]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - release/doc/en_US.ISO8859-1/relnotes/article.xml
Document r324380, cpucontrol(8) '-n' flag addition.
[FreeBSD/FreeBSD.git] / release / doc / en_US.ISO8859-1 / relnotes / article.xml
1 <?xml version="1.0" encoding="iso-8859-1"?>
2 <!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN"
3         "../../../share/xml/freebsd50.dtd" [
4 <!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent">
5  %release;
6 <!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent">
7  %sponsor;
8 <!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent">
9  %vendor;
10 <!ENTITY security SYSTEM "../../share/xml/security.xml">
11 <!ENTITY errata SYSTEM "../../share/xml/errata.xml">
12 ]>
13 <article xmlns="http://docbook.org/ns/docbook"
14   xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
15
16   <info>
17     <title>&os; &release.current; Release Notes</title>
18
19     <author>
20       <orgname>The &os; Project</orgname>
21     </author>
22
23     <pubdate>$FreeBSD$</pubdate>
24
25     <!-- Last rev: 288943 -->
26
27     <copyright>
28       <year>2017</year>
29       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
30         Project</holder>
31     </copyright>
32
33     <legalnotice xml:id="trademarks" role="trademarks">
34       &tm-attrib.freebsd;
35       &tm-attrib.ibm;
36       &tm-attrib.ieee;
37       &tm-attrib.intel;
38       &tm-attrib.sparc;
39       &tm-attrib.general;
40     </legalnotice>
41
42     <abstract>
43       <para>The release notes for &os; &release.current; contain
44         a summary of the changes made to the &os; base system on the
45         &release.branch; development line.  This document lists
46         applicable security advisories that were issued since the last
47         release, as well as significant changes to the &os; kernel and
48         userland.  Some brief remarks on upgrading are also
49         presented.</para>
50     </abstract>
51   </info>
52
53   <sect1 xml:id="intro">
54     <title>Introduction</title>
55
56     <para>This document contains the release notes for &os;
57       &release.current;.  It describes recently added, changed, or
58       deleted features of &os;.  It also provides some notes on
59       upgrading from previous versions of &os;.</para>
60
61     <para releasetype="current">The &release.type; distribution to
62       which these release notes apply represents the latest point
63       along the &release.branch; development branch since
64       &release.branch; was created.  Information regarding pre-built,
65       binary &release.type; distributions along this branch can be
66       found at <uri
67         xlink:href="&release.url;">&release.url;</uri>.</para>
68
69     <para releasetype="snapshot">The &release.type; distribution to
70       which these release notes apply represents a point along the
71       &release.branch; development branch between &release.prev; and
72       the future &release.next;.  Information regarding pre-built,
73       binary &release.type; distributions along this branch can be
74       found at <uri
75         xlink:href="&release.url;">&release.url;</uri>.</para>
76
77     <para releasetype="release">This distribution of &os;
78       &release.current; is a &release.type; distribution.  It can be
79       found at <uri xlink:href="&release.url;">&release.url;</uri> or
80       any of its mirrors.  More information on obtaining this (or
81       other) &release.type; distributions of &os; can be found in the
82       <link
83         xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
84           &os;</quote> appendix</link> to the <link
85         xlink:href="&url.books.handbook;/">&os;
86         Handbook</link>.</para>
87
88     <para>All users are encouraged to consult the release errata
89       before installing &os;.  The errata document is updated with
90       <quote>late-breaking</quote> information discovered late in the
91       release cycle or after the release.  Typically, it contains
92       information on known bugs, security advisories, and corrections
93       to documentation.  An up-to-date copy of the errata for &os;
