id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc	distribution	status_field
3037	Distance fails to start measuring	greenfeld	RafaelOrtiz	"Distance-23 fails to start measuring on OLPC 11.3.0 os2. (Version number was wrong initially.)

Both the starting computer and the one joining the shared session log the following exception:

Traceback (most recent call last):
  File ""/home/olpc/Activities/Distance.activity/activity.py"", line 291, in _helper_thread
    dt = arange.measure_dt_seq(self.main_socket, self.initiating, self._change_message)
  File ""/home/olpc/Activities/Distance.activity/arange.py"", line 418, in measure_dt_seq
    mls = compute_mls(R)
  File ""/home/olpc/Activities/Distance.activity/arange.py"", line 84, in compute_mls
    return LFSR(Rf, [i - 1 for i in taps[n]], 2**n - 1)
NameError: global name 'Rf' is not defined
"	defect	closed	Unspecified by Maintainer	Unspecified by Release Team	Distance	0.92.x	Major	fixed	11.3.0		OLPC	Unconfirmed