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11<article xmlns="http://docbook.org/ns/docbook"
12  xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
13
14  <info>
15    <title>&os; &release.current; Release Notes</title>
16
17    <author>
18      <orgname>The &os; Project</orgname>
19    </author>
20
21    <pubdate>$FreeBSD: releng/10.1/release/doc/en_US.ISO8859-1/relnotes/article.xml 273608 2014-10-24 21:40:44Z gjb $</pubdate>
22
23    <copyright>
24      <year>2000</year>
25      <year>2001</year>
26      <year>2002</year>
27      <year>2003</year>
28      <year>2004</year>
29      <year>2005</year>
30      <year>2006</year>
31      <year>2007</year>
32      <year>2008</year>
33      <year>2009</year>
34      <year>2010</year>
35      <year>2011</year>
36      <year>2012</year>
37      <year>2013</year>
38      <year>2014</year>
39      <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
40	Project</holder>
41    </copyright>
42
43    <legalnotice xml:id="trademarks" role="trademarks">
44      &tm-attrib.freebsd;
45      &tm-attrib.ibm;
46      &tm-attrib.ieee;
47      &tm-attrib.intel;
48      &tm-attrib.sparc;
49      &tm-attrib.general;
50    </legalnotice>
51
52    <abstract>
53      <para>The release notes for &os; &release.current; contain
54	a summary of the changes made to the &os; base system on the
55	&release.branch; development line.  This document lists
56	applicable security advisories that were issued since the last
57	release, as well as significant changes to the &os; kernel and
58	userland.  Some brief remarks on upgrading are also
59	presented.</para>
60    </abstract>
61  </info>
62
63  <sect1 xml:id="intro">
64    <title>Introduction</title>
65
66    <para>This document contains the release notes for &os;
67      &release.current;.  It describes recently added, changed, or
68      deleted features of &os;.  It also provides some notes on
69      upgrading from previous versions of &os;.</para>
70
71    <para releasetype="current">The &release.type; distribution to
72      which these release notes apply represents the latest point
73      along the &release.branch; development branch since
74      &release.branch; was created.  Information regarding pre-built,
75      binary &release.type; distributions along this branch can be
76      found at <uri
77	xlink:href="&release.url;">&release.url;</uri>.</para>
78
79    <para releasetype="snapshot">The &release.type; distribution to
80      which these release notes apply represents a point along the
81      &release.branch; development branch between &release.prev; and
82      the future &release.next;.  Information regarding pre-built,
83      binary &release.type; distributions along this branch can be
84      found at <uri
85	xlink:href="&release.url;">&release.url;</uri>.</para>
86
87    <para releasetype="release">This distribution of &os;
88      &release.current; is a &release.type; distribution.  It can be
89      found at <uri xlink:href="&release.url;">&release.url;</uri> or
90      any of its mirrors.  More information on obtaining this (or
91      other) &release.type; distributions of &os; can be found in the
92      <link
93	xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
94	  &os;</quote> appendix</link> to the <link
95	xlink:href="&url.books.handbook;/">&os;
96	Handbook</link>.</para>
97
98    <para>All users are encouraged to consult the release errata
99      before installing &os;.  The errata document is updated with
100      <quote>late-breaking</quote> information discovered late in the
101      release cycle or after the release.  Typically, it contains
102      information on known bugs, security advisories, and corrections
103      to documentation.  An up-to-date copy of the errata for &os;
104      &release.current; can be found on the &os; Web site.</para>
105  </sect1>
106
107  <sect1 xml:id="new">
108    <title>What's New</title>
109
110    <para>This section describes the most user-visible new or changed
111      features in &os; since &release.prev;.</para>
112
113    <para>Typical release note items document recent security
114      advisories issued after &release.prev;, new drivers or hardware
115      support, new commands or options, major bug fixes, or
116      contributed software upgrades.  They may also list changes to
117      major ports/packages or release engineering practices.  Clearly
118      the release notes cannot list every single change made to &os;
119      between releases; this document focuses primarily on security
120      advisories, user-visible changes, and major architectural
121      improvements.</para>
122
123    <sect2 xml:id="security">
124      <title>Security Advisories</title>
125
126      <para>The following security advisories have been issued since
127	&os;&nbsp;&release.prev;:</para>
128
129      <informaltable frame="none" pgwide="0">
130	<tgroup cols="3">
131	  <colspec colwidth="1*" />
132	  <colspec colwidth="1*" />
133	  <colspec colwidth="3*" />
134	  <thead>
135	    <row>
136	      <entry>Advisory</entry>
137	      <entry>Date</entry>
138	      <entry>Topic</entry>
139	    </row>
140	  </thead>
141
142	  <tbody>
143	    <row>
144	      <entry><link
145		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-13:14.openssh.asc">SA-13:14.openssh</link></entry>
146	      <entry>19&nbsp;November&nbsp;2013</entry>
147	      <entry><para>OpenSSH AES-GCM memory corruption
148		vulnerability</para></entry>
149	    </row>
150
151	    <row>
152	      <entry><link
153		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:01.bsnmpd.asc">SA-14:01.bsnmpd</link></entry>
154	      <entry>14&nbsp;January&nbsp;2014</entry>
155	      <entry><para>bsnmpd remote denial of service
156		  vulnerability</para></entry>
157	    </row>
158
159	    <row>
160	      <entry><link
161		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:02.ntpd.asc">SA-14:02.ntpd</link></entry>
162	      <entry>14&nbsp;January&nbsp;2014</entry>
163	      <entry><para>ntpd distributed reflection Denial of
164		  Service vulnerability</para></entry>
165	    </row>
166
167	    <row>
168	      <entry><link
169		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:03.openssl.asc">SA-14:03.openssl</link></entry>
170	      <entry>14&nbsp;January&nbsp;2014</entry>
171	      <entry><para>OpenSSL multiple
172		  vulnerabilities</para></entry>
173	    </row>
174
175	    <row>
176	      <entry><link
177		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:04.bind.asc">SA-14:04.bind</link></entry>
178	      <entry>14&nbsp;January&nbsp;2014</entry>
179	      <entry><para>BIND remote denial of service
180		  vulnerability</para></entry>
181	    </row>
182
183	    <row>
184	      <entry><link
185		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:05.nfsserver.asc">SA-14:05.nfsserver</link></entry>
186	      <entry>8&nbsp;April&nbsp;2014</entry>
187	      <entry><para>Deadlock in the NFS server</para></entry>
188	    </row>
189
190	    <row>
