Index: root/xen-unstable.hg/tools/python/xen/xend/XendAPI.py
===================================================================
--- root.orig/xen-unstable.hg/tools/python/xen/xend/XendAPI.py
+++ root/xen-unstable.hg/tools/python/xen/xend/XendAPI.py
@@ -994,6 +994,7 @@ class XendAPI(object):
     def host_get_log(self, session, host_ref):
         log_file = open(XendLogging.getLogFilename())
         log_buffer = log_file.read()
+        log_file.close()
         return xen_api_success(log_buffer)
 
     def host_send_debug_keys(self, _, host_ref, keys):