2013-09-20 16:50:19,559 [salt.master                                 ][ERROR   ] Error in function _mine:
Traceback (most recent call last):
  File "/www/adm/salt/lib/python2.6/site-packages/salt/master.py", line 1345, in run_func
    ret = getattr(self, func)(load)
  File "/www/adm/salt/lib/python2.6/site-packages/salt/master.py", line 897, in _mine
    new = self.serial.load(fp_)
  File "/www/adm/salt/lib/python2.6/site-packages/salt/payload.py", line 101, in load
    return self.loads(data)
  File "/www/adm/salt/lib/python2.6/site-packages/salt/payload.py", line 88, in loads
    return msgpack.loads(msg, use_list=True)
  File "_unpacker.pyx", line 119, in msgpack._unpacker.unpackb (msgpack/_unpacker.cpp:119)
UnpackValueError