Re: Unable to mount the root fs on stable/8 r264339, GENERIC kernel,

On Sat, 12 Apr 2014, Trond Endrest=F8l wrote:
> On Fri, 11 Apr 2014 23:09-0600, Warren Block wrote:
>>
>> My first guess would be missing bootcode in the BSDlabel slice.  But I m=
ay
>> have missed that when I missed earlier parts of this thread.
>
> How? Why? The system has booted FreeBSD stable/8 for the last five
> years using MBR, slice, and UFS labels. Why should it stop all of a
> sudden?

Accidental overwrite or (long shot) disk sector failure?  I don't know, =

really.  Check the smartctl output for that disk.  The BSDlabel bootcode =

can be reinstalled without harming the filesystems.  I'd still make a =

backup first, something questionable is going on.

Inclusion of the geom_raid kernel module for the first time, and old =

RAID metadata on the disk?  That would show in /var/log/messages or =

dmesg.  If that's the problem, it can be disabled in loader.conf or at a =

boot prompt with kern.geom.raid.enable=3D0.
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