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Date:      Sat, 3 Feb 2001 20:03:20 +0300 (MSK)
From:      sgt@fep.ru
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   kern/24829: ufs incompatibility (4.1.1-STABLE -> 4.2-STABLE)
Message-ID:  <200102031703.f13H3KS00426@beavis.fep.ru>

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>Number:         24829
>Category:       kern
>Synopsis:       ufs incompatibility (4.1.1-STABLE -> 4.2-STABLE)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Feb 03 09:10:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Sergei Barbarash
>Release:        FreeBSD 4.2-STABLE i386
>Organization:
>Environment:

The system was installed as a 3.2-RELEASE and was periodically synced with
STABLE. The filesystems were formatted originally using bad144, then with
the switch to 4-STABLE bad144 flag was removed with disklabel -e -r.

>Description:

After latest 4.2-STABLE upgrade, new kernel panics with:

/: bad dir ino 2 at offset 0: mangled entry
panic: ufs_dirbad: baddir

This occured only on 4.2-STABLE. With 4.1.1-STABLE everything was fine.

>How-To-Repeat:

Use an once-bad144'd filesystem with 4.2-STABLE

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:


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