diff -r 5ea81e640509 tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py	Sun Sep 25 10:47:22 2005
+++ b/tools/python/xen/xm/main.py	Mon Sep 26 09:32:32 2005
@@ -175,6 +175,10 @@
 
     dom = args[0] # TODO: should check if this exists
     savefile = os.path.abspath(args[1])
+
+    if not os.access(os.path.dirname(savefile), os.W_OK):
+        err("xm save: Unable to create file %s" % savefile)
+        sys.exit(1)
     
     from xen.xend.XendClient import server
     server.xend_domain_save(dom, savefile)