The stopgap in changeset 7152:a73ab0ddf990 was broken -- revert the change to

domain_lookup_by_name, as it causes an infinite loop on startup.  Leave the
domain_lookup change.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

tools/python/xen/xend/XendDomain.py

@@ -275,7 +275,6 @@ class XendDomain:
         return self.domains.get(id)
 
     def domain_lookup_by_name(self, name):
-        self.refresh()
         dominfo = self.domains.get_by_name(name)
         if not dominfo:
             try: