Date: Tue, 15 Nov 2005 22:35:39 -0500 From: Kris Kennaway <kris@obsecurity.org> To: David Wolfskill <david@bunrab.catwhisker.org>, stable@freebsd.org Subject: Re: Swapfile problem in 6? Message-ID: <20051116033539.GA57529@xor.obsecurity.org> In-Reply-To: <20051116031835.GS69015@bunrab.catwhisker.org> References: <20051115103821.GJ39882@cirb503493.alcatel.com.au> <20051116020933.72951.qmail@web36209.mail.mud.yahoo.com> <20051116031835.GS69015@bunrab.catwhisker.org>
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--mP3DRpeJDSE+ciuQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Nov 15, 2005 at 07:18:35PM -0800, David Wolfskill wrote: > On Tue, Nov 15, 2005 at 06:09:33PM -0800, Rob wrote: > > ... >=20 > > > Yes. See above URL. The advantage is that you can > > > (hopefully) capture a log of your debug session. > > > Send a serial BREAK and you should get a DDB> > > > prompt. > >=20 > > What is this "serial BREAK"? > > How do I "send a serial BREAK" at the serial > > console? Is this some magic key combination? >=20 > I'm probably saying something about my age by doing this.... :-} >=20 > A "BREAK" (in serial communications) is an absence of start or stop > bits for more than a character's worth of bits, is handled as a > "framing error," and is distinct from any character. If your serial program has trouble sending a break, you can use the ALT_BREAK_TO_DEBUGGER config option which instead listens for a sequence of ascii input: #define KEY_CR 13 /* CR '\r' */ #define KEY_TILDE 126 /* ~ */ #define KEY_CRTLB 2 /* ^B */ Kris --mP3DRpeJDSE+ciuQ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDeqkLWry0BWjoQKURAnViAKCBO/I8s4Fc0AlndNx4x0nt8kOR3QCg/lb1 KOT9/0enDkHtgGW4xXyj8KA= =exN4 -----END PGP SIGNATURE----- --mP3DRpeJDSE+ciuQ--
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