Index: user/pho/stress2/misc/tcp.sh
===================================================================
--- user/pho/stress2/misc/tcp.sh	(revision 283875)
+++ user/pho/stress2/misc/tcp.sh	(revision 283876)
@@ -1,53 +1,57 @@
 #!/bin/sh
 
 #
 # Copyright (c) 2013 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.
 #
 # $FreeBSD$
 #
 
 # "panic: tcp_do_segment: TCPS_LISTEN" seen:
 # http://people.freebsd.org/~pho/stress/log/tcp.txt
 
 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
 
+[ `swapinfo | wc -l` -eq 1 ] && exit 0
+[ $((`sysctl -n hw.usermem` / 1024 / 1024 / 1024)) -le 3 ] && exit 0
+
 . ../default.cfg
 
 rm -rf /tmp/stressX.control
 [ ! -d $RUNDIR ] && mkdir -p $RUNDIR
 chmod 777 $RUNDIR
 export runRUNTIME=15m
 export tcpLOAD=100
 n=`su $testuser -c "limits | grep maxprocesses | awk '{print \\$NF}'"`
-export tcpINCARNATIONS=$((n / 2 - 10))
+n=$((n - `ps aux | wc -l`))
+export tcpINCARNATIONS=$((n / 2 - 400))
 export TESTPROGS=" ./testcases/tcp/tcp"
 
 su $testuser -c '(cd ..; ./testcases/run/run $TESTPROGS)' &
 
 sleep $((15 * 60))
 while pkill -9 -U $testuser "run|tcp"; do
 	sleep .5
 done
 wait
Index: user/pho/stress2/misc/tcp2.sh
===================================================================
--- user/pho/stress2/misc/tcp2.sh	(revision 283875)
+++ user/pho/stress2/misc/tcp2.sh	(revision 283876)
@@ -1,57 +1,61 @@
 #!/bin/sh
 
 #
 # Copyright (c) 2013 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.
 #
 # $FreeBSD$
 #
 
 # "panic: kmem_malloc(4096): kmem_map too small ..." seen.
 # "panic: sackhint bytes rtx >= 0" seen.
 
 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
 
+[ `swapinfo | wc -l` -eq 1 ] && exit 0
+[ $((`sysctl -n hw.usermem` / 1024 / 1024 / 1024)) -le 3 ] && exit 0
+
 . ../default.cfg
 
 rm -rf /tmp/stressX.control
 [ ! -d $RUNDIR ] && mkdir -p $RUNDIR
 chmod 777 $RUNDIR
 export runRUNTIME=15m
 export tcpLOAD=100
 export swapLOAD=100
 n=`su $testuser -c "limits | grep maxprocesses | awk '{print \\$NF}'"`
-export tcpINCARNATIONS=$((n / 2 - 40))
+n=$((n - `ps aux | wc -l`))
+export tcpINCARNATIONS=$((n / 2 - 400))
 export TESTPROGS="
 ./testcases/tcp/tcp
 ./testcases/swap/swap
 "
 
 su $testuser -c '(cd ..; ./testcases/run/run $TESTPROGS)' &
 
 sleep $((15 * 60))
 while pkill -9 -U $testuser "run|tcp|swap"; do
 	sleep .5
 done
 wait