[lm-sensors] k8temp does produce sensible results

[lm-sensors] k8temp does produce sensible results

[Dick Middleton]

I wonder if somebody could throw some light on the following.  I have a new AMD 
690 based mobo.  It seems to need k8temp sensor driver.  The i2c_piix4 module 
also get loaded.

The data produced by sensors is complete rubbish:

k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:
              +11 C
Core0 Temp:
              -11 C
Core1 Temp:
               +2 C
Core1 Temp:
               +4 C

I notice the sensors.conf file has no computations for this chip so I assume it 
is supposed to produce correct answers directly:

chip "k8temp-*"

    label temp1 "Core0 Temp"
    label temp2 "Core0 Temp"
    label temp3 "Core1 Temp"
    label temp4 "Core1 Temp"

Does anybody know what is happening here and whether there is any resolution to 
this problem available?

Many thanks

Dick



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Re: [lm-sensors] k8temp does produce sensible results

[Rudolf Marek]

Hi Dick,

> Does anybody know what is happening here and whether there is any resolution to 
> this problem available?
> 

Hello,

Some CPUs have known Errata which says that thermal sensor is unreliable. I
think this is your case unfortunately. Did sensors detect found some other sensor?

I know that ATI690 has some internal sensor chip too but I dont have the
documentation.

Rudolf

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Re: [lm-sensors] k8temp does produce sensible results

[Dick Middleton]

Rudolf Marek wrote:

>> Does anybody know what is happening here and whether there is any resolution to 
>> this problem available?
> 
> Some CPUs have known Errata which says that thermal sensor is unreliable. I
> think this is your case unfortunately. Did sensors detect found some other sensor?
> 
> I know that ATI690 has some internal sensor chip too but I dont have the
> documentation.

Sensors-detect finds:

Driver `f71882fg' (should be inserted):
   Detects correctly:
   * ISA bus, address 0x600
     Chip `Fintek F71882FG/F71883FG Super IO Sensors' (confidence: 9)

Driver `k8temp' (should be inserted):
   Detects correctly:
   * Chip `AMD K8 thermal sensors' (confidence: 9)

I don't have the f71882fg driver although I am thinking that is the one I need.

I'm not sure what the k8 does - perhaps you're right - it just doesn't work.

Dick


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Re: [lm-sensors] k8temp does produce sensible results

[Jean Delvare]

Hi Dick,

On Sun, 07 Oct 2007 18:58:32 +0100, Dick Middleton wrote:
> Sensors-detect finds:
> 
> Driver `f71882fg' (should be inserted):
>    Detects correctly:
>    * ISA bus, address 0x600
>      Chip `Fintek F71882FG/F71883FG Super IO Sensors' (confidence: 9)
> (...)
>
> I don't have the f71882fg driver although I am thinking that is the one I need.

Correct. This driver is new in (upcoming) kernel 2.4.24, so you'll have
to use a bleeding edge kernel if you want it, or wait a bit.

-- 
Jean Delvare

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Re: [lm-sensors] k8temp does produce sensible results

[Dick Middleton]

Jean Delvare wrote:

> On Sun, 07 Oct 2007 18:58:32 +0100, Dick Middleton wrote:
>> Sensors-detect finds:
>>
>> Driver `f71882fg' (should be inserted):
>>    Detects correctly:
>>    * ISA bus, address 0x600
>>      Chip `Fintek F71882FG/F71883FG Super IO Sensors' (confidence: 9)
>> (...)
>>
>> I don't have the f71882fg driver although I am thinking that is the one I need.
> 
> Correct. This driver is new in (upcoming) kernel 2.4.24, so you'll have
> to use a bleeding edge kernel if you want it, or wait a bit.

Thanks for the clarification. I assume you mean 2.6.24 ;-)

Dick





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Re: [lm-sensors] k8temp does produce sensible results

[Jean Delvare]

On Sat, 20 Oct 2007 10:38:38 +0100, Dick Middleton wrote:
> Jean Delvare wrote:
> 
> > On Sun, 07 Oct 2007 18:58:32 +0100, Dick Middleton wrote:
> >> Sensors-detect finds:
> >>
> >> Driver `f71882fg' (should be inserted):
> >>    Detects correctly:
> >>    * ISA bus, address 0x600
> >>      Chip `Fintek F71882FG/F71883FG Super IO Sensors' (confidence: 9)
> >> (...)
> >>
> >> I don't have the f71882fg driver although I am thinking that is the one I need.
> > 
> > Correct. This driver is new in (upcoming) kernel 2.4.24, so you'll have
> > to use a bleeding edge kernel if you want it, or wait a bit.
> 
> Thanks for the clarification. I assume you mean 2.6.24 ;-)

Oh, yeah, of course, sorry.

-- 
Jean Delvare

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