From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752022Ab0C2S2X (ORCPT ); Mon, 29 Mar 2010 14:28:23 -0400 Received: from ksp.mff.cuni.cz ([195.113.26.206]:57076 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751045Ab0C2S2W (ORCPT ); Mon, 29 Mar 2010 14:28:22 -0400 Date: Mon, 29 Mar 2010 20:27:36 +0200 From: Pavel Machek To: Stanislav Brabec Cc: Andy Green , Eric Miao , dbaryshkov@gmail.com, Cyril Hrubis , arminlitzel@web.de, kernel list , Dirk@opfer-online.de, lenz@cs.wisc.edu, rpurdie@rpsys.net, linux-arm-kernel , thommycheck@gmail.com, zaurus-devel@www.linuxtogo.org, omegamoon@gmail.com Subject: Re: bit errors on spitz Message-ID: <20100329182736.GA1373@ucw.cz> References: <20100305212708.GC21773@elf.ucw.cz> <20100308072858.GA29939@atrey.karlin.mff.cuni.cz> <20100308082530.GA1982@atrey.karlin.mff.cuni.cz> <4B98EF5D.5000609@warmcat.com> <1268322155.3990.114.camel@hammer.suse.cz> <4B995EE1.1050609@warmcat.com> <1268384824.4963.35.camel@utx.utx.cz> <20100321204335.GM1933@elf.ucw.cz> <1269207753.13196.53.camel@utx.utx.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1269207753.13196.53.camel@utx.utx.cz> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun 2010-03-21 22:42:33, Stanislav Brabec wrote: > Pavel Machek píše v Ne 21. 03. 2010 v 21:43 +0100: > > On Fri 2010-03-12 10:07:04, Stanislav Brabec wrote: > > > > > > Good tip. It seems that nobody ported driver for the voltage control > > > > > chip ISL6271 from 2.4 kernel, and bootloader probably does not set > > > > > correct values. > > > > Are we sure about this one? If we have wrong voltages on various > > parts, that kind-off explains it. > > > > Would it be possible to measure (Voltmeter) difference between 2.4 > > kernel and 2.6 kernel? > > If you are ready to run Zaurus in dismantled state, then yes. Measure on > the upper pin of the large coil in the center of the > http://www.penguin.cz/~utx/zaurus/pcbt_uc.jpg image or on the testpoint > nearby (probably to the right). I'm not comfortable dismantling it :-(. > Alternatively, it is possible to write a driver. It is just one byte > write and one byte read via I2C. Do you know what byte it is? That sounds easy enough... But I have small problem now -- zaurus seems to work mostly fine now. Does it depend on temperature, or what? Tried mtest, nothing. Tried compiling kernel, ok... Will try few more times... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html