Solved 12.2 -> 13.1 Upgrade: Xfce4 Power Manager Settings Segfaults and Sleeps

Hi All,
After the 12.2 -> 13.1 upgrade, my Thinkpad X1 laptop began to sleep after some minutes of inactivity in X. Normally it wakes up, but there's about 20% chance that it won't, requiring hard reboot. When trying to launch Xfce4 power manager I get this:

Code:
% xfce4-power-manager-settings
Xlib:  extension "GLX" missing on display ":0.0".

(xfce4-power-manager-settings:1889): Gtk-WARNING **: 16:35:24.300: Content added to the action area of a dialog using header bars

(xfce4-power-manager-settings:1889): Gtk-WARNING **: 16:35:24.302: Content added to the action area of a dialog using header bars

(xfce4-power-manager-settings:1889): libupower-glib-WARNING **: 16:35:24.396: Couldn't connect to proxy: Could not connect: No such file or directory

(xfce4-power-manager-settings:1889): GLib-GObject-WARNING **: 16:35:24.396: invalid (NULL) pointer instance

(xfce4-power-manager-settings:1889): GLib-GObject-CRITICAL **: 16:35:24.396: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

(xfce4-power-manager-settings:1889): GLib-GObject-WARNING **: 16:35:24.396: invalid (NULL) pointer instance

(xfce4-power-manager-settings:1889): GLib-GObject-CRITICAL **: 16:35:24.396: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

(xfce4-power-manager-settings:1889): libupower-glib-CRITICAL **: 16:35:24.396: up_client_get_devices_full: assertion 'UP_IS_CLIENT (client)' failed
zsh: segmentation fault  xfce4-power-manager-settings

Was never an issue before the upgrade. Would appreciate any pointers where to dig. Many thanks!

EDIT: Solved by enabling dbus/hald back.
 
Don't ask me. Did a truss on the xfce4-power-manager-settings, saw dbus-related stuff just before the segfault. Enabled it back, it started working again. It worked with disabled dbus/hald on 12.1, I have no idea what changed, alas.
 
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