On 8/3/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Hi > > > I`ve been using powertop to optimize to power usage of my Dell D600 and > I can`t get rid of the "extra timer interrupt" wakeups: > > > Suggestion: enable the HPET (Multimedia Timer) in your BIOS or add > the kernel patch to force-enable HPET. HPET support allows Linux to > have much longer sleep intervals. > > > After searching the net I`ve learned that this is caused by a disabled > HPET. I`ve tried applying the patches from www.linuxpowertop.org site > to force HPET enable but no luck. The /proc/timer_list also doesn`t > show it:
Try applying the hrtimers patch from: http://www.tglx.de/projects/hrtimers/, which should have support for ICH4-M. [googled for: Dell D600 -> Intel 855PM chipset -> open intel's site on intel 855pm -> ICH4-M family -> google ICH4-M hpet -> http://www.bughost.org/pipermail/power/2007-June/000600.html ] --Edwin _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
