Thanks for your bugreport. This sounds like your /var/cache/apt/pkgcache.bin and/or pkgsrccache.bin has been corrupted. Could you please try to delte those and see if that fixes the segfault?
Cheers, Michael ** Changed in: apt (Ubuntu) Importance: Untriaged => Medium Assignee: (unassigned) => Michael Vogt -- segfaults https://launchpad.net/bugs/57393 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs