Re: high cpu temp and fan speed problem

On Sun, 9 May 2010, Nathan BIAGINI wrote:
 > Hi,
 > 
 > i bought a hp pavilion dv6-1123ef laptop and i've installed FreeBSD 8.0 on
 > it. Everything work except one think : i can't do high-cpu task. The problem
 > is when i run a high-cpu task (no very high in fact), my cpu temperature can
 > increase to 90°C and when it's the case, system go down. Further, i heard
 > the fans are running. When i work on windows (short time), i never had this
 > kind of problem so i think is may be a kernel config problem.

Sounds perhaps similar to some recent issues, but first we need to know 
more about your laptop .. please show output of:

% sysctl hw.acpi
% sysctl dev.cpu
% grep -i acpi /var/run/dmesg.boot

 > I precise that when i want to run mbmon to minitor cpu temp and fan speed
 > (compiled form the ports), it return an unknow error like what no hardware
 > monitor is found, the cause of my problem?

mbmon only works with some hardware, and then needs tweaking sometimes; 
worry about that if it doesn't look like an acpi and/or cpufreq issue.

Temperature at least should be shown by sysctl dev.cpu.N.temperature.

 > Thanks for helping.
 > 
 > PS : sorry if i'm not really clear but english isn't my native language.

You're doing fine.

cheers, Ian

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