Clemens Ladisch wrote: >> configure: error: Unknown soundcard usb-usx2y > > Is this a 64-bit machine? Yes it is, and Gentoo is the distro FWIW. I didn't think 64-bit'ness would have anything to do with this kind of issue otherwise I'd have mentioned it. What's the connection between a 64-bit machine and an ALSA driver that does not seem to be visible to the configure script (via emerge alsa-driver) ? --markc