[bf1942] Crazy CPU use with SMP kernels

Wed May 5 21:42:26 EDT 2004

True. I have a server with P4 HT, 2.4.26 SMP kernel and runs fine. 

-------Original Message-------

From: bf1942 at icculus.org
Date: Thursday, May 06, 2004 03:40:14
To: bf1942 at icculus.org
Subject: Re: [bf1942] Crazy CPU use with SMP kernels

Ok its not SMP related stripped down (2.6.5) single processor
has the same behaviour.

     Steve / K
----- Original Message -----
From: "Steven Hartland" <killing at multiplay.co.uk>
To: <bf1942 at icculus.org>
Sent: Thursday, May 06, 2004 2:13 AM
Subject: Re: [bf1942] Crazy CPU use with SMP kernels

> Anyone got any further with this tried so far no joy
> on suse 9.0 all SMP:
> 1. generic (2.4.21-215-smp4G)
> 2. stripped down (2.4.21-215-default)
> 3. stripped down (2.6.5)
>
> All lead to 10 -> 20% cpu usage when empty
> on a dual 2.2Ghz Opteron :(
>
> Steve / K
> ----- Original Message -----
> From: "Steven Hartland" <killing at multiplay.co.uk>
> To: <bf1942 at icculus.org>
> Sent: Tuesday, May 04, 2004 3:37 AM
> Subject: Re: [bf1942] Crazy CPU use with SMP kernels
>
>
> > Same here on our test AMD64 suse 9.0 ( 2.4.21-215-smp )
> >
> > Will have a look with strace when I get some time.
> >
> > Steve / K
> > ----- Original Message -----
> > From: "James Gurney" <james at globalmegacorp.org>
> > To: <bf1942 at icculus.org>
> > Sent: Tuesday, May 04, 2004 12:12 AM
> > Subject: [bf1942] Crazy CPU use with SMP kernels
> >
> >
> > > 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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This e.mail is private and confidential between Multiplay (UK) Ltd. and the
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In the event of misdirection, illegible or incomplete transmission please
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