Date: Thu, 19 Feb 2015 10:28:23 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r278991 - user/pho/stress2/misc Message-ID: <201502191028.t1JASNuO083376@svn.freebsd.org>
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Author: pho Date: Thu Feb 19 10:28:22 2015 New Revision: 278991 URL: https://svnweb.freebsd.org/changeset/base/278991 Log: Added two more core dump test scenarios. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/core2.sh (contents, props changed) user/pho/stress2/misc/core3.sh (contents, props changed) Added: user/pho/stress2/misc/core2.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/core2.sh Thu Feb 19 10:28:22 2015 (r278991) @@ -0,0 +1,95 @@ +#!/bin/sh + +# +# Copyright (c) 2013 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 + +. ../default.cfg + +odir=`pwd` + +cd /tmp +sed '1,/^EOF/d' < $odir/$0 > core2.c +mycc -o core2 -Wall -Wextra -O0 core2.c || exit 1 +rm -f core2.c +cd $RUNDIR + +mount | grep "on $mntpoint " | grep -q md$mdstart && umount $mntpoint +[ -c /dev/mn$mdstart ] && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 1g -u $mdstart +bsdlabel -w md$mdstart auto +newfs $newfs_flags md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint + +touch /tmp/continue +for i in `jot 64`; do + mkdir -p $mntpoint/d$i + (cd $mntpoint; /tmp/core2) & +done +rm -f /tmp/continue + +for i in `jot 60`; do + umount $mntpoint 2>/dev/null || sleep 1 + mount | grep -q "on $mntpoint " || break +done +mount | grep -q "on $mntpoint " && + umount -f $mntpoint +mdconfig -d -u $mdstart +rm -f core2 +exit +EOF +#include <sys/mman.h> + +#include <err.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#define SIZ 1L * 128 * 1024 * 1024 + +void *p; + +int +main(void) +{ + size_t len; + + len = SIZ; + p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); + + while (access("/tmp/continue", R_OK) == 0) + usleep(1); + + raise(SIGSEGV); + + return (0); +} Added: user/pho/stress2/misc/core3.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/core3.sh Thu Feb 19 10:28:22 2015 (r278991) @@ -0,0 +1,151 @@ +#!/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 mount / umount. +# mount(8) stuck in "ufs" or "tmpfs". +# http://people.freebsd.org/~pho/stress/log/kostik724.txt +# Fixed by r272535. +# On i386 pgrep(1) loops. Fixed by r272566. + +. ../default.cfg + +odir=`pwd` + +cd /tmp +sed '1,/^EOF/d' < $odir/$0 > core3.c +mycc -o core3 -Wall -Wextra -O2 core3.c || exit 1 +rm -f core3.c +cd $odir + +mount | grep -q "on $mntpoint " && umount $mntpoint +[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 1g -u $mdstart +bsdlabel -w md$mdstart auto +newfs $newfs_flags md${mdstart}$part > /dev/null +chmod 755 /mnt +mount /dev/md${mdstart}$part $mntpoint +mkdir $mntpoint/d +chmod 777 $mntpoint/d + +su $testuser -c "/tmp/core3 $mntpoint/d" & +sleep 1 + +while pgrep -q core3; do + [ -d $mntpoint/d ] && + umount -f $mntpoint +done > /dev/null 2>&1 & +while pgrep -q core3; do + [ -d $mntpoint/d ] || + mount /dev/md${mdstart}$part $mntpoint +done > /dev/null 2>&1 +wait +mount | grep -q "on $mntpoint " && + umount -f $mntpoint +mdconfig -d -u $mdstart + +# tmpfs +mount -t tmpfs tmpfs $mntpoint +su $testuser -c "/tmp/core3 $mntpoint/d" & +sleep 1 + +while pgrep -q core3; do + [ -d $mntpoint/d ] && + umount -f $mntpoint +done & +while pgrep -q core3; do + if [ ! -d $mntpoint/d ]; then + mount -t tmpfs tmpfs $mntpoint + mkdir $mntpoint/d + fi +done +wait +mount | grep -q "on $mntpoint " && + umount -f $mntpoint + +rm -f core3 +exit +EOF +#include <sys/mman.h> +#include <sys/wait.h> + +#include <err.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#define PARALLEL 64 +#define SIZ (4 * 1024 * 1024) + +void *p; + +void +test(char *argv[]) +{ + size_t len; + + len = SIZ; + p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); + + /* + * This loop caused mount to wait in "ufs". + * Adding a usleep(200) would remove the hang. + */ + while (chdir(argv[1]) == -1) + ; + + raise(SIGSEGV); + + _exit(0); +} + +int +main(int argc, char *argv[]) +{ + time_t start; + int i; + + if (argc != 2) + errx(1, "Usage: %s <path>", argv[0]); + + start = time(NULL); + while (time(NULL) - start < 600) { + for (i = 0; i < PARALLEL; i++) { + if (fork() == 0) + test(argv); + } + for (i = 0; i < PARALLEL; i++) + wait(NULL); + } + + return (0); +}
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