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diff --git a/website/content/en/releases/8.3R/relnotes-detailed.html b/website/content/en/releases/8.3R/relnotes-detailed.html new file mode 100644 index 0000000000..8913ab26d9 --- /dev/null +++ b/website/content/en/releases/8.3R/relnotes-detailed.html @@ -0,0 +1,1093 @@ +<?xml version="1.0" encoding="iso-8859-1"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<meta name="generator" content="HTML Tidy, see www.w3.org" /> +<title>FreeBSD 8.3-RELEASE Release Notes</title> +<meta name="GENERATOR" content="Modular DocBook HTML Stylesheet Version 1.79" /> +<link rel="STYLESHEET" type="text/css" href="docbook.css" /> +<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> +</head> +<body class="ARTICLE" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#840084" +alink="#0000FF"> +<div class="ARTICLE"> +<div class="TITLEPAGE"> +<h1 class="TITLE"><a id="AEN2" name="AEN2">FreeBSD 8.3-RELEASE Release Notes</a></h1> + +<h3 class="CORPAUTHOR">The FreeBSD Project</h3> + +<p class="COPYRIGHT">Copyright © 2012 The FreeBSD Documentation Project</p> + +<p class="PUBDATE">$FreeBSD: releng/8.3/release/doc/en_US.ISO8859-1/relnotes/article.sgml +234052 2012-04-09 04:44:39Z hrs $<br /> +</p> + +<div class="LEGALNOTICE"><a id="TRADEMARKS" name="TRADEMARKS"></a> +<p>FreeBSD is a registered trademark of the FreeBSD Foundation.</p> + +<p>IBM, AIX, EtherJet, Netfinity, OS/2, PowerPC, PS/2, S/390, and ThinkPad are trademarks +of International Business Machines Corporation in the United States, other countries, or +both.</p> + +<p>IEEE, POSIX, and 802 are registered trademarks of Institute of Electrical and +Electronics Engineers, Inc. in the United States.</p> + +<p>Intel, Celeron, EtherExpress, i386, i486, Itanium, Pentium, and Xeon are trademarks or +registered trademarks of Intel Corporation or its subsidiaries in the United States and +other countries.</p> + +<p>SPARC, SPARC64, SPARCengine, and UltraSPARC are trademarks of SPARC International, Inc +in the United States and other countries. SPARC International, Inc owns all of the SPARC +trademarks and under licensing agreements allows the proper use of these trademarks by +its members.</p> + +<p>Many of the designations used by manufacturers and sellers to distinguish their +products are claimed as trademarks. Where those designations appear in this document, and +the FreeBSD Project was aware of the trademark claim, the designations have been followed +by the “™” or the “®” symbol.</p> +</div> + +<div> +<div class="ABSTRACT"><a id="AEN18" name="AEN18"></a> +<p>The release notes for FreeBSD 8.3-RELEASE contain a summary of the changes made to the +FreeBSD base system on the 8.3-STABLE development line. This document lists applicable +security advisories that were issued since the last release, as well as significant +changes to the FreeBSD kernel and userland. Some brief remarks on upgrading are also +presented.</p> +</div> +</div> + +<hr /> +</div> + +<div class="TOC"> +<dl> +<dt><b>Table of Contents</b></dt> + +<dt>1 <a href="#INTRO">Introduction</a></dt> + +<dt>2 <a href="#NEW">What's New</a></dt> + +<dd> +<dl> +<dt>2.1 <a href="#SECURITY">Security Advisories</a></dt> + +<dt>2.2 <a href="#KERNEL">Kernel Changes</a></dt> + +<dd> +<dl> +<dt>2.2.1 <a href="#PROC">Hardware Support</a></dt> + +<dt>2.2.2 <a href="#NET-PROTO">Network Protocols</a></dt> + +<dt>2.2.3 <a href="#DISKS">Disks and Storage</a></dt> + +<dt>2.2.4 <a href="#FS">File Systems</a></dt> +</dl> +</dd> + +<dt>2.3 <a href="#USERLAND">Userland Changes</a></dt> + +<dt>2.4 <a href="#CONTRIB">Contributed Software</a></dt> + +<dt>2.5 <a href="#PORTS">Ports/Packages Collection Infrastructure</a></dt> +</dl> +</dd> + +<dt>3 <a href="#UPGRADE">Upgrading from previous releases of FreeBSD</a></dt> +</dl> +</div> + +<div class="SECT1"> +<h2 class="SECT1"><a id="INTRO" name="INTRO">1 Introduction</a></h2> + +<p>This document contains the release notes for FreeBSD 8.3-RELEASE.	It describes +recently added, changed, or deleted features of FreeBSD. It also provides some notes on +upgrading from previous versions of FreeBSD.</p> + +<p>This distribution of FreeBSD 8.3-RELEASE is a release distribution. It can be found at +<a href="ftp://ftp.FreeBSD.org/" target="_top">ftp://ftp.FreeBSD.org/</a> or any of its +mirrors.	 More information on obtaining this (or other) release distributions of +FreeBSD can be found in the <a +href="../../../../doc/en_US.ISO8859-1/books/handbook/mirrors.html" +target="_top">“Obtaining FreeBSD” appendix</a> to the <a +href="../../../../doc/en_US.ISO8859-1/books/handbook/" target="_top">FreeBSD +Handbook</a>.</p> + +<p>All users are encouraged to consult the release errata before installing FreeBSD. The +errata document is updated with “late-breaking” information discovered late +in the release cycle or after the release.	 Typically, it contains information on +known bugs, security advisories, and corrections to documentation. An up-to-date copy of +the errata for FreeBSD 8.3-RELEASE can be found on the FreeBSD Web site.</p> +</div> + +<div class="SECT1"> +<hr /> +<h2 class="SECT1"><a id="NEW" name="NEW">2 What's New</a></h2> + +<p>This section describes the most user-visible new or changed features in FreeBSD since +8.2-RELEASE.</p> + +<p>Typical release note items document recent security advisories issued after +8.2-RELEASE, new drivers or hardware support, new commands or options, major bug fixes, +or contributed software upgrades. They may also list changes to major ports/packages or +release engineering practices. Clearly the release notes cannot list every single change +made to FreeBSD between releases; this document focuses primarily on security advisories, +user-visible changes, and major architectural improvements.</p> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="SECURITY" name="SECURITY">2.1 Security Advisories</a></h3> + +<p>Problems described in the following security advisories have 	been fixed. For more +information, consult the individual 	advisories available from 	<a +href="http://security.FreeBSD.org/" target="_top">http://security.FreeBSD.org/</a>.