diff -rup virtinst-0.400.3/virtinst/VirtualHostDevice.py new/virtinst/VirtualHostDevice.py

--- virtinst-0.400.3/virtinst/VirtualHostDevice.py	2009-05-06 11:58:57.000000000 -0400

+++ new/virtinst/VirtualHostDevice.py	2009-05-06 11:59:20.000000000 -0400

@@ -201,8 +201,9 @@ class VirtualHostDevicePCI(VirtualHostDe

         try:

             # Do this as a sanity check, so that we don't fail at domain

             # start time

-            self._nodedev.dettach()

-            self._nodedev.reset()

+            node = conn.nodeDeviceLookupByName(self._nodedev.name)

+            node.dettach()

+            node.reset()

         except Exception, e:

             raise RuntimeError(_("Could not detach PCI device: %s" % str(e)))