total 0
crw-rw---- 1 root video 226,   0 Mar 13 19:36 card0
crw-rw---- 1 root video 226,   1 Mar 13 19:36 card1
crw-rw---- 1 root   107 226, 128 Mar 13 19:36 renderD128
crw-rw---- 1 root   107 226, 129 Mar 13 19:36 renderD129