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Glen Barber cd371b6c48 Regen after r286097. 
Sponsored by:	The FreeBSD Foundation
2015-07-31 00:00:05 +00:00

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<!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 http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /><title>FreeBSD 10.2-RELEASE Release Notes</title><link rel="stylesheet" type="text/css" href="docbook.css" /><link rev="made" href="mailto:doc@FreeBSD.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><meta name="description" content="The release notes for FreeBSD 10.2-RELEASE contain a summary of the changes made to the FreeBSD base system on the 10.2-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." /><script xmlns="" type="text/javascript" src="/layout/js/google.js"></script></head><body><div class="article"><div xmlns="" class="titlepage"><div><div><h1 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="idp60896624"></a>FreeBSD 10.2-RELEASE Release Notes</h1></div><div><div xmlns="http://www.w3.org/1999/xhtml" class="author"><h3 class="author"><span class="orgname">The FreeBSD Project</span></h3></div></div><div><p xmlns="http://www.w3.org/1999/xhtml" class="copyright">Copyright © 2015 The FreeBSD Documentation
Project</p></div><div><div xmlns="http://www.w3.org/1999/xhtml" class="legalnotice"><a id="trademarks"></a><p xmlns="http://www.w3.org/TR/xhtml1/transitional">FreeBSD is a registered trademark of
the FreeBSD Foundation. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">IBM, AIX, 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 xmlns="http://www.w3.org/TR/xhtml1/transitional">IEEE, POSIX, and 802 are registered
trademarks of Institute of Electrical and Electronics Engineers,
Inc. in the United States. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Intel, Celeron, Centrino, Core, 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 xmlns="http://www.w3.org/TR/xhtml1/transitional">SPARC, SPARC64, and
UltraSPARC are trademarks of SPARC International, Inc in the United
States and other countries. SPARC International, Inc owns all of the
SPARC trademarks and under licensing agreements allows the proper use
of these trademarks by its members. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">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 <span xmlns="http://www.w3.org/1999/xhtml" class="quote">&#8220;<span class="quote">&#8482;</span>&#8221;</span> or the
<span xmlns="http://www.w3.org/1999/xhtml" class="quote">&#8220;<span class="quote">®</span>&#8221;</span> symbol. </p></div></div><div>Last modified on 2015-07-30 by gjb.</div><div><div xmlns="http://www.w3.org/1999/xhtml" class="abstract"><div class="abstract-title">Abstract</div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The release notes for FreeBSD 10.2-RELEASE contain
a summary of the changes made to the FreeBSD base system on the
10.2-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></div><hr /></div><div class="toc"><div class="toc-title">Table of Contents</div><dl class="toc"><dt><span class="sect1"><a href="#intro">1. Introduction</a></span></dt><dt><span class="sect1"><a href="#upgrade">2. Upgrading from Previous Releases of FreeBSD</a></span></dt><dt><span class="sect1"><a href="#security-errata">3. Security and Errata</a></span></dt><dd><dl><dt><span class="sect2"><a href="#security">3.1. Security Advisories</a></span></dt><dt><span class="sect2"><a href="#errata">3.2. Errata Notices</a></span></dt></dl></dd><dt><span class="sect1"><a href="#userland">4. Userland</a></span></dt><dd><dl><dt><span class="sect2"><a href="#userland-config">4.1. Userland Configuration Changes</a></span></dt><dt><span class="sect2"><a href="#userland-programs">4.2. Userland Application Changes</a></span></dt><dt><span class="sect2"><a href="#userland-contrib">4.3. Contributed Software</a></span></dt><dt><span class="sect2"><a href="#userland-installer">4.4. Installation and Configuration Tools</a></span></dt><dt><span class="sect2"><a href="#userland-rc">4.5. <code class="filename">/etc/rc.d</code>
Scripts</a></span></dt><dt><span class="sect2"><a href="#userland-periodic">4.6. <code class="filename">/etc/periodic</code>
Scripts</a></span></dt><dt><span class="sect2"><a href="#userland-libraries">4.7. Runtime Libraries and API</a></span></dt><dt><span class="sect2"><a href="#userland-abi">4.8. ABI Compatibility</a></span></dt></dl></dd><dt><span class="sect1"><a href="#kernel">5. Kernel</a></span></dt><dd><dl><dt><span class="sect2"><a href="#kernel-bugfix">5.1. Kernel Bug Fixes</a></span></dt><dt><span class="sect2"><a href="#kernel-config">5.2. Kernel Configuration</a></span></dt><dt><span class="sect2"><a href="#kernel-sysctl">5.3. System Tuning and Controls</a></span></dt></dl></dd><dt><span class="sect1"><a href="#drivers">6. Devices and Drivers</a></span></dt><dd><dl><dt><span class="sect2"><a href="#drivers-device">6.1. Device Drivers</a></span></dt><dt><span class="sect2"><a href="#drivers-storage">6.2. Storage Drivers</a></span></dt><dt><span class="sect2"><a href="#drivers-network">6.3. Network Drivers</a></span></dt></dl></dd><dt><span class="sect1"><a href="#hardware">7. Hardware Support</a></span></dt><dd><dl><dt><span class="sect2"><a href="#hardware-support">7.1. Hardware Support</a></span></dt><dt><span class="sect2"><a href="#hardware-virtualization">7.2. Virtualization Support</a></span></dt><dt><span class="sect2"><a href="#hardware-arm">7.3. ARM Support</a></span></dt></dl></dd><dt><span class="sect1"><a href="#storage">8. Storage</a></span></dt><dd><dl><dt><span class="sect2"><a href="#storage-general">8.1. General Storage</a></span></dt><dt><span class="sect2"><a href="#storage-net">8.2. Networked Storage</a></span></dt><dt><span class="sect2"><a href="#storage-zfs">8.3. ZFS</a></span></dt><dt><span class="sect2"><a href="#storage-geom">8.4. geom(4)</a></span></dt></dl></dd><dt><span class="sect1"><a href="#boot">9. Boot Loader Changes</a></span></dt><dd><dl><dt><span class="sect2"><a href="#boot-loader">9.1. Boot Loader Changes</a></span></dt><dt><span class="sect2"><a href="#boot-menu">9.2. Boot Menu Changes</a></span></dt></dl></dd><dt><span class="sect1"><a href="#network">10. Networking</a></span></dt><dd><dl><dt><span class="sect2"><a href="#network-protocols">10.1. Network Procols</a></span></dt></dl></dd><dt><span class="sect1"><a href="#ports">11. Ports Collection and Package Infrastructure</a></span></dt><dd><dl><dt><span class="sect2"><a href="#ports-infrastructure">11.1. Infrastructure Changes</a></span></dt><dt><span class="sect2"><a href="#ports-packages">11.2. Packaging Changes</a></span></dt></dl></dd><dt><span class="sect1"><a href="#doc">12. Documentation</a></span></dt><dd><dl><dt><span class="sect2"><a href="#doc-sources">12.1. Documentation Source Changes</a></span></dt><dt><span class="sect2"><a href="#doc-toolchain">12.2. Documentation Toolchain Changes</a></span></dt></dl></dd><dt><span class="sect1"><a href="#releng">13. Release Engineering and Integration</a></span></dt><dd><dl><dt><span class="sect2"><a href="#releng-changes">13.1. Integration Changes</a></span></dt></dl></dd></dl></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="intro"></a>1. Introduction</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This document contains the release notes for FreeBSD
10.2-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 xmlns="http://www.w3.org/TR/xhtml1/transitional">This distribution of FreeBSD
10.2-RELEASE is a release distribution. It can be
found at <code xmlns="http://www.w3.org/1999/xhtml" class="uri"><a class="uri" href="https://www.FreeBSD.org/releases/" target="_top">https://www.FreeBSD.org/releases/</a></code> or
any of its mirrors. More information on obtaining this (or
other) release distributions of FreeBSD can be found in the
<a xmlns="http://www.w3.org/1999/xhtml" class="link" href="../../../../doc/en_US.ISO8859-1/books/handbook/mirrors.html" target="_top"><span class="quote">&#8220;<span class="quote">Obtaining
FreeBSD</span>&#8221;</span> appendix</a> to the <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="../../../../doc/en_US.ISO8859-1/books/handbook/" target="_top">FreeBSD
Handbook</a>. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">All users are encouraged to consult the release errata
before installing FreeBSD. The errata document is updated with
<span xmlns="http://www.w3.org/1999/xhtml" class="quote">&#8220;<span class="quote">late-breaking</span>&#8221;</span> 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
10.2-RELEASE can be found on the FreeBSD Web site. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This document describes the most user-visible new or changed
features in FreeBSD since 10.1-RELEASE. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Typical release note items document recent security
advisories issued after 10.1-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><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="upgrade"></a>2. Upgrading from Previous Releases of FreeBSD</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[amd64,i386] Binary upgrades between RELEASE versions
(and snapshots of the various security branches) are supported
using the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&amp;sektion=8"><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 <code xmlns="http://www.w3.org/1999/xhtml" class="filename">GENERIC</code> kernel distributed as
a part of an official FreeBSD release. The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">freebsd-update</span>(8)</span></a>
utility requires that the host being upgraded have Internet
connectivity. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Source-based upgrades (those based on recompiling the FreeBSD
base system from source code) from previous versions are
supported, according to the instructions in
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">/usr/src/UPDATING</code>. </p><div xmlns="" class="important"><h3 class="admontitle">Important: </h3><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Upgrading FreeBSD should only be attempted after
backing up <span xmlns="http://www.w3.org/1999/xhtml" class="emphasis"><em>all</em></span> data and configuration
files. </p></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="security-errata"></a>3. Security and Errata</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section lists the various Security Advisories and
Errata Notices since 10.1-RELEASE. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="security"></a>3.1. Security Advisories</h3></div></div></div><div class="informaltable"><table width="100%" border="0"><colgroup><col width="40%" /><col width="30%" /><col width="30%" /></colgroup><thead><tr><th>Advisory</th><th>Date</th><th>Topic</th></tr></thead><tbody><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-14:27.stdio.asc" target="_top">FreeBSD-SA-14:27.stdio</a></td><td>10 December 2014</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Buffer overflow in stdio </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-14:28.file.asc" target="_top">FreeBSD-SA-14:28.file</a></td><td>10 December 2014</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multiple vulnerabilities in <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=file&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">file</span>(1)</span></a>
and <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=libmagic&amp;sektion=3"><span class="citerefentry"><span class="refentrytitle">libmagic</span>(3)</span></a> </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-14:30.unbound.asc" target="_top">FreeBSD-SA-14:30.unbound</a></td><td>17 December 2014</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Remote denial of service
vulnerability </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-14:31.ntp.asc" target="_top">FreeBSD-SA-14:31.ntp</a></td><td>23 December 2014</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multiple vulnerabilities in NTP
suite </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:01.openssl.asc" target="_top">FreeBSD-SA-15:01.openssl</a></td><td>14 January 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multiple vulnerabilities in
OpenSSL </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:02.kmem.asc" target="_top">FreeBSD-SA-15:02.kmem</a></td><td>27 January 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">SCTP kernel memory corruption and
disclosure vulnerability </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:03.sctp.asc" target="_top">FreeBSD-SA-15:03.sctp</a></td><td>27 January 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">SCTP stream reset
vulnerability </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:04.igmp.asc" target="_top">FreeBSD-SA-15:04.igmp</a></td><td>25 February 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Integer overflow in IGMP protocol </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:06.openssl.asc" target="_top">FreeBSD-SA-15:06.openssl</a></td><td>19 March 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multiple vulnerabilities </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:07.ntp.asc" target="_top">FreeBSD-SA-15:07.ntp</a></td><td>7 April 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multiple vulnerabilities </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:08.bsdinstall.asc" target="_top">FreeBSD-SA-15:08.bsdinstall</a></td><td>7 April 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Insecure default GELI key file
permissions </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:09.ipv6.asc" target="_top">FreeBSD-SA-15:09.ipv6</a></td><td>7 April 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Router advertisement Denial of
Service </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:10.openssl.asc" target="_top">FreeBSD-SA-15:10.openssl</a></td><td>16 June 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multiple vulnerabilities </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:12.openssl.asc" target="_top">FreeBSD-SA-15:12.openssl</a></td><td>9 July 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">OpenSSL alternate chains certificate forgery
vulnerability (Note: This does not affect
FreeBSD 10.1-RELEASE) </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:13.tcp.asc" target="_top">FreeBSD-SA-15:13.tcp</a></td><td>21 July 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">resource exhaustion due to sessions stuck in
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">LAST_ACK</code> state. </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:14.bsdpatch.asc" target="_top">FreeBSD-SA-15:14.bsdpatch</a></td><td>28 July 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Shell injection vulnerability </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:15.tcp.asc" target="_top">FreeBSD-SA-15:15.tcp</a></td><td>28 July 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">resource exhaustion in <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">TCP</acronym>
reassembly </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-SA-15:16.openssh.asc" target="_top">FreeBSD-SA-15:16.openssh</a></td><td>28 July 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multiple vulnerabilities </p></td></tr></tbody></table></div></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="errata"></a>3.2. Errata Notices</h3></div></div></div><div class="informaltable"><table width="100%" border="0"><colgroup><col width="40%" /><col width="30%" /><col width="30%" /></colgroup><thead><tr><th>Errata</th><th>Date</th><th>Topic</th></tr></thead><tbody><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-14:13.freebsd-update.asc" target="_top">FreeBSD-EN-14:13.freebsd-update</a></td><td>23 December 2014</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Fixed directory deletion issue in
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">freebsd-update</span>(8)</span></a> </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:01.vt.asc" target="_top">FreeBSD-EN-15:01.vt</a></td><td>25 February 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional"><a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=vt&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">vt</span>(4)</span></a> crash with improper ioctl
parameters </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:02.openssl.asc" target="_top">FreeBSD-EN-15:02.openssl</a></td><td>25 February 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">OpenSSL update </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:03.freebsd-update.asc" target="_top">FreeBSD-EN-15:03.freebsd-update</a></td><td>25 February 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional"><a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">freebsd-update</span>(8)</span></a> updates libraries in
suboptimal order </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:04.freebsd-update.asc" target="_top">FreeBSD-EN-15:04.freebsd-update</a></td><td>13 May 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional"><a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">freebsd-update</span>(8)</span></a> does not ensure the
previous upgrade has completed </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:05.ufs.asc" target="_top">FreeBSD-EN-15:05.ufs</a></td><td>13 May 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Deadlock on reboot with UFS tuned with
SU+J </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:06.file.asc" target="_top">FreeBSD-EN-15:06.file</a></td><td>9 June 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multiple denial of service issues </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:07.zfs.asc" target="_top">FreeBSD-EN-15:07.zfs</a></td><td>9 June 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">ZFS reliability improvements </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:08.sendmail.asc" target="_top">FreeBSD-EN-15:08.sendmail</a></td><td>30 June 2015 (revised)</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Sendmail TLS/DH interoperability improvement </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:09.xlocale.asc" target="_top">FreeBSD-EN-15:09.xlocale</a></td><td>30 June 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Fix inconsistency between locale and rune locale states </p></td></tr><tr><td><a class="link" href="https://www.FreeBSD.org/security/advisories/FreeBSD-EN-15:10.iconv.asc" target="_top">FreeBSD-EN-15:10.iconv</a></td><td>30 June 2015</td><td><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Improved <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=iconv&amp;sektion=3"><span class="citerefentry"><span class="refentrytitle">iconv</span>(3)</span></a> UTF-7 support </p></td></tr></tbody></table></div></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="userland"></a>4. Userland</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section covers changes and additions to userland
applications, contributed software, and system utilities. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="userland-config"></a>4.1. Userland Configuration Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=termcap&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">termcap</span>(5)</span></a> file is installed
as-is from sources, instead of reordering, creating
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">/etc/termcap.db</code> by default, providing
a performance improvements to applications that use the
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=termcap&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">termcap</span>(5)</span></a> database, such as <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=vi&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">vi</span>(1)</span></a> and
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ncurses&amp;sektion=3"><span class="citerefentry"><span class="refentrytitle">ncurses</span>(3)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=276991">[r276991]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="userland-programs"></a>4.2. Userland Application Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new utility, <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=dpv&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">dpv</span>(1)</span></a>, has been
added to the base system, providing a <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=dialog&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">dialog</span>(1)</span></a>-style
progress view from one or more input streams. A corresponding
library, <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=dpv&amp;sektion=3"><span class="citerefentry"><span class="refentrytitle">dpv</span>(3)</span></a>, has also been added. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=275040">[r275040]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=elfdump&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">elfdump</span>(1)</span></a> utility has been
updated to support capability mode provided by
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=capsicum&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">capsicum</span>(4)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=275945">[r275945]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=fstyp&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">fstyp</span>(8)</span></a> utility has been added, which is used to
determine the filesystem on a specified device. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=277434">[r277434]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=mkimg&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">mkimg</span>(1)</span></a> utility has been updated to support the
<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">MBR</acronym> <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">EFI</acronym> partition
type. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=278968">[r278968]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A regression in the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=libarchive&amp;sektion=3"><span class="citerefentry"><span class="refentrytitle">libarchive</span>(3)</span></a>
library that would prevent a directory from being included in
the archive when <code xmlns="http://www.w3.org/1999/xhtml" class="literal">--one-file-system</code> is used
has been fixed. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=281044">[r281044]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new flag, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">-R</code>, has
been added to the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=netstat&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">netstat</span>(8)</span></a> utility, which is used to
dump <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">RSS</acronym>/flow information. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=281161">[r281161]</a><span class="contrib">
(Sponsored by
Limelight Networks)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ar&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">ar</span>(1)</span></a> utility has been updated to set
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">ARCHIVE_EXTRACT_SECURE_SYMLINKS</code> and
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">ARCHIVE_EXTRACT_SECURE_NODOTDOT</code> to disallow
directory traversal when extracting an archive, similar to
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=tar&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">tar</span>(1)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=281936">[r281936]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A race condition in <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=wc&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">wc</span>(1)</span></a> that
would cause final results to be sent to <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=stderr&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">stderr</span>(4)</span></a> when
receiving the <code xmlns="http://www.w3.org/1999/xhtml" class="literal">SIGINFO</code> signal has been
fixed. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=282278">[r282278]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">freebsd-update</span>(8)</span></a> utility has
been updated to prevent fetching updated binary patches when
a previous upgrade has not been thoroughly completed. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=282870">[r282870]</a><span class="contrib">
(Sponsored by
ScaleEngine, Inc.)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=uefisign&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">uefisign</span>(8)</span></a> utility has been added. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=282974">[r282974]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=chflags&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">chflags</span>(1)</span></a>, <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=chgrp&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">chgrp</span>(1)</span></a>,
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=chmod&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">chmod</span>(1)</span></a>, and <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=chown&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">chown</span>(8)</span></a> utilities now affect symbolic
links when the <code xmlns="http://www.w3.org/1999/xhtml" class="literal">-R</code> flag is specified, as
documented in <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=symlink&amp;sektion=7"><span class="citerefentry"><span class="refentrytitle">symlink</span>(7)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283875">[r283875]</a><span class="contrib">
(Sponsored by
Multiplay)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=date&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">date</span>(1)</span></a> utility has been
updated to print the modification time of the file passed as
an argument to the <code xmlns="http://www.w3.org/1999/xhtml" class="literal">-r</code> flag, improving
compatibility with the <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">GNU</acronym> <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=date&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">date</span>(1)</span></a>
utility behavior. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283258">[r283258]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new flag, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">-c</code>, has
been added to the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=mkimg&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">mkimg</span>(1)</span></a> utility, which allows
