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From: Chris Rees <crees@FreeBSD.org>
Date: Mon, 21 May 2012 21:23:17 +0100
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To: Poul-Henning Kamp <phk@phk.freebsd.dk>
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	David Windsor <dwindsor@gmail.com>
Subject: Re: PID/UID namespaces
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On 21 May 2012 20:57, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
> In message <CADLo838voV_Xi+A_WjD3H7E_d4Qi+OdJYnHPoim5BbZAWnXFyg@mail.gmail.com>
> , Chris Rees writes:
>
>>It would certainly prevent many common problems when setting up jails;
>>UID collision is much more common than you'd think, given that the
>>default UIDs remain the same.
>
> Uhm... jails have separate UID/GID spaces.
>
> Filesystems mounted or visible in multiple jails act as shared UID/GID
> (sub-)spaces for those jails, but there is now way to avoid that, it's
> a direct consequence of the sharing of the filesystems.

Yes, beg pardon, my mistake-- that's what I was meaning to refer to.
I still have a patch in GNATS for the docs about that, but it's been
the subject of amazing controversy.

Chris