From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out002.atlarge.net (out002.atlarge.net [129.41.63.60]) by ozlabs.org (Postfix) with ESMTP id 2EC25DDE3D for ; Wed, 4 Apr 2007 18:49:53 +1000 (EST) Date: Wed, 4 Apr 2007 10:49:50 +0200 From: Domen Puncer To: linuxppc-embedded@ozlabs.org Subject: Re: Howto read I2C on MPC5200 Lite Message-ID: <20070404084950.GF18236@moe.telargo.com> References: <20070307122430.GA73298@server.idefix.lan> <4b73d43f0703071317o7ae5e531s5eb4b390d41a1b88@mail.gmail.com> <20070309113506.GB6726@server.idefix.lan> <4b73d43f0703090911y3c2898cdmfdb84f8c7f5da8f@mail.gmail.com> <20070309234251.GA68997@server.idefix.lan> <20070311005535.GA39488@server.idefix.lan> <20070315095758.GE14658@moe.telargo.com> <20070317085749.GA75794@server.idefix.lan> <20070321083410.GA67297@server.idefix.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20070321083410.GA67297@server.idefix.lan> List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 21/03/07 09:34 +0100, Matthias Fechner wrote: > Hi, > > * Matthias Fechner [17-03-07 09:57]: > > ok, I can confirm that this patch fixes the problem for me too. > > I was now able to read my I2C sensor 97388 successfully and only 2814 > > readfailures happened. > > That means an errorrate of 2.8% that is ok for me. > > I found now when it happens or better when it not happens. > > I boot my icecube board via NFS. If the board is up and I unplug the > network I get no read errors. > If the network is connected (NFS server responding) I got read errors > on I2C with a rate of approximatly 3-4%. > Seems to be a problem with the network driver. I can't reproduce your no-errors behaviour. I tried unplugging network cable and compiling out the fec driver. Domen