From owner-freebsd-current@FreeBSD.ORG Thu Jul 19 14:51:40 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E7E3A16A402 for ; Thu, 19 Jul 2007 14:51:40 +0000 (UTC) (envelope-from gallatin@cs.duke.edu) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.freebsd.org (Postfix) with ESMTP id AC72213C441 for ; Thu, 19 Jul 2007 14:51:40 +0000 (UTC) (envelope-from gallatin@cs.duke.edu) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.14.0/8.14.0) with ESMTP id l6JEpeFT022475 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 19 Jul 2007 10:51:40 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.12.9p2/8.12.9/Submit) id l6JEpB8S078416; Thu, 19 Jul 2007 10:51:11 -0400 (EDT) (envelope-from gallatin) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Message-ID: <18079.31350.366410.316438@grasshopper.cs.duke.edu> Date: Thu, 19 Jul 2007 10:51:11 -0400 (EDT) To: =?iso-8859-1?Q?St=E5le?= Kristoffersen In-Reply-To: <20070716233600.GC19282@eschew.pusen.org> References: <20070716190441.GA19282@eschew.pusen.org> <20070716213425.GB19282@eschew.pusen.org> <20070716233600.GC19282@eschew.pusen.org> X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Cc: current@freebsd.org Subject: Re: Slow networkperformance in current? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Jul 2007 14:51:41 -0000 St=E5le Kristoffersen writes: > On 2007-07-16 at 15:53, Kip Macy wrote: > > Please post the config you are using. >=20 > lrwxr-xr-x 1 root wheel 2B Apr 12 15:42 /etc/malloc.conf -> aj= >=20 > /etc/sysctl.conf: > vfs.vmiodirenable=3D1 > net.inet.tcp.delayed_ack=3D0 > net.inet.ip.forwarding=3D1 > net.inet.tcp.inflight.enable=3D0 >=20 > (I have tried commenting out all those lines, no difference. You definately want to comment out at least net.inet.tcp.delayed_ack=3D= 0 Try temporarily setting net.inet.tcp.sendbuf_auto=3D0 and net.inet.tcp.recvbuf_auto=3D0 and see if that changes anything. I've seen strange issues with IPv6 and the automatic buffer sizing, perhaps you're somehow running into the same thing with IPv4. Drew