4 # Copyright (c) 2008, 2011 Peter Holm <pho@FreeBSD.org>
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 # "panic: snapacct_ufs2: bad block" seen:
30 # https://people.freebsd.org/~pho/stress/log/snap5-1.txt
32 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
36 mount | grep -q "on /tmp (ufs," || exit 0
38 [ ! -d $mnt2 ] && mkdir $mnt2
41 trap "rm -f /tmp/.snap/stress2" 0
43 while [ `date '+%s'` -lt $((start + 600)) ]; do
44 if mount | grep -q "/dev/md$mdstart on $mnt2"; then
45 umount $mnt2 || exit 2
47 if mdconfig -l | grep -q md$mdstart; then
48 mdconfig -d -u $mdstart || exit 3
50 rm -f /tmp/.snap/stress2
52 mksnap_ffs /tmp /tmp/.snap/stress2 || continue
53 mdconfig -a -t vnode -f /tmp/.snap/stress2 -u $mdstart -o readonly ||
55 mount -o ro /dev/md$mdstart $mnt2 || exit 5
57 ls -l $mnt2 > /dev/null
58 sleep `jot -r 1 0 119`
60 mount | grep -q "/dev/md$mdstart on $mnt2" && umount $mnt2
61 mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart