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SubjectRe: Clock skips (?) with 2.6 and games


Jan Dittmer wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hi,
>
> I'm experiencing skips in games like q3demo and enemy territory on a
> dual xeon p4. That means, if I'm walking around, about every 2-3 seconds
> I'm skipping a bit of the way. It seems that the clock is running too
> slow and the games are trying to catch up every x seconds with the
> system time.


Please ensure that X is running at priority 0. Report back if you still
have the problem.

>
> System is running 2.6.0-test9-mm1. This effect does not show with
> 2.4.23pre6aa3, though there are only two processors displayed. Is this
> normal? Judging from the temperature sensors that is not just one
> processor with its sibling but really the two physical processors. Is
> there any way with 2.4 to show all 4 processors?
> I've tried booting 2.6 with nosmp, but that results in most interrupts
> not working anymore.
> What can I try to get test9 working properly?


nosmp has been broken for quite a while. If you want to try uniprocessor,
you'd have to compile a UP kernel.

You should get as good if not better interactivity with SMP enabled,
however.


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