I have a similar issue with rt2500usb and a fresh install of Karmic beta. When I start up, I have to "activate" my wifi-card via "sudo rfkill unblock 1", then it connects to my router. BUT the internet connection is almost unusable, very slow and unstable.
Everything was working fine in Jaunty ... -- Internet ping very slow on Karmic Koala https://bugs.launchpad.net/bugs/433972 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