Re: Boot Menu Damaged

Jerry McAllister wrote:
On Mon, Dec 31, 2007 at 10:46:04AM -0500, E. J. Cerejo wrote:

----- Original Message ----- From: "Jerry McAllister" <jerrymc@xxxxxxx>
To: "E. J. Cerejo" <ecerejo@xxxxxxxxxxxxx>
Cc: <FreeBSD-questions@xxxxxxxxxxx>
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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