freebsd stable - Jan 2005 - deget(): pcbmap returned 6

Hiho! :-)

I'm running:

FreeBSD greatsheep 5.3-STABLE FreeBSD 5.3-STABLE #17: Sat Nov 13
13:46:48 CET 2004

and since a few days, I've been getting these messages (only a few):

deget(): pcbmap returned 6

Can I simply ignore them or do they point to a real problem?

Bye
Marc