xref: /freebsd/tools/test/stress2/misc/suj10.sh (revision 8a272653d9fbd9fc37691c9aad6a05089b4ecb4d)
1*8a272653SPeter Holm#!/bin/sh
2*8a272653SPeter Holm
3*8a272653SPeter Holm#
4*8a272653SPeter Holm# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org>
5*8a272653SPeter Holm# All rights reserved.
6*8a272653SPeter Holm#
7*8a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
8*8a272653SPeter Holm# modification, are permitted provided that the following conditions
9*8a272653SPeter Holm# are met:
10*8a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
11*8a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
12*8a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
13*8a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
14*8a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
15*8a272653SPeter Holm#
16*8a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*8a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*8a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*8a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*8a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*8a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*8a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*8a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*8a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*8a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*8a272653SPeter Holm# SUCH DAMAGE.
27*8a272653SPeter Holm#
28*8a272653SPeter Holm
29*8a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
30*8a272653SPeter Holm
31*8a272653SPeter Holm# Page fault in softdep_revert_mkdir+0x4d seen and
32*8a272653SPeter Holm
33*8a272653SPeter Holm# fsck updates "clean" FS:
34*8a272653SPeter Holm# *** /tmp/dumpfs.1       2010-12-24 19:18:44.000000000 +0100
35*8a272653SPeter Holm# --- /tmp/dumpfs.2       2010-12-24 19:18:46.000000000 +0100
36*8a272653SPeter Holm# ***************
37*8a272653SPeter Holm# *** 5,11 ****
38*8a272653SPeter Holm#   frag  8       shift   3       fsbtodb 2
39*8a272653SPeter Holm#   minfree       8%      optim   time    symlinklen 120
40*8a272653SPeter Holm#   maxbsize 16384        maxbpg  2048    maxcontig 8     contigsumsize 8
41*8a272653SPeter Holm# ! nbfree        62794   ndir    2       nifree  141307  nffree  25
42*8a272653SPeter Holm#   bpg   11761   fpg     94088   ipg     23552   unrefs  0
43*8a272653SPeter Holm#   nindir        2048    inopb   64      maxfilesize     140806241583103
44*8a272653SPeter Holm#   sbsize        2048    cgsize  16384   csaddr  3000    cssize  2048
45*8a272653SPeter Holm# --- 5,11 ----
46*8a272653SPeter Holm#   frag  8       shift   3       fsbtodb 2
47*8a272653SPeter Holm#   minfree       8%      optim   time    symlinklen 120
48*8a272653SPeter Holm#   maxbsize 16384        maxbpg  2048    maxcontig 8     contigsumsize 8
49*8a272653SPeter Holm# ! nbfree        62794   ndir    30      nifree  141307  nffree  25
50*8a272653SPeter Holm#   bpg   11761   fpg     94088   ipg     23552   unrefs  0
51*8a272653SPeter Holm#   nindir        2048    inopb   64      maxfilesize     140806241583103
52*8a272653SPeter Holm#   sbsize        2048    cgsize  16384   csaddr  3000    cssize  2048
53*8a272653SPeter Holm
54*8a272653SPeter Holm. ../default.cfg
55*8a272653SPeter Holm
56*8a272653SPeter Holmhere=`pwd`
57*8a272653SPeter Holmcd /tmp
58*8a272653SPeter Holmsed '1,/^EOF/d' < $here/$0 > suj10.c
59*8a272653SPeter Holmmycc -o suj10 -Wall -Wextra -O2 suj10.c || exit 1
60*8a272653SPeter Holmrm -f suj10.c
61*8a272653SPeter Holmcd $here
62*8a272653SPeter Holm
63*8a272653SPeter Holmmount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
64*8a272653SPeter Holmmdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
65*8a272653SPeter Holmmdconfig -a -t swap -s 1g -u $mdstart
66*8a272653SPeter Holmnewfs -j md$mdstart > /dev/null
67*8a272653SPeter Holmmount /dev/md$mdstart $mntpoint
68*8a272653SPeter Holmchmod 777 $mntpoint
69*8a272653SPeter Holm
70*8a272653SPeter Holmsu $testuser -c "cd $mntpoint; /tmp/suj10"
71*8a272653SPeter Holm
72*8a272653SPeter Holmwhile mount | grep "$mntpoint " | grep -q /dev/md; do
73*8a272653SPeter Holm	umount $mntpoint || sleep 1
74*8a272653SPeter Holmdone
75*8a272653SPeter Holmdumpfs /dev/md$mdstart | grep -vE "UFS2|last.*time" > /tmp/dumpfs.1
76*8a272653SPeter Holmsleep 1
