--- /etc/pam.d/system-services.orig	2012-01-10 01:47:16.390303004 +0000
+++ /etc/pam.d/system-services	2012-01-10 01:48:18.180382303 +0000
@@ -1,7 +1,4 @@
 auth		sufficient	pam_permit.so
 account		include		system-auth
-session         optional        pam_loginuid.so
-session		required	pam_limits.so 
-session		required	pam_env.so 
-session		required	pam_unix.so 
-session		optional	pam_permit.so
+session		optional	pam_loginuid.so
+session		include		system-auth