The problem seems to exist in karmic even with wicd installed as network-manager's replacement. I am using an atheros card which also had disconnection (roaming) problems in jaunty. However, installing wicd seemed to overcome those issues but not in karmic.
-- Network-manager silently disconnects frequently https://bugs.launchpad.net/bugs/427102 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