Index: tests/sys/geom/class/mirror/component_selection.sh
===================================================================
--- tests/sys/geom/class/mirror/component_selection.sh
+++ tests/sys/geom/class/mirror/component_selection.sh
@@ -9,6 +9,8 @@
 }
 run_latest_genid_body()
 {
+	load_gmirror
+	load_gnop
 	. $(atf_get_srcdir)/conf.sh
 
 	f1=$(mktemp ${base}.XXXXXX)
@@ -130,4 +132,18 @@
 atf_init_test_cases()
 {
 	atf_add_test_case run_latest_genid
+}
+
+load_gmirror()
+{
+	if ! kldstat -q -m g_mirror; then
+		geom mirror load || atf_skip "could not load module for geom mirror"
+	fi
+}
+
+load_gnop()
+{
+	if ! kldstat -q -m g_nop; then
+		geom nop load || atf_skip "could not load module for geom nop"
+	fi
 }