diff --git a/patches/systemvm/debian/config/root/func.sh b/patches/systemvm/debian/config/root/func.sh
index 4047a4047a6..86317a06843 100644
--- a/patches/systemvm/debian/config/root/func.sh
+++ b/patches/systemvm/debian/config/root/func.sh
@@ -42,7 +42,11 @@ getLockFile() {
 
     psline=`ps u $$`
     echo $psline > $__LOCKFILE
-
+    if [ ! -e $__LOCKFILE ]
+    then
+        return
+    fi
+    
     for i in `seq 1 $(($__TIMEOUT * 10))`
     do
         currlock=`ls -tr /tmp/$1-*.lock | head -n1`