77*8a272653SPeter Holmfsck -t ufs -y -v /dev/md$mdstart > /tmp/fsck.log 2>&1
78*8a272653SPeter Holmdumpfs /dev/md$mdstart | grep -vE "UFS2|last.*time" > /tmp/dumpfs.2
79*8a272653SPeter Holmdiff -c /tmp/dumpfs.1 /tmp/dumpfs.2 || { s=1; cat /tmp/fsck.log; } && s=0
80*8a272653SPeter Holmmdconfig -d -u $mdstart
81*8a272653SPeter Holmrm -f /tmp/fsck.log /tmp/dumpfs.? /tmp/suj10
82*8a272653SPeter Holmexit $s
83*8a272653SPeter HolmEOF
84*8a272653SPeter Holm#include <sys/param.h>
85*8a272653SPeter Holm#include <sys/mount.h>
86*8a272653SPeter Holm#include <sys/stat.h>
87*8a272653SPeter Holm#include <sys/wait.h>
88*8a272653SPeter Holm#include <err.h>
89*8a272653SPeter Holm#include <errno.h>
90*8a272653SPeter Holm#include <fcntl.h>
91*8a272653SPeter Holm#include <sched.h>
92*8a272653SPeter Holm#include <stdio.h>
93*8a272653SPeter Holm#include <stdlib.h>
94*8a272653SPeter Holm#include <unistd.h>
95*8a272653SPeter Holm
96*8a272653SPeter Holm#define PARALLEL 10
97*8a272653SPeter Holm/*
98*8a272653SPeter Holmstatic int size = 14100;
99*8a272653SPeter HolmCauses:
100*8a272653SPeter Holm    Fatal trap 12: page fault while in kernel mode
101*8a272653SPeter Holm    Stopped at softdep_revert_mkdir+0x4d: movl 0x28(%ebx),%eax
102*8a272653SPeter Holm*/
103*8a272653SPeter Holmstatic int size = 13000;
104*8a272653SPeter Holm
105*8a272653SPeter Holmstatic void
106*8a272653SPeter Holmtest(void)
107*8a272653SPeter Holm{
108*8a272653SPeter Holm	pid_t pid;
109*8a272653SPeter Holm	int fd, i, j;
110*8a272653SPeter Holm	char file[128];
111*8a272653SPeter Holm
112*8a272653SPeter Holm	for (;;) {
113*8a272653SPeter Holm		if (access("rendezvous", R_OK) == 0)
114*8a272653SPeter Holm			break;
115*8a272653SPeter Holm		sched_yield();
116*8a272653SPeter Holm	}
117*8a272653SPeter Holm	pid = getpid();
118*8a272653SPeter Holm	sprintf(file,"d%05d", pid);
119*8a272653SPeter Holm	if (mkdir(file, 0740) == -1)
120*8a272653SPeter Holm		err(1, "mkdir(%s)", file);
121*8a272653SPeter Holm	chdir(file);
122*8a272653SPeter Holm	for (j = 0; j < size; j++) {
123*8a272653SPeter Holm		sprintf(file,"p%05d.%05d", pid, j);
124*8a272653SPeter Holm		if ((fd = mkdir(file, 0740)) == -1) {
125*8a272653SPeter Holm			if (errno != EINTR) {
126*8a272653SPeter Holm				warn("mkdir(%s). %s:%d", file, __FILE__, __LINE__);
127*8a272653SPeter Holm				unlink("continue");
128*8a272653SPeter Holm				break;
129*8a272653SPeter Holm			}
130*8a272653SPeter Holm		}
131*8a272653SPeter Holm
132*8a272653SPeter Holm	}
133*8a272653SPeter Holm	sleep(3);
134*8a272653SPeter Holm
135*8a272653SPeter Holm	for (i = --j; i >= 0; i--) {
136*8a272653SPeter Holm		sprintf(file,"p%05d.%05d", pid, i);
137*8a272653SPeter Holm		if (rmdir(file) == -1)
138*8a272653SPeter Holm			err(3, "unlink(%s)", file);
139*8a272653SPeter Holm
140*8a272653SPeter Holm	}
141*8a272653SPeter Holm	chdir("..");
142*8a272653SPeter Holm	sprintf(file,"d%05d", pid);
143*8a272653SPeter Holm	if (rmdir(file) == -1)
144*8a272653SPeter Holm		err(3, "unlink(%s)", file);
145*8a272653SPeter Holm}
146*8a272653SPeter Holm
147*8a272653SPeter Holmint
148*8a272653SPeter Holmmain(void)
149*8a272653SPeter Holm{
150*8a272653SPeter Holm	int fd, i, j;
151*8a272653SPeter Holm
152*8a272653SPeter Holm	umask(0);
153*8a272653SPeter Holm	if ((fd = open("continue", O_CREAT, 0644)) == -1)
154*8a272653SPeter Holm		err(1, "open()");
155*8a272653SPeter Holm	close(fd);
156*8a272653SPeter Holm	for (i = 0; i < 1; i++) {
157*8a272653SPeter Holm		for (j = 0; j < PARALLEL; j++) {
158*8a272653SPeter Holm			if (fork() == 0) {
159*8a272653SPeter Holm				test();
160*8a272653SPeter Holm				exit(0);
161*8a272653SPeter Holm			}
162*8a272653SPeter Holm		}
163*8a272653SPeter Holm
164*8a272653SPeter Holm		if ((fd = open("rendezvous", O_CREAT, 0644)) == -1)
165*8a272653SPeter Holm			err(1, "open()");
166*8a272653SPeter Holm		close(fd);
167*8a272653SPeter Holm
168*8a272653SPeter Holm		for (j = 0; j < PARALLEL; j++)
169*8a272653SPeter Holm			wait(NULL);
170*8a272653SPeter Holm
171*8a272653SPeter Holm		unlink("rendezvous");
172*8a272653SPeter Holm		if (access("continue", R_OK) == -1) {
173*8a272653SPeter Holm			fprintf(stderr, "Loop #%d\n", i + 1); fflush(stderr);
174*8a272653SPeter Holm			break;
175*8a272653SPeter Holm		}
176*8a272653SPeter Holm	}
177*8a272653SPeter Holm	unlink("continue");
178*8a272653SPeter Holm
179*8a272653SPeter Holm	return (0);
180*8a272653SPeter Holm}
181