On Mon, 1 Sep 2014 18:29:46 Joseph wrote:
> Well, I don't expect USB to be a problem as SystemrescueCD can generate
> bootable USB on the same stick and it boots correctly; so I don't suspect
> hardware to be an issue.

Just to make sure, you don't use UEFI on your host do you? The gentoo minimal 
CD doesn't support UEFI as yet (whereas I think sysrescd does).

--
wraeth