Traceback (most recent call last):
  File "/usr/sbin/update-apt-xapian-index", line 102, in <module>
    indexer.incrementalUpdate()
  File "/usr/lib/pymodules/python2.7/axi/indexer.py", line 646, in incrementalUpdate
    self.updateIndex(dbpath)
  File "/usr/lib/pymodules/python2.7/axi/indexer.py", line 602, in updateIndex
    db = xapian.WritableDatabase(pathname, xapian.DB_CREATE_OR_OPEN)
  File "/usr/lib/python2.7/dist-packages/xapian/__init__.py", line 4059, in __init__
    _xapian.WritableDatabase_swiginit(self,_xapian.new_WritableDatabase(*args))
DatabaseError: Can't commit new revision - failed to flush DB to disk