94       &release.current; can be found on the &os; Web site.</para>
95
96     <para>This document describes the most user-visible new or changed
97       features in &os; since &release.prev;.  In general, changes
98       described here are unique to the &release.branch; branch unless
99       specifically marked as &merged; features.</para>
100
101     <para>Typical release note items document recent security
102       advisories issued after &release.prev;, new drivers or hardware
103       support, new commands or options, major bug fixes, or
104       contributed software upgrades.  They may also list changes to
105       major ports/packages or release engineering practices.  Clearly
106       the release notes cannot list every single change made to &os;
107       between releases; this document focuses primarily on security
108       advisories, user-visible changes, and major architectural
109       improvements.</para>
110   </sect1>
111
112   <sect1 xml:id="upgrade">
113     <title>Upgrading from Previous Releases of &os;</title>
114
115     <para arch="amd64,i386">Binary upgrades between RELEASE versions
116       (and snapshots of the various security branches) are supported
117       using the &man.freebsd-update.8; utility.  The binary upgrade
118       procedure will update unmodified userland utilities, as well as
119       unmodified GENERIC kernels distributed as a part of an official
120       &os; release.  The &man.freebsd-update.8; utility requires that
121       the host being upgraded have Internet connectivity.</para>
122
123     <para>Source-based upgrades (those based on recompiling the &os;
124       base system from source code) from previous versions are
125       supported, according to the instructions in
126       <filename>/usr/src/UPDATING</filename>.</para>
127
128     <important>
129       <para>Upgrading &os; should only be attempted after backing up
130         <emphasis>all</emphasis> data and configuration files.</para>
131     </important>
132   </sect1>
133
134   <sect1 xml:id="security-errata">
135     <title>Security and Errata</title>
136
137     <para>This section lists the various Security Advisories and
138       Errata Notices since &release.prev;.</para>
139
140     <sect2 xml:id="security">
141       <title>Security Advisories</title>
142
143       &security;
144     </sect2>
145
146     <sect2 xml:id="errata">
147       <title>Errata Notices</title>
148
149       &errata;
150     </sect2>
151   </sect1>
152
153   <sect1 xml:id="userland">
154     <title>Userland</title>
155
156     <para>This section covers changes and additions to userland
157       applications, contributed software, and system utilities.</para>
158
159     <sect2 xml:id="userland-config">
160       <title>Userland Configuration Changes</title>
161
162       <para>&nbsp;</para>
163     </sect2>
164
165     <sect2 xml:id="userland-programs">
166       <title>Userland Application Changes</title>
167
168       <para revision="321092">The &man.ln.1; utility has been updated
169         to correct the behavior of the <literal>-F</literal> flag by
170         unlinking an existing directory before creating a symbolic
171         link.</para>
172
173       <para revision="321241">The &man.crontab.1; utility has been
174         updated to include a new flag, <literal>-f</literal>, which
175         forces &man.crontab.5; removal when <literal>-r</literal> is
176         used non-interactively.</para>
177
178       <para revision="321262">The &man.newsyslog.8; utility has been
179         updated to support <acronym>RFC</acronym>5424-compliant
180         messages when rotating system logs.</para>
181
182       <para revision="321287" contrib="sponsor" sponsor="&gandi;">The
183         &man.sesutil.8; utility has been updated to include
184         &man.libxo.3; support in output.</para>
185
186       <para revision="321927">The &man.diskinfo.8; utility has been
187         updated to include two new flags, <literal>-s</literal> which
188         displays the disk identity (usually the serial number), and
189         <literal>-p</literal> which displays the physical path to the
