Hi Brendan, On Mon, Mar 25, 2013, Brendan West wrote: ./test-heartrate -i hci1 -b FC:4E:09:DC:68:44 > Traceback (most recent call last): > File "./test-heartrate", line 62, in <module> > managed_objects = bluezutils.get_managed_objects() > File "/home/user/Downloads/bluez-5.2/test/bluezutils.py", line 11, in > get_managed_objects > return manager.GetManagedObjects() > File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 70, in __call__ > return self._proxy_method(*args, **keywords) > File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__ > **keywords) > File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, > in call_blocking > message, timeout) > dbus.exceptions.DBusException: > org.freedesktop.DBus.Error.UnknownMethod: Method "GetManagedObjects" > with signature "" on interface "org.freedesktop.DBus.ObjectManager" > doesn't exist This sounds like you still have an old (4.x) bluetoothd running. You'll need to stop it and start the one you compiled from the 5.x tree. Also be sure to install a new D-Bus policy (src/bluetooth.conf to /etc/dbus-1.system.d/) since a lot of interface names have changed since 4.x. Johan -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html