From owner-freebsd-questions@FreeBSD.ORG Wed Mar 23 04:18:34 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7C2B116A4CE for ; Wed, 23 Mar 2005 04:18:34 +0000 (GMT) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.202]) by mx1.FreeBSD.org (Postfix) with ESMTP id 04CEF43D55 for ; Wed, 23 Mar 2005 04:18:34 +0000 (GMT) (envelope-from khaled.abu@gmail.com) Received: by wproxy.gmail.com with SMTP id 71so44080wri for ; Tue, 22 Mar 2005 20:18:33 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=rTCZI+zUUYR61c9mq1OXnyfZ4ivBvKTcWpEFxeMoOL0bT31e66r0KWFh98qDbybUpxtqP38KJxLy1cI9AELNmiuhuMwlUQYf8rOJjLGnrrX3e78SzMLKPCWIMKDdygQ7xdue/ZeevswmgcPhpy8Ot4MxbuOpF4Gp/umo6JTHX7I= Received: by 10.54.100.11 with SMTP id x11mr252494wrb; Tue, 22 Mar 2005 20:18:33 -0800 (PST) Received: by 10.54.23.34 with HTTP; Tue, 22 Mar 2005 20:18:33 -0800 (PST) Message-ID: Date: Wed, 23 Mar 2005 06:18:33 +0200 From: Abu Khaled To: freebsd-questions@freebsd.org In-Reply-To: <20050323033241.38717.qmail@web53910.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit References: <20050323033241.38717.qmail@web53910.mail.yahoo.com> Subject: Re: cannot boot 5.3 after power failure - major bug? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Abu Khaled List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Mar 2005 04:18:34 -0000 On Tue, 22 Mar 2005 19:32:41 -0800 (PST), stheg olloydson wrote: > Hello, > > While testing 5.3, I deliberately cut power to the box and > powered up. Much to my surprise, I receive the following error: > > error 16 lba > invalid format error 16 lba = 0x10 Uncorrectable CRC/ECC error > > FreeBSD/i386 boot > Default: 0:ad(0,a)/kernel > boot: > No /kernel > Yup you did it the booting process can't find the kernel to boot. > FreeBSD/i386 boot > Default: 0:ad(0,a)/kernel > boot: > > The disk is/was formatted as UFS2 (dangerously dedicated) with > softupdates. If I enter a command, nothing happens: > > FreeBSD/i386 boot > Default: 0:ad(0,a)/kernel > boot:fsck -y > You can enter commands relevant to the booting process it is not a shell or something like that. > FreeBSD/i386 boot > Default: 0:ad(0,a)fsck > boot: > > If I enter a question mark, I get a listing of the root > filesystem's contents. (If the disk format were truly unknown, > how is this possible?) A question mark "?" Give a short listing of the files in the root directory of the default boot device, as a hint about available boot files. > This problem appears to be identical to the one posted by cell > on 3/14/05, so this would seem to be a repeatable problem. > Because this is a test box, I could just flatten it and > reinstall, I would rather do a graceful recovery. Any > suggestions on how to accomplish this would be appreciated. > Note: Any suggestions involving using Release Disc 2 are > problematic. For some reason, the iso will not burn; the process > hangs immediately. I downloaded it from four different sites, > including ftp.freebsd.org with identical results. (The other > three disc images burn correctly.) > > Thanks for your time, > > stheg > Well you can try to boot manually it may work. type the following at the boot prompt 0:ad(0,a)/boot/loader OR 0:ad(0,a)/boot/kernel If it works the you might have a chance to fix the problem. Somehow I seem to have forgoten what to do next. I'll check the handbook !!! -- Kind regards Abu Khaled