--- g_part.c.orig	2015-11-18 11:46:35.151030000 +0700
+++ g_part.c	2015-12-04 20:38:39.960423000 +0700
@@ -1772,6 +1772,7 @@ g_part_ctlreq(struct gctl_req *req, stru
 	if (modifies && (gpp.gpp_parms & G_PART_PARM_GEOM)) {
 		table = gpp.gpp_geom->softc;
 		if (table != NULL && table->gpt_corrupt &&
+		    (g_debugflags & 16) == 0 &&
 		    ctlreq != G_PART_CTL_DESTROY &&
 		    ctlreq != G_PART_CTL_RECOVER) {
 			gctl_error(req, "%d table '%s' is corrupt",