From owner-freebsd-current@FreeBSD.ORG Thu Apr 8 02:10:42 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 287D116A4D1; Thu, 8 Apr 2004 02:10:42 -0700 (PDT) Received: from mail009.syd.optusnet.com.au (mail009.syd.optusnet.com.au [211.29.132.64]) by mx1.FreeBSD.org (Postfix) with ESMTP id 79BBA43D54; Thu, 8 Apr 2004 02:10:40 -0700 (PDT) (envelope-from peterjeremy@optushome.com.au) Received: from server.vk2pj.dyndns.org (c211-30-75-229.belrs2.nsw.optusnet.com.au [211.30.75.229]) i389Aa129424; Thu, 8 Apr 2004 19:10:38 +1000 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1])i389AURu006557; Thu, 8 Apr 2004 19:10:30 +1000 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.12.10/8.12.10/Submit) id i389AUVt006556; Thu, 8 Apr 2004 19:10:30 +1000 (EST) (envelope-from peter) Date: Thu, 8 Apr 2004 19:10:30 +1000 From: Peter Jeremy To: Robert Watson Message-ID: <20040408091030.GA6458@server.vk2pj.dyndns.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i cc: current@freebsd.org Subject: Re: panic on one cpu leaves others running... 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, 08 Apr 2004 09:10:42 -0000 On Thu, Apr 08, 2004 at 12:13:39AM -0400, Robert Watson wrote: >Funky, eh? I thought we used to have code to ipi the other cpu's and halt >them until the cpu in ddb was out agian. I guess I mis-remember, or that >code is broken... Look on it as a feature - most other Unices can't survive a panic. Being able to continue running in a degraded mode until a suitable maintenance window is available would be a real selling point in HA applications. Even being able to shutdown cleanly would be better than coming to a screaming halt. :-) (sort of). Peter