From owner-freebsd-stable@freebsd.org  Thu Sep 15 08:59:43 2016
Return-Path: <owner-freebsd-stable@freebsd.org>
Delivered-To: freebsd-stable@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id D57DBBDCB0B
 for <freebsd-stable@mailman.ysv.freebsd.org>;
 Thu, 15 Sep 2016 08:59:43 +0000 (UTC)
 (envelope-from kostikbel@gmail.com)
Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1])
 (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 549FE1BC8
 for <freebsd-stable@FreeBSD.org>; Thu, 15 Sep 2016 08:59:43 +0000 (UTC)
 (envelope-from kostikbel@gmail.com)
Received: from tom.home (kib@localhost [127.0.0.1])
 by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id u8F8xcSu046655
 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO);
 Thu, 15 Sep 2016 11:59:39 +0300 (EEST)
 (envelope-from kostikbel@gmail.com)
DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua u8F8xcSu046655
Received: (from kostik@localhost)
 by tom.home (8.15.2/8.15.2/Submit) id u8F8xcq4046654;
 Thu, 15 Sep 2016 11:59:38 +0300 (EEST)
 (envelope-from kostikbel@gmail.com)
X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com
 using -f
Date: Thu, 15 Sep 2016 11:59:38 +0300
From: Konstantin Belousov <kostikbel@gmail.com>
To: Slawa Olhovchenkov <slw@zxy.spb.ru>
Cc: freebsd-stable@FreeBSD.org
Subject: Re: 11.0 stuck on high network load
Message-ID: <20160915085938.GN38409@kib.kiev.ua>
References: <20160904215739.GC22212@zxy.spb.ru>
 <20160905014612.GA42393@strugglingcoder.info>
 <20160914213503.GJ2840@zxy.spb.ru>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20160914213503.GJ2840@zxy.spb.ru>
User-Agent: Mutt/1.6.1 (2016-04-27)
X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00,
 DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no
 autolearn_force=no version=3.4.1
X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-stable>, 
 <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 15 Sep 2016 08:59:43 -0000

On Thu, Sep 15, 2016 at 12:35:04AM +0300, Slawa Olhovchenkov wrote:
> On Sun, Sep 04, 2016 at 06:46:12PM -0700, hiren panchasara wrote:
> 
> > On 09/05/16 at 12:57P, Slawa Olhovchenkov wrote:
> > > I am try using 11.0 on Dual E5-2620 (no X2APIC).
> > > Under high network load and may be addtional conditional system go to
> > > unresponsible state -- no reaction to network and console (USB IPMI
> > > emulation). INVARIANTS give to high overhad. Is this exist some way to
> > > debug this?
> > 
> > Can you panic it from console to get to db> to get backtrace and other
> > info when it goes unresponsive?
> 
> ipmi console don't respond (chassis power diag don't react)
> login on sol console stuck on *tcp.

Is 'login' you reference is the ipmi client state, or you mean login(1)
on the wedged host ?

If BMC stops responding simultaneously with the host, I would suspect
the hardware platform issues instead of a software problem.  Do you have
dedicated LAN port for BMC ?