xref: /freebsd/tools/test/stress2/misc/maxmemdom.sh (revision 031beb4e239bfce798af17f5fe8dba8bcaf13d99)
1#!/bin/sh
2
3#
4# Copyright (c) 2015 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# Demonstrate that "options MAXMEMDOM" is broken. (NUMA test)
30# panic: vm_page_alloc: missing page
31# https://people.freebsd.org/~pho/stress/log/maxmemdom.txt
32# Fixed in r293640.
33
34. ../default.cfg
35
36[ `sysctl -n vm.ndomains` -eq 1 ] && exit 0
37size=$((`sysctl -n hw.physmem` / 1024 / 1024))
38need=$((size * 2))
39d1=$diskimage.1
40d2=$diskimage.2
41rm -f $d1 $d2
42[ `df -k $(dirname $diskimage) | tail -1 | awk '{print int($4 / 1024)}'` -lt \
43    $need ] && printf "Need %d MB on %s.\n" $need `dirname $diskimage` && exit
44timeout 30m sh -ce "
45        dd if=/dev/zero of=$d1 bs=1m count=$size status=none
46        cp $d1 $d2
47"
48s=$?
49[ $s -eq 124 ] && echo "Timed out"
50
51rm -f $d1 $d2
52exit $s
53