$ ls -l /dev/dri
total 0
crw-rw---- 1 root wheel 180, 0 Apr 27 22:27 card0
crw-rw---- 1 root wheel 180, 1 Apr 27 22:27 card1
crw-rw---- 1 root wheel 180, 2 Apr 27 22:27 card2
crw-rw---- 1 root wheel 180, 3 Apr 27 22:27 card3
total 0
crw-rw---- 1 root wheel 180, 0 Apr 27 22:27 card0
crw-rw---- 1 root wheel 180, 1 Apr 27 22:27 card1
crw-rw---- 1 root wheel 180, 2 Apr 27 22:27 card2
crw-rw---- 1 root wheel 180, 3 Apr 27 22:27 card3