Gunnar Helliesen writes:
> I've been seeing this message on the console and in /var/log/messages:
> 
> Jan  5 20:05:35 atlas /netbsd: mb_map full
> 
> It appears about once every minute.

I believe you can fix these by boosting the NMBCLUSTERS option. See
options(4) for details. Let us know if it helps!

Perry