Date: Thu, 11 Sep 2008 11:51:52 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: FreeBSD stable <freebsd-stable@freebsd.org> Subject: Re: Intel ICH7 SMBus support, ichsmb(4) Message-ID: <48C8EA38.6090903@quip.cz> In-Reply-To: <20080911043326.GA19290@icarus.home.lan> References: <48C847DE.7040508@incunabulum.net> <20080911043326.GA19290@icarus.home.lan>
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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
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