Hi James, > If I kldload if_ath: > > ath0: <Atheros 5212> mem 0xd0200000-0xd020ffff irq 21 at device 2.0 on pci2 > ath0: mac 5.9 phy 4.3 5ghz radio 3.6 > ath0: unable to collect channel list from hal according to the man page this error should not happen. Did you load the wlan and ath_hal devices as well? -volker