Bug#1076728: elogind: privileged operation with polkit fails

[Andrew Bower]

On Mon, Dec 16, 2024 at 05:41:57PM +0000, Mark Hindley wrote:
[...]
> All lightdm and xfce hibernate/restart/shutdown options are available and functional.
      ^^^^^^^

This made me check: the lightdm controls are also unavailable so that
perhaps limits the scope of the problem.

My lightdm processes:

$ ps auwwx | grep lightdm
root      2417  0.0  0.0 307080  6232 ?        SLl  14:37   0:00 /usr/sbin/lightdm
root      2642  1.2  0.7 2746208 231252 tty7   Ssl+ 14:37   7:12 /usr/lib/xorg/Xorg :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
lightdm   2870  0.0  0.0   6684  2136 ?        S    14:37   0:00 dbus-launch --autolaunch=9fdab11bf0014964a9e094087197ff45 --binary-syntax --close-stderr
lightdm   2879  0.0  0.0   7940  2332 ?        Ss   14:37   0:00 /usr/bin/dbus-daemon --syslog-only --fork --print-pid 5 --print-address 7 --session
lightdm   2884  0.0  0.0 230580  5452 ?        Sl   14:37   0:00 /usr/libexec/dconf-service
lightdm   2966  0.0  0.0 380884  7120 ?        Sl   14:37   0:00 /usr/libexec/at-spi-bus-launcher
lightdm   2972  0.0  0.0   7916  4420 ?        S    14:37   0:00 /usr/bin/dbus-daemon --config-file=/usr/share/defaults/at-spi2/accessibility.conf --nofork --print-address 11 --address=unix:path=/run/user/108/at-spi/bus_0
root      3013  0.0  0.0 244608 12620 ?        Sl   14:37   0:00 lightdm --session-child 13 20
lightdm   3015  0.0  0.0 234116  7436 ?        Sl   14:37   0:00 /usr/libexec/at-spi2-registryd --use-gnome-session