2004-Feb-27
The swap partition must have a disklabel that has "swap" as the fstype. If not you will get:
stilly: {23} swapctl -a /dev/wd0b
swapctl: /dev/wd0b: Device not configured
stilly: {23} swapctl -a /dev/wd0b
swapctl: /dev/wd0b: Device not configured