Management of Thermal

[Norberto Meijome]

On Mon, 08 Oct 2007 15:41:16 +0200
Lars Engels <lme at FreeBSD.org> wrote:

> What I can see from yoursystl output is that hw.acpi.cpu.cx_lowest is  
> set to C1. You could try to set it to C3. Then the CPU will sleep  
> deeper and has some time to cool down.

sounds like a good idea - i'll give it a try.

> Another thing I spotted is hw.acpi.thermal.tz0.passive_cooling=1
> With that setting the CPU is cooled passively AFAIK. So if the fan  
> starts to run, it could be that it is not FreeBSD that tells it so,  
> but the internal sensors.

hmm i'll check the BIOS ...maybe there's something there too

 
> Do you have Windows installed on that Notebook? How warm does the CPU  
> get there? Or with a Linux live CD?

i can run knoppix - i'll get the sysctls settings out of it and see how they compare....


thanks, Lars
B

_________________________
{Beto|Norberto|Numard} Meijome

Unix is user friendly. However, it isn't idiot friendly.

I speak for myself, not my employer. Contents may be hot. Slippery when wet. Reading disclaimers makes you go blind. Writing them is worse. You have been Warned.