On Tue, Jul 09, 2013 at 02:05:30PM +0000, dcx dcy wrote:
> Hi all,
>
> I am having an issue where my hme0 interface is always turning up
> and down with dhclient requesting a lease.
>
>
>
> I am thinking this could be the same issue described by Jeremy Chadwick on
> June 9th:
>
> http://lists.freebsd.org/pipermail/freebsd-stable/2013-June/073711.html
>
>
>
> Everything was fine on 8.2-STABLE and older versions.
>
>
>
> It was then upgraded directly to 9.0-STABLE and this is where I started
> having issuesÂ.
>
>
>
> I am currently running 9.1-STABLE (July 7th) and issue persists.
>
>
>
> This is a Sun Netra T1 acting as my home gateway, hme0 is connected to a
> Cisco switch.
>
> I am normally using DHCP to get an ip from my ISP.
>
>
>
> For now, the only way it works is to set a static ip (I tried different
> dhclient options ... sync, etc).
>
>
>
> hme1 and ath0 (AR5413) is serving internal network.
>
Try attached patch and let me know whether it makes any difference
for you.
Index: sys/dev/hme/if_hme.c
===================================================================
--- sys/dev/hme/if_hme.c (revision 253125)
+++ sys/dev/hme/if_hme.c (working copy)
@@ -742,6 +742,10 @@ hme_init_locked(struct hme_softc *sc)
u_int32_t n, v;
HME_LOCK_ASSERT(sc, MA_OWNED);
+
+ if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
+ return;
+
/*
* Initialization sequence. The numbered steps below correspond
* to the sequence outlined in section 6.3.5.1 in the Ethernet
@@ -1324,6 +1328,7 @@ hme_eint(struct hme_softc *sc, u_int status)
/* check for fatal errors that needs reset to unfreeze DMA engine */
if ((status & HME_SEB_STAT_FATAL_ERRORS) != 0) {
HME_WHINE(sc->sc_dev, "error signaled, status=%#x\n", status);
+ sc->sc_ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
hme_init_locked(sc);
}
}
@@ -1370,6 +1375,7 @@ hme_watchdog(struct hme_softc *sc)
device_printf(sc->sc_dev, "device timeout (no link)\n");
++ifp->if_oerrors;
+ ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
hme_init_locked(sc);
hme_start_locked(ifp);
return (EJUSTRETURN);
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