xref: /freebsd/tools/test/stress2/misc/snap2-1.sh (revision 43a5ec4eb41567cc92586503212743d89686d78f)
1#!/bin/sh
2
3#
4# Copyright (c) 2008, 2011 Peter Holm <pho@FreeBSD.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
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.
15#
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
26# SUCH DAMAGE.
27#
28
29[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
30
31. ../default.cfg
32
33# Regression test: Delete an active md device
34#
35# panic(c088cd33,deadc000,c0943aa0,0,c08753e1) at panic+0x14b
36# vm_fault(c1060000,deadc000,1,0,c54de480) at vm_fault+0x1e0
37# trap_pfault(e76728b8,0,deadc112) at trap_pfault+0x137
38# trap(8,c0870028,28,deadc0de,deadc0de) at trap+0x355
39# calltrap() at calltrap+0x5
40# --- trap 0xc, eip = 0xc060bcfb, esp = 0xe76728f8, ebp = 0xe767291c ---
41# g_io_request(c53ff7bc,c5051d40,d8c72408,c54ca110,e7672950) at g_io_request+0x5f
42
43mount | grep -q "on /tmp (ufs," || exit 0
44rm -f /tmp/.snap/stress2
45[ -d /tmp/.snap ] || mkdir /tmp/.snap
46trap "rm -f /tmp/.snap/stress2" 0
47mount | grep "$mntpoint" | grep -q md$mdstart && umount $mntpoint
48mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
49
50mksnap_ffs /tmp /tmp/.snap/stress2
51mdconfig -a -t vnode -o readonly -f /tmp/.snap/stress2 -u $mdstart
52mount -o ro /dev/md$mdstart $mntpoint
53
54ls -lR $mntpoint > /dev/null 2>&1 &
55mdconfig -d -u $mdstart > /dev/null 2>&1
56
57umount -f $mntpoint
58mdconfig -d -u $mdstart
59rm -f /tmp/.snap/stress2
60wait
61