[ltp] tp-fancontrol does not work with kernel 3.3.8 on X200

alfon linux-thinkpad@linux-thinkpad.org
Thu, 27 Sep 2012 09:04:41 +0200

I don't know where and with what name, the kernel 3.3.X, present the
temperature interfaces. But, perhaps, the thinkfan package can help
you if you are using Debian. If you are not, you can also download it

I hope this help you.

On 25 September 2012 17:56, Hisashi Shiota <shiota@din.or.jp> wrote:
> Hi,
> I fetched tp-fancontrol script from the following ThinkWiki page,
>   http://www.thinkwiki.org/wiki/How_to_control_fan_speed
> However it does not work with kernel 3.3.8 on my X200.
> tp-fancontrol shows an error message as follows;
> 4252 (process ID) old priority 0, new priority -10
>> Activating watchdog with delay 9 sec
>> Starting dynamic fan control
>  ./tp-fancontrol_org: line 242: /proc/acpi/ibm/ecdump: No such file or directory
>> Shutting down, switching to automatic fan control
> After some investigation, I found the EC dump interface was removed from
> thinkpad_acpi two years ago.
>   https://lkml.org/lkml/2010/7/1/206
> I invalidate some code accessing EC in tp-fancontrol, because I suppose EC is
> accessed only to decrease fan noise. And my revised code seems to work somehow.
> But I am not sure if my workaround is good or not.
> So if you have better idea than mine or know another solution, any comment are
> welcome for me.
> Cheers,
> Hisashi Shiota
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