wlan/ifconfig stopped working sometime between 5/25 and 6/3

Hi,

I started getting the following error when I tried to bring up wireless connection since June 3rd.  I had last updated kernel and world on May 25th before.

"unable to get regulatory domain info: Device not configured"

ifconfig starts working again after I reverted the user land backt May 25th one; kernel don't seem to be a fact here.

I use "ifconfig wlan create wlandev ath0 ssid <id> wepmode on wepkey <key> weptxkey 1 up".
Is something changed in ifconfig?
Do I need to use different arguments?

Thanks,
Hiro