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[lagagnon]

Recently I replaced motherboards in my system. I am using VL 5.9 SOHO. I then re-ran vasm, hardware detect, and all seems mostly fine. However, I have conky running and I now notice that the cpu temp from sysfs which normally gets posted to /proc/ACPI is no longer there. I could use lm-sensors to get that info but I wonder why, with the same kernel this info is not found from the hardware. The new mobo has a sensor that works - I just wonder whether there is some ACPI glitch with the noew mobo. Any ideas on where to proceed with this would be appreciated.

[rbistolfi]

Hi Larry, in my humble experience is the way the motherboard is built. I did some research when I got my new box. I didn't find much documentation, but my best guess based in what I did find is: if your motherboard has sensors using the ISA bus, its lectures will be written in /proc/acpi/thermal_zone, but if the sensor is using a SMBus or I2C bus -as almost all newer computers do- you need extra kernel modules to access the information, which is what lm_sensors provides. The lm_sensors wiki has good info, even when this particular topic is not there, was very helpful when I found my new AMD temp couldn't be read from /proc as I used to do with my previous computer.

http://www.lm-sensors.org/wiki/FAQ/Chapter1

Regards, Rodrigo