Comment 8 for bug 146946

Confirmed. No crash file.
Looks like bug #84876.
gnome-control-center version 1:2.20.1-0ubuntu1.
dbus version 1.1.1-3ubuntu4.

snifer@snifer-laptop:~$ ps -ef | grep dbus
103 4901 1 0 22:34 ? 00:00:00 /usr/bin/dbus-daemon --system
root 4945 4944 0 22:34 ? 00:00:00 dbus-daemon --session --print-address --nofork
dhcp 5687 5202 0 22:35 ? 00:00:00 /sbin/dhclient -1 -lf /var/lib/dhcp3/dhclient.eth1.leases -pf /var/run/dhclient.eth1.pid -q -e dhc_dbus=31 -d eth1
snifer 5984 5935 0 23:00 pts/1 00:00:00 grep dbus
snifer@snifer-laptop:~$ gnome-settings-daemon

** (gnome-settings-daemon:5920): WARNING **: Unable to connect to dbus: Failed to connect to socket /tmp/dbus-6PYnSE6u7Z: Connection refused

(gnome-settings-daemon:5920): GnomeKbdIndicator-WARNING **: Unable to connect to dbus: Failed to connect to socket /tmp/dbus-6PYnSE6u7Z: Connection refused

(gnome-settings-daemon:5920): GnomeKbdIndicator-WARNING **: Not connected to dbus, will not register the object
xrdb: "*Label.background" on line 220 overrides entry on line 150
xrdb: "*Text.background" on line 226 overrides entry on line 191
xrdb: "*Label.foreground" on line 232 overrides entry on line 151
xrdb: "*Text.foreground" on line 238 overrides entry on line 192

** (gnome-screensaver:5927): WARNING **: failed to register with the message bus