191	      <entry><link
192		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:06.openssl.asc">SA-14:06.openssl</link></entry>
193	      <entry>8&nbsp;April&nbsp;2014</entry>
194	      <entry><para>OpenSSL multiple
195		  vulnerabilities</para></entry>
196	    </row>
197
198	    <row>
199	      <entry><link
200		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:07.devfs.asc">SA-14:07.devfs</link></entry>
201	      <entry>30&nbsp;April&nbsp;2014</entry>
202	      <entry><para>Fix devfs rules not applied by default for
203		jails</para></entry>
204	    </row>
205
206	    <row>
207	      <entry><link
208		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:08.tcp.asc">SA-14:08.tcp</link></entry>
209	      <entry>30&nbsp;April&nbsp;2014</entry>
210	      <entry><para>Fix TCP reassembly
211		vulnerability</para></entry>
212	    </row>
213
214	    <row>
215	      <entry><link
216		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:09.openssl.asc">SA-14:09.openssl</link></entry>
217	      <entry>30&nbsp;April&nbsp;2014</entry>
218	      <entry><para>Fix OpenSSL use-after-free
219		vulnerability</para></entry>
220	    </row>
221
222	    <row>
223	      <entry><link
224		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:10.openssl.asc">SA-14:10.openssl</link></entry>
225	      <entry>15&nbsp;May&nbsp;2014</entry>
226	      <entry><para>Fix OpenSSL NULL pointer deference
227		vulnerability</para></entry>
228	    </row>
229
230	    <row>
231	      <entry><link
232		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:11.sendmail.asc">SA-14:11.sendmail</link></entry>
233	      <entry>3&nbsp;June&nbsp;2014</entry>
234	      <entry><para>Fix sendmail improper close-on-exec flag
235		handling</para></entry>
236	    </row>
237
238	    <row>
239	      <entry><link
240		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:13.pam.asc">SA-14:13.pam</link></entry>
241	      <entry>3&nbsp;June&nbsp;2014</entry>
242	      <entry><para>Fix incorrect error handling in PAM policy
243		parser</para></entry>
244	    </row>
245
246	    <row>
247	      <entry><link
248		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:14.openssl.asc">SA-14:14.openssl</link></entry>
249	      <entry>5&nbsp;June&nbsp;2014</entry>
250	      <entry><para>Multiple vulnerabilities</para></entry>
251	    </row>
252
253	    <row>
254	      <entry><link
255		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:15.iconv.asc">SA-14:15.iconv</link></entry>
256	      <entry>24&nbsp;June&nbsp;2014</entry>
257	      <entry><para>NULL pointer dereference and out-of-bounds
258		array access</para></entry>
259	    </row>
260
261	    <row>
262	      <entry><link
263		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:16.file.asc">SA-14:16.file</link></entry>
264	      <entry>24&nbsp;June&nbsp;2014</entry>
265	      <entry><para>Multiple vulnerabilities</para></entry>
266	    </row>
267
268	    <row>
269	      <entry><link
270		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:17.kmem.asc">SA-14:17.kmem</link></entry>
271	      <entry>8&nbsp;July&nbsp;2014</entry>
272	      <entry><para>Kernel memory disclosure in control
273		  messages and SCTP notifications</para></entry>
274	    </row>
275
276	    <row>
277	      <entry><link
278		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:18.openssl.asc">SA-14:18.openssl</link></entry>
279	      <entry>9&nbsp;September&nbsp;2014</entry>
280	      <entry><para>Multiple vulnerabilities</para></entry>
281	    </row>
282
283	    <row>
284	      <entry><link
285		  xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:19.tcp.asc">SA-14:19.tcp</link></entry>
286	      <entry>16&nbsp;September&nbsp;2014</entry>
287	      <entry><para>Denial of Service in TCP packet
288		processing.</para></entry>
289	    </row>
290
291	    <row>
292	      <entry><link xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:20.rtsold.asc">SA-14:20.rtsold</link></entry>
293	      <entry>21&nbsp;October&nbsp;2014</entry>
294	      <entry><para>Remote buffer overflow
295		  vulnerability.</para></entry>
296	    </row>
297
298	    <row>
299	      <entry><link xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:21.routed.asc">SA-14:21.routed</link></entry>
300	      <entry>21&nbsp;October&nbsp;2014</entry>
301	      <entry><para>Remote denial of service
302		  vulnerability.</para></entry>
303	    </row>
304
305	    <row>
306	      <entry><link xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:22.namei.asc">SA-14:22.namei</link></entry>
307	      <entry>21&nbsp;October&nbsp;2014</entry>
308	      <entry><para>Memory leak in sandboxed namei
309		  lookup.</para></entry>
310	    </row>
311
312	    <row>
313	      <entry><link xlink:href="http://www.freebsd.org/security/advisories/FreeBSD-SA-14:23.openssl.asc">SA-14:23.openssl</link></entry>
314	      <entry>21&nbsp;October&nbsp;2014</entry>
315	      <entry><para>Multiple vulerabilities.</para></entry>
316	    </row>
317	  </tbody>
318	</tgroup>
319      </informaltable>
320
321    </sect2>
322
323    <sect2 xml:id="kernel">
324      <title>Kernel Changes</title>
325
326      <para revision="260431">A new &man.sysctl.8;,
327	<literal>kern.panic_reboot_wait_time</literal>, has been
328	added, which allows controlling how long the system will wait
329	after &man.panic.9; before rebooting.</para>
330
331      <para revision="262861">The &man.vt.4; driver has been merged
332	from &os;-CURRENT.  To enable &man.vt.4;, enter
333	<literal>set kern.vty=vt</literal> at the &man.loader.8;
334	prompt during boot, or add <literal>kern.vty=vt</literal> to
335	&man.loader.conf.5; and reboot the system.</para>
336
337      <para revision="263122">Support for &man.hwpmc.4; has been added
338	for &powerpc;&nbsp;970 class processors.</para>
339
340      <para revision="263197">Support for ADT7460 and ADT7467 fan
341	controllers found in newer PowerBooks&trade; and
342	iBooks&trade; has been added to the &man.iicbus.4;
343	driver.</para>
344
345      <para revision="263256">A panic triggered by removing
346	a &man.urtwn.4; device has been fixed.</para>
347
348      <para revision="263799">A potential deadlock in the &man.usb.4;
349	stack triggered by detaching USB devices that create character
350	devices has been fixed.</para>
351
352      <para revision="263869">Support for &amd;&nbsp;Family 16h sensor
353	devices has been added to &man.amdtemp.4;.</para>
354
355      <para revision="265610">The &man.uslcom.4; driver has been
356	updated to support 26 new devices.</para>
357
358      <para revision="266165">A kernel bug that inhibited proper
359	functionality of the <literal>dev.cpu.0.freq</literal>
360	&man.sysctl.8; on &intel; processors with Turbo
361	Boost&trade; enabled has been fixed.</para>
362
363      <para revision="266436">The &man.uart.4; driver has been
364	updated to include support for the &intel;&nbsp;Lynx Point
365	KT <acronym>AMT</acronym> serial port.</para>
366
367      <para revision="266594">The <literal>radeonkms(4)</literal>
368	driver has been updated to include 32-bit &man.ioctl.2;
369	support, allowing 32-bit applications to run on a 64-bit
370	system.</para>
371
372      <para revision="266718">A bug that would prevent
373	a &man.jail.8; from setting the correct IPv4 source address
374	with some operations that required
375	<literal>security.jail.allow_raw_sockets</literal> has been
376	fixed.</para>
377
378      <para revision="266911">The &man.hwpmc.4; driver has been
379	updated to support core events from the Atom&trade;
380	Silvermont architecture.</para>
381
382      <para revision="268046">The &man.oce.4; driver has been updated
383	with vendor-supplied fixes for big endian support, and 20GB/s
384	and 25GB/s link speeds.</para>
385
386      <para revision="270630">The &os;&nbsp;virtual memory subsystem
387	has been updated to implement <quote>fast path</quote> for
388	the page fault handler.</para>
389
390      <para revision="271069">The &man.asmc.4; driver has been updated
391	to support the &apple;&nbsp;Mac Mini 3,1.</para>
392
393      <para revision="271111">The &os;/&arch.powerpc64; default kernel
394	configuration, <filename>GENERIC64</filename>, has been
395	updated to enable the &man.vt.4; console driver for the
396	Sony&reg;&nbsp;Playstation&nbsp;3&trade; platform.</para>
397
398      <para revision="271116" contrib="sponsor" sponsor="&ff;">The
399	&os;/&arch.powerpc; <literal>ofwfb</literal> driver, used to
400	provide a graphics console when the &man.vt.4; console driver
401	is used, has been modified to work with the <filename
402	  role="package">x11-drivers/xf86-video-scfb</filename>
403	port.</para>
404
405      <note>
406	<para>If using an <acronym>ATI</acronym> graphics card with
407	  the &man.vt.4; driver, the <filename
408	    role="package">x11-servers/xorg-server</filename> package
409	  must be updated to version 1.12.4_8 or newer.</para>
410      </note>
411
412      <para revision="271128" contrib="sponsor" sponsor="&ff;">Several
413	performance enchancements to the &man.vt.4; driver have been
414	merged from &os;-CURRENT.</para>
415
416      <para revision="271153">The default stack size
417	(<literal>KSTACK_PAGES</literal>) has been increased from
418	<literal>4</literal> to <literal>8</literal> for the
419	&arch.powerpc64; architecture.</para>
420
421      <para revision="271205">The &os;/&arch.powerpc; ATI driver
422	has been updated to support enabling and disabling the
423	Radeon&nbsp;9700 backlight, found in the
424	&apple;&nbsp;PowerBook&trade;&nbsp;G4.</para>
425
426      <para revision="271816">Hardware context support has been
427	added to the <literal>drm/i915</literal> driver, adding
428	support for <application>Mesa</application> 9.2 and
429	later.</para>
430
431      <sect3 xml:id="kernel-virtualization">
432	<title>Virtualization Support</title>
433
434	<para revision="259450">Support for &microsoft; Hyper-V
435	  has been added to &os;/i386 as loadable modules, however
436	  not available in the <filename>GENERIC</filename> kernel
437	  configuration.</para>
438
439	<para revision="261090">The &man.bhyve.4; hypervisor now
440	  supports soft power-off functionality via the ACPI S5
441	  state.</para>
442
443	<para revision="267399">Support for &os;/i386 guests has been
444	  added to &man.bhyve.4;.</para>
445
446	<para revision="267427">Support for virtualized
447	  <literal>XSAVE</literal> has been added to &man.bhyve.4;,
448	  allowing guest operating systems to use
449	  <literal>XSAVE</literal> and
450	  <literal>XSAVE</literal>-enabled features, such as
451	  <acronym>AVX</acronym>.</para>
452
453	<para revision="268932">The &man.bhyve.4; hypervisor now
454	  supports booting from a &man.zfs.8; filesystem.</para>
455
456	<para revision="268933">A new driver, &man.virtio_random.4;,
457	  has been added, which allows &os; virtual machines to
458	  harvest entropy from the hypervisor.</para>
459
460	<para revision="270159">The &man.bhyve.4; hypervisor has been
461	  synced with the version in &os;-CURRENT.</para>
462
463	<para>A number of enhancements have been added, and several
464	  bug fixes, including:</para>
465
466	<itemizedlist>
467	  <listitem>
468	    <para>Post-mortem debugging has been added when
469	      a guest virtual machine exits with an
470	      <quote><acronym>EPT</acronym> Misconfiguration</quote>
471	      error.</para>
472	  </listitem>
473
474	  <listitem>
475	    <para>The hypervisor &man.virtio.4; <acronym>API</acronym>
476	      has been expanded from 32- to 64-bit.</para>
477	  </listitem>
478
479	  <listitem>
480	    <para>Support for identifying capabilities of the virtual
481	      <acronym>CPU</acronym> has been added.</para>
482	  </listitem>
483
484	  <listitem>
485	    <para>Support for emulating legacy x86 task
486	      switching has been added.</para>
487	  </listitem>
488
489	  <listitem>
490	    <para>Support to list the VT-x features in base kernel
491	      &man.dmesg.8; has been added.</para>
492	  </listitem>
493
494	  <listitem>
495	    <para>Support for extended PCI configuration space
496	      has been added.</para>
497	  </listitem>
498	</itemizedlist>
499      </sect3>
500
501      <sect3 xml:id="kernel-arm">
502	<title>ARM Support</title>
503
504	<para revision="259355">The <filename>WANDBOARD</filename>
505	  kernel configuration file has been added.</para>
506
507	<para revision="265067">Boot devices may now be specified by
508	  setting a u-boot environment variable.  If a boot device is
509	  not specified, the probe mechanism will be used.  To specify
510	  the boot device, set the
511	  <literal>loaderdev=<replaceable>device</replaceable></literal>
512	  u-boot environment variable.</para>
513
514	<para revision="266000">The <literal>nexus(4)</literal> driver
515	  has been updated to include <quote>Flattened Device
516	    Tree</quote> support, replacing the &man.fdtbus.4; driver
517	  in most cases.</para>
518
519	<para revision="266105">The &man.gpioiic.4; and
520	  &man.gpioled.4; have been merged from &os;-CURRENT.</para>
521
522	<para>Support for hardware floating point was added to the
523	  kernel, and enabled by default in the configuration files
524	  for all platforms that contain the required hardware.</para>
525
526	<para><application>C++</application> exception handling now
527	  works with <application>GCC</application>.</para>
528
529	<para>Support for <acronym>SMP</acronym> was added to the
530	  kernel, and enabled by default in the configuration files
531	  for all platforms that contain multi-core CPUs.</para>
532
533	<para>Support was added for:</para>
534
535	<itemizedlist>
536	  <listitem>
537	    <para>CHROMEBOOK (Samsung Exynos 5250)</para>
538	  </listitem>
539
540	  <listitem>
541	    <para>COLIBRI (Freescale Vybrid)</para>
542	  </listitem>
543
544	  <listitem>
545	    <para>COSMIC (Freescale Vybrid)</para>
546	  </listitem>
547
548	  <listitem>
549	    <para>IMX53-QSB (Freescale i.MX53)</para>
550	  </listitem>
551
552	  <listitem>
553	    <para>QUARTZ (Freescale Vybrid)</para>
554	  </listitem>
555
556	  <listitem>
557	    <para>RADXA (Rockchip rk30xx)</para>
558	  </listitem>
559
560	  <listitem>
561	    <para>WANDBOARD (Freescale i.MX6)</para>
562	  </listitem>
563	</itemizedlist>
564
565	<para>An <acronym>I2C</acronym> driver was added for
566	  the RaspberryPi.</para>
567
568	<para>Drivers have been added to support <acronym>TI</acronym>
569	  platforms, such as BEAGLEBONE and PANDABOARD:</para>
570
571	<itemizedlist>
572	  <listitem>
573	    <para>PRUSS (Programmable Realtime Unit Subsystem)</para>
574	  </listitem>
575
576	  <listitem>
577	    <para>MBOX (Mailbox hardware)</para>
578	  </listitem>
579
580	  <listitem>
581	    <para>SDHCI (new faster driver for
582	      <acronym>MMC</acronym>/<acronym>SD</acronym>
583	      storage)</para>
584	  </listitem>
585
586	  <listitem>
587	    <para>PPS (Pulse Per Second input on a
588	      <acronym>GPIO</acronym>/timer pin)</para>
589	  </listitem>
590
591	  <listitem>
592	    <para>PWM (Pulse Width Modulation output)</para>
593	  </listitem>
594
595	  <listitem>
596	    <para>ADC (Analog to Digital converter)</para>
597	  </listitem>
598	</itemizedlist>
599      </sect3>
600
601      <sect3 xml:id="boot">
602	<title>Boot Loader Changes</title>
603
604	<para revision="262701">A kernel selection menu has been added
605	  to &man.loader.8;.  If the <quote>beastie menu</quote> is
606	  enabled, the kernel to boot may be selected from the kernel
607	  selection menu.  Additional kernels may be listed in
608	  &man.loader.conf.5; as a comma- or space-separated list.  By
609	  default, <literal>kernel</literal> and
610	  <literal>kernel.old</literal> are listed.</para>
611
612	<para revision="271130" contrib="sponsor" sponsor="&ff;">The
613	  <filename class="directory">sys/boot/</filename> sources
614	  have been rearranged, moving &man.libstand.3; to a directory
615	  indicating the library is built as 32-bit.</para>
616
617	<para revision="271135" contrib="sponsor" sponsor="&ff;">The
618	  &man.libstand.3; library has been updated to produce
619	  a 64-bit shared library for the &os;/&arch.amd64; and
620	  &os;/&arch.powerpc64; architectures.</para>
621
622	<para revision="271135" contrib="sponsor"
623	  sponsor="&ff;">Initial support for <acronym>UEFI</acronym>
624	  boot has been added.</para>
625
626	<para revision="271136" contrib="sponsor" sponsor="&ff;">Three
627	  new files are installed to <filename
628	    class="directory">/boot</filename>, supporting
629	  <acronym>UEFI</acronym> boot:</para>
630
631	<itemizedlist>
632	  <listitem>
633	    <para><filename>boot1.efi</filename>: The
634	      <acronym>UEFI</acronym> first stage bootstrap
635	      file.</para>
636	  </listitem>
637
638	  <listitem>
639	    <para><filename>boot1.efifat</filename>:
640	      A <acronym>FAT</acronym> filesystem image containing
641	      an <acronym>EFI</acronym> system partition.</para>
642	  </listitem>
643
644	  <listitem>
645	    <para><filename>loader.efi</filename>: The third stage
646	      bootstrap file.</para>
647	  </listitem>
648	</itemizedlist>
649
650	<para revision="271880">Serial console and null console
651	  support has been added to the <acronym>UEFI</acronym> boot
652	  loader.</para>
653
654	<para revision="272006">Support has been added to cache
655	  &man.geli.8; passphrases during system boot.  When a system
656	  is configured with multiple <literal>GEOM_ELI</literal>
657	  providers all using the same passphrase, the passphrase that
658	  is cached after the first entry is used for the subsequent
659	  <literal>GEOM_ELI</literal> provider.  If the passphrase in
660	  the cache is incorrect, then a prompt for the passphrase for
661	  the next provider is displayed.</para>
662      </sect3>
663
664      <sect3 xml:id="proc">
665	<title>Hardware Support</title>
666
667	<sect4 xml:id="net-if">
668	  <title>Network Interface Support</title>
669
670	  <para revision="259453">Support for Ralink RT5370 and
671	    RT5372 chipsets has been added to the &man.run.4;
672	    driver.</para>
673
674	  <para revision="260120">Firmware for the &man.run.4; driver
675	    has been updated to version 0.33.</para>
676
677	  <para revision="261868">Support for the Ralink RT3593
678	    chipset has been added to the &man.run.4; driver.</para>
679
680	  <para revision="261972">The &man.nve.4; driver is now
681	    deprecated, and the &man.nfe.4; driver should be used
682	    instead.</para>
683
684	  <para revision="262137">Support for the &man.axge.4; driver
685	    has been added.  This driver supports the ASIX AX88178A
686	    and AX88179 USB ethernet adapters.  The AX88178A supports
687	    USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
688
689	  <para revision="262363">The &man.urndis.4; driver has been
690	    imported from OpenBSD.</para>
691
692	  <para revision="264866">Support for multiple
693	    transmitter/receiver queues has been added to the
694	    &man.vmx.4; driver.</para>
695
696	  <note>
697	    <para>The &os;&nbsp;guest operating system must have
698	      <acronym>MSIX</acronym> enabled as a prerequisite for
699	      multiple queues.</para>
700	  </note>
701
702	  <para revision="265345">Support for the ASUS USB-N10 Nano
703	    wireless card has been added to the &man.urtwn.4;
704	    driver.</para>
705
706	  <para revision="266212">Transmission checksum offloading has
707	    been disabled for the RTL8168C and RTL8168CP chipsets in
708	    the &man.re.4; driver for TCP and UDP frames.  This is
709	    due to a report of UDP datagrams with IP options
710	    generating corrupt frames.</para>
711
712	  <para revision="266578">Preliminary support has been added
713	    to the &man.urtwn.4; driver for the Realtek RTL8188EUS and
714	    RTL8188ETV chipsets.</para>
715
716	  <para revision="267694">A bug in the fast receiver buffer
717	    recycle path has been fixed in the &man.cxgbe.4;
718	    driver.</para>
719
720	  <para revision="267849" contrib="vendor"
721	    vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for
722	    T4 and T5 cards has been updated to version
723	    1.11.27.0.</para>
724
725	  <para revision="269196">The &man.em.4; driver has been
726	    updated to version 7.4.2.</para>
727
728	  <para revision="269975">The &man.ixgbe.4; tunables have been
729	    renamed to match their &man.sysctl.8; counterparts:</para>
730
731	  <informaltable frame="none" pgwide="0">
732	    <tgroup cols="2">
733	      <colspec colwidth="1*"/>
734	      <colspec colwidth="1*"/>
735	      <thead>
736		<row>
737		  <entry>Old Name</entry>
738		  <entry>New Name</entry>
739		</row>
740	      </thead>
741
742	      <tbody>
743		<row>
744		  <entry><literal>hw.ixgbe.enable_aim</literal></entry>
745		  <entry><literal>hw.ix.enable_aim</literal></entry>
746		</row>
747
748		<row>
749		  <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry>
750		  <entry><literal>hw.ix.max_interrupt_rate</literal></entry>
