Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches)

Kris Kennaway kris at
Tue May 24 13:26:00 PDT 2005

On Tue, May 24, 2005 at 10:23:28PM +0200, Matthias Buelow wrote:
> Kris Kennaway wrote:
> > But are any IRQs shared?
> Hmm... atapci1 is shared with fxp0 on irq 20.. does fxp0 also require
> the giant lock?

I don't think so..but the shared interrupt might still be causing some
other problem.  Try compiling a kernel without fxp support and see if
you still have the interactive problems under disk load.

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