$ sudo aptitude -f install
Reading package lists... Error!
E: Dynamic MMap ran out of room
E: Error occurred while processing kword (NewVersion1)
E: Problem with MergeList /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_feisty-updates_main_binary-i386_Packages
E: The package lists or status file could not be parsed or opened.
Reading package lists... Error!
E: Dynamic MMap ran out of room
E: Error occurred while processing kword (NewVersion1)
E: Problem with MergeList /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_feisty-updates_main_binary-i386_Packages
E: The package lists or status file could not be parsed or opened.