Ben, this is another thing hit by the acpi_bus_register change. I've got a patch here.
** Changed in: linux-source-2.6.17 (Ubuntu) Importance: Undecided => High Status: Unconfirmed => In Progress Target: None => ubuntu-6.10 -- Loose HotKey functions (Fn key) in Sony laptops https://launchpad.net/bugs/61515 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs