From owner-freebsd-current@FreeBSD.ORG Sat Oct 23 14:08:45 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 55B7B16A4CE; Sat, 23 Oct 2004 14:08:45 +0000 (GMT) Received: from smtp18.wxs.nl (smtp18.wxs.nl [195.121.6.14]) by mx1.FreeBSD.org (Postfix) with ESMTP id B8B8D43D3F; Sat, 23 Oct 2004 14:08:44 +0000 (GMT) (envelope-from freebsd@akruijff.dds.nl) Received: from kruij557.speed.planet.nl (ipd50a97ba.speed.planet.nl [213.10.151.186]) by smtp18.wxs.nl (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTP id <0I6100MGRJAJZ1@smtp18.wxs.nl>; Sat, 23 Oct 2004 16:08:43 +0200 (CEST) Received: from alex.lan (localhost [127.0.0.1]) by kruij557.speed.planet.nl (8.13.1/8.13.1) with ESMTP id i9NE8hSb008584; Sat, 23 Oct 2004 16:08:43 +0200 Received: (from akruijff@localhost) by alex.lan (8.13.1/8.13.1/Submit) id i9NE8gmx008583; Sat, 23 Oct 2004 16:08:42 +0200 Content-return: prohibited Date: Sat, 23 Oct 2004 16:08:42 +0200 From: Alex de Kruijff In-reply-to: <20041020215754.U25182@ganymede.hub.org> To: "Marc G. Fournier" Message-id: <20041023140842.GA8486@alex.lan> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Content-disposition: inline User-Agent: Mutt/1.4.2.1i References: <41767CF1.2020005@FreeBSD.org> <20041020165900.GB834@alex.lan> <20041020215754.U25182@ganymede.hub.org> X-Authentication-warning: alex.lan: akruijff set sender to freebsd@akruijff.dds.nl using -f cc: Maxim Sobolev cc: "current@freebsd.org" Subject: Re: [Fwd: What do people think about not installing a stripped /kernel ?] 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: Sat, 23 Oct 2004 14:08:45 -0000 On Wed, Oct 20, 2004 at 09:58:35PM -0300, Marc G. Fournier wrote: > On Wed, 20 Oct 2004, Alex de Kruijff wrote: > > >>-------- Original Message -------- > >>Subject: What do people think about not installing a stripped /kernel ? > >>Date: Mon, 18 Oct 2004 15:12:00 -0700 (PDT) > >>From: Matthew Dillon > >>Newsgroups: dragonfly.kernel > >> > >>The only cost is disk space... e.g. 3MB stripped kernel verses 16MB > >>debug kernel. But the debug info isn't actually loaded into memory so > >>the kernel load time and memory overhead is the same as with the stripped > >>version. > >> > >>The issue is bug reports and kernel core dumps. I can't count the number > >>of times I have had to carefully instruct people to retrieve their > >>kernel.debug's for bug reporting purposes. And even my own debugging > >>would be more convenient if I didn't have to save off a separate copy of > >>the debug version of the kernel. > >> > >>What I'm thinking of doing is having the installkernel target install the > >>debug version rather then the stripped version unless told to install > >>the stripped version with a new option, e.g. 'options INSTALL_STRIPPED'. > >>We would ship full debug GENERIC kernels instead of stripped kernels. > >>i.e. we aren't getting rid of the ability to install a stripped kernel, > >>we just aren't making it the default any more. > >> > >>What do people think? > > > >There are a couple downside. > > > >1. Performance issues. (i.e. Longer startup time) > >2. There's more kernel to go in to the memory. > > Ummm, from reading Matt's posting, neither of these two apply ... he > states this right in his first paragraph ... I'm sorry I overlooked that. -- Alex