On Sat, 5 Jul 2008 18:44:21 +0300 "Felipe Balbi" <felipebalbi@xxxxxxxxxxxxxxxxxxxxx> wrote: > hmm... interesting :-) > where should i look for more info ? Any pointers would be nice > > > There's a few things you can do to help stuff along; make sure > > you're using AHCI. > > not loaded. Thanks you may also need to toggle your bios to enable AHCI btw > > > Also take a look at > > http://kerneltrap.org/mailarchive/linux-kernel/2008/5/8/1771024 > > because these patches save like 0.75W in our lab. > > cool, is it merged upstream ? > I'll build current git kernel and reply again with new linux results. > It could be that ubuntu 2.6.24 is broken somehow... > > > To be honest, I'm surprised at your results; in our testing (with a > > different distro though) we don't see such a difference and Linux is > > doing rather well. > > can you get powertop results in a 2.6.24 distro kernel and current git > kernel ? most of my measurement machines are in the office ;( Anyway, also make sure you use the 0.11 version of powertop; we added some newer stuff into that version... > -- If you want to reach me at my work email, use arjan@xxxxxxxxxxxxxxx For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
