Index: sys/dev/cxgbe/t4_main.c
===================================================================
--- sys/dev/cxgbe/t4_main.c
+++ sys/dev/cxgbe/t4_main.c
@@ -1097,6 +1097,9 @@
 	if (num_vis > 1) {
 		s->nnmrxq = nports * (num_vis - 1) * iaq.nnmrxq_vi;
 		s->nnmtxq = nports * (num_vis - 1) * iaq.nnmtxq_vi;
+	} else {
+		s->nnmrxq = nports * iaq.nnmrxq_vi;
+		s->nnmtxq = nports * iaq.nnmtxq_vi;
 	}
 	s->neq += s->nnmtxq + s->nnmrxq;
 	s->niq += s->nnmrxq;
@@ -1184,7 +1187,7 @@
 			ofld_rqidx += vi->nofldrxq;
 #endif
 #ifdef DEV_NETMAP
-			if (j > 0) {
+			if ((pi->nvi == 1) || (pi->nvi > 1 && j > 0)) {
 				vi->first_nm_rxq = nm_rqidx;
 				vi->first_nm_txq = nm_tqidx;
 				vi->nnmrxq = iaq.nnmrxq_vi;
@@ -2998,8 +3001,12 @@
 
 	iaq->nirq = extra;
 	iaq->nirq += nports * (iaq->nrxq + iaq->nofldrxq);
-	iaq->nirq += nports * (iaq->num_vis - 1) *
-	    max(iaq->nrxq_vi, iaq->nnmrxq_vi);
+	if (iaq->num_vis > 1) {
+		iaq->nirq += nports * (iaq->num_vis - 1) *
+		    max(iaq->nrxq_vi, iaq->nnmrxq_vi);
+	} else {
+		iaq->nirq += nports * iaq->nnmrxq_vi;
+	}
 	iaq->nirq += nports * (iaq->num_vis - 1) * iaq->nofldrxq_vi;
 }