Traceback (most recent call last):
  File "/usr/lib/ubuntuone-client/ubuntuone-syncdaemon", line 187, in <module>
    main(sys.argv)
  File "/usr/lib/ubuntuone-client/ubuntuone-syncdaemon", line 124, in main
    logger.rotate_logs()
  File "/usr/lib/pymodules/python2.7/ubuntuone-client/ubuntuone/syncdaemon/logger.py", line 288, in rotate_logs
    root_handler.doRollover()
  File "/usr/lib/python2.7/logging/handlers.py", line 349, in doRollover
    self.stream = self._open()
  File "/usr/lib/python2.7/logging/__init__.py", line 912, in _open
    stream = open(self.baseFilename, self.mode)
IOError: [Errno 28] No space left on device: '/home/username/.cache/ubuntuone/log/syncdaemon.log'