From owner-freebsd-current Wed Mar 10 16:40:54 1999 Delivered-To: freebsd-current@freebsd.org Received: from fledge.watson.org (FLEDGE.RES.CMU.EDU [128.2.93.229]) by hub.freebsd.org (Postfix) with ESMTP id E2E85150FF for ; Wed, 10 Mar 1999 16:40:51 -0800 (PST) (envelope-from robert@cyrus.watson.org) Received: from fledge.watson.org (robert@fledge.pr.watson.org [192.0.2.3]) by fledge.watson.org (8.8.8/8.8.8) with SMTP id TAA28039; Wed, 10 Mar 1999 19:39:24 -0500 (EST) (envelope-from robert@cyrus.watson.org) Date: Wed, 10 Mar 1999 19:39:23 -0500 (EST) From: Robert Watson X-Sender: robert@fledge.watson.org Reply-To: Robert Watson To: sthaug@nethelp.no Cc: des@flood.ping.uio.no, dillon@apollo.backplane.com, dcs@newsguy.com, Jos.Backus@nl.origin-it.com, dima@tejblum.dnttm.rssi.ru, perhaps@yes.no, freebsd-current@FreeBSD.ORG Subject: Re: panic: zone: entry not free In-Reply-To: <28892.921083219@verdi.nethelp.no> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, 10 Mar 1999 sthaug@nethelp.no wrote: > > Uh, no. Invariants are for developers who want to make sure their code > > is correct. There is no reason why an end user would want to build a > > kernel with invariants enabled. Invariants will *not* increase data > > safety. If they have any effect at all (i.e. if they actually catch a > > bug), the result is a panic (whereas with a kernel without invariants, > > the bug might actually go unnoticed). > > So for the end user it's better to have the bug go unnoticed than to > get a kernel panic and notice the bug? Please tell me I'm misunder- > standing something here. # Halt the system (panic) on discovering an unexpected kernel # inconsistency, in an attempt to prevent data corruption. Disabled # by default on production releases because of increased CPU load and that # these states "should never happen". Good on -CURRENT. # # Bugs: Does not stop on other kinds of failures (hardware, etc) # # options FAILSTOP Robert N Watson robert@fledge.watson.org http://www.watson.org/~robert/ PGP key fingerprint: 03 01 DD 8E 15 67 48 73 25 6D 10 FC EC 68 C1 1C Carnegie Mellon University http://www.cmu.edu/ TIS Labs at Network Associates, Inc. http://www.tis.com/ Safeport Network Services http://www.safeport.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message