specifying the capacity of the target disk image. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284523">[r284523]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=pw&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">pw</span>(8)</span></a> utility has been updated
with a new flag, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">-R</code>, that sets the root
directory within which the utility will operate. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285092">[r285092]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="userland-contrib"></a>4.3. Contributed Software</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=resolvconf&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">resolvconf</span>(8)</span></a> utility has been updated to version
3.7.0. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=282746">[r282746]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=nc&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">nc</span>(1)</span></a> utility has been updated
to the OpenBSD 5.7 version. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283270">[r283270]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Timezone data files have been updated to
version 2015e. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284398">[r284398]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=acpi&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">acpi</span>(4)</span></a> subsystem has been
updated to version 20150515. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284460">[r284460]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=file&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">file</span>(1)</span></a> utility has been
updated to version 5.23. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284778">[r284778]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=unbound&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">unbound</span>(8)</span></a> utility has been
updated to version 1.5.3. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285206">[r285206]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <span xmlns="http://www.w3.org/1999/xhtml" class="application">sendmail</span>
utility has been updated to version 8.15.2. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285305">[r285305]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional"><span xmlns="http://www.w3.org/1999/xhtml" class="application">OpenSSL</span> has
been updated to version 1.0.1p. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285330">[r285330]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <span xmlns="http://www.w3.org/1999/xhtml" class="application">ntp</span>
suite has been updated to version 4.2.8p3. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285612">[r285612]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ssh&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">ssh</span>(1)</span></a> utility has been updated to re-implement hostname
canonicalization before locating the host in
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">known_hosts</code>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285750">[r285750]</a><span class="contrib">
(Sponsored by
Dell, Inc.)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=tar&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">tar</span>(1)</span></a> utility has been updated
to fix an issue that would prevent compressing sparse
files. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=286084">[r286084]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="userland-installer"></a>4.4. Installation and Configuration Tools</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Support for detecting and implementing
a workaround for various laptops and motherboards that do not
boot properly from <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">GPT</acronym>-partitioned disks
has been added to <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=bsdinstall&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">bsdinstall</span>(8)</span></a>. Additionally, the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">active</code> flag will be set on the partition
when needed. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285769">[r285769]</a><span class="contrib">
(Sponsored by
ScaleEngine, Inc.)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Support for detecting and implementing
aligning partitions on 1Mb boundaries has been added to
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=bsdinstall&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">bsdinstall</span>(8)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285721">[r285721]</a><span class="contrib">
(Sponsored by
ScaleEngine, Inc.)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Support for selecting the partitioning
scheme when installing on the <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">UFS</acronym>
filesystem has been added to <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=bsdinstall&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">bsdinstall</span>(8)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285769">[r285769]</a><span class="contrib">
(Sponsored by
ScaleEngine, Inc.)</span></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="userland-rc"></a>4.5. <code class="filename">/etc/rc.d</code>
Scripts</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=rc&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">rc</span>(8)</span></a> script,
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">growfs</code>, has been added, which will resize
the root filesystem on boot if <code xmlns="http://www.w3.org/1999/xhtml" class="filename">/firstboot</code>
exists. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284009">[r284009]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="userland-periodic"></a>4.6. <code class="filename">/etc/periodic</code>
Scripts</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=periodic&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">periodic</span>(8)</span></a> script,
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">510.status-world-kernel</code>, has been added,
which evaluates the running userland and kernel versions from
the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=uname&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">uname</span>(1)</span></a> <code xmlns="http://www.w3.org/1999/xhtml" class="literal">-U</code> and
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">-K</code> arguments, and prints an error if the
system userland and kernel are not in sync. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=277520">[r277520]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="userland-libraries"></a>4.7. Runtime Libraries and API</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new file configuration library,
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=figpar&amp;sektion=3"><span class="citerefentry"><span class="refentrytitle">figpar</span>(3)</span></a>, has been added to the base system. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=275040">[r275040]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=procctl&amp;sektion=2"><span class="citerefentry"><span class="refentrytitle">procctl</span>(2)</span></a> system call has been updated to include
a facility for non-<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=init&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">init</span>(8)</span></a> processes to be declared as
the reaper of child processes and their decendants. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=276686">[r276686]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=setmode&amp;sektion=3"><span class="citerefentry"><span class="refentrytitle">setmode</span>(3)</span></a> function has been
updated to consistently set <code xmlns="http://www.w3.org/1999/xhtml" class="literal">errno</code> on
failure. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=280392">[r280392]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="userland-abi"></a>4.8. ABI Compatibility</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <span xmlns="http://www.w3.org/1999/xhtml" class="trademark">Linux</span>® compatibility version has
been updated to <code xmlns="http://www.w3.org/1999/xhtml" class="literal">2.6.18</code>. The
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">compat.linux.osrelease</code> <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">sysctl</span>(8)</span></a> is
evaluated when building the <code xmlns="http://www.w3.org/1999/xhtml" class="filename">emulators/linux-c6</code> and related
ports. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=275807">[r275807]</a></p></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="kernel"></a>5. Kernel</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section covers changes to kernel configurations, system
tuning, and system control parameters that are not otherwise
categorized. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="kernel-bugfix"></a>5.1. Kernel Bug Fixes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A kernel panic triggered when destroying
