diff --git a/tools/domain_builder/dom_builder.c b/tools/domain_builder/dom_builder.c
index d2df002a67..18bc643734 100644
--- a/tools/domain_builder/dom_builder.c
+++ b/tools/domain_builder/dom_builder.c
@@ -474,7 +474,10 @@ int main(int argc, char **argv)
     if(launch_domain(meminfo) != 0)
 	ret = -1;
 
-    free(meminfo);
+    
 out:
-    return ret;
+    if( ret >= 0 )
+       return meminfo->domain;
+    else 
+       return ret;
 }
diff --git a/tools/domain_builder/newdom b/tools/domain_builder/newdom
index 979661ec26..3b0612638c 100644
--- a/tools/domain_builder/newdom
+++ b/tools/domain_builder/newdom
@@ -1,17 +1,30 @@
 #!/bin/sh
 
+# newdom <size> <image> <ip> <root details>  
+# newdom 262144 ../../../xenolinux-2.4.16-kdb/arch/xeno/boot/image 128.232.35.240 root=/dev/nfs nfsroot=/usr/groups/srgboot/xxx/roots/root0
+# newdom 262144 ../../../xenolinux-2.4.16-kdb/arch/xeno/boot/image 128.232.35.240 root=/dev/xhda7 
+
+
 VIFINIT=./vifinit
 DOM_BUILDER=./domain_builder
 
-DOM=$2
+SIZE=${1:?"size missing"}
+IMAGE=${2:?"image missing"}
+IP=${3:?"IP missing"}
 
-ADDR=`/sbin/ifconfig eth0 | grep inet.addr | sed -e 's/.*inet addr:\([0-9.]*\) .*/\1/'`
+shift; shift; shift
 
-LO=`echo $ADDR | sed -e 's/[0-9]\+\.[0-9]\+\.[0-9]\+\.\([0-9]\+\)/\1/'`
-HI=`echo $ADDR | sed -e 's/\([0-9]\+\.[0-9]\+\.[0-9]\+\)\.[0-9]\+/\1/'`
+echo ARGS $*
 
-NEWADDR=$HI.$[LO+DOM]
+$DOM_BUILDER $SIZE $IMAGE 1 ro ip=$IP:128.232.32.20:128.232.32.1:255.255.240.0::eth0:off $*
+DOM=$?
+
+echo DOM= $DOM
+
+VIF=`cat /proc/xeno/dom$DOM/vif`
+
+echo VIF= $VIF
+
+$VIFINIT $VIF $IP
 
-$VIFINIT $DOM $NEWADDR
 
-$DOM_BUILDER 16000 $1 1
diff --git a/tools/domain_builder/vifinit b/tools/domain_builder/vifinit
old mode 100644
new mode 100755