</p> + +<div class="INFORMALTABLE"><a id="AEN38" name="AEN38"></a> +<table border="0" frame="void" width="100%" class="CALSTABLE"> +<col width="20%" /> +<col width="20%" /> +<col width="60%" /> +<thead> +<tr> +<th>Advisory</th> +<th>Date</th> +<th>Topic</th> +</tr> +</thead> + +<tbody> +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:01.mountd.asc" +target="_top">SA-11:01.mountd</a></td> +<td>20 April 2011</td> +<td> +<p>Network ACL mishandling in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mountd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mountd</span>(8)</span></a></p> +</td> +</tr> + +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:02.bind.asc" +target="_top">SA-11:02.bind</a></td> +<td>28 May 2011</td> +<td> +<p>BIND remote DoS with large RRSIG RRsets and negative 		 caching</p> +</td> +</tr> + +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:04.compress.asc" +target="_top">SA-11:04.compress</a></td> +<td>28 September 2011</td> +<td> +<p>Errors handling corrupt compress file in 		 <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=compress&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">compress</span>(1)</span></a> and +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gzip&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gzip</span>(1)</span></a></p> +</td> +</tr> + +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:05.unix.asc" +target="_top">SA-11:05.unix</a></td> +<td>28 September 2011</td> +<td> +<p>Buffer overflow in handling of UNIX socket 		 addresses</p> +</td> +</tr> + +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:06.bind.asc" +target="_top">SA-11:06.bind</a></td> +<td>23 December 2011</td> +<td> +<p>Remote packet Denial of Service against <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=named&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">named</span>(8)</span></a> +		 servers</p> +</td> +</tr> + +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:07.chroot.asc" +target="_top">SA-11:07.chroot</a></td> +<td>23 December 2011</td> +<td> +<p>Code execution via chrooted ftpd</p> +</td> +</tr> + +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc" +target="_top">SA-11:08.telnetd</a></td> +<td>23 December 2011</td> +<td> +<p>telnetd code execution vulnerability</p> +</td> +</tr> + +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:09.pam_ssh.asc" +target="_top">SA-11:09.pam_ssh</a></td> +<td>23 December 2011</td> +<td> +<p>pam_ssh improperly grants access when user account has 		 unencrypted SSH +private keys</p> +</td> +</tr> + +<tr> +<td><a href="http://security.freebsd.org/advisories/FreeBSD-SA-11:10.pam.asc" +target="_top">SA-11:10.pam</a></td> +<td>23 December 2011</td> +<td> +<p><code class="FUNCTION">pam_start()</code> does not validate 		 service +names</p> +</td> +</tr> +</tbody> +</table> +</div> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="KERNEL" name="KERNEL">2.2 Kernel Changes</a></h3> + +<p>[amd64, i386] The FreeBSD 	<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=dtrace&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">dtrace</span>(1)</span></a> +framework now supports 	<tt class="LITERAL">systrace</tt> for system calls of +	<tt class="LITERAL">linux32</tt> and <tt class="LITERAL">freebsd32</tt> on +	FreeBSD/amd64. Two new 	<tt class="FILENAME">systrace_linux32</tt> and 	<tt +class="FILENAME">systrace_freebsd32</tt> kernel modules provide 	support for tracing +compat system calls in addition to the native 	system call tracing provided by the +	<tt class="FILENAME">systrace</tt> module.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219107" +target="_top">r219107</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hhook&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hhook</span>(9)</span></a> (Helper +Hook) 	and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=khelp&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">khelp</span>(9)</span></a> (Kernel +Helpers) KPIs have been implemented. 	These are a kind of superset of <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pfil&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pfil</span>(9)</span></a> +framework for 	more general use in the kernel. The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hhook&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hhook</span>(9)</span></a> KPI +	provides a way for kernel subsystems to export hook points 	that <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=khelp&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">khelp</span>(9)</span></a> modules +can hook to provide enhanced or new 	functionality to the kernel. The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=khelp&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">khelp</span>(9)</span></a> KPI +provides a 	framework for managing <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=khelp&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">khelp</span>(9)</span></a> +modules, which indirectly 	use the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hhook&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hhook</span>(9)</span></a> KPI to +register their hook functions 	with hook points of interest within the kernel. These +allow a 	structured way to dynamically extend the kernel at runtime in 	an ABI +preserving manner.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222406" +target="_top">r222406</a>]</p> + +<p>[amd64, i386, pc98] A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=loader&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">loader</span>(8)</span></a> +	tunable <code class="VARNAME">hw.memtest.tests</code> has been added. 	This +controls whether to perform memory testing at boot time 	or not. The default value is +<tt class="LITERAL">1</tt> (perform a 	memory test).[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=230282" +target="_top">r230282</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=open&sektion=2&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">open</span>(2)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=fhopen&sektion=2&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">fhopen</span>(2)</span></a> +	system calls now support the <tt class="LITERAL">O_CLOEXEC</tt> flag, 	which +allows setting the <tt class="LITERAL">FD_CLOEXEC</tt> flag for the 	newly created +file descriptor. This is standardized in IEEE 	Std 1003.1-2008 (POSIX, Single UNIX +Specification Version 	4).