diff -r f33328217eee tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py	Mon Mar 10 22:51:57 2008 +0000
+++ b/tools/python/xen/xend/XendDomainInfo.py	Tue Mar 11 15:46:37 2008 +0900
@@ -2104,7 +2104,7 @@ class XendDomainInfo:
         self.state_updated.acquire()
         try:
             while self._stateGet() in (DOM_STATE_RUNNING,DOM_STATE_PAUSED):
-                self.state_updated.wait()
+                self.state_updated.wait(timeout=1.0)
         finally:
             self.state_updated.release()