Re: [Xen-users] boot cd

[Tim Deegan <Tim.Deegan@xxxxxxxxxxxx>]

Hi Stephan,

On Mon, Aug 29, 2005 at 02:35:22PM +0200, Stephan B?ni wrote:
> If i'm using syslinux i have to build an isolinux.cfg file such as:
> 
> default xen
>  
> # xen server
> label xen
>   kernel xen.gz dom0_mem=131072
>   append module=/boot/vmlinuz-2.6.8-24.16-xen root=/dev/sda2
>   append module=/boot/initrd-2.6.8-24.16-xen
> 
> ...but it don't work so.

ISOLINUX can't boot Xen directly -- the error message you're getting is
because it's trying to boot xen.gz as a linux kernel.  There's a
module, mboot.c32, which ships with more recent versions of syslinux
and will let you boot Xen with a config file something like:

LABEL Xen
  KERNEL /boot/mboot.c32 
  APPEND /boot/xen.gz dom0_mem=131072 --- /boot/vmlinuz-2.6.8-24.16-xen 
root=/dev/sda2 --- /boot/initrd-2.6.8-24.16-xen

Have a look at com32/modules/mboot.doc in a recent syslinux tarball for
more details. 

Grub is able to boot Xen directly; see the Xen user manual for details
of what to put in menu.lst and the GRUB docs for how to make a CD:
http://www.cl.cam.ac.uk/Research/SRG/netos/xen/readmes/user/user.html
http://www.gnu.org/software/grub/manual/html_node/

Tim.

-- 
Tim Deegan                           (My opinions, not the University's)
Systems Research Group
University of Cambridge Computer Laboratory

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