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From: Peter Holm <pho@FreeBSD.org>
Date: Mon, 29 May 2017 09:03:13 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
Subject: svn commit: r319112 - user/pho/stress2/misc
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Author: pho
Date: Mon May 29 09:03:13 2017
New Revision: 319112
URL: https://svnweb.freebsd.org/changeset/base/319112

Log:
  Added finding. Verify kernel stack size.
  
  Sponsored by:	Dell EMC Isilon

Modified:
  user/pho/stress2/misc/crossmp7.sh

Modified: user/pho/stress2/misc/crossmp7.sh
==============================================================================
--- user/pho/stress2/misc/crossmp7.sh	Mon May 29 09:00:58 2017	(r319111)
+++ user/pho/stress2/misc/crossmp7.sh	Mon May 29 09:03:13 2017	(r319112)
@@ -30,16 +30,21 @@
 
 # Parallel mount and umount of zfs file systems.
 
+# Page fault seen:
+# https://people.freebsd.org/~pho/stress/log/avg002.txt
+# Fixed by r309090.
+
 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
-[ $((`sysctl -n hw.usermem` / 1024 / 1024 / 1024)) -le 3 ] && exit 0
+[ `sysctl -n kern.kstack_pages` -lt 4 ] && exit 0
 
 . ../default.cfg
 
 mounts=15		# Number of parallel scripts
 
 if [ $# -eq 0 ]; then
-	kldstat -v | grep -q zfs.ko  || { kldload zfs.ko; loaded=1; }
-	zpool list | grep -q tank && zpool destroy tank
+	kldstat -v | grep -q zfs.ko  || { kldload zfs.ko ||
+	    exit 0; loaded=1; }
+	zpool list | egrep -q "^tank" && zpool destroy tank
 
 	u1=$mdstart
 	u2=$((u1 + 1))