xref: /freebsd/tools/test/stress2/misc/swapoff.sh (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
1#!/bin/sh
2
3#
4# Copyright (c) 2016 EMC Corp.
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# "panic: swapoff: failed to locate 17590 swap blocks" seen:
32# https://people.freebsd.org/~pho/stress/log/swapoff.txt
33
34# Fixed by r305129.
35
36. ../default.cfg
37
38[ `sysctl -n vm.swap_total` -eq 0 ] && exit 0
39[ `sysctl -n hw.physmem` -gt $(( 4 * 1024 * 1024 * 1024)) ] &&
40    echo "RAM should be capped to 4GB for this test."
41
42mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
43mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
44mdconfig -a -t swap -s 1g -u $mdstart
45newfs $newfs_flags md$mdstart > /dev/null
46mount /dev/md$mdstart $mntpoint
47chmod 777 $mntpoint
48
49export runRUNTIME=5m
50export RUNDIR=$mntpoint/stressX
51
52su $testuser -c 'cd ..; ./run.sh marcus.cfg' &
53
54sleep 120
55swapoff -a
56sleep 30
57swapon -a
58../tools/killall.sh
59wait
60
61n=0
62while mount | grep $mntpoint | grep -q /dev/md; do
63	umount $mntpoint || sleep 1
64	n=$((n + 1))
65	[ $n -gt 300 ] && { echo FAIL; exit 1; }
66done
67mdconfig -d -u $mdstart
68exit 0
69