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Re: [Xen-users] Problem booting up Xen 3.3.0 on Kubuntu 8.04.1

To: Mayuresh Kasture <mayuresh.kasture@xxxxxxxxx>

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>

Date: Fri, 26 Dec 2008 00:05:38 -0800 (PST)

Delivery-date: Fri, 26 Dec 2008 00:06:28 -0800

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List-id: Xen user discussion <xen-users.lists.xensource.com>

> I do not understand what you men mean by "Intrepid Xen 3.3 Hypervisor may be just
> back ported to Hardy Dom0 via Synaptic Manager, keeping native xenified kernel in place.
>Would it be acceptable ?" Could you please explain this?

I just have positive experience with Ubuntu 8.04.1 and written "howto" :-

****************************************************************************
Back port Intrepid Xen 3.3 Hypervisor to Ubuntu Hardy Dom0 (2.6.24-21-xen)
****************************************************************************
http://lxer.com/module/newswire/view/112045/index.html

--- On Thu, 12/25/08, Mayuresh Kasture <mayuresh.kasture@xxxxxxxxx> wrote:

From: Mayuresh Kasture <mayuresh.kasture@xxxxxxxxx>
Subject: Re: [Xen-users] Problem booting up Xen 3.3.0 on Kubuntu 8.04.1
To: bderzhavets@xxxxxxxxx
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Thursday, December 25, 2008, 3:05 PM
Do you mean that Xen can not be installed on Kubuntu 8.04? Where can I get the list of OSs Xen can be installed on?

I do not understand what you men mean by "Intrepid Xen 3.3 Hypervisor may be just back ported to Hardy Dom0 via Synaptic Manager, keeping native xenified kernel in place. Would it be acceptable ?" Could you please explain this?
On Thu, Dec 25, 2008 at 10:46 AM, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:
May Kubuntu 8.04.1 be replaced by Ubuntu 8.04.1 ?
Intrepid Xen 3.3 Hypervisor may be just back ported to Hardy Dom0 via Synaptic Manager, keeping native xenified kernel in place. Would it be acceptable ?

--- On Thu, 12/25/08, Mayuresh Kasture <mayuresh.kasture@xxxxxxxxx> wrote:
From: Mayuresh Kasture <mayuresh.kasture@xxxxxxxxx>
Subject: [Xen-users] Problem booting up Xen 3.3.0 on Kubuntu 8.04.1
To: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Thursday, December 25, 2008, 5:28 AM

Hello All,

I am facing problems in booting up Xen on Kubuntu 8.04.1

Booting crashes giving message "ALERT! does not exist. Dropping to a shell !"

Last couple of lines are,

sd 4:0:0:0: Attached scsi removable disk sdb
sd 4:0:0:0: Attached scsi generic sg1 type 0
Done.
         Check root=bootarg cat /proc/cmdline
         or missing modules, devices: cat /proc/modules ls /dev
ALERT! does not exist. Dropping to a shell !
BusyBox v1.1.3 (Debian 1:1.1.3-5ubuntu12) Built-in shell (ash)

I followed the procedure given on http://lists.xensource.com/archives/html/xen-users/2008-01/msg00700.html to install Xen

1. Created a "xen/build" directory on Desktop
2. Extracted xen-3.3.0.tar.gz in this folder
3. hg clone http://xenbits.xensource.com/linux-2.6.18-xen.hg (At the same level as that of xen-3.3.0)
4. cd xen-3.3.0
5. make linux-2.6-xen-config CONFIGMODE=menuconfig
6. cp /boot/config-2.6.18-xen build-linux-2.6.18-xen_x86_64/.config
7. make linux-2.6-xen-build
8. make install
9. cd /boot
10. mkinitramfs -o initramfs.img-2.6.18-xen 2.6.18-xen
11. added a grub entry for xen in menu.lst
# This entry has been manually added for xen
title        Xen 3.3 / XenLinux 2.6
root        ()/ubuntu/disks
kernel        /boot/xen-3.3.0.gz root=UUID=C4A2BD12A2BD09C6 loop=/ubuntu/disks/root.disk ro
module        /boot/vmlinuz-2.6.18-xen
module        /boot/initramfs.img-2.6.18-xen
12. reboot

And then I choose Xen 3.3 / XenLinux 2.6 option during booting. It starts booting and ultimately crashes throwing the message "ALERT! does not exist. Dropping to a shell !".

If I execute cat /proc/cmdline, it gives nothing.

If I execute cat /proc/modules or ls /dev, it lists some devices. (I can give this list if you think that is important.)

I have attached the menu.lst with this mail for reference.

Can anybody help me solving this problem? It is very important.

Thanks in advance.

- Mayuresh
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