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Date: Sun, 13 Jul 2003 16:04:07 -0700 (PDT)
From: Static <static@ninja-assassin.com>
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Subject: Re: bad namelist
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On Sun, 13 Jul 2003, Lowell Gilbert wrote:

> Static <static@ninja-assassin.com> writes:
>
> > I'm running fbsd 4.7 in a jail environment.  I am unable to run the
> > following commands (so far) uptime, w, ps.  I get the message 'bad
> > namelist'   I did some googling and found some responses from about 2
> > years ago stating incomplete upgrade.  This was not the case, there has
> > been no update.
> >
> > %w
> > w: bad namelist
> > %w -n
> > w: bad namelist
> > %uptime
> > uptime: bad namelist
> > %ps
> > ps: bad namelist
> > %ps auxwwww
> > ps: bad namelist
> >
> >
> > FreeBSD inton.Ninja-assassin.com 4.7-RELEASE FreeBSD 4.7-RELEASE #0: Thu
> > Feb  6 22:32:38 PST 2003
> > user@jail9.johncompanies.com:/usr/src/sys/compile/47  i386
> >
> > Any suggestions on things to look at?   Reboot has not helped.
>
> Well, I wouldn't *expect* a jail to be able to pull the process list
> out of the kernel.  It seems like a terrible idea to allow in the
> first place.  I can imagine a carefully limited interface for getting
> some of that information out, but last I recall (and admittedly that's
> a pretty rusty memory), those programs dove directly into kernel data
> structures.
>

For the last couple months I was able to pull ps information out, and it
only showed me the processes belonging to my jail. I was also able to run
the other commands that come up with bad namelist.