On Sat, 13 Sep 2003, tv@pobox.com wrote:
> # cgdconfig -s cgd0 /dev/wd1e aes-cbc 192 </dev/urandom
> # swapctl -a /dev/cgd0d
> swapctl: /dev/cgd0d: Device not configured

I know I sent a PR about this months ago, but I can't find it now.
Even a search for "dksubr" fails to find the PR.

Anyway, the appended patch to sys/dev/dksubr.c 
allows swap to /dev/cgd0d to work.

--apb (Alan Barrett)

Index: sys/dev/dksubr.c
--- sys/dev/dksubr.c	14 Jul 2003 15:47:03 -0000	1.10
+++ sys/dev/dksubr.c	15 Jul 2003 12:54:59 -0000
@@ -224,6 +224,9 @@
 		return -1;
 
 	part = DISKPART(dev);
+	if (part == RAW_PART)
+		return dksc->sc_size;
+
 	is_open = dksc->sc_dkdev.dk_openmask & (1 << part);
 
 	if (!is_open && di->di_open(dev, 0, S_IFBLK, curproc))