Date: Tue, 24 Aug 2010 17:20:06 -0500 From: marek3@intranetplanet.com To: "Vladislav V. Prodan" <universite@ukr.net> Cc: freebsd-net@freebsd.org Subject: Re: Error: em0: Watchdog timeout -- resetting Message-ID: <90d617799b7eb9f41207b4d82f7b6254.squirrel@www.intranetplanet.com> In-Reply-To: <4C744053.6010403@ukr.net> References: <4C744053.6010403@ukr.net>
next in thread | previous in thread | raw e-mail | index | archive | help
I had the same issue six months ago with a test server. I did not find a
solution. I'm very much would like to see if you do find one. Thanks.
Marek
> The server is sometimes off the network card.
> It helps just to restart via KVM-IPMI.
>
> MotherBoard: X8SIL/X8SIL-F
> BIOS Version: 1.0c
> Build Date: 02/05/10
>
> OS: FreeBSD 8.1-RELEASE, FreeBSD 8.1-STABLE, FreeBSD 9.0-CURRENT
>
> What would you recommend to address the problem?
>
>
> # uname -a
> FreeBSD solo.XXX.biz 9.0-CURRENT FreeBSD 9.0-CURRENT #0: Tue Aug 24
> 15:52:21 EEST 2010 root@solo.XXX.biz:/usr/obj/usr/src/sys/solo.2
> amd64
>
> #pciconf -lv
> ...
> em0@pci0:2:0:0: class=0x020000 card=0x060515d9 chip=0x10d38086 rev=0x00
> hdr=0x00
> vendor = 'Intel Corporation'
> device = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
> class = network
> subclass = ethernet
> em1@pci0:3:0:0: class=0x020000 card=0x060515d9 chip=0x10d38086 rev=0x00
> hdr=0x00
> vendor = 'Intel Corporation'
> device = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
> class = network
> subclass = ethernet
> ...
>
> In /usr/src/sys/dev/e1000/if_em.c:
>
> static void
> em_local_timer(void *arg)
> {
> struct adapter *adapter = arg;
> struct ifnet *ifp = adapter->ifp;
> struct tx_ring *txr = adapter->tx_rings;
>
> EM_CORE_LOCK_ASSERT(adapter);
>
> em_update_link_status(adapter);
> em_update_stats_counters(adapter);
>
> /* Reset LAA into RAR[0] on 82571 */
> if (e1000_get_laa_state_82571(&adapter->hw) == TRUE)
> e1000_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
>
> /*
> ** Check for time since any descriptor was cleaned
> */
> for (int i = 0; i < adapter->num_queues; i++, txr++) {
> EM_TX_LOCK(txr);
> if (txr->watchdog_check == FALSE) {
> EM_TX_UNLOCK(txr);
> continue;
> }
> if ((ticks - txr->watchdog_time) > EM_WATCHDOG)
> goto hung;
> EM_TX_UNLOCK(txr);
> }
>
> callout_reset(&adapter->timer, hz, em_local_timer, adapter);
> return;
> hung:
> device_printf(adapter->dev, "Watchdog timeout -- resetting\n");
> ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
> adapter->watchdog_events++;
> EM_TX_UNLOCK(txr);
> em_init_locked(adapter);
> }
>
> Someone will finish the piece for debugging, to further diagnose the
> error?
>
> _______________________________________________
> freebsd-net@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?90d617799b7eb9f41207b4d82f7b6254.squirrel>