Date: Mon, 31 Dec 2007 14:11:34 -0500 From: "E. J. Cerejo" <ecerejo@optonline.net> To: Jerry McAllister <jerrymc@msu.edu>, FreeBSD-questions@freebsd.org Subject: Re: Boot Menu Damaged Message-ID: <47793EE6.1010406@optonline.net> In-Reply-To: <20071231173828.GC802@gizmo.acns.msu.edu> References: <000701c84b74$dfc15ca0$0301a8c0@homedcfc9a526e> <20071231145006.GA99984@gizmo.acns.msu.edu> <000401c84bc4$40734af0$0301a8c0@homedcfc9a526e> <20071231173828.GC802@gizmo.acns.msu.edu>
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Jerry McAllister wrote: > On Mon, Dec 31, 2007 at 10:46:04AM -0500, E. J. Cerejo wrote: > > >> ----- Original Message ----- >> From: "Jerry McAllister" <jerrymc@msu.edu> >> To: "E. J. Cerejo" <ecerejo@optonline.net> >> Cc: <FreeBSD-questions@freebsd.org> >> Sent: Monday, December 31, 2007 9:50 AM >> Subject: Re: Boot Menu Damaged >> >> >> >>> On Mon, Dec 31, 2007 at 01:17:51AM -0500, E. J. Cerejo wrote: >>> >>> >>>> I'm running FreeBSD 6 stable and I lost my boot menu after reinstalling >>>> xp >>>> and tried to fix it by booting with instalation cd and run "fdisk -B -b >>>> /boot/boot0 /dev/ad0" it restored it but when I boot I get the mountroot> >>>> prompt, it fails to mount ad0s2a, b, c, d. Is it possible to fix this or >>>> do I have to reinstall freebsd? >>>> >>> It may be that you got the slices no longer marked as bootable. >>> Try using fdisk(8) or boot0cfg(8) to re-enable booting on those slices. >>> >>> ////jerry >>> >> Do you run it from the instalation CD using fixit or run from the mountroot >> prompt on the computer. It seems to me I can't can any commands from this >> prompt. >> > > I would do it from the fixit. > > Well that didn't work but I finally fixed it. from the moutroot I was able to go into single user mode by running these commands: ufs:/dev/ad0s2a fsck -p / mount / after this I was able to check and fix my /etc/fstab file, for some reason the mount points got all changed to slice 4, e.g. ad0s4a, changed them back to ad0s2a and so on, after that I was able to boot just fine. How it happened I have no idea.
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