From owner-freebsd-questions@FreeBSD.ORG Wed Sep 15 05:57:02 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 758) id 500DC16A4CF; Wed, 15 Sep 2004 05:57:02 +0000 (GMT) Date: Wed, 15 Sep 2004 05:57:02 +0000 From: Kris Kennaway To: Peter Message-ID: <20040915055702.GC26551@hub.freebsd.org> References: <4147CEE6.9030609@kuyarov.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4147CEE6.9030609@kuyarov.org> User-Agent: Mutt/1.4.1i cc: freebsd-questions@freebsd.org Subject: Re: downgraded server from 5.2 to 5.1, everything dumps core now. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Sep 2004 05:57:02 -0000 On Tue, Sep 14, 2004 at 11:11:02PM -0600, Peter wrote: > Hello, > I was doing an upgrade to several servers, and one of them I > accidentally cvsupped from RELENG_5_2 to RELENG_5_1, did a normal > buildworld/kernel, install kernel/world, and lastly a reboot. When I > realized that I had accidentally downgraded, I tried to upgrade, cvsup > ran fine. But now buildworld, and tons of other commands > [w,config,man,ifconfig,etc.etc.] dont' work, or just core dump on me > with "Bad System Call". > Question: Even though I downgraded, the system should function > right? If you did it properly, yeah. You're trying to run 5.2 binaries on a 5.1 kernel, which will not work. At this point you can go back to the 5.2 kernel, or reinstall 5.1 from other media (CD, FTP, etc). Kris