umtx/libthr SMP fixes.

[Bryan Liesner]

On Tue, 3 Jun 2003, Scott Long wrote:

> > Actually, I think it's cam in general that's causing the panic with
> > these changes.
> >
> > Please see kern/52718
>
> I didn't see a backtrace in the PR.  Is there one that you can share
> with us?
>

It panics during boot and, unfortunately, no dump is produced.  The
best I could do is what's already there in the PR.  If there is
anything more I can do, just let me know.

I have (using cam) 2 atapi cdroms, a 100M zip disk, and a 40G USB hard
disk.