Date: Wed, 20 Oct 2004 21:58:35 -0300 (ADT) From: "Marc G. Fournier" <scrappy@hub.org> To: Alex de Kruijff <freebsd@akruijff.dds.nl> Cc: "current@freebsd.org" <current@FreeBSD.org> Subject: Re: [Fwd: What do people think about not installing a stripped /kernel ?] Message-ID: <20041020215754.U25182@ganymede.hub.org> In-Reply-To: <20041020165900.GB834@alex.lan> References: <41767CF1.2020005@FreeBSD.org> <20041020165900.GB834@alex.lan>
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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 <dillon@apollo.backplane.com> >> 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 ... ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email: scrappy@hub.org Yahoo!: yscrappy ICQ: 7615664
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