86 lines
3.0 KiB
Bash
Executable File
86 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2013 Peter Holm <pho@FreeBSD.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Deadlock seen: http://people.freebsd.org/~pho/stress/log/gjournal3.txt
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# Fixed in r244925
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# panic: Bio not on queue
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# https://people.freebsd.org/~pho/stress/log/gjournal3-2.txt
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# kib@ wrote:
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# gjournal is good for exposing the suspension problems. The frequency
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# of the suspensions called from the gjournal is not achievable by other
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# methods, so the tests allow to uncover the problems. More, the gjournal
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# only establishes the suspension, without snapshotting, which also
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# makes it easier to see the issues.
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# gjournal / ffs snapshot suspension deadlock:
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# https://people.freebsd.org/~pho/stress/log/gjournal3-4.txt
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# Originally reported as kern/164252.
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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[ `swapinfo | wc -l` -eq 1 ] && exit 0
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size="12g"
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jsize="8g"
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[ $((`sysctl -n hw.usermem` / 1024 / 1024 / 1024)) -le ${size%g} ] && exit 0
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[ `swapinfo -k | tail -1 | awk '{print int($4/1024/1024)}'` -lt \
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${size%g} ] && exit 0
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mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
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[ -c /dev/mdmd$mdstart ] && mdconfig -d -u $mdstart
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mdconfig -a -t swap -s $size -u $mdstart || exit 1
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gjournal load
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gjournal label -s $jsize md$mdstart
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sleep .5
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newfs -J /dev/md$mdstart.journal > /dev/null
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mount -o async /dev/md$mdstart.journal $mntpoint
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chmod 777 $mntpoint
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export runRUNTIME=10m
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export RUNDIR=$mntpoint/stressX
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su $testuser -c 'cd ../testcases/rw
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./rw -t 2m -i 10 -l 100 > /dev/null 2>&1' &
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while kill -0 $! 2>/dev/null; do
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mksnap_ffs $mntpoint $mntpoint/.snap/snap
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sleep .2
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rm -f $mntpoint/.snap/snap
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done
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wait
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gjournal sync
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while mount | grep $mntpoint | grep -q /dev/md; do
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umount $mntpoint || sleep 1
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done
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gjournal stop md$mdstart
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gjournal unload
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mdconfig -d -u $mdstart
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