xref: /freebsd/tools/test/stress2/misc/core3.sh (revision 608c97bff921c8936eb71f4b1a177625cfa60250)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm
38a272653SPeter Holm#
48a272653SPeter Holm# Copyright (c) 2014 EMC Corp.
58a272653SPeter Holm# All rights reserved.
68a272653SPeter Holm#
78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
88a272653SPeter Holm# modification, are permitted provided that the following conditions
98a272653SPeter Holm# are met:
108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
118a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
138a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
148a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
158a272653SPeter Holm#
168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
198a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
268a272653SPeter Holm# SUCH DAMAGE.
278a272653SPeter Holm#
288a272653SPeter Holm
298a272653SPeter Holm# Test multiple (parallel) core dumps and mount / umount.
308a272653SPeter Holm# mount(8) stuck in "ufs" or "tmpfs".
318a272653SPeter Holm# http://people.freebsd.org/~pho/stress/log/kostik724.txt
328a272653SPeter Holm# Fixed by r272535.
338a272653SPeter Holm# On i386 pgrep(1) loops. Fixed by r272566.
348a272653SPeter Holm
358a272653SPeter Holm# "Sleeping on "pmapdi" with the following non-sleepable locks held:"
368a272653SPeter Holm# https://people.freebsd.org/~pho/stress/log/kostik883.txt
378a272653SPeter Holm
388a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
398a272653SPeter Holm. ../default.cfg
408a272653SPeter Holm
418a272653SPeter Holmodir=`pwd`
428a272653SPeter Holm
438a272653SPeter Holmcd /tmp
448a272653SPeter Holmsed '1,/^EOF/d' < $odir/$0 > core3.c
458a272653SPeter Holmmycc -o core3 -Wall -Wextra -O2 core3.c || exit 1
468a272653SPeter Holmrm -f core3.c
478a272653SPeter Holmcd $odir
488a272653SPeter Holm
498a272653SPeter Holmmount | grep -q "on $mntpoint " && umount $mntpoint
508a272653SPeter Holm[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
518a272653SPeter Holmmdconfig -a -t swap -s 1g -u $mdstart
52*608c97bfSPeter Holmnewfs $newfs_flags md$mdstart > /dev/null
53*608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint
548a272653SPeter Holmmkdir $mntpoint/d
558a272653SPeter Holmchmod 777 $mntpoint/d
568a272653SPeter Holm
578a272653SPeter Holmsu $testuser -c "/tmp/core3 $mntpoint/d" &
588a272653SPeter Holmpid=$!
598a272653SPeter Holmsleep 1
608a272653SPeter Holm
618a272653SPeter Holmwhile pgrep -q core3; do
628a272653SPeter Holm	[ -d $mntpoint/d ] &&
638a272653SPeter Holm	   umount -f $mntpoint
648a272653SPeter Holmdone > /dev/null 2>&1  &
658a272653SPeter Holmwhile pgrep -q core3; do
668a272653SPeter Holm	[ -d $mntpoint/d ] ||
67*608c97bfSPeter Holm	   mount /dev/md$mdstart $mntpoint
688a272653SPeter Holmdone > /dev/null 2>&1
698a272653SPeter Holmwait $pid
708a272653SPeter Holmstatus=$?
718a272653SPeter Holmmount | grep -q "on $mntpoint " &&
728a272653SPeter Holm	    umount -f $mntpoint
738a272653SPeter Holmmdconfig -d -u $mdstart
748a272653SPeter Holm[ $status -ne 0 ] && exit $status
758a272653SPeter Holm
768a272653SPeter Holm# tmpfs
778a272653SPeter Holmmount -o size=1g -t tmpfs tmpfs $mntpoint
788a272653SPeter Holmsu $testuser -c "/tmp/core3 $mntpoint/d" &
798a272653SPeter Holmpid=$!
808a272653SPeter Holmsleep 1
818a272653SPeter Holm
828a272653SPeter Holmwhile pgrep -q core3; do
838a272653SPeter Holm	[ -d $mntpoint/d ] &&
848a272653SPeter Holm	   umount -f $mntpoint
858a272653SPeter Holmdone > /dev/null &
868a272653SPeter Holmwhile pgrep -q core3; do
878a272653SPeter Holm	if [ ! -d $mntpoint/d ]; then
888a272653SPeter Holm		mount -t tmpfs tmpfs $mntpoint
898a272653SPeter Holm		mkdir $mntpoint/d
908a272653SPeter Holm	fi
918a272653SPeter Holmdone
928a272653SPeter Holmwait $pid
938a272653SPeter Holmstatus=$?
