Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262213AbUDRRbn (ORCPT ); Sun, 18 Apr 2004 13:31:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262238AbUDRRbn (ORCPT ); Sun, 18 Apr 2004 13:31:43 -0400 Received: from florence.buici.com ([206.124.142.26]:12929 "HELO florence.buici.com") by vger.kernel.org with SMTP id S262213AbUDRRbl (ORCPT ); Sun, 18 Apr 2004 13:31:41 -0400 Date: Sun, 18 Apr 2004 10:31:39 -0700 From: Marc Singer To: Chris Friesen , Marc Singer , Trond Myklebust , linux-kernel@vger.kernel.org Subject: Re: NFS and kernel 2.6.x Message-ID: <20040418173139.GA28744@flea> References: <1082093346.7141.159.camel@lade.trondhjem.org> <1082225747.2580.18.camel@lade.trondhjem.org> <20040417183219.GB3856@flea> <1082228313.2580.25.camel@lade.trondhjem.org> <20040417222258.GA12893@flea> <1082249866.3619.43.camel@lade.trondhjem.org> <20040418050141.GA19414@flea> <408221DE.4050002@nortelnetworks.com> <20040418085619.A4239@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040418085619.A4239@flint.arm.linux.org.uk> User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1099 Lines: 28 On Sun, Apr 18, 2004 at 08:56:19AM +0100, Russell King wrote: > On Sun, Apr 18, 2004 at 02:36:14AM -0400, Chris Friesen wrote: > > Marc Singer wrote: > > > > > Client is a 200MHz ARM; server is a Linux host running 2.6.3 with the > > > kernel nfs daemon; network is 100Mib. There is nothing else on the > > > network except intermittent broadband traffic. Async is set on the > > > server side. > > > > Is the ARM that slow? under 2MB/s seems odd to me...but them maybe I'm > > used to faster machines. > > It's probably the SMC91c111 ether chip causing all the problem - it's > only able to store about 4 packets before it starts dropping, which > isn't that much on a 100mbit network. I suspect that it might be a CPU issue. On transmit only, it never gets above 18Mib. > Running with rsize=4096 works wonders with this chip. Already there. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/