> robot:~/linux-2.4.22-rc2-ac3# cat /dev/video0 > cat: /dev/video0: Invalid argument I didnt think bttv supported read, just mmap > Aug 20 01:29:56 robot kernel: bttv0: registered device video0 > Aug 20 01:29:56 robot kernel: bttv0: registered device vbi0 So it worked