I had the same bug. It was solved by deactivating (deleting) the map module (google found a similar problem [1]). Please check if it related to that module.
[1] http://gallery.menalto.com/node/49077 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
