From owner-freebsd-stable@FreeBSD.ORG Thu Sep 11 09:51:28 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CCF5A1065679 for ; Thu, 11 Sep 2008 09:51:28 +0000 (UTC) (envelope-from 000.fbsd@quip.cz) Received: from elsa.codelab.cz (elsa.codelab.cz [91.103.162.4]) by mx1.freebsd.org (Postfix) with ESMTP id 809B98FC23 for ; Thu, 11 Sep 2008 09:51:28 +0000 (UTC) (envelope-from 000.fbsd@quip.cz) Received: from localhost (localhost.codelab.cz [127.0.0.1]) by elsa.codelab.cz (Postfix) with ESMTP id 562C819E02F; Thu, 11 Sep 2008 11:51:26 +0200 (CEST) Received: from [192.168.1.2] (r5bb235.net.upc.cz [86.49.61.235]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by elsa.codelab.cz (Postfix) with ESMTPSA id DA7C219E02A; Thu, 11 Sep 2008 11:51:20 +0200 (CEST) Message-ID: <48C8EA38.6090903@quip.cz> Date: Thu, 11 Sep 2008 11:51:52 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.12) Gecko/20050915 X-Accept-Language: cz, cs, en, en-us MIME-Version: 1.0 To: Jeremy Chadwick References: <48C847DE.7040508@incunabulum.net> <20080911043326.GA19290@icarus.home.lan> In-Reply-To: <20080911043326.GA19290@icarus.home.lan> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD stable Subject: Re: Intel ICH7 SMBus support, ichsmb(4) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Sep 2008 09:51:28 -0000 Jeremy Chadwick wrote: > On Wed, Sep 10, 2008 at 11:19:10PM +0100, Bruce M Simpson wrote: > >>Hi there, >> >>I have been looking at a system which has the Intel ICH7 south bridge. >> >>Whenever I try to probe the SMBus on this system with 'smbmsg -p', I get >>a lot of status=41 timeout messages in dmesg from the ichsmb(4) driver. >> >>I have been given the addresses of the SMBus peripherals and have tried >>initiating reads to their register space directly using 'smbmsg', with >>the same result. > > > Yes, I have seen this behaviour but *only* when querying a slave address > which was incorrect or had no device tied to it. You should not be > using the "8-bit data address". > > >>* Has anyone seen the same issues with the ICH7? > > > All of my development on bsdhwmon has been done exclusively on ICH7 > chipsets, except for the hardware I don't have access to (which use > other chipsets, but still use ichsmb(4)): > > http://bsdhwmon.parodius.com/ > > During early development of bsdhwmon, I used smbmsg exclusively for > testing. > > So in that respect, no, I've never seen the problem you report. Are you still actively working on bsdhwmon and do you plan to support non-Supermicro servers? I wrote you an e-mail in June about my interest in testing thist project on my servers, but got no reply. I have some Sun Fire X2100 M2 (nVidia chips), IBM x335 (Intel), IBM x336 (Intel) servers and one Supermicro X6DHP-8G (Intel) server. Miroslav Lachman