Doing sudo apt-get remove network-manager --purge && auso apt-get install network-manager fixed the problem for me.
-- [GUTSY] NetworkManager eating 100% CPU time https://bugs.launchpad.net/bugs/154762 You received this bug notification because you are a member of Kubuntu Team, which is a bug contact for knetworkmanager in ubuntu. -- kubuntu-bugs mailing list [EMAIL PROTECTED] https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs