So it seems that this is related to pam_namespace, sessions
and polyinstantiated directories. Can't say I've got my head around this
yet, but I can make the mount --move work:

On 20 May 2013 17:01, Norman Gaywood <[email protected]> wrote:

> # cd /var/tmp/
> # mkdir -p foo bar
> # mount -t tmpfs tmpfs foo
>

mount  --make-runbindable /


> # mount  --move foo bar
>

 Homework now is to understand "man pam_namespace",
http://lwn.net/Articles/159077 and http://lwn.net/Articles/159092

-- 
Norman Gaywood, Computer Systems Officer
University of New England, Armidale,
NSW 2351, Australia

[email protected]            Phone: +61 (0)2 6773 2412
http://mcs.une.edu.au/~norm    Fax:   +61 (0)2 6773 3312

Please avoid sending me Word or Power Point attachments.
See http://www.gnu.org/philosophy/no-word-attachments.html
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