Xen users - Aug 2011 - Problems with Network Bridge HVM DomU Debian Squeeze running over Kernel 2.6.32-5-xen-amd64 Debian Xen 4

Hello community!

I need help with a problem I haven''t been solved with the network team.

I manage a network that has over a thousand computers, and the most of the
servers are virtualized over Debian / Xen by me.

The specific issue arises when I try to set up a DomU HVM running Debian
Squeeze, the VM doesn''''t recognize the network but it runs. It
gives an
error "SIOCSIFFLAGS" when I run the command "ifup eth0" or
"ifconfig eth0
up"

If I make the same but with a PCI Backend of a NIC, it recognizes the
network without any problems. The problem is the bridge with HVM in Xen 4.

Lenny DomU recognizes the network over that configuration, too.

The DomU configuration file:

root@gama9:~# cat /etc/xen/baculadirector

import os, re
arch = os.uname()[4]
if re.search(''64'', arch):
    arch_libdir = ''lib64''
else:
    arch_libdir = ''lib''

kernel = "/usr/lib/xen-default/boot/hvmloader"

builder=''hvm''

memory = 2048

vcpus = 2

cpus = ''4-5''

shadow_memory = 8

name = "baculadirector"

vif = [ ''bridge=eth0, type=ioemu, mac=00:16:3e:99:99:bd'' ]

disk = [ ''file:/home/baculadirector.img,hda,w'' ]#,
''file:/home/debian-6-amd64-CD-1.iso,hdb:cdrom,r'' ]

boot="dc"

vnc = 1
#vncunused=0
sdl = 0
vncconsole=1
vncdisplay=0
#vnclisten=''0.0.0.0''
acpi = 0
apic = 1
device_model = ''/usr/'' + arch_libdir +
''/xen-default/bin/qemu-dm''
stdvga=0
serial=''pty''

usbdevice=''tablet''

on_poweroff = ''destroy''
on_reboot = ''restart''
on_crash = ''restart''

I''m not a native English speaker, sorry if my English seems to Spanish
:)


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Have same problem here. Anyone? My network card is invisible, even when I set
relatek 8169 or intel e1000 in config. Any issues? 

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