diff options
Diffstat (limited to 'en_US.ISO8859-1/htdocs/releases/7.0R/relnotes.html')
-rw-r--r-- | en_US.ISO8859-1/htdocs/releases/7.0R/relnotes.html | 2294 |
1 files changed, 2294 insertions, 0 deletions
diff --git a/en_US.ISO8859-1/htdocs/releases/7.0R/relnotes.html b/en_US.ISO8859-1/htdocs/releases/7.0R/relnotes.html new file mode 100644 index 0000000000..898da1cd61 --- /dev/null +++ b/en_US.ISO8859-1/htdocs/releases/7.0R/relnotes.html @@ -0,0 +1,2294 @@ +<!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 7.0-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 7.0-RELEASE Release Notes</a></h1> + +<h3 class="CORPAUTHOR">The FreeBSD Project</h3> + +<p class="COPYRIGHT">Copyright © 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, +2008 The FreeBSD Documentation Project</p> + +<p class="PUBDATE">$FreeBSD: src/release/doc/en_US.ISO8859-1/relnotes/article.sgml,v +1.1068.2.20.2.3 2008/02/16 16:03:48 bmah Exp $<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. Products bearing SPARC trademarks are based +upon architecture developed by Sun Microsystems, Inc.</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="AEN26" name="AEN26"></a> +<p>The release notes for FreeBSD 7.0-RELEASE contain a summary of the changes made to the +FreeBSD base system on the 7-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="#BOOT">Boot Loader Changes</a></dt> + +<dt>2.2.2 <a href="#PROC">Hardware Support</a></dt> + +<dt>2.2.3 <a href="#NET-PROTO">Network Protocols</a></dt> + +<dt>2.2.4 <a href="#DISKS">Disks and Storage</a></dt> + +<dt>2.2.5 <a href="#FS">File Systems</a></dt> +</dl> +</dd> + +<dt>2.3 <a href="#USERLAND">Userland Changes</a></dt> + +<dd> +<dl> +<dt>2.3.1 <a href="#RC-SCRIPTS"><tt class="FILENAME">/etc/rc.d</tt> Scripts</a></dt> +</dl> +</dd> + +<dt>2.4 <a href="#CONTRIB">Contributed Software</a></dt> + +<dt>2.5 <a href="#PORTS">Ports/Packages Collection Infrastructure</a></dt> + +<dt>2.6 <a href="#RELENG">Release Engineering and Integration</a></dt> + +<dt>2.7 <a href="#DOC">Documentation</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 7.0-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 7.0-RELEASE is a snapshot distribution. It can be found +at <a href="http://www.FreeBSD.org/snapshots/" +target="_top">http://www.FreeBSD.org/snapshots/</a> or any of its mirrors. More +information on obtaining this (or other) snapshot distributions of FreeBSD can be found +in the <a href="http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/mirrors.html" +target="_top">“Obtaining FreeBSD” appendix</a> to the <a +href="http://www.FreeBSD.org/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 7.0-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 +6.0-RELEASE. In general, changes described here are unique to the 7-STABLE branch unless +specifically marked as [MERGED] features.</p> + +<p>Typical release note items document recent security advisories issued after +6.0-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>Two remote denials of service in BIND (one involving DNSSEC and one involving +recursive DNS queries) have been fixed. For more information, see security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-07:02.bind.asc" +target="_top">FreeBSD-SA-07:02.bind</a>. [MERGED]</p> + +<p>Processing of IPv6 type 0 Routing Headers is now controlled by the <code +class="VARNAME">net.inet6.ip6.rthdr0_allowed</code> sysctl variable, which defaults to +<tt class="LITERAL">0</tt> (off). For more information, see security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-07:03.ipv6.asc" +target="_top">FreeBSD-SA-07:03.ipv6</a>. [MERGED]</p> + +<p>A potential heap overflow in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=file&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">file</span>(1)</span></a> utility +(and the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=libmagic&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">libmagic</span>(3)</span></a> +library on which it relies) has been fixed. More details can be found in security +advisory <a href="http://security.FreeBSD.org/advisories/FreeBSD-SA-07:04.file.asc" +target="_top">FreeBSD-SA-07:04.file</a>. [MERGED]</p> + +<p>Problems with <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=libarchive&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">libarchive</span>(3)</span></a> +and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tar&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tar</span>(1)</span></a> handling +corrupted <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tar&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tar</span>(5)</span></a> archive +files have been fixed. More details can be found in security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-07:05.libarchive.asc" +target="_top">FreeBSD-SA-07:05.libarchive</a>. [MERGED]</p> + +<p>A buffer overflow in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tcpdump&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tcpdump</span>(1)</span></a> has +been corrected. More information can be found in security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-07:06.tcpdump.asc" +target="_top">FreeBSD-SA-07:06.tcpdump</a>. [MERGED]</p> + +<p>A bug in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=named&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">named</span>(8)</span></a>, which +could result in an attacker being able to poison a resolver's DNS cache, has been fixed. +More details are included in security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-07:07.bind.asc" +target="_top">FreeBSD-SA-07:07.bind</a>. [MERGED]</p> + +<p>A buffer overflow in OpenSSL (fixed incorrectly in a previously security patch) has +been corrected. More details can be found in security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-07:08.openssl.asc" +target="_top">FreeBSD-SA-07:08.openssl</a>. [MERGED]</p> + +<p>An flaw that could lead to the disclosure of previously-generated <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=random&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">random</span>(4)</span></a> data +has been corrected. Information regarding this issue can be found in security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-07:09.random.asc" +target="_top">FreeBSD-SA-07:09.random</a>. [MERGED]</p> + +<p>Information disclosure issues found in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=openpty&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">openpty</span>(3)</span></a> and +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ptsname&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ptsname</span>(3)</span></a> have +been corrected. Information regarding this issue can be found in security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-08:01.pty.asc" +target="_top">FreeBSD-SA-08:01.pty</a>. [MERGED]</p> + +<p>A programming error in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=inet_network&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">inet_network</span>(3)</span></a> +Internet address manipulation function that could lead to overwriting a region of memory +with user defined data has been corrected. Information regarding this issue can be found +in security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-08:02.libc.asc" +target="_top">FreeBSD-SA-08:02.libc</a>. [MERGED]</p> + +<p>An error that could allow <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sendfile&sektion=2&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sendfile</span>(2)</span></a> to +inappropriately access the contents of a file has been fixed. For more information, see +security advisory <a +href="http://security.FreeBSD.org/advisories/FreeBSD-SA-08:03.sendfile.asc" +target="_top">FreeBSD-SA-08:03.sendfile</a>. [MERGED]</p> + +<p> </p> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="KERNEL" name="KERNEL">2.2 Kernel Changes</a></h3> + +<p><a +href="http://www.FreeBSD.org/cgi/man.cgi?query=acpi&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">acpi</span>(4)</span></a> now has +support for the HPET time counter. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=acpi_ibm&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">acpi_ibm</span>(4)</span></a> +driver now supports setting the fan control mode to manual or automatic, and adjusting +the fan speed if the fan control mode is manual. To enable manual control of the fan +speed, the sysctl variable <code class="VARNAME">dev.acpi_ibm.<tt +class="REPLACEABLE"><i>0</i></tt>.fan</code> needs to be set to zero (manual). This +should only be used with extreme precaution, as disabling automatic fan control might +overheat the hardware and lead to permanent damage.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=apm&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">apm</span>(4)</span></a> +suspend/resume support has been improved.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cpufreq&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cpufreq</span>(4)</span></a> CPU +frequency control framework is now enabled in the <tt class="FILENAME">GENERIC</tt> +kernel.</p> + +<p>Support for the Camellia block cipher has been added to the FreeBSD kernel. It can now +be specified as a cipher in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ipsec&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ipsec</span>(4)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=geli&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">geli</span>(8)</span></a>. More +information on Camellia can be found in RFC 4132.</p> + +<p>The <tt class="LITERAL">options COMPAT_43</tt> kernel configuration option has been +deemed unnecessary and has been removed from <tt class="FILENAME">GENERIC</tt> and +related kernel configurations. This change may result in a small performance increase for +some workloads.</p> + +<p>The dumb console driver (<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=dcons&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">dcons</span>(4)</span></a>) is now +enabled in the <tt class="FILENAME">GENERIC</tt> kernel.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ddb&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ddb</span>(4)</span></a> debugger +now provides the <tt class="LITERAL">show sleepq</tt> command. This takes a wait channel +as an argument and looks for a sleep queue associated with that wait channel.</p> + +<p>A bug in file descriptor handling such that a simple <tt class="LITERAL">close(0); +dup(fd)</tt> sequence does not return descriptor <tt class="LITERAL">0</tt> in some +cases, has been fixed.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gdb&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gdb</span>(1)</span></a> remote +debugging interface now supports copying console messages to a remote debugger instance. +To enable this, set <tt class="LITERAL">debug.gdbcons="1"</tt> in <tt +class="FILENAME">loader.conf</tt>, enter <tt class="LITERAL">boot -d; gdb; step</tt> from +the loader prompt, then attach <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gdb&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gdb</span>(1)</span></a> from a +remote machine. The sysctl variable <code class="VARNAME">debug.gdbcons</code> can be +used to turn on/off this functionality.</p> + +<p><a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hwpmc&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hwpmc</span>(4)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pmcstat&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pmcstat</span>(8)</span></a> now +support profiling of dynamically loaded kernel modules and shared objects loaded with <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=dlopen&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">dlopen</span>(3)</span></a>.</p> + +<p>A new <code class="VARNAME">kern.hostuuid</code> sysctl variable has been added to +hold a host's Universally Unique Identifier (UUID). This UUID is computed or generated by +a new <tt class="FILENAME">rc.d/hostid</tt> startup script and, where possible, is saved +to disk to be persistent across reboots.</p> + +<p>The <code class="OPTION">INCLUDE_CONFIG_FILE</code> kernel configuration option has +been improved. The full configuration of a running kernel can now be obtained via <tt +class="COMMAND">sysctl -b kern.conftxt</tt>. It can also be extracted from a kernel file +via <tt class="COMMAND">config -x kernelfile</tt>. To preserve the literal kernel +configuration with all the comments included, the <code class="OPTION">-C</code> option +of <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=config&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">config</span>(8)</span></a> can be +used.</p> + +<p>Support for Kernel Scheduled Entities (KSE) is now a kernel option (previously it was +a mandatory feature in the kernel). It is enabled in the GENERIC kernel (thus there is no +change in functionality) for all platforms except sun4v.</p> + +<p>The Linux ABI support was enhanced to support emulation of Linux 2.6.16. This is not +enabled by default. To turn it on the <code class="VARNAME">compat.linux.osrelease</code> +sysctl variable has to be set to <tt class="LITERAL">2.6.16</tt>. Note that this support +is still experimental.</p> + +<p>Support for Message Signaled Interrupts (MSI) and Extended Message Signaled Interrupts +(MSI-X) has been added to the kernel's PCI support code. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=priv&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">priv</span>(9)</span></a> kernel +interface has been added. Its purpose is checking the availability of privilege for +threads and credentials. Unlike the existing <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=suser&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">suser</span>(9)</span></a> +interface, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=priv&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">priv</span>(9)</span></a> exposes +a named privilege identifier to the privilege checking code, allowing more complex +policies regarding the granting of privilege to be expressed.</p> + +<p>FreeBSD now supports concurrent <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=read&sektion=2&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">read</span>(2)</span></a>/<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=readv&sektion=2&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">readv</span>(2)</span></a> access +to a file.</p> + +<p>The kernel's <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sx&sektion=9&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">sx</span>(9)</span></a> locks have been +optimized to use simple atomic operations for the common cases of obtaining and releasing +shared and exclusive locks. While this change is not generally user-visible, it is the +basis for some substantial performance improvements.</p> + +<p>The ULE process scheduler has been revised to improve its behavior, in particular +interactivity under load, for both uniprocessor and multiprocessor machines. This +implementation has commonly been referred to as “ULE 3.0”. (ULE 3.0 was +formerly known as SCHED_SMP, which in turn was based on version 2.0 of the ULE scheduler. +ULE 2.0 was never a part of any FreeBSD release, however it was the subject of many +development, testing, and benchmarking efforts.)</p> + +<p>The <tt class="LITERAL">SIGCHLD</tt> signal queuing has been added. For each child +process whose status has been changed, a <tt class="LITERAL">SIGCHLD</tt> instance is +queued. If the signal is still pending, and the process changed status several times, the +signal information is updated to reflect the latest process status. There is a loader +tunable <code class="VARNAME">kern.sigqueue.queue_sigchild</code> which can control the +behavior, setting it to zero disables the <tt class="LITERAL">SIGCHLD</tt> queuing +feature.</p> + +<p>A new sysctl variable <code class="VARNAME">kern.malloc_stats</code> has been added. +This allows exporting of kernel malloc statistics via a binary structure stream.</p> + +<p>A new sysctl variable <code class="VARNAME">kern.forcesigexit</code> has been added. +This forces a process to sigexit if a trap signal is being held by the current thread or +ignored by the current process. It is enabled by default.</p> + +<p>The pcvt(4) driver, an alternative to <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=syscons&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">syscons</span>(4)</span></a>, has +been removed, as it had fallen out of sync with the rest of the kernel.</p> + +<p>RedZone, a buffer corruption protection for the kernel <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=malloc&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">malloc</span>(9)</span></a> +facility has been implemented. This detects both buffer underflows and overflows at +runtime on <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=free&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">free</span>(9)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=realloc&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">realloc</span>(9)</span></a>, and +prints backtraces from where memory was allocated and from where it was freed. For more +details, see the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=redzone&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">redzone</span>(9)</span></a> +manual page.</p> + +<p>A new loader tunable <code class="VARNAME">vm.kmem_size_min</code> has been added. +This allows to specify a minimal size for <code class="VARNAME">vm.kmem_size</code>.</p> + +<p>A new sysctl variable <code class="VARNAME">vm.zone_stats</code> has been added. This +allows to export <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uma&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uma</span>(9)</span></a> allocator +statistics via a binary structure stream.</p> + +<p>The sysctl variable <code class="VARNAME">hw.pci.do_powerstate</code> has been split +into two sysctl variables <code class="VARNAME">hw.pci.do_powerstate_nodriver</code> and +<code class="VARNAME">hw.pci.do_powerstate_resume</code>. Also, these variables have been +changed from a boolean to a range. <tt class="LITERAL">0</tt> means no power management, +<tt class="LITERAL">1</tt> means conservative power management which any device class +that has caused problems is added to the watch list, <tt class="LITERAL">2</tt> means +aggressive power management where any device class that is not fundamental to the system +is added to the list, and <tt class="LITERAL">3</tt> means power them all down +unconditionally. The default values are <tt class="LITERAL">0</tt> for <code +class="VARNAME">hw.pci.do_powerstate_nodriver</code> and <tt class="LITERAL">1</tt> for +<code class="VARNAME">hw.pci.do_powerstate_resume</code>.</p> + +<p>[ia64] The <tt class="FILENAME">GENERIC</tt> kernel now enables SMP support by +default.</p> + +<p>Sample kernel configuration files <tt class="FILENAME">src/sys/<tt +class="REPLACEABLE"><i>arch</i></tt>/conf/MAC</tt> for the Mandatory Access Control +framework have been added.</p> + +<p><code class="VARNAME">POSIX_TIMERS</code> support has been updated to 200112L.</p> + +<p>An experimental support for POSIX message queue has been implemented.</p> + +<p>The locking strategy for UNIX domain sockets has been revised to improve concurrency; +this change has yielded substantial performance improvements on various SMP workloads (in +particular, MySQL on 8-way amd64 systems) with little or no measured overhead on UP +systems.</p> + +<p>Several minor but widespread changes to the Newbus API have been made In order to +support some on-going work with interrupt filtering. Because this change also breaks the +kernel ABI, all third-party device drivers will need to be modified and recompiled.</p> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="BOOT" name="BOOT">2.2.1 Boot Loader Changes</a></h4> + +<p>A new option <code class="OPTION">-S</code>, which allows setting the <tt +class="FILENAME">boot2</tt> serial console speed in the <tt +class="FILENAME">/boot.config</tt> file or on the <samp class="PROMPT">boot:</samp> +prompt line, has been added.</p> + +<p>[amd64, i386] <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=firewire&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">firewire</span>(4)</span></a> and +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=dcons&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">dcons</span>(4)</span></a> support +has been added to the boot loader. To enable it, <tt +class="LITERAL">LOADER_FIREWIRE_SUPPORT=yes</tt> has to be added to <tt +class="FILENAME">/etc/make.conf</tt> and the loader be rebuilt.</p> + +<p>[pc98] The <b class="APPLICATION">IPLware</b> support in boot0.5 has been enhanced to +support version 3.33.</p> +</div> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="PROC" name="PROC">2.2.2 Hardware Support</a></h4> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cardbus&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cardbus</span>(4)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pccard&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pccard</span>(4)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pccbb&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pccbb</span>(4)</span></a>, and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ex&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">ex</span>(4)</span></a> drivers are now +buildable as kernel modules.</p> + +<p>An <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=acpi_dock&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">acpi_dock</span>(4)</span></a> +driver has been added to provide support for controlling laptop docking station functions +via ACPI. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=acpi_thermal&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">acpi_thermal</span>(4)</span></a> +driver now supports overriding the <tt class="LITERAL">_PSV</tt>, <tt +class="LITERAL">_HOT</tt>, and <tt class="LITERAL">_CRT</tt> temperature values.</p> + +<p>Support for the alpha architecture has been removed. Alpha support will remain on the +RELENG_5 and RELENG_6 codelines.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cardbus&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cardbus</span>(4)</span></a> +driver now supports <tt class="FILENAME">/dev/cardbus<tt +class="REPLACEABLE"><i>%d</i></tt>.cis</tt>.</p> + +<p>[i386, amd64] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=coretemp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">coretemp</span>(4)</span></a> +driver has been added to provide temperature readings on <span +class="TRADEMARK">Intel</span>® <span class="TRADEMARK">Core</span>™ +processors. [MERGED]</p> + +<p>The <tt class="LITERAL">est</tt> <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cpufreq&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cpufreq</span>(4)</span></a> +driver now supports frequency control for the VIA C7-M family of processors.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=firewire&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">firewire</span>(4)</span></a> code +is now MPSAFE.</p> + +<p>icee(4), a generic I2C EEPROM driver, has been added.</p> + +<p>A bug which prevented the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ichsmb&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ichsmb</span>(4)</span></a> kernel +module from unloading has been fixed.</p> + +<p>[amd64, i386] Dual-core processors (such as the Intel Core Duo) now have both cores +available for use by default in SMP-enabled kernels. [MERGED]</p> + +<p>[ia64, powerpc] The loader tunable <code class="VARNAME">debug.mpsafevfs</code> is set +to <tt class="LITERAL">1</tt> by default.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sab&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sab</span>(4)</span></a> driver +has been removed (it has been superceded by the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=scc&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">scc</span>(4)</span></a> +driver).</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=scc&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">scc</span>(4)</span></a> driver +has been added. This provides generic support for serial communications controllers and +delegates the control over each channel and mode to a subordinate driver such as <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uart&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uart</span>(4)</span></a>.</p> + +<p>[amd64] The smbios(4) driver support for amd64 has been added.</p> + +<p>[sun4v] FreeBSD now has preliminary support for the Sun Microsystems UltraSPARC-T1 +architecture. FreeBSD/sun4v has been demonstrated to run on the Sun Fire T1000 and Sun +Fire T2000 servers. More information can be found on the <a +href="http://www.FreeBSD.org/platforms/sun4v.html" target="_top">sun4v Project</a> +page.</p> + +<p>The tnt4882(4) driver, which supports the National Instruments PCI-GPIB card, has been +added.</p> + +<p>[amd64, i386, ia64, sparc64] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uart&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uart</span>(4)</span></a> driver +has been included in the <tt class="FILENAME">GENERIC</tt> kernel by default. When both +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sio&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sio</span>(4)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uart&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uart</span>(4)</span></a> can +handle a given serial port, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sio&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sio</span>(4)</span></a> will +claim it.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uark&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uark</span>(4)</span></a> driver, +which supports the Arkmicro Technologies ARK3116-based USB serial adapter, has been +added.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uart&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uart</span>(4)</span></a> driver +now supports LOM (Lights Out Management) and RSC (Remote System Control) devices as +consoles.</p> + +<p>The zs driver has been removed. Its functionality has been superceded by that of the +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uart&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uart</span>(4)</span></a> +driver.</p> + +<p>[i386] A new loader tunable <code class="VARNAME">hw.apic.enable_extint</code> has +been added. This tunable can be used to disable masking of the ExtINT pin on the first +I/O APIC. At least one chipset for the Intel Pentium III seems to need this, even though +all of the pins in the 8259As are masked. The default is still to mask the ExtINT +pin.</p> + +<div class="SECT4"> +<hr /> +<h5 class="SECT4"><a id="MM" name="MM">2.2.2.1 Multimedia Support</a></h5> + +<p>The new midi(4) driver which is based on NetBSD's one has been added. This supports <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_cmi&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_cmi</span>(4)</span></a> and +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_emu10k1&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_emu10k1</span>(4)</span></a> +drivers.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_cmi&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_cmi</span>(4)</span></a> +driver is now MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_emu10kx&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_emu10kx</span>(4)</span></a> +driver has been added. It supports Creative SoundBlaster Live! and Audigy series sound +cards with optional pseudo-multichannel playback.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_envy24&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_envy24</span>(4)</span></a> +driver has been added to support the Envy24 series of audio chips. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_envy24ht&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_envy24ht</span>(4)</span></a> +driver has been added to support the VIA Envy24HT series of audio chips. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_hda&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_hda</span>(4)</span></a> +driver has been added. It supports devices that conform to revision 1.0 of the Intel High +Definition Audio specification. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_solo&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_solo</span>(4)</span></a> +driver is now MPSAFE. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_spicds&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_spicds</span>(4)</span></a> +driver has been added to support I2S SPI audio codec chips. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uaudio&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uaudio</span>(4)</span></a> driver +now supports 24/32 bit audio formats and conversion.</p> +</div> + +<div class="SECT4"> +<hr /> +<h5 class="SECT4"><a id="NET-IF" name="NET-IF">2.2.2.2 Network Interface Support</a></h5> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ath&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ath</span>(4)</span></a> driver +has been updated to HAL version 0.9.20.3. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=axe&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">axe</span>(4)</span></a> driver +now supports <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=altq&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">altq</span>(4)</span></a>. +[MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=bge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">bge</span>(4)</span></a> driver's +Jumbo frame support is now MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=bge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">bge</span>(4)</span></a> driver +now supports big-endian architectures such as sparc64.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cm&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">cm</span>(4)</span></a> driver is now +MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cxgb&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cxgb</span>(4)</span></a> driver +has been added. It provides support for 10 Gigabit Ethernet adapters based on the Chelsio +T3 and T3B chipsets. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=edsc&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">edsc</span>(4)</span></a> driver, +which provides Ethernet discard network interfaces, has been added. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=el&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">el</span>(4)</span></a> driver has been +removed due to lack of use.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=em&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">em</span>(4)</span></a> driver has been +updated to version 6.7.3 from Intel. Among other changes, it now supports 80003, 82571, +82571EB, 82572 and 82575 based adapters, as well as onboard-NICs on ICH8-based +motherboards. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=em&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">em</span>(4)</span></a> driver now +includes initial support for suspend and resume features.</p> + +<p>The performance of the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=em&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">em</span>(4)</span></a> driver has been +improved by using a fast interrupt handler and taskqueue instead of ithread handler. This +change can be disabled by defining <tt class="LITERAL">NO_EM_FASTINTR</tt> kernel option +for debugging purpose.</p> + +<p>The IP over FireWire (<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=fwip&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">fwip</span>(4)</span></a>) driver +is now enabled in the <tt class="FILENAME">GENERIC</tt> kernel.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gem&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gem</span>(4)</span></a> driver +now supports <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=altq&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">altq</span>(4)</span></a>.</p> + +<p>The firmware images needed by the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ipw&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ipw</span>(4)</span></a> driver +are now part of the FreeBSD base system. For the loaded firmware to work the license at +<tt class="FILENAME">/usr/share/doc/legal/intel_ipw/LICENSE</tt> must be agreed to and +<tt class="LITERAL">legal.intel_ipw.license_ack=1</tt> has to be added to <tt +class="FILENAME">/boot/loader.conf</tt>. Prior versions of the driver used the firmware +image in the <a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/net/ipw-firmware-kmod/pkg-descr"><tt +class="FILENAME">net/ipw-firmware-kmod</tt></a> port/package or the <a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/net/ipw-firmware/pkg-descr"><tt +class="FILENAME">net/ipw-firmware</tt></a> port/package.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=iwi&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">iwi</span>(4)</span></a> driver +now supports big-endian architectures such as sparc64.</p> + +<p>The firmware images needed by the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=iwi&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">iwi</span>(4)</span></a> driver +are now part of the FreeBSD base system. For the loaded firmware to work the license at +<tt class="FILENAME">/usr/share/doc/legal/intel_iwi/LICENSE</tt> must be agreed to and +<tt class="LITERAL">legal.intel_iwi.license_ack=1</tt> has to be added to <tt +class="FILENAME">/boot/loader.conf</tt>. Prior versions of the driver used the firmware +image in the <a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/net/iwi-firmware-kmod/pkg-descr"><tt +class="FILENAME">net/iwi-firmware-kmod</tt></a> port/package or the <a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/net/iwi-firmware/pkg-descr"><tt +class="FILENAME">net/iwi-firmware</tt></a> port/package.</p> + +<p>The ixgbe driver, which supports the Intel 10G PCI-Express adapter (82598), has been +added.</p> + +<p>The lnc(4) driver has been removed. The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=le&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">le</span>(4)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pcn&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pcn</span>(4)</span></a> drivers +support all devices that were supported by lnc(4).</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=msk&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">msk</span>(4)</span></a> driver +has been added. It supports network interfaces using the Marvell/SysKonnect Yukon II +Gigabit Ethernet controller. [MERGED]</p> + +<p>[amd64, i386] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mxge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mxge</span>(4)</span></a> driver, +which supports Myricom Myri10GE 10 Gigabit Ethernet adapters, has been added. For more +details, see <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mxge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mxge</span>(4)</span></a>. +[MERGED]</p> + +<p>[amd64, i386] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=nfe&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">nfe</span>(4)</span></a> driver, +an open-source driver for nForce Ethernet devices, has been added, originally from +OpenBSD. This driver has replaced the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=nve&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">nve</span>(4)</span></a> driver in +the <tt class="FILENAME">GENERIC</tt> kernel.</p> + +<p>[arm] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=npe&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">npe</span>(4)</span></a> driver, +which supports the Intel XScale Network Processing Engine, has been added. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=nxge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">nxge</span>(4)</span></a> driver, +which supports the Neterion Xframe 10 Gigabit Ethernet adapter, has been added.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=re&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">re</span>(4)</span></a> driver now +supports the D-Link DGE-528(T) Gigabit Ethernet card.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rum&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rum</span>(4)</span></a> driver +has been added. It supports WLAN adapters based on the Ralink RT2501USB and RT2601USB +chipsets.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ti&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">ti</span>(4)</span></a> driver now +supports big-endian architectures such as sparc64.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ufoma&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ufoma</span>(4)</span></a> driver +for FOMA (third generation mobile phone system by NTT DoCoMo, Inc. in Japan) has been +added. This should support other third generation mobile phones since the driver is based +on USB Implementation Guideline from MCPC (Mobile Computing Promotion Consortium) in +Japan.</p> + +<p>The vgapci(4) driver has been added. This is a stub device driver for VGA PCI devices +and serves as a bus so that other drivers such as drm(4), <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=acpi_video&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">acpi_video</span>(4)</span></a>, +and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=agp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">agp</span>(4)</span></a> can +attach to it thus allowing multiple drivers for the same device.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=vge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">vge</span>(4)</span></a> driver +now supports <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=altq&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">altq</span>(4)</span></a>. +[MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wi&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">wi</span>(4)</span></a> driver is now +buildable as a kernel module.</p> + +<p>[amd64, i386, pc98] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wlan_wep&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">wlan_wep</span>(4)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wlan_ccmp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">wlan_ccmp</span>(4)</span></a>, +and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wlan_tkip&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">wlan_tkip</span>(4)</span></a> +drivers have been included in the <tt class="FILENAME">GENERIC</tt> kernel by +default.</p> + +<p>[amd64, i386] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wpi&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">wpi</span>(4)</span></a> driver +has been added to support the Intel 3945 Wireless LAN Controller.</p> + +<p>[amd64, i386] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=zyd&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">zyd</span>(4)</span></a> driver +has been added. It provides support for ZyDAS ZD1211/ZD1211B USB IEEE 802.11 b/g wireless +network devices.</p> + +<p>The network interface groups feature has been imported from OpenBSD. This feature +allows an administrator to, for example, apply firewall rules to an entire group of +interfaces. More information can be found in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ifconfig&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ifconfig</span>(8)</span></a>.</p> + +<p>The 802.11 protocol stack has been significantly reworked. Among the new features are +support for background scanning and roaming between APs, as well as support that will be +required by 802.11n-capable devices.</p> + +<p>The 802.11 protocol stack now has support for 900 MHz cards, as well as quarter- and +half-channel support for 802.11a. [MERGED]</p> + +<p>The FreeBSD network stack now runs entirely free of the Giant kernel lock, and relies +solely on the kernel's fine-grained locking primitives to manage parallelism. This +significantly improves the network stack's performance on multi-processor systems; +uni-processor systems could also see performance gains. ISDN4BSD and netatm have been +temporarily disconnected from the build. These modules all require the Giant kernel lock +for their operation; disconnecting them allows the removal of the NET_NEEDS_GIANT +compatability shim. It is planned to convert these modules to fine-grained kernel locking +and re-connect them for FreeBSD 7.1-RELEASE.</p> +</div> +</div> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="NET-PROTO" name="NET-PROTO">2.2.3 Network Protocols</a></h4> + +<p>[amd64, i386, pc98] An experimental BPF Just-In-Time compiler has been implemented for +both <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=bpf&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">bpf</span>(4)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ng_bpf&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ng_bpf</span>(4)</span></a>. To +enable this, the <tt class="LITERAL">options BPF_JITTER</tt> kernel option is needed. The +<code class="VARNAME">net.bpf_jitter.enable</code> can be used to disable this +feature.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=bpf&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">bpf</span>(4)</span></a> device +now supports several new <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ioctl&sektion=2&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ioctl</span>(2)</span></a> calls +to allow examining inbound vs. outbound packets, as well as packets that have been +injected onto the network.</p> + +<p>The bridge(4) driver has been removed from the tree. Its functionality has been +completely replaced by <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=if_bridge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">if_bridge</span>(4)</span></a>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gre&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gre</span>(4)</span></a> driver, +which is for GRE encapsulation found in RFC 1701 and RFC 1702, now supports IPv6 over +GRE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=if_bridge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">if_bridge</span>(4)</span></a> +driver now supports RSTP, the Rapid Spanning Tree Protocol (802.1w). [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=if_bridge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">if_bridge</span>(4)</span></a> +driver now supports a <tt class="LITERAL">private</tt> flag on bridge ports; no private +port on a bridge can communicate with any other private port. This functionlity is useful +in scenarios such as number of customers VLANs bridged with a server network; it might be +desirable to prevent the customer VLANs from communicating with each other but allow all +of them to access the server network. The private flag on a bridge port can be set or +cleared via <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ifconfig&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ifconfig</span>(8)</span></a>.</p> + +<p>A hard-coded limit on the number of IPv4 multicast group memberships (formerly 20) has +been removed.</p> + +<p>IPv6 multicast forwarding is now dynamically loadable, via the <tt +class="FILENAME">ip_mroute.ko</tt> module.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ipfw&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ipfw</span>(4)</span></a> packet +filter now supports filtering on Routing Header Type 0 and Mobile IPv6 Routing Header +Type 2 in addition to filtering on the non-differentiated presence of any Routing +Header.</p> + +<p>The ip6fw(8) packet filter has been removed. Since <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ipfw&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ipfw</span>(4)</span></a> has +gained IPv6 support, it should be used instead. Please note that some rules might need to +be adjusted.</p> + +<p>The KAME IPsec implementation has been removed. In its place, <tt +class="LITERAL">FAST_IPSEC</tt> is now the only IPsec implementation supported by the +FreeBSD kernel. The <tt class="LITERAL">IPSEC</tt> kernel configuration option, which +formerly enabled KAME IPsec, now enables <tt class="LITERAL">FAST_IPSEC</tt>. <tt +class="LITERAL">FAST_IPSEC</tt> now supports both IPv4 and IPv6, uses fine-grained kernel +locking, and supports hardware cryptographic acceleration.</p> + +<p>Support for tunneling IPX over IP has been removed.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=lagg&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">lagg</span>(4)</span></a> driver, +ported from OpenBSD and NetBSD, has been added to support a variety of protocols and +algorithms for link aggregation, failover, and fault tolerance. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=natm&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">natm</span>(4)</span></a>, Native +Mode ATM protocol layer is now MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ng_car&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ng_car</span>(4)</span></a> +Netgraph node has been added. It implements various traffic shaping and rate limiting +algorithms.</p> + +<p>A new <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ng_deflate&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ng_deflate</span>(4)</span></a> +Netgraph node type has been added. It implements Deflate PPP compression. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ng_h4&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ng_h4</span>(4)</span></a> +Netgraph node is now MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ng_ppp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ng_ppp</span>(4)</span></a> +Netgraph node is now MPSAFE. [MERGED]</p> + +<p>A new <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ng_pred1&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ng_pred1</span>(4)</span></a> +Netgraph node type has been added to implement Predictor-1 PPP compression. [MERGED]</p> + +<p>The default retransmit timer for NFS over TCP is now 60 seconds. This change prevents +the unnecessary retransmission of non-idempotent NFS requests. The <code +class="VARNAME">nfs_access_cache</code> variable in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rc.conf&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rc.conf</span>(5)</span></a> has +also been changed to 60.</p> + +<p>The default minimum number of nfsiod kernel threads (<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysctl</span>(8)</span></a> +variable <code class="VARNAME">vfs.nfs.iodmin</code>) has been changed from 4 to 0.</p> + +<p>A new sysctl variable <code class="VARNAME">net.inet.icmp.reply_from_interface</code> +has been added. This allows the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=icmp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">icmp</span>(4)</span></a> reply to +non-local packets to be generated with the IP address the packet came through in. This is +useful for routers to show in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=traceroute&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">traceroute</span>(8)</span></a> +the actual path a packet has taken instead of the possibly different return path.</p> + +<p>A new sysctl variable <code class="VARNAME">net.inet.icmp.quotelen</code> has been +added. This allows to change length of the quotation of the original packet in an ICMP +reply. The minimum of 8 bytes is internally enforced. The maximum quotation is the +remaining space in the reply mbuf. This option is added in response to the issues raised +in I-D <tt class="FILENAME">draft-gont-icmp-payload-00.txt</tt>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=icmp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">icmp</span>(4)</span></a> now +always quotes the entire TCP header when responding and allocate an mbuf cluster if +needed. This change fixes the TCP issues raised in I-D <tt +class="FILENAME">draft-gont-icmp-payload-00.txt</tt>.</p> + +<p>A new socket option <tt class="LITERAL">IP_MINTTL</tt> has been added. This may be +used to set the minimum acceptable TTL a packet must have when received on a socket. All +packets with a lower TTL are silently dropped. This works on already connected/connecting +and listening sockets for RAW, UDP, and TCP. This option is only really useful when set +to <tt class="LITERAL">255</tt>, preventing packets from outside the directly connected +networks reaching local listeners on sockets. Also, this option allows userland +implementation of “The Generalized TTL Security Mechanism (GTSM)” found in +RFC 3682.</p> + +<p>The kernel <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ppp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ppp</span>(4)</span></a> driver +now supports IPv6.</p> + +<p>Stealth forwarding now supports IPv6 as well as IPv4. This behavior can be controlled +by using a new sysctl variable <code class="VARNAME">net.inet6.ip6.stealth</code>.</p> + +<p>The <tt class="LITERAL">PIM</tt> kernel option has been removed. The corresponding +code is now included in the <tt class="LITERAL">MROUTING</tt> kernel option.</p> + +<p>Support has been added for the RFC 3678 Source-Specific Multicast (SSM) socket API. +More details can be found in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sourcefilter&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sourcefilter</span>(3)</span></a> +manual page.</p> + +<p>Support has been added for the Stream Control Transmission Protocol (SCTP). SCTP +implements a reliable, message-oriented transport protocol, and is defined in RFC 4960. +It is enabled in FreeBSD with the <tt class="LITERAL">SCTP</tt> kernel option and is part +of the <tt class="FILENAME">GENERIC</tt> kernel. More information can be found in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sctp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sctp</span>(4)</span></a> manual +page.</p> + +<p>The <tt class="LITERAL">IPV6_V6ONLY</tt> socket option now works for UDP.</p> + +<p>The <tt class="LITERAL">TCP_DROP_SYNFIN</tt> kernel option is now included in the +kernel by default. The <code class="VARNAME">net.inet.tcp.drop_synfin</code> sysctl +variable still defaults to <tt class="LITERAL">0</tt>.</p> + +<p>The FreeBSD network stack now has support for TCP Segmentation Offload (TSO). TSO +reduces the overhead of sending bulk TCP data by allowing a network interface to convert +a large data transfer into multiple TCP segments to be sent on the network. This +functionality can be enabled or disabled on a per-interface basis with the <tt +class="LITERAL">tso</tt> and <tt class="LITERAL">-tso</tt> flags to <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ifconfig&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ifconfig</span>(8)</span></a>. +Network interfaces and drivers supporting TSO currently include <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=em&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">em</span>(4)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mxge&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mxge</span>(4)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cxgb&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cxgb</span>(4)</span></a>.</p> + +<p>FreeBSD now supports auto-sizing of TCP socket buffers. This allows the socket buffer +sizes to adapt dynamically to network conditions, rather than being set statically. The +behavior of this feature can be controlled using the <code +class="VARNAME">net.inet.tcp.sendbuf_*</code> and <code +class="VARNAME">net.inet.tcp.recvbuf_*</code> sysctl variables.</p> + +<p>The <code class="VARNAME">net.link.tap.up_on_open</code> sysctl variable has been +added to the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tap&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tap</span>(4)</span></a> driver. +If enabled, new tap devices will marked <tt class="LITERAL">up</tt> upon creation. +[MERGED]</p> +</div> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="DISKS" name="DISKS">2.2.4 Disks and Storage</a></h4> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=aac&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">aac</span>(4)</span></a> driver +now supports the Adaptec 2610SA SATA-RAID controller in some Hewlett-Packard +machines.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ahc&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ahc</span>(4)</span></a> driver is +now MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ahd&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ahd</span>(4)</span></a> driver is +now MPSAFE.</p> + +<p>The CAM subsystem is now MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ciss&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ciss</span>(4)</span></a> driver +is now MPSAFE.</p> + +<p>A new <tt class="LITERAL">GEOM_JOURNAL</tt> class has been added to the GEOM storage +transformation system. It supports block-level journaling operations, which can be used +by file system modules to perform file system journaling and to keep file systems in a +consistent state. (Currently, only UFS file systems are supported.) Its operation can be +controlled using the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gjournal&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gjournal</span>(8)</span></a> +utility.</p> + +<p>A new GEOM_MULTIPATH class has been added to support multiple access paths to disk +devices. The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gmultipath&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gmultipath</span>(8)</span></a> +utility has been added to control the behavior of disk devices using this feature.</p> + +<p>A new <tt class="LITERAL">GEOM_VIRSTOR</tt> class has been added to provide virtual +storage devices of arbitrary size with physical devices as backing store. More +information can be found in the manual page for its control utility, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gvirstor&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gvirstor</span>(8)</span></a>.</p> + +<p>The GEOM class kernel module <tt class="FILENAME">g_md.ko</tt> has been renamed to <tt +class="FILENAME">geom_md.ko</tt> for consistency.</p> + +<p>[amd64, i386] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hptiop&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hptiop</span>(4)</span></a> driver +has been added. It supports the Highpoint RocketRAID 3xxx and 4xxx series of SAS and SATA +RAID controllers.</p> + +<p>[amd64, i386] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hptrr&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hptrr</span>(4)</span></a> driver +has been added, to support several HighPoint RocketRAID controllers (more details can be +found in the manual page). [MERGED]</p> + +<p>[amd64, i386] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hptmv&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hptmv</span>(4)</span></a> driver +has been updated and now supports amd64 as well as PAE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=isp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">isp</span>(4)</span></a> driver is +now MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mpt&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mpt</span>(4)</span></a> driver +has been updated to support various new features such as RAID volume and RAID member +state/settings reporting, periodic volume re-synchronization status reporting, and sysctl +variables for volume re-synchronization rate, volume member write cache status, and +volume transaction queue depth. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mpt&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mpt</span>(4)</span></a> driver +now supports SAS HBA (partially), 64-bit PCI, and large data transfer. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mpt&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mpt</span>(4)</span></a> driver is +now MPSAFE.</p> + +<p>The rr232x(4) driver, which appeared in some older versions of FreeBSD, is no longer +supported, and has been superceded by the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hptrr&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hptrr</span>(4)</span></a> driver. +At the request of Highpoint, the rr232x(4) driver has been removed. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=twa&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">twa</span>(4)</span></a> driver +has been updated to the 3.70.03.007 release on the 3ware Web site. It now supports AMCC's +3ware 9650 series of SATA controllers. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=iscsi_initiator&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">iscsi_initiator</span>(4)</span></a> driver, a kernel driver for +the Internet SCSI (iSCSI) protocol, has been added. This driver allows access to remote +SCSI devices over TCP/IP networks. The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=iscontrol&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">iscontrol</span>(8)</span></a> +userland utility is used to control the operation of the driver.</p> + +<p>The scsi_sg driver, which emulates a significant subset of the Linux SCSI SG +passthrough device API, has been added. It is intended to allow programs running under +Linux emulation (as well as native FreeBSD applications) to access the <tt +class="FILENAME">/dev/sg<tt class="REPLACEABLE"><i>*</i></tt></tt> devices supported by +Linux. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=umass&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">umass</span>(4)</span></a> driver +now supports <tt class="LITERAL">PLAY_MSF</tt>, <tt class="LITERAL">PLAY_TRACK</tt>, <tt +class="LITERAL">PLAY_TRACK_REL</tt>, <tt class="LITERAL">PAUSE</tt>, <tt +class="LITERAL">PLAY_12</tt> commands so that the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cdcontrol&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cdcontrol</span>(1)</span></a> +utility can handle a USB CD drive.</p> +</div> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="FS" name="FS">2.2.5 File Systems</a></h4> + +<p>A part of the FreeBSD NFS subsystem (the interface with the protocol stack and +callouts, the NFS client side) is now MPSAFE.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pseudofs&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pseudofs</span>(9)</span></a> +pseudo file system construction kit and all of its consumers (<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=procfs&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">procfs</span>(5)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=linprocfs&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">linprocfs</span>(5)</span></a> and +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=linsysfs&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">linsysfs</span>(5)</span></a>), +are now MPSAFE.</p> + +<p>[amd64, i386] Experimental support for the TMPFS file system has been added. TMPFS is +an efficient memory file system originally developed for the NetBSD project during the +Google Summer of Code. More information can be found in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tmpfs&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tmpfs</span>(5)</span></a> manual +page.</p> + +<p>The unionfs file system has been re-implemented. This version solves many crashing and +locking issues compared to the previous implementation. It also adds new +“transparent” and “masquerade” modes for automatically creating +files in the upper file system layer of unions. More information can be found in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mount_unionfs&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mount_unionfs</span>(8)</span></a> +manual page. [MERGED]</p> + +<p>[amd64, i386, pc98] Support for Sun's ZFS has been added. More information about this +file system can be found in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=zfs&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">zfs</span>(8)</span></a> manual +page or on the <a href="http://www.opensolaris.org/os/community/zfs/" +target="_top">OpenSolaris ZFS page</a>.</p> + +<p>Initial (read-only) support for SGI's XFS file system has been added.</p> +</div> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="USERLAND" name="USERLAND">2.3 Userland Changes</a></h3> + +<p>The addr2ascii() and ascii2addr() library calls, originally introduced by the INRIA +IPv6 implementation, have been removed from <tt class="FILENAME">libc</tt>. They have no +consumers in the FreeBSD base system. In a related change, support for <tt +class="LITERAL">AF_LINK</tt> addresses has been added to <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=getnameinfo&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">getnameinfo</span>(3)</span></a>.</p> + +<p>Padding of <code class="VARNAME">ai_addrlen</code> in <code class="VARNAME">struct +addrinfo</code> has been removed, which was originally for the ABI compatibility. For +example, this change breaks the ABI compatibility of the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=getaddrinfo&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">getaddrinfo</span>(3)</span></a> +function on 64-bit architectures, including FreeBSD/amd64, FreeBSD/ia64, and +FreeBSD/sparc64.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=atrun&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">atrun</span>(8)</span></a> utility +has gained PAM support. Before running a job for a user account, it will check the +account status with PAM and refuse to run the job if the account is unavailable. The +default definition of an unavailable account includes those expired and administratively +locked out with <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pw&sektion=8&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">pw</span>(8)</span></a>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=camcontrol&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">camcontrol</span>(8)</span></a> +utility now supports a <tt class="COMMAND">readcap</tt> command to display the size of +devices. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cron&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cron</span>(8)</span></a> daemon +has gained PAM support. Before running a command from account's private <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=crontab&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">crontab</span>(5)</span></a> file, +it will check the account status with PAM and skip the command if the account is +unavailable. The default definition of an unavailable account includes those expired and +administratively locked out with <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pw&sektion=8&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">pw</span>(8)</span></a>. In addition, +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=cron&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">cron</span>(8)</span></a> will +skip commands from private <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=crontab&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">crontab</span>(5)</span></a> files +if a <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=nologin&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">nologin</span>(5)</span></a> file +exists, unless the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=crontab&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">crontab</span>(5)</span></a> +owner's login class is exempt from <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=nologin&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">nologin</span>(5)</span></a> +restriction. Commands from the system file <tt class="FILENAME">/etc/crontab</tt> are not +subject to the PAM check.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=dhclient&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">dhclient</span>(8)</span></a> +program now supports the Classless Static Route option as described in RFC 3442.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=dump&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">dump</span>(8)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=restore&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">restore</span>(8)</span></a> +programs now attempt to save and restore extended attribute information on files.</p> + +<p>A <b class="APPLICATION">libelf</b> library implementing the SVR4 <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=elf&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">elf</span>(3)</span></a> / <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gelf&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gelf</span>(3)</span></a> API for +manipulating ELF files has been added.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=fdisk&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">fdisk</span>(8)</span></a> program +now supports a <code class="OPTION">-p</code> flag to print the slice table in fdisk +configuration format. [MERGED]</p> + +<p>T/TCP support in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=finger&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">finger</span>(1)</span></a> (and +the <code class="OPTION">-T</code> flag used to enable it) has been removed.</p> + +<p>A bug in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=find&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">find</span>(1)</span></a> program +which prevents numeric arguments for <code class="OPTION">-user</code> and <code +class="OPTION">-group</code> from working as expected has been fixed.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">freebsd-update</span>(8)</span></a> command now supports an <tt +class="COMMAND">upgrade</tt> command to perform binary upgrades between different +versions of FreeBSD. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ftpd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ftpd</span>(8)</span></a> utility +now has support for RFC2389 (FEAT) and rudimentary support for RFC2640 (UTF8). The +RFC2640 support is optional and can be enabled using the new <code +class="OPTION">-8</code> flag. More information can be found in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ftpd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ftpd</span>(8)</span></a> manual +page. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gcc&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gcc</span>(1)</span></a> SSP +(Stack-Smashing Protector) support is now enabled by default.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gbde&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gbde</span>(8)</span></a> utility +now supports <code class="OPTION">-k</code> and <code class="OPTION">-K</code> options to +specify a key file in addition to a passphrase.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gpt&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gpt</span>(8)</span></a> utility +now supports setting GPT partition labels.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=gvinum&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">gvinum</span>(8)</span></a> +utility now supports the <tt class="COMMAND">resetconfig</tt> sub-command.</p> + +<p>An implementation of Generic Security Service API (GSS-API) version 2 and its C +binding described in RFC2743 and RFC2744 has been added. This is a new extensible GSS-API +layer which can support GSS-API plugins, similar to the Solaris implementation, and the +Kerberos 5 GSS mechanism has been rewritten as a plugin library for the new +implementation.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=hccontrol&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">hccontrol</span>(8)</span></a> +utility now supports HCI node autodetection.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=id&sektion=1&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">id</span>(1)</span></a> utility now +prints the effective user ID after the group ID.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ipfwpcap&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ipfwpcap</span>(8)</span></a> +utility has been added; it captures packets on a <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=divert&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">divert</span>(4)</span></a> socket +and writes them as <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pcap&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pcap</span>(3)</span></a> (also +known as <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tcpdump&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tcpdump</span>(1)</span></a>) +format data to a file or pipe. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=kdump&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">kdump</span>(1)</span></a> program +now supports printing flags in a system call argument by using symbol names.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=kenv&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">kenv</span>(1)</span></a> utility +now supports a <code class="OPTION">-q</code> flag to suppress warnings.</p> + +<p><a +href="http://www.FreeBSD.org/cgi/man.cgi?query=kgdb&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">kgdb</span>(1)</span></a> now +supports a <code class="OPTION">-w</code> option to open kmem-based targets in read-write +mode. This allows one to use kgdb on <tt class="FILENAME">/dev/mem</tt> and be able to +patch memory on a live system.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=libarchive&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">libarchive</span>(3)</span></a> +library now supports POSIX.1e-style Extended Attributes.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=libarchive&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">libarchive</span>(3)</span></a> +library now contains support for <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ar&sektion=1&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">ar</span>(1)</span></a>-style +archives.</p> + +<p>The <b class="APPLICATION">libc</b> library now includes initial implementation of +symbol maps and symbol version definitions.</p> + +<p>The <b class="APPLICATION">libedit</b> library has been updated from the NetBSD source +tree as of August 2005.</p> + +<p>The <b class="APPLICATION">libm</b> library now includes initial implementation of +symbol maps and symbol version definitions.</p> + +<p>A new <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=malloc&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">malloc</span>(3)</span></a> +implementation has been introduced. This implementation, sometimes referred to as +“jemalloc”, was designed to improve the performance of multi-threaded +programs, particularly on SMP systems, while preserving the performance of +single-threaded programs. Due to the use of different algorithms and data structures, +jemalloc may expose some previously-unknown bugs in userland code, although most of the +FreeBSD base system and common ports have been tested and/or fixed. Note that jemalloc +uses <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mmap&sektion=2&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mmap</span>(2)</span></a> to +obtain memory and only uses <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sbrk&sektion=2&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sbrk</span>(2)</span></a> under +limited circumstances (and then only for 32-bit architectures). As a result, the <tt +class="LITERAL">datasize</tt> resource limit has little practical effect for typical +applications. The <tt class="LITERAL">vmemoryuse</tt> resource limit, however, can be +used to bound the total virtual memory used by a process, as described in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=limits&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">limits</span>(1)</span></a>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mdconfig&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mdconfig</span>(8)</span></a> +utility now supports producing device listings formatted as XML. Currently, the <tt +class="COMMAND">list</tt> and <tt class="COMMAND">query</tt> sub-commands support this +feature.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mdconfig&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mdconfig</span>(8)</span></a> +utility's <code class="OPTION">-u</code> option now supports specifying multiple devices +separated by comma character.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mdmfs&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mdmfs</span>(8)</span></a> utility +now supports a <code class="OPTION">-P</code> flag to allow skipping the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=newfs&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">newfs</span>(8)</span></a> process +when using a vnode-backed disk.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mdmfs&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mdmfs</span>(8)</span></a> utility +now supports a <code class="OPTION">-E</code> flag to allow to specify location of the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mdconfig&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mdconfig</span>(8)</span></a> +utility instead of using the default one (<tt class="FILENAME">/sbin/mdconfig</tt>).</p> + +<p>A new function <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=memmem&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">memmem</span>(3)</span></a> has +been implemented in <tt class="FILENAME">libc</tt>. This is the binary equivalent to <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=strstr&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">strstr</span>(3)</span></a> and +found in <tt class="FILENAME">glibc</tt>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mount&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mount</span>(8)</span></a> <tt +class="LITERAL">dev</tt> and <tt class="LITERAL">nodev</tt> options have been +removed.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mount&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mount</span>(8)</span></a> utility +now supports <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mqueuefs&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mqueuefs</span>(5)</span></a>.</p> + +<p>A bug which prevents the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mount&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mount</span>(8)</span></a> utility +from converting a read-only mount to read-write via <tt class="COMMAND">mount -u -o +rw</tt>, has been fixed.</p> + +<p>A number of the file system-specific <tt class="COMMAND">mount_<tt +class="REPLACEABLE"><i>*</i></tt></tt> utilities have been removed, in favor of the more +general <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mount&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mount</span>(8)</span></a> command +with a <code class="OPTION">-t</code> option. Specifically, these commands are: <tt +class="COMMAND">mount_devfs</tt>, <tt class="COMMAND">mount_ext2fs</tt>, <tt +class="COMMAND">mount_fdescfs</tt>, <tt class="COMMAND">mount_linprocfs</tt>, <tt +class="COMMAND">mount_procfs</tt>, <tt class="COMMAND">mount_std</tt>, <tt +class="COMMAND">mount_linsysfs</tt>, <tt class="COMMAND">mount_reiserfs</tt>, and <tt +class="COMMAND">mount_umapfs</tt>.</p> + +<p>The mrouted(8) multicast routing daemon has been removed from the FreeBSD base system. +It implements the DVMRP multicast routing protocol, which has largely been replaced by +PIM in many multicast installations. The related map-mbone(8) and mrinfo(8) utilities +have also been removed. These programs are now available in the FreeBSD Ports Collection +as <a href="http://www.FreeBSD.org/cgi/url.cgi?ports/net/mrouted/pkg-descr"><tt +class="FILENAME">net/mrouted</tt></a>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=netstat&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">netstat</span>(1)</span></a> +utility now supports printing <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sctp&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sctp</span>(4)</span></a> protocol +statistics.</p> + +<p>The <tt class="FILENAME">/etc/nsswitch.conf</tt> file is now installed statically +instead of being generated on every reboot.</p> + +<p>The objformat(1) utility and getobjformat(3) library (the last remnants of a.out +object file support) have been removed.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pam_nologin&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pam_nologin</span>(8)</span></a> +module no longer provides an authentication function; instead it now provides an account +management function. Third-party files in <tt class="FILENAME">/usr/local/etc/pam.d</tt> +may need manual editing; specifically, lines in these files of the form:</p> + +<pre class="SCREEN"> +auth required pam_nologin.so no_warn +</pre> + +<br /> +<br /> +<p>These lines need to have the word <tt class="LITERAL">auth</tt> replaced with the word +<tt class="LITERAL">account</tt>.</p> + +<p><a +href="http://www.FreeBSD.org/cgi/man.cgi?query=nscd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">nscd</span>(8)</span></a> has been +added. It is a daemon that caches the results of nsswitch lookups (such as those to the +password, group, and services databases) for improved performance.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pkill&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pkill</span>(1)</span></a> utility +now supports a <code class="OPTION">-F</code> option which allows to restrict matches to +a process whose PID is stored in the pidfile file. When another new option <code +class="OPTION">-L</code> is also specified, the pidfile file must be locked with the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=flock&sektion=2&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">flock</span>(2)</span></a> syscall +or created with <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pidfile&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pidfile</span>(3)</span></a>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pkill&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pkill</span>(1)</span></a> utility +now supports a <code class="OPTION">-I</code> flag which works like <code +class="OPTION">-i</code> of <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rm&sektion=1&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">rm</span>(1)</span></a>. When this flag +is specified, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pkill&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pkill</span>(1)</span></a> will +ask for confirmation before sending a signal to each matching process.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pmcstat&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pmcstat</span>(8)</span></a> +program has seen several enhancements: It can now log over a network socket to a remote +host. The <code class="OPTION">-c</code> now takes a comma-seperated list of CPUs to +configure for PMC allocation. The <code class="OPTION">-t</code> option has been enhanced +to take a regular expression for selecting processes based on their command names. <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pmcstat&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pmcstat</span>(8)</span></a> now +allocates system PMCs on all CPUs by default, not just CPU 0.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=powerd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">powerd</span>(8)</span></a> +program now supports a <code class="OPTION">-P</code> option, which specifies a pidfile +to use.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pw&sektion=8&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">pw</span>(8)</span></a> program now +supports a <code class="OPTION">-M</code> option to set the permissions of a user's newly +created home directory. [MERGED]</p> + +<p>The DNS resolver library in FreeBSD's <b class="APPLICATION">libc</b> has been updated +to that from BIND 9.4.1.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rpcbind&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rpcbind</span>(8)</span></a> +program can now bind its TCP listening socket to an IP address other than INADDR_ANY +using the <code class="OPTION">-h</code> flag. The new <code class="OPTION">-6</code> +flag allows it to bind to IPv6 addresses only.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rpcgen&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rpcgen</span>(1)</span></a> +utility now generates headers and stub files that can be used with ANSI C compilers by +default.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rpc.lockd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rpc.lockd</span>(8)</span></a> and +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rpc.statd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rpc.statd</span>(8)</span></a> +programs now accept <code class="OPTION">-p</code> options to indicate which port they +should bind to. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rtld&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rtld</span>(1)</span></a> runtime +linker now supports ELF symbol versioning using GNU semantics. This implementation aims +to be compatible with symbol versioning support as implemented by GNU libc and documented +in <a href="http://people.redhat.com/~drepper/symbol-versioning" +target="_top">http://people.redhat.com/~drepper/symbol-versioning</a> and LSB 3.0. Also, +<code class="FUNCTION">dlvsym()</code> function has been added to allow lookups for a +specific version of a given symbol.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sa&sektion=8&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">sa</span>(8)</span></a> utility now +supports <code class="OPTION">-U</code> and <code class="OPTION">-P</code> flags. They +can be used to specify the per-user and per-process summary file location, +respectively.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sade&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sade</span>(8)</span></a> disk +partitioning and labeling utility has been added. This utility is based on the partition +editing bits of <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysinstall&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">sysinstall</span>(8)</span></a>.</p> + +<p>A bug in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sed&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sed</span>(1)</span></a> utility +which can cause incorrect calculation of pattern space length in some cases has been +fixed.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sed&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sed</span>(1)</span></a> utility +now supports case-insensitive pattern matching; this feature can be enabled by using the +<tt class="LITERAL">I</tt> flag after the closing delimiter for a regular expression.</p> + +<p>The behavior of the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=setenv&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">setenv</span>(3)</span></a> family +of library calls has been changed from the historic BSD API to the behavior mandated by +POSIX. As a result, several base system utility that relied on the old API have been +updated to track this change.</p> + +<p>The <code class="OPTION">-h</code> flag to <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=setfacl&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">setfacl</span>(1)</span></a> now +properly sets the ACL on a symbolic link, not the link target.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sockstat&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sockstat</span>(1)</span></a> +utility, which shows connected and listening network sockets, now supports a new <code +class="OPTION">-P</code> command-line option, which can be used to filter displayed +sockets by protocol name (as listed in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=protocols&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">protocols</span>(5)</span></a>).</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysctl</span>(8)</span></a> +utility now supports a <code class="OPTION">-q</code> flag to suppress a limited set of +warnings and errors.</p> + +<p>The version of tcpslice in the FreeBSD base system has been removed due to +obsolescence. A more up-to-date version can be found in the Ports Collection as <a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/net/tcpslice/pkg-descr"><tt +class="FILENAME">net/tcpslice</tt></a>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=time&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">time</span>(1)</span></a> utility +now prints the time that a given command has been running if sent a <tt +class="LITERAL">SIGINFO</tt> signal.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=top&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">top</span>(1)</span></a> program +now supports a <code class="OPTION">-a</code> flag to display process titles from their +argument vectors; this feature is useful for watching processes that change their titles +via <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=setproctitle&sektion=3&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">setproctitle</span>(3)</span></a>.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=top&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">top</span>(1)</span></a> program +now supports a <code class="OPTION">-j</code> flag to display the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=jail&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">jail</span>(8)</span></a> ID for +each process. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=touch&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">touch</span>(1)</span></a> utility +now supports a <code class="OPTION">-A</code> flag that allows the access and +modification times of a file to be adjusted by a specified value. [MERGED]</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=truss&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">truss</span>(1)</span></a> utility +now supports an <code class="OPTION">-s</code> flag for the same functionality as the +strace utility (<a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/devel/strace/pkg-descr"><tt +class="FILENAME">devel/strace</tt></a>).</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=truss&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">truss</span>(1)</span></a> utility +no longer depends on the availability of the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=procfs&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">procfs</span>(5)</span></a> file +system; it uses the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ptrace&sektion=2&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ptrace</span>(2)</span></a> +interface instead for controlling a traced process.</p> + +<p>[powerpc] The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=truss&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">truss</span>(1)</span></a> utility +now supports FreeBSD/powerpc.</p> + +<p>The usbd(8) utility has been removed. The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=devd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">devd</span>(8)</span></a> utility +and its configuration file now support functionality which is equivalent to it.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=uuidgen&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">uuidgen</span>(1)</span></a> +utility has been moved from <tt class="FILENAME">/usr/bin</tt> to <tt +class="FILENAME">/bin</tt>.</p> + +<p>The vnconfig(8) utility, which was long ago replaced by <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mdconfig&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mdconfig</span>(8)</span></a>, has +been removed.</p> + +<p>The wicontrol(8) utility has been removed. Configuration functions for <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wi&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">wi</span>(4)</span></a> interfaces +should be performed using <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ifconfig&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ifconfig</span>(8)</span></a>.</p> + +<p>The shared library version number of all libraries has been updated due to some +possible ABI changes. The libraries include: snmp_<tt class="REPLACEABLE"><i>*</i></tt>, +libdialog, libg2c, libobjc, libreadline, libregex, libstdc++, libkrb5, libalias, +libarchive, libbegemot, libbluetooth, libbsnmp, libbz2, libc_r, libcrypt, libdevstat, +libedit, libexpat, libfetch, libftpio, libgpib, libipsec, libkiconv, libmagic, libmp, +libncp, libncurses, libnetgraph, libngatm, libopie, libpam, libpthread, libradius, +libsdp, libsmb, libtacplus, libthr, libthread_db, libugidfw, libusbhid, libutil, libvgl, +libwrap, libypclnt, libm, libcrypto, libssh, and libssl.</p> + +<p>The <code class="FUNCTION">wcsdup()</code> function has been implemented. This +function is popular in Microsoft and GNU systems.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wlandebug&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">wlandebug</span>(8)</span></a> +utility has been added to the main FreeBSD source tree (it previously lived in a tools +area). It provides control over a number of types of debugging output in the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wlan&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">wlan</span>(4)</span></a> module +and related drivers, and can be useful for debugging wireless issues.</p> + +<p>The <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=wpa_passphrase&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">wpa_passphrase</span>(8)</span></a> utility has been added. It +generates a 256-bit pre-shared WPA key from an ASCII passphrase. [MERGED]</p> + +<div class="SECT3"> +<hr /> +<h4 class="SECT3"><a id="RC-SCRIPTS" name="RC-SCRIPTS">2.3.1 <tt +class="FILENAME">/etc/rc.d</tt> Scripts</a></h4> + +<p>The <tt class="FILENAME">ftpd</tt> script for stand-alone <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ftpd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ftpd</span>(8)</span></a> has been +added.</p> + +<p>The <tt class="FILENAME">gbde_swap</tt> script has been removed in favor a new <tt +class="FILENAME">encswap</tt> script which also supports <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=geli&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">geli</span>(8)</span></a> for swap +encryption.</p> + +<p>The <tt class="FILENAME">geli</tt> and <tt class="FILENAME">geli2</tt> scripts has +been added for <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=geli&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">geli</span>(8)</span></a> device +configuration on boot.</p> + +<p>The <tt class="FILENAME">ike</tt> script for IPsec IKE daemon has been removed because +no such daemon is included in the base system.</p> + +<p>The <tt class="FILENAME">mdconfig</tt> script to handle vnode backed <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=md&sektion=4&manpath=FreeBSD+7.0-RELEASE"><span + class="CITEREFENTRY"><span class="REFENTRYTITLE">md</span>(4)</span></a> devices has +been added. This is a replacement of the <tt class="FILENAME">ramdisk</tt> script, and +all of variables in <code class="VARNAME">ramdisk_*</code> have been changed to <code +class="VARNAME">mdconfig_*</code>. Also, two new <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=rc.conf&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">rc.conf</span>(5)</span></a> +variables <code class="VARNAME">mdconfig_<tt +class="REPLACEABLE"><i>*</i></tt>_files</code> and <code class="VARNAME">mdconfig_<tt +class="REPLACEABLE"><i>*</i></tt>_cmd</code> have been added. For example:</p> + +<pre class="PROGRAMLISTING"> +mdconfig_md0="-t malloc -s 10m" +mdconfig_md1="-t vnode -f /var/foo.img" +</pre> + +<p>The <tt class="FILENAME">rcconf.sh</tt> script in <tt class="FILENAME">/etc/rc.d</tt> +has been removed and a variable <code class="VARNAME">early_late_divider</code>, which +designates the script to separate the early and late stages of the boot process, has been +added.</p> + +<p>The <tt class="FILENAME">rc.initdiskless</tt> script now uses <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=tar&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">tar</span>(1)</span></a> instead +of <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pax&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pax</span>(1)</span></a> because +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pax&sektion=1&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pax</span>(1)</span></a> needs a +writable temporary directory that may not be available when this script runs.</p> + +<p>The <tt class="FILENAME">pccard</tt> script has been removed since OLDCARD is +deprecated.</p> + +<p>The <tt class="FILENAME">sendmail</tt> script no longer rebuilds the aliases database +if it is missing or older than the aliases file. [MERGED] If desired, set the new rc.conf +option <code class="VARNAME">sendmail_rebuild_aliases</code> to "YES" to restore that +functionality.</p> + +<p>The <code class="VARNAME">removable_interfaces</code> variable has been removed.</p> + +<p>A new keyword <tt class="LITERAL">NOAUTO</tt> in <code class="VARNAME">ifconfig_<tt +class="REPLACEABLE"><i>ifn</i></tt></code> has been added. This prevents configuration of +an interface at boot time or via <tt class="FILENAME">/etc/pccard_ether</tt>, and allows +<tt class="FILENAME">/etc/rc.d/netif</tt> to be used to start and stop an interface on a +purely manual basis.</p> + +<p>The <tt class="FILENAME">/etc/rc.d/nfslocking</tt> script has been deprecated and will +be removed in a future release. It has been replaced by the <tt +class="FILENAME">/etc/rc.d/lockd</tt> and <tt class="FILENAME">/etc/rc.d/statd</tt> +scripts. [MERGED]</p> +</div> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="CONTRIB" name="CONTRIB">2.4 Contributed Software</a></h3> + +<p><b class="APPLICATION">Intel ACPI-CA</b> has been updated to 20070320.</p> + +<p><b class="APPLICATION">awk</b> has been updated from the 24 April 2005 release to the +1 May 2007 release. [MERGED]</p> + +<p><b class="APPLICATION">BIND</b> has been updated from 9.3.3 to 9.4.2.</p> + +<p><b class="APPLICATION">BSNMPD</b> has been updated from 1.11 to 1.12.</p> + +<p><b class="APPLICATION">BZIP2</b> has been updated from 1.0.3 to 1.0.4. [MERGED]</p> + +<p>GNU <b class="APPLICATION">Diffutils</b> has been updated from 2.7 to 2.8.7. +[MERGED]</p> + +<p><b class="APPLICATION">DRM</b> has been updated to a snapshot from DRI CVS as of +20060517. [MERGED]</p> + +<p>The Forth Inspired Command Language (<b class="APPLICATION">FICL</b>) used in the boot +loader has been updated to 3.03.</p> + +<p><b class="APPLICATION">FILE</b> has been updated from 4.12 to 4.23.</p> + +<p><b class="APPLICATION">GCC</b> has been updated from 3.4.6 to 4.2.1.</p> + +<p><b class="APPLICATION">GNU Readline library</b> has been updated from 5.0 to 5.2 patch +2. [MERGED]</p> + +<p>The GNU version of <b class="APPLICATION">gzip</b> has been replaced with a modified +version of gzip ported from NetBSD. [MERGED]</p> + +<p><b class="APPLICATION">IPFilter</b> has been updated from 4.1.13 to 4.1.28. +[MERGED]</p> + +<p><b class="APPLICATION">less</b> has been updated from v394 to v416. [MERGED]</p> + +<p><b class="APPLICATION">libpcap</b> has been updated from 0.9.4 to 0.9.8.</p> + +<p><b class="APPLICATION">netcat</b> has been updated from the version included in +OpenBSD 3.9 to the version included in OpenBSD 4.1. [MERGED]</p> + +<p><b class="APPLICATION">OpenSSL</b> has been updated from 0.9.7e to 0.9.8e.</p> + +<p><b class="APPLICATION">ncurses</b> has been updated from 5.2-20020615 to 5.6-20061217. +ncurses now also has wide character support. [MERGED]</p> + +<p><b class="APPLICATION">hostapd</b> has been updated from version 0.3.9 to version +0.5.8.</p> + +<p><b class="APPLICATION">PF</b> has been updated from OpenBSD version 3.7 to OpenBSD +version 4.1. This update includes a number of functional enhancements. Two notable +changes are that <tt class="LITERAL">keep state</tt> is now the default behavior for +rules in <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=pf.conf&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">pf.conf</span>(5)</span></a> and +that <tt class="LITERAL">flags S/SA</tt> is now the default flags setting for TCP rules. +The options <tt class="LITERAL">no state</tt> and <tt class="LITERAL">flags any</tt> can +be used to disable stateful filtering or TCP flags checking, respectively.</p> + +<p><b class="APPLICATION">sendmail</b> has been updated from 8.13.8 to 8.14.2. +[MERGED]</p> + +<p><b class="APPLICATION">tcpdump</b> has been updated from 3.9.4 to 3.9.8.</p> + +<p>The timezone database has been updated from the <b class="APPLICATION">tzdata2006g</b> +release to the <b class="APPLICATION">tzdata2007k</b> release. [MERGED]</p> + +<p><b class="APPLICATION">tip</b> has been updated to a snapshot from OpenBSD as of +20060831.</p> + +<p>TrustedBSD <b class="APPLICATION">OpenBSM</b>, has been updated from version 1.0 alpha +12 to version 1.0.</p> + +<p><b class="APPLICATION">WPA Supplicant</b> has been updated from version 0.3.9 to +version 0.5.8.</p> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="PORTS" name="PORTS">2.5 Ports/Packages Collection +Infrastructure</a></h3> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="RELENG" name="RELENG">2.6 Release Engineering and +Integration</a></h3> + +<p>The default partition sizing algorithm of the <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysinstall&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysinstall</span>(8)</span></a> +utility has been changed.</p> + +<ul> +<li> +<p>On systems where the disk capacity is larger than (3 * RAMsize + 10GB), the default +sizes will now be as follows:</p> + +<div class="INFORMALTABLE"><a id="AEN1520" name="AEN1520"></a> +<table border="0" frame="void" class="CALSTABLE"> +<col width="1*" /> +<col width="2*" /> +<thead> +<tr> +<th>Partition</th> +<th>Size</th> +</tr> +</thead> + +<tbody> +<tr> +<td>swap</td> +<td>RAMsize * 2</td> +</tr> + +<tr> +<td><tt class="FILENAME">/</tt></td> +<td>512 MB</td> +</tr> + +<tr> +<td><tt class="FILENAME">/tmp</tt></td> +<td>512 MB</td> +</tr> + +<tr> +<td><tt class="FILENAME">/var</tt></td> +<td>1024 MB + RAMsize</td> +</tr> + +<tr> +<td><tt class="FILENAME">/usr</tt></td> +<td>the rest (8GB or more)</td> +</tr> +</tbody> +</table> +</div> +</li> + +<li> +<p>On systems where the disk capacity is larger than (RAMsize / 8 + 2 GB), the default +sizes will be in the following ranges, with space allocated proportionally:</p> + +<div class="INFORMALTABLE"><a id="AEN1550" name="AEN1550"></a> +<table border="0" frame="void" class="CALSTABLE"> +<col width="1*" /> +<col width="2*" /> +<thead> +<tr> +<th>Partition</th> +<th>Size</th> +</tr> +</thead> + +<tbody> +<tr> +<td>swap</td> +<td>from RAMsize / 8 to RAMsize * 2</td> +</tr> + +<tr> +<td><tt class="FILENAME">/</tt></td> +<td>from 256MB to 512MB</td> +</tr> + +<tr> +<td><tt class="FILENAME">/tmp</tt></td> +<td>from 128MB to 512MB</td> +</tr> + +<tr> +<td><tt class="FILENAME">/var</tt></td> +<td>from 128MB to 1024MB</td> +</tr> + +<tr> +<td><tt class="FILENAME">/usr</tt></td> +<td>from 1536MB to 8192MB</td> +</tr> +</tbody> +</table> +</div> +</li> + +<li> +<p>On systems with even less disk space, the existing behavior is not changed.</p> +</li> +</ul> + +<p>A new <tt class="LITERAL">showconfig</tt> target has been added in <tt +class="FILENAME">src/Makefile</tt> to show the build configuration of the FreeBSD source +tree.</p> + +<p>The <tt class="FILENAME">src.conf</tt> file, which contains settings that will apply +to every build involving the FreeBSD source tree, has been added. For details, see <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=build&sektion=7&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">build</span>(7)</span></a> and <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=src.conf&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">src.conf</span>(5)</span></a>.</p> + +<p>The supported version of the <b class="APPLICATION">GNOME</b> desktop environment (<a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/x11/gnome2/pkg-descr"><tt +class="FILENAME">x11/gnome2</tt></a>) has been updated from 2.16.1 to 2.20.1. +[MERGED]</p> + +<p>The supported version of the <b class="APPLICATION">KDE</b> desktop environment (<a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/x11/kde3/pkg-descr"><tt +class="FILENAME">x11/kde3</tt></a>) has been updated from 3.5.4 to 3.5.7. [MERGED]</p> + +<p>The supported version of the <b class="APPLICATION">Xorg</b> windowing system (<a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/x11/xorg/pkg-descr"><tt +class="FILENAME">x11/xorg</tt></a>) has been updated from 6.9.0 to 7.3.0. [MERGED]</p> + +<p>The default value of <code class="VARNAME">X11BASE</code> has been changed from <tt +class="FILENAME">/usr/X11R6</tt> to <tt class="FILENAME">/usr/local</tt>, the default +value of <code class="VARNAME">LOCALBASE</code>. [MERGED]</p> + +<p>The ISO images for FreeBSD are now sized for 700MB CDROM media. For most prior +versions of FreeBSD, they assumed 650MB CDROM media. [MERGED]</p> +</div> + +<div class="SECT2"> +<hr /> +<h3 class="SECT2"><a id="DOC" name="DOC">2.7 Documentation</a></h3> + +<p>Documentation of existing functionality has been improved by the addition of the +following manual pages: <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=acpi_sony&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">acpi_sony</span>(4)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=device_get_sysctl&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">device_get_sysctl</span>(9)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=ext2fs&sektion=5&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">ext2fs</span>(5)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=mca&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">mca</span>(8)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=nanobsd&sektion=8&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">nanobsd</span>(8)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_mss&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_mss</span>(4)</span></a>, <a +href="http://www.FreeBSD.org/cgi/man.cgi?query=snd_t4dwave&sektion=4&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">snd_t4dwave</span>(4)</span></a>, +<a +href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&sektion=9&manpath=FreeBSD+7.0-RELEASE"> +<span class="CITEREFENTRY"><span class="REFENTRYTITLE">sysctl</span>(9)</span></a>.</p> + +<p>Initial support for kernel subsystem API documentation generating framework using <a +href="http://www.FreeBSD.org/cgi/url.cgi?ports/devel/doxygen/pkg-descr"><tt +class="FILENAME">devel/doxygen</tt></a> has been added into <tt +class="FILENAME">src/sys/doc/subsys</tt>. To generate the API document, type <tt +class="COMMAND">make doxygen</tt> in <tt class="FILENAME">src/</tt> directory.</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>[i386, amd64] Beginning with FreeBSD 6.2-RELEASE, binary 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+7.0-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 or SMP +kernels 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+7.0-RELEASE"> +<span class="CITEREFENTRY"><span +class="REFENTRYTITLE">freebsd-update</span>(8)</span></a> utility requires that the host +being upgraded have 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+7.0-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="http://www.FreeBSD.org/snapshots/">http://www.FreeBSD.org/snapshots/</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>All users of FreeBSD 7-STABLE should subscribe to the <<a +href="mailto:current@FreeBSD.org">current@FreeBSD.org</a>> mailing list.</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> + |