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Date:      Tue, 10 Apr 2001 14:09:21 -0400
From:      Michael Lucas <mwlucas@blackhelicopters.org>
To:        questions@freebsd.org
Subject:   fsck -- "bad super block: values in super block disagree..."
Message-ID:  <20010410140921.A17156@blackhelicopters.org>

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Okay, I've finally rendered a FreeBSD system unbootable.

-current as of this afternoon:

acquring duplicate lock of same type: "allproc"
 1st @ ../../kern/kern_proc.c:584
 2nd @ ../../kern/kern_proc.c:143
swapon: adding /dev/ad0s2b as swap device
Automatic boot in progress...
/dev/ad0s2a: BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE

/dev/ad0s2a: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
/dev/ad0s2a: Automatic file system check failed . . . help!
Enter full pathname of shell or RETURN for /bin/sh: 
# fsck -y
** /dev/ad0s2a
BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE
/dev/ad0s2a: INCOMPLETE LABEL: type 4.2BSD fsize 0, frag 0, cpg 0, size 204800
** /dev/ad0s2f
BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE
/dev/ad0s2f: INCOMPLETE LABEL: type 4.2BSD fsize 0, frag 0, cpg 0, size 12367932
** /dev/ad0s2e
BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE
/dev/ad0s2e: INCOMPLETE LABEL: type 4.2BSD fsize 0, frag 0, cpg 0, size 204800
# 


I've never seen this error before, and there's nothing in the
archives.  Any suggestions?

Thanks,
==ml

-- 
Michael Lucas
mwlucas@blackhelicopters.org
http://www.blackhelicopters.org/~mwlucas/
Big Scary Daemons: http://www.oreillynet.com/pub/q/Big_Scary_Daemons

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