itojun writes
> 	I used wsconsctl for swapping caps lock to control, but it now
> 	does not work (device busy).  I did not investigate this further
> 	but is it just me or common issue?

	Add following line to kernel configuration file.
options         PCKBD_LAYOUT="(KB_US | KB_SWAPCTRLCAPS)"

	If you use Japanese keyboard, change KB_US to KB_JP.

	see $src/sys/dev/wscons/wsksymdef.h

HEO