diff -uar /usr/lib/pm-utils/functions.orig /usr/lib/pm-utils/functions
--- /usr/lib/pm-utils/functions.orig	2009-02-02 15:00:52.000000000 +0100
+++ /usr/lib/pm-utils/functions	2009-02-02 15:04:34.000000000 +0100
@@ -120,13 +120,21 @@
 
 do_suspend()
 {
-	pm-pmu --suspend || echo -n "mem" > /sys/power/state
+	if [ -x /usr/sbin/hibernate-ram ]; then
+		/usr/sbin/hibernate-ram
+	else
+		pm-pmu --suspend || echo -n "mem" > /sys/power/state
+	fi
 }
 
 do_hibernate()
 {
-	echo -n "platform" > /sys/power/disk
-	echo -n "disk" > /sys/power/state
+	if [ -x /usr/sbin/hibernate ]; then
+		/usr/sbin/hibernate
+	else
+		echo -n "platform" > /sys/power/disk
+		echo -n "disk" > /sys/power/state
+	fi
 }
 
 do_suspend_hybrid()