* Amarendra Godbole <amarendra.godb...@gmail.com> [090209 09:30]: > On Mon, Feb 9, 2009 at 5:47 PM, Nick Holland > <n...@holland-consulting.net> wrote: > > Amarendra Godbole wrote: > >> i recently started using intel wireless on my thinkpad x60, through > >> the wpi(4) driver. earlier, i had heating issues, which were resolved > >> by setting hw.setperf to 0, but now i again see my laptop heating up > >> -- especially below my right palm. > >> > >> temperature sensor outputs from sysctl shows: > >> hw.sensors.acpitz0.temp0=60.05 degC (zone temperature) > >> hw.sensors.acpitz1.temp0=60.05 degC (zone temperature) > >> hw.sensors.cpu0.temp0=58.00 degC > >> hw.sensors.wpi0.raw0=155 (temperature 0 - 285) > >> hw.sensors.aps0.temp0=57.00 degC > >> hw.sensors.aps0.temp1=57.00 degC > >> > >> wpi shows 155, which is roughly 68 deg C. is the heating because of > >> wpi? that's what has changed. any pointers to cooling down the laptop > >> will be appreciated. dmesg, if needed, is here > >> http://www.obscure.org/~amunix/tmp/dmesg > > > > -> > > OpenBSD 4.4-current (kernel) #11: Wed Jan 21 07:41:19 IST 2009 > > r...@zimbu.xxxxxxxx:/home/amar/site-specific/builds/kernel > > > > uh.. > > what happens if you use a GENERIC snapshot rather than your > > Franken-kernel? Seeing stuff like that causes people to lose > > interest really quickly. > > Ummm, okay - its not the stock kernel, but I had the same heating > issue with stock kernel too. To confirm, will try with the stock and > then report my findings. > > > Setting hw.setperf to 0 isn't a "resolution" but a burying the > > problem where you don't see it, for now...or then. I don't think > > wpi is causing your problem, your system doesn't seem to be > > managing power properly, you buried the problem by reducing power > > consumption (and performance). > > Agreed. After extensive searching, I came across a lenovo forum thread > which indicates that X60 series has the wireless card underneath the > right palm-rest, which makes them hot when wireless is being used. > Apparently this is a design issue with the X60, and the thread is > here: > http://forums.lenovo.com/lnv/board/message?board.id=X_Series_Thinkpads&message.id=22&query.id=204119 > > Though, as you say, the real problem for OBSD is not addressed. > Earlier, the laptop used to heat up considerably even when using wired > connection (and wireless being disabled by h/w switch). Once > hw.setperf was set to 0, the heating became bearable (I was suggested > this workaround on misc@ itself). Since it did the trick, I did not > bother, until now when the heating re-surfaced. On Windows XP, the > laptop does NOT heat up so much, which means there is something else > with OBSD, than merely being an X60 problem. > > I will investigate further with the stock kernel, and then will post > my findings. Thanks. > > -Amarendra >
I can attest to the heat issue tracking i386 -current ever since installing on my x60s year(s) ago. The right palm area does get noticably warmer than when running Windows. It just never became a big enough bother for me to do anything about. Jim