> I was wondering:
> 
> 	Is it normal for Illegal instructions in userland programs to cause
> kernel panics and essentially hang my machine (well, except for the
> debugger)?  Or is it a function of the kernel I'm using, GENERIC_67?
> (possibly some sort of debugging enabled?)  Would upgrading to a -current
> kernel be of any help?

Hmm, I think it depends.

> 	How can I tell where it is hanging?  What is ktrace?  I really don't
> have any idea where the illegal instruction is coming from.  Traces in the
> debugger are rather unrevealing.  I have a feeling its in some of the DES
> code that came with the distribution.  But no real evidence to support that.

I don't know about these, but it might help to know what kind of machine 
you're using.  The only illegal instruction errors I've ever heard of are 
problems with floating point emulation.  Do you have an FPU?

Later.

-- 
Colin Wood                                      ender@is.rice.edu
Consultant                                        Rice University
Information Technology Services                       Houston, TX