From owner-freebsd-hackers@FreeBSD.ORG  Mon Apr 23 06:36:26 2012
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id E99C2106564A
	for <hackers@freebsd.org>; Mon, 23 Apr 2012 06:36:26 +0000 (UTC)
	(envelope-from andrey@zonov.org)
Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com
	[209.85.217.182])
	by mx1.freebsd.org (Postfix) with ESMTP id 66CAA8FC15
	for <hackers@freebsd.org>; Mon, 23 Apr 2012 06:36:26 +0000 (UTC)
Received: by lbbgm6 with SMTP id gm6so5322822lbb.13
	for <hackers@freebsd.org>; Sun, 22 Apr 2012 23:36:25 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=google.com; s=20120113;
	h=message-id:date:from:user-agent:mime-version:to:cc:subject
	:references:in-reply-to:content-type:content-transfer-encoding
	:x-gm-message-state;
	bh=vcjQZitpZMyOj519MSsywIA+lZzVkI6JR1pUNobxEOs=;
	b=c+HeDx/X7V0EnP8s2LWuUsdrdg6IFOqVzAUZ2eij7Db+VX7rf6luPBLuyJxyyA4z0I
	a4yoDkPRGUIyZBdNE6tlCz7N4WWvFh2VZE2alUFv4XMBhSwfWwQj8pmE8wtAMuQIbS0O
	QVRH+VQu59LVSFZgpCaqbNNyKyN+VNiOlK8mjYOMM/28iPXjMveg+aYxN0bKvTQ5vhaJ
	azVBZAGjcKFs54h71Hejlm0acynmLY0imr+lZKQKim7id+PfuvB54tG4Xe/lDBbUMU7A
	/goCQSkCGgn1hDRcKbdzt+ESz8/pAkaoTLUBGpxHLybOl+9jdBoW2M7XVn2OtFyOg6JT
	td+Q==
Received: by 10.152.112.97 with SMTP id ip1mr899949lab.31.1335162985208;
	Sun, 22 Apr 2012 23:36:25 -0700 (PDT)
Received: from zont-osx.local (ppp95-165-137-153.pppoe.spdop.ru.
	[95.165.137.153]) by mx.google.com with ESMTPS id
	pb13sm14613546lab.16.2012.04.22.23.36.24
	(version=SSLv3 cipher=OTHER); Sun, 22 Apr 2012 23:36:24 -0700 (PDT)
Message-ID: <4F94F867.50703@zonov.org>
Date: Mon, 23 Apr 2012 10:36:23 +0400
From: Andrey Zonov <andrey@zonov.org>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7;
	rv:11.0) Gecko/20120327 Thunderbird/11.0.1
MIME-Version: 1.0
To: rank1seeker@gmail.com
References: <20120422.120742.857.2@DOMY-PC>
In-Reply-To: <20120422.120742.857.2@DOMY-PC>
Content-Type: text/plain; charset=windows-1250; format=flowed
Content-Transfer-Encoding: 7bit
X-Gm-Message-State: ALoCoQk20bYHYD6M43FnLPdJ3pU0WOA7IKGXvrqZt18K73PQ4IvNnWxppMJgs4RcPihHG+QPRIcQ
Cc: hackers@freebsd.org
Subject: Re: service causes ps errors in chroot
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 23 Apr 2012 06:36:27 -0000

On 4/22/12 4:07 PM, rank1seeker@gmail.com wrote:
> When I use '/usr/sbin/service' in chroot, it outputs:
> ps: empty file: Invalid argument
>    OR
> ps: cannot read IdlePTD
>
> But it does work.
>

I think you need devfs in your chroot.  Try this:

mount -t devfs devfs /path/to/chroot/dev


-- 
Andrey Zonov