this currently happens on www.virtualbox.org every time you try to open the site or any subsites of that site

[sw@…]

Traceback (most recent call last):
  File "/var/lib/python-support/python2.4/trac/web/main.py", line 387, in dispatch_request
    dispatcher.dispatch(req)
  File "/var/lib/python-support/python2.4/trac/web/main.py", line 191, in dispatch
    chosen_handler = self._pre_process_request(req, chosen_handler)
  File "/var/lib/python-support/python2.4/trac/web/main.py", line 263, in _pre_process_request
    chosen_handler = f.pre_process_request(req, chosen_handler)
  File "/var/lib/python-support/python2.4/trac/versioncontrol/api.py", line 73, in pre_process_request
    self.get_repository(req.authname) # triggers a sync if applicable
  File "/var/lib/python-support/python2.4/trac/versioncontrol/api.py", line 101, in get_repository
    repos = self._connector.get_repository(rtype, rdir, authname)
  File "/var/lib/python-support/python2.4/trac/versioncontrol/svn_fs.py", line 260, in get_repository
    crepos = CachedRepository(self.env.get_db_cnx(), repos, None, self.log)
  File "/var/lib/python-support/python2.4/trac/versioncontrol/cache.py", line 39, in __init__
    self.sync()
  File "/var/lib/python-support/python2.4/trac/versioncontrol/cache.py", line 171, in sync
    (str(next_youngest),
  File "/var/lib/python-support/python2.4/trac/db/util.py", line 50, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/var/lib/python-support/python2.4/trac/db/sqlite_backend.py", line 56, in execute
    args or [])
  File "/var/lib/python-support/python2.4/trac/db/sqlite_backend.py", line 48, in _rollback_on_error
    return function(self, *args, **kwargs)
DatabaseError: database disk image is malformed

[Emmanuel Blot]

Submitted three times: #5960,#5961,#5962