crashing fresbsd 5.1-current?

Matthew Seaman m.seaman at
Wed May 21 06:33:34 PDT 2003

On Wed, May 21, 2003 at 06:39:27AM -0600, Aaron Wohl wrote:
> How do I crash freebsd? I changed the dump* stuff in /etc/rc.conf.  I
> want to make sure it works.  I looked at man shutdown and man poweroff
> but I dont see a crash option.  There should be some option to a system
> call you need to be root to do that internaly does panic("test crash") ?

Compile a kernel with DDB interactive kernel debugger support
("options DDB" in your kernel config file), and use the Ctrl-Alt-Esc
vulcan nerve pinch to break to the debugger.  Now, just tell the
system to "panic", et voila.


for details.



Dr Matthew J Seaman MA, D.Phil.                       26 The Paddocks
                                                      Savill Way
PGP:         Marlow
Tel: +44 1628 476614                                  Bucks., SL7 1TH UK
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