From owner-svn-src-user@freebsd.org Mon Aug 31 12:42:23 2015 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BA7949C6D80 for ; Mon, 31 Aug 2015 12:42:23 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A87BDE1E; Mon, 31 Aug 2015 12:42:23 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t7VCgNoT079038; Mon, 31 Aug 2015 12:42:23 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id t7VCgM1b079032; Mon, 31 Aug 2015 12:42:22 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201508311242.t7VCgM1b079032@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Mon, 31 Aug 2015 12:42:22 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r287325 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.20 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, 31 Aug 2015 12:42:23 -0000 Author: pho Date: Mon Aug 31 12:42:21 2015 New Revision: 287325 URL: https://svnweb.freebsd.org/changeset/base/287325 Log: Added Ctrl-C trap handling. Sponsored by: EMC / Isilon storage division Modified: user/pho/stress2/misc/altbufferflushes.sh user/pho/stress2/misc/lockf.sh user/pho/stress2/misc/lookup_shared.sh user/pho/stress2/misc/overcommit2.sh user/pho/stress2/misc/signal.sh Modified: user/pho/stress2/misc/altbufferflushes.sh ============================================================================== --- user/pho/stress2/misc/altbufferflushes.sh Mon Aug 31 12:28:13 2015 (r287324) +++ user/pho/stress2/misc/altbufferflushes.sh Mon Aug 31 12:42:21 2015 (r287325) @@ -80,7 +80,7 @@ diskfree=`df -k /var/tmp | tail -1 | awk [ $((diskfree / 1024 / 1024)) -lt 5 ] && echo "Not enough disk space" && exit 1 rm -f /var/.snap/stress2 /var/tmp/big.? -trap "rm -f /var/.snap/stress2 /var/tmp/big.?" 0 +trap "rm -f /var/.snap/stress2 /var/tmp/big.?" EXIT SIGINT persist 'mksnap_ffs /var /var/.snap/stress2' tresh=`sysctl vfs.dirtybufthresh | awk '{print $NF}'` sysctl vfs.dirtybufthresh=10 Modified: user/pho/stress2/misc/lockf.sh ============================================================================== --- user/pho/stress2/misc/lockf.sh Mon Aug 31 12:28:13 2015 (r287324) +++ user/pho/stress2/misc/lockf.sh Mon Aug 31 12:42:21 2015 (r287325) @@ -41,7 +41,7 @@ ping -c 2 `echo $nfs_export | sed 's/:.* pgrep -q lockd || { echo "lockd not running"; exit 0; } -trap "rm -f /tmp/$0.$$.*" 0 +trap "rm -f /tmp/$0.$$.*" EXIT SIGINT mount | grep "$mntpoint" | grep nfs > /dev/null && umount $mntpoint for i in `jot 100`; do Modified: user/pho/stress2/misc/lookup_shared.sh ============================================================================== --- user/pho/stress2/misc/lookup_shared.sh Mon Aug 31 12:28:13 2015 (r287324) +++ user/pho/stress2/misc/lookup_shared.sh Mon Aug 31 12:42:21 2015 (r287325) @@ -31,11 +31,10 @@ [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 saved=`sysctl vfs.lookup_shared | awk '{print $NF}'` +trap "sysctl vfs.lookup_shared=$saved" EXIT SIGINT export runRUNTIME=10m # Run tests for 10 minutes for i in 1 0; do sysctl vfs.lookup_shared=$i (cd ..; ./run.sh disk.cfg) done - -sysctl vfs.lookup_shared=$saved Modified: user/pho/stress2/misc/overcommit2.sh ============================================================================== --- user/pho/stress2/misc/overcommit2.sh Mon Aug 31 12:28:13 2015 (r287324) +++ user/pho/stress2/misc/overcommit2.sh Mon Aug 31 12:42:21 2015 (r287325) @@ -43,6 +43,7 @@ old=`sysctl -n vm.overcommit` size=$((`sysctl -n hw.usermem` / 1024 / 1024)) # in MB size=$((size + size / 100 * 20)) # 120% of hw.usermem sysctl vm.overcommit=1 +trap "sysctl vm.overcommit=$old" EXIT SIGINT mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart @@ -52,8 +53,8 @@ newfs $newfs_flags md${mdstart}$part > / mount /dev/md${mdstart}$part $mntpoint echo "Expect: -/mnt: write failed, filesystem is full -dd: /mnt/big.1: No space left on device" + /mnt: write failed, filesystem is full + dd: /mnt/big.1: No space left on device" for i in `jot 10`; do dd if=/dev/zero of=/mnt/big.$i bs=1m 2>&1 | \ @@ -65,5 +66,3 @@ while mount | grep "on $mntpoint " | gre umount $mntpoint || sleep 1 done mdconfig -d -u $mdstart - -sysctl vm.overcommit=$old Modified: user/pho/stress2/misc/signal.sh ============================================================================== --- user/pho/stress2/misc/signal.sh Mon Aug 31 12:28:13 2015 (r287324) +++ user/pho/stress2/misc/signal.sh Mon Aug 31 12:42:21 2015 (r287325) @@ -202,7 +202,7 @@ rm -f waitthread.c tkill.c rm -f gdbfifo gdbout pstat /tmp/waitthread ps | grep -v grep | grep waitthread | awk '{print $1}' | xargs kill mkfifo gdbfifo -trap "rm -f gdbfifo" 0 +trap "rm -f gdbfifo" EXIT SIGINT sleep 300 > gdbfifo & # Keep the fifo open fifopid=$! From owner-svn-src-user@freebsd.org Tue Sep 1 09:09:50 2015 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 752AD9C7B08 for ; Tue, 1 Sep 2015 09:09:50 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 668C721E; Tue, 1 Sep 2015 09:09:50 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t8199oYQ002320; Tue, 1 Sep 2015 09:09:50 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id t8199ojx002319; Tue, 1 Sep 2015 09:09:50 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201509010909.t8199ojx002319@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Tue, 1 Sep 2015 09:09:50 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r287352 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.20 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: Tue, 01 Sep 2015 09:09:50 -0000 Author: pho Date: Tue Sep 1 09:09:49 2015 New Revision: 287352 URL: https://svnweb.freebsd.org/changeset/base/287352 Log: Added a few more finding and marked test as a "known issue" for i386. Sponsored by: EMC / Isilon storage division Modified: user/pho/stress2/misc/mmap14.sh Modified: user/pho/stress2/misc/mmap14.sh ============================================================================== --- user/pho/stress2/misc/mmap14.sh Tue Sep 1 08:42:04 2015 (r287351) +++ user/pho/stress2/misc/mmap14.sh Tue Sep 1 09:09:49 2015 (r287352) @@ -37,6 +37,17 @@ # http://people.freebsd.org/~pho/stress/log/kostik764.txt # Fixed by r280238 +# panic: vm_reserv_break: reserv 0xfffff807cbe9af00 is full +# https://people.freebsd.org/~pho/stress/log/alan006.txt + +# panic: vm_page_dirty: page is invalid! +# https://people.freebsd.org/~pho/stress/log/kostik818.txt + +# i386 livelock +# https://people.freebsd.org/~pho/stress/log/mmap14.txt + +[ `uname -m` = "i386" ] || exit 0 # Waiting for mmap14.txt + [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 . ../default.cfg From owner-svn-src-user@freebsd.org Tue Sep 1 12:33:36 2015 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D74189C66F1 for ; Tue, 1 Sep 2015 12:33:36 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C7C27F25; Tue, 1 Sep 2015 12:33:36 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t81CXaxj088112; Tue, 1 Sep 2015 12:33:36 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id t81CXaOO088111; Tue, 1 Sep 2015 12:33:36 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201509011233.t81CXaOO088111@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Tue, 1 Sep 2015 12:33:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r287359 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.20 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: Tue, 01 Sep 2015 12:33:37 -0000 Author: pho Date: Tue Sep 1 12:33:35 2015 New Revision: 287359 URL: https://svnweb.freebsd.org/changeset/base/287359 Log: Added a "out of VM" test scenario. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/oovm.sh (contents, props changed) Added: user/pho/stress2/misc/oovm.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/oovm.sh Tue Sep 1 12:33:35 2015 (r287359) @@ -0,0 +1,133 @@ +#!/bin/sh + +# +# Copyright (c) 2015 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. +# +# $FreeBSD$ +# + +# Out of VM deadlock seen. +# https://people.freebsd.org/~pho/stress/log/oovm.txt +# https://people.freebsd.org/~pho/stress/log/oovm-2.txt + +# Test scenario suggestion by alc@ + +. ../default.cfg + +[ `swapinfo | wc -l` -eq 1 ] && exit 0 +size=$((`sysctl -n hw.physmem` / 1024 / 1024)) +need=$((size * 2)) +[ $size -gt $((4 * 1024)) ] && + echo "RAM should be be capped to 4G for this test." +d1=${diskimage}.1 +d2=${diskimage}.2 +rm -f $d1 $d2 +[ `df -k $(dirname $diskimage) | tail -1 | awk '{print int($4 / 1024)'}` -lt \ + $need ] && printf "Need %d MB on %s.\n" $need `dirname $diskimage` && exit +dd if=/dev/zero of=$d1 bs=1m count=$size 2>&1 | \ + egrep -v "records|transferred" +cp $d1 $d2 || exit +trap "rm -f $d1 $d2" EXIT SIGINT + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/oovm.c +mycc -o oovm -Wall -Wextra -g oovm.c || exit 1 +rm -f oovm.c +cd $odir + +(cd /tmp; /tmp/oovm $d1) & +(cd /tmp; /tmp/oovm $d2) & +wait + +rm -f /tmp/oovm /tmp/oovm.core +exit + +EOF +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +const char *file; + +#define RUNTIME 600 + +void +test(void) +{ + struct stat st; + size_t i, olen, len; + time_t start; + int error, fd, ps; + char *p; + + ps = getpagesize(); + if ((fd = open(file, O_RDWR)) == -1) + err(1, "open(%s)", file); + if ((error = fstat(fd, &st)) == -1) + err(1, "stat(%s)", file); + len = olen = round_page(st.st_size); + do { + if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, + fd, 0)) == MAP_FAILED) { + if (errno == ENOMEM) + len -= ps; + else + err(1, "mmap"); + } + } while (p == MAP_FAILED); + + start = time(NULL); + /* Touch all pages of the file. */ + for (i = 0; i < len; i += ps) + p[i] = 1; + while (time(NULL) - start < RUNTIME) + p[arc4random() % len] = 1; + + if (munmap(p, len) == -1) + err(1, "unmap()"); + close(fd); +} + +int +main(int argc, char *argv[]) +{ + if (argc != 2) + errx(1, "Usage: %s ", argv[0]); + file = argv[1]; + + test(); + + return (0); +} From owner-svn-src-user@freebsd.org Tue Sep 1 13:45:48 2015 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 345049C611F for ; Tue, 1 Sep 2015 13:45:48 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 25C9E1A14; Tue, 1 Sep 2015 13:45:48 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t81Djmvv017272; Tue, 1 Sep 2015 13:45:48 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id t81Djm8x017271; Tue, 1 Sep 2015 13:45:48 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201509011345.t81Djm8x017271@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Tue, 1 Sep 2015 13:45:48 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r287363 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.20 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: Tue, 01 Sep 2015 13:45:48 -0000 Author: pho Date: Tue Sep 1 13:45:47 2015 New Revision: 287363 URL: https://svnweb.freebsd.org/changeset/base/287363 Log: Added note about findings. Sponsored by: EMC / Isilon storage division Modified: user/pho/stress2/misc/nullfs2.sh Modified: user/pho/stress2/misc/nullfs2.sh ============================================================================== --- user/pho/stress2/misc/nullfs2.sh Tue Sep 1 13:21:32 2015 (r287362) +++ user/pho/stress2/misc/nullfs2.sh Tue Sep 1 13:45:47 2015 (r287363) @@ -28,7 +28,11 @@ # $FreeBSD$ # -# Simple nullfs test scenario +# Simple nullfs test scenario. + +# Deadlock seen: +# https://people.freebsd.org/~pho/stress/log/nullfs2-2.txt +# suj34.sh seems to trigger the same problem. [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 From owner-svn-src-user@freebsd.org Tue Sep 1 13:47:13 2015 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1BAC59C6218 for ; Tue, 1 Sep 2015 13:47:13 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0D29D1B67; Tue, 1 Sep 2015 13:47:13 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t81DlC4K017375; Tue, 1 Sep 2015 13:47:12 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id t81DlC61017374; Tue, 1 Sep 2015 13:47:12 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201509011347.t81DlC61017374@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Tue, 1 Sep 2015 13:47:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r287364 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.20 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: Tue, 01 Sep 2015 13:47:13 -0000 Author: pho Date: Tue Sep 1 13:47:12 2015 New Revision: 287364 URL: https://svnweb.freebsd.org/changeset/base/287364 Log: Added note about findings. Sponsored by: EMC / Isilon storage division Modified: user/pho/stress2/misc/suj34.sh Modified: user/pho/stress2/misc/suj34.sh ============================================================================== --- user/pho/stress2/misc/suj34.sh Tue Sep 1 13:45:47 2015 (r287363) +++ user/pho/stress2/misc/suj34.sh Tue Sep 1 13:47:12 2015 (r287364) @@ -28,8 +28,9 @@ # $FreeBSD$ # -# Simple suj / nullfs test scenario +# Simple suj / nullfs test scenario. # http://people.freebsd.org/~pho/stress/log/suj34.txt +# More debug info: https://people.freebsd.org/~pho/stress/log/kostik831.txt [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 From owner-svn-src-user@freebsd.org Tue Sep 1 20:49:39 2015 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 77ACE9C8E51 for ; Tue, 1 Sep 2015 20:49:39 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4FCFDEBD; Tue, 1 Sep 2015 20:49:39 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id t81Kndgu095668; Tue, 1 Sep 2015 20:49:39 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id t81Kndq8095667; Tue, 1 Sep 2015 20:49:39 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201509012049.t81Kndq8095667@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Tue, 1 Sep 2015 20:49:39 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r287377 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.20 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: Tue, 01 Sep 2015 20:49:39 -0000 Author: pho Date: Tue Sep 1 20:49:38 2015 New Revision: 287377 URL: https://svnweb.freebsd.org/changeset/base/287377 Log: Regression test added. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/trim6.sh (contents, props changed) Added: user/pho/stress2/misc/trim6.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/trim6.sh Tue Sep 1 20:49:38 2015 (r287377) @@ -0,0 +1,56 @@ +#!/bin/sh + +# +# Copyright (c) 2015 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 for exhausting limited malloc KVA on 32bit machine, by +# extending a file on a UFS SU volume. + +# Create a large file on a file system with trim enabled. +# Watchdog timeout seen: +# https://people.freebsd.org/~pho/stress/log/trim6.txt +# Fixed by r287361. + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +r=`mount | grep -w soft-updates | awk '{print $1}' | while read dev; do + dumpfs $dev | head -20 | grep -qw trim || continue + df -k $dev +done | sort -rn +3 | head -1 | awk '{print $4, $6}'` +[ -z "$r" ] && exit # No trim enabled file systems found +set $r +free=$(($1 / 1024 / 10 * 9)) # in Mb +max=$((128 * 1024)) # Max is 128 GB +[ $free -gt $max ] && free=$max +mp=$2 +image=`echo $mp/diskimage | sed s#//#/#` # fix "//" for case mp = "/" +trap "rm -f $image" EXIT SIGINT + +echo "dd if=/dev/zero of=$image bs=1m count=$free" +dd if=/dev/zero of=$image bs=1m count=$free 2>&1 | + egrep -v 'records|transferred'