article.xml revision 285961
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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: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 285961 2015-07-28 15:03:56Z gjb $</pubdate>
24
25    <!-- Last rev: 284813 -->
26
27    <copyright>
28      <year>2015</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;.</para>
98
99    <para>Typical release note items document recent security
100      advisories issued after &release.prev;, new drivers or hardware
101      support, new commands or options, major bug fixes, or
102      contributed software upgrades.  They may also list changes to
103      major ports/packages or release engineering practices.  Clearly
104      the release notes cannot list every single change made to &os;
105      between releases; this document focuses primarily on security
106      advisories, user-visible changes, and major architectural
107      improvements.</para>
108  </sect1>
109
110  <sect1 xml:id="upgrade">
111    <title>Upgrading from Previous Releases of &os;</title>
112
113    <para arch="amd64,i386">Binary upgrades between RELEASE versions
114      (and snapshots of the various security branches) are supported
115      using the &man.freebsd-update.8; utility.  The binary upgrade
116      procedure will update unmodified userland utilities, as well as
117      unmodified <filename>GENERIC</filename> kernel distributed as
118      a part of an official &os; release.  The &man.freebsd-update.8;
119      utility requires that the host being upgraded have Internet
120      connectivity.</para>
121
122    <para>Source-based upgrades (those based on recompiling the &os;
123      base system from source code) from previous versions are
124      supported, according to the instructions in
125      <filename>/usr/src/UPDATING</filename>.</para>
126
127    <important>
128      <para>Upgrading &os; should only be attempted after
129	backing up <emphasis>all</emphasis> data and configuration
130	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 revision="276991">The &man.termcap.5; file is installed
163	as-is from sources, instead of reordering, creating
164	<filename>/etc/termcap.db</filename> by default, providing
165	a performance improvements to applications that use the
166	&man.termcap.5; database, such as &man.vi.1; and
167	&man.ncurses.3;.</para>
168    </sect2>
169
170    <sect2 xml:id="userland-programs">
171      <title>Userland Application Changes</title>
172
173      <para revision="275040">A new utility, &man.dpv.1;, has been
174	added to the base system, providing a &man.dialog.1;-style
175	progress view from one or more input streams.  A corresponding
176	library, &man.dpv.3;, has also been added.</para>
177
178      <para revision="275945">The &man.elfdump.1; utility has been
179	updated to support capability mode provided by
180	&man.capsicum.4;.</para>
181
182      <para revision="277434" contrib="sponsor" sponsor="&ff;">The
183	&man.fstyp.8; utility has been added, which is used to
184	determine the filesystem on a specified device.</para>
185
186      <para revision="278968" contrib="sponsor" sponsor="&ff;">The
187	&man.mkimg.1; utility has been updated to support the
188	<acronym>MBR</acronym> <acronym>EFI</acronym> partition
189	type.</para>
190
191      <para revision="281044">A regression in the &man.libarchive.3;
192	library that would prevent a directory from being included in
193	the archive when <literal>--one-file-system</literal> is used
194	has been fixed.</para>
195
196      <para revision="281161" contrib="sponsor"
197	sponsor="&limelight;">A new flag, <literal>-R</literal>, has
198	been added to the &man.netstat.8; utility, which is used to
199	dump <acronym>RSS</acronym>/flow information.</para>
200
201      <para revision="281936" contrib="sponsor" sponsor="&ff;">The
202	&man.ar.1; utility has been updated to set
203	<literal>ARCHIVE_EXTRACT_SECURE_SYMLINKS</literal> and
204	<literal>ARCHIVE_EXTRACT_SECURE_NODOTDOT</literal> to disallow
205	directory traversal when extracting an archive, similar to
206	&man.tar.1;.</para>
207
208      <para revision="282278">A race condition in &man.wc.1; that
209	would cause final results to be sent to &man.stderr.4; when
210	receiving the <literal>SIGINFO</literal> signal has been
211	fixed.</para>
212
213      <para revision="282870" contrib="sponsor"
214	sponsor="&scaleengine;">The &man.freebsd-update.8; utility has
215	been updated to prevent fetching updated binary patches when
216	a previous upgrade has not been thoroughly completed.</para>
217
218      <para revision="282974" contrib="sponsor" sponsor="&ff;">The
219	&man.uefisign.8; utility has been added.</para>
220
221      <para revision="283875" contrib="sponsor"
222	sponsor="&multiplay;">The &man.chflags.1;, &man.chgrp.1;,
223	&man.chmod.1;, and &man.chown.8; utilities now affect symbolic
224	links when the <literal>-R</literal> flag is specified, as
225	documented in &man.symlink.7;.</para>
226
227      <para revision="283258">The &man.date.1; utility has been
228	updated to print the modification time of the file passed as
229	an argument to the <literal>-r</literal> flag, improving
230	compatibility with the <acronym>GNU</acronym> &man.date.1;
231	utility behavior.</para>
232
233      <para revision="284523">A new flag, <literal>-c</literal>, has
234	been added to the &man.mkimg.1; utility, which allows
235	specifying the capacity of the target disk image.</para>
236
237      <para revision="285092">The &man.pw.8; utility has been updated
238	with a new flag, <literal>-R</literal>, that sets the root
239	directory within which the utility will operate.</para>
240    </sect2>
241
242    <sect2 xml:id="userland-contrib">
243      <title>Contributed Software</title>
244
245      <para revision="282746" contrib="sponsor" sponsor="&ff;">The
246	&man.resolvconf.8; utility has been updated to version
247	3.7.0.</para>
248
249      <para revision="283270">The &man.nc.1; utility has been updated
250	to the OpenBSD 5.7 version.</para>
251
252      <para revision="284398">Timezone data files have been updated to
253	version 2015e.</para>
254
255      <para revision="284460">The &man.acpi.4; subsystem has been
256	updated to version 20150515.</para>
257
258      <para revision="284778">The &man.file.1; utility has been
259	updated to version 5.23.</para>
260
261      <para revision="285206">The &man.unbound.8; utility has been
262	updated to version 1.5.3.</para>
263
264      <para revision="285305">The <application>sendmail</application>
265	utility has been updated to version 8.15.2.</para>
266
267      <para revision="285330"><application>OpenSSL</application> has
268	been updated to version 1.0.1p.</para>
269
270      <para revision="285612">The <application>ntp</application>
271	suite has been updated to version 4.2.8p3.</para>
272    </sect2>
273
274    <sect2 xml:id="userland-installer">
275      <title>Installation and Configuration Tools</title>
276
277      <para>&nbsp;</para>
278    </sect2>
279
280    <sect2 xml:id="userland-rc">
281      <title><filename class="directory">/etc/rc.d</filename>
282	Scripts</title>
283
284      <para revision="284009">A new &man.rc.8; script,
285	<filename>growfs</filename>, has been added, which will resize
286	the root filesystem on boot if <filename>/firstboot</filename>
287	exists.</para>
288    </sect2>
289
290    <sect2 xml:id="userland-periodic">
291      <title><filename class="directory">/etc/periodic</filename>
292	Scripts</title>
293
294      <para revision="277520" contrib="sponsor" sponsor="&ff;">A new
295	&man.periodic.8; script,
296	<filename>510.status-world-kernel</filename>, has been added,
297	which evaluates the running userland and kernel versions from
298	the &man.uname.1; <literal>-U</literal> and
299	<literal>-K</literal> arguments, and prints an error if the
300	system userland and kernel are not in sync.</para>
301    </sect2>
302
303    <sect2 xml:id="userland-libraries">
304      <title>Runtime Libraries and API</title>
305
306      <para revision="275040">A new file configuration library,
307	&man.figpar.3;, has been added to the base system.</para>
308
309      <para revision="276686" contrib="sponsor" sponsor="&ff;">The
310	&man.procctl.2; system call has been updated to include
311	a facility for non-&man.init.8; processes to be declared as
312	the reaper of child processes and their decendants.</para>
313
314      <para revision="280392">The &man.setmode.3; function has been
315	updated to consistently set <literal>errno</literal> on
316	failure.</para>
317    </sect2>
318
319    <sect2 xml:id="userland-abi">
320      <title>ABI Compatibility</title>
321
322      <para revision="275807">The &linux; compatibility version has
323	been updated to <literal>2.6.18</literal>.  The
324	<literal>compat.linux.osrelease</literal> &man.sysctl.8; is
325	evaluated when building the <filename
326	  role="package">emulators/linux-c6</filename> and related
327	ports.</para>
328    </sect2>
329  </sect1>
330
331  <sect1 xml:id="kernel">
332    <title>Kernel</title>
333
334    <para>This section covers changes to kernel configurations, system
335      tuning, and system control parameters that are not otherwise
336      categorized.</para>
337
338    <sect2 xml:id="kernel-bugfix">
339      <title>Kernel Bug Fixes</title>
340
341      <para revision="276068">A kernel panic triggered when destroying
342	a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has
343	been fixed.</para>
344
345      <para revision="284018">A kernel panic triggered when destroying
346	a &man.vnet.9; &man.jail.8; configured with &man.gre.4; has
347	been fixed.</para>
348    </sect2>
349
350    <sect2 xml:id="kernel-config">
351      <title>Kernel Configuration</title>
352
353      <para revision="282065" contrib="sponsor" sponsor="&ff;">The
354	<literal>PAE_TABLES</literal> kernel configuration option has
355	been added for &os;/&arch.i386;, which instructs &man.pmap.9;
356	to use <acronym>PAE</acronym> format for page tables while
357	maintaining a 32-bit physical address size elsewhere in the
358	kernel.  The use of this option can enhance application-level
359	security by enabling the creation of <quote>no execute</quote>
360	mappings on modern &arch.i386; processors.  Unlike the
361	<literal>PAE</literal> option, <literal>PAE_TABLES</literal>
362	preserves kernel binary interface (<acronym>KBI</acronym>)
363	compatibility with non-<literal>PAE</literal> kernels,
364	allowing non-<literal>PAE</literal> kernel modules and drivers
365	to work with a <literal>PAE_TABLES</literal>-enabled kernel.
366	Additionally, system limits are tuned for 4GB maximum
367	<acronym>RAM</acronym>, avoiding kernel virtual address space
368	(<acronym>KVA</acronym>) exhaustion.</para>
369
370      <para revision="282826">The <literal>SIFTR</literal> kernel
371	configuration has been added, allowing building &man.siftr.4;
372	statically into the kernel.</para>
373
374      <para revision="283076" contrib="sponsor" sponsor="&intelcorp;"
375	arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are
376	now included in the <filename>GENERIC</filename> kernel
377	configuration by default.</para>
378
379      <para revision="283505" arch="arm">The &arch.arm; boot loader,
380	<filename>ubldr</filename>, is now relocatable.  In addition,
381	<filename>ubldr.bin</filename> is now created during build
382	time, which is a stripped binary with an entry point of
383	<literal>0</literal>, providing the ability to specify the
384	load address by running <literal>go
385	  &dollar;{loadaddr}</literal> in
386	<literal>u-boot</literal>.</para>
387
388      <para revision="284094" arch="arm">A new module for creating
389	<filename>rpi.dtb</filename> has been added for the Raspberry
390	Pi.</para>
391
392      <para revision="284094" arch="arm">The
393	<filename>rpi.dtb</filename> module is now installed to
394	<filename class="directory">/boot/dtb/</filename> by
395	default for the Raspberry Pi system.</para>
396
397      <para revision="284096" arch="arm">A new module for creating
398	the <filename>dtb</filename> module for AM335x systems has
399	been added.</para>
400
401      <para revision="284522" contrib="sponsor"
402	sponsor="&limelight;">A new kernel configuration option,
403	<literal>EM_MULTIQUEUE</literal>, has been added which enables
404	multi-queue support in the &man.em.4; driver.</para>
405
406      <note>
407	<para>Multi-queue support in the &man.em.4; driver is not
408	  officially supported by &intel;.</para>
409      </note>
410    </sect2>
411
412    <sect2 xml:id="kernel-sysctl">
413      <title>System Tuning and Controls</title>
414
415      <para revision="276986">Throttling via <acronym>ACPI</acronym>
416	and <acronym>P4TCC</acronym> via &man.device.hints.5; have
417	been turned off by default.</para>
418
419      <para revision="278982" contrib="sponsor" sponsor="&ff;">The
420	&man.hwpmc.4; default and maximum callchain depths have been
421	increased.  The default has been increased from 16 to 32, and
422	the maximum increased from 32 to 128.</para>
423
424      <para revision="281255" contrib="sponsor"
425	sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has
426	been changed to update timestamps for read/write operations
427	using seconds precision.  A new &man.sysctl.8;,
428	<literal>vfs.devfs.dotimes</literal> has been added, which
429	when set to a non-zero value, enables default precision
430	timestamps for these operations.</para>
431
432      <para revision="280632">The <literal>kern.osrelease</literal>
433	and <literal>kern.osreldate</literal> are now configurable
434	&man.jail.8; parameters.</para>
435
436      <para revision="284665" contrib="sponsor" sponsor="&ff;">A new
437	&man.sysctl.8;, <literal>kern.racct.enable</literal>, has been
438	added, which when set to a non-zero value allows using
439	&man.rctl.8; with the <literal>GENERIC</literal> kernel.
440	A new kernel configuration option,
441	<literal>RACCT_DISABLED</literal> has also been added.</para>
442
443      <para revision="284665" contrib="sponsor" sponsor="&ff;">The
444	<literal>GENERIC</literal> kernel configuration now includes
445	<literal>RACCT</literal> and <literal>RCTL</literal> by
446	default.</para>
447
448      <note>
449	<para>To enable <literal>RACCT</literal> and
450	  <literal>RCTL</literal> on a system using the
451	  <literal>GENERIC</literal> kernel configuration, add
452	  <literal>kern.racct.enable=1</literal> to
453	  &man.loader.conf.5;, and reboot the system.</para>
454      </note>
455    </sect2>
456  </sect1>
457
458  <sect1 xml:id="drivers">
459    <title>Devices and Drivers</title>
460
461    <para>This section covers changes and additions to devices and
462      device drivers since &release.prev;.</para>
463
464    <sect2 xml:id="drivers-device">
465      <title>Device Drivers</title>
466
467      <para revision="282199">The <literal>drm</literal> code has
468	been updated to match &linux; version 3.8.13.</para>
469
470      <para revision="281708">The &man.psm.4; driver has been updated
471	to include improved support for newer Synaptics&nbsp;&reg;
472	touchpads and the ClickPad&nbsp;&reg; mouse on newer
473	Lenovo&nbsp;&trade; laptops.</para>
474    </sect2>
475
476    <sect2 xml:id="drivers-storage">
477      <title>Storage Drivers</title>
478
479      <para revision="281957">The &man.hptnr.4; driver has been
480	updated to version 1.1.1.</para>
481    </sect2>
482
483    <sect2 xml:id="drivers-network">
484      <title>Network Drivers</title>
485
486      <para revision="274486">The &man.pf.4; interface default hash
487	has been changed from <literal>Jenkins</literal> to
488	<literal>Murmur3</literal>, providing a 3-percent performance
489	increase in packets-per-second.</para>
490
491      <para revision="279157">The &man.ral.4; driver has been updated
492	to support the RT5390 and RT5392 chipsets.</para>
493
494      <para revision="284066" contrib="sponsor" sponsor="&yandex;">The
495	&man.gre.4; driver has been significantly overhauled, and has
496	been split into two separate modules, &man.gre.4; and
497	&man.me.4;.</para>
498
499      <para revision="284365">The &man.vxlan.4; driver has been added,
500	which creates a virtual Layer 2 (Ethernet) network overlaid in
501	a Layer 3 (IP/UDP) network.  The &man.vxlan.4; driver is
502	analogous to &man.vlan.4;, but is designed to be better suited
503	for large, multiple-tenant datacenter environments.</para>
504
505      <para revision="284499">The &man.cdce.4; driver has been updated
506	to include support for the RTL8153 chipset.</para>
507
508      <para revision="284555" contrib="sponsor"
509	sponsor="&solarflare;">The &man.sfxge.4; driver has been
510	updated to support Solarflare Flareon Ultra 7000-series
511	chipsets.</para>
512    </sect2>
513  </sect1>
514
515  <sect1 xml:id="hardware">
516    <title>Hardware Support</title>
517
518    <para>This section covers general hardware support for physical
519      machines, hypervisors, and virtualization environments, as well
520      as hardware changes and updates that do not otherwise fit in
521      other sections of this document.</para>
522
523    <sect2 xml:id="hardware-support">
524      <title>Hardware Support</title>
525
526      <para>&nbsp;</para>
527    </sect2>
528
529    <sect2 xml:id="hardware-virtualization">
530      <title>Virtualization Support</title>
531
532      <para revision="275273">The &man.virtio.console.4; driver has
533	been added, which provides an interface to VirtIO console
534	devices through a &man.tty.4; device.</para>
535
536      <para revision="276403">The &man.bhyve.8; hypervisor has been
537	updated to support &amd; processors with
538	<acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware
539	extensions.</para>
540
541      <para revision="280370">The &man.bhyve.8; hypervisor has been
542	updated to support <literal>DSM TRIM</literal> commands for
543	virtual <acronym>AHCI</acronym> disks.</para>
544
545      <para revision="283280" contrib="sponsor" sponsor="&msostc;">The
546	Hyper-V&trade; drivers have been updated with several
547	enhancements:</para>
548
549      <itemizedlist>
550	<listitem>
551	  <para>The &man.hv.vmbus.4; driver now has multi-channel
552	    support.</para>
553	</listitem>
554
555	<listitem>
556	  <para>The &man.hv.storvsc.4; driver now has scatter/gather
557	    support, in addition to performance improvements.</para>
558	</listitem>
559
560	<listitem>
561	  <para>The &man.hv.kvp.4; driver has received several bug
562	    fixes.</para>
563	</listitem>
564      </itemizedlist>
565
566      <para revision="285236" contrib="sponsor" sponsor="&msostc;">The
567	&man.hv.netvsc.4; driver has been updated to support checksum
568	offloading and <acronym>TSO</acronym>.</para>
569    </sect2>
570
571    <sect2 xml:id="hardware-arm">
572      <title>ARM Support</title>
573
574      <para revision="278079" arch="arm">Support to turn off the
575	BeagleBone Black system with the &man.shutdown.8;
576	<literal>-p</literal> flag or by invoking &man.poweroff.8; has
577	been added.</para>
578
579      <para revision="278599" arch="arm">Support for the Exynos 5420
580	Octa system has been added.</para>
581
582      <para revision="278599" arch="arm">The <acronym>SMP</acronym>
583	option has been enabled for all Exynos 5 systems supported by
584	&os;.</para>
585
586      <para revision="278608">The <literal>bcm2835_cpufreq</literal>
587	driver has been added, which supports <acronym>CPU</acronym>
588	frequency and voltage control on the Raspberry Pi
589	<acronym>SOC</acronym>.</para>
590
591      <para revision="283500" arch="arm">Support for the Toradex
592	Apalis i.MX6 development board has been added.</para>
593
594      <para revision="283500" arch="arm">Audio transmission drivers
595	have been added for Digital Audio Multiplexer
596	(<acronym>AUDMUXM</acronym>), Smart Direct Memory Access
597	Controller (<acronym>SDMA</acronym>), and Syncronous Serial
598	Interface (<acronym>SSI</acronym>).</para>
599    </sect2>
600  </sect1>
601
602  <sect1 xml:id="storage">
603    <title>Storage</title>
604
605    <para>This section covers changes and additions to file systems
606      and other storage subsystems, both local and networked.</para>
607
608    <sect2 xml:id="storage-general">
609      <title>General Storage</title>
610
611      <para revision="279002" contrib="sponsor" sponsor="&ix;">The
612	&man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten,
613	replacing <acronym>iSCSI</acronym>-specific mapping mechanisms
614	with a new mechanism that works for any port.</para>
615
616      <para revision="279055" contrib="sponsor" sponsor="&ix;">The
617	&man.ctld.8; utility has been updated to allow controlling
618	non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para>
619
620      <para revision="283223" contrib="sponsor" sponsor="&ff;">The
621	&man.autofs.5; subsystem has been updated to include a new
622	&man.auto.master.5; map, <literal>-media</literal>, which
623	allows automatically mounting removable media, such as
624	<acronym>CD</acronym> drives or <acronym>USB</acronym> flash
625	drives.</para>
626
627      <para revision="283242" contrib="sponsor" sponsor="&ff;">The
628	&man.autofs.5; subsystem has been updated to include a new
629	&man.auto.master.5; map, <literal>-noauto</literal>, which
630	handles &man.fstab.5; entries set to
631	<literal>noauto</literal>.</para>
632    </sect2>
633
634    <sect2 xml:id="storage-net">
635      <title>Networked Storage</title>
636
637      <para revision="274939" contrib="sponsor" sponsor="&ix;">The
638	&man.ctld.8; utility has been updated to include support for
639	registering <acronym>iSCSI</acronym> targets and portals on
640	<acronym>iSNS</acronym> servers.  This provides a mechanism
641	which allows <acronym>iSCSI</acronym> initiators to find
642	targets and portals without requiring active
643	discovery.</para>
644
645      <para revision="275249" contrib="sponsor" sponsor="&ff;">Support
646	for the <literal>timeo</literal>, <literal>actimeo</literal>,
647	<literal>noac</literal>, and <literal>proto</literal> options
648	have been added to &man.mount.nfs.8;.</para>
649    </sect2>
650
651    <sect2 xml:id="storage-zfs">
652      <title>ZFS</title>
653
654      <para revision="275490">A new tunable,
655	<literal>vfs.zfs.spa_slop_shift</literal>, has been added,
656	which controls how much space is reserved by default.</para>
657
658      <para revision="277583">The <literal>arc_meta_limit</literal>
659	statistics are now visible through the
660	<literal>kstat</literal> &man.sysctl.8;.  As a result of this
661	change, the <literal>vfs.zfs.arc_meta_used</literal>
662	&man.sysctl.8; has been removed, and replaced with the
663	<literal>kstat.zfs.misc.arcstats.arc_meta_used</literal>
664	&man.sysctl.8;.</para>
665    </sect2>
666
667    <sect2 xml:id="storage-geom">
668      <title>&man.geom.4;</title>
669
670      <para revision="275891" contrib="sponsor" sponsor="&ix;">The
671	&man.ctl.4; subsystem has been updated, increasing the ports
672	limit from <literal>128</literal> to <literal>256</literal>,
673	and <acronym>LUN</acronym> limit from <literal>256</literal>
674	to <literal>1024</literal>.</para>
675
676      <para revision="282861">Support for the
677	<literal>apple-boot</literal>, <literal>apple-hfs</literal>,
678	and <literal>apple-ufs</literal> <acronym>MBR</acronym>
679	partitioning schemes have been added to &man.gpart.8;.</para>
680    </sect2>
681  </sect1>
682
683  <sect1 xml:id="boot">
684    <title>Boot Loader Changes</title>
685
686    <para>This section covers the boot loader, boot menu, and other
687      boot-related changes.</para>
688
689    <sect2 xml:id="boot-loader">
690      <title>Boot Loader Changes</title>
691
692      <para revision="281323">Support for <literal>bzipfs</literal>
693	has been added to the <acronym>EFI</acronym> loader.</para>
694
695      <para revision="281843">The boot loader has been updated to
696	support entering the <acronym>GELI</acronym> passphrase before
697	loading the kernel.  To enable this behavior, add
698	<literal>geom_eli_passphrase_prompt="YES"</literal> to
699	&man.loader.conf.5;.</para>
700
701      <para revision="283262" contrib="sponsor" sponsor="&ff;">The
702	memory test run at boot time on &os;/&arch.amd64; platforms
703	has been disabled by default.</para>
704
705      <para revision="283972">A new &man.ttys.5; class,
706	<literal>3wire</literal>, has been added.  This is similar to
707	the existing terminal classes, but does not have a defined
708	baudrate.</para>
709
710      <para revision="284775" contrib="sponsor" sponsor="&ff;"
711	arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been
712	updated to enable <filename>ttyu1</filename>,
713	<filename>ttyu2</filename>, and <filename>ttyu3</filename> by
714	default, if the callin port is an active console port.</para>
715    </sect2>
716
717    <sect2 xml:id="boot-menu">
718      <title>Boot Menu Changes</title>
719
720      <para>&nbsp;</para>
721    </sect2>
722  </sect1>
723
724  <sect1 xml:id="network">
725    <title>Networking</title>
726
727    <para>This section describes changes that affect networking in
728      &os;.</para>
729
730    <sect2 xml:id="network-protocols">
731      <title>Network Procols</title>
732
733      <para>&nbsp;</para>
734    </sect2>
735  </sect1>
736
737  <sect1 xml:id="ports">
738    <title>Ports Collection and Package Infrastructure</title>
739
740    <para>This section covers changes to the &os;&nbsp;Ports
741      Collection, package infrastructure, and package maintenance and
742      installation tools.</para>
743
744    <sect2 xml:id="ports-infrastructure">
745      <title>Infrastructure Changes</title>
746
747      <para>&nbsp;</para>
748    </sect2>
749
750    <sect2 xml:id="ports-packages ">
751      <title>Packaging Changes</title>
752
753      <para>&nbsp;</para>
754    </sect2>
755  </sect1>
756
757  <sect1 xml:id="doc">
758    <title>Documentation</title>
759
760    <para>This section covers changes to the &os;&nbsp;Documentation
761      Project sources and toolchain.</para>
762
763    <sect2 xml:id="doc-sources">
764      <title>Documentation Source Changes</title>
765
766      <para>&nbsp;</para>
767    </sect2>
768
769    <sect2 xml:id="doc-toolchain">
770      <title>Documentation Toolchain Changes</title>
771
772      <para>&nbsp;</para>
773    </sect2>
774  </sect1>
775
776  <sect1 xml:id="releng">
777    <title>Release Engineering and Integration</title>
778
779    <para>This section convers changes that are specific to the
780      &os;&nbsp;Release Engineering processes.</para>
781
782    <sect2 xml:id="releng-changes">
783      <title>Integration Changes</title>
784
785      <para revision="283161" contrib="sponsor" sponsor="&ff;">The
786	Release Engineering build tools have been updated to support
787	building &os;/&arch.arm; images without external utilities for
788	supported boards where a corresponding
789	<literal>u-boot</literal> port exists in the Ports
790	Collection.</para>
791
792      <para revision="283548" contrib="sponsor" sponsor="&ff;">The
793	&os;/&arch.i386; memory stick installation images are now
794	created using the &man.mkimg.1; utility, matching the way
795	the &os;/&arch.amd64; images are created.</para>
796    </sect2>
797  </sect1>
798</article>
799