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

[Diego Dave <diego.dave.s@xxxxxxxxx>]

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