umtx/libthr SMP fixes.

[Scott Long]

Bryan Liesner wrote:
> 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.
> 
> 

It's very hard to imagine Jeff's patches causing a problem at the point
that the PR mentions.  Have you confirmed the problem in a kernel that
was build in a totally clean environment?

Scott