Date: Sat, 25 May 2013 11:42:26 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r250979 - user/pho/stress2/misc Message-ID: <201305251142.r4PBgQxp095673@svn.freebsd.org>
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Author: pho Date: Sat May 25 11:42:25 2013 New Revision: 250979 URL: http://svnweb.freebsd.org/changeset/base/250979 Log: Added a regression test for MD corruption, fixed by r250966. Added: user/pho/stress2/misc/md4.sh (contents, props changed) Added: user/pho/stress2/misc/md4.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/md4.sh Sat May 25 11:42:25 2013 (r250979) @@ -0,0 +1,46 @@ +#!/bin/sh + +# +# Copyright (c) 2013 Peter Holm <pho@FreeBSD.org> +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# Demonstrate data corruption on the swap-backed md. +# Test scenario by Nigel Williams <njwilliams swin edu au>. +# Fixed in r250966. + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +status=0 +MD_DEV=`mdconfig -an -t swap -s 1m -x 63 -y 16` +fdisk -I md$MD_DEV > /dev/null 2>&1 +bsdlabel -w -B md${MD_DEV}s1 || exit 1 +dd if=/dev/md$MD_DEV of=/dev/null bs=64k 2>&1 | + egrep -v "records|transferred" +bsdlabel md${MD_DEV}s1 > /dev/null || + { echo FAIL; status=1; } +mdconfig -d -u $MD_DEV +exit $status
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