Andrew Brown <atatat@atatdot.net>  wrote:
 > just out of curiosity...
 > 
 > what version of netbsd is this?
 > 
 > do you have any/all of the DEBUG, DIAGNOSTIC, MALLOC_DEBUG, or
 > KMEMSTATS options enabled in your kernel config?

http://mail-index.netbsd.org/current-users/2003/12/02/0021.html

It's 200311170000 from releng.netbsd.org, with a GENERIC kernel
modulo a bumped up NMBCLUSTERS.