no /dev/ums0 when module loaded

[M. Warner Losh]

In message: <200501161134.25828.doconnor at gsoft.com.au>
            "Daniel O'Connor" <doconnor at gsoft.com.au> writes:
: > Is this a bug or a feature ?  I've been told that whenever an USB device
: > is not grabbed by any driver on attach, it uses ugen(4) and it won't be
: > possible to ``move'' it from ugen(4) to ums(4) later.
: 
: This is a problem with the USB stack - devices are not reprobed when a new 
: module is loaded.
: 
: I preload all the USB modules I plan to use (a bit annoying I admit). I 
: believe there is ongoing work in this area though.

There is indeed ongoing work in this area.  Unless you need ugen,
don't load it is the best answer for now.  I have some work that I'm
migrating to the tree, but this will take a while to get into the
tree...

Warner