tyler@INSPIRONE1505 ~ $ sudo mount -t ext4 -o uid=tyler,umask=007 /dev/mmcblk0p2 /home/tyler/retropie
mount: wrong fs type, bad option, bad superblock on /dev/mmcblk0p2,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so