Crazy "interrupt storm detected" on atapci0

[Pete French]

> did you try to make a kernel with KDB and DDB? DEBUG-kernel? it seems 
> that turning off optimization and place a debugging stuff in kernel 
> solved my problem.

I turned off all optimisation, but I didnt try compiling in the debuggers,
no. I will give that a try and see if it gets rid of the problem. A bit
worrying if so though!

-pete.