751		</row>
752
753		<row>
754		  <entry><literal>hw.ixgbe.rx_process_limit</literal></entry>
755		  <entry><literal>hw.ix.rx_process_limit</literal></entry>
756		</row>
757
758		<row>
759		  <entry><literal>hw.ixgbe.tx_process_limit</literal></entry>
760		  <entry><literal>hw.ix.tx_process_limit</literal></entry>
761		</row>
762
763		<row>
764		  <entry><literal>hw.ixgbe.enable_msix</literal></entry>
765		  <entry><literal>hw.ix.enable_msix</literal></entry>
766		</row>
767
768		<row>
769		  <entry><literal>hw.ixgbe.num_queues</literal></entry>
770		  <entry><literal>hw.ix.num_queues</literal></entry>
771		</row>
772
773		<row>
774		  <entry><literal>hw.ixgbe.txd</literal></entry>
775		  <entry><literal>hw.ix.txd</literal></entry>
776		</row>
777
778		<row>
779		  <entry><literal>hw.ixgbe.rxd</literal></entry>
780		  <entry><literal>hw.ix.rxd</literal></entry>
781		</row>
782
783		<row>
784		  <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry>
785		  <entry><literal>hw.ix.unsupported_sfp</literal></entry>
786		</row>
787	      </tbody>
788	    </tgroup>
789	  </informaltable>
790
791	  <para>Be sure to update &man.loader.conf.5; if using the
792	    old tunables before upgrading to
793	    &os;&nbsp;&release.current;.</para>
794
795	  <para revision="270061">The &man.if.nf10bmac.4; driver has
796	    been merged from &os;-CURRENT to support the NetFPGA-10G
797	    Embedded CPU Ethernet Core.</para>
798
799	  <para revision="270297">The &man.cxgbe.4; driver has been
800	    updated to support &man.netmap.4; for the T5 10G/40G
801	    cards.</para>
802
803	  <para revision="270509">The &man.vtnet.4; driver has been
804	    updated to support &man.netmap.4;.</para>
805
806	  <para revision="270514">The &man.urtwn.4; driver has been
807	    updated to support the ASUS USB-AC51 wireless card.</para>
808
809	  <para revision="270631">The &intel;&nbsp;XL710 ethernet
810	    controller driver, <literal>ixlv(4)</literal>, has been
811	    merged from &os;-CURRENT.</para>
812	</sect4>
813      </sect3>
814
815      <sect3 xml:id="net-proto">
816	<title>Network Protocols</title>
817
818	<para revision="265946">Support for the UDP-Lite protocol
819	  (RFC 3828) has been added to the IPv4 and IPv6
820	  stacks.</para>
821
822	<para revision="267771">A bug in &man.sctp.4; that would allow
823	  two listening sockets bound to the same port has been
824	  fixed.</para>
825
826	<para contrib="sponsor" sponsor="&ix;">Kernel RPC code, which
827	  is a base of NFS server took multiple optimizations, that
828	  significantly improved its performance and
829	  <acronym>SMP</acronym> scalability.</para>
830
831	<para revision="269065" contrib="sponsor" sponsor="&ff;">The
832	  <acronym>iSCSI</acronym> initiator has been updated to
833	  support redirection handling when an
834	  <acronym>iSCSI</acronym> device is configured with multiple
835	  <acronym>IP</acronym> addresses across different network
836	  interfaces.  Previously, clients connecting to
837	  such <acronym>iSCSI</acronym> devices could require
838	  additional client-side configuration.</para>
839
840	<para revision="265523" contrib="sponsor" sponsor="&ff;">A new
841	  &man.sysctl.8;,
842	  <literal>kern.iscsi.fail_on_disconnection</literal>, has
843	  been added, which allows <acronym>iSCSI</acronym> clients to
844	  remove the attached disk device when the connection to the
845	  target is dropped, where previously I/O would stop until the
846	  connection is restored.</para>
847
848	<para revision="265524" contrib="sponsor" sponsor="&ff;">The
849	  <acronym>iSCSI</acronym> transmit code has been optimized
850	  to coalesce <acronym>PDUs</acronym> and avoid lock
851	  contention.</para>
852
853	<para revision="265524" contrib="sponsor"
854	  sponsor="&ix;">Several performance optimizations have been
855	  made to the <acronym>iSCSI</acronym> subsystem, including
856	  deferring wakeup until enough data has been received to
857	  read or write a file, reducing <acronym>CPU</acronym> usage
858	  and throughput performance with large I/O workloads.</para>
859
860	<para revision="263720" contrib="sponsor"
861	  sponsor="&ff;">Support for hostname- and IP-based access
862	  restriction has been added to the <acronym>iSCSI</acronym>
863	  &man.ctld.8; daemon.</para>
864
865	<para revision="263725" contrib="sponsor"
866	  sponsor="&ff;">The &man.ctld.8; daemon has been updated
867	  to allow overriding the <quote>default</quote>
868	  <literal>portal-group</literal> configuration.</para>
869
870	<para revision="263726" contrib="sponsor"
871	  sponsor="&ff;">The &man.ctld.8; daemon now includes a new
872	  <literal>auth-group</literal>, <quote>default</quote>,
873	  defaulting to <literal>deny</literal>, which is possible
874	  to override.</para>
875      </sect3>
876
877      <sect3 xml:id="disks">
878	<title>Disks and Storage</title>
879
880	<para revision="260385" contrib="sponsor" sponsor="&ix;">The
881	  &man.geom.4; subsystem has been updated to support I/O
882	  direct dispatch.  When safety requirements are met, it
883	  enables avoiding passing I/O requests to GEOM
884	  <literal>g_up</literal>/<literal>g_down</literal> thread,
885	  executing them directly in the caller context, avoiding
886	  CPU bottlenecks in
887	  <literal>g_up</literal>/<literal>g_down</literal> threads,
888	  plus avoid several context switches per I/O.</para>
889
890	<para revision="260385" contrib="sponsor" sponsor="&ix;">The
891	  &man.geom.4; RAID driver has been
892	  updated to support unmapped I/O.</para>
893
894	<para revision="260387" contrib="sponsor" sponsor="&ix;">The
895	  &man.cam.4; subsystem has been updated to support
896	  finer-grained locking, direct dispatch and multi-queue,
897	  which combined with &man.geom.4; direct dispatch, reduces
898	  lock congestion and improves <acronym>SMP</acronym>
899	  scalability of the SCSI/ATA stack.</para>
900
901	<para revision="260478">The &man.geom.8;
902	  <literal>GEOM_MULTIPATH</literal> class has been updated to
903	  support automatic live partition resizing.</para>
904
905	<para revision="260857">The &man.virtio_blk.4; driver has been
906	  updated to support unmapped I/O.</para>
907
908	<para revision="260858">The &man.virtio_scsi.4; driver has
909	  been updated to support unmapped I/O.</para>
910
911	<para revision="264522">Support for LUN-based CD changers has
912	  been removed from the &man.cd.4; driver.</para>
913
914	<para revision="264732">Support for
915	  <literal>BIO_DELETE</literal> has been added to &man.zfs.8;
916	  <literal>zvol</literal> volumes.</para>
917
918	<para revision="264734">Support for 9th generation HP host bus
919	  adapter cards has been added to &man.ciss.4;.</para>
920
921	<para revision="265388" contrib="sponsor" sponsor="&lsi;">The
922	  &man.mpr.4; device has been added,
923	  providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
924	  controllers.</para>
925
926	<para revision="265678">A new <literal>zvol</literal> property
927	  <literal>volmode</literal> and  &man.sysctl.8;
928	  <literal>vfs.zfs.vol.mode</literal> has been added to allow
929	  switching <literal>zvol</literal> between three different
930	  ways of exposing it to a user: <literal>geom</literal>,
931	  <literal>dev</literal> and <literal>none</literal>.</para>
932
933	<para revision="265922" contrib="sponsor" sponsor="&lsi;">The
934	  &man.mrsas.4; driver has been added, providing support for
935	  LSI MegaRAID SAS controllers.  The &man.mfi.4; driver will
936	  attach to the controller, by default.  To enable
937	  &man.mrsas.4; add <literal>hw.mfi.mrsas_enable=1</literal>
938	  to <filename>/boot/loader.conf</filename>, which turns off
939	  &man.mfi.4; device probing.</para>
940
941	<note>
942	  <para>At this time, the &man.mfiutil.8; utility and the &os;
943	    version of <application>MegaCLI</application> and
944	    <application>StorCli</application> do not work with
945	    &man.mrsas.4;.</para>
946	</note>
947
948	<para revision="266608">Fixed accounting of
949	  <literal>BIO_FLUSH</literal> operation in &man.geom.8;
950	  <literal>GEOM_DISK</literal> class</para>
951
952	<para revision="266610">The &man.gstat.8; utility now has an
953	  <literal>-o</literal> option, to display
954	  <quote>other</quote> operations, such as
955	  <literal>BIO_FLUSH</literal>.</para>
956
957	<para revision="267084">The &man.mfi.4; driver has been
958	  updated to include support for unmapped I/O.</para>
959
960	<para revision="267457">The &man.hpt27xx.4; driver has been
961	  updated with various vendor-supplied bug fixes.</para>
962
963	<para revision="270130" contrib="sponsor"
964	  sponsor="&citrix.rd;">Support for unmapped I/O has been
965	  added to the &man.xen.4; <literal>blkfront</literal>
966	  driver.</para>
967
968	<para revision="259328" contrib="sponsor" sponsor="&ff;">The
969	  &man.geom.8; <literal>label</literal> class is now aware of
970	  resized partitions.  This corrects an issue where
971	  <command>geom resize</command> would resize the partition,
972	  but the label provider in <filename
973	    class="directory">/dev/gptid/</filename> would not be
974	  resized.</para>
975
976	<para revision="260502">The &man.gmirror.8;
977	  utility now has a <literal>resize</literal> command, making
978	  it easier to resize the size of a mirror when all of its
979	  components have been replaced.</para>
980
981	<para revision="262967">Support for MegaRAID Fury cards has
982	  been added to the &man.mfi.4; driver.</para>
983
984	<para revision="263024">The &man.aacraid.4; driver has been
985	  updated to version 3.2.5.</para>
986
987	<para revision="265536">The <literal>GEOM_VINUM</literal>
988	  option is now able to be built both directly into the kernel
989	  or as a &man.kldload.8; loadable module.</para>
990
991	<para revision="265912">The &man.geom.8;
992	  <literal>GEOM_PART</literal> class has been updated to
993	  support automatic partition resizing.  Changes to the
994	  partition size are not saved to disk until
995	  <command>gpart commit</command> is run, and prior to saving,
996	  can be reverted with <command>gpart undo</command>.</para>
997
998	<para revision="266220">The &man.geom.uncompress.4; module is
999	  built by default which, similar to &man.geom.uzip.4;,
1000	  provides support for compressed, read-only disk
1001	  images.</para>
1002
1003	<para revision="268091">Support for the
1004	  <literal>disklabel64</literal> partitioning scheme has been
1005	  added to &man.gpart.8;.</para>
1006
1007	<para revision="270552">A new &man.sysctl.8; and
1008	  &man.loader.8; tunable,
1009	  <literal>kern.geom.part.mbr.enforce_chs</literal> has been
1010	  added to the &man.geom.8; <literal>MBR</literal> partition
1011	  class.  When set to a non-zero value,
1012	  <literal>GEOM_PART_MBR</literal> will automatically
1013	  recalculate the user-specified offset and size for alignment
1014	  with the disk geometry.</para>
1015
1016	<para contrib="sponsor" sponsor="&ix;">Many improvements to
1017	  the CAM Target Layer (CTL):</para>
1018	<itemizedlist>
1019	  <listitem>
1020	    <para>Support for <literal>UNMAP</literal>, <literal>WRITE
1021		SAME</literal>, <literal>COMPARE AND WRITE</literal>,
1022	      <literal>XCOPY</literal> and some other SCSI commands
1023	      was added to support VMWare VAAI and Microsoft ODX
1024	      storage acceleration.</para>
1025	  </listitem>
1026	  <listitem>
1027	    <para revision="265642">The
1028	      <literal>READ</literal>/<literal>WRITE</literal> size
1029	      limitations were removed by supporting multiple
1030	      data moves per command.</para>
1031	  </listitem>
1032	  <listitem>
1033	    <para revision="268556">Finer-grained per-LUN locking and
1034	      multiple worker threads for better
1035	      <acronym>SMP</acronym> scapability.</para>
1036	  </listitem>
1037	  <listitem>
1038	    <para revision="269297">Memory consumption reduced by
1039	      several times by disabling some never used
1040	      functionality.</para>
1041	  </listitem>
1042	  <listitem>
1043	    <para revision="269298">The maximum number of
1044	      <acronym>SCSI</acronym> ports increased from 32 to
1045	      128.</para>
1046	  </listitem>
1047	  <listitem>
1048	    <para revision="269429">Improved <literal>zvol</literal>
1049	      integration for better performance.</para>
1050	  </listitem>
1051	</itemizedlist>
1052
1053	<para revision="270810" contrib="vendor"
1054	  vendor="&highpoint;">The &man.hptnr.4; driver has been
1055	  updated to version 1.0.1.</para>
1056
1057	<para revision="271234">The &man.mrsas.4; driver has been
1058	  added to the <filename>GENERIC</filename> kernel
1059	  configuration on &arch.amd64; and &arch.i386;
1060	  architectures.</para>
1061      </sect3>
1062
1063      <sect3 xml:id="fs">
1064	<title>File Systems</title>
1065
1066	<para revision="260338">The
1067	  <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has
1068	  been re-enabled.  On multi-CPU machines with enough RAM,
1069	  this can easily double &man.zfs.8; performance or reduce CPU
1070	  usage in half.  It was originally disabled due to memory and
1071	  <acronym>KVA</acronym> exhaustion problem reports, which
1072	  should be resolved due to several changes in the VM
1073	  subsystem.</para>
1074
1075	<para revision="260178" contrib="vendor"
1076	  vendor="&netflix;">A new flag, <literal>-R</literal>,
1077	  has been added to the &man.fsck.ffs.8; utility.  When used,
1078	  &man.fsck.ffs.8; will restart itself when too many critical
1079	  errors have been detected.</para>
1080
1081	<para revision="263407">The &man.zfs.8; filesystem has been
1082	  updated to implement <quote>bookmarks</quote>.  See
1083	  &man.zfs.8; for further details.</para>
1084
1085	<para revision="266122">The &man.zfs.8; filesystem has been
1086	  updated to allow tuning the minimum <quote>ashift</quote>
1087	  value when creating new top-level virtual devices (vdevs).
1088	  To set the minimum ashift value, for example when creating
1089	  a &man.zpool.8; on <quote>Advanced Format</quote> drives,
1090	  set the <literal>vfs.zfs.min_auto_ashift</literal>
1091	  &man.sysctl.8; accordingly.</para>
1092
1093	<para revision="266612">The <literal>libzfs</literal> thread
1094	  pool <acronym>API</acronym> has been imported from
1095	  OpenSolaris, and adapted for &os;.  This change allows
1096	  parallel disk scanning, which can reduce &man.zpool.8;
1097	  overall import time in some workloads.</para>
1098
1099	<para revision="269651">The &man.restore.8; utility has been
1100	  updated to prevent assertion failures when restoring
1101	  a <acronym>UFS</acronym> filesystem dump to
1102	  a <acronym>ZFS</acronym> filesystem by writing restored
1103	  files in block sizes that are a multiple of 1024.</para>
1104
1105	<para revision="269774">Two &man.sysctl.8;s have been added
1106	  to the &man.zfs.8; filesystem:</para>
1107
1108	<itemizedlist>
1109	  <listitem>
1110	    <para>
1111	      <literal>vfs.zfs.mg_fragmentation_threshold</literal>:&nbsp;The
1112	      percentage of the metaslab group size that should be
1113	      considered eligible for allocation, unless all metaslab
1114	      groups within the metaslab class have also crossed this
1115	      threshold.</para>
1116	  </listitem>
1117
1118	  <listitem>
1119	    <para>
1120	      <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>:&nbsp;The
1121	      maximum percentage of metaslab fragmentation level to
1122	      keep their active state</para>
1123	  </listitem>
1124	</itemizedlist>
1125
1126	<para revision="269846">The default &man.zfs.8;
1127	  <acronym>ARC</acronym> hash table size has been increased,
1128	  and a new &man.loader.8; tunable,
1129	  <literal>vfs.zfs.arc_average_blocksize</literal>, has been
1130	  added.  Previously, the hash table could be too small, which
1131	  would lead to long hash chains and limit performance for
1132	  cached reads.  The
1133	  <literal>vfs.zfs.arc_average_blocksize</literal> tunable
1134	  allows overriding the default block size.  The previous
1135	  default was 65536, and default of the new &man.loader.8;
1136	  tunable is 8192.</para>
1137
1138	<para revision="270157">The Fast File System
1139	  (<acronym>FFS</acronym>) has been updated to support
1140	  multi-threaded soft updates.  Previously, soft updates were
1141	  handled by a single thread, and as of this change, now have
1142	  one thread per <acronym>FFS</acronym> mountpoint.</para>
1143
1144	<para revision="270892" contrib="sponsor" sponsor="&ff;">The
1145	  new filesystem automount facility, &man.autofs.5;, has been
1146	  merged from &os;-CURRENT.  The new &man.autofs.5; facility
1147	  is similar to that found in other &unix;-like operating
1148	  systems, such as OS&nbsp;X&trade; and Solaris&trade;.  The
1149	  &man.autofs.5; facility uses a &sun;-compatible
1150	  &man.auto.master.5; configuration file, and is administered
1151	  with the &man.automount.8; userland utility, and the
1152	  &man.automountd.8; and &man.autounmountd.8; daemons.</para>
1153      </sect3>
1154    </sect2>
1155
1156    <sect2 xml:id="userland">
1157      <title>Userland Changes</title>
1158
1159      <para revision="260177" contrib="sponsor"
1160	sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
1161	<literal>-b</literal>, which outputs the existing buses and
1162	their parents.</para>
1163
1164      <para revision="262075">The &man.newsyslog.8; utility has been
1165	updated to rotate files based on the actual file size instead
1166	of the blocks on disk.  This matches the behavior documented
1167	in &man.newsyslog.conf.5;.</para>
1168
1169      <para revision="262384">The location of the &man.rctl.8;
1170	configuration file can now be overridden in &man.rc.conf.5;.
1171	To use a non-default location, set
1172	<literal>rctl_rules</literal> in &man.rc.conf.5; to the
1173	location of the file.</para>
1174
1175      <para revision="262855">The <application>ATF</application> test
1176	suite has been updated to version 0.20.  The test suite is
1177	disabled by default in &os;&nbsp;10.1, and can be enabled by
1178	adding <literal>WITH_TESTS=yes</literal> to
1179	&man.src.conf.5;.</para>
1180
1181      <para revision="263019">The <literal>libucl</literal> library
1182	(Unified Configuration Library) has been merged from
1183	&os;-CURRENT.</para>
1184
1185      <para revision="263020">The &man.pkg.7; bootstrapping utility
1186	has been synced with the version in &os;-CURRENT.</para>
1187
1188      <para revision="263403">The &man.zfs.8; userland utility has
1189	been updated to include aliases for
1190	<command>snapshot</command>, which allows use of <command>zfs
1191	  list -t snap</command> and <command>zfs
1192	  snap</command>.</para>
1193
1194      <para revision="263405">The &man.zfs.8; userland utility has
1195	been updated to include a new flag to <command>zfs
1196	  list</command>, <literal>-p</literal>, which when specified,
1197	prints the output in a parsable format.</para>
1198
1199      <para revision="263783">The Blowfish password format
1200	implementation has been updated.  Support for
1201	&dollar;2b&dollar; has been added, allowing use of passwords
1202	greater than 256 characters long.</para>
1203
1204      <para revision="264497">The &man.iconv.3; library has been
1205	updated to match NetBSD, providing several bug fixes.</para>
1206
1207      <para revision="265265">The &man.date.1; utility has been
1208	updated to include a new flag, <literal>-R</literal>, which
1209	prints the date and time output as specified in RFC
1210	2822.</para>
1211
1212      <para revision="265533">The &man.bc.1; utility has been updated
1213	to version 1.1, in sync with the version in OpenBSD.</para>
1214
1215      <para revision="265604" contrib="vendor"
1216	vendor="&netflix;">The &man.pmcstat.8; utility has been
1217	updated to include a new flag, <literal>-a</literal>, which
1218	when specified, produces a full stack track on the sampled
1219	points.</para>
1220
1221      <para revision="265701">The &man.netstat.8; and &man.route.8;
1222	utilities have been updated to include a shorthand equivalent
1223	to the <literal>-f inet</literal> and <literal>-f
1224	  inet6</literal> address specifiers, <literal>-4</literal>
1225	and <literal>-6</literal>, respectively.</para>
1226
1227      <para revision="265879">The &man.crypt.3; library now defaults
1228	to SHA512 for password hashing.</para>
1229
1230      <para revision="266014">The &man.gvinum.8; utility has been
1231	updated to allow forceful configuration reset with the
1232	<literal>-f</literal> flag.  Additionally, a bug that would
1233	prevent <literal>-f</literal> from properly creating
1234	a &man.gvinum.8; configuration has been fixed.</para>
1235
1236      <para revision="266029">The &man.login.conf.5; file now takes
1237	precedence over the shell-specific environment files.  In
1238	particular, the <literal>PATH</literal>,
1239	<literal>BLOCKSIZE</literal> variables are commented from
1240	<filename>/usr/share/skel/dot.profile</filename>, and the
1241	<literal>path</literal>, <literal>BLOCKSIZE</literal>, and
1242	<literal>umask</literal> variables have been commented from
1243	<filename>/usr/share/skel/dot.cshrc</filename>.</para>
1244
1245      <para revision="266272">The &man.binmiscctl.8; userland utility
1246	and related image activator features have been merged from
1247	&os;-CURRENT.</para>
1248
1249      <para revision="266279">The &man.ps.1; utility has been
1250	updated to include the <literal>-J</literal> flag, used to
1251	filter output by matching &man.jail.8; IDs and names.
1252	Additionally, argument <literal>0</literal> can be used to
1253	<literal>-J</literal> to only list processes running on the
1254	host system.</para>
1255
1256      <para revision="266280">The &man.top.1; utility has been updated
1257	to filter by &man.jail.8; ID or name, in followup to the
1258	&man.ps.1; change in <literal>r265229</literal>.</para>
1259
1260      <para revision="266610">The &man.gstat.8; utility has been
1261	updated to include a new flag, <literal>-o</literal>.  When
1262	set, &man.gstat.8; will display statistics for operations
1263	such as <literal>BIO_FLUSH</literal>.</para>
1264
1265      <para revision="266632">The &man.fetch.3; library has been
1266	updated to look for root <acronym>SSL</acronym> certificates
1267	in <filename class="directory">/usr/local/etc/ssl/</filename>
1268	before <filename
1269	  class="directory">/etc/ssl/</filename>.</para>
1270
1271      <para revision="266715">The &man.clang.1;/llvm suite has been
1272	updated to version 3.4.1.</para>
1273
1274      <para revision="266816">The Blowfish password format
1275	has been changed to &dollar;2b&dollar; by default.</para>
1276
1277      <para revision="266888">The amount of data collected for
1278	&man.hwpmc.4; has been updated to work with modern processors
1279	and larger amounts of available memory.</para>
1280
1281      <para revision="266890">The &man.pmcstat.8; utility has been
1282	updated to include a new flag, <literal>-l</literal>, which
1283	ends event collection after the specified number of
1284	seconds.</para>
1285
1286      <para revision="266953">The &man.mergemaster.8; utility has
1287	been updated to avoid printing
1288	<quote><filename>/var/tmp/temproot</filename>
1289	  disappeared</quote> if there is nothing to compare.</para>
1290
1291      <para revision="267056">The &os; installer, &man.bsdinstall.8;,
1292	has been updated to include optional
1293	&man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap
1294	devices when installing onto a full &man.zfs.8; filesystem.
