Re: [Xen-users] Re: [Xen-devel] Re: [Xen-tools] Unable to start xend

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

I am confused. Just try to reproduce :-
   http://lxer.com/module/newswire/view/133477/index.html
with .config i've sent to you yesterday.

I believe Konrad wrote you the same.
You mix several sources. I wouldn't do that.

Boris.


--- On Wed, 3/31/10, Onkar Mahajan <kern.devel@xxxxxxxxx> wrote:

From: Onkar Mahajan <kern.devel@xxxxxxxxx>
Subject: [Xen-users] Re: [Xen-devel] Re: [Xen-tools] Unable to start xend
To: "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>
Cc: bderzhavets@xxxxxxxxx, "Joseph Coleman" <joe.coleman@xxxxxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
Date: Wednesday, March 31, 2010, 10:42 AM

On Wed, Mar 31, 2010 at 7:49 PM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:

On Wed, Mar 31, 2010 at 12:45:02PM +0530, Onkar Mahajan wrote:
> Please confirm if I am right :
>

Aaah, you are using GRUB2, not GRUB!

> #!/bin/sh
>
> cat << EOF
> menuentry "Xen 3.5 / Ubuntu, 2.6.31.6-xen1" {
>     insmod ext2
>     set root=(hd0,1)
>     multiboot /boot/xen-3.5.gz <- This is the Xen VMM proper ???

Yup

>     module /boot/vmlinuz-2.6.31.6-xen1 dummy=dummy dom0_mem=1024M
> root=/dev/sda1 ro <- This is linux kernel with pvops right ???

Yup. I would suggest you add 'console=hvc0' so you can see the output.

>     module /boot/initrd.img-2.6.31.6-xen1
> }
>
> EOF
>
> so in my case , I have compiled Linux kernel containing pvops ; Now , I also
> need Xen VMM ?? right ??

Yes. But from your /boot/grub/menu.lst it looks that you do have the
xen-3.5.gz compiled?

No , this is just the copy-paste from
http://virtually-a-machine.blogspot.com/2009/12/experimental-xen-and-ubuntu-part-2.html
I don't have the xen-3.5.gz  compiled . (just for my understanding )
Neither do i know how to compile it
for the pvops kernel (2.6.31.6) that I am using.
Can you shed some light as to how I can generate the xen.gz image , Please note that
I have CONFIG_XEN_DOM0=y set in my .config file.
I have attached the .config and menu.lst file for your reference.

What is the significance of   CONFIG_XEN_DOM0=y ? does is generate
dom0 image as well ? If yes where ??

Thanks anyways for your concern.
/Onkar

For details on how to do that look at the URL that
Boris sent - it is pretty comprehensive.

Also take a look at this (which Boris wrote as well):
http://bderzhavets.wordpress.com/2009/08/31/loading-xen-via-grub2-on-top-ubuntu-karmic-server-alpha-4/

That explains how to setup the GRUB2 entry correctly.

Boris, I am CC-ing you on this e-mail. Any suggestions on what else he
might need to do?

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