oblogout

oblogout
Traceback (most recent call last):
  File "/usr/bin/oblogout", line 97, in <module>
    sys.exit(main())
  File "/usr/bin/oblogout", line 92, in main
    app = OpenboxLogout(config, local_mode)
  File "/usr/lib/python2.7/dist-packages/oblogout/__init__.py", line 82, in __init__
    self.load_config(config)
  File "/usr/lib/python2.7/dist-packages/oblogout/__init__.py", line 264, in load_config
    if not self.dbus.check_ability(button):
  File "/usr/lib/python2.7/dist-packages/oblogout/dbushandler.py", line 127, in check_ability
    return self._halpm.CanSuspend
  File "/usr/lib/python2.7/dist-packages/oblogout/dbushandler.py", line 58, in _halpm
    hal = self._sysbus.get_object ("org.freedesktop.Hal", "/org/freedesktop/Hal/devices/computer")
  File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 244, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 246, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 183, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 281, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Hal was not provided by any .service files

uname -a
Linux vincent-Satellite-U400 3.0.0-14-generic #23-Ubuntu SMP Mon Nov 21 20:28:43 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux