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

Jean Delvare
2007-03-02T11:29:48Z

On Thu, 1 Mar 2007 12:48:06 -0500, Dave Jones wrote:
> On Thu, Mar 01, 2007 at 03:26:55PM +0100, Jean Delvare wrote:
>
> > 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.

--
Jean Delvare