This happened to me on upgrading from 7.10 to 8.04 on an AMD64 box. I had edited /etc/hosts by hand on this machine, perhaps it has something to do with that?
-- Missing hostname in /etc/hosts causes sudo to fail https://bugs.launchpad.net/bugs/19775 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
