# Kernel panics cause rootfs cant be mounted?
# Try this after having started some linux from a flashdrive
mount /dev/rootfilesystem /mnt
mount --bind /dev /mnt/dev
mount --bind /dev/pts /mnt/dev/pts
mount --bind /proc /mnt/proc
mount --bind /sys /mnt/sys
chroot /mnt

update-initramfs -u
update-grub