Index: sys/dev/msk/if_msk.c
===================================================================
--- sys/dev/msk/if_msk.c	(revision 207572)
+++ sys/dev/msk/if_msk.c	(working copy)
@@ -2904,20 +2904,15 @@
 	sc = device_get_softc(dev);
 	MSK_LOCK(sc);
 	for (i = 0; i < sc->msk_num_port; i++) {
-		if (sc->msk_if[i] != NULL)
+		if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
+		    ((sc->msk_if[i]->msk_ifp->if_drv_flags &
+		    IFF_DRV_RUNNING) != 0))
 			msk_stop(sc->msk_if[i]);
 	}
+	MSK_UNLOCK(sc);
 
-	/* Disable all interrupts. */
-	CSR_WRITE_4(sc, B0_IMSK, 0);
-	CSR_READ_4(sc, B0_IMSK);
-	CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
-	CSR_READ_4(sc, B0_HWE_IMSK);
-
 	/* Put hardware reset. */
 	CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
-
-	MSK_UNLOCK(sc);
 	return (0);
 }
 
@@ -3525,6 +3520,8 @@
 			sc_if->msk_csum = status;
 			break;
 		case OP_RXSTAT:
+			if (!(sc_if->msk_ifp->if_drv_flags & IFF_DRV_RUNNING))
+				break;
 			if (sc_if->msk_framesize >
 			    (MCLBYTES - MSK_RX_BUF_ALIGN))
 				msk_jumbo_rxeof(sc_if, status, control, len);