diff -r 6ab55f716ce3 tools/python/xen/util/pci.py
--- a/tools/python/xen/util/pci.py  Thu Oct 09 17:18:11 2008 +0100
+++ b/tools/python/xen/util/pci.py  Fri Oct 10 13:16:00 2008 +0800
@@ -696,6 +696,7 @@ class PciDevice:
     def do_FLR(self):
         """ Perform FLR (Functional Level Reset) for the device.
         """
+        return
         if self.dev_type == DEV_TYPE_PCIe_ENDPOINT:
             # If PCIe device supports FLR, we use it.
             if self.pcie_flr:
diff -r 6ab55f716ce3 tools/python/xen/xend/server/pciif.py
--- a/tools/python/xen/xend/server/pciif.py Thu Oct 09 17:18:11 2008 +0100
+++ b/tools/python/xen/xend/server/pciif.py Fri Oct 10 13:18:25 2008 +0800
@@ -375,6 +375,7 @@ class PciController(DevController):
             pci_dev_list = pci_dev_list + [(domain, bus, slot, func)]

         for (domain, bus, slot, func) in pci_dev_list:
+            continue
             try:
                 dev = PciDevice(domain, bus, slot, func)
             except Exception, e: