On Thu, 04 May 2006 08:48:02 -0400
Greg Troxel <gdt@ir.bbn.com> wrote:

> I dimly recall that GRUB only supported UFS1.  
It supports UFS2 as well with /grub/ufs2_stage1_5
instead of ffs_stage1_5. 
As I said in my email I managed to boot a smaller, custom XEN kernel.

>On my system, I used
> ufs1 for / and /var and probably /usr, and maybe used ufs2 for the
> large /n0 partition that was to contain disk images.
> 
> I use compressed kernels with GRUB.

I can try to gzip the generic XEN kernel and see how it goes.
But that should be included in the guide if there is a kernel size
limit for GRUB.