More trapframe panics

[Warner Losh]

On Jan 27, 2014, at 3:04 AM, Jayachandran C. wrote:
> 
> It would be interesting to see the stacktrace when the overflow
> happens. If this is some specific driver or codepath, fixing that
> would be a better solution than to waste 8K per task.

I get it when I try to build security/sudo from ports on a freshly built -current. This was 100% reproducible in August or September (as well as earlier) on a mips64 build on my both of my Octeon boards...

Warner