From owner-freebsd-hackers@FreeBSD.ORG Wed Jun 27 03:02:41 2007 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E595816A41F for ; Wed, 27 Jun 2007 03:02:41 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.236]) by mx1.freebsd.org (Postfix) with ESMTP id 895F713C455 for ; Wed, 27 Jun 2007 03:02:41 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: by nz-out-0506.google.com with SMTP id 34so28035nzf for ; Tue, 26 Jun 2007 20:02:40 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:received:received:date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=rr5wU7HMmYKZ12suLnNCKgc8VS4ZDG2/ftfb6pbsZXRwCtnzZ8m6mmUupoX4SZ6/oj4uPblIfiGtNvlefTwhPUQvLBO4SN+7oW1ENp02YpOwdpNYJQ9c6Z0X2d2jApO7CLRFQg2jsdB6GAZrEgn5D7F+UnsRPJDJqrLp68P+LGI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=j1cZbi2D7MrHCK7/0kRoRBrs/CX2nVO1Is+s9DB0kHEBKq9Aw777hRY95TI7znhZRktJNUwrpSig8B50xJfn5MB5urr7jIHirE31myLMPqrLMRP371GYxCVyPfj/JjuyLh48mymwqYTJvVbIL/HOCgA2h+NlP1cTe38b7E8py9U= Received: by 10.115.75.1 with SMTP id c1mr36602wal.1182911606804; Tue, 26 Jun 2007 19:33:26 -0700 (PDT) Received: from michelle.cdnetworks.co.kr ( [211.53.35.84]) by mx.google.com with ESMTP id m5sm9697875wag.2007.06.26.19.33.23 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 26 Jun 2007 19:33:25 -0700 (PDT) Received: from michelle.cdnetworks.co.kr (localhost.cdnetworks.co.kr [127.0.0.1]) by michelle.cdnetworks.co.kr (8.13.5/8.13.5) with ESMTP id l5R2XKkD045537 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 27 Jun 2007 11:33:20 +0900 (KST) (envelope-from pyunyh@gmail.com) Received: (from yongari@localhost) by michelle.cdnetworks.co.kr (8.13.5/8.13.5/Submit) id l5R2XJSb045536; Wed, 27 Jun 2007 11:33:19 +0900 (KST) (envelope-from pyunyh@gmail.com) Date: Wed, 27 Jun 2007 11:33:17 +0900 From: Pyun YongHyeon To: george+freebsd@m5p.com Message-ID: <20070627023317.GA45303@cdnetworks.co.kr> References: <200706270033.l5R0Xkf9084990@mail.reprise.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200706270033.l5R0Xkf9084990@mail.reprise.com> User-Agent: Mutt/1.4.2.1i Cc: freebsd-hackers@freebsd.org Subject: Re: Gigabit Ethernet w/Jumbo Frames X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jun 2007 03:02:42 -0000 On Tue, Jun 26, 2007 at 05:33:46PM -0700, george+freebsd@m5p.com wrote: > I'm having poor luck trying to use NFS over a gigabit ethernet using > jumbo frames. By all indications, my switch (Netgear GS608) forwards > jumbo frames with no difficulty, but my Realtek 8169-based cards seem > unreceptive to the idea, giving many watchdog timeouts and other > obscure log messages. One server is amd64 and my clients are i386, > but I think I've ruled that out as the problem because I see errors > evern with an i386 server. So I strongly suspect my network cards at > the moment. What gigabit ethernet cards do you use for reliable > performance with jumbo frames? -- George Mitchell > See http://lists.freebsd.org/pipermail/freebsd-current/2007-May/072845.html -- Regards, Pyun YongHyeon