Re: [Xen-devel] [PATCH] [XM] Enable a bootloader when using XM via Xen-API

[Stefan Berger <stefanb@xxxxxxxxxx>]

> John Levon <levon@xxxxxxxxxxxxxxxxx> 
> Sent by: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
> 
> 07/29/2008 10:45 PM
> 
> To
> 
> Stefan Berger/Watson/IBM@IBMUS
> 
> cc
> 
> xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
> 
> Subject
> 
> Re: [Xen-devel] [PATCH] [XM] Enable a bootloader when using XM via
Xen-API
> 
> On Tue, Jul 29, 2008 at 10:37:44PM -0400, Stefan Berger wrote:
> 
> > This enables the usage of a bootloader, i.e., pygrub, when starting
a
> > domain using xm in Xen-API mode.
> 
> It's supposed to default to using pygrub if no kernel is specified,
is
> this still true after your change?
> 
> regards
> john

I don't think it actually worked correctly before
with xm.

Using a vm config file with the following entries
and the domU kernel as the first title in grub.conf

name = "test"
memory = 512
disk = ['file:/temp/fc8-i386.img,sda,w']
bootloader = "/usr/bin/pygrub"

I tested using 'xm create' in Xen-API mode by enabling
and disabling the 'bootloader' line and got this here:

  - without the patch and the bootloader line
'on' :  'Internal Error: Had a bootloader specified, but no disks
are bootable'
  - without the patch and the bootloader line
'off':  'Internal Error: Had a bootloader specified, but no disks
are bootable'
  - with    the patch and the bootloader
line 'on' :  * boots domU *
  - with    the patch and the bootloader
line 'off':  * boots domU *

I think the patch solves the problem with the bootloader.

Is it possible to have pygrub display its GUI while
doing 'xm create'? How?

  Stefan


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