Index: user/pho/stress2/misc/maxmemdom.sh =================================================================== --- user/pho/stress2/misc/maxmemdom.sh (nonexistent) +++ user/pho/stress2/misc/maxmemdom.sh (revision 290359) @@ -0,0 +1,48 @@ +#!/bin/sh + +# +# Copyright (c) 2015 EMC Corp. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# Demonstrate that "options MAXMEMDOM" is broken. +# panic: vm_page_alloc: missing page +# https://people.freebsd.org/~pho/stress/log/maxmemdom.txt + +. ../default.cfg + +[ `sysctl -n vm.ndomains` -eq 1 ] && exit 0 +size=$((`sysctl -n hw.physmem` / 1024 / 1024)) +need=$((size * 2)) +d1=${diskimage}.1 +d2=${diskimage}.2 +rm -f $d1 $d2 +[ `df -k $(dirname $diskimage) | tail -1 | awk '{print int($4 / 1024)'}` -lt \ + $need ] && printf "Need %d MB on %s.\n" $need `dirname $diskimage` && exit +dd if=/dev/zero of=$d1 bs=1m count=$size 2>&1 | \ + egrep -v "records|transferred" +cp $d1 $d2 +rm -f $d1 $d2 Property changes on: user/pho/stress2/misc/maxmemdom.sh ___________________________________________________________________ Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property