Bad readouts on ASUS M2V VIA VT8237A

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Hi,
> # sensors
> k8temp-pci-00c3
> Adapter: PCI adapter
> Core0 Temp:
>              +30?C
> Core1 Temp:
>              +37?C

Looks good.

> 
> it8712-isa-0d00
> Adapter: ISA adapter
> VCore 1:   +1.31 V  (min =  +0.00 V, max =  +4.08 V)
> VCore 2:   +4.08 V  (min =  +0.00 V, max =  +4.08 V)   ALARM
> +3.3V:     +3.31 V  (min =  +0.00 V, max =  +4.08 V)
> +5V:       +4.89 V  (min =  +0.00 V, max =  +6.85 V)
> +12V:     +11.90 V  (min =  +0.00 V, max = +16.32 V)
> -12V:      +3.93 V  (min = -27.36 V, max =  +3.93 V)   ALARM
> -5V:       +4.03 V  (min = -13.64 V, max =  +4.03 V)   ALARM
> Stdby:     +6.85 V  (min =  +0.00 V, max =  +6.85 V)   ALARM
> VBat:      +3.31 V
> fan1:     35526 RPM  (min =    0 RPM, div = 2)
> fan2:        0 RPM  (min =    0 RPM, div = 2)
> fan3:        0 RPM  (min =    0 RPM, div = 2)
> M/B Temp:    +36?C  (low  =    -1?C, high =  +127?C)   sensor = thermistor
> CPU Temp:    +42?C  (low  =    -1?C, high =  +127?C)   sensor = thermistor

Thermistor bellow cpu perhaps...

> Temp3:      +128?C  (low  =    -1?C, high =  +127?C)   sensor = disabled
> 
> 
> 
> k8temp-pci-00c3 should be my NVidia 7600GT card and those seem correct.

Nope. K8temo is the CPU temperature provided directly from the CPU. It may be
+-5C different from "real" cpu temp

> On it8712-isa-0d00 the +voltage readings seem perfect but the -12V and
> -5V voltages read out as positive values. AFAIK, this is impossible,
> because the system wouldn't be stable enough for me to run the sensors
> program (must less install the operating system in the first place). The
> fan1 (CPU fan) reading is clearly wrong because at 35k RPM it should be
> melting the plastic housing.

The -5V and -12V maybe are not monitored at all please check some compute
formulas in /etc/sensors.conf (only motherboard manufacturer knows the scaling
factors, you may use the "ignore" statements to ignore it)

Maybe the fan is too low and there might be some overflow ... Please increase
the fan divisor.

you may do that:

set fan1_div 8

In correct section of /etc/sensors.conf

Then save the file and run sensors -s to "apply" the changes and run sensors again.


> The system is slightly unstable, but not consistently so. It is an
> Athlon64 X2 system running Debian AMD64 (sid). All of my compatibility
> problems are with closed-source software (e.g. Sun's 64bit JRE 1.5
> segfaults) and usually running in a 32bit chroot (e.g. the video game
> Savage with the close-source NVidia drivers, but Sun's 32bit JRE 1.5.0
> runs fine). I thought that I ruled out heat problems, but I suspect
> maybe the 42C CPU temp reading may be too low (due to the other suspect
> readings) because I've ruled out everything but heat and a bad CPU (ran
> memtest86+ for 20 passes, no errors).

The temp of CPU looks good. Maybe the chipset needs to be cooled better? Is the
chipset fan ok?


> How can I tell if my sensors are bad or if I just need to put a compute
> line in my sensors.conf?

Check above please. In general the wiring of voltages depends on board
manufacturer. Your voltages looks OK. Maybe you will need stronger PSU because
the fast changes of voltage levels remains hidden.

I would suggest to replace the PSU, if you receive just SIGSEGV and no real
lockups I think there might be some issues with the nvidia driver. Please try
the X.org one.

Hope it helps,

Rudolf




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