>Are you sure that you have 'file-system UNION' in your kernel config
>file? I have a few seperate development trees set up exactly in this
>way, and they work (within the limits of unionfs vnode locking problems).

Alas, I had UNOIN.  Ugh!  Well, mounting now works.

Oh well,
-- 
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt.html
Nashua, NH                Disclaimer: I disavow all knowledge of this message