a <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=vnet&amp;sektion=9"><span class="citerefentry"><span class="refentrytitle">vnet</span>(9)</span></a> <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=jail&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">jail</span>(8)</span></a> configured with <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=gif&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">gif</span>(4)</span></a> has
been fixed. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=276068">[r276068]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A kernel panic triggered when destroying
a <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=vnet&amp;sektion=9"><span class="citerefentry"><span class="refentrytitle">vnet</span>(9)</span></a> <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=jail&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">jail</span>(8)</span></a> configured with <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=gre&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">gre</span>(4)</span></a> has
been fixed. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284018">[r284018]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="kernel-config"></a>5.2. Kernel Configuration</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">PAE_TABLES</code> kernel configuration option has
been added for FreeBSD/i386, which instructs <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=pmap&amp;sektion=9"><span class="citerefentry"><span class="refentrytitle">pmap</span>(9)</span></a>
to use <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">PAE</acronym> format for page tables while
maintaining a 32-bit physical address size elsewhere in the
kernel. The use of this option can enhance application-level
security by enabling the creation of <span xmlns="http://www.w3.org/1999/xhtml" class="quote">&#8220;<span class="quote">no execute</span>&#8221;</span>
mappings on modern i386 processors. Unlike the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">PAE</code> option, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">PAE_TABLES</code>
preserves kernel binary interface (<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">KBI</acronym>)
compatibility with non-<code xmlns="http://www.w3.org/1999/xhtml" class="literal">PAE</code> kernels,
allowing non-<code xmlns="http://www.w3.org/1999/xhtml" class="literal">PAE</code> kernel modules and drivers
to work with a <code xmlns="http://www.w3.org/1999/xhtml" class="literal">PAE_TABLES</code>-enabled kernel.
Additionally, system limits are tuned for 4GB maximum
<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">RAM</acronym>, avoiding kernel virtual address space
(<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">KVA</acronym>) exhaustion. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=282065">[r282065]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <code xmlns="http://www.w3.org/1999/xhtml" class="literal">SIFTR</code> kernel
configuration has been added, allowing building <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=siftr&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">siftr</span>(4)</span></a>
statically into the kernel. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=282826">[r282826]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[amd64,i386] The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=nvd&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">nvd</span>(4)</span></a> and <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=nvme&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">nvme</span>(4)</span></a> drivers are
now included in the <code xmlns="http://www.w3.org/1999/xhtml" class="filename">GENERIC</code> kernel
configuration by default. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283076">[r283076]</a><span class="contrib">
(Sponsored by
Intel Corporation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] The arm boot loader,
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">ubldr</code>, is now relocatable. In addition,
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">ubldr.bin</code> is now created during build
time, which is a stripped binary with an entry point of
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">0</code>, providing the ability to specify the
load address by running <code xmlns="http://www.w3.org/1999/xhtml" class="literal">go
${loadaddr}</code> in
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">u-boot</code>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283505">[r283505]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] A new module for creating
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">rpi.dtb</code> has been added for the Raspberry
Pi. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284094">[r284094]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] The
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">rpi.dtb</code> module is now installed to
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">/boot/dtb/</code> by
default for the Raspberry Pi system. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284094">[r284094]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] A new module for creating
the <code xmlns="http://www.w3.org/1999/xhtml" class="filename">dtb</code> module for AM335x systems has
been added. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284096">[r284096]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new kernel configuration option,
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">EM_MULTIQUEUE</code>, has been added which enables
multi-queue support in the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=em&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">em</span>(4)</span></a> driver. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284522">[r284522]</a><span class="contrib">
(Sponsored by
Limelight Networks)</span></p><div xmlns="" class="note"><h3 class="admontitle">Note: </h3><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Multi-queue support in the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=em&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">em</span>(4)</span></a> driver is not
officially supported by <span xmlns="http://www.w3.org/1999/xhtml" class="trademark">Intel</span>®. </p></div></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="kernel-sysctl"></a>5.3. System Tuning and Controls</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Throttling via <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">ACPI</acronym>
and <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">P4TCC</acronym> via <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=device.hints&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">device.hints</span>(5)</span></a> have
been turned off by default. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=276986">[r276986]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=hwpmc&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">hwpmc</span>(4)</span></a> default and maximum callchain depths have been
increased. The default has been increased from 16 to 32, and
the maximum increased from 32 to 128. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=278982">[r278982]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=devfs&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">devfs</span>(5)</span></a> device filesystem has
been changed to update timestamps for read/write operations
using seconds precision. A new <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">sysctl</span>(8)</span></a>,
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">vfs.devfs.dotimes</code> has been added, which
when set to a non-zero value, enables default precision
timestamps for these operations. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=281255">[r281255]</a><span class="contrib">
(Sponsored by
iXsystems, The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <code xmlns="http://www.w3.org/1999/xhtml" class="literal">kern.osrelease</code>
and <code xmlns="http://www.w3.org/1999/xhtml" class="literal">kern.osreldate</code> are now configurable
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=jail&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">jail</span>(8)</span></a> parameters. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=280632">[r280632]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">sysctl</span>(8)</span></a>, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">kern.racct.enable</code>, has been
added, which when set to a non-zero value allows using
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=rctl&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">rctl</span>(8)</span></a> with the <code xmlns="http://www.w3.org/1999/xhtml" class="literal">GENERIC</code> kernel.
A new kernel configuration option,
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">RACCT_DISABLED</code> has also been added. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284665">[r284665]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">GENERIC</code> kernel configuration now includes
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">RACCT</code> and <code xmlns="http://www.w3.org/1999/xhtml" class="literal">RCTL</code> by
default. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284665">[r284665]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><div xmlns="" class="note"><h3 class="admontitle">Note: </h3><p xmlns="http://www.w3.org/TR/xhtml1/transitional">To enable <code xmlns="http://www.w3.org/1999/xhtml" class="literal">RACCT</code> and
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">RCTL</code> on a system using the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">GENERIC</code> kernel configuration, add
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">kern.racct.enable=1</code> to
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=loader.conf&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">loader.conf</span>(5)</span></a>, and reboot the system. </p></div></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="drivers"></a>6. Devices and Drivers</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section covers changes and additions to devices and
device drivers since 10.1-RELEASE. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="drivers-device"></a>6.1. Device Drivers</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <code xmlns="http://www.w3.org/1999/xhtml" class="literal">drm</code> code has
been updated to match <span xmlns="http://www.w3.org/1999/xhtml" class="trademark">Linux</span>® version 3.8.13. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=282199">[r282199]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=psm&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">psm</span>(4)</span></a> driver has been updated
to include improved support for newer Synaptics ®
touchpads and the ClickPad ® mouse on newer
Lenovo &#8482; laptops. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=281708">[r281708]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="drivers-storage"></a>6.2. Storage Drivers</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=hptnr&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">hptnr</span>(4)</span></a> driver has been
updated to version 1.1.1. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=281957">[r281957]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="drivers-network"></a>6.3. Network Drivers</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=pf&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">pf</span>(4)</span></a> interface default hash
has been changed from <code xmlns="http://www.w3.org/1999/xhtml" class="literal">Jenkins</code> to
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">Murmur3</code>, providing a 3-percent performance
increase in packets-per-second. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=274486">[r274486]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ral&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">ral</span>(4)</span></a> driver has been updated
to support the RT5390 and RT5392 chipsets. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=279157">[r279157]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=gre&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">gre</span>(4)</span></a> driver has been significantly overhauled, and has
been split into two separate modules, <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=gre&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">gre</span>(4)</span></a> and
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=me&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">me</span>(4)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284066">[r284066]</a><span class="contrib">
(Sponsored by
Yandex LLC)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=vxlan&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">vxlan</span>(4)</span></a> driver has been added,
which creates a virtual Layer 2 (Ethernet) network overlaid in
a Layer 3 (IP/UDP) network. The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=vxlan&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">vxlan</span>(4)</span></a> driver is
analogous to <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=vlan&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">vlan</span>(4)</span></a>, but is designed to be better suited
for large, multiple-tenant datacenter environments. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284365">[r284365]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=cdce&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">cdce</span>(4)</span></a> driver has been updated
to include support for the RTL8153 chipset. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284499">[r284499]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=sfxge&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">sfxge</span>(4)</span></a> driver has been
updated to support Solarflare Flareon Ultra 7000-series
chipsets. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284555">[r284555]</a><span class="contrib">
(Sponsored by
Solarflare Communications, Inc.)</span></p></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="hardware"></a>7. Hardware Support</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section covers general hardware support for physical
machines, hypervisors, and virtualization environments, as well
as hardware changes and updates that do not otherwise fit in
other sections of this document. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="hardware-support"></a>7.1. Hardware Support</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">  </p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="hardware-virtualization"></a>7.2. Virtualization Support</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=virtio_console&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">virtio_console</span>(4)</span></a> driver has
been added, which provides an interface to VirtIO console
devices through a <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=tty&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">tty</span>(4)</span></a> device. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=275273">[r275273]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=bhyve&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">bhyve</span>(8)</span></a> hypervisor has been
updated to support <span xmlns="http://www.w3.org/1999/xhtml" class="trademark">AMD</span>® processors with
<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">SVM</acronym> and <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">AMD-V</acronym> hardware
extensions. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=276403">[r276403]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=bhyve&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">bhyve</span>(8)</span></a> hypervisor has been
updated to support <code xmlns="http://www.w3.org/1999/xhtml" class="literal">DSM TRIM</code> commands for
virtual <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">AHCI</acronym> disks. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=280370">[r280370]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
Hyper-V&#8482; drivers have been updated with several
enhancements: <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283280">[r283280]</a><span class="contrib">
(Sponsored by
Microsoft Open Source Technology Center)</span></p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=hv_vmbus&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">hv_vmbus</span>(4)</span></a> driver now has multi-channel
support. </p></li><li class="listitem"><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=hv_storvsc&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">hv_storvsc</span>(4)</span></a> driver now has scatter/gather
support, in addition to performance improvements. </p></li><li class="listitem"><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=hv_kvp&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">hv_kvp</span>(4)</span></a> driver has received several bug
fixes. </p></li></ul></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=hv_netvsc&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">hv_netvsc</span>(4)</span></a> driver has been updated to support checksum
offloading and <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">TSO</acronym>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285236">[r285236]</a><span class="contrib">
(Sponsored by
Microsoft Open Source Technology Center)</span></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="hardware-arm"></a>7.3. ARM Support</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] Support to turn off the
BeagleBone Black system with the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=shutdown&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">shutdown</span>(8)</span></a>
