Date: Mon, 30 Jan 2012 09:22:26 -0500 From: John Baldwin <jhb@freebsd.org> To: lev@freebsd.org Cc: jfv@freebsd.org, freebsd-net@freebsd.org Subject: Re: em0 hangs on 8-STABLE again Message-ID: <201201300922.26995.jhb@freebsd.org> In-Reply-To: <1076713525.20120129133839@serebryakov.spb.ru> References: <1076713525.20120129133839@serebryakov.spb.ru>
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On Sunday, January 29, 2012 4:38:39 am Lev Serebryakov wrote: > Hello, Freebsd-net. > > My home server lost connection on em0 this night again. It was > persistent problem some times ago, but with version 7.2.3 it is first > time, but with worse symptoms. > > It looks like undetected hardware hang-up: no packets could be sent > or received, and no any output in dmesg or log files. Interface > up/down with ifconfig and cable unplugging doesn't help: ifaces sees > all these changes, but no packets could be sent/received anyway. I > was forced to reboot server to make it work again. > > IT is rather old 8-STABLE (Oct 2011), but it sems, that last change > in e1000 for 8-STABLE was r223675, in Jun 2011, so it is "fresh" > sources (I don't believe, that r229147 is related). > > Output of `sysctl dev.em' when card is not working (but after some up/down > events) is attached. Can you grab two snapshots after sending some traffic to it? You have several non-zero error counters, but it would be good to see which ones are changing while you are in this state. -- John Baldwin
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