diff --git a/tools/regression/geom_eli/configure-b-B.t b/tools/regression/geom_eli/configure-b-B.t
new file mode 100644
index 00000000000..b58138bcb3a
--- /dev/null
+++ b/tools/regression/geom_eli/configure-b-B.t
@@ -0,0 +1,130 @@
+#!/bin/sh
+# $FreeBSD$
+
+base=`basename $0`
+no=45
+sectors=100
+mdconfig -a -t malloc -s `expr $sectors + 1` -u $no || exit 1
+
+echo "1..17"
+
+geli init -P -K /dev/null md${no}
+if [ $? -eq 0 ]; then
+	echo "ok 1"
+else
+	echo "not ok 1"
+fi
+
+geli dump md${no} | egrep 'flags: 0x0$' >/dev/null
+if [ $? -eq 0 ]; then
+	echo "ok 2"
+else
+	echo "not ok 2"
+fi
+
+geli init -b -P -K /dev/null md${no}
+if [ $? -eq 0 ]; then
+	echo "ok 3"
+else
+	echo "not ok 3"
+fi
+
+geli dump md${no} | egrep 'flags: 0x2$' >/dev/null
+if [ $? -eq 0 ]; then
+	echo "ok 4"
+else
+	echo "not ok 4"
+fi
+
+geli configure -B md${no}
+if [ $? -eq 0 ]; then
+	echo "ok 5"
+else
+	echo "not ok 5"
+fi
+
+geli dump md${no} | egrep 'flags: 0x0$' >/dev/null
+if [ $? -eq 0 ]; then
+	echo "ok 6"
+else
+	echo "not ok 6"
+fi
+
+geli configure -b md${no}
+if [ $? -eq 0 ]; then
+	echo "ok 7"
+else
+	echo "not ok 7"
+fi
+
+geli dump md${no} | egrep 'flags: 0x2$' >/dev/null
+if [ $? -eq 0 ]; then
+	echo "ok 8"
+else
+	echo "not ok 8"
+fi
+
+geli attach -p -k /dev/null md${no}
+if [ $? -eq 0 ]; then
+	echo "ok 9"
+else
+	echo "not ok 9"
+fi
+
+geli list md${no}.eli | egrep '^Flags: .*BOOT' >/dev/null
+if [ $? -eq 0 ]; then
+	echo "ok 10"
+else
+	echo "not ok 10"
+fi
+
+geli configure -B md${no}
+if [ $? -eq 0 ]; then
+	echo "ok 11"
+else
+	echo "not ok 11"
+fi
+
+geli list md${no}.eli | egrep '^Flags: .*BOOT' >/dev/null
+if [ $? -ne 0 ]; then
+	echo "ok 12"
+else
+	echo "not ok 12"
+fi
+
+geli dump md${no} | egrep 'flags: 0x0$' >/dev/null
+if [ $? -eq 0 ]; then
+	echo "ok 13"
+else
+	echo "not ok 13"
+fi
+
+geli configure -b md${no}
+if [ $? -eq 0 ]; then
+	echo "ok 14"
+else
+	echo "not ok 14"
+fi
+
+geli list md${no}.eli | egrep '^Flags: .*BOOT' >/dev/null
+if [ $? -eq 0 ]; then
+	echo "ok 15"
+else
+	echo "not ok 15"
+fi
+
+geli dump md${no} | egrep 'flags: 0x2$' >/dev/null
+if [ $? -eq 0 ]; then
+	echo "ok 16"
+else
+	echo "not ok 16"
+fi
+
+geli detach md${no}
+if [ $? -eq 0 ]; then
+	echo "ok 17"
+else
+	echo "not ok 17"
+fi
+
+mdconfig -d -u $no