From owner-svn-src-projects@FreeBSD.ORG Sat Jul 25 10:22:09 2009 Return-Path: Delivered-To: svn-src-projects@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 51F42106566C; Sat, 25 Jul 2009 10:22:09 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 2735A8FC17; Sat, 25 Jul 2009 10:22:09 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id n6PAM9F4037060; Sat, 25 Jul 2009 10:22:09 GMT (envelope-from pho@svn.freebsd.org) Received: (from pho@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id n6PAM98R037059; Sat, 25 Jul 2009 10:22:09 GMT (envelope-from pho@svn.freebsd.org) Message-Id: <200907251022.n6PAM98R037059@svn.freebsd.org> From: Peter Holm Date: Sat, 25 Jul 2009 10:22:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-projects@freebsd.org X-SVN-Group: projects MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r195864 - projects/stress2/misc X-BeenThere: svn-src-projects@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the src " projects" tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Jul 2009 10:22:09 -0000 Author: pho Date: Sat Jul 25 10:22:08 2009 New Revision: 195864 URL: http://svn.freebsd.org/changeset/base/195864 Log: Added test scenario for NFS intr mount and SIGSTOP. Added: projects/stress2/misc/nfs8.sh (contents, props changed) Added: projects/stress2/misc/nfs8.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/nfs8.sh Sat Jul 25 10:22:08 2009 (r195864) @@ -0,0 +1,58 @@ +#!/bin/sh + +# +# Copyright (c) 2009 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. +# +# $FreeBSD$ +# + +# Test scenario for a lock cascade problem with sending SIGSTOP to processes +# accessing a NFS intr mount. + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +[ ! -d $mntpoint ] && mkdir $mntpoint +mount | grep "$mntpoint" | grep nfs > /dev/null && umount $mntpoint +mount -t nfs -o nfsv3,tcp,nolockd -o retrycnt=3 -o intr -o soft -o rw 127.0.0.1:/tmp $mntpoint + +pids="" +for i in `jot 10`; do + find $mntpoint > /dev/null 2>&1 & + sleep 0.1 + kill -s STOP $! + pids="$pids $!" +done + +umount $mntpoint 2>&1 | grep -v "Device busy" +while mount | grep -q $mntpoint; do + umount -f $mntpoint > /dev/null 2>&1 +done + +kill -s CONT $pids +for i in `jot 10`; do + wait +done