The most direct answer was given by Bas Mevissen:
You are probably using lp.o as a module and you load it
automagically with kerneld. So add the following line to
/etc/conf.modules (and restart kerneld):
options lp irq=0,7,0
(BTW, the documentation for /etc/conf.modules is in the man page for
depmod(1)/modprobe(1), but isn't installed as conf.modules(5).
Thanks, all!
Dale
-- Dale R. Worley Ariadne Internet Services Voice: +1 617-899-7949 Fax: +1 617-899-7946 E-mail: worley@ariadne.com "Internet-based electronic commerce solutions to real business problems."