Please file a new bug report, under the application which is causing the lockup. In a bug like this, also include /etc/network/interfaces, steps to reproduce, which program is actually freezing, /etc/hosts and /etc/hostname.
** Changed in: Ubuntu Status: Unconfirmed => Rejected -- system locks configuring wireless https://launchpad.net/bugs/52559 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs