svn commit: r250556 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Sun May 12 06:20:54 2013
New Revision: 250556
URL: http://svnweb.freebsd.org/changeset/base/250556

Log:
  Added regression test for page fault seen in fifo_close().
  Problem fixed by r250505.

Added:
  user/pho/stress2/misc/nullfs14.sh   (contents, props changed)

Added: user/pho/stress2/misc/nullfs14.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/nullfs14.sh	Sun May 12 06:20:54 2013	(r250556)
@@ -0,0 +1,60 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2013 Peter Holm <pho at 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.
+#
+# $FreeBSD$
+#
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+# Page fault seen in fifo_close()
+
+. ../default.cfg
+
+nullfsmp=${mntpoint}2
+mount | grep -q "$nullfsmp " && umount $nullfsmp
+
+[ -d $nullfsmp ] || mkdir $nullfsmp
+mount | grep "$mntpoint " | grep -q /dev/md && umount -f $mntpoint
+mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
+mdconfig -a -t swap -s 1g -u $mdstart
+bsdlabel -w md$mdstart auto
+newfs -U md${mdstart}$part > /dev/null
+mount /dev/md${mdstart}$part $mntpoint
+#chmod 777 $mntpoint
+mount -t nullfs $mntpoint $nullfsmp
+
+mkfifo $nullfsmp/fifo
+rm $mntpoint/fifo	# Triggers page fault
+
+while mount | grep -q "$nullfsmp "; do
+	umount $nullfsmp || sleep 1
+done
+
+while mount | grep -q "$mntpoint "; do
+	umount $mntpoint || sleep 1
+done
+mdconfig -d -u $mdstart