From owner-freebsd-net@FreeBSD.ORG Mon Jan 16 18:58:23 2012 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D462F106566C for ; Mon, 16 Jan 2012 18:58:23 +0000 (UTC) (envelope-from andrey@zonov.org) Received: from mail-bk0-f54.google.com (mail-bk0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id 609B58FC0C for ; Mon, 16 Jan 2012 18:58:22 +0000 (UTC) Received: by bke17 with SMTP id 17so1108016bke.13 for ; Mon, 16 Jan 2012 10:58:22 -0800 (PST) Received: by 10.205.121.139 with SMTP id gc11mr4040131bkc.26.1326739860025; Mon, 16 Jan 2012 10:51:00 -0800 (PST) Received: from [10.254.254.77] (ppp95-165-131-163.pppoe.spdop.ru. [95.165.131.163]) by mx.google.com with ESMTPS id ig13sm9174380bkc.9.2012.01.16.10.50.59 (version=SSLv3 cipher=OTHER); Mon, 16 Jan 2012 10:50:59 -0800 (PST) Message-ID: <4F14718E.3020203@zonov.org> Date: Mon, 16 Jan 2012 22:50:54 +0400 From: Andrey Zonov User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.8.1.24) Gecko/20100228 Thunderbird/2.0.0.24 Mnenhy/0.7.6.0 MIME-Version: 1.0 To: Jason Wolfe References: <4F13265C.1040200@zonov.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org Subject: Re: em loses link after IPMI reset X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Jan 2012 18:58:23 -0000 Hi, No, these are ASUS machines (Z8NR-D12 with ASMB4-iKVM). My Supermicro machines have igb NICs, they don't lose link when BMC is resetting. On 16.01.2012 22:05, Jason Wolfe wrote: > Andrey, > > Are you running Supermicro hardware by chance? We had a very similar > issue that was caused by a buggy version of the IPMI firmware on a good > number of machines with the same 82574 chips. At any rate, might give > the IPMI update a try and see if that changes the behavior at all. > > Jason > > On Sun, Jan 15, 2012 at 12:17 PM, Andrey Zonov > wrote: > > Hi, > > I have a few boxes with Intel 82574L NIC that run under 8.2-STABLE. > After execution `ipmitool mc reset cold' NIC loses link and after > negotiation it sets 100TX media type (normal is 1000T). Under Linux > on the same box this problem doesn't occur, after BMC reset driver > doesn't lose link. > > It seems that em driver sets (or doesn't set) some IPMI relied > registers. In Linux there is some magic about 82574/82583 chips and > IPMI [1]. What do you think this is a solution for my problem or > this is about something else? > > > [1] > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=blob;f=drivers/net/ethernet/intel/e1000e/netdev.c;h=3911401ed65d59ceafe9b28080a6630f4adf6371;hb=HEAD#l2696 > > -- > Andrey Zonov > > _______________________________________________ > 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 > " > > -- Andrey Zonov