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[Xen-users] problems with modules

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] problems with modules
From: Danilo Dongiovanni <danilo.dongiovanni@xxxxxxxxxxxx>
Date: Wed, 27 Jun 2007 12:34:21 +0200
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Hi,
I,m trying to install a domU with kernel
>uname -a
Linux wn-04-03-01-a.cnaf.infn.it 2.6.9-42.26.EL.cernxenU #1 SMP Tue Nov 28 17:09:09 CET 2006 i686 i686 i386 GNU/Linux

on a dom0 with kernel
uname -a
Linux wn-04-03-36-a.cr.cnaf.infn.it 2.6.18-8.1.3.slc4xen #1 SMP Tue May 22 11:43:31 CEST 2007 i686 i686 i386 GNU/Linux

with following configuration

# cat /etc/xen/xmdefconfig

def vmid_check(var, val):
       val = int(val)
       if val <= 0:
          raise ValueError
       return val
# Define the 'vmid' variable so that 'xm create' knows about it.
xm_vars.var('vmid',
           use="Virtual machine id. Integer greater than 0.",
           check=vmid_check)
# Check the defined variables have valid values..
xm_vars.check()
# General settings
kernel = "/boot/vmlinuz-2.6-xen"
#memory =
gateway = "131.154.144.1"
extra = "fastboot"
vif = ['bridge=xenbr0']
ramdisk = "/boot/initrd-2.6-xen.img"

if vmid == 1:
disk = ['phy:/dev/VIRTUAL/wn-04-03-01-a,hda1,w','phy:/dev/VIRTUAL/wn-04-03-01-a-swap,hda5,w']
       memory=333
       ip = "131.154.144.20"
       hostname = "wn-04-03-01-a"
       name = "wn-04-03-01-a"

# Set root device.
root = "/dev/hda1 ro"
------------------------------------------------------------------------------------
the domU starts but cannot see network. I suppose the problem is with modules which do not load at start-up.
I copied domU kernel modules under its file system in the directory
/lib/modules/2.6.9-42.26.EL.cernxenU
but It seems the OS can't find some modules
The usual utilities on modules do not work
> lsmod
Module                  Size  Used by    Not tainted
lsmod: QM_MODULES: Function not implemented

Any ideas on what to try?
Thanks in advance for any help
Danilo

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