svn commit: r261011 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Wed Jan 22 09:25:16 2014
New Revision: 261011
URL: http://svnweb.freebsd.org/changeset/base/261011

Log:
  Added test scenario that triggers the
  "panic: softdep_deallocate_dependencies: dangling deps"
  
  Sponsored by:	EMC / Isilon storage division

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

Added: user/pho/stress2/misc/dangling.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/dangling.sh	Wed Jan 22 09:25:16 2014	(r261011)
@@ -0,0 +1,85 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2014 EMC Corp.
+# 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: softdep_deallocate_dependencies: dangling deps" seen.
+# "panic: softdep_write_inodeblock: indirect pointer #0 mismatch" seen.
+# http://people.freebsd.org/~pho/stress/log/dangling.txt
+# http://people.freebsd.org/~pho/stress/log/dangling2.txt
+
+# Test scenario seems optimized for 4 CPUs.
+
+. ../default.cfg
+
+
+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 4g -u $mdstart || exit 1
+bsdlabel -w md$mdstart auto
+newfs $newfs_flags md${mdstart}$part > /dev/null
+mount /dev/md${mdstart}$part $mntpoint
+chmod 777 $mntpoint
+
+export runRUNTIME=4m
+export RUNDIR=$mntpoint/stressX
+set `df -ik /mnt | tail -1 | awk '{print $4,$7}'`
+export KBLOCKS=$(($1 / 4))
+export INODES=$(($2 / 4))
+
+export symlinkHOG=1
+export rwHOG=1
+export mkdirHOG=1
+
+export LOAD=100
+export symlinkLOAD=100
+export rwLOAD=100
+export mkdirLOAD=100
+export TESTPROGS="
+testcases/symlink/symlink
+testcases/fts/fts
+testcases/mkdir/mkdir
+testcases/rw/rw
+"
+
+for i in `jot 10`; do
+	su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > \
+	    /dev/null 2>&1 &
+	sleep 60
+	kill $!
+	../tools/killall.sh > /dev/null 2>&1
+	../tools/killall.sh > /dev/null 2>&1
+done
+
+while mount | grep $mntpoint | grep -q /dev/md; do
+	umount $mntpoint || sleep 1
+done
+mdconfig -d -u $mdstart