kernel panic on jailed sshd - 4.9-release

Helge Oldach helge.oldach at atosorigin.com
Thu Nov 13 23:47:21 PST 2003


Oliver Fromme:
>Marc G. Fournier <scrappy at hub.org> wrote:
> > On Tue, 11 Nov 2003, Oliver Fromme wrote:
> > > Kovács János <kovacs.janos at 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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