Probably need to pass a uuid to the real root kernel param

On Fri, Feb 16, 2018, 11:34 AM zless <zless@dmesg.site> wrote:

> Hello all,
>
> I'm trying to have the Gentoo Live CD ISO as a recovery media in grub.
>
> I tried all the options I could think off in a custom grub menu entry like
> this:
>
> menuentry "Gentoo ISO" {
>     set cmdline="root=/dev/ram0 init=/linuxrc dokeymap looptype=squashfs
> loop=/image.squashfs cdroot initrd=gentoo.igz BOOT_IMAGE=gentoo"
>     loopback loop /path/to/iso/install-amd64-minimal-20180206T214502Z.iso
>     linux  (loop)/isolinux/gentoo $cmdline isoloop=/image.squashfs
> initrd=gentoo.igz vga=791 BOOT_IMAGE=gentoo
>     initrd (loop)/isolinux/gentoo.igz
> }
>
> It boots the live CD kernel, it even asks for the keymap but then it fails
> to mount the root device.
>
> Any idea how to properly boot the iso from grub?
>
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