I have exactly the same problem, I solved it by replacing network- manager with wicd on the latest Intrepid Ibex beta.
-- hangs after resume from hibernate, breaks network manager https://bugs.launchpad.net/bugs/88327 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