190         disk in a storage controller.  The <literal>-s</literal> and
191         <literal>-p</literal> flags are mutually exclusive, and cannot
192         be used with any other flags.</para>
193
194       <para revision="321929">The &man.diskinfo.8; utility has also
195         been updated to include device model when the
196         <literal>-s</literal> flag is used.</para>
197
198       <para revision="322919">The &man.pw.8; utility has been updated
199         to properly handle empty secondary group lists as an argument
200         to the <literal>-G</literal> flag when using the
201         <literal>usermod</literal> subcommand.</para>
202
203       <para revision="324270">The &man.ps.1; utility has been updated
204         to reflect realtime and idle priorities in state flags.</para>
205
206       <para revision="324271">The &man.ps.1; utility has been updated
207         to display if a process is running with &man.capsicum.4;
208         capability mode, indicated by <literal>C</literal>.</para>
209
210       <para revision="324380">The &man.cpucontrol.8; utility has been
211         updated to include a new flag, <literal>-n</literal>, that
212         disables the default microcode update search path when
213         used.</para>
214
215       <para revision="325003" contrib="sponsor"
216         sponsor="&spectralogic;">The &man.diskinfo.8; utility has been
217         updated to display disk rotation rate and if
218         <acronym>TRIM</acronym>/<acronym>UNMAP</acronym> is supported
219         by the disk.</para>
220
221       <para revision="326848">The &man.pw.8; utility has been updated
222         to correct handling of account expiration periods.</para>
223
224       <para revision="328140">The &man.df.1; utility has been updated
225         to include the <literal>--si</literal> long option, which is
226         an alias to <literal>-H</literal>.</para>
227
228       <para revision="330694" contrib="sponsor"
229         sponsor="&dellemc;">The &man.pw.8; utility has been updated to
230         allow the <literal>@</literal> and <literal>!</literal>
231         characters in the <acronym>GECOS</acronym> field.</para>
232
233       <para revision="331471">The &man.ps.1; utility has been updated
234         to include a <literal>jail</literal>, which when used will
235         list the name of a &man.jail.8; instead of the numeric
236         ID.</para>
237
238       <para revision="331586" contrib="sponsor"
239         sponsor="&mellanox;">The &man.mlx5tool.8; utility has been
240         added, which is used to manage Connect-X&nbsp;4 and
241         Connect-X&nbsp;5 devices supported by &man.mlx5io.4;.</para>
242
243       <para revision="332126" contrib="sponsor"
244         sponsor="&netflix;">The &man.efibootmgr.8; utility has been
245         added, which is used to manipulate the <acronym>EFI</acronym>
246         boot manager.</para>
247     </sect2>
248
249     <sect2 xml:id="userland-contrib">
250       <title>Contributed Software</title>
251
252       <para revision="321303">The &man.libarchive.3; library has been
253         updated to version 3.3.2.</para>
254
255       <para revision="322172">The &man.libxo.3; library has been
256         updated to version 0.8.4.</para>
257
258       <para revision="322442"><application>Subversion</application>
259         has been updated to version 1.9.7.</para>
260
261       <para revision="328874">The &man.file.1; utility has been
262         updated to version 5.32.</para>
263
264       <para revision="323136"><application>OpenSSH</application> has
265         been updated to version 7.5p1.</para>
266
267       <para revision="324581">The &man.mandoc.1; utility has been
268         updated to version 1.14.3.</para>
269
270       <para revision="327234">The &man.tcpdump.1; utility has been
271         updated to version 4.9.2.</para>
272
273       <para revision="330106">The <acronym>NTP</acronym> utilities
274         have been updated to version 4.2.8p11.</para>
275
276       <para revision="330570">The &man.less.1; utility has been
277         updated to upstream version v530.</para>
278
279       <para revision="331246">The <application>bmake</application>
