Index: user/pho/stress2/misc/mount2.sh
===================================================================
--- user/pho/stress2/misc/mount2.sh	(revision 331544)
+++ user/pho/stress2/misc/mount2.sh	(revision 331545)
@@ -1,82 +1,75 @@
 #!/bin/sh
 
 #
 # Copyright (c) 2008 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.
 #
 # $FreeBSD$
 #
 
 # Stress test by performing parallel calls to mount and umount. Alternate
-# between forced and non-forced unmounts
+# between forced and non-forced unmounts.
 
+# "kernel: g_dev_taste: make_dev_p() failed (gp->name=md10, error=17)" seen.
+
 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
 
 . ../default.cfg
 
 mounts=15	# Number of parallel scripts
 D=$diskimage
 
-if [ $# -eq 0 ]; then
-	for i in `jot $mounts`; do
-		m=$(( i + mdstart - 1 ))
-		[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
-		mount | grep "$mntpoint" | grep -q md$m &&
-		    umount ${mntpoint}$m
-		mdconfig -l | grep -q md$m &&  mdconfig -d -u $m
+for i in `jot $mounts`; do
+	m=$(( i + mdstart - 1 ))
+	[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
+	mount | grep "$mntpoint" | grep -q md$m &&
+	    umount ${mntpoint}$m
+	mdconfig -l | grep -q md$m && mdconfig -d -u $m
 
-		dd if=/dev/zero of=$D$m bs=1m count=1 > /dev/null 2>&1
-		mdconfig -a -t vnode -f $D$m -u $m || { rm -f $D$m; exit 1; }
-		bsdlabel -w md$m auto
-		newfs md${m}$part > /dev/null 2>&1
-	done
+	dd if=/dev/zero of=$D$m bs=1m count=1 status=none
+	mdconfig -a -t vnode -f $D$m -u $m || { rm -f $D$m; exit 1; }
+	bsdlabel -w md$m auto
+	newfs md${m}$part > /dev/null
+done
 
-	# start the parallel tests
-	for i in `jot $mounts`; do
-		m=$(( i + mdstart - 1 ))
-		./$0 $m &
-	done
-
-
-	for i in `jot $mounts`; do
-		wait
-	done
-
-	for i in `jot $mounts`; do
-		m=$(( i + mdstart - 1 ))
-		mdconfig -d -u $m
-		rm -f $D$m
-	done
-
-else
-	# The test: Parallel mount and unmounts
-	for i in `jot 1024`; do
-		m=$1
+# start the parallel tests
+for i in `jot $mounts`; do
+	m=$(( i + mdstart - 1 ))
+	start=`date +%s`
+	while [ $((`date +%s` - start)) -lt 300 ]; do
 		opt=`[ $(( m % 2 )) -eq 0 ] && echo -f`
 		mount /dev/md${m}$part ${mntpoint}$m
 		while mount | grep -q ${mntpoint}$m; do
 			umount $opt ${mntpoint}$m > /dev/null 2>&1
 		done
-	done
-fi
+	done &
+done
+wait
+
+for i in `jot $mounts`; do
+	m=$((i + mdstart - 1))
+	mdconfig -d -u $m
+	rm -f $D$m
+done
+exit 0