Re: [Xen-users] Problem adding entry to grub on ubuntu

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after modifying /etc/grub.d/40_custom run `update-grub` which 
repopulates /boot/grub/grub.cfg
Krist van Besien wrote:
> Hello,
>
> System is unbuntu 10.4 LTS, running on a single proc 4 core XEON.
> I compiled and installed XEN 4.0.0 following the recipes found here:
>
>
> http://virtually-a-machine.blogspot.com/2009/12/experimental-xen-and-ubuntu-part-1.html
> http://virtually-a-machine.blogspot.com/2009/12/experimental-xen-and-ubuntu-part-2.html
> (using a xen 4.0.0 tarball though).
>
> Now this site instructs me to add an entry to /etc/grub.d/ so that it
> gets included in grub.conf when I run update-grub
>
> The exact example given on the site above didn't work, so I googled a
> bit in order to find out how I was supposed to do this. I settled on
> adding a 40_custom file to /etc/grub.d, with the following content:
>
> #!/bin/sh
> exec tail -n +3 $0
> # This file provides an easy way to add custom menu entries.  Simply type the
> # menu entries you want to add after this comment.  Be careful not to change
> # the 'exec tail' line above.
> menuentry 'Xen 4 Ubuntu 2.6.31.6-xen1'{
>     insmod raid
>     insmod mdraid
>     insmod ext2
>     set root='(md0)'
>     multiboot (md0)/xen-4.0.0.gz dummy=dummy dom0_mem=1024M
>     module (md0)/vmlinuz-2.6.31.13xen-kvb-1 dummy=dummy
> root=/dev/mapper/thunersee_root-root ro
>     module (md0)/initrd.img-2.6.31.13xen-kvb-1
> }
>
>
> My problem is that this does get added to grub.conf, but does not
> appear in the boot menu. When I add a copy of an existing entry to
> 40_config it does get added as a boot option, so it must be something
> with the content/syntax of my menuentry. However I have no idea. The
> grub site doesn't even mention what the correct syntax for menuentry
> is.
> Does anybody have an idea what is wrong? What I should change so that
> I can actually boot xen?
>
> Thanks in advance,
>
> Krist
>
>   

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