I had the same problem with a Thinkpad X30. By blacklisting I got it working again:
blacklist prism2 blacklist prism2_pci blacklist hostap_pci blacklist hostap Hopefully this get fixed by default in Feisty. -- Orinoco_pci affected by re-enabled prism2 drivers https://launchpad.net/bugs/63989 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs