[bf1942] Crazy CPU use with SMP kernels

Mario Benito Ríos mariob at menta.net
Mon May 3 19:29:32 EDT 2004

I'm at 2.6.3-gentoo-r1 SMP kernel and all is correct: empty servers under 
1% CPU. 32 bots server, like a full 32 players server, around 30-40% of one 
CPU. 100% CPU loading maps in 5-6 seconds.

Gentoo system built from stage 1.

At 01:12 04/05/2004, you wrote:
>I've read all the information I can find about the problems with the BF 
>server and SMP kernels, but I haven't found if anyone has a workaround for 
>this yet.
>I have a server running on an SMP box with kernel 2.6.6rc2 (running 
>gentoo), and it uses about 20% cpu when there is no-one connected. Also, 
>during map changes, it spikes to 100% cpu for about a minute or so, and 
>then proceeds with the loading. Before we went SMP, the load was much, 
>much quicker than this and did not spike to 100%.
>Has anyone got any suggestions for this? Perhaps a kernel compile option 
>which could be enabled/disabled? Based on various forum posts, I tried 
>disabling APM, but that made no difference. Obviously I can't disable SMP, 
>because then we won't have support for the hardware..

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