[lm-sensors] k8temp, BE-2350 CPU

Moebius moebius20 at free.fr
Mon Nov 26 15:16:44 CET 2007


I precise with /proc/cpuinfo :

> cpu family      : 15
> model           : 107
> model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
> stepping        : 2

very similar....


Gerold Gruber a écrit :
> seems I have such a CPU, too:
> cat /sys/bus/pci/drivers/k8temp/0000\:00\:18.3/temp*
> 16000
> -6000
> 5000
> 5000
> 
> from /proc/cpuinfo:
> cpu family      : 15
> model           : 107
> model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4000+
> stepping        : 1
> 
> Board: Asrock AM2NF3-VSTA
> 
> regards
> 
> 
> Moebius wrote:
>> For me (AMD Athlon x2 64 4400+ and a asus MNPV-VM motherboard) it gives :
>>
>> cat /sys/bus/pci/drivers/k8temp/0000\:00\:18.3/temp*
>> -9000
>> -11000
>> 2000
>> -15000
>>
>> and the sensors command seems to give a temp1 value (witch is supposed 
>> to be the cpu one) lower than the one given by bios when I reboot (don't 
>> know how to get the bios given temperature without rebooting and seeing 
>> it in the bios setup)
>>
>> Welle that's strange and insecure to configure something confident
>>
>> cordialement,
>>
>>
>> Jean Delvare a écrit :
>>> Hi Alistair,
>>>
>>> On Mon, 8 Oct 2007 00:53:25 +0100, Alistair John Strachan wrote:
>>>> On Thursday 09 August 2007 07:38:29 Alistair John Strachan wrote:
>>>>> On Thursday 09 August 2007 06:53:23 Rudolf Marek wrote:
>>>>>> Hi,
>>>>>>
>>>>>> Sorry for the delay. I'm CCing the list too please do too.
>>>>>>
>>>>>> Alistair John Strachan wrote:
>>>>>>> Hi,
>>>>>>>
>>>>>>> I've noticed a problem with the k8temp driver on a new BE-2350
>>>>>>> processor. It seems the sensors report bogus values on this CPU. This
>>>>>>> is when it is idling:
>>>>>>>
>>>>>>> root at joyeuse:~# cat /sys/bus/pci/drivers/k8temp/0000\:00\:18.3/temp*
>>>>>>> -5000
>>>>>>> -5000
>>>>>>> -3000
>>>>>>> 1000
>>>>>>>
>>>>>>> And this is under load:
>>>>>>>
>>>>>>> root at joyeuse:~# cat /sys/bus/pci/drivers/k8temp/0000\:00\:18.3/temp*
>>>>>>> 7000
>>>>>>> 12000
>>>>>>> 11000
>>>>>>> 17000
>>>>>>>
>>>>>>> This is a socket AM2 processor. Any idea what's wrong? Using kernel
>>>>>>> 2.6.23-rc1, but it's also broken on Debian's 2.6.22.
>>>>>> Hmm perhaps the formula does not work anymore :/ Can you send me output
>>>>>> of cat /proc/cpuinfo?
>>>> Sorry to nag, Rudolf, but has there been any progress on this issue?
>>> My understanding is that some K8 CPU series simply have broken thermal
>>> sensors and there's not much we can do about it. In some cases you may
>>> try applying arbitrary offsets to get somewhat realistic (yet
>>> incorrect) values, in others even that won't work.
>>>
>>> Maybe we will have to blacklist some CPU series from the k8temp driver
>>> to avoid the confusion.
> 
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