On Mon, Aug 10, 2026 at 08:55:39AM +0200, Yves-Alexis Perez wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > control: tag -1 unreproducible moreinfo > > On Mon, 2026-08-10 at 02:42 +0200, Agustin Martin wrote: > > Dear Maintainer, > > > > After upgrade to 1.33.0-1 system no longer allows opening sessions for other > > users, > > > > $ dm-tool switch-to-greeter > > Unable to switch to greeter: GDBus.Error:org.freedesktop.DBus.Error.Failed: > > Failed to switch to greeter > > > > Downgrading to previous 1.32.0-7+b1 makes this problem disappear. > > Hey, it seems to work fine here. Out of curiosity, which DM are you running > and are you running Wayland by any chance?
Hi Yves-Alexis, thanks for the very quick reply, $ cat /etc/X11/default-display-manager /usr/sbin/lightdm $ readlink /etc/alternatives/x-session-manager /etc/alternatives/x-terminal-emulator /etc/alternatives/x-window-manager /etc/alternatives/lightdm-greeter /usr/bin/startxfce4 /usr/bin/xfce4-terminal.wrapper /usr/bin/mutter /usr/share/xgreeters/lightdm-gtk-greeter.desktop I do not remember to have enabled Wayland explicitly, but it is installed, $ dpkg -l '*wayland*' +-- Desired=Unknown/Install/Remove/Purge/Hold |+- Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend ||+ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||| Name Version Architecture Description +++-========================================-==============-============-======================================================== un gir1.2-gdkwayland-4.0 <none> <none> (no description available) un gir1.2-gstglwayland-1.0 <none> <none> (no description available) un kwayland-data <none> <none> (no description available) ii kwayland-integration:amd64 6.5.4-2+b1 amd64 kwayland runtime integration plugins for Qt5/KF5 ii kwayland5-data 4:5.116.0-1 all Qt library wrapper for Wayland libraries - data files ii libkf5waylandclient5:amd64 4:5.116.0-1+b3 amd64 Qt library wrapper for Wayland libraries ii libqt5waylandclient5:amd64 5.15.19-2 amd64 QtWayland client library ii libqt5waylandcompositor5:amd64 5.15.19-2 amd64 QtWayland compositor library ii libqt6waylandclient6:amd64 6.10.2+dfsg-16 amd64 Qt 6 Wayland client module ii libqt6waylandcompositor6:amd64 6.10.2-5 amd64 Qt 6 Wayland Compositor library un libqt6waylandeglclienthwintegration6 <none> <none> (no description available) un libqt6waylandeglcompositorhwintegration6 <none> <none> (no description available) ii libva-wayland2:amd64 2.24.1-2 amd64 Video Acceleration (VA) API for Linux -- Wayland runtime ii libwayland-client0:amd64 1.26.0-1 amd64 wayland compositor infrastructure - client library ii libwayland-cursor0:amd64 1.26.0-1 amd64 wayland compositor infrastructure - cursor library ii libwayland-egl1:amd64 1.26.0-1 amd64 wayland compositor infrastructure - EGL library ii libwayland-server0:amd64 1.26.0-1 amd64 wayland compositor infrastructure - server library ii qt6-wayland:amd64 6.10.2-5 amd64 Qt 6 Wayland platform plugin un qt6-waylandcompositor-private-abi <none> <none> (no description available) un qtwayland-client-abi-5-15-19 <none> <none> (no description available) un qtwayland-compositor-abi-5-15-19 <none> <none> (no description available) ii qtwayland5:amd64 5.15.19-2 amd64 QtWayland platform plugin ii xwayland 2:24.1.13-1 amd64 X server for running X clients under Wayland Hope this helps, Regards, -- Agustin
