From owner-freebsd-stable@freebsd.org Wed Sep 14 22:04:21 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 7D882BDA409 for ; Wed, 14 Sep 2016 22:04:21 +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 6F4171F83 for ; Wed, 14 Sep 2016 22:04:20 +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 5EC8717380; Wed, 14 Sep 2016 15:04:20 -0700 (PDT) Date: Wed, 14 Sep 2016 15:04:20 -0700 From: hiren panchasara To: Slawa Olhovchenkov Cc: freebsd-stable@FreeBSD.org Subject: Re: 11.0 stuck on high network load Message-ID: <20160914220420.GW9397@strugglingcoder.info> References: <20160904215739.GC22212@zxy.spb.ru> <20160905014612.GA42393@strugglingcoder.info> <20160914213503.GJ2840@zxy.spb.ru> <20160914214306.GU9397@strugglingcoder.info> <20160914215714.GK2840@zxy.spb.ru> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="35rzUHtxHARXKmYf" Content-Disposition: inline In-Reply-To: <20160914215714.GK2840@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 22:04:21 -0000 --35rzUHtxHARXKmYf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 09/15/16 at 12:57P, Slawa Olhovchenkov wrote: > On Wed, Sep 14, 2016 at 02:43:06PM -0700, hiren panchasara wrote: >=20 > > 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 g= o to > > > > > unresponsible state -- no reaction to network and console (USB IP= MI > > > > > emulation). INVARIANTS give to high overhad. Is this exist some w= ay to > > > > > debug this? > > > >=20 > > > > Can you panic it from console to get to db> to get backtrace and ot= her > > > > info when it goes unresponsive? > > >=20 > > > ipmi console don't respond (chassis power diag don't react) > > > login on sol console stuck on *tcp. > >=20 > > I assume you tried ~^b (tilda followed by ctrl+b) without success? >=20 > ~B, as in man ipmitool No, not shift-b but ctrl-b. I am not aware of ipmitool reference. On unresponsive console, try ~^b (tilda followed by ctrl+b) >=20 > > That usually drops into db> >=20 > May be now need some sysctl for enable this? There is a sysctl for this too but on console, the keystrokes I said should work, imo. Cheers, Hiren --35rzUHtxHARXKmYf Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAABCgBmBQJX2clkXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRBNEUyMEZBMUQ4Nzg4RjNGMTdFNjZGMDI4 QjkyNTBFMTU2M0VERkU1AAoJEIuSUOFWPt/lQjoH/0QMS4+dHSN2H3Ean0aJ4noz BnarS4LzatJfuJlGqXVvCRLUCTIwcw4BSoTQpW2LqgMcFvmcnCpUXu6DoSQuq++J MVbPZ9gqB5zGv6sh9uoa974meGKxBz60UaZstfSfzsvnqcQf8mnp1/JtrL90G1ed JKLy0prGjUge9Im4pMx7M3rsnCQakoNWgrfnVbRjOWIA+uqllNd5iBXi7Q7zAsRn D4RWATZOJkUH3xrgchTZUXspLUZYQ8HYGzRcIqdCOsk5ChpS+R3EOfdzeGYoRHEn 0qF1TTvt3Y0KrnMMtKU2V2VZlVgo2wi5mCU8uo6w2h2LlrQyV89ld7oRBk6dIxY= =N9WX -----END PGP SIGNATURE----- --35rzUHtxHARXKmYf--