From owner-freebsd-current@FreeBSD.ORG Thu Mar 4 14:59:00 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7B00716A4CE for ; Thu, 4 Mar 2004 14:59:00 -0800 (PST) Received: from ozlabs.org (ozlabs.org [203.10.76.45]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0586943D1D for ; Thu, 4 Mar 2004 14:59:00 -0800 (PST) (envelope-from grog@lemis.com) Received: from blackwater.lemis.com (blackwater.lemis.com [192.109.197.80]) by ozlabs.org (Postfix) with ESMTP id D50AA2BD7B for ; Fri, 5 Mar 2004 09:58:56 +1100 (EST) Received: by blackwater.lemis.com (Postfix, from userid 1004) id DD29F51228; Fri, 5 Mar 2004 09:28:54 +1030 (CST) Date: Fri, 5 Mar 2004 09:28:54 +1030 From: Greg 'groggy' Lehey To: vladimir@math.uic.edu Message-ID: <20040304225854.GL43682@wantadilla.lemis.com> References: <20040304201917.GB27377@math.uic.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Cy+5HEalSgyXkpVS" Content-Disposition: inline In-Reply-To: <20040304201917.GB27377@math.uic.edu> User-Agent: Mutt/1.4.1i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 9A1B 8202 BCCE B846 F92F 09AC 22E6 F290 507A 4223 cc: freebsd-current@freebsd.org Subject: Re: debugging lockups X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Mar 2004 22:59:00 -0000 --Cy+5HEalSgyXkpVS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thursday, 4 March 2004 at 14:19:17 -0600, vladimir@math.uic.edu wrote: > Following up on my previous post from a couple of days ago with the > same subject (unfortunately I don't have my original email, so this > will probably start a new thread). A -CURRENT system (built on Mar 3, > 2004) frequently locks up when typing "ps" or "w", in addition to when > killing memory-intensive processes. The system locks up hard, and I > cannot break into the debugger from the console, although the necessary > options are compiled into the kernel. Remote debugging over firewire can help you here. Look at gdb(4), specifically the section "Non-cooperative debugging a live system with a remote firewire link". Greg -- Note: I discard all HTML mail unseen. Finger grog@FreeBSD.org for PGP public key. See complete headers for address and phone numbers. --Cy+5HEalSgyXkpVS Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQFAR7SuIubykFB6QiMRAuWgAJ9IQF53s5rxim+7hzOuauFkwVYQmgCfapiG CF1gmYxJ67PxYOcqnu918AY= =zN4K -----END PGP SIGNATURE----- --Cy+5HEalSgyXkpVS--