Give mdconfig a couple of seconds to deconfigure in case debugging is being

printed to a serial console.

Reverse the order of args to diff to make it more logical.

tools/regression/geom/RunTest.sh

@@ -14,6 +14,12 @@ for f in Data/disk.*.xml
 do
 	b=`basename $f`
 	mdconfig -d -u $MD > /dev/null 2>&1 || true
+	if [ -c /dev/md$MD ] ; then
+		sleep 1
+	fi
+	if [ -c /dev/md$MD ] ; then
+		sleep 1
+	fi
 	if [ -c /dev/md$MD ] ; then
 		echo "/dev/md$MD is busy" 1>&2
 		exit 1
@@ -21,7 +27,7 @@ do
 	MdLoad/MdLoad md${MD} $f
 	if [ -f Ref/$b ] ; then
 		if diskinfo /dev/md${MD}* | 
-		   diff -I '$FreeBSD' -u - Ref/$b > $TMP; then
+		   diff -I '$FreeBSD' -u Ref/$b - > $TMP; then
 			echo "PASSED: $b"
 		else
 			echo "FAILED: $b"