Index: user/pho/stress2/misc/suj33.sh
===================================================================
--- user/pho/stress2/misc/suj33.sh	(revision 293159)
+++ user/pho/stress2/misc/suj33.sh	(revision 293160)
@@ -1,58 +1,59 @@
 #!/bin/sh
 
 #
 # Copyright (c) 2013 Peter Holm <pho@FreeBSD.org>
 # All rights reserved.
 #
 # 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.
 #
 # $FreeBSD$
 #
 
 # Test "umount" of active file system
+# Triggers "fsync: giving up on dirty" with ease.
 
 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
 
 . ../default.cfg
 
 mount | grep "$mntpoint" | grep -q md${mdstart}$part && umount $mntpoint
 mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
 
 mdconfig -a -t swap -s 1g -u $mdstart
 bsdlabel -w md$mdstart auto
 newfs -j md${mdstart}$part  > /dev/null
 mount /dev/md${mdstart}$part $mntpoint
 export RUNDIR=$mntpoint/stressX
 export runRUNTIME=3m            # Run tests for three minutes
 chmod 777 $mntpoint
 
 su $testuser -c '(cd ..; ./run.sh disk.cfg)' > /dev/null 2>&1 &
 sleep 20
 umount $mntpoint
 killall -u $testuser
 wait
 
 while mount | grep -q "$mntpoint "; do
 	umount $mntpoint || sleep 1
 done
 checkfs /dev/md${mdstart}$part
 mdconfig -d -u $mdstart