From owner-svn-src-user@freebsd.org Mon Jul 22 07:19:47 2019 Return-Path: Delivered-To: svn-src-user@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1B5DCA9F22 for ; Mon, 22 Jul 2019 07:19:47 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id EF6B287DAF; Mon, 22 Jul 2019 07:19:46 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C9389933B; Mon, 22 Jul 2019 07:19:46 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x6M7JkhQ031128; Mon, 22 Jul 2019 07:19:46 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x6M7Jkjm031127; Mon, 22 Jul 2019 07:19:46 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201907220719.x6M7Jkjm031127@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Mon, 22 Jul 2019 07:19:46 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r350208 - user/pho/stress2/misc X-SVN-Group: user X-SVN-Commit-Author: pho X-SVN-Commit-Paths: user/pho/stress2/misc X-SVN-Commit-Revision: 350208 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: EF6B287DAF X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.95)[-0.946,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Jul 2019 07:19:47 -0000 Author: pho Date: Mon Jul 22 07:19:46 2019 New Revision: 350208 URL: https://svnweb.freebsd.org/changeset/base/350208 Log: Added a regression test. Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/sem_wait.sh (contents, props changed) Added: user/pho/stress2/misc/sem_wait.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/sem_wait.sh Mon Jul 22 07:19:46 2019 (r350208) @@ -0,0 +1,106 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2019 Dell EMC Isilon +# +# 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_page_free_prep: freeing mapped page 0x657936c" seen. +# https://people.freebsd.org/~pho/stress/log/sem_wait.txt +# Fixed by r350005 + +. ../default.cfg + +cat > /tmp/sem_wait.c < +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static sem_t *semaphore; + +static void * +test(void) { + + for (;;) { + if (sem_wait(semaphore) == -1) + err(1, "sem_wait"); + if (sem_post(semaphore) == -1) + err(1, "sem_post"); + } +} + +int +main(void) { + pid_t pid; + size_t len; + time_t start; + + len = PAGE_SIZE; + if ((semaphore = mmap(NULL, len, PROT_READ | PROT_WRITE, + MAP_ANON | MAP_SHARED, -1, 0)) == MAP_FAILED) + err(1, "mmap"); + + // initialize semaphore and set value to 1 + if (sem_init(semaphore, 1, 1) == -1) + err(1, "sem_init"); + + if ((pid = fork()) == 0) + test(); + if (pid == -1) + err(1, "fork()"); + + usleep(50); + alarm(300); + start = time(NULL); + while (time(NULL) - start < 60) { + if (sem_wait(semaphore) == -1) + err(1, "sem_wait"); + if (sem_post(semaphore) == -1) + err(1, "sem_post"); + } + kill(pid, SIGHUP); + if (waitpid(pid, NULL, 0) != pid) + err(1, "waitpid()"); + + return (0); +} +EOF +mycc -o /tmp/sem_wait -Wall -Wextra -O2 /tmp/sem_wait.c || exit 1 +/tmp/sem_wait; s=$? +rm -f /tmp/sem_wait /tmp/sem_wait.c +exit $s