Re: [bug #30143] loopback loop /xxx.iso and set root=(loop) causes the machine to reboot

[Goh Lip]

On 06/16/2010 01:31 AM, Leo Bergolth wrote:

> I am trying to boot from an iso that resides on a USB drive (FAT32
> formatted), using the following config:
>
> ----------------------------------------
> menuentry 'GRML' {
>    iso_path=/iso/grml_2010.04.iso
>    export iso_path
>    loopback loop $iso_path
>    set root=(loop)
>    configfile /boot/grub/grub.cfg
> }
> ----------------------------------------
>
> Selecting the entry causes the machine to reboot.
>
> When I enter the commands on the grub commandline, it reboots at
> "set root=(loop)".
>
> Using "configfile (loop)/boot/grub/grub.cfg" correctly shows the
> corresponding boot menu but, of course, without changing the root, all paths
> referenced in this file won't work.

Did you use bootid at the kernel (linux) line?
This is found at the /conf/bootid.txt on the ISO.
Or you can use "ignore_bootid" instead.

Regards - Goh Lip