I should note that this is only with aptitude's text mode gui. aptitude from the command line (aptitude update, aptitude dist-upgrade, aptitude install....) seem to work normally.
-- aptitude pegs cpu for extended period of time on startup https://launchpad.net/bugs/51893 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs