Re: acpi problems on a medion 8800 desktop pc

[Thomas Renninger <trenn@suse.de>]

On Sun, 2007-10-28 at 00:00 +0400, Alexey Starikovskiy wrote:
> Bart wrote:
> > Hi,
> > 
> > Currently I'm having two acpi problems on linux.
> > 
> > 1. My temperature is reported as -47°C (THRM/temperature).
> > 2. And sometimes the pc is automatically shutdown due to a critical 
> > temperature event (not often).
> First, check if you use lm_sensors.
> They work with the same hardware as ACPI, and might cause wrong readings.

Yep, it's probably that.
Temperature is read through these ports:
    OperationRegion (SEN1, SystemIO, 0x0295, 0x02)
    Field (SEN1, ByteAcc, NoLock, Preserve)
    {
        SEI0,   8,
        SED0,   8
    }

There was another bug report where these were also accessed via sensor
modules...
This should be caught by the acpi vs native interference checker in
future.
Bart: Those patches will pop up in next -mm release, it would be great
if you can give them a try. You should see a message in your syslog then
that a module failed to load...

Thanks,

    Thomas

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