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author | Jason A. Harmening <jah@FreeBSD.org> | 2021-07-19 15:33:02 +0000 |
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committer | Jason A. Harmening <jah@FreeBSD.org> | 2021-07-24 19:52:56 +0000 |
commit | c44685732899aa76e8c77107d711f98717ddc5c8 (patch) | |
tree | bb40e80718f8bfa47399dbbd8ea63369a3e8df80 | |
parent | 211ec9b7d6ec2d52e2fec2ce10e82c12ec0e4ddd (diff) | |
download | src-c44685732899aa76e8c77107d711f98717ddc5c8.tar.gz src-c44685732899aa76e8c77107d711f98717ddc5c8.zip |
Add stress2 test to exercise FFS forcible unmount with stacked nullfs
Reviewed by: kib, mckusick
Tested by: pho
Differential Revision: https://reviews.freebsd.org/D31016
-rwxr-xr-x | tools/test/stress2/misc/gnop11.sh | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/gnop11.sh b/tools/test/stress2/misc/gnop11.sh new file mode 100755 index 000000000000..8a23eb072144 --- /dev/null +++ b/tools/test/stress2/misc/gnop11.sh @@ -0,0 +1,85 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2020 Kirk McKusick <mckusick@mckusick.com> +# +# 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. +# + +# 'panic: Lock (lockmgr) ufs not locked @ kern/kern_lock.c:1271' seen: +# https://people.freebsd.org/~pho/stress/log/gnop8.txt + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 +. ../default.cfg + +fsck=/sbin/fsck_ffs +exp=/sbin/fsck_ffs.exp # Experimental version +[ -f $exp ] && { echo "Using $exp"; fsck=$exp; } +mdconfig -a -t swap -s 5g -u $mdstart || exit 1 +md=md$mdstart +newfs -j /dev/$md || exit 1 +start=`date +%s` + +nullfs_mounts=15 +: ${nullfs_dstdir:=$mntpoint} + +while [ $((`date +%s` - start)) -lt 120 ]; do + gnop create /dev/$md || exit 1 + mount /dev/$md.nop /mnt || exit 1 + + for i in `jot $nullfs_mounts`; do + [ ! -d ${nullfs_dstdir}$i ] && mkdir ${nullfs_dstdir}$i + [ ! -d ${nullfs_dstdir}$(($i + $nullfs_mounts)) ] && + mkdir ${nullfs_dstdir}$(($i + $nullfs_mounts)) + mount | grep -q " ${nullfs_dstdir}$i " && + umount ${nullfs_dstdir}$i + mount | grep -q " ${nullfs_dstdir}$(($i + $nullfs_mounts)) " && + umount ${nullfs_dstdir}$(($i + $nullfs_mounts)) + mount_nullfs /mnt ${nullfs_dstdir}$i > \ + /dev/null 2>&1 + mount_nullfs ${nullfs_dstdir}$i ${nullfs_dstdir}$(($i + $nullfs_mounts)) > \ + /dev/null 2>&1 + done + # start your favorite I/O test here + cp -rp /[a-l]* /[n-z]* /mnt & + + # after some number of seconds + sleep 1 + gnop destroy -f /dev/$md.nop + kill $! + + # wait until forcible unmount, may be up to about 30 seconds, + # but typically very quick if I/O is in progress + while (a=`mount | egrep /mnt`) do sleep 1; done + + # first fsck will attempt journal recovery + $fsck -d -y /dev/$md + + # second fsck will do traditional fsck to check for any errors + # from journal recovery + $fsck -d -y /dev/$md + wait +done +mdconfig -d -u ${md#md} +exit 0 |