Date: Wed, 21 May 2003 14:33:27 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: Aaron Wohl <freebsd@soith.com> Cc: FreeBSD-questions@freebsd.org Subject: Re: crashing fresbsd 5.1-current? Message-ID: <20030521133327.GB96950@happy-idiot-talk.infracaninophile.co.uk> In-Reply-To: <20030521123927.34A262EEDF@www.fastmail.fm> References: <20030521123927.34A262EEDF@www.fastmail.fm>
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--qlTNgmc+xy1dBmNv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. See http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/ke= rneldebug-online-ddb.html for details. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks Savill Way PGP: http://www.infracaninophile.co.uk/pgpkey Marlow Tel: +44 1628 476614 Bucks., SL7 1TH UK --qlTNgmc+xy1dBmNv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE+y4AndtESqEQa7a0RAmppAKCTYhIhgl4OY9kD26ARNO9LseP8egCfYJ09 XcmQls80qM+7yoThVrTVg3Y= =VqCR -----END PGP SIGNATURE----- --qlTNgmc+xy1dBmNv--
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