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">-p</code> flag or by invoking <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=poweroff&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">poweroff</span>(8)</span></a> has
been added. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=278079">[r278079]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] Support for the Exynos 5420
Octa system has been added. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=278599">[r278599]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] The <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">SMP</acronym>
option has been enabled for all Exynos 5 systems supported by
FreeBSD. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=278599">[r278599]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <code xmlns="http://www.w3.org/1999/xhtml" class="literal">bcm2835_cpufreq</code>
driver has been added, which supports <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">CPU</acronym>
frequency and voltage control on the Raspberry Pi
<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">SOC</acronym>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=278608">[r278608]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] Support for the Toradex
Apalis i.MX6 development board has been added. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283500">[r283500]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] Audio transmission drivers
have been added for Digital Audio Multiplexer
(<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">AUDMUXM</acronym>), Smart Direct Memory Access
Controller (<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">SDMA</acronym>), and Syncronous Serial
Interface (<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">SSI</acronym>). <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283500">[r283500]</a></p></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="storage"></a>8. Storage</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section covers changes and additions to file systems
and other storage subsystems, both local and networked. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="storage-general"></a>8.1. General Storage</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ctl&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">ctl</span>(4)</span></a> <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">LUN</acronym> mapping has been rewritten,
replacing <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">iSCSI</acronym>-specific mapping mechanisms
with a new mechanism that works for any port. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=279002">[r279002]</a><span class="contrib">
(Sponsored by
iXsystems)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ctld&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">ctld</span>(8)</span></a> utility has been updated to allow controlling
non-<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">iSCSI</acronym> <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ctl&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">ctl</span>(4)</span></a> ports. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=279055">[r279055]</a><span class="contrib">
(Sponsored by
iXsystems)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=autofs&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">autofs</span>(5)</span></a> subsystem has been updated to include a new
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=auto_master&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">auto_master</span>(5)</span></a> map, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">-media</code>, which
allows automatically mounting removable media, such as
<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">CD</acronym> drives or <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">USB</acronym> flash
drives. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283223">[r283223]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=autofs&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">autofs</span>(5)</span></a> subsystem has been updated to include a new
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=auto_master&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">auto_master</span>(5)</span></a> map, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">-noauto</code>, which
handles <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=fstab&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">fstab</span>(5)</span></a> entries set to
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">noauto</code>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283242">[r283242]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="storage-net"></a>8.2. Networked Storage</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ctld&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">ctld</span>(8)</span></a> utility has been updated to include support for
registering <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">iSCSI</acronym> targets and portals on
<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">iSNS</acronym> servers. This provides a mechanism
which allows <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">iSCSI</acronym> initiators to find
targets and portals without requiring active
discovery. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=274939">[r274939]</a><span class="contrib">
(Sponsored by
iXsystems)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Support
for the <code xmlns="http://www.w3.org/1999/xhtml" class="literal">timeo</code>, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">actimeo</code>,
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">noac</code>, and <code xmlns="http://www.w3.org/1999/xhtml" class="literal">proto</code> options
have been added to <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=mount_nfs&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">mount_nfs</span>(8)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=275249">[r275249]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="storage-zfs"></a>8.3. ZFS</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new tunable,
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">vfs.zfs.spa_slop_shift</code>, has been added,
which controls how much space is reserved by default. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=275490">[r275490]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The <code xmlns="http://www.w3.org/1999/xhtml" class="literal">arc_meta_limit</code>
statistics are now visible through the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">kstat</code> <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">sysctl</span>(8)</span></a>. As a result of this
change, the <code xmlns="http://www.w3.org/1999/xhtml" class="literal">vfs.zfs.arc_meta_used</code>
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">sysctl</span>(8)</span></a> has been removed, and replaced with the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">kstat.zfs.misc.arcstats.arc_meta_used</code>
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">sysctl</span>(8)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=277583">[r277583]</a></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="storage-geom"></a>8.4. <a class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=geom&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">geom</span>(4)</span></a></h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ctl&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">ctl</span>(4)</span></a> subsystem has been updated, increasing the ports
limit from <code xmlns="http://www.w3.org/1999/xhtml" class="literal">128</code> to <code xmlns="http://www.w3.org/1999/xhtml" class="literal">256</code>,
and <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">LUN</acronym> limit from <code xmlns="http://www.w3.org/1999/xhtml" class="literal">256</code>
to <code xmlns="http://www.w3.org/1999/xhtml" class="literal">1024</code>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=275891">[r275891]</a><span class="contrib">
(Sponsored by
iXsystems)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Support for the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">apple-boot</code>, <code xmlns="http://www.w3.org/1999/xhtml" class="literal">apple-hfs</code>,
and <code xmlns="http://www.w3.org/1999/xhtml" class="literal">apple-ufs</code> <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">MBR</acronym>
partitioning schemes have been added to <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=gpart&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">gpart</span>(8)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=282861">[r282861]</a></p></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="boot"></a>9. Boot Loader Changes</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section covers the boot loader, boot menu, and other
boot-related changes. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="boot-loader"></a>9.1. Boot Loader Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Support for <code xmlns="http://www.w3.org/1999/xhtml" class="literal">bzipfs</code>
