1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5# 6# Copyright (c) 2019 Dell EMC Isilon 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# Test with out of swap space: 31# swp_pager_getswapspace(32): failed 32 33# "panic: freeing free block" sen with WiP kernel code: 34# https://people.freebsd.org/~pho/stress/log/dougm027.txt 35 36. ../default.cfg 37[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 38[ `sysctl -n hw.physmem` -lt $(( 5 * 1024 * 1024 * 1024)) ] && exit 0 39cc -o /tmp/swap5 -Wall -Wextra -O2 ../tools/swap.c || exit 1 40swapoff -a 41mdconfig -a -t malloc -o reserve -s 4g -u $mdstart || exit 1 42swapon /dev/md$mdstart || exit 1 43for i in `jot 3`; do 44 /tmp/swap5 -t 180 -p 85 45done 46swapoff /dev/md$mdstart 47mdconfig -d -u $mdstart 48swapon -a 49rm -f /tmp/swap5 50exit 0 51