Re: [lm-sensors] Could the k8temp driver be interfering with ACPI?

Pavel Machek
2007-03-02T11:32:21Z

Hi!

> > > Firstly, the first records of hidden SMBus, in September 2000, predate
> > > ACPI.
> >
> > The earliest ACPI spec I have handy is 1.0b, which came out in Feb 2 1999
> > so this isn't true. The all knowing (and always accurate :) wikipedia
> > claims it was first released in 1996, though I believe that all the pre 1.0b
> > machines were using acpi implementations before the standard was finalised.
> >
> > I certainly remember seeing ACPI capable machines circa 1997/1998.
>
> Yeah, and these early ACPI implementations were so good that we have an
> option to blacklist them.
> arch/i386/defconfig:CONFIG_ACPI_BLACKLIST_YEAR=2001
>
> My point (which you didn't quote) was that there is no correlation
> between the SMBus being hidden and ACPI accessing the hardware
> monitoring chip, contrary to what Pavel was suggesting.

It may not be correlated with ACPI, but BIOS authors clearly want to
keep you away from their SMBus controllers....
Pavel
--
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