I have a similar problem on 8.04. It doesn't lock up but rdesktop freezes and the VPN connection drops.
** Changed in: rdesktop (Ubuntu) Status: Incomplete => Confirmed -- Rdesktop cousing system freeze when using Cisco VPN client https://bugs.launchpad.net/bugs/218308 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