[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220241" +target="_top">r220241</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=posix_fallocate&sektion=2&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">posix_fallocate</span>(2)</span></a> system call has 	been +implemented. This is a function in POSIX to ensure that 	a part of the storage for +regular file data is allocated on the 	file system storage media.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=227573" +target="_top">r227573</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=posix_fadvise&sektion=2&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">posix_fadvise</span>(2)</span></a> +system call 	has been implemented. This is a function in POSIX similar to 	<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=madvise&sektion=2&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">madvise</span>(2)</span></a> +except that it operates on a file descriptor 	instead of a memory region.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=229725" +target="_top">r229725</a>]</p> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="PROC" name="PROC">2.2.1 Hardware Support</a></h4> + +<p>The FreeBSD <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=usb&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">usb</span>(4)</span></a> subsystem +now 	 supports USB packet filter. This allows to capture packets 	 which go +through each USB host controller. The 	 implementation is almost based on <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=bpf&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">bpf</span>(4)</span></a> code. +	 The userland program <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=usbdump&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">usbdump</span>(8)</span></a> has +been added.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=221174" +target="_top">r221174</a>]</p> + +<div class="SECT4"> +<hr /> +<h5 class="SECT4"><a id="NET-IF" name="NET-IF">2.2.1.1 Network Interface Support</a></h5> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cxgb&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cxgb</span>(4)</span></a> driver +has been 	 updated to version 7.11.0.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220340" +target="_top">r220340</a>]</p> + +<p>A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cxgbe&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cxgbe</span>(4)</span></a> driver +for Chelsio 	 T4 (Terminator 4) based 10Gb/1Gb adapters has been 	 added.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219633" +target="_top">r219633</a>]</p> + +<p>[i386] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=dc&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">dc</span>(4)</span></a> driver 	 +now works correctly in kernels with the 	 <code class="OPTION">PAE</code> option.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220072" +target="_top">r220072</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=em&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">em</span>(4)</span></a> driver has been +	 updated to version 7.3.2.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=230848" +target="_top">r230848</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=igb&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">igb</span>(4)</span></a> driver +has been 	 updated to version 2.3.1.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=230848" +target="_top">r230848</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=igb&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">igb</span>(4)</span></a> driver +now supports 	 Intel I350 PCIe Gigabit Ethernet controllers.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=230848" +target="_top">r230848</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ixgbe&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ixgbe</span>(4)</span></a> driver +has been 	 updated to version 2.4.5.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=230924" +target="_top">r230924</a>]</p> + +<p>Firmware images in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=iwn&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">iwn</span>(4)</span></a> 	 +driver for 1000, 5000, 6000, and 6500 series cards have been 	 updated.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=223255" +target="_top">r223255</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=msk&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">msk</span>(4)</span></a> driver +now supports 	 RX checksum offloading for Yukon EC, Yukon Ultra, Yukon FE 	 and +Yukon Ultra2. The checksum offloading for Yukon XL 	 was still disabled due to known +silicon bug.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=223394" +target="_top">r223394</a>]</p> + +<p>A bug in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=nfe&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">nfe</span>(4)</span></a> driver +which 	 could prevent reinitialization after changing the MTU has 	 been +fixed.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218872" +target="_top">r218872</a>]</p> + +<p>A rdcphy(4) driver for RDC Semiconductor 	 R6040 10/100 PHY has been added.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218294" +target="_top">r218294</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=re&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">re</span>(4)</span></a> driver now +supports 	 RTL8168E/8111E-VL PCIe Gigabit Ethernet controllers and 	 RTL8401E +PCIe Fast Ethernet controllers.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218901" +target="_top">r218901</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219116" +target="_top">r219116</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=re&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">re</span>(4)</span></a> driver now +supports 	 TX interrupt moderation on RTL810xE PCIe Fast Ethernet 	 +controllers.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218905" +target="_top">r218905</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=re&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">re</span>(4)</span></a> driver now +supports 	 another mechanism for RX interrupt moderation because of 	 performance +problems. A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysctl</span>(8)</span></a> +variable 	 <code class="VARNAME">dev.re.<tt +class="REPLACEABLE"><i>N</i></tt>.int_rx_mod</code> 	 has been added to control +amount of time to delay RX 	 interrupt processing, in units of microsecond. Setting +it 	 to <tt class="LITERAL">0</tt> completely disables RX interrupt 	 moderation. +A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=loader&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">loader</span>(8)</span></a> +tunable 	 <code class="VARNAME">hw.re.intr_filter</code> controls whether the 	 +old mechanism utilizing MSI/MSI-X capability on 	 supported controllers is used or +not. When set to 	 a non-zero value, the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=re&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">re</span>(4)</span></a> driver uses the +old 	 mechanism. The default value is <tt class="LITERAL">0</tt> and 	 this +tunable has no effect on controllers without MSI/MSI-X 	 capability.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219110" +target="_top">r219110</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=re&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">re</span>(4)</span></a> driver now +	 supports TSO (TCP Segmentation Offload) on RealTek 	 RTL8168/8111 C or later +controllers. Note that this is 	 disabled by default because broken frames can be +sent 	 under certain conditions.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218897" +target="_top">r218897</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=re&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">re</span>(4)</span></a> driver now +	 supports enabling TX and/or RX checksum offloading 	 independently from each +other. Note that TX IP checksum 	 is disabled on some RTL8168C-based network +interfaces 	 because it can generate an incorrect IP checksum when the 	 packet +contains IP options.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218899" +target="_top">r218899</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219114" +target="_top">r219114</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=re&sektion=4&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">re</span>(4)</span></a> driver now +supports 	 RTL8105E PCIe Fast Ethernet controllers.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=229530" +target="_top">r229530</a>]</p> + +<p>A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=vte&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">vte</span>(4)</span></a> driver +for RDC R6040 Fast 	 Ethernet controllers, which are commonly found on the Vortex86 +	 System On a Chip, has been added.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218296" +target="_top">r218296</a>]</p> +</div> +</div> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="NET-PROTO" name="NET-PROTO">2.2.2 Network Protocols</a></h4> + +<p><a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ipfw&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ipfw</span>(8)</span></a> now +supports the 	 <tt class="COMMAND">call</tt> and <tt class="COMMAND">return</tt> +	 actions. Upon the <tt class="COMMAND">call 	 <tt +class="REPLACEABLE"><i>number</i></tt></tt> action, the 	 current rule number is +saved in the internal stack and 	 ruleset processing continues with the first rule +numbered 	 <tt class="REPLACEABLE"><i>number</i></tt> or higher. The 	 <tt +class="COMMAND">return</tt> action takes the rule number saved 	 to internal stack by +the latest <tt class="COMMAND">call</tt> 	 action and returns ruleset processing to +the first rule with 	 number greater than that saved number.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=230575" +target="_top">r230575</a>]</p> + +<p>FreeBSD's <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ipsec&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ipsec</span>(4)</span></a> support +now uses 	 half of the hash size as the authenticator hash size in 	 Hashed +Message Authentication Mode (HMAC-SHA-256, 	 HMAC-SHA-384, and HMAC-SHA-512) as +described in RFC 4868. 	 This was a fixed 96-bit length in prior releases because the +	 implementation was based on an old Internet draft 	 +draft-ietf-ipsec-ciph-sha-256-00. Note that this means 	 8.3-RELEASE and later are no +longer interoperable with 	 the older FreeBSD releases.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=221157" +target="_top">r221157</a>]</p> + +<p>A bug in the 	 <tt class="LITERAL">IPV6_PKTINFO</tt> option used in 	 <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sendmsg&sektion=2&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sendmsg</span>(2)</span></a> has +been fixed. The 	 <tt class="LITERAL">IPV6_USE_MIN_MTU</tt> state set by 	 <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=setsockopt&sektion=2&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">setsockopt</span>(2)</span></a> +was ignored.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=232560" +target="_top">r232560</a>]</p> + +<p>The 	 FreeBSD TCP/IP network stack now supports the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mod_cc&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mod_cc</span>(9)</span></a> +pluggable 	 congestion control framework. This allows TCP congestion 	 control +algorithms to be implemented as dynamically loadable 	 kernel modules. The following +kernel modules are available 	 as of 8.3-RELEASE: <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cc_chd&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cc_chd</span>(4)</span></a> for +the 	 CAIA-Hamilton-Delay algorithm, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cc_cubic&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cc_cubic</span>(4)</span></a> for +the CUBIC 	 algorithm, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cc_hd&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cc_hd</span>(4)</span></a> for the +Hamilton-Delay algorithm, 	 <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cc_htcp&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cc_htcp</span>(4)</span></a> for +the H-TCP algorithm, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cc_newreno&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cc_newreno</span>(4)</span></a> +for 	 the NewReno algorithm, and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cc_vegas&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cc_vegas</span>(4)</span></a> for +the Vegas algorithm. 	 