From owner-freebsd-stable@FreeBSD.ORG  Thu Jul  4 20:48:41 2013
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by hub.freebsd.org (Postfix) with ESMTP id 0390721B
 for <freebsd-stable@freebsd.org>; Thu,  4 Jul 2013 20:48:41 +0000 (UTC)
 (envelope-from mike.jakubik@intertainservices.com)
Received: from mail.intertainservices.com (mail.intertainservices.com
 [69.77.177.114]) by mx1.freebsd.org (Postfix) with ESMTP id D31401E2B
 for <freebsd-stable@freebsd.org>; Thu,  4 Jul 2013 20:48:40 +0000 (UTC)
Received: from freebsd.local (unknown [172.16.10.114])
 by mail.intertainservices.com (Postfix) with ESMTPSA id C52525643A
 for <freebsd-stable@freebsd.org>; Thu,  4 Jul 2013 16:48:38 -0400 (EDT)
Message-ID: <51D5DFA6.6010202@intertainservices.com>
Date: Thu, 04 Jul 2013 16:48:38 -0400
From: Mike Jakubik <mike.jakubik@intertainservices.com>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:17.0) Gecko/20130703 Thunderbird/17.0.7
MIME-Version: 1.0
To: freebsd-stable@freebsd.org
Subject: Re: UFS Trim wont stay set
References: <51D5CEF8.9000504@intertainservices.com>
 <20130704203342.GA98181@icarus.home.lan>
In-Reply-To: <20130704203342.GA98181@icarus.home.lan>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-intertainservices-MailScanner-Information: Please contact the ISP for more
 information
X-intertainservices-MailScanner-ID: C52525643A.AED7D
X-intertainservices-MailScanner: Found to be clean
X-intertainservices-MailScanner-From: mike.jakubik@intertainservices.com
X-Spam-Status: No
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: Thu, 04 Jul 2013 20:48:41 -0000

On 07/04/13 16:33, Jeremy Chadwick wrote:
> Yup, experienced this myself many times over. The reasons are 
> understood (it's not limited to just the TRIM bits, it's related to 
> anything adjusting the superblock -- it gets cached in memory in 
> certain situations and not flushed back to disk). Hint: are you 
> booting into single user and then issuing a "mount" command before 
> doing your tunefs stuff? If so, this is probably what's causing it (at 
> least it was in my case). Instead just boot into single-user, do not 
> mount anything, and use /sbin/tunefs (if available -- depends on your 
> filesystem setup) or /rescue/tunefs. 

I booted in to single user mode and the system mounted the only file 
system there, which is mounted at /. What i did now however is boot off 
a Live CD and run tunefs, this did the trick!

Thank You!