Index: user/pho/stress2/misc/mmap6.sh =================================================================== --- user/pho/stress2/misc/mmap6.sh (revision 299955) +++ user/pho/stress2/misc/mmap6.sh (revision 299956) @@ -1,175 +1,181 @@ #!/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 scenario inspired by alc@ # "panic: vm_page_dirty: page is invalid!" seen. . ../default.cfg dir=/tmp odir=`pwd` cd $dir sed '1,/^EOF/d' < $odir/$0 > $dir/wire_no_page.c mycc -o mmap6 -Wall -Wextra wire_no_page.c || exit 1 rm -f wire_no_page.c cd $odir cp /tmp/mmap6 /tmp/mmap6.inputfile -(cd ../testcases/swap; ./swap -t 1m -i 2) & +(cd ../testcases/swap; ./swap -t 5m -i 2) & cp /tmp/mmap6 /tmp/mmap6.inputfile /tmp/mmap6 /tmp/mmap6.inputfile while killall -9 swap; do sleep .1 done > /dev/null 2>&1 wait rm -f /tmp/mmap6 /tmp/mmap6.inputfile -exit +exit 0 EOF -#include -#include -#include +#include #include #include -#include #include -#include #include + +#include +#include +#include +#include #include +#define RUNTIME 300 + const char *file; char c; void rd(void) { struct stat st; char *p1, *p2; size_t len; int error, fd; if ((fd = open(file, O_RDONLY)) == -1) err(1, "open %s", file); if ((error = fstat(fd, &st)) == -1) err(1, "stat(%s)", file); len = round_page(st.st_size); if ((p1 = mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) err(1, "mmap"); if ((p2 = mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) err(1, "mmap"); c = p1[arc4random() % len]; c = p2[arc4random() % len]; if (arc4random() % 100 < 50) if ((error = mlock(p1, len)) == -1) err(1, "mlock"); c = p1[arc4random() % len]; if (munmap(p2, len) == -1) err(1, "unmap()"); if (munmap(p1, len) == -1) err(1, "unmap()"); close(fd); } void wr(void) { struct stat st; char *p1, *p2; size_t len; int error, fd; if ((fd = open(file, O_RDWR)) == -1) err(1, "open %s", file); if ((error = fstat(fd, &st)) == -1) err(1, "stat(%s)", file); len = round_page(st.st_size); - if ((p1 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + if ((p1 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == + MAP_FAILED) err(1, "mmap"); - if ((p2 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + if ((p2 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == + MAP_FAILED) err(1, "mmap"); p1[arc4random() % len] = 1; p2[arc4random() % len] = 1; if (arc4random() % 100 < 50) if ((error = mlock(p1, len)) == -1) err(1, "mlock"); p1[arc4random() % len] = 1; if (arc4random() % 100 < 50) if ((error = msync(p1, len, MS_SYNC | MS_INVALIDATE)) == -1) if (errno != EBUSY) err(1, "msync"); if (munmap(p2, len) == -1) err(1, "unmap()"); if (munmap(p1, len) == -1) err(1, "unmap()"); close(fd); } void test2(void) { if (arc4random() % 100 < 30) rd(); else wr(); _exit(0); } void test(void) { int i; for (i = 0; i < 3; i++) if (fork() == 0) test2(); for (i = 0; i < 3; i++) wait(NULL); _exit(0); } int main(int argc, char *argv[]) { - int i; + time_t start; if (argc != 2) errx(1, "Usage: %s ", argv[0]); file = argv[1]; - for (i = 0; i < 30000; i++) { + start = time(NULL); + while (time(NULL) - start < RUNTIME) { if (fork() == 0) test(); wait(NULL); } return (0); } Index: user/pho/stress2/misc/msync2.sh =================================================================== --- user/pho/stress2/misc/msync2.sh (revision 299955) +++ user/pho/stress2/misc/msync2.sh (revision 299956) @@ -1,128 +1,133 @@ #!/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. # # $FreeBSD$ # # "panic: vm_pageout_flush: partially invalid page xx index 0/1" seen. # Fixed in r255566. . ../default.cfg dir=/tmp odir=`pwd` cd $dir sed '1,/^EOF/d' < $odir/$0 > $dir/msync2.c mycc -o msync2 -Wall -Wextra msync2.c || exit 1 rm -f msync2.c cd $odir dd if=/dev/zero bs=$((4096 + 1)) of=/tmp/msync2.inputfile count=1 2>&1 | egrep -v "records|transferred" /tmp/msync2 /tmp/msync2.inputfile rm -f /tmp/msync2 /tmp/msync2.inputfile exit EOF -#include -#include -#include +#include #include #include -#include #include -#include #include + +#include +#include +#include +#include #include +#define RUNTIME 300 + const char *file; char c; void wr(void) { struct stat st; char *p1; size_t len; int error, fd; if ((fd = open(file, O_RDWR)) == -1) err(1, "open %s", file); if ((error = fstat(fd, &st)) == -1) err(1, "stat(%s)", file); len = round_page(st.st_size); - if ((p1 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + if ((p1 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == + MAP_FAILED) err(1, "mmap"); // p1[len - 1] = 1; /* No panic with this */ p1[arc4random() % len] = 1; /* Need this for the panic */ if ((error = msync(p1, len, MS_SYNC | MS_INVALIDATE)) == -1) if (errno != EBUSY) err(1, "msync"); if (munmap(p1, len) == -1) err(1, "unmap()"); close(fd); _exit(0); } void test(void) { #if 1 int i; for (i = 0; i < 3; i++) if (fork() == 0) wr(); for (i = 0; i < 3; i++) wait(NULL); #else wr(); /* No problem here */ #endif _exit(0); } int main(int argc, char *argv[]) { - int i; + time_t start; if (argc != 2) errx(1, "Usage: %s ", argv[0]); file = argv[1]; - for (i = 0; i < 30000; i++) { + start = time(NULL); + while (time(NULL) - start < RUNTIME) { if (fork() == 0) test(); wait(NULL); } return (0); } Index: user/pho/stress2/misc/wire_no_page.sh =================================================================== --- user/pho/stress2/misc/wire_no_page.sh (revision 299955) +++ user/pho/stress2/misc/wire_no_page.sh (revision 299956) @@ -1,107 +1,106 @@ #!/bin/sh # # Copyright (c) 2013 Peter Holm # 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 scenario by kib@ # "panic: vm_page_set_invalid: page 0xc3dfe8c0 is busy" seen. [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 . ../default.cfg dir=/tmp odir=`pwd` cd $dir sed '1,/^EOF/d' < $odir/$0 > $dir/wire_no_page.c mycc -o wire_no_page -Wall -Wextra wire_no_page.c -lpthread || exit 1 rm -f wire_no_page.c cd $odir cp /tmp/wire_no_page /tmp/wire_no_page2 -for i in `jot 100`; do - for j in `jot 50`; do +start=`date '+%s'` +while [ $((`date '+%s'` - start)) -lt 300 ]; do + for i in `jot 50`; do /tmp/wire_no_page /tmp/wire_no_page2 & done - for j in `jot 50`; do - wait - done + wait done rm -f /tmp/wire_no_page /tmp/wire_no_page2 exit EOF /* $Id: wire_no_page.c,v 1.1 2013/05/17 07:50:30 kostik Exp kostik $ */ #include #include #include #include #include #include #include int main(int argc, char *argv[]) { struct stat st; char *p1, *p2; size_t len; pid_t child; int error, fd; if (argc < 2) errx(1, "file name ?"); fd = open(argv[1], O_RDWR); if (fd == -1) err(1, "open %s", argv[1]); error = fstat(fd, &st); if (error == -1) err(1, "stat"); len = round_page(st.st_size); p1 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if ((void *)p1 == MAP_FAILED) err(1, "mmap"); error = mlock(p1, len); if (error == -1) err(1, "mlock"); p2 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if ((void *)p2 == MAP_FAILED) err(1, "mmap"); error = msync(p2, len, MS_SYNC | MS_INVALIDATE); if (error == -1) err(1, "msync"); child = fork(); if (child == -1) err(1, "fork"); else if (child == 0) _exit(0); return (0); }