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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