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5 %release;
6<!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent">
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11<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
12<info>
13  <title>&os; &release.current; Release Notes</title>
14
15  <author>
16    <orgname>The &os; Project</orgname>
17  </author>
18
19  <pubdate>$FreeBSD: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 270367 2014-08-22 20:32:09Z gjb $</pubdate>
20
21  <copyright>
22    <year>2000</year>
23    <year>2001</year>
24    <year>2002</year>
25    <year>2003</year>
26    <year>2004</year>
27    <year>2005</year>
28    <year>2006</year>
29    <year>2007</year>
30    <year>2008</year>
31    <year>2009</year>
32    <year>2010</year>
33    <year>2011</year>
34    <year>2012</year>
35    <year>2013</year>
36    <year>2014</year>
37    <holder role="mailto:doc@FreeBSD.org">The &os; Documentation Project</holder>
38  </copyright>
39
40  <legalnotice xml:id="trademarks" role="trademarks">
41    &tm-attrib.freebsd;
42    &tm-attrib.ibm;
43    &tm-attrib.ieee;
44    &tm-attrib.intel;
45    &tm-attrib.sparc;
46    &tm-attrib.general;
47  </legalnotice>
48
49  <abstract>
50    <para>The release notes for &os; &release.current; contain
51      a summary of the changes made to the &os; base system on the
52      &release.branch; development line.  This document lists
53      applicable security advisories that were issued since the last
54      release, as well as significant changes to the &os; kernel and
55      userland.  Some brief remarks on upgrading are also
56      presented.</para>
57  </abstract>
58</info>
59
60<sect1 xml:id="intro">
61  <title>Introduction</title>
62
63  <para>This document contains the release notes for &os;
64    &release.current;.  It describes recently added, changed, or
65    deleted features of &os;.  It also provides some notes on
66    upgrading from previous versions of &os;.</para>
67
68  <para releasetype="current">The &release.type; distribution to which
69    these release notes apply represents the latest point along the
70    &release.branch; development branch since &release.branch; was
71    created.  Information regarding pre-built, binary &release.type;
72    distributions along this branch can be found at <uri
73      xlink:href="&release.url;">&release.url;</uri>.</para>
74
75  <para releasetype="snapshot">The &release.type; distribution to
76    which these release notes apply represents a point along the
77    &release.branch; development branch between &release.prev; and the
78    future &release.next;.  Information regarding pre-built, binary
79    &release.type; distributions along this branch can be found at
80    <uri xlink:href="&release.url;">&release.url;</uri>.</para>
81
82  <para releasetype="release">This distribution of &os;
83    &release.current; is a &release.type; distribution.  It can be
84    found at <uri xlink:href="&release.url;">&release.url;</uri> or
85    any of its mirrors.  More information on obtaining this (or other)
86    &release.type; distributions of &os; can be found in the <link
87      xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
88	&os;</quote> appendix</link> to the <link
89      xlink:href="&url.books.handbook;/">&os; Handbook</link>.</para>
90
91  <para>All users are encouraged to consult the release errata before
92    installing &os;.  The errata document is updated with
93    <quote>late-breaking</quote> information discovered late in the
94    release cycle or after the release.  Typically, it contains
95    information on known bugs, security advisories, and corrections to
96    documentation.  An up-to-date copy of the errata for &os;
97    &release.current; can be found on the &os; Web site.</para>
98</sect1>
99
100<sect1 xml:id="new">
101  <title>What's New</title>
102
103  <para>This section describes the most user-visible new or changed
104    features in &os; since &release.prev;.</para>
105
106  <para>Typical release note items document recent security advisories
107    issued after &release.prev;, new drivers or hardware support, new
108    commands or options, major bug fixes, or contributed software
109    upgrades.  They may also list changes to major ports/packages or
110    release engineering practices.  Clearly the release notes cannot
111    list every single change made to &os; between releases; this
112    document focuses primarily on security advisories, user-visible
113    changes, and major architectural improvements.</para>
114
115  <sect2 xml:id="security">
116    <title>Security Advisories</title>
117
