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Date:      Wed, 18 Apr 2018 12:56:17 +0000 (UTC)
From:      Peter Holm <pho@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   svn commit: r332670 - user/pho/stress2/misc
Message-ID:  <201804181256.w3ICuHRN049714@repo.freebsd.org>

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Author: pho
Date: Wed Apr 18 12:56:17 2018
New Revision: 332670
URL: https://svnweb.freebsd.org/changeset/base/332670

Log:
  Added problem found, added missung umount(8) and style fixes.
  
  Sponsored by:	Dell EMC Isilon

Modified:
  user/pho/stress2/misc/crossmp10.sh

Modified: user/pho/stress2/misc/crossmp10.sh
==============================================================================
--- user/pho/stress2/misc/crossmp10.sh	Wed Apr 18 11:35:22 2018	(r332669)
+++ user/pho/stress2/misc/crossmp10.sh	Wed Apr 18 12:56:17 2018	(r332670)
@@ -29,6 +29,8 @@
 #
 
 # ext2fs parallel mount & umount test scenario
+# "panic: vm_fault_hold: fault on nofault entry" seen.
+# https://people.freebsd.org/~pho/stress/log/crossmp10.txt
 
 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
 [ -z "`which mke2fs`" ] && echo "mke2fs not found" && exit 0
@@ -36,17 +38,15 @@
 . ../default.cfg
 
 CONT=/tmp/crossmp10.continue
-N=4
-size=512
+mounts=4	# Number of parallel scripts
+size=512	# Disk size in MB
 
-mounts=$N		# Number of parallel scripts
-
 if [ $# -eq 0 ]; then
 	for i in `jot $mounts`; do
 		m=$(( i + mdstart - 1 ))
 		[ ! -d ${mntpoint}$m ] &&
 		    { mkdir ${mntpoint}$m;  chmod 755 ${mntpoint}$m; }
-		mount | grep "${mntpoint}$m" | grep -q md$m && umount ${mntpoint}$m
+		mount | grep "${mntpoint}$m " | grep -q md$m && umount ${mntpoint}$m
 		mdconfig -l | grep -q md$m && mdconfig -d -u $m
 
 		mdconfig -a -t swap -s ${size}m -u $m
@@ -66,9 +66,13 @@ if [ $# -eq 0 ]; then
 
 	for i in `jot $mounts`; do
 		m=$(( i + mdstart - 1 ))
+		while mount | grep -q "on ${mntpoint}$m "; do
+		    umount ${mntpoint}$m && break
+		    sleep 1
+		done
 		mdconfig -d -u $m
 	done
-
+	exit 0
 else
 	if [ $1 = find ]; then
 		while [ -f $CONT ]; do



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