new systems using geom mirror hanging

[Randy Bush]

> I want to confirm these "GEOM_LABEL removed" warnings. I don't have any
> problems starting the system, but I have to admit, I'm worried a bit.

no idea.  i am assuming a new debug/info feature.

note that these systems can not even build a kernel, lock up in
seconds.  to build a new kernel, i have to boot a dec or jan kernel
single user and build using that.

randy