Performance Issues with AMD64 3000+, 1.5GB RAM, FreeBSD 5.4-RELEASE

Roland Smith rsmith at
Thu Aug 25 21:38:54 GMT 2005

On Thu, Aug 25, 2005 at 03:25:48PM -0500, Mark Kane wrote:
> >Hmm, if bzip2 can't saturate the CPU, I would say it's probably waiting
> >for disk reads/writes.
> The drives I was trying to compress from/to are both brand new 200GB 
> Maxtor 7200RPM ATA133 drives. Maybe that has something to do with the 
> bad controller on this series of boards.

Have you checked (with 'atacontrol mode <channel>') that both drives are
indeed using DMA?

> Looks like it is the network card. Would disabling that in the BIOS mess 
> anything up in FreeBSD? With it disabled I couldn't test the streaming, 
> but could try playing files.

I don't really see how, other than having no network. :-)

If you have a spare machine, you could even try the 6.0 beta release,
and see if that solves the problem.

R.F.Smith ( Please send e-mail as plain text.
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