Index: /trunk/packages/sipb-xen-guest-installer/files/usr/sbin/sipb-xen-lvcopy
===================================================================
--- /trunk/packages/sipb-xen-guest-installer/files/usr/sbin/sipb-xen-lvcopy	(revision 527)
+++ /trunk/packages/sipb-xen-guest-installer/files/usr/sbin/sipb-xen-lvcopy	(revision 528)
@@ -7,4 +7,9 @@
 import time
 from subprocess import call, check_call, Popen, PIPE
+
+# Make sure to use up fd 0 to avoid a bug in subprocess in Python <= 2.5.1
+# NB we need to do this on every Python remctl script.
+# See r53624 in Python svn.
+sys.stdin = open('/dev/null')
 
 def losetup(source, offset=0):