AttributeError: 'NoneType' object has no attribute 'st_ino'

Maverick, 1.4.4.1-0ubuntu1

Syncdaemon exception:

2010-10-19 14:15:10,871 - ubuntuone.SyncDaemon.local_rescan - ERROR - in the scan: <type 'exceptions.AttributeError'> ('NoneType' object has no attribute 'st_ino')
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/ubuntuone/syncdaemon/local_rescan.py", line 333, in _scan_tree
    d.addCallbacks(self._scan_one_dir)
  File "/usr/lib/python2.6/dist-packages/twisted/internet/defer.py", line 249, in addCallbacks
    self._runCallbacks()
  File "/usr/lib/python2.6/dist-packages/twisted/internet/defer.py", line 441, in _runCallbacks
    self.result = callback(self.result, *args, **kw)
  File "/usr/lib/pymodules/python2.6/ubuntuone/syncdaemon/local_rescan.py", line 675, in _scan_one_dir
    d = defer.execute(scan)
--- <exception caught here> ---
  File "/usr/lib/python2.6/dist-packages/twisted/internet/defer.py", line 96, in execute
    result = callable(*args, **kw)
  File "/usr/lib/pymodules/python2.6/ubuntuone/syncdaemon/local_rescan.py", line 635, in scan
    share)
  File "/usr/lib/pymodules/python2.6/ubuntuone/syncdaemon/local_rescan.py", line 486, in _compare
    different = self.check_stat(fullname, statinfo)
  File "/usr/lib/pymodules/python2.6/ubuntuone/syncdaemon/local_rescan.py", line 363, in check_stat
    different = (newstat.st_ino != oldstat.st_ino or
exceptions.AttributeError: 'NoneType' object has no attribute 'st_ino'