[syslinux] Chainload El Torito grub2 from syslinux from a partition table

H. Peter Anvin
Tue, 01 Sep 2015 22:29:56 -0000

On 08/29/2015 09:14 AM, Emilio Lazo Zaia via Syslinux
wrote:
>
> If the distro uses grub2 it fails because the "hybrid" grub2
images
> lacks the support of booting from a partition table (right?), i.e. the
> file boot_hybrid.img from grub2 *seems* not supporting booting from a
> partition table. It hangs on "Booting".
>
> There is a way to patch this behavior allowing chainloading a grub2
> hybrid boot sector from a partition table using ext/syslinux? or the
> solution can't be a syslinux patch and must be a new version of
> boot_hybrid.img from grub2 developers?
>

I doubt this is something that can be done in Syslinux.  Grub2 would
have to be appropriately adjusted to either be able to accept the
partition handover information from the Syslinux chainloader, or be able
to know independently which partition it is loaded from.

	-hpa