AR5212 wlan adapter

[iprebeg at freebsd.org]

I have D-LINK  DWA-520 adapter (AR5212 chipset) running on 8.0-BETA2
machine (same thing on -RC1). It appears as ath0 interface, but I can't
get scan results. 
ifconfig ath0 up scan 
reports that it can't get scan results.
When I add wpa_supplicant configuration and try to start it, it reports
errors with IOCTL. 

Do I miss something here?

Any help?
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