The default algorithm can be set by a new <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysctl</span>(8)</span></a> 	 +variable <code class="VARNAME">net.inet.tcp.cc.algorithm</code>. The 	 value must be +set to one of the names listed by 	 <code +class="VARNAME">net.inet.tcp.cc.available</code>, and 	 <tt +class="LITERAL">newreno</tt> is the default set at boot time. 	 For more 	 +detail, see the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mod_cc&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mod_cc</span>(4)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mod_cc&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mod_cc</span>(9)</span></a> manual +pages.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222401" +target="_top">r222401</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222402" +target="_top">r222402</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222403" +target="_top">r222403</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222404" +target="_top">r222404</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222406" +target="_top">r222406</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222407" +target="_top">r222407</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222408" +target="_top">r222408</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222409" +target="_top">r222409</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222411" +target="_top">r222411</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222412" +target="_top">r222412</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222413" +target="_top">r222413</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222419" +target="_top">r222419</a>, <a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=225738" +target="_top">r225738</a>]</p> + +<p>An <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=h_ertt&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">h_ertt</span>(4)</span></a> +(Enhanced Round Trip 	 Time) <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=khelp&sektion=9&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">khelp</span>(9)</span></a> module +has been added. This module 	 allows per-connection, low noise estimates of the 	 +instantaneous RTT in the TCP/IP network stack with a robust 	 implementation even in +the face of delayed acknowledgments 	 and/or TSO (TCP Segmentation Offload) being in +use for a 	 connection.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222410" +target="_top">r222410</a>]</p> + +<p>A new <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tcp&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tcp</span>(4)</span></a> socket +option 	 <tt class="LITERAL">TCP_CONGESTION</tt> has been added. This 	 allows to +select or query the congestion control algorithm 	 that the TCP/IP network stack will +use for connections on 	 the socket.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222401" +target="_top">r222401</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ng_ipfw&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ng_ipfw</span>(4)</span></a> <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=netgraph&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">netgraph</span>(4)</span></a> +	 node now supports IPv6.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=225876" +target="_top">r225876</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ng_one2many&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ng_one2many</span>(4)</span></a> +	 <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=netgraph&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">netgraph</span>(4)</span></a> node +now supports the 	 <tt class="LITERAL">XMIT_FAILOVER</tt> transmit algorithm. This +	 makes packets deliver out of the first active 	 <tt class="LITERAL">many</tt> +hook.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219660" +target="_top">r219660</a>]</p> +</div> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="DISKS" name="DISKS">2.2.3 Disks and Storage</a></h4> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ada&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ada</span>(4)</span></a> driver +now supports 	 write cache control. A new <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysctl</span>(8)</span></a> +variable 	 <code class="VARNAME">kern.cam.ada.write_cache</code> determines 	 +whether the write cache of <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ada&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ada</span>(4)</span></a> devices +is enabled or 	 not. Setting to <tt class="LITERAL">1</tt> enables and 	 <tt +class="LITERAL">0</tt> disables the write cache, and <tt class="LITERAL">-1</tt> 	 +leaves the device default behavior. <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysctl</span>(8)</span></a> +variables 	 <code class="VARNAME">kern.cam.ada.<tt +class="REPLACEABLE"><i>N</i></tt>.write_cache</code> 	 can override the configuration +in a per-device basis (the 	 default value is <tt class="LITERAL">-1</tt>, which +means to use 	 the global setting). Note that the value can be changed at 	 +runtime, but it takes effect only after a device 	 reset.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220841" +target="_top">r220841</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=arcmsr&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">arcmsr</span>(4)</span></a> driver +has been 	 updated to version 1.20.00.22.