Looks like this is fixed in the git master branch of bash-completion. Replacing the /etc/bash_completion file with the latest version from the git repository fixed the problem for me:
http://git.debian.org/?p=bash-completion/bash- completion.git;a=blob_plain;f=bash_completion -- bash completion stopped working after upgrade to 4.0-4ubuntu1 https://bugs.launchpad.net/bugs/418855 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
