On 2016/03/27 14:32, Mark Kettenis wrote: > > From: attila <[email protected]> > > Date: Sat, 26 Mar 2016 17:47:38 -0600 > > > > Jyri Hovila [Turvamies.fi] <[email protected]> writes: > > > > > I can report significant usability improvement on a single core > > > ThinkPad T42 and a dual core ThinkPad X60. > > > > I hate to crap on this wonderful parade, but on my T60 (i386, dmesg at > > bottom) running 25 march snap the heat has bumped a full 10DegC from > > what was "normal" before. I'm sorry for the lack of science here and > > I have no hard numbers w/wo patch yet but in the past my steady state > > on this machine w/o firefox was something like 70DegC, w/just some > > xterms and emacs (aka life). Starting firefox generally added 10DegC > > before I did anything at all and I always had to watch the heat and > > kill firefox when we crossed 95DegC or Bad Things Happened; thus I > > live with w3m in one hand and treat firefox as some kind of > > luxury... tor-browser was, strangely, less hard on things but maybe > > that's just because I never have too many tabs there (also, maybe > > firefox-esr is a little lighter, not sure). > > > > Now it will be a challenge to see if I can cvs up, back out the patch > > and build a kernel without ringing the bell (100DegC). I freely admit > > this is an old, P.O.S. laptop and that there might be some HW issue > > (fan seems fine but I haven't taken it apart and really looked). It > > does seem like the difference in the scheduler has a remarkable effect > > on heat in my case. > > If you're not running any multi-threaded code the diff should have > zero impact. And I expect the diff to actually decrease the CPU load > when running such code, and therefore lower the temperature. This is > most likely a hardware issue, i.e. dust or a failing fan. >
Some Thinkpads don't run the fan properly after a suspend+resume when running OpenBSD. It couldn't be that, could it?