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=224991" +target="_top">r224991</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=graid&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">graid</span>(8)</span></a> GEOM +class has been 	 added. This is a replacement of the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ataraid&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ataraid</span>(4)</span></a> +driver 	 supporting various BIOS-based software RAID.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=223177" +target="_top">r223177</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mxge&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mxge</span>(4)</span></a> driver +has been 	 updated.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=224235" +target="_top">r224235</a>]</p> + +<p>A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tws&sektion=4&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tws</span>(4)</span></a> driver +for 3ware 9750 	 SATA+SAS 6Gb/s RAID controllers has been added.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=226243" +target="_top">r226243</a>]</p> +</div> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="FS" name="FS">2.2.4 File Systems</a></h4> + +<p>The FreeBSD Fast File System now 	 supports the <tt class="LITERAL">TRIM</tt> +command when freeing data 	 blocks. A new flag <code class="OPTION">-t</code> in the +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=newfs&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">newfs</span>(8)</span></a> 	 +and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tunefs&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tunefs</span>(8)</span></a> +utilities sets the TRIM-enable flag for a 	 file system. The TRIM-enable flag makes +the file system 	 send a delete request to the underlying device for each 	 freed +block. The <tt class="LITERAL">TRIM</tt> command is 	 specified as a Data Set +Management Command in the ATA8-ACS2 	 standard to carry the information related to +deleted data 	 blocks to a device, especially for a SSD (Solid-State Drive) for 	 +optimization.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218079" +target="_top">r218079</a>]</p> + +<p>A new flag <code class="OPTION">-E</code> has 	 been added to the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=newfs&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">newfs</span>(8)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=fsck_ffs&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">fsck_ffs</span>(8)</span></a> +utilities. 	 This clears unallocated blocks, notifying the underlying 	 device +that they are not used and that their contents may be 	 discarded. This is useful in +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=fsck_ffs&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">fsck_ffs</span>(8)</span></a> for +file 	 systems which have been mounted on systems without 	 <tt +class="LITERAL">TRIM</tt> support, or with 	 <tt class="LITERAL">TRIM</tt> support +disabled, as well as 	 filesystems which have been copied from one device to 	 +another.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=225296" +target="_top">r225296</a>]</p> + +<p>The FreeBSD NFS subsystem now supports a 	 <code class="OPTION">nocto</code> mount +option. This disables the 	 close-to-open cache coherency check at open time. This +	 option may improve performance for read-only mounts, but 	 should only be used +only if the data on the server changes 	 rarely. The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mount_nfs&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mount_nfs</span>(8)</span></a> +utility now also supports 	 this flag keyword.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=221759" +target="_top">r221759</a>]</p> + +<p>A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=loader&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">loader</span>(8)</span></a> +tunable 	 <code class="VARNAME">vfs.typenumhash</code> has been added. Setting 	 +this to <tt class="LITERAL">1</tt> enables to use a hash 	 calculation on the file +system identification number 	 internally used in the kernel. This fixes the +“Stale 	 NFS file handle” error on NFS clients when upgrading 	 or +rebuilding the kernel on the NFS server due to unexpected 	 change of these +identification number values. Note that 	 this is set to <tt class="LITERAL">0</tt> +(disable) by default for 	 backward compatibility.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=226926" +target="_top">r226926</a>]</p> + +<p>The FreeBSD ZFS subsystem has been 	 updated to the SPA (Storage Pool Allocator, +also known as 	 zpool) version 28. It now supports data deduplication, 	 triple +parity RAIDZ (raidz3), snapshot holds, log device 	 removal, zfs diff, zpool split, +zpool import 	 <code class="OPTION">-F</code>, and read-only zpool import.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=222741" +target="_top">r222741</a>]</p> +</div> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="USERLAND" name="USERLAND">2.3 Userland Changes</a></h3> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=bsdtar&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">bsdtar</span>(1)</span></a> and +	<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cpio&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cpio</span>(1)</span></a> +utilities are now based on 	<b class="APPLICATION">libarchive</b> version 2.8.5.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=229589" +target="_top">r229589</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cpuset&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cpuset</span>(1)</span></a> +utility now supports 	a <code class="OPTION">-C</code> flag to create a new cpuset +and assign 	an existing process into that set, and an 	<tt +class="LITERAL">all</tt> keyword in the <code class="OPTION">-l 	<tt +class="REPLACEABLE"><i>cpu-list</i></tt></code> option to specify 	all CPUs in the +system.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218033" +target="_top">r218033</a>]</p> + +<p>A bug in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=fetch&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">fetch</span>(1)</span></a> utility +which 	could prevent the <tt class="COMMAND">STAT</tt> FTP command from working +	properly has been fixed.