From owner-freebsd-stable@freebsd.org Wed Sep 14 21:43:07 2016 Return-Path: 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 E97F8B96C0A for ; Wed, 14 Sep 2016 21:43:07 +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 D6A5A107A for ; Wed, 14 Sep 2016 21:43:07 +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 7D26A1734C; Wed, 14 Sep 2016 14:43:06 -0700 (PDT) Date: Wed, 14 Sep 2016 14:43:06 -0700 From: hiren panchasara To: Slawa Olhovchenkov Cc: freebsd-stable@FreeBSD.org Subject: Re: 11.0 stuck on high network load Message-ID: <20160914214306.GU9397@strugglingcoder.info> References: <20160904215739.GC22212@zxy.spb.ru> <20160905014612.GA42393@strugglingcoder.info> <20160914213503.GJ2840@zxy.spb.ru> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="xi8lRpXYeGgNnUjs" Content-Disposition: inline In-Reply-To: <20160914213503.GJ2840@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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Sep 2016 21:43:08 -0000 --xi8lRpXYeGgNnUjs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 09/15/16 at 12:35P, Slawa Olhovchenkov wrote: > On Sun, Sep 04, 2016 at 06:46:12PM -0700, hiren panchasara wrote: >=20 > > 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? > >=20 > > Can you panic it from console to get to db> to get backtrace and other > > info when it goes unresponsive? >=20 > ipmi console don't respond (chassis power diag don't react) > login on sol console stuck on *tcp. I assume you tried ~^b (tilda followed by ctrl+b) without success? That usually drops into db> I am also fighting an issue where upon said keystrokes, I see=20 "KDB: enter: Break to debugger" but it doesn't drop to db> At that point I have to 'ipmitool blah power reset' the box. Cheers, Hiren --xi8lRpXYeGgNnUjs Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAABCgBmBQJX2cRmXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRBNEUyMEZBMUQ4Nzg4RjNGMTdFNjZGMDI4 QjkyNTBFMTU2M0VERkU1AAoJEIuSUOFWPt/lF3QH/RDnMatewC1kNve/TT5NQJEJ /prEfbRYB3yQv9d9D3SxDuxELecbosoIaPNohW1VmNq8vC+ctuBgy3NupgcfAhw5 CJcRhn3MgpZT+i04dBBkCTA0BpCUCfZ2jmme/HCzp5AGaNZy/aHCkBlDqC7PbC/i sFmrN/L5jFVAKS9SRuRCRcTma14iMuD8ZzxdiwobEc4Lpa/geuF49n70DiiGA1mm 9z7ouEMZvAqTlj/fyMSEO9GlAcJy6WGVBvOCyiOIm0Rb9t2Bw+pycq0YA3Wjuy6X yoo4FRHU3ItR72/cNGZhosHTKvKEKoO8f5+sFvsKpta0eF3J84UMN6W9+IA88+w= =PUtd -----END PGP SIGNATURE----- --xi8lRpXYeGgNnUjs--