Date: Fri, 16 Aug 2002 18:22:58 -0700 From: Darren Pilgrim <dmp@pantherdragon.org> To: Mike Hogsett <hogsett@csl.sri.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: When the world doesn't match the kernel, what won't work? Message-ID: <3D5DA572.2A06A86E@pantherdragon.org> References: <200208170015.g7H0F1NL000871@axp.csl.sri.com>
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Mike Hogsett wrote: > > Things like /usr/bin/top which read kernel variables is a good example of > something that is going to break. Shells and simple userland programs that only do stuff like read from standard I/O, manipulate files, and run other simple userland programs won't be effected? > Rather than a new kernel and old world why not do > > cd /usr/src > make buildworld && \ > make buildkernel KERNCONF=mykernelconf && \ > make installworld && \ > make installkernel KERNCONF=mykernelconf && \ > reboot Please read the make world section of the handbook, it's very unsafe to do things this way. You need to test the new kernel before do the installworld. If the kernel isn't working, you can fall back to the old kernel and still have a perfectly good system. If you don't test the kernel, and it doesn't work you wind up with "a very sick" system. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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