[lm-sensors] sensor 3.3.1 and previous do not properly detect/show CPUTIN temperature - maximus iv extreme Revision 3.0 motherboard

[Guenter Roeck]

On Fri, 2012-04-20 at 06:47 -0400, Martin Suchanek wrote:
> Hi,
> 
> Add info:
> I have found software called open hardware monitor. I have been
> testing it in windows for couple of days and it works properly with
> Nuvoton NST6776F chip. I have been comparing results with AI Suite
> software coming from ASUS and results are corresponding and measuring
> is with big precise. So , you can have a look to source code and
> compare with your driver. This software should work on linux as well
> but I did not try it yet but I will.
> 
> (I did not tried your experimental driver yet but I will)
> 
Martin,

please don't top-post.

What is the output you get with open hardware monitor ? They report four
temperatures, PECI_0, CPUTIN, AUXTIN, and SYSTIN.

Thanks,
Guenter

> Regards,
> Martin
> 
> 
> On Sat, Apr 14, 2012 at 2:09 PM, Martin Suchanek
> <martin.suc at googlemail.com> wrote:
>         Hi,
>         
>         I have found for long time ago that CPUTIN temperature is not
>         showed correctly by sensors command:
>         
>         coretemp-isa-0000
>         Adapter: ISA adapter
>         Physical id 0:  +34.0°C  (high = +80.0°C, crit = +98.0°C)
>         Core 0:         +30.0°C  (high = +80.0°C, crit = +98.0°C)
>         ...
>         nct6776-isa-0290
>         Adapter: ISA adapter
>         ...
>         CPUTIN:        -60.0°C  (high = +80.0°C, hyst = +75.0°C)
>         sensor = diode
>         ...
>         
>         I have cheked it in BIOS and in AI Suite in windows 7 64 bit
>         and consulted it with ASUS technical support and everything is
>         working properly. 
>         So , hardware is fine. Software in windows is fine. Only linux
>         software is not correct.
>         I have tried to detect-sensor many times and it is still the
>         same.
>         If there is some kind of tweak in config please let me know
>         but it seems to me there is something wrong with lm-sensors
>         3.3.1.
>         
>         ...
>         Intel digital thermal sensor...
>         Success!
>             (driver `coretemp')
>         ...
>         Found `Nuvoton NCT6776F Super IO Sensors'
>         Success!
>         ...
>         Driver `w83627ehf':
>           * ISA bus, address 0x290
>             Chip `Nuvoton NCT6776F Super IO Sensors' (confidence: 9)
>         
>         Driver `coretemp':
>           * Chip `Intel digital thermal sensor' (confidence: 9)
>         ...
>         
>         my /etc/modules:
>         ...
>         coretemp
>         w83627ehf
>         ...
>         
>         This error have appeared on maximus iv extreme motherboard
>         Revision 3 , BIOS from 1404 to 3202 (latest)
>         linux ubuntu natty -> oneiric 64 bit kernel from 2.6.39 up to
>         3.0.0-19 commercial version (tested on 3.3.1 compiled by me)
>         
>         Could you please help me to solve it ?
>         
>         Thank you very much for any clue.
>         Kind Regards,
>         Martin
> 
>