Hello.

You could try to loop mount the root fs and check if there is an init there. You could also boot it with bash as init (init=/bin/bash) and check things.

Regards,
Steliosm

On Aug 6, 2013 9:30 PM, "Han" <keepsimple@gmail.com> wrote:
Hi,

I've built a root filesystem based off Debian Squeeze because I wanted to include all built (e.g. gcc) tools in.  However,  i was not able to boot the UML with this rootfs due to this error:

<snip>
Kernel panic - not syncing: No init found.  Try passing init= option to kernel.
</snip>

here is how I ran the UML:

./linux ubda=/nobackup/hxu2/uml/debian-root-fs mem=128M 

I also tried to add "init=/sbin/init" or "init=3" at the end, but got the same error. 

I believe I missed something when building the rootfs for the Init option. But what is it?  How should I set the init option in the rootfs?  please advise.  

thanks
Han



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