118    <para>&nbsp;</para>
119
120  </sect2>
121
122  <sect2 xml:id="kernel">
123    <title>Kernel Changes</title>
124
125    <para revision="260338">The <literal>vfs.zfs.zio.use_uma</literal>
126      &man.sysctl.8; has been re-enabled.  On multi-CPU machines with
127      enough RAM, this can easily double &man.zfs.8; performance or
128      reduce CPU usage in half.  It was originally disabled due to
129      memory and <acronym>KVA</acronym> exhaustion problem reports,
130      which should be resolved due to several change in the VM
131      subsystem.</para>
132
133    <para revision="260385" contrib="sponsor" sponsor="&ix;">The
134      &man.geom.4; RAID driver has been
135      updated to support unmapped I/O.</para>
136
137    <para revision="260431">A new &man.sysctl.8;,
138      <literal>kern.panic_reboot_wait_time</literal>, has been added,
139      which allows controlling how long the system will wait after
140      &man.panic.9; before rebooting.</para>
141
142    <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
143      &man.mpr.4; device has been added,
144      providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
145      controllers.</para>
146
147    <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
148      &man.mrsas.4; driver has been added,
149      providing support for LSI MegaRAID SAS controllers.  The
150      &man.mfi.4; driver will attach to the controller, by default.
151      To enable &man.mrsas.4; add
152      <literal>hw.mfi.mrsas_enable=1</literal> to
153      <filename>/boot/loader.conf</filename>, which turns off
154      &man.mfi.4; device probing.</para>
155
156    <note>
157      <para>At this time, the &man.mfiutil.8; utility and
158	the &os; version of
159	<application>MegaCLI</application> and
160	<application>StorCli</application> do not work with
161	&man.mrsas.4;.</para>
162    </note>
163
164    <para revision="266165">A kernel bug that inhibited proper
165      functionality of the <literal>dev.cpu.0.freq</literal>
166      &man.sysctl.8; on &intel; processors with Turbo
167      Boost&nbsp;&trade; enabled has been fixed.</para>
168
169    <sect3 xml:id="kernel-virtualization">
170      <title>Virtualization support</title>
171
172      <para revision="259450">Support for &microsoft; Hyper-V
173	has been added to &os;/i386 as loadable modules, however
174	not available in the <filename>GENERIC</filename> kernel
175	configuration.</para>
176    </sect3>
177
178    <sect3 xml:id="kernel-arm">
179      <title>ARM support</title>
180
181      <para revision="259355">The <filename>WANDBOARD</filename>
182	kernel configuration file has been added.</para>
183
184    </sect3>
185
186    <sect3 xml:id="boot">
187      <title>Boot Loader Changes</title>
188
189      <para>&nbsp;</para>
190
191    </sect3>
192
193    <sect3 xml:id="proc">
194      <title>Hardware Support</title>
195
196      <para>&nbsp;</para>
197
198      <sect4 xml:id="mm">
199	<title>Multimedia Support</title>
200
201	<para>&nbsp;</para>
202
203      </sect4>
204
205      <sect4 xml:id="net-if">
206	<title>Network Interface Support</title>
207
208	<para revision="259453">Support for Ralink RT5370 and
209	  RT5372 chipsets has been added.</para>
210      </sect4>
211    </sect3>
212
213    <sect3 xml:id="net-proto">
214      <title>Network Protocols</title>
215
216      <para>&nbsp;</para>
217
218    </sect3>
219
220    <sect3 xml:id="disks">
221      <title>Disks and Storage</title>
222
223      <para revision="259328" contrib="sponsor"
224	sponsor="&ff;">The &man.geom.8; <literal>label</literal> class
225	is now aware of resized partitions.  This corrects an issue
226	where <command>geom resize</command> would resize the
227	partition, but the label provider in <filename
228	  class="directory">/dev/gptid/</filename> would not be
229	resized.</para>
230
231      <para revision="268091">Support for the
232	<literal>disklabel64</literal> partitioning scheme has been
233	added to &man.gpart.8;.</para>
234    </sect3>
235
236    <sect3 xml:id="fs">
237      <title>File Systems</title>
238
239      <para>&nbsp;</para>
240
241    </sect3>
242  </sect2>
243
244  <sect2 xml:id="userland">
245    <title>Userland Changes</title>
246
247    <para revision="260177" contrib="sponsor"
248      sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
249      <literal>-b</literal>, which outputs the existing buses and
250      their parents.</para>
251
252    <para revision="266279">The &man.ps.1; utility has been
253      updated to include the <literal>-J</literal> flag, used to
254      filter output by matching &man.jail.8; IDs and names.
