Reproducible Panic with port iplog

[Mike Jakubik]

Doug White said:

> I'll see if I can reproduce this, but in the interim you might try
> disabling PREEMPTION.  It doesn't quite have all the bugs worked out yet.

Disabling PREEMPTION does indeed stop the panic from occuring.

> If you want to get a dump try compiling in KDB and DDB then doing "call
> doadump" when it panics.  It should either start dumping or complain why
> it can't. Last I checked dumps to ATA worked :)

Typing "call doadump" in the kernel debugger does work. Is there no way to
have the kernel automatically do a dump when the system panics and there
is no debugger compiled in?