From owner-freebsd-questions@FreeBSD.ORG  Tue Jul 15 16:51:06 2008
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 95A03106564A
	for <freebsd-questions@freebsd.org>;
	Tue, 15 Jul 2008 16:51:06 +0000 (UTC)
	(envelope-from jeff@m2.seamanpaper.com)
Received: from buster.seamanpaper.com (buster.seamanpaper.com [67.158.116.43])
	by mx1.freebsd.org (Postfix) with ESMTP id 2A6088FC1F
	for <freebsd-questions@freebsd.org>;
	Tue, 15 Jul 2008 16:51:06 +0000 (UTC)
	(envelope-from jeff@m2.seamanpaper.com)
Received: (qmail 44084 invoked from network); 15 Jul 2008 12:51:05 -0400
Received: from unknown (HELO junco.intranet.seamanpaper.com) (192.168.10.133)
	by buster.seamanpaper.com with SMTP; 15 Jul 2008 12:51:05 -0400
Received: (qmail 53779 invoked by uid 0); 15 Jul 2008 16:57:14 -0000
Received: from unknown (HELO ?192.168.10.88?) (192.168.10.88)
	by 192.168.10.133 with SMTP; 15 Jul 2008 16:57:14 -0000
Message-ID: <487CD572.20304@m2.seamanpaper.com>
Date: Tue, 15 Jul 2008 12:50:58 -0400
From: Jeff Dickens <jeff@m2.seamanpaper.com>
User-Agent: Thunderbird 2.0.0.14 (Windows/20080421)
MIME-Version: 1.0
To: freebsd-questions@freebsd.org
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Content-Filtered-By: Mailman/MimeDel 2.1.5
Subject: df shows negative free percentage
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: jeff@seamanpaper.com
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 15 Jul 2008 16:51:06 -0000

I just noticed one of my FreeBSD 6.2 systems showing "-0%" free in 
/tmp.  If I copy a file to it, it shows a sensible percentage free, but 
then reverts to "-0%" when I delete that file.  Any idea what's going on 
here?

    FreeBSD 6.2-RELEASE (GENERIC) #0: Fri Jan 12 10:40:27 UTC 2007

    Loon

    loon# df
    Filesystem  1K-blocks    Used   Avail Capacity  Mounted on
    /dev/da0s1a    507630   38436  428584     8%    /
    devfs               1       1       0   100%    /dev
    /dev/da0s1e    507630     -20  467040    -0%    /tmp
    /dev/da0s1f   5366090 1573304 3363500    32%    /usr
    /dev/da0s1d   1255886  356994  798422    31%    /var
    loon#
    loon# cp /usr/local/kits/vmware-freebsd-tools.tar.gz /tmp
    loon# df
    Filesystem  1K-blocks    Used   Avail Capacity  Mounted on
    /dev/da0s1a    507630   38446  428574     8%    /
    devfs               1       1       0   100%    /dev
    /dev/da0s1e    507630   10444  456576     2%    /tmp
    /dev/da0s1f   5366090 1573304 3363500    32%    /usr
    /dev/da0s1d   1255886  356994  798422    31%    /var
    loon# rm /tmp/vmware-freebsd-tools.tar.gz
    loon# df
    Filesystem  1K-blocks    Used   Avail Capacity  Mounted on
    /dev/da0s1a    507630   38446  428574     8%    /
    devfs               1       1       0   100%    /dev
    /dev/da0s1e    507630     -20  467040    -0%    /tmp
    /dev/da0s1f   5366090 1573304 3363500    32%    /usr
    /dev/da0s1d   1255886  356994  798422    31%    /var
    loon#