You are missing the newer linux-restricted-modules. In order to keep all packages current over upgrades, do:
sudo apt-get install linux-686 ** Changed in: linux-source-2.6.15 (Ubuntu) Status: Unconfirmed => Rejected -- update fails to rename /sbin/ipw3945d-2.6.15-23-686 to /sbin/ipw3945d-2.6.15-27-686 https://launchpad.net/bugs/69339 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs