Messages in this thread | | | Date | Fri, 11 Aug 2006 17:01:04 -0400 | From | Dave Jones <> | Subject | Re: cpufreq stops working after a while |
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On Fri, Aug 11, 2006 at 04:39:19PM -0400, Mark Lord wrote: > Ahhh... > > >From the trace, I see a bunch of "userspace" lines appearing. > And sure enough, something called "powernowd" is running, > and probably conflicting with the "ondemand" governor.
It'll override it, you can't run both at the same time. Well, unless you have a dual-core/multi-cpu system, where you could have a different governor per-core. But that would be loony, and we should probably disallow that possibility before someone gets any bright ideas.
Looking at your log however, you only have a single CPU, so it'll be using userspace exclusively.
> I'm nuking powernowd, and that'll probably cure it for this box. > I guess the distro (kubuntu) must have started "powernowd" > even though I told it (the distro) to use "ondemand". > > Does it make sense that this could change the upper limit, though?
A userspace governor can pretty much invent its own rules. I'm not familiar with what constraints powernowd has. It may even have limits defined in a config file someplace.
Is it behaving again with ondemand ?
Dave
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