280         utility has been updated to upstream version 20180222.</para>
281
282       <para revision="331638"><application>OpenSSL</application> has
283         been updated to version 1.0.2o.</para>
284
285       <para revision="331662">Timezone data files have been updated to
286         version 2018d.</para>
287
288       <para revision="331838">The <application>clang</application>,
289         <application>llvm</application>,
290         <application>lld</application>,
291         <application>lldb</application>, and
292         <application>complier-rt</application> utilities as well as
293         <literal>libc++</literal> have been updated to upstream
294         version 6.0.0.</para>
295     </sect2>
296
297     <sect2 xml:id="userland-installer">
298       <title>Installation and Configuration Tools</title>
299
300       <para revision="322254" contrib="sponsor" sponsor="&ff;"
301         arch="&arch.arm64;">The &man.bsdinstall.8; installer has been
302         updated to default to <acronym>UEFI</acronym>-only
303         boot.</para>
304     </sect2>
305
306     <sect2 xml:id="userland-rc">
307       <title><filename class="directory">/etc/rc.d</filename>
308         Scripts</title>
309
310       <para>&nbsp;</para>
311     </sect2>
312
313     <sect2 xml:id="userland-periodic">
314       <title><filename class="directory">/etc/periodic</filename>
315         Scripts</title>
316
317       <para>&nbsp;</para>
318     </sect2>
319
320     <sect2 xml:id="userland-libraries">
321       <title>Runtime Libraries and API</title>
322
323       <para>&nbsp;</para>
324     </sect2>
325
326     <sect2 xml:id="userland-abi">
327       <title>ABI Compatibility</title>
328
329       <para>&nbsp;</para>
330     </sect2>
331
332     <sect2 xml:id="userland-debug">
333       <title>Userland Debugging</title>
334
335       <para>&nbsp;</para>
336     </sect2>
337   </sect1>
338
339   <sect1 xml:id="kernel">
340     <title>Kernel</title>
341
342     <para>This section covers changes to kernel configurations, system
343       tuning, and system control parameters that are not otherwise
344       categorized.</para>
345
346     <sect2 xml:id="kernel-general">
347       <title>General Kernel Changes</title>
348
349       <para>&nbsp;</para>
350     </sect2>
351
352     <sect2 xml:id="kernel-bugfix">
353       <title>Kernel Bug Fixes</title>
354
355       <para>&nbsp;</para>
356     </sect2>
357
358     <sect2 xml:id="kernel-config">
359       <title>Kernel Configuration</title>
360
361       <para>&nbsp;</para>
362     </sect2>
363
364     <sect2 xml:id="kernel-modules">
365       <title>Kernel Modules</title>
366
367       <para>&nbsp;</para>
368     </sect2>
369
370     <sect2 xml:id="kernel-sysctl">
371       <title>System Tuning and Controls</title>
372
373       <para>&nbsp;</para>
374     </sect2>
375   </sect1>
376
377   <sect1 xml:id="drivers">
378     <title>Devices and Drivers</title>
379
380     <para>This section covers changes and additions to devices and
381       device drivers since &release.prev;.</para>
382
383     <sect2 xml:id="drivers-device">
384       <title>Device Drivers</title>
385
386       <para revision="331586" contrib="sponsor"
387         sponsor="&mellanox;">The &man.mlx5io.4; driver has been added,
388         providing an interface to manage supported Connect-X&nbsp;4
389         and Connect-X&nbsp;5 network adapters.</para>
390     </sect2>
391
392     <sect2 xml:id="drivers-storage">
393       <title>Storage Drivers</title>
394
395       <para>&nbsp;</para>
396     </sect2>
397
398     <sect2 xml:id="drivers-network">
399       <title>Network Drivers</title>
400
401       <para>&nbsp;</para>
402     </sect2>
403   </sect1>
404
405   <sect1 xml:id="hardware">
406     <title>Hardware Support</title>
407
408     <para>This section covers general hardware support for physical
409       machines, hypervisors, and virtualization environments, as well
410       as hardware changes and updates that do not otherwise fit in
411       other sections of this document.</para>
412
413     <sect2 xml:id="hardware-support">
414       <title>Hardware Support</title>
415
416       <para revision="331500">Support for the TAIO
