Re: Problem: Load average of 6, no I/O, 25% idle time. Why?

From: Peter Zijlstra
Date: Fri Jul 18 2008 - 09:28:19 EST


On Fri, 2008-07-18 at 08:49 -0400, Timothy Normand Miller wrote:
> I have a four processor box, running three compute loads. The kernel
> I'm running is 2.6.25-gentoo-r5.
>
> One process has four threads, and it's niced to 19.
> Another process has one thread and is niced to -10
> The last process has one thread and is niced to 0
>
> One processor is always idle.
>
> If I change either the 0 to a -10 or the -10 to a zero, then all four
> cores are properly utilized.
>
> Does this make sense to anyone? Besides messing with the nice levels,
> is there another way to fix this?

Please share at least your .config when reporting such issues.

Furthermore, could you try .26 and or Linus' latest -git to see if the
issue is still present?


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