From owner-freebsd-questions@FreeBSD.ORG Wed Jul 20 19:16:43 2011 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4559D1065672 for ; Wed, 20 Jul 2011 19:16:43 +0000 (UTC) (envelope-from mwlucas@bewilderbeast.blackhelicopters.org) Received: from bewilderbeast.blackhelicopters.org (mwlucas-2-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:b9c::2]) by mx1.freebsd.org (Postfix) with ESMTP id D3F688FC08 for ; Wed, 20 Jul 2011 19:16:42 +0000 (UTC) Received: from bewilderbeast.blackhelicopters.org (localhost [127.0.0.1]) by bewilderbeast.blackhelicopters.org (8.14.4/8.14.4) with ESMTP id p6KJGeOu042832; Wed, 20 Jul 2011 15:16:41 -0400 (EDT) (envelope-from mwlucas@bewilderbeast.blackhelicopters.org) Received: (from mwlucas@localhost) by bewilderbeast.blackhelicopters.org (8.14.4/8.14.4/Submit) id p6KJGexS042831; Wed, 20 Jul 2011 15:16:40 -0400 (EDT) (envelope-from mwlucas) Date: Wed, 20 Jul 2011 15:16:40 -0400 From: "Michael W. Lucas" To: Eduardo Morras Message-ID: <20110720191640.GA42821@bewilderbeast.blackhelicopters.org> References: <20110720160432.GA41775@bewilderbeast.blackhelicopters.org> <4D6348DC01B1E406@> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4D6348DC01B1E406@> User-Agent: Mutt/1.4.2.3i X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (bewilderbeast.blackhelicopters.org [127.0.0.1]); Wed, 20 Jul 2011 15:16:42 -0400 (EDT) Cc: questions@freebsd.org Subject: Re: em0 NIC slow on 8.2-p1 amd64? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Jul 2011 19:16:43 -0000 On Wed, Jul 20, 2011 at 07:12:27PM +0200, Eduardo Morras wrote: > At 18:04 20/07/2011, Michael W. Lucas wrote: > >Hi, > > > >I'm running FreeNAS 8.0/amd64, with an 8.2-p1 kernel. When using FTP > >or SCP, performance maxes out around 30MB/s. This is on a gigabit > >network, no errors showing. > > > >It looks a lot like kern/152828, but it seems that nobody's looking at > >that. > > Don't know about that, but perhaps the nic is not working at full gigabit. > > Can you post the output of ifconfig? > > #ifconfig em0 > It's at gigabit: em0: flags=8843 metric 0 mtu 1500 options=219b ether 00:15:17:31:c8:fe inet xxxxxxx media: Ethernet autoselect (1000baseT ) status: active Thanks, ==ml > If it's not connected at 1 gigabit or not full duplex you can force > it with ifconfig. If there are too much errors check the cable. > > >As per suggestions from the archives, I've tried disabling TSO. No > >change. > > > >Anyone else experiencing this, or have any suggestions? At the moment, > >the boss is complaining that his Windows Home Server is doing better > >than this machine, and that's a technological direction I really don't > >want to go in. > > > >Thanks, > >==ml > -- Michael W. Lucas http://www.MichaelWLucas.com/, http://blather.MichaelWLucas.com/ Latest book: Network Flow Analysis http://www.networkflowanalysis.com/ mwlucas@BlackHelicopters.org, Twitter @mwlauthor