From owner-freebsd-net@FreeBSD.ORG Mon Jan 16 18:28:26 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 122071065670 for ; Mon, 16 Jan 2012 18:28:26 +0000 (UTC) (envelope-from nitroboost@gmail.com) Received: from mail-tul01m020-f182.google.com (mail-tul01m020-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id D08918FC14 for ; Mon, 16 Jan 2012 18:28:25 +0000 (UTC) Received: by obcwo16 with SMTP id wo16so1841284obc.13 for ; Mon, 16 Jan 2012 10:28:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=n2qiTEyrocucvSa3yUo1tM/0X1lw/xgpbbKCyweREho=; b=KkIz/6RBDaD6AO0oVDFFI3VTR0EVAlMiYUNtUYUkvKMeJOkRtEZqSMnGlzVpmnvBVF MUNoki1kC4AzzBLl6JoXWsjW8ZmEzdwjI6NSUe0h3owvKFOv8JVF3fbxdy1hBTy06NXj s4J7Qe4m1JK3v/V//ZXBwDHeV98FSbfTX0WDo= MIME-Version: 1.0 Received: by 10.182.74.97 with SMTP id s1mr11960922obv.42.1326737127241; Mon, 16 Jan 2012 10:05:27 -0800 (PST) Received: by 10.182.225.100 with HTTP; Mon, 16 Jan 2012 10:05:27 -0800 (PST) In-Reply-To: <4F13265C.1040200@zonov.org> References: <4F13265C.1040200@zonov.org> Date: Mon, 16 Jan 2012 11:05:27 -0700 Message-ID: From: Jason Wolfe To: Andrey Zonov Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 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 18:28:26 -0000 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" >