Comment 3 for bug 664414

I can confirm that the solution provided by Pedro Bento works on ThinkPad T61 Ubuntu 10.10 x86_64

iwconfig
wlan0 IEEE 802.11abgn ESSID:"penguins"
          Mode:Managed Frequency:2.417 GHz Access Point: 00:27:69:A1:A4:22
          Bit Rate=117 Mb/s Tx-Power=15 dBm
          Retry long limit:7 RTS thr:off Fragment thr:off
          Power Management:off
          Link Quality=70/70 Signal level=-26 dBm
          Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
          Tx excessive retries:0 Invalid misc:0 Missed beacon:0