Jukka Marin wrote: [about P133 not keeping up with 28.8k]
> 
> There _must_ be something blocking the interrupts for long periods of time.
> Isn't there a way of finding out what it is?  Doesn't anybody care? ;-) :-(

FWIW, the OpenBSD webpage mentions it fixed "a major i386 interrupt race"
or something like that.  Perhaps it's related?  Maybe you could boot one
of their kernels and see if the problem is just as bad.

-Andrew