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From: Nick Piggin <piggin@cyberone.com.au>
To: Jan Dittmer <j.dittmer@portrix.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Clock skips (?) with 2.6 and games
Date: Mon, 03 Nov 2003 21:34:00 +1100	[thread overview]
Message-ID: <3FA62F18.2050500@cyberone.com.au> (raw)
In-Reply-To: <3FA62DD4.1020202@portrix.net>



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.



  reply	other threads:[~2003-11-03 10:34 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-03 10:28 Clock skips (?) with 2.6 and games Jan Dittmer
2003-11-03 10:34 ` Nick Piggin [this message]
2003-11-03 15:48   ` Jan Dittmer
2003-11-04  2:37   ` Zwane Mwaikambo
2003-11-04  2:59     ` Nick Piggin
2003-11-04  3:07       ` Zwane Mwaikambo
2003-11-03 11:01 ` Andrea Arcangeli
2003-11-03 11:21   ` Jan Dittmer
2003-11-03 14:36     ` Andrea Arcangeli
2003-11-03 15:44       ` Jan Dittmer
2003-11-03 16:11         ` Stephan von Krawczynski
2003-11-03 16:44           ` Jan Dittmer
2003-11-03 16:59           ` Jan Dittmer
2003-11-04  2:40         ` Zwane Mwaikambo
2003-11-04 10:22           ` Andrea Arcangeli

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