- docs/configuring-xorg-as-default-gnome-session/). This solution does not work. I have also experimented with the following options: DefaultSession=gnome-xorg.desktop and PreferredDisplayServer=xorg Neither appears to set xorg as the default... I have found the following bug reported upstream against gdm: https://gitlab.gnome.org/GNOME/gdm/-/issues/733. It looks like this was fixed a year ago but my system is still affected. Note that I am using the gnome-session package. I doubt whether it makes any difference but I am adding it for the sake of completeness. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: gdm3 42.0-1ubuntu7 ProcVersionSignature: Ubuntu 6.0.0-1010.10-oem 6.0.9 Uname: Linux 6.0.0-1010-oem x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu82.3 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: GNOME Date: Sun Feb 5 19:44:53 2023 InstallationDate: Installed on 2022-03-27 (315 days ago) InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220326) SourcePackage: gdm3 UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.gdm3.custom.conf: 2023-01-30T07:57:48.574915 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. https://bugs.launchpad.net/bugs/2006059 Title: systemd refuses to start secondary Xorg logins [org.gnome.Shell@x11.service: Skipped due to 'exec-condition'.] To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/2006059/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
