kernel vs user power management

2006-04-07 Thread Brown, Len
Timo, Holger, Andi pointed me to your FOSDEM Linux Power Management presentation: http://en.opensuse.org/FOSDEM2006 http://files.opensuse.org/opensuse/en/b/b5/One_step_opendesign.pdf And I'm glad to see you working on Linux Power Management. But I'm a little concerned that user-space and the ke

Re: kernel vs user power management

2006-04-08 Thread Holger Macht
On Sat 08. Apr - 02:42:12, Brown, Len wrote: > Timo, Holger, > Andi pointed me to your FOSDEM Linux Power Management presentation: > > http://en.opensuse.org/FOSDEM2006 > > http://files.opensuse.org/opensuse/en/b/b5/One_step_opendesign.pdf > > And I'm glad to see you working on Linux Power Manag

RE: kernel vs user power management

2006-04-08 Thread Brown, Len
>On Sat 08. Apr - 02:42:12, Brown, Len wrote: >> Timo, Holger, >> Andi pointed me to your FOSDEM Linux Power Management presentation: >> >> http://en.opensuse.org/FOSDEM2006 >> >> http://files.opensuse.org/opensuse/en/b/b5/One_step_opendesign.pdf >> >> And I'm glad to see you working on Linux Po

Re: kernel vs user power management

2006-04-08 Thread Andi Kleen
On Sunday 09 April 2006 05:06, Brown, Len wrote: > >Furthermore, we had some problems on multiprocessor systems in the past > >(about 1/2 year ago) with the ondemand governor. After some time the > >system was running (even some hours or even days) the machine locked up > >hard. Thus, we set the

Re: kernel vs user power management

2006-04-10 Thread Holger Macht
On Sat 08. Apr - 23:06:54, Brown, Len wrote: > >On Sat 08. Apr - 02:42:12, Brown, Len wrote: > >> Timo, Holger, > >> Andi pointed me to your FOSDEM Linux Power Management presentation: > >> > >> http://en.opensuse.org/FOSDEM2006 > >> > >> http://files.opensuse.org/opensuse/en/b/b5/One_step_opende

RE: kernel vs user power management

2006-05-16 Thread Brown, Len
>> >> I'm happy to see that clock throttling is not enabled by >> >> default in recent SuSE release, at least on my laptop >> >> which supports P-states. >> >> >> >> I'd like to see no option to enable clock-throttling on >> >> systems that support real p-states. >> > >> >Yes, this is reasonable

Re: kernel vs user power management

2006-05-17 Thread Holger Macht
On Wed 17. May - 00:20:12, Brown, Len wrote: > > >> >> I'm happy to see that clock throttling is not enabled by > >> >> default in recent SuSE release, at least on my laptop > >> >> which supports P-states. > >> >> > >> >> I'd like to see no option to enable clock-throttling on > >> >> systems t

RE: kernel vs user power management

2006-05-17 Thread Brown, Len
>> I installed SL10.1 today on a P3M laptop (Dell D600) >> and it defaults to the "Powersave" scheme which includes >> "Dynamic Frequency Scaling" (ondemand), so that is good. >> >> However, by defaulit "Allow Throttling" is CHECKED >> and Max % is set to 50%. >> >> Exactly what does this mean

Re: kernel vs user power management

2006-05-17 Thread Holger Macht
On Wed 17. May - 11:41:16, Brown, Len wrote: > > >> I installed SL10.1 today on a P3M laptop (Dell D600) > >> and it defaults to the "Powersave" scheme which includes > >> "Dynamic Frequency Scaling" (ondemand), so that is good. > >> > >> However, by defaulit "Allow Throttling" is CHECKED > >> a

RE: kernel vs user power management

2006-05-17 Thread Brown, Len
>If you can reproduce that it switches to T2 when you do a rcpowersaved >restart or on every unplug, it would actually be a bug which is worth >to be reported. happens on every un-plug event. /etc/init.d/powersaved stop didn't make it stop happening, so it is probably an ACPI bug. thanks, -Le