I can consistently reproduce this issue (crash with the same message) on Ubuntu 24.04 if I install xrdp, and use xfreerdp to login instead of using a local seat. While if I run it from a terminal, the output is:
administrator@pc:~$ mate-power-manager (mate-power-manager:44112): PowerManager-ERROR **: 18:07:08.140: Error in dbus - GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: Permission denied Trace/breakpoint trap (core dumped) administrator@pc:~$ loginctl SESSION UID USER SEAT TTY STATE IDLE SINCE c4 108 lightdm seat0 - active no - c5 1000 administrator - - active no - 3 sessions listed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1962575 Title: On login: mate-power-manager crashed with signal 5 in g_type_create_instance() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mate-power-manager/+bug/1962575/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs