diff -Nru sysvinit-2.88dsf/debian/changelog sysvinit-2.88dsf/debian/changelog
--- sysvinit-2.88dsf/debian/changelog	2015-06-12 16:12:13.000000000 +0000
+++ sysvinit-2.88dsf/debian/changelog	2016-02-17 04:49:46.000000000 +0000
@@ -1,3 +1,9 @@
+sysvinit (2.88dsf-41ubuntu6.3) trusty; urgency=medium
+
+  * Adjust sampling_down_factor to 100 on ppc64 kernels (LP: #1483586)
+
+ -- Adam Conrad <adconrad@ubuntu.com>  Thu, 15 Oct 2015 20:43:12 -0600
+
 sysvinit (2.88dsf-41ubuntu6.2) trusty; urgency=medium
 
   * Break the dependency loop with upstart by dropping the upstart dependency
diff -Nru sysvinit-2.88dsf/debian/src/initscripts/etc/init.d/ondemand sysvinit-2.88dsf/debian/src/initscripts/etc/init.d/ondemand
--- sysvinit-2.88dsf/debian/src/initscripts/etc/init.d/ondemand	2015-03-13 15:02:09.000000000 +0000
+++ sysvinit-2.88dsf/debian/src/initscripts/etc/init.d/ondemand	2016-02-17 04:49:26.000000000 +0000
@@ -17,6 +17,7 @@
 . /lib/lsb/init-functions
 
 AVAILABLE="/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors"
+DOWN_FACTOR="/sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor"
 
 case "$1" in
     start)
@@ -34,6 +35,11 @@
 			;;
 		*ondemand*)
 			GOVERNOR="ondemand"
+			case $(uname -m) in
+				ppc64*)
+					SAMPLING=100
+				;;
+			esac
 			break
 			;;
 		*powersave*)
@@ -50,6 +56,9 @@
 		[ -f $CPUFREQ ] || continue
 		echo -n $GOVERNOR > $CPUFREQ
 	done
+	if [ -n "$SAMPLING" ] && [ -f $DOWN_FACTOR ]; then
+		echo -n $SAMPLING > $DOWN_FACTOR
+	fi
 	;;
     restart|reload|force-reload)
         echo "Error: argument '$1' not supported" >&2