Date: Fri, 20 May 2005 23:35:33 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Goran Gajic <ggajic@sbb.co.yu> Cc: freebsd-questions@www.freebsd.org Subject: Re: DDB Message-ID: <20050521063533.GA51798@xor.obsecurity.org> In-Reply-To: <Pine.BSF.4.62.0505202329450.2797@mail.sbb.co.yu> References: <Pine.BSF.4.62.0505202329450.2797@mail.sbb.co.yu>
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--d6Gm4EdcadzBjdND Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, May 20, 2005 at 11:30:26PM +0200, Goran Gajic wrote: >=20 >=20 > I have compiled my kernel with options SMP and with following > options in hope that I will be able to drop into debuuger > after fatal trap 12 (FreeBSD-5.4-STABLE). I have added following > lines to my config: >=20 > options KDB > options KDB_TRACE > options DDB >=20 > Although dmesg | grep SMP says > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs > SMP: AP CPU #3 Launched! > SMP: AP CPU #1 Launched! > SMP: AP CPU #2 Launched! >=20 > top shows that processes are running only on CPU's 0 and 2. > systat also shows: >=20 > root idle: cpu0 XXXXXXXXXXXXXXXXXXX > nobody squid XXXXXXXXXXXXXXXXXX > root idle: cpu2 XXXXXXXXXXX > root swi1: net X >=20 >=20 > Is this normal, or am I missing something? Do you really have 4 CPUs, or 2 CPUs with hyperthreading, which is now disabled by default (see the recent security advisory)? Kris --d6Gm4EdcadzBjdND Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCjta0Wry0BWjoQKURAqlLAJ9HW/XVPVwwAiErLoiavNnucUmj1ACfSWZd SdXu/0H2UzrOlqnRMsPihBs= =eW9+ -----END PGP SIGNATURE----- --d6Gm4EdcadzBjdND--
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