This works flawlessly on my Thinkpad R50p. The wireless card is detected and works out of the box and NetworkManager works fine. I have not tried wpasupplicant.
([EMAIL PROTECTED]) ~$ lspci | grep AR5212 02:02.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01) -- Atheros AR5212 802.11abg WLAN not supported in dapper https://launchpad.net/bugs/48507 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs