On Mon, Oct 25, 2010 at 7:20 AM, joshua stein <jcs@openbsd.org> wrote:
quoted text
>> > http://jcs.org/patches/openbsd-acpithinkpad_fan_control.diff
>> >
>> So i tried it but can't have it working on my machine. Kernel crashed
>> at startup.  I'm not sure what I can do to modify it right now.
>
> that patch is pretty old, i'm surprised it even applies and
> compiles.
>
>> Anyway, to make sure I didn't dream I installed a double boot with a
>> linux distribution and while the lappy under linux is really quiet
>> (quasi silent), t's really louder on openbsd once I plug it, or plug
>> an external screen. Any idea where I can look/need to provide to help
>> to fix this behavior?
>
> you're welcome to dig into the linux thinkpad acpi driver:
>
>
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=dri
vers/platform/x86/thinkpad_acpi.c;h=2d61186ad5a2e96708fcec4beb0a8402eb2bc09f;
hb=HEAD#l7145
quoted text
>
> note all the firmware bug comments, model-specific quirks, watchdog
> routines and other stuff in 1300 lines of code just for fan control.
> this is why my fan control patch is a hack and won't be committed.
>
>

Ok, thanks, that's a good start anyway. Time to play a little with the
code then :)

- benont