xref: /freebsd/tools/test/stress2/misc/md9.sh (revision 9768746b)
1#!/bin/sh
2
3#
4# Copyright (c) 2018 Dell EMC Isilon
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# memory disk with vnode on a tmpfs file system triggers:
30# "g_handleattr(GEOM::ident): md10 bio_length 24 len 31 -> EFAULT"
31
32. ../default.cfg
33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
34
35set -e
36mp2=${mntpoint}2
37mkdir -p $mp2
38mount | grep "on $mp2 " | grep -q /dev/md && umount -f $mp2
39mount -t tmpfs tmpfs $mp2
40
41mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
42[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
43diskimage=$mp2/diskimage
44dd if=/dev/zero of=$diskimage bs=1m count=2k status=none
45mdconfig -a -t vnode -f $diskimage -u $mdstart
46newfs -U /dev/md$mdstart > /dev/null
47mount /dev/md$mdstart $mntpoint
48
49for i in `jot 10`; do
50	umount $mntpoint && break
51	sleep .5
52done
53mount | grep "on $mntpoint " && { echo FATAL; exit 1; }
54mdconfig -d -u $mdstart
55umount $mp2
56tail -5 /var/log/messages | grep g_handleattr && s=1 || s=0
57
58exit $s
59