255      Additionally, argument <literal>0</literal> can be used to
256      <literal>-J</literal> to only list processes running on the
257      host system.</para>
258
259    <para revision="266280">The &man.top.1; utility has been updated
260      to filter by &man.jail.8; ID or name, in followup to the
261      &man.ps.1; change in <literal>r265229</literal>.</para>
262
263    <para revision="266890">The &man.pmcstat.8; utility has been
264      updated to include a new flag, <literal>-l</literal>, which
265      ends event collection after the specified number of
266      seconds.</para>
267
268    <para revision="267113">The default &man.newsyslog.conf.5; now
269      includes files in the
270      <filename>/etc/newsyslog.conf.d/</filename> and
271      <filename>/usr/local/etc/newsyslog.conf.d/</filename>
272      directories by default for &man.newsyslog.8;.</para>
273
274    <para revision="267236">A new flag, <quote>onifconsole</quote> has
275      been added to <filename>/etc/ttys</filename>.  This allows the
276      system to provide a login prompt via serial console if the
277      device is an active kernel console, otherwise it is equivalent
278      to <literal>off</literal>.</para>
279
280    <para revision="268161">The &man.mkimg.1; utility has been merged
281      from &os;-CURRENT.</para>
282
283    <sect3 xml:id="rc-scripts">
284      <title><filename>/etc/rc.d</filename> Scripts</title>
285
286      <para>&nbsp;</para>
287
288    </sect3>
289  </sect2>
290
291  <sect2 xml:id="contrib">
292    <title>Contributed Software</title>
293
294    <para revision="264377"><application>OpenSSH</application> has
295      been updated to version 6.6p1.</para>
296
297    <para revision="266692"><application>Sendmail</application>
298      has been updated to 8.14.9.</para>
299
300    <para revision="267258"><application>OpenSSL</application> has
301      been updated to version 1.0.1h.</para>
302  </sect2>
303
304  <sect2 xml:id="ports">
305    <title>Ports/Packages Collection Infrastructure</title>
306
307    <para>&nbsp;</para>
308
309  </sect2>
310
311  <sect2 xml:id="releng">
312    <title>Release Engineering and Integration</title>
313
314    <para>&nbsp;</para>
315
316  </sect2>
317
318  <sect2 xml:id="doc">
319    <title>Documentation</title>
320
321    <para>&nbsp;</para>
322
323  </sect2>
324</sect1>
325
326<sect1 xml:id="upgrade">
327  <title>Upgrading from Previous Releases of &os;</title>
328
329  <para arch="amd64,i386">Binary upgrades between RELEASE versions
330    (and snapshots of the various security branches) are supported
331    using the &man.freebsd-update.8; utility.  The binary upgrade
332    procedure will update unmodified userland utilities, as well as
333    unmodified GENERIC or SMP kernels distributed as a part of an
334    official &os; release.  The &man.freebsd-update.8; utility
335    requires that the host being upgraded have Internet
336    connectivity.</para>
337
338  <para>Source-based upgrades (those based on recompiling the &os;
339    base system from source code) from previous versions are
340    supported, according to the instructions in
341    <filename>/usr/src/UPDATING</filename>.</para>
342
343  <important>
344    <para>Upgrading &os; should only be attempted after
345      backing up <emphasis>all</emphasis> data and configuration
346      files.</para>
347  </important>
348</sect1>
349</article>
350