ubuntu-client crashes with DBus exception

[Richard Zimmerman]

rzimmerman@hydra:~$ u1sdtool --start
Traceback (most recent call last):
  File "/usr/bin/u1sdtool", line 39, in <module>
    bus = dbus.SessionBus(mainloop=loop)
  File "/usr/lib/python2.7/dist-packages/dbus/_dbus.py", line 211, in __new__
    mainloop=mainloop)
  File "/usr/lib/python2.7/dist-packages/dbus/_dbus.py", line 100, in __new__
    bus = BusConnection.__new__(subclass, bus_type, mainloop=mainloop)
  File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 122, in __new__
    bus = cls._new_for_bus(address_or_type, mainloop=mainloop)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-QN3U2Wb4O0: Connection refused

Client Version:
Version: 4.2.0-0ubuntu1

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=13.04
DISTRIB_CODENAME=raring
DISTRIB_DESCRIPTION="Ubuntu 13.04"

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.