Xen users - Aug 2010 - Error: Bootloader isn''t executable when installing Ubuntu 10.04 on CentOS 5.3/Xen 3.0

I am running Xen 3.0 (64bit) on CentOS 5.3, and I want to install
Ubuntu 10.04 using the steps below:

1. Create a new disk with LVM
2. Downlaod vmlinuz & initrd.gz from
http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/
3. /usr/sbin/xm create -c /etc/xen/ubuntu.cfg install=true
4. Format the whole disk as EXT3, mount as /
5. The installer show some warnings (randomly, since they are not repeatable)

Deboostrap warning
Warnings: Couldn''t download package libnewt0.52

6. The clicked continue, and retry to install the base system again
7. When prompted to choose the kernel, I cannot find xen related, so I
choose linux-generic
8. Everything alright, the installer quit and system halt.
9. I launch the VM using  /usr/sbin/xm create -c /etc/xen/ubuntu.cfg, it show
Error: Bootloader isn''t executable

p.s. ubuntu.cfg
=============name = "Ubuntu"
kernel = "/root/ubuntu/vmlinuz"
ramdisk = "/root/ubuntu/initrd.gz"
vif = [ "mac=00:13:1e:6e:23:e2,bridge=xenbr0" ]
disk = [ "phy:/dev/vg0/ubuntu,xvda,w" ]
=============

Any thing I am missing?

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On Sun, Aug 29, 2010 at 7:33 PM, Ryan Chan <ryanchan404@gmail.com>
wrote:
> 5. The installer show some warnings (randomly, since they are not
repeatable)
>
> Deboostrap warning
> Warnings: Couldn''t download package libnewt0.52
I''d guess something is wrong with either your connection or the mirror
you use
> 7. When prompted to choose the kernel, I cannot find xen related, so I
> choose linux-generic
Last time I check you''d need -server, or (better yet) -virtual.
> 9. I launch the VM using  /usr/sbin/xm create -c /etc/xen/ubuntu.cfg, it
show
> Error: Bootloader isn''t executable
>
> p.s. ubuntu.cfg
> =============> name = "Ubuntu"
> kernel = "/root/ubuntu/vmlinuz"
> ramdisk = "/root/ubuntu/initrd.gz"
> vif = [ "mac=00:13:1e:6e:23:e2,bridge=xenbr0" ]
> disk = [ "phy:/dev/vg0/ubuntu,xvda,w" ]
> =============
That doesn''t look right. It shouldn''t show errors about
bootloader
when you don''t have a bootloader line (or do you?)

Anyway, I''d suggest you start using linux-image-virtual first.

-- 
Fajar

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I have re-install the system, result seems the same...


On Sun, Aug 29, 2010 at 11:43 PM, Fajar A. Nugraha <fajar@fajar.net>
wrote:
>
> I''d guess something is wrong with either your connection or the
mirror you use
>
Very strange, I tried different mirrors, everything there must be some
package cannot be downloaded. But anyway, re-run the "install the base
system" seems fine.

>> 9. I launch the VM using  /usr/sbin/xm create -c /etc/xen/ubuntu.cfg,
it show
> when you don''t have a bootloader line (or do you?)
>

This time, I skipped installing grub at the end of the installation
process, but added "bootloader = "/usr/bin/pygrub" in the config
file,
it shows

..
    raise RuntimeError, "couldn''t find bootloader config file in
the
image provided."
...


Any idea?

Thanks.

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