Hi Steve,

On Sat, Apr 18, 2015 at 12:02 PM, Steve Litt <slitt@???>
wrote:

> On Sat, 18 Apr 2015 00:08:54 -0400
> Jude Nelson <judecn@???> wrote:
>
>
> > The init program in example/initramfs/init goes into
> > /usr/share/initramfs-tools/init, not /sbin/init :) The initramfs's
> > init script is fundamentally different from the init program
> > in /sbin. That also explains your inability to reboot.
> >
> > Basically, when the bootloader loads the initramfs, the kernel mounts
> > it as the root device and starts /sbin/init. /sbin/init, in turn,
> > runs the script at /init (which you can see from the initramfs shell
> > with "ls /"), which is copied into the initramfs image by the
> > update-initramfs and mkinitramfs tools from the
> > file /usr/share/initramfs-tools/init.
>

I had misspoken here--as Laurent and Isaac pointed out, the kernel will
load /init as PID 1 in the initramfs. This script in turn exec's the
"real" init process from the root device (/sbin/init).

I'm sorry if I caused confusion--I will be more careful in the future to
fact-check myself.

Thanks,
-Jude