diff -up os-prober-1.53/os-prober.mdraidfix os-prober-1.53/os-prober
--- os-prober-1.53/os-prober.mdraidfix	2012-05-25 13:28:16.544374104 +0430
+++ os-prober-1.53/os-prober	2012-05-25 13:34:11.096941585 +0430
@@ -57,6 +57,11 @@ partitions () {
 		exit 0
 	fi
 
+	# Add MD RAID devices
+	if [ -f /proc/mdstat ] ; then
+		awk '/^md/ {printf "/dev/"$1"\n"}' /proc/mdstat
+	fi
+
 	# Also detect OSes on LVM volumes (assumes LVM is active)
 	if type lvs >/dev/null 2>&1; then
 		echo "$(LVM_SUPPRESS_FD_WARNINGS=1 log_output lvs --noheadings --separator : -o vg_name,lv_name |
@@ -113,7 +118,7 @@ grep "^/dev/" /proc/mounts | parse_proc_
 grep "^/dev/" /proc/swaps | parse_proc_swaps >"$OS_PROBER_TMP/swaps-map" || true
 : >"$OS_PROBER_TMP/raided-map"
 if [ -f /proc/mdstat ] ; then
-	grep "^md" /proc/mdstat | parse_proc_mdstat >"$OS_PROBER_TMP/raided-map" || true
+	grep "^md" /proc/mdstat | cut -d: -f2- | parse_proc_mdstat >"$OS_PROBER_TMP/raided-map" || true
 fi
 
 for partition in $(partitions); do