Comment 18 for bug 163113

I can confirm that following workaround for prevent JeOS into busybox is working for me:
https://bugs.launchpad.net/ubuntu-jeos/+bug/163113/comments/10

1) Press ESC to enter Grub
2) Press "e" to edit the boot options
3) remove "quiet splash"
4) Add: "break=mount"
5) push Enter, push 'b' to boot
6) after a bit you need to type the following:
modprobe ide-generic
exit

I tried to add ide-generic to /etc/modules, resulting in a corrupt image: it does not boot anymore, even not in busybox.