Dtrace: hotkernel+buildworld -> crash

[Willem Jan Withagen]

Artem Belevich wrote:
> Hi,
> 
> I'm not sure if it's a known issue or not, but running hotkernel
> script from DTraceToolkit-0.99
> during "make buildworld -j8" easily crashes -current  (cvsup'ed on Oct
> 20th) on amd64 (Quad core Q9450)
> when I press ^C to stop the script.
> 
> Kernel is GENERIC with WITNESS/INVARIANTS disabled and some
> SCSI/wireless/NIC drivers removed.
> 
> I was unable to dump kernel core - debugger always gets another trap
> and returns
> to the prompt. The box does not have serial ports, so I've typed in
> portions of stack
> traces below from the screen.

I have the same problem, even without using Dtrace.
I can not get the system to dump.
But I'm still trying to get my console to work.
Just following the handbook, but haven't managed yet.

--WjW