Installing linux-backports-modules-jaunty package seems to have fixed these issues. I'm still seeing the occasional "unsupported jumbo" error, but at least the card seems to be running at full speed now. Thanks! I'll let you know if anything changes.
-- ath5k broken after jaunty beta upgrade https://bugs.launchpad.net/bugs/350004 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