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Re: kern/43543 ipmi(4) driver fails to collect Fan2 signal on Intel X38ML board
The following reply was made to PR kern/43543; it has been noted by GNATS.
From: Michael van Elst <mlelstv%serpens.de@localhost>
Subject: Re: kern/43543 ipmi(4) driver fails to collect Fan2 signal on
Intel X38ML board
Date: Fri, 30 Jul 2010 11:52:34 +0200
The ipmi driver only knows about linear sensor values (in fact, it
ignores the linearization function). My system (HP ML110G4) returns
something like 1/(val * 10^-7 + offset) which always results in 0
because the code doesn't handle fractions and ignores the 1/X step.
ipmi on the 4.0 system does the same, but the envstat output
is probably not generated from ipmi.
Michael van Elst
"A potential Snark may lurk in every tree."
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