> you will need to load the driver with nohwcrypt=1 module parameter. Thank you for your information. But I can't connect with WPA2-PSK (without 802.11w) still. Is there any other advice ? I posted some details to here. https://lists.ath9k.org/pipermail/ath9k-devel/2009-April/001467.html Regards, Masashi Honma.