has been added to the <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">EFI</acronym> loader. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=281323">[r281323]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The boot loader has been updated to
support entering the <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">GELI</acronym> passphrase before
loading the kernel. To enable this behavior, add
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">geom_eli_passphrase_prompt="YES"</code> to
<a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=loader.conf&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">loader.conf</span>(5)</span></a>. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=281843">[r281843]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
memory test run at boot time on FreeBSD/amd64 platforms
has been disabled by default. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283262">[r283262]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">A new <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ttys&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">ttys</span>(5)</span></a> class,
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">3wire</code>, has been added. This is similar to
the existing terminal classes, but does not have a defined
baudrate. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283972">[r283972]</a></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[arm] The <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=ttys&amp;sektion=5"><span class="citerefentry"><span class="refentrytitle">ttys</span>(5)</span></a> file for FreeBSD/arm has been
updated to enable <code xmlns="http://www.w3.org/1999/xhtml" class="filename">ttyu1</code>,
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">ttyu2</code>, and <code xmlns="http://www.w3.org/1999/xhtml" class="filename">ttyu3</code> by
default, if the callin port is an active console port. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=284775">[r284775]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="boot-menu"></a>9.2. Boot Menu Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">  </p></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="network"></a>10. Networking</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section describes changes that affect networking in
FreeBSD. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="network-protocols"></a>10.1. Network Procols</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Support for <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">PLPMTUD</acronym>
blackhole detection (<acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">RFC</acronym> 4821) has been
added to the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=tcp&amp;sektion=4"><span class="citerefentry"><span class="refentrytitle">tcp</span>(4)</span></a> stack, disabled by default. New
control tunables have been added: <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=273838">[r273838]</a><span class="contrib">
(Sponsored by
Limelight Networks)</span></p><div class="informaltable"><table border="0"><colgroup><col /><col /></colgroup><thead><tr><th>Tunable</th><th>Description</th></tr></thead><tbody><tr><td><code class="literal">net.inet.tcp.pmtud_blackhole_detection</code></td><td>Enables or disables <acronym class="acronym">PLPMTUD</acronym>
blackhole detection</td></tr><tr><td><code class="literal">net.inet.tcp.pmtud_blackhole_mss</code></td><td><acronym class="acronym">MSS</acronym> to try for IPv4</td></tr><tr><td><code class="literal">net.inet.tcp.v6pmtud_blackhole_mss</code></td><td><acronym class="acronym">MSS to try for IPv6</acronym></td></tr></tbody></table></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">New monitoring <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=sysctl&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">sysctl</span>(8)</span></a>s haven been added: </p><div class="informaltable"><table border="0"><colgroup><col /><col /></colgroup><thead><tr><th>Tunable</th><th>Description</th></tr></thead><tbody><tr><td><code class="literal">net.inet.tcp.pmtud_blackhole_activated</code></td><td>Number of times the code was activated to attempt
downshifting the <acronym class="acronym">MSS</acronym></td></tr><tr><td><code class="literal">net.inet.tcp.pmtud_blackhole_min_activated</code></td><td>Number of times the blackhole
<acronym class="acronym">MSS</acronym> was used in an attempt to
downshift</td></tr><tr><td><code class="literal">net.inet.tcp.pmtud_blackhole_failed</code></td><td>Number of times that the blackhole failed to
connect after downshifting the
<acronym class="acronym">MSS</acronym></td></tr></tbody></table></div></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="ports"></a>11. Ports Collection and Package Infrastructure</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section covers changes to the FreeBSD Ports
Collection, package infrastructure, and package maintenance and
installation tools. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="ports-infrastructure"></a>11.1. Infrastructure Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">  </p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="ports-packages"></a>11.2. Packaging Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">  </p></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="doc"></a>12. Documentation</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section covers changes to the FreeBSD Documentation
Project sources and toolchain. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="doc-sources"></a>12.1. Documentation Source Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">  </p></div><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="doc-toolchain"></a>12.2. Documentation Toolchain Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">  </p></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="releng"></a>13. Release Engineering and Integration</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This section convers changes that are specific to the
FreeBSD Release Engineering processes. </p><div class="sect2"><div xmlns="" class="titlepage"><div><div><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="releng-changes"></a>13.1. Integration Changes</h3></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
Release Engineering build tools have been updated to support
building FreeBSD/arm images without external utilities for
supported boards where a corresponding
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">u-boot</code> port exists in the Ports
Collection. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283161">[r283161]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
FreeBSD/i386 memory stick installation images are now
created using the <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=mkimg&amp;sektion=1"><span class="citerefentry"><span class="refentrytitle">mkimg</span>(1)</span></a> utility, matching the way
the FreeBSD/amd64 images are created. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=283548">[r283548]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">The
default <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=pkg&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">pkg</span>(8)</span></a> repository set in
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">/etc/pkg/FreeBSD.conf</code> now defaults to
the <code xmlns="http://www.w3.org/1999/xhtml" class="literal">quarterly</code> package set. To use the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">latest</code> branch (as was the previous
default), the comment at the top of
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">/etc/pkg/FreeBSD.conf</code> explains how to
disable the default repository and specify an alternative
repository. <a href="http://svn.freebsd.org/viewvc/base?view=revision&amp;revision=285830">[r285830]</a><span class="contrib">
(Sponsored by
The FreeBSD Foundation)</span></p></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional" align="center"><small>This file, and other release-related documents,
can be downloaded from <a href="https://www.FreeBSD.org/releases/">https://www.FreeBSD.org/releases/</a>.</small></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional" align="center"><small>For questions about FreeBSD, read the
<a href="http://www.FreeBSD.org/docs.html">documentation</a> before
contacting &lt;<a href="mailto:questions@FreeBSD.org">questions@FreeBSD.org</a>&gt;.</small></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional" align="center"><small>All users of FreeBSD 10.2-STABLE should
subscribe to the &lt;<a href="mailto:stable@FreeBSD.org">stable@FreeBSD.org</a>&gt;
mailing list.</small></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional" align="center"><small>For questions about this documentation,
e-mail &lt;<a href="mailto:doc@FreeBSD.org">doc@FreeBSD.org</a>&gt;.</small></p></body></html>
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