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Does anyone know how to get the temperature of an Intel Core i5 processor in FreeBSD?

Relevant info:

  • Motherboard: Asus P8P67 Deluxe
  • CPU: Intel(R) Core(TM) i5-2500
  • OS: FreeBSD 8.2-RELEASE (64bit)

I've tried:

  • sysctl -a ⇒ nothing about CPU-temp there
  • mbmon ⇒ outputs: No Hardware Monitor found!! InitMBInfo: Unknown error: 0

I've successfully used mbmon on previous rigs with older hardware, but I can't get it to work with this setup. I've tried all "access methods" (options -V, -S, -I, -A).

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You may need to load smbus (kldload smbus) and/or other modules to get mbmon to work. It depends on the chipset. – Chris S Oct 9 '11 at 1:44
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1 Answer

up vote 2 down vote accepted

Try this:

% kldload coretemp
% sysctl -a |grep temper
dev.cpu.0.temperature: 60
dev.cpu.1.temperature: 60
dev.cpu.2.temperature: 64
dev.cpu.3.temperature: 64

Also check if FreeBSD has modules for your ACPI-chip:

ls /boot/kernel |grep ^acpi
acpi.ko
acpi_aiboost.ko
acpi_asus.ko
acpi_dock.ko
acpi_fujitsu.ko
acpi_ibm.ko
acpi_panasonic.ko
acpi_sony.ko
acpi_toshiba.ko
acpi_video.ko
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please mark it as accepted so it appears answered :) thanks – Franz Bettag Oct 9 '11 at 1:44
Perfect, kldload coretempdid it. Thank you very much! (And yes, I try to always accept when I've received the best answer :-) – poplitea Oct 9 '11 at 2:02
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