Index: xen-3.0.5-testing/tools/python/xen/xend/XendDomainInfo.py
===================================================================
--- xen-3.0.5-testing.orig/tools/python/xen/xend/XendDomainInfo.py
+++ xen-3.0.5-testing/tools/python/xen/xend/XendDomainInfo.py
@@ -1444,6 +1444,9 @@ class XendDomainInfo:
                               "supported by your CPU and enabled in your "
                               "BIOS?")
 
+        # The hypervisor needs some domheap pages to create the VM.
+        # Final ballooning for the domain's pages will be done later.
+        balloon.free(16 * 1024)
         self.domid = xc.domain_create(
             domid = 0,
             ssidref = security.get_security_info(self.info, 'ssidref'),