seems to be a problem with mixed WPA/WPA2 mode on the ath9k driver, the following work-around solves the problem:
sudo rmmod -f ath5k sudo modprobe ath5k nohwcrypt=1 see also http://ubuntuforums.org/showthread.php?t=1682388 ** Summary changed: - wlan card (AR928X) slow since upgrade to natty + wlan (AR928X, ath9k) slow since upgrade to natty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/761176 Title: wlan (AR928X, ath9k) slow since upgrade to natty -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
