Here's one from the file of random stuff you see when you put a new machine on the upstream kernel instead of the distro kernel. USB drivers for Linux will be GPL-only with the release of the upcoming kernel 2.6.25.. USB maintainer Greg Kroah-Hartman writes: "Over two years ago, the Linux USB developers stated that they believed there was no way to create a USB kernel driver that was not under the GPL. This patch moves the USB apis to enforce that decision."