it seems to be a problem with ifplugd. since i have disabled ifplugd the error no longer occur.
even though the network interface was up, it seems to be a problem with dns(?). -- Black Screen after KDM login https://bugs.launchpad.net/bugs/468339 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
