On 8/26/2014 5:03 PM, Jason Pyeron wrote: > What am I doing wrong here? A) you don't create anything in /dev, the driver should be using devfs to create its own devnodes on the fly as needed. B) you apparently never loaded the driver. see http://www.atcomputing.nl/Tools/cowloop/loadunload.html -- john r pierce 37N 122W somewhere on the middle of the left coast