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=221764" +target="_top">r221764</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gpart&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gpart</span>(8)</span></a> utility +now supports a 	<code class="OPTION">-p</code> flag to the <tt +class="COMMAND">show</tt> 	subcommand. This allows showing providers' names of +	partitions instead of the partitions' indexes.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219861" +target="_top">r219861</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hastd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hastd</span>(8)</span></a> utility +now drops 	<tt class="LITERAL">root</tt> privileges of the worker processes to the +	<tt class="LITERAL">hast</tt> user.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220104" +target="_top">r220104</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hastd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hastd</span>(8)</span></a> utility +now supports a 	<tt class="LITERAL">checksum</tt> keyword to specify the checksum +	algorithm in a <tt class="LITERAL">resource</tt> section. As of 	8.3-RELEASE, +<tt class="LITERAL">none</tt>, 	<tt class="LITERAL">sha256</tt>, and <tt +class="LITERAL">crc32</tt> are 	supported.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220104" +target="_top">r220104</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hastd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hastd</span>(8)</span></a> utility +now supports a 	<tt class="LITERAL">compression</tt> keyword to specify the +compression 	algorithm in a <tt class="LITERAL">resource</tt> section. As of +	8.3-RELEASE, <tt class="LITERAL">none</tt>, 	<tt class="LITERAL">hole</tt> and +<tt class="LITERAL">lzf</tt> are 	supported.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220104" +target="_top">r220104</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hastd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hastd</span>(8)</span></a> utility +now supports a 	<tt class="LITERAL">source</tt> keyword to specify the local address +	to bind to before connecting the remote <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hastd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">hastd</span>(8)</span></a>	daemon.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220104" +target="_top">r220104</a>]</p> + +<p>A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=readline&sektion=3&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">readline</span>(3)</span></a> API +set has been 	imported into <b class="APPLICATION">libedit</b>. This is 	based on +NetBSD's implementation and BSD licensed utilities 	now use it instead of GNU 	<b +class="APPLICATION">libreadline</b>.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=220612" +target="_top">r220612</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=makefs&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">makefs</span>(8)</span></a> +utility now supports the 	ISO 9660 format.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=224447" +target="_top">r224447</a>]</p> + +<p><b class="APPLICATION">libmd</b> 	and <b class="APPLICATION">libcrypt</b> now +support the SHA-256 	and SHA-512 algorithms.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=231588" +target="_top">r231588</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=netstat&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">netstat</span>(1)</span></a> +utility now does not 	expose the internal scope address representation used in the +FreeBSD 	kernel, which is derived from KAME IPv6 stack, in the results 	of <tt +class="COMMAND">netstat -ani</tt> and <tt class="COMMAND">netstat 	 -nr</tt>.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219062" +target="_top">r219062</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=newsyslog&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">newsyslog</span>(8)</span></a> +utility now 	supports <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=xz&sektion=1&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">xz</span>(1)</span></a> compression. An +<tt class="LITERAL">X</tt> flag 	in the optional field has been added to specify the +	compression.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=218911" +target="_top">r218911</a>]</p> + +<p>A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=poweroff&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">poweroff</span>(8)</span></a> +utility has been added. 	This is equivalent to:[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=224259" +target="_top">r224259</a>]</p> + +<pre class="SCREEN"> +<samp class="PROMPT">#</samp> shutdown -p now +</pre> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ppp&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ppp</span>(8)</span></a> utility +now supports 	<tt class="COMMAND">iface name <tt +class="REPLACEABLE"><i>name</i></tt></tt> 	and <tt class="COMMAND">iface description +	<tt class="REPLACEABLE"><i>description</i></tt></tt> commands. 	These have the +same functionalities as the <tt class="LITERAL">name</tt> 	and <tt +class="LITERAL">description</tt> subcommands of the 	<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ifconfig&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ifconfig</span>(8)</span></a> +utility.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=224285" +target="_top">r224285</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ps&sektion=1&manpath=FreeBSD+8.3-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">ps</span>(1)</span></a> utility now +supports 	<code class="OPTION">-o usertime</code> and <code class="OPTION">-o +systime</code> 	options to display accumulated system and user CPU time, +	respectively.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219943" +target="_top">r219943</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rtadvd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rtadvd</span>(8)</span></a> daemon +now supports a 	<tt class="LITERAL">noifprefix</tt> keyword to disable gathering +	on-link prefixes from interfaces when no 	<tt class="LITERAL">addr</tt> keyword +is specified. An entry in 	<tt class="FILENAME">/etc/rtadvd.conf</tt> with 	<tt +class="LITERAL">noifprefix</tt> and no <tt class="LITERAL">addr</tt> 	generates an RA +message with no prefix information 	option.