Hello again,
This solves the problem, thanks to Matthew R. Dempsky.
Index: if_em.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_em.c,v
retrieving revision 1.185
diff -p -u -r1.185 if_em.c
--- if_em.c 15 Jun 2008 16:37:00 -0000 1.185
+++ if_em.c 7 Jul 2008 22:59:37 -0000
@@ -1394,7 +1394,7 @@ em_update_link_status(struct em_softc *s
struct ifnet *ifp = &sc->interface_data.ac_if;
if (E1000_READ_REG(&sc->hw, STATUS) & E1000_STATUS_LU) {
- if (sc->link_active == 0) {
+ if (ifp->if_link_state != LINK_STATE_UP) {
em_get_speed_and_duplex(&sc->hw,
&sc->link_speed,
&sc->link_duplex);
@@ -1418,7 +1418,7 @@ em_update_link_status(struct em_softc *s
if_link_state_change(ifp);
}
} else {
- if (sc->link_active == 1) {
+ if (ifp->if_link_state != LINK_STATE_DOWN) {
ifp->if_baudrate = sc->link_speed = 0;
sc->link_duplex = 0;
sc->link_active = 0;