I've Bus 002 Device 007: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n with 3.2.0-4-amd64 #1 SMP Debian 3.2.57-3+deb7u1 x86_64 GNU/Linux and I've same problem (connect it directly to usb and using hub to) same device works on 32bit Best R. Max