From owner-freebsd-stable@FreeBSD.ORG Thu Nov 24 22:38:18 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 384B2106564A for ; Thu, 24 Nov 2011 22:38:18 +0000 (UTC) (envelope-from kristoph.bauer@gmail.com) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id F140E8FC14 for ; Thu, 24 Nov 2011 22:38:17 +0000 (UTC) Received: by iakl21 with SMTP id l21so5481749iak.13 for ; Thu, 24 Nov 2011 14:38:17 -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=D6QNEo//b0WvwwXT1QPVuK//3Dn5Us17CgzbX8fpEto=; b=d+yrV6EI/reNPgN3SsVPEI0CSDqsZymLo/STR3t7erx6aOHodaJfkoHJ1A0czxXr+U ppqJuvx681pk/IPbUWy47buo/yFEipKkZ2NNxHA1oqw+lQTXzczHK5EFcdfZkRhPvb78 ocNyW8tsqaRKjBVVWIxg6DbNHazEbiWYUmO0Y= MIME-Version: 1.0 Received: by 10.43.53.1 with SMTP id vo1mr10145507icb.2.1322174296889; Thu, 24 Nov 2011 14:38:16 -0800 (PST) Received: by 10.50.34.167 with HTTP; Thu, 24 Nov 2011 14:38:16 -0800 (PST) In-Reply-To: <1A5B3A48-7DF3-4018-A244-152BDE96299A@lassitu.de> References: <4ECE9914.6020502@turing.b2n.org> <1A5B3A48-7DF3-4018-A244-152BDE96299A@lassitu.de> Date: Thu, 24 Nov 2011 16:38:16 -0600 Message-ID: From: Kris Bauer To: Stefan Bethke Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: "freebsd-stable@freebsd.org List" Subject: Re: TCP Reassembly Issues X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Nov 2011 22:38:18 -0000 On Thu, Nov 24, 2011 at 4:06 PM, Stefan Bethke wrote: > Am 24.11.2011 um 21:30 schrieb Kris Bauer: > > > On Thu, Nov 24, 2011 at 1:20 PM, Raul wrote: > > > > I am seeing the same sorts of things in netstat & vmstat: > > > > # netstat -s -p tcp |grep mem > > 742935 discarded due to memory problems > > > > # vmstat -z |grep tcpreass > > tcpreass: 40, 16464, 16340, 124, 131485,955443, 0 > > Same here: > root@diesel:~# netstat -s -p tcp |grep mem > 529211 discarded due to memory problems > root@diesel:~# vmstat -z |grep tcpreass > tcpreass: 40, 1680, 1679, 1, 118846,831450, 0 > root@diesel:~# uname -a > FreeBSD diesel.lassitu.de 9.0-PRERELEASE FreeBSD 9.0-PRERELEASE #20: Fri > Nov 18 21:57:59 CET 2011 root@diesel.lassitu.de:/usr/obj/usr/src/sys/DIESEL > amd64 > root@diesel:~# uptime > 11:01PM up 5 days, 23:15, 1 user, load averages: 0.14, 0.04, 0.01 > root@diesel:~# svn info /usr/src > Path: /usr/src > Working Copy Root Path: /usr/src > URL: http://mirror.hanse.de/svn/freebsd/base/stable/9 > Repository Root: http://mirror.hanse.de/svn/freebsd/base > Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f > Revision: 227665 > Node Kind: directory > Schedule: normal > Last Changed Author: fabient > Last Changed Rev: 227664 > Last Changed Date: 2011-11-18 15:41:48 +0100 (Fri, 18 Nov 2011) > > I regularly copy large files off my Tivo trans-atlantic (125ms RTT), and > TCP connections currently stall after about 500 megs, never recovering. I > suspect this is connected, as it started immediately after upgrading the > machine to 9-stable. > > As far as I can tell, the problem does not exist with 8-stable. > > > Stefan > > -- > Stefan Bethke Fon +49 151 14070811 > > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > 100-150ms RTT trans-atlantic transfers is what I saw (largely) driving up the reass.cursegments value.