BusyBox v1.15.3 (Ubuntu 1:1.15.3-1ubuntu5) built-in shell (ash)
Enter 'help" for a list of built-in commands.

(initramfs) mount: mounting /dev/loop0 on //filesystem.squashfs failed: imput/output error
Can not mount /dev/loop0 (/cdrom/casper/filesystem.squasfs) on filesystem.squashfs"