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=231802" +target="_top">r231802</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rtadvd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rtadvd</span>(8)</span></a> daemon +now 	supports the RDNSS and DNSSL options described in RFC 6106, 	“IPv6 +Router Advertisement Options for DNS 	Configuration”. A <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rtadvctl&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rtadvctl</span>(8)</span></a> +utility to control 	the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rtadvd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rtadvd</span>(8)</span></a> daemon +has been added.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=231802" +target="_top">r231802</a>]</p> + +<p>A bug in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tftpd&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tftpd</span>(8)</span></a> daemon +has 	been fixed. It had an interoperability issue when 	transferring a large +file.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=227083" +target="_top">r227083</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=zpool&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">zpool</span>(8)</span></a>: +utility now supports a 	<tt class="COMMAND">zpool labelclear</tt> command. This +allows to 	wipe the label data from a drive that is not active in a 	pool.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=229570" +target="_top">r229570</a>]</p> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="CONTRIB" name="CONTRIB">2.4 Contributed Software</a></h3> + +<p>The <b class="APPLICATION">awk</b> has 	been updated to the 7 August 2011 +release.</p> + +<p><b class="APPLICATION">ISC BIND</b> has 	been updated to version +9.6-ESV-R5-P1.</p> + +<p>The <tt class="LITERAL">netcat</tt> utility 	has been updated to version 4.9.</p> + +<p><b class="APPLICATION">GNU GCC</b> and 	<b class="APPLICATION">libstdc++</b> have +been updated to rev 	127959 of <tt class="LITERAL">gcc-4_2-branch</tt> (the last +	GPLv2-licensed version).[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=221274" +target="_top">r221274</a>]</p> + +<p>The <b class="APPLICATION">LESS</b> 	program has been updated to version v444.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=223454" +target="_top">r223454</a>]</p> + +<p>The 	<b class="APPLICATION">OpenSSH</b> utility has been updated to 	5.4p1, +and optimization for large bandwidth-delay product 	connection and <tt +class="LITERAL">none</tt> cipher support have 	been merged[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=228152" +target="_top">r228152</a>]</p> + +<p><b class="APPLICATION">sendmail</b> 	has been updated to version 8.14.5.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=223315" +target="_top">r223315</a>]</p> + +<p>The <b class="APPLICATION">timezone</b> 	database has been updated to the 	<b +class="APPLICATION">tzdata2011n</b> release.[<a +href="http://svn.freebsd.org/viewvc/base?view=revision&revision=226977" +target="_top">r226977</a>]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=unifdef&sektion=1&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">unifdef</span>(1)</span></a> +utility has been updated 	to version 2.5.6.</p> + +<p>The <b class="APPLICATION">xz</b> 	program has been updated from 5.0.0 to +5.0.1.[<a href="http://svn.freebsd.org/viewvc/base?view=revision&revision=219219" +target="_top">r219219</a>]</p> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="PORTS" name="PORTS">2.5 Ports/Packages Collection +Infrastructure</a></h3> + +<p>The supported version of 	the <b class="APPLICATION">KDE</b> desktop environment +	(<a href="http://www.FreeBSD.org/cgi/url.cgi?ports/x11/kde4/pkg-descr"><tt +class="FILENAME">x11/kde4</tt></a>) has been 	updated from 4.5.5 to 4.7.4.</p> +</div> +</div> + +<div class="SECT1"> +<hr /> +<h2 class="SECT1"><a id="UPGRADE" name="UPGRADE">3 Upgrading from previous releases of +FreeBSD</a></h2> + +<p>[amd64, i386] Upgrades between RELEASE versions (and snapshots of the various security +branches) are supported using the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">freebsd-update</span>(8)</span></a> utility. The binary upgrade +procedure will update unmodified userland utilities, as well as unmodified GENERIC kernel +distributed as a part of an official FreeBSD release. The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">freebsd-update</span>(8)</span></a> utility requires that the host +being upgraded has Internet connectivity.</p> + +<p>An older form of binary upgrade is supported through the <tt +class="COMMAND">Upgrade</tt> option from the main <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysinstall&sektion=8&manpath=FreeBSD+8.3-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysinstall</span>(8)</span></a> +menu on CDROM distribution media. This type of binary upgrade may be useful on non-i386, +non-amd64 machines or on systems with no Internet connectivity.</p> + +<p>Source-based upgrades (those based on recompiling the FreeBSD base system from source +code) from previous versions are supported, according to the instructions in <tt +class="FILENAME">/usr/src/UPDATING</tt>.</p> + +<div class="IMPORTANT"> +<blockquote class="IMPORTANT"> +<p><b>Important:</b> Upgrading FreeBSD should, of course, only be attempted after +	backing up <span class="emphasis"><i class="EMPHASIS">all</i></span> data and +configuration 	files.</p> +</blockquote> +</div> +</div> +</div> + +<hr /> +<p align="center"><small>This file, and other release-related documents, can be +downloaded from <a href="ftp://ftp.FreeBSD.org/">ftp://ftp.FreeBSD.org/</a>.</small></p> + +<p align="center"><small>For questions about FreeBSD, read the <a +href="http://www.FreeBSD.org/docs.html">documentation</a> before contacting <<a +href="mailto:questions@FreeBSD.org">questions@FreeBSD.org</a>>.</small></p> + +<p align="center"><small>For questions about this documentation, e-mail <<a +href="mailto:doc@FreeBSD.org">doc@FreeBSD.org</a>>.</small></p> +</body> +</html> + |