I have a similiar problem in debian testing and I think it's the same: "plasma-widget-networkmanagement" does not apply the ad-hoc setting to the network settings. You can open "Manage Connections…" and change the mode of the network in question to "ad-hoc".
-- Network Manager: "New ad hoc network..." does nothing https://bugs.launchpad.net/bugs/466568 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