Date: Thu, 27 Jan 2011 12:01:24 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r217934 - projects/stress2/misc Message-ID: <201101271201.p0RC1OWs015371@svn.freebsd.org>
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Author: pho Date: Thu Jan 27 12:01:24 2011 New Revision: 217934 URL: http://svn.freebsd.org/changeset/base/217934 Log: Deadlock scenario based on kern/154228 added. Added: projects/stress2/misc/gjournal.sh (contents, props changed) Added: projects/stress2/misc/gjournal.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/gjournal.sh Thu Jan 27 12:01:24 2011 (r217934) @@ -0,0 +1,70 @@ +#!/bin/sh + +# +# Copyright (c) 2011 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: projects/stress2/misc/sendfile.sh 199142 2009-11-10 16:47:48Z pho $ +# + +# Deadlock scenario based on kern/154228, fixed in r217880. + +. ../default.cfg + +size="2g" +m=$((mdstart + 1)) +mount | grep /media | grep -q /dev/md && umount -f /media +mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint +mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart +mdconfig -l | grep -q md$m && mdconfig -d -u $m +mdconfig -a -t swap -s $size -u $mdstart || exit 1 + +gjournal load +gjournal label -s $((200 * 1024 * 1024)) md$mdstart +sleep .5 +newfs -J /dev/md$mdstart.journal > /dev/null +mount -o async /dev/md$mdstart.journal $mntpoint + +here=`pwd` +cd $mntpoint +truncate -s 1g image +mdconfig -a -t vnode -f image -u $m +bsdlabel -w md$m auto +newfs md${m}$part > /dev/null +mount /dev/md${m}$part /media +# dd will suspend in wdrain +dd if=/dev/zero of=/media/zero bs=1M 2>&1 | egrep -v "records|transferred" +while mount | grep /media | grep -q /dev/md; do + umount /media || sleep 1 +done +mdconfig -d -u $m +cd $here + +gjournal sync +while mount | grep $mntpoint | grep -q /dev/md; do + umount $mntpoint || sleep 1 +done +gjournal stop md$mdstart +gjournal unload +mdconfig -d -u $mdstart
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