Add some debugging
Add some debugging
Work on testcases for the malloc driver

It seems like some of this support can't be tested [easily] until
we get RUMP in the mix, in part because of INVARIANTS support (oddly
enough). Seems like a bug to me...

Sponsored-by: EMC / Isilon Storage Division
Document how I got FreeBSD ports @ 07/30 to compile on FreeBSD 7.x