417         <acronym>USB</acronym> multi-protocol adapter
418         (<acronym>TUMPA</acronym>) has been added.</para>
419     </sect2>
420
421     <sect2 xml:id="hardware-virtualization">
422       <title>Virtualization Support</title>
423
424       <para revision="321413">Support for &man.virtio.console.4; has
425         been added to &man.bhyve.4;.</para>
426     </sect2>
427
428     <sect2 xml:id="hardware-arm">
429       <title>ARM Support</title>
430
431       <para>&nbsp;</para>
432     </sect2>
433   </sect1>
434
435   <sect1 xml:id="storage">
436     <title>Storage</title>
437
438     <para>This section covers changes and additions to file systems
439       and other storage subsystems, both local and networked.</para>
440
441     <sect2 xml:id="storage-general">
442       <title>General Storage</title>
443
444       <para>&nbsp;</para>
445     </sect2>
446
447     <sect2 xml:id="storage-net">
448       <title>Networked Storage</title>
449
450       <para>&nbsp;</para>
451     </sect2>
452
453     <sect2 xml:id="storage-zfs">
454       <title>ZFS</title>
455
456       <para>&nbsp;</para>
457     </sect2>
458
459     <sect2 xml:id="storage-geom">
460       <title><literal>geom(4)</literal></title>
461
462       <para>&nbsp;</para>
463     </sect2>
464   </sect1>
465
466   <sect1 xml:id="boot">
467     <title>Boot Loader Changes</title>
468
469     <para>This section covers the boot loader, boot menu, and other
470       boot-related changes.</para>
471
472     <sect2 xml:id="boot-loader">
473       <title>Boot Loader Changes</title>
474
475       <para revision="329114">The length of <acronym>GELI</acronym>
476         passphrases entered when booting a system with encrypted disks
477         is now hidden by default.  See the configuration options in
478         &man.geli.8; to restore the previous behavior.</para>
479     </sect2>
480
481     <sect2 xml:id="boot-menu">
482       <title>Boot Menu Changes</title>
483
484       <para>&nbsp;</para>
485     </sect2>
486   </sect1>
487
488   <sect1 xml:id="network">
489     <title>Networking</title>
490
491     <para>This section describes changes that affect networking in
492       &os;.</para>
493
494     <sect2 xml:id="network-general">
495       <title>General Network Changes</title>
496
497       <para>&nbsp;</para>
498     </sect2>
499
500     <sect2 xml:id="network-protocols">
501       <title>Network Protocols</title>
502
503       <para>&nbsp;</para>
504     </sect2>
505   </sect1>
506
507   <sect1 xml:id="ports">
508     <title>Ports Collection and Package Infrastructure</title>
509
510     <para>This section covers changes to the &os;&nbsp;Ports
511       Collection, package infrastructure, and package maintenance and
512       installation tools.</para>
513
514     <sect2 xml:id="ports-infrastructure">
515       <title>Infrastructure Changes</title>
516
517       <para>&nbsp;</para>
518     </sect2>
519
520     <sect2 xml:id="ports-packages ">
521       <title>Packaging Changes</title>
522
523       <para>&nbsp;</para>
524     </sect2>
525   </sect1>
526
527   <sect1 xml:id="doc">
528     <title>Documentation</title>
529
530     <para>This section covers changes to the &os;&nbsp;Documentation
531       Project sources and toolchain.</para>
532
533     <sect2 xml:id="doc-sources">
534       <title>Documentation Source Changes</title>
535
536       <para>&nbsp;</para>
537     </sect2>
538
539     <sect2 xml:id="doc-toolchain">
540       <title>Documentation Toolchain Changes</title>
541
542       <para>&nbsp;</para>
543     </sect2>
544   </sect1>
545
546   <sect1 xml:id="releng">
547     <title>Release Engineering and Integration</title>
548
549     <para>This section convers changes that are specific to the
550       &os;&nbsp;Release Engineering processes.</para>
551
552     <sect2 xml:id="releng-changes">
553       <title>Integration Changes</title>
554
555       <para revision="326892">Amazon&reg; EC2&trade; instances now
556         keep their clocks synchronized using the Amazon Time Sync
557         Service, the <acronym>NTP</acronym> service internal to the
558         EC2&trade; infrastructure.</para>
559     </sect2>
560   </sect1>
561 </article>