From owner-freebsd-stable@FreeBSD.ORG  Sat Aug 31 13:52:04 2013
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id D12123AF;
 Sat, 31 Aug 2013 13:52:04 +0000 (UTC) (envelope-from slw@zxy.spb.ru)
Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98])
 by mx1.freebsd.org (Postfix) with ESMTP id 87DEB231F;
 Sat, 31 Aug 2013 13:52:04 +0000 (UTC)
Received: from slw by zxy.spb.ru with local (Exim 4.69 (FreeBSD))
 (envelope-from <slw@zxy.spb.ru>)
 id 1VFlct-000Fl0-Ng; Sat, 31 Aug 2013 17:54:07 +0400
Date: Sat, 31 Aug 2013 17:54:07 +0400
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Dmitry Morozovsky <marck@rinet.ru>
Subject: Re: Lost CAM Access to DVD Writer
Message-ID: <20130831135407.GB3796@zxy.spb.ru>
References: <5220F437.24888.CC3B3@lausts.acm.org>
 <20130831054630.GA95009@nargothrond.kdm.org>
 <5221E8D9.31243.A1126@lausts.acm.org>
 <20130831134228.GA59931@zxy.spb.ru>
 <alpine.BSF.2.00.1308311742490.76768@woozle.rinet.ru>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <alpine.BSF.2.00.1308311742490.76768@woozle.rinet.ru>
User-Agent: Mutt/1.5.21 (2010-09-15)
X-SA-Exim-Connect-IP: <locally generated>
X-SA-Exim-Mail-From: slw@zxy.spb.ru
X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false
Cc: "Kenneth D. Merry" <ken@freebsd.org>, freebsd-stable@freebsd.org,
 Thomas Laus <lausts@acm.org>
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 31 Aug 2013 13:52:04 -0000

On Sat, Aug 31, 2013 at 05:43:54PM +0400, Dmitry Morozovsky wrote:

> On Sat, 31 Aug 2013, Slawa Olhovchenkov wrote:
> 
> > > > You probably need to recompile whatever application you're using to burn
> > > > CDs.
> > > >
> > > The actual program, cdrecord, works when invoked from the command line.  The 
> > > following script does not:
> > > 
> > > EXAMPLES
> > >      Dumps the /u file system to DVDs using growisofs.  Uses a 16MB cache,
> > >      creates a snapshot of the dump, and records the dumpdates file.
> > > 
> > > /sbin/dump -0u  -L -C16 -B4589840 -P 'growisofs -Z /dev/cd0=/dev/fd/0' /u
> > > 
> > > I wonder if the recent change to devfs might be the root cause of my problem. 
> > > I have been dumping to DVD for years without any issues until now.  Maybe the 
> > > re-direction to /dev/fd/0 requires a different syntax.
> > 
> > Are you sure mount fdescfs? /dev/fd is fdescfs, not devfs.
> 
> Are you sure? At least, std* are there even if fdescfs is absent:
> 
> marck@castor:/FreeBSD/rinet/src.9/sys> kldstat -v | grep fdesc
> marck@castor:/FreeBSD/rinet/src.9/sys> ls /dev/fd
> 0  1  2

> ls /dev/fd/
0       1       2       3       4

Hmm, w/o fdescfs only std*. With fdescfs more.