[ltp] Fan control under ubuntu
Paul RIVIER
linux-thinkpad@linux-thinkpad.org
Tue, 04 Jul 2006 21:32:09 +0200
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Hello,
a year ago I wanted to do exactly that.
At this time, nothing was existing, not as userlandland script, nor as
kernel handling.
Since then I have seen people doing other stuff, as script as well as
"in kernel" patches, probably better.
Well, a year after, I'm still using my own sub-optimal solution,
probably just because it is mine (I am french after all). :)
So far I did never have a single problem with it, so I give it.
Here it is : 2 files, one for the script, one for /etc/init.d. It is
probably a very very bad idea to start the script without the associated
rc script, which make sure that either the fan is on AUTO MODE, or
properly handeld by *only one instance* of my script.
How to use it :
1) copy ibm_manage_fan.sh in /usr/sbin, chmod +x it, read the few first
lines and set the values you want for the hysterisis.
2) copy ibm_fan_rc in /etc/init.d, chmod +x it
3) to start software fan management, issue a /etc/init.d/ibm_fan_rc
start command. To automatically start it at boot time, man update-rc.d
Regards
paul
amateur wrote:
>On Tue, Jul 04, 2006 at 02:15:14PM +0200, Michael Ott wrote:
>
>
>>Hello Ignacio!
>>
>>
>>
>>>>I've been noticing that under ubuntu the fan of the computer starts and never
>>>>stops until I shut down - which might mean that I don't have power management
>>>>properly set up.
>>>>
>>>>
>>>What's the room temperature? What's the CPU temperature? What's the CPU freq?
>>>
>>>I have an R51 and in winter the fan stops without problems when the CPU (or
>>>whatever) temp drops below ~37癈. Now it's summer and I have no air
>>>conditioning, the room temperature is well above 25癈 (almost 30癈) now I
>>>don't see the CPU below 40癈, that means the fan never stops (fortunately).
>>>
>>>
>>On my T43 the fan start when the CPU have 60? and stop when it reach
>>54?. Do you think that the fan have to start when the CPU have reached
>>40癈. Not in the winter my Thinkpad is under 50癈.
>>
>>
>
>How do you manage to acheive that? Could you share your configuration?
>
>
>
>>
>>CU
>>
>> Michael
>>
>>--
>> ,''`. Michael Ott, e-mail: michael at zolnott dot de
>> : :' : Debian SID on Thinkpad T43:
>> `. `' http://www.zolnott.de/laptop/ibm-t43-uc34nge.html
>> `-
>>Jeden Mittwoch von 21 - 24 Uhr. Zosh! auf Radio Z.
>>Das H鋜teste, was der Musikmarkt zu bieten hat. http://www.zosh.de
>>Online h鰎en: http://www.radio-z.net
>>--
>>The linux-thinkpad mailing list home page is at:
>>http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>>
>>
>>
>-------------------------
>
>
>
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