this bug is related: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/853950
And I think this blog is spot on wrt a solution: http://nilvec.com/disable-scanning-in-networkmanager-when-connected/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/773154 Title: Atheros AR9285 extremely slow & unstable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/773154/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs