Han He, it might be an issue in the recent kernel. See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/761176 There is a workaround which helped me: Add "options ath9k nohwcrypt=1" to ath9k.conf in /etc/modprobe.d
Han He, /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/761176
it might be an issue in the recent kernel. See https:/
There is a workaround which helped me: Add "options ath9k nohwcrypt=1" to ath9k.conf in /etc/modprobe.d