Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/desktopcouch/application/service.py", line 127, in if_all_semaphores_cleared
    func(*args, **kwargs)
  File "/usr/lib/pymodules/python2.7/desktopcouch/application/platform/linux/ipc.py", line 32, in __init__
    self.conn = dbus.SessionBus()
  File "/usr/lib/pymodules/python2.7/dbus/_dbus.py", line 219, in __new__
    mainloop=mainloop)
  File "/usr/lib/pymodules/python2.7/dbus/_dbus.py", line 108, in __new__
    bus = BusConnection.__new__(subclass, bus_type, mainloop=mainloop)
  File "/usr/lib/pymodules/python2.7/dbus/bus.py", line 125, in __new__
    bus = cls._new_for_bus(address_or_type, mainloop=mainloop)
DBusException: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-CMpQ7bVl21: Connection refused