this is with ramdisk configured via ipxe

I have been testing this patch, but it remains stuck in the loader: it prints everything, but I cannot hit any key, the timer is not running.

I would rephrase:

I personnally like this advice in manpage, as I think any big script should use set -e (see poudriere for example) but it clearly requires proper and explicit checks for failures.

Address the new set of comments from @des

I think I have addressed all the @des points

Address all of des@ points