From owner-freebsd-stable@freebsd.org  Mon Sep  5 01:46:19 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 BE2C1A9D267
 for <freebsd-stable@mailman.ysv.freebsd.org>;
 Mon,  5 Sep 2016 01:46:19 +0000 (UTC)
 (envelope-from hiren@strugglingcoder.info)
Received: from mail.strugglingcoder.info (strugglingcoder.info
 [104.236.146.68]) by mx1.freebsd.org (Postfix) with ESMTP id A4A75E91
 for <freebsd-stable@FreeBSD.org>; Mon,  5 Sep 2016 01:46:19 +0000 (UTC)
 (envelope-from hiren@strugglingcoder.info)
Received: from localhost (unknown [10.1.1.3])
 (Authenticated sender: hiren@strugglingcoder.info)
 by mail.strugglingcoder.info (Postfix) with ESMTPA id 0E0F31769E;
 Sun,  4 Sep 2016 18:46:13 -0700 (PDT)
Date: Sun, 4 Sep 2016 18:46:12 -0700
From: hiren panchasara <hiren@strugglingcoder.info>
To: Slawa Olhovchenkov <slw@zxy.spb.ru>
Cc: freebsd-stable@FreeBSD.org
Subject: Re: 11.0 stuck on high network load
Message-ID: <20160905014612.GA42393@strugglingcoder.info>
References: <20160904215739.GC22212@zxy.spb.ru>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha512;
 protocol="application/pgp-signature"; boundary="sm4nu43k4a2Rpi4c"
Content-Disposition: inline
In-Reply-To: <20160904215739.GC22212@zxy.spb.ru>
User-Agent: Mutt/1.5.23 (2014-03-12)
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: Mon, 05 Sep 2016 01:46:19 -0000


--sm4nu43k4a2Rpi4c
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

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?

Cheers,
Hiren

--sm4nu43k4a2Rpi4c
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=
=ukjg
-----END PGP SIGNATURE-----

--sm4nu43k4a2Rpi4c--