In article <20010428021211.A11428@polderland.nl>,
Olaf Seibert  <rhialto@polderland.nl> wrote:
> On Fri 27 Apr 2001 at 15:36:27 -0700, Erik E. Fair wrote:
> > One more data point - I am running this program on NetBSD/arm32 and 
> > NetBSD/sparc in addition to alpha, and I only see the described 
> > behavior on the alpha. That's why I'm asking here, and wondering 
> > about MD TLB/cache/MMU/whatever issues.
> 
> I am seeing the same on i386 (pentium III 700 MHz).

Could this be related to autonice?

Try:
	sysctl -w kern.autonicetime=0