svn commit: r309141 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Fri Nov 25 10:40:48 2016
New Revision: 309141
URL: https://svnweb.freebsd.org/changeset/base/309141

Log:
  Added a regression test.
  
  Sponsored by:	Dell EMC Isilon

Added:
  user/pho/stress2/misc/maxvnodes2.sh   (contents, props changed)

Added: user/pho/stress2/misc/maxvnodes2.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/maxvnodes2.sh	Fri Nov 25 10:40:48 2016	(r309141)
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2016 Dell EMC Isilon
+# 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
+
+# "panic: Bad link elm 0xfffff8015ea20000 prev->next != elm" seen:
+# https://people.freebsd.org/~pho/stress/log/mjguzik005.txt
+# Fixed by r309067.
+
+oldmx=`sysctl -n kern.maxvnodes`
+trap "sysctl kern.maxvnodes=$oldmx > /dev/null" EXIT SIGINT
+
+sysctl kern.maxvnodes=1000
+
+../misc/msdos6.sh
+
+exit 0