Index: user/pho/stress2/misc/pmc.sh
===================================================================
--- user/pho/stress2/misc/pmc.sh	(revision 337448)
+++ user/pho/stress2/misc/pmc.sh	(revision 337449)
@@ -1,49 +1,52 @@
 #!/bin/sh
 
 #
 # Copyright (c) 2008-2011 Peter Holm
 # 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.
 #
 # $FreeBSD$
 #
 
 # Simple pmc test
 
+# "panic: [pmc,4950] pm=0x2ddfe880 runcount 0" seen.
+# https://people.freebsd.org/~pho/stress/log/pmc.txt
+
 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
 
 . ../default.cfg
 
 kldstat -v | grep -q hwpmc  || { kldload hwpmc; loaded=1; }
 
 for i in `jot 2`; do
 	pmcstat -P instructions  -O /tmp/sample.out.$i find -x /var -name \
 	    not.there &
 done
 
 export runRUNTIME=5m
 (cd ..; ./run.sh vfs.cfg)
 wait
 [ $loaded ] && kldunload hwpmc
 rm /tmp/sample.out.*
 exit 0