[libvirt-users] PCI Pass through of atheros card

Hi, I am trying to make a PCI passthrough of the atheros card to a VM running over KVM. am following the steps given at http://docs.fedoraproject.org/en-US/Fedora/13/html/Virtualization_Guide/s.... but am getting the following errors, 1. Error starting domain: operation failed: failed to retrieve chardev info in qemu with 'info chaqdev' 2. Details: 3. Error starting domain: operation failed: failed to retrieve chardev info in qemu with 'info chaqdev' 4. 5. Traceback (most recent call last): 6. File "/usr/share/virt-manager/virtManager/asyncjob.py", line 45, in cb_wrapper 7. callback(asyncjob, *args, **kwargs) 8. File "/usr/share/virt-manager/virtManager/engine.py", line 959, in asyncfunc 9. vm.startup() 10. File "/usr/share/virt-manager/virtManager/domain.py", line 1114, in startup 11. self._backend.create() 12. File "/usr/lib/python2.7/site-packages/libvirt.py", line 333, in create 13. if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self) 14. libvirtError: operation failed: failed to retrieve chardev info in qemu with 'info chaqdev' I am using a Dell Optiplex XE system which has VT-d enabled and Atheros AR5001X+ Wireless Network Adapter. How do i rectify this. Thanks, sincerely, Varun Ganesh