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[libvirt-users] Digium TDM410 passthrought to KVM VM trixbox

Hello, my name is Paul.
I need to map a PCI device for a virtual machine.
The Linux distribution is Ubuntu server 9.10, infrastructure virtualization is "KVM". The virtual machine will install trixbox. To map the PCI card is a "Digium TDM410p.
There currently, KVM hosts a virtual machine that runs smoothly without any problems. In fact, this virtual machine is running Openfiler and has direct access to 2 physical disks installed on the server.
Creating a new virtual machine can not connect the Digium card, directly to the virtual machine.I tried in 2 ways.

1. Directly editing the XML file for the virtual machine with the parameters indicated in the documentation:
<hostdev mode='subsystem' type='pci'>
<address bus='0x01' slot='0x00' function='0x0'/>    <-----this is my personal configuration
</ source>
</ hostdev>
</ devices>

2. Adding the PCI card via virt-manager

In both cases, the virtual machine will not start. Virt-manager returns this error:
"Error starting domain/ monitor socket did not show up./ Connection refused"
"Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/engine.py", line 493, in run_domain
  File "/usr/share/virt-manager/virtManager/domain.py", line 558, in startup
  File "/usr/lib/python2.6/dist-packages/libvirt.py", line 293, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: monitor socket did not show up.: Connection refused"

Can someone kindly help me?

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