Date: Mon, 22 Feb 2010 07:19:25 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r204191 - projects/stress2/misc Message-ID: <201002220719.o1M7JP02073514@svn.freebsd.org>
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Author: pho Date: Mon Feb 22 07:19:25 2010 New Revision: 204191 URL: http://svn.freebsd.org/changeset/base/204191 Log: Test scenario for "panic: swap_reserved < decr". Fixed in r195329. Added: projects/stress2/misc/mlockall.sh (contents, props changed) Added: projects/stress2/misc/mlockall.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/mlockall.sh Mon Feb 22 07:19:25 2010 (r204191) @@ -0,0 +1,81 @@ +#!/bin/sh + +# +# Copyright (c) 2009 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: swap_reserved < decr" seen. Fixed in r195329 + +. ../default.cfg + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +odir=`pwd` +cd /tmp +sed '1,/^EOF/d' < $odir/$0 > mlockall.c +cc -o mlockall -Wall mlockall.c +rm -f mlockall.c + +for i in `jot 10`; do + /tmp/mlockall & + sleep 1 + ps | grep /tmp/mlockall | grep -v grep | awk '{print $1}' | while read pid; do + kill -2 $pid + kill -9 $pid + done +done + +rm -f /tmp/mlockall +exit +EOF +#include <err.h> +#include <stdlib.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +void +child(void) +{ + if (mlockall(MCL_CURRENT | MCL_FUTURE) == -1) + err(1, "mlockall(MCL_CURRENT | MCL_FUTURE)"); + fork(); + sleep(60); +} + +int +main(int argc, char **argv) +{ + int status; + + if (fork() == 0) + child(); + wait(&status); + + return (0); +}
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