1#!/bin/sh 2 3# 4# Copyright (c) 2013 Peter Holm <pho@FreeBSD.org> 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# Deadlock seen: http://people.freebsd.org/~pho/stress/log/gjournal3.txt 30# Fixed in r244925 31 32# panic: Bio not on queue 33# https://people.freebsd.org/~pho/stress/log/gjournal3-2.txt 34 35# kib@ wrote: 36# gjournal is good for exposing the suspension problems. The frequency 37# of the suspensions called from the gjournal is not achievable by other 38# methods, so the tests allow to uncover the problems. More, the gjournal 39# only establishes the suspension, without snapshotting, which also 40# makes it easier to see the issues. 41 42# gjournal / ffs snapshot suspension deadlock: 43# https://people.freebsd.org/~pho/stress/log/gjournal3-4.txt 44# Originally reported as kern/164252. 45 46[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 47 48. ../default.cfg 49 50[ `swapinfo | wc -l` -eq 1 ] && exit 0 51size="12g" 52jsize="8g" 53[ $((`sysctl -n hw.usermem` / 1024 / 1024 / 1024)) -le ${size%g} ] && exit 0 54[ `swapinfo -k | tail -1 | awk '{print int($4/1024/1024)}'` -lt \ 55 ${size%g} ] && exit 0 56mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 57[ -c /dev/mdmd$mdstart ] && mdconfig -d -u $mdstart 58mdconfig -a -t swap -s $size -u $mdstart || exit 1 59 60gjournal load 61gjournal label -s $jsize md$mdstart 62sleep .5 63newfs -J /dev/md$mdstart.journal > /dev/null 64mount -o async /dev/md$mdstart.journal $mntpoint 65chmod 777 $mntpoint 66 67export runRUNTIME=10m 68export RUNDIR=$mntpoint/stressX 69 70su $testuser -c 'cd ../testcases/rw 71 ./rw -t 2m -i 10 -l 100 > /dev/null 2>&1' & 72while kill -0 $! 2>/dev/null; do 73 mksnap_ffs $mntpoint $mntpoint/.snap/snap 74 sleep .2 75 rm -f $mntpoint/.snap/snap 76done 77wait 78 79gjournal sync 80while mount | grep $mntpoint | grep -q /dev/md; do 81 umount $mntpoint || sleep 1 82done 83gjournal stop md$mdstart 84gjournal unload 85mdconfig -d -u $mdstart 86