[bf1942] Crazy CPU use with SMP kernels

James Gurney james at globalmegacorp.org
Mon May 3 19:34:42 EDT 2004

Hm, I use the vanilla kernel rather than the gentoo one (not sure about 
all the patches they apply). I'll try the official kernel and see if it 
makes any difference.. thanks


On 5/3/2004 4:29 PM, Mario Benito Ríos wrote:

> 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..
>> Cheers,
>> James

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