Xen users - Jun 2010 - "couldn''t find bootloader config file in the image provided."

I attempted to install Ubuntu 10.04 as a domU on my CentOS dom0.  The process I
used was:

wget
http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/xm-debian.cfg

Edited the config file to use the proper logical volume for its install, and
stepped through the install, installed GRUB to the MBR, and all seemed well.

However, upon
xm create -c NAME install=true
install-mirror=http://mirrors.us.kernel.org/ubuntu/

I get:
Traceback (most recent call last):
  File "/usr/bin/pygrub", line 682, in ?
    chosencfg = run_grub(file, entry, fs)
  File "/usr/bin/pygrub", line 536, in run_grub
    g = Grub(file, fs)
  File "/usr/bin/pygrub", line 203, in __init__
    self.read_config(file, fs)
  File "/usr/bin/pygrub", line 397, in read_config
    raise RuntimeError, "couldn''t find bootloader config file in
the image provided."
RuntimeError: couldn''t find bootloader config file in the image
provided.
No handlers could be found for logger "xend"
Error: Boot loader didn''t return any data!

Not quite sure what to do to address this.  Any suggestions would be most
appreciated.

-- Corey / KB1JWQ
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--- On Mon, 6/28/10, Corey Chandler <cchandler@mediatemple.net> wrote:
> From: Corey Chandler <cchandler@mediatemple.net>
> Subject: [Xen-users] "couldn''t find bootloader config file in
the image provided."
> To: xen-users@lists.xensource.com
> Date: Monday, June 28, 2010, 2:10 PM
> I attempted to install Ubuntu 10.04
> as a domU on my CentOS dom0.  The process I used was:
> 
> wget
http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-amd64/current/images/netboot/xen/xm-debian.cfg
> 
> Edited the config file to use the proper logical volume for
> its install, and stepped through the install, installed GRUB
> to the MBR, and all seemed well.
> 
> However, upon
> xm create -c NAME install=true
install-mirror=http://mirrors.us.kernel.org/ubuntu/
<snip>
> RuntimeError: couldn''t find bootloader config file in the
> image provided.
> No handlers could be found for logger "xend"
> Error: Boot loader didn''t return any data!
If you followed installer defaults, then /boot is ext4 (strike 3).
Your Xen version won''t support ext4 in boot partition.

Its pretty easy to upgrade your Xen to 3.42 by pointing Yum to this repo:
http://www.gitco.de/linux/x86_64/centos/5/

(watch the arch).
Best bet is to add the new *.repo from gitco,upgrade Xen, then try the PV
install again and use ext3 in the /boot partition.

You will still have trouble with pygrub choking on the grub2 *.cfg file.
An option is to get hold of pv-grub for your arch and use that at first boot.

-- 
Mark




      

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On Jun 28, 2010, at 3:12 PM, Mark Pryor wrote:
> 
> If you followed installer defaults, then /boot is ext4 (strike 3).
> Your Xen version won''t support ext4 in boot partition.
> 
> Its pretty easy to upgrade your Xen to 3.42 by pointing Yum to this repo:
> http://www.gitco.de/linux/x86_64/centos/5/
> 
> (watch the arch).
> Best bet is to add the new *.repo from gitco,upgrade Xen, then try the PV
install again and use ext3 in the /boot partition.
> 
> You will still have trouble with pygrub choking on the grub2 *.cfg file.
> An option is to get hold of pv-grub for your arch and use that at first
boot.
Doh!  Thanks, that''d explain it.

Too many moving parts on this box; looks like I''ll use Lenny instead.

Thanks for your help!

-- Corey / KB1JWQ

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On Jun 28, 2010, at 3:43 PM, Corey Chandler wrote:
> 
> On Jun 28, 2010, at 3:12 PM, Mark Pryor wrote:
>> 
>> If you followed installer defaults, then /boot is ext4 (strike 3).
>> Your Xen version won''t support ext4 in boot partition.
>> 
>> Its pretty easy to upgrade your Xen to 3.42 by pointing Yum to this
repo:
>> http://www.gitco.de/linux/x86_64/centos/5/
>> 
>> (watch the arch).
>> Best bet is to add the new *.repo from gitco,upgrade Xen, then try the
PV install again and use ext3 in the /boot partition.
>> 
>> You will still have trouble with pygrub choking on the grub2 *.cfg
file.
>> An option is to get hold of pv-grub for your arch and use that at first
boot.
> 
> Doh!  Thanks, that''d explain it.
> 
> Too many moving parts on this box; looks like I''ll use Lenny
instead.
> 
> Thanks for your help!
Forgive the self-reply, but is there a similar method to install a Lenny amd64
domU?  They''ve got an i386/i686 domU config file in their repository,
but 32 bits leaves me feeling like I''m stuck in the past..

-- Corey /KB1JWQ

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