On Mon, Oct 25, 2010 at 7:20 AM, joshua stein <j...@openbsd.org> wrote: >> > 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 > > 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