1#!/bin/sh 2 3# 4# Copyright (c) 2016 Dell EMC 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: vnode_pager_generic_getpages: sector size 8192 too large" seen 32# with an 8k sector size: 33# https://people.freebsd.org/~pho/stress/log/gnop2.txt 34# Fixed by r307626 35 36. ../default.cfg 37 38kldstat | grep -q geom_nop || { gnop load 2>/dev/null || exit 0 && 39 notloaded=1; } 40dir=/tmp 41odir=`pwd` 42cd $dir 43sed '1,/^EOF/d' < $odir/mmap5.sh > $dir/gnop2.c 44mycc -o gnop2 -Wall -Wextra gnop2.c || exit 1 45rm -f gnop2.c 46cd $odir 47 48test() { 49 . ../default.cfg 50 51 mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 52 [ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 53 54 set -e 55 mdconfig -a -t swap -s 2g -u $mdstart 56 gnop create -S $1 /dev/md$mdstart 57 newfs $newfs_flags /dev/md$mdstart.nop > /dev/null 58 mount /dev/md$mdstart.nop $mntpoint 59 chmod 777 $mntpoint 60 set +e 61 62 dd if=/dev/zero of=$mntpoint/file bs=1k count=333 status=none 63 /tmp/gnop2 $mntpoint/file 64 65 while mount | grep $mntpoint | grep -q /dev/md; do 66 umount $mntpoint || sleep 1 67 done 68 gnop destroy /dev/md$mdstart.nop 69 mdconfig -d -u $mdstart 70} 71 72gnop status || exit 1 73 74for i in 1k 2k 4k 8k; do 75 test $i 76done 77 78[ $notloaded ] && gnop unload 79rm -f /tmp/gnop2 80exit 0 81