I've found the same problem in the Feisty->Hardy upgrade. I fixed it logging as root (using 'su' and not 'sudo'!) in a terminal and then adding the line:
127.0.0.1 ubuntu
to /etc/hosts file (in my case the machine name is "ubuntu").
I've found the same problem in the Feisty->Hardy upgrade. I fixed it logging as root (using 'su' and not 'sudo'!) in a terminal and then adding the line:
127.0.0.1 ubuntu
to /etc/hosts file (in my case the machine name is "ubuntu").