On Mon, 3 Dec 2001, Cliff Crawford wrote:

> Hello,
>
> I tried upgrading to 1.5.2 (from 1.5) over the weekend.  My first step
> was to compile a 1.5.2 GENERIC kernel and reboot with that.  After doing
> that, though, my system felt *very* sluggish -- doing a `make depend' on
> the kernel source, for example, now takes over 7 minutes, while it only
> took about a minute under 1.5.  Does anyone know what's wrong?  This is
> on a 400MHz G4 tower, by the way.

I had a similar problem on G4 tower. It turned out to be an
astonishingly high interrupt rate on the audio controller, about
13,000 interrupts/second. Building a custom kernel without the audio
solved the problem.

-- 
    - aew