xref: /freebsd/tools/test/stress2/misc/msdos2.sh (revision 3c4ba5f55438f7afd4f4b0b56f88f2bb505fd6a6)
1#!/bin/sh
2
3#
4# Copyright (c) 2010 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# panic: __lockmgr_args: recursing on non recursive lockmgr devfs @ ../../../kern/vfs_subr.c:2204
30# Scenario by kib@
31
32[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
33
34. ../default.cfg
35
36[ -x /sbin/mount_msdosfs ] || exit
37mount | grep "$mntpoint" | grep -q md$mdstart && umount -f $mntpoint
38mdconfig -l | grep -q $mdstart &&  mdconfig -d -u $mdstart
39
40mdconfig -a -t swap -s 1g -u $mdstart
41gpart create -s bsd md$mdstart > /dev/null
42gpart add -t freebsd-ufs md$mdstart > /dev/null
43part=a
44newfs_msdos /dev/md${mdstart}$part > /dev/null
45mount -t msdosfs /dev/md${mdstart}$part $mntpoint
46
47u=$((mdstart + 1))
48mdconfig -l | grep -q $u &&  mdconfig -d -u $u
49mdconfig -a -t swap -s 1g -u $u
50gpart create -s bsd md$u > /dev/null
51gpart add -t freebsd-ufs md$u > /dev/null
52newfs_msdos /dev/md${u}$part > /dev/null
53mount -u /dev/md${u}$part $mntpoint > /dev/null 2>&1 # panic
54
55ls $mntpoint > /dev/null
56
57while mount | grep "$mntpoint" | grep -q md$mdstart; do
58	umount $mntpoint || sleep 1
59done
60mdconfig -d -u $mdstart
61mdconfig -d -u $u
62