Xen users - May 2006 - installation help for xen3.0.2-2 with linux-2.6.16 kernel

Hi all,

I''m new to Xen and am trying to install Xen3.0.2-2 on Ubuntu with
kernel
linux-2.6.16. I did make ''make world'' and ''make
install'' and ''sh
./install.sh'', however when try booting Xen it automatically reboots
the
system after sometime. My /boot/grub/menu.lst entry looks like the
following.

title           Xen 3.0
kernel        /boot/xen-3.0.gz dom0_mem=262144
module      /boot/vmlinuz-2.6-xen root=/dev/hda1 ro console=ttyS0
boot

I am using a serial console to access the system and for that i''ve
added the
following to /boot/grub/menu.lst

serial --unit=0 --speed=38400 --word=8 --parity=no --stop=1
terminal --timeout=10 serial console

and this to /etc/inittab

T0:23:respawn:/sbin/getty -L ttyS0 38400 vt100

Any sort of help would be appreciated!

Regards
Hardeep


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I just found this on one of the installation pages on xen-wiki :

"Copy the modules directory /lib/modules/2.6.<version>-xen to the
/lib/modules directory of your VM and make an initrd with mkinitrd. #
mkinitrd /boot/initrd-xen-3.0.img 2.6.<version>-xen"

I did not do that. However I can not really understand what files to copy
from and to where? Could someone give me some pointers on how to go about
making my initrd?

root@pippin:/lib/modules# ls
2.6.12-9-686  2.6.16-xen

root@pippin:/lib/modules/2.6.12-9-686# ls
initrd   modules.alias   modules.ieee1394map  modules.pcimap
modules.usbmap
kernel   modules.ccwmap  modules.inputmap     modules.seriomap  volatile
madwifi  modules.dep     modules.isapnpmap    modules.symbols

root@pippin:/lib/modules/2.6.16-xen# ls
build          modules.ccwmap       modules.inputmap   modules.seriomap
source
kernel         modules.dep          modules.isapnpmap  modules.symbols
modules.alias  modules.ieee1394map  modules.pcimap     modules.usbmap

Regards,
Hardeep





On 5/27/06, Hardeep Singh <hardeepguru@gmail.com>
wrote:
>
> Hi all,
>
> I''m new to Xen and am trying to install Xen3.0.2-2 on Ubuntu with
kernel
> linux-2.6.16. I did make ''make world'' and ''make
install'' and ''sh
> ./install.sh'', however when try booting Xen it automatically
reboots the
> system after sometime. My /boot/grub/menu.lst entry looks like the
> following.
>
> title           Xen 3.0
> kernel        /boot/xen-3.0.gz dom0_mem=262144
> module      /boot/vmlinuz-2.6-xen root=/dev/hda1 ro console=ttyS0
> boot
>
> I am using a serial console to access the system and for that i''ve
added
> the following to /boot/grub/menu.lst
>
> serial --unit=0 --speed=38400 --word=8 --parity=no --stop=1
> terminal --timeout=10 serial console
>
> and this to /etc/inittab
>
> T0:23:respawn:/sbin/getty -L ttyS0 38400 vt100
>
> Any sort of help would be appreciated!
>
> Regards
> Hardeep
>


-- 
hardeep


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At 04:18 PM 5/27/2006, you wrote:
>title           Xen 3.0
>kernel        /boot/xen-3.0.gz dom0_mem=262144

kernel /boot/xen.gz dom0_mem=131072 com1=9600,8n1
>module      /boot/vmlinuz-2.6-xen root=/dev/hda1 ro console=ttyS0
The manual says - "Enabling Xen serial console output neither enables 
nor disables Linux kernel output or logging in to Linux over serial 
port." - so you need to keep the standard Linux serial console changes as
well.

Try this and see if you get some useful output to the serial console 
before the restart. 


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At 05:41 PM 5/27/2006, you wrote:
>I just found this on one of the installation pages on xen-wiki :
>
>"Copy the modules directory /lib/modules/2.6.<version>-xen to the
>/lib/modules directory of your VM and make an initrd with mkinitrd. 
># mkinitrd /boot/initrd-xen-3.0.img 2.6.<version>-xen"
>I did not do that. However I can not really understand what files to 
>copy from and to where? Could someone give me some pointers on how 
>to go about making my initrd?
I think this is referring to getting the modules in a domU.  You can 
''mkinitrd -o /boot/inird-xen-3.0.img 2.6.16-xen'' and then add
another
module line to your grub menu.lst.  It''ll probably end up looking like
this:

title       Xen 3.0
kernel      /boot/xen-3.0.gz dom0_mem=262144 com1=9600,8n1
module      /boot/vmlinuz-2.6-xen root=/dev/hda1 ro console=ttyS0
module      /boot/initrd-xen-3.0.img
boot



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Hi,

Thanks a lot. That helped though I had to put com1=38400,8n1 due to a
different baud rate of my terminal, otherwise all I could see was junk! My
Xen is now up and running :)

Thanks & Regards,
Hardeep

On 5/27/06, Mark Petersen <markp@mark-petersen.net>
wrote:
>
> At 05:41 PM 5/27/2006, you wrote:
> >I just found this on one of the installation pages on xen-wiki :
> >
> >"Copy the modules directory /lib/modules/2.6.<version>-xen
to the
> >/lib/modules directory of your VM and make an initrd with mkinitrd.
> ># mkinitrd /boot/initrd-xen-3.0.img 2.6.<version>-xen"
> >I did not do that. However I can not really understand what files to
> >copy from and to where? Could someone give me some pointers on how
> >to go about making my initrd?
>
> I think this is referring to getting the modules in a domU.  You can
> ''mkinitrd -o /boot/inird-xen-3.0.img 2.6.16-xen'' and then
add another
> module line to your grub menu.lst.  It''ll probably end up looking
like
> this:
>
> title       Xen 3.0
> kernel      /boot/xen-3.0.gz dom0_mem=262144 com1=9600,8n1
> module      /boot/vmlinuz-2.6-xen root=/dev/hda1 ro console=ttyS0
> module      /boot/initrd-xen-3.0.img
> boot
>
>
>

-- 
hardeep


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