From owner-freebsd-questions@FreeBSD.ORG Sat Dec 5 02:33:37 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A24C41065693 for ; Sat, 5 Dec 2009 02:33:37 +0000 (UTC) (envelope-from freebsd@akruijff.dds.nl) Received: from CPSMTPM-EML110.kpnxchange.com (cpsmtpm-eml110.kpnxchange.com [195.121.3.14]) by mx1.freebsd.org (Postfix) with ESMTP id 316E38FC24 for ; Sat, 5 Dec 2009 02:33:36 +0000 (UTC) Received: from ip51cc8423.speed.planet.nl ([81.204.132.35]) by CPSMTPM-EML110.kpnxchange.com with Microsoft SMTPSVC(7.0.6001.18000); Sat, 5 Dec 2009 03:33:35 +0100 Received: from Alex1.lan (localhost [127.0.0.1]) by ip51cc8423.speed.planet.nl (8.14.2/8.14.2) with ESMTP id nB52XZjU003539; Sat, 5 Dec 2009 03:33:35 +0100 (CET) (envelope-from freebsd@akruijff.dds.nl) Received: (from akruijff@localhost) by Alex1.lan (8.14.2/8.14.2/Submit) id nB52XYnh003538; Sat, 5 Dec 2009 03:33:34 +0100 (CET) (envelope-from freebsd@akruijff.dds.nl) X-Authentication-Warning: Alex1.lan: akruijff set sender to freebsd@akruijff.dds.nl using -f Date: Sat, 5 Dec 2009 03:33:34 +0100 From: Alex de Kruijff To: Manolis Kiagias Message-ID: <20091205023334.GB1495@Alex1.lan> References: <861961dd0910302020t728a9771tee9e628d618ab0e6@mail.gmail.com> <4AEBC577.7080204@otenet.gr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4AEBC577.7080204@otenet.gr> User-Agent: Mutt/1.4.2.3i X-OriginalArrivalTime: 05 Dec 2009 02:33:35.0425 (UTC) FILETIME=[58190310:01CA7553] Cc: oscar Seo , freebsd-questions@freebsd.org Subject: Re: freebsd 6.4 can't load kernel after upgrade X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsd@akruijff.dds.nl List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Dec 2009 02:33:37 -0000 On Sat, Oct 31, 2009 at 07:04:55AM +0200, Manolis Kiagias wrote: > oscar Seo wrote: > > I'm a beginner in freebsd. > > my machine consists of freebsd-6.4 + i386 bootstrap loader,+ windowmaker > > after upgrade freebsd-6.4 using sysinstall then reboot the system, > > I got an error message as follows > > +++++++++++++++++++++++++++++++++++++++ > > Loading /boot/defaults/loader.conf > > Unable to load a kernel! > > / > > can't load 'kernel' > > > > Type '?' for a list of commands, 'help' for more detailed help. > > OK _ > > +++++++++++++++++++++++++++++++++++++++ > > > You could try loading your old kernel. When you build a new kernel, your > old kernel is preserved under /boot/kernel.old > > Type these commands in the loader prompt > > unload (probably not needed here) > load kernel.old > boot Because kernel.old is overwritten with each attemt you might mv /boot/kernel.old to /boot/kernel.good. This prevents you from being stuck with a system you can't boot. -- Alex