I got the same problem during the upgrade, however it was resolved stopping acpid
sudo /etc/init.d/acpid stop and then dpgk was able to configure everything sudo dpkg --configure -a -- acpid upgrade failing https://launchpad.net/bugs/65635 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
