Comment 8 for bug 741706

Description of problem:
NIC passthrough failed during new VM installing in virt-manager.

Version-Release number of selected component (if applicable):
virt-manager-0.8.4-4.el6.noarch

How reproducible:
always

Steps to Reproduce:
1. Install a new VM and passthrough NIC during install wizard.
2.
3.

Actual results:
Unable to complete install '<class 'libvirt.libvirtError'> internal error
Process exited while reading console log output: char device redirected to
/dev/pts/1
No IOMMU found. Unable to assign device "hostdev0"
Failed to deassign device "hostdev0" : Invalid argument
qemu-kvm: -device
pci-assign,host=02:00.0,id=hostdev0,configfd=23,bus=pci.0,addr=0x7: Device
'pci-assign' could not be initialized

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/create.py", line 1559, in
do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.6/site-packages/virtinst/Guest.py", line 972, in
start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.6/site-packages/virtinst/Guest.py", line 1037, in
_do_install
    "install")
  File "/usr/lib/python2.6/site-packages/virtinst/Guest.py", line 1008, in
_create_guest
    dom = self.conn.createLinux(start_xml, 0)
  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1270, in
createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed',
conn=self)
libvirtError: internal error Process exited while reading console log output:
char device redirected to /dev/pts/1
No IOMMU found. Unable to assign device "hostdev0"
Failed to deassign device "hostdev0" : Invalid argument
qemu-kvm: -device
pci-assign,host=02:00.0,id=hostdev0,configfd=23,bus=pci.0,addr=0x7: Device
'pci-assign' could not be initialized

'

Expected results:
NIC can be passthrough to guest in new vm wizard.

Additional info: