1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2020 Kirk McKusick <mckusick@mckusick.com> 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# 'panic: Lock (lockmgr) ufs not locked @ kern/kern_lock.c:1271' seen: 31# https://people.freebsd.org/~pho/stress/log/gnop8.txt 32 33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34. ../default.cfg 35 36fsck=/sbin/fsck_ffs 37exp=/sbin/fsck_ffs.exp # Experimental version 38[ -f $exp ] && { echo "Using $exp"; fsck=$exp; } 39mdconfig -a -t swap -s 5g -u $mdstart || exit 1 40md=md$mdstart 41newfs -j /dev/$md || exit 1 42start=`date +%s` 43 44nullfs_mounts=15 45: ${nullfs_dstdir:=$mntpoint} 46 47while [ $((`date +%s` - start)) -lt 120 ]; do 48 gnop create /dev/$md || exit 1 49 mount /dev/$md.nop /mnt || exit 1 50 51 for i in `jot $nullfs_mounts`; do 52 [ ! -d ${nullfs_dstdir}$i ] && mkdir ${nullfs_dstdir}$i 53 [ ! -d ${nullfs_dstdir}$(($i + $nullfs_mounts)) ] && 54 mkdir ${nullfs_dstdir}$(($i + $nullfs_mounts)) 55 mount | grep -q " ${nullfs_dstdir}$i " && 56 umount ${nullfs_dstdir}$i 57 mount | grep -q " ${nullfs_dstdir}$(($i + $nullfs_mounts)) " && 58 umount ${nullfs_dstdir}$(($i + $nullfs_mounts)) 59 mount_nullfs /mnt ${nullfs_dstdir}$i > \ 60 /dev/null 2>&1 61 mount_nullfs ${nullfs_dstdir}$i ${nullfs_dstdir}$(($i + $nullfs_mounts)) > \ 62 /dev/null 2>&1 63 done 64 # start your favorite I/O test here 65 cp -rp /[a-l]* /[n-z]* /mnt & 66 67 # after some number of seconds 68 sleep 1 69 gnop destroy -f /dev/$md.nop 70 kill $! 71 72 # wait until forcible unmount, may be up to about 30 seconds, 73 # but typically very quick if I/O is in progress 74 while (a=`mount | egrep /mnt`) do sleep 1; done 75 76 # first fsck will attempt journal recovery 77 $fsck -y /dev/$md 78 79 # second fsck will do traditional fsck to check for any errors 80 # from journal recovery 81 $fsck -y /dev/$md 82 wait 83done 84mdconfig -d -u ${md#md} 85exit 0 86