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Date: Sun, 2 Jun 2019 16:05:29 +0300
From: Konstantin Belousov <kostikbel@gmail.com>
To: Stefan Hegnauer <stefan.hegnauer@gmx.ch>
Cc: freebsd-stable@freebsd.org
Subject: Re: ps -J0 broken?
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On Sun, Jun 02, 2019 at 02:30:49PM +0200, Stefan Hegnauer wrote:
> Hi,
> 
> after a recent full update to 12.0-STABLE r348382 it seems that '/bin/ps
> -J 0' is broken: 'ps: Invalid jail id: 0'.
> It did work on stable for the last couple years prior to this update
> (last update without this error was about 5 weeks ago), and should still
> work according to ps(1):
>      -J      Display information about processes which match the specified
>              jail IDs.  This may be either the jid or name of the jail. 
> **Use**
> **             -J 0 to display only host processes*.*  This flag implies
> -x by
>              default.
> 
> My system runs several jails with JID's currently in the range 80-100.
> The source code of ps did not change for the last 7 month as far as I
> can tell. A fresh 'make clean & make & make install' of just ps did not
> help either, which was not really surprising to me.
> Any pointers where to look further?
Is your libjail up to date ?  Do you have r348297 ?