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Date:      Fri, 14 Nov 2003 08:47:15 +0100 (MET)
From:      Helge Oldach <helge.oldach@atosorigin.com>
To:        freebsd-stable@freebsd.org
Subject:   Re: kernel panic on jailed sshd - 4.9-release
Message-ID:  <200311140747.IAA16901@galaxy.hbg.de.ao-srv.com>
In-Reply-To: <200311121658.hACGwPVJ045423@lurza.secnetix.de> from Oliver Fromme at "Nov 12, 2003  5:58:25 pm"

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Oliver Fromme:
>Marc G. Fournier <scrappy@hub.org> wrote:
> > On Tue, 11 Nov 2003, Oliver Fromme wrote:
> > > Kovács János <kovacs.janos@ofi.hu> wrote:
> > >  > Just installed 4.9-RELEASE with jailed sshd over a null-mounted
> > >  > (bin, dev,etc,usr) dirs crashing.
> > > It's well-known that NULLFS (as well as UNIONFS) are unstable in
> > > FreeBSD 4.x and can cause crashes.
>In most cases when machines crash and NULLFS is in use, the latter is
>causing it.

So far the list's general consensus appears to have been that NULLFS is
stable when file systems had been mounted read-only.

Has that changed? Or is Oliver's statement an over-generalization?

Helge



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