Date: Wed, 23 Mar 2005 06:18:33 +0200 From: Abu Khaled <khaled.abu@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: cannot boot 5.3 after power failure - major bug? Message-ID: <a64c109e050322201823c327eb@mail.gmail.com> In-Reply-To: <20050323033241.38717.qmail@web53910.mail.yahoo.com> References: <20050323033241.38717.qmail@web53910.mail.yahoo.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 22 Mar 2005 19:32:41 -0800 (PST), stheg olloydson <stheg_olloydson@yahoo.com> 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?a64c109e050322201823c327eb>