948a272653SPeter Holmfor i in `jot 5` ; do
958a272653SPeter Holm	mount | grep -q "on $mntpoint " || break
968a272653SPeter Holm	umount -f $mntpoint
978a272653SPeter Holm	sleep 1
988a272653SPeter Holmdone
998a272653SPeter Holmrm -f /tmp/core3
1008a272653SPeter Holmexit $status
1018a272653SPeter HolmEOF
1028a272653SPeter Holm#include <sys/mman.h>
1038a272653SPeter Holm#include <sys/wait.h>
1048a272653SPeter Holm
1058a272653SPeter Holm#include <err.h>
1068a272653SPeter Holm#include <signal.h>
1078a272653SPeter Holm#include <stdio.h>
1088a272653SPeter Holm#include <stdlib.h>
1098a272653SPeter Holm#include <string.h>
1108a272653SPeter Holm#include <time.h>
1118a272653SPeter Holm#include <unistd.h>
1128a272653SPeter Holm
1138a272653SPeter Holm#define PARALLEL 64
1148a272653SPeter Holm#define SIZ (4 * 1024 * 1024)
1158a272653SPeter Holm#define TIMEDOUT 22
1168a272653SPeter Holm
1178a272653SPeter Holmvoid *p;
1188a272653SPeter Holm
1198a272653SPeter Holmstatic void
1208a272653SPeter Holmhand(int i __unused) {	/* handler */
1218a272653SPeter Holm	_exit(TIMEDOUT);
1228a272653SPeter Holm}
1238a272653SPeter Holm
1248a272653SPeter Holmvoid
1258a272653SPeter Holmtest(char *argv[])
1268a272653SPeter Holm{
1278a272653SPeter Holm	size_t len;
1288a272653SPeter Holm
1298a272653SPeter Holm	len = SIZ;
1308a272653SPeter Holm	p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
1318a272653SPeter Holm
1328a272653SPeter Holm	/*
1338a272653SPeter Holm	 * This loop caused mount to wait in "ufs".
1348a272653SPeter Holm	 * Adding a usleep(200) would remove the hang.
1358a272653SPeter Holm	 */
1368a272653SPeter Holm	signal(SIGALRM, hand);
1378a272653SPeter Holm	alarm(600);
1388a272653SPeter Holm	while (chdir(argv[1]) == -1)
1398a272653SPeter Holm		;
1408a272653SPeter Holm
1418a272653SPeter Holm	raise(SIGSEGV);
1428a272653SPeter Holm
1438a272653SPeter Holm	_exit(0);
1448a272653SPeter Holm}
1458a272653SPeter Holm
1468a272653SPeter Holmint
1478a272653SPeter Holmmain(int argc, char *argv[])
1488a272653SPeter Holm{
1498a272653SPeter Holm	time_t start;
1508a272653SPeter Holm	int i, s, status;
1518a272653SPeter Holm
1528a272653SPeter Holm	if (argc != 2)
1538a272653SPeter Holm		errx(1, "Usage: %s <path>", argv[0]);
1548a272653SPeter Holm
1558a272653SPeter Holm	status = 0;
1568a272653SPeter Holm	start = time(NULL);
1578a272653SPeter Holm	while (time(NULL) - start < 600 && status == 0) {
1588a272653SPeter Holm		for (i = 0; i < PARALLEL; i++) {
1598a272653SPeter Holm			if (fork() == 0)
1608a272653SPeter Holm				test(argv);
1618a272653SPeter Holm		}
1628a272653SPeter Holm		for (i = 0; i < PARALLEL; i++) {
1638a272653SPeter Holm			wait(&s);
1648a272653SPeter Holm			if (WEXITSTATUS(s) == TIMEDOUT)
1658a272653SPeter Holm				status = 1;
1668a272653SPeter Holm		}
1678a272653SPeter Holm	}
1688a272653SPeter Holm
1698a272653SPeter Holm	return (status);
1708a272653SPeter Holm}
171