Date: Mon, 2 Mar 2015 14:58:05 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r279521 - user/pho/stress2/misc Message-ID: <201503021458.t22Ew5iX003504@svn.freebsd.org>
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Author: pho Date: Mon Mar 2 14:58:04 2015 New Revision: 279521 URL: https://svnweb.freebsd.org/changeset/base/279521 Log: Added a regression test. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/core4.sh (contents, props changed) Added: user/pho/stress2/misc/core4.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/core4.sh Mon Mar 2 14:58:04 2015 (r279521) @@ -0,0 +1,97 @@ +#!/bin/sh + +# +# Copyright (c) 2014 EMC Corp. +# 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 multiple (parallel) core dumps and umount -f + +# "panic: vn_finished_write: neg cnt" seen. +# http://people.freebsd.org/~pho/core4.sh +# Fixed in r274501 + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +mntpoint=/mnt +mdstart=5 +part=a +newfs_flags="-U" +testuser=stress +[ -r ../default.cfg ] && . ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > core4.c +mycc -o core4 -Wall -Wextra -O0 -g core4.c || exit 1 +rm -f core4.c + +mount | grep -q "$mntpoint" && umount $mntpoint +mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart + +mdconfig -a -t swap -s 2g -u $mdstart +bsdlabel -w md${mdstart} auto + +newfs $newfs_flags md${mdstart}$part > /dev/null +for i in `jot 20`; do + mount /dev/md${mdstart}$part $mntpoint + chmod 777 $mntpoint + su $testuser -c "(cd $mntpoint; /tmp/core4)" & + su $testuser -c "(cd $mntpoint; /tmp/core4)" & + su $testuser -c "(cd $mntpoint; /tmp/core4)" & + sleep .5 + sleep .`jot -r 1 1 9` + umount -f $mntpoint + wait +done 2>/dev/null + +while mount | grep -q "on $mntpoint "; do + umount $mntpoint || sleep 1 +done +mdconfig -d -u $mdstart +rm -f /tmp/core4 +exit 0 +EOF +#include <sys/mman.h> +#include <sys/param.h> + +#include <err.h> +#include <signal.h> +#include <unistd.h> + +#define SIZ (1024L * 1024 * 1024) + +int +main(void) +{ + void *p; + + p = mmap(NULL, SIZ, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); + usleep(1000); + raise(SIGSEGV); + + return (0); +}
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