1295	Additionally, the parent &man.zfs.8; dataset is now configured
1296	with <literal>lz4</literal> compression enabled.</para>
1297
1298      <para revision="267113">The default &man.newsyslog.conf.5; now
1299	includes files in the
1300	<filename>/etc/newsyslog.conf.d/</filename> and
1301	<filename>/usr/local/etc/newsyslog.conf.d/</filename>
1302	directories by default for &man.newsyslog.8;.</para>
1303
1304      <para revision="267161">The &man.realpath.1; utility has been
1305	updated to return <literal>ENOTDIR</literal> on paths
1306	components <quote>.</quote> and <quote>..</quote> that are
1307	not directories, such as <filename
1308	  class="directory">/dev/null/.</filename> or <filename
1309	  class="directory">/dev/null/..</filename>.</para>
1310
1311      <para revision="267236">A new flag, <quote>onifconsole</quote>
1312	has been added to <filename>/etc/ttys</filename>.  This allows
1313	the system to provide a login prompt via serial console if the
1314	device is an active kernel console, otherwise it is equivalent
1315	to <literal>off</literal>.</para>
1316
1317      <para revision="267341">Support for legacy
1318	<acronym>PCI</acronym> devices has been removed from
1319	&man.bhyve.8;.</para>
1320
1321      <para revision="267450">The &man.bhyve.8; userland utility
1322	has been updated to include SMBIOS support.  A new flag has
1323	been added, <literal>-U</literal>, which allows specifying the
1324	UUID of the guest in the System Information structure.</para>
1325
1326      <para revision="267734">The &os;&nbsp;Project has migrated
1327	from the <application>GNATS</application> bug tracking system
1328	to <application>Bugzilla</application>.  The &man.send-pr.1;
1329	utility used for submitting problem reports has been replaced
1330	with a stub shell script that instructs to use the Bugzilla
1331	web interface.</para>
1332
1333      <para revision="267747">The &man.patch.1; utility has been
1334	updated to include a <literal>--dry-run</literal> flag, which
1335	is equivalent to <literal>--check</literal> and
1336	<literal>-C</literal>.</para>
1337
1338      <para revision="267878">A bug in &man.bsdgrep.1; that would
1339	prevent patterns from being matched under certain conditions
1340	has been fixed.</para>
1341
1342      <para revision="267979">The &man.procstat.1; utility has been
1343	updated to include two new flags, <literal>-r</literal> and
1344	<literal>-H</literal>.  When <literal>-r</literal> is
1345	specified, &man.procstat.1; will print current resource usage
1346	about the process(es).  When <literal>-H</literal> is
1347	specified, &man.procstat.1; will print information about
1348	threads rather than the process(es).</para>
1349
1350      <note>
1351	<para>The <literal>-H</literal> flag is currently only used
1352	  with <literal>-r</literal> to display resource usage for
1353	  individual threads, rather than the entire process.</para>
1354      </note>
1355
1356      <para revision="268019">The &man.sed.1; utility has been
1357	updated to include a new flag, <literal>-u</literal>, which
1358	enables unbuffered output when specified.</para>
1359
1360      <para revision="268161">The &man.mkimg.1; utility has been
1361	merged from &os;-CURRENT.</para>
1362
1363      <para revision="268700" contrib="sponsor"
1364	sponsor="&spectralogic;">The &man.camcontrol.8; has been
1365	updated to include a new <literal>persist</literal> command,
1366	which allows issuing <command>SCSI PERSISTENT RESERVE
1367	  IN</command> and <command>SCSI PERSISTENT RESERVE
1368	  OUT</command>.</para>
1369
1370      <para revision="268791">The &man.gstat.8; utility has been
1371	updated to include a new flag, <literal>-p</literal>, which
1372	displays only physical providers when specified.</para>
1373
1374      <para revision="268903">The &man.kldstat.8; utility has been
1375	updated to allow <literal>-q</literal> to be specified when
1376	also specifying <literal>-n
1377	  <replaceable>module.ko</replaceable></literal>.</para>
1378
1379      <para revision="269177">The &man.mkimg.1; utility has been
1380	updated to include support for both fixed- and
1381	dynamically-allocated images for the <acronym>VHD</acronym>
1382	and <acronym>VMDK</acronym> formats.</para>
1383
1384      <para revision="269220">The &man.random.4; entropy collection
1385	script, <filename>/usr/libexec/save-entropy</filename>, no
1386	longer runs within &man.jail.8; environments.</para>
1387
1388      <para revision="269397">The &man.bhyve.8; wrapper script,
1389	<filename>/usr/share/examples/bhyve/vmrun.sh</filename>,
1390	has been synced with &os;-CURRENT.</para>
1391
1392      <para>This update includes:</para>
1393
1394      <itemizedlist>
1395	<listitem>
1396	  <para>A new flag, <literal>-e</literal>, has been added,
1397	    which is used to set &man.loader.8; environment
1398	    variables.</para>
1399	</listitem>
1400
1401	<listitem>
1402	  <para>A new flag, <literal>-C</literal>, has been added,
1403	    which is used to specify the guest console device.</para>
1404	</listitem>
1405
1406	<listitem>
1407	  <para>A new flag, <literal>-H</literal>, has been added,
1408	    which is used to pass the host path to
1409	    &man.bhyveload.8;.</para>
1410	</listitem>
1411
1412	<listitem>
1413	  <para>Support for multiple disk and &man.tap.4; devices
1414	    has been added.</para>
1415	</listitem>
1416
1417	<listitem>
1418	  <para>The <literal>-I</literal> flag has been
1419	    removed.</para>
1420	</listitem>
1421      </itemizedlist>
1422
1423      <para revision="269398">The &man.nfsd.8; server update to 4.1,
1424	adding support for RFC5661, has merged from
1425	&os;-CURRENT.</para>
1426
1427      <para revision="269432" arch="ia64">The serial terminals
1428	<filename>ttyu0</filename> and <filename>ttyu1</filename> have
1429	been updated to <literal>onifconsole</literal> by default in
1430	&man.ttys.5;, which either can be the serial console,
1431	depending on the platform.</para>
1432
1433      <para revision="269800">The &man.ping6.8; utility has been
1434	updated to reset <literal>itimer</literal> when the maximum
1435	number of packets to send have been reached.  This prevents
1436	&man.ping6.8; from exiting when the interval in set to a small
1437	value and a low number of packets to send has been
1438	specified.</para>
1439
1440      <para revision="269805">The &man.jail.8; utility has been
1441	updated to support extra &man.ifconfig.8; arguments for the
1442	<literal>ip4.addr</literal> and <literal>ip6.addr</literal>
1443	parameters.  This change allows &man.carp.4; interfaces to
1444	be used within the &man.jail.8;.</para>
1445
1446      <para revision="269946">Support for generating and compiling
1447	<acronym>USDT</acronym> <application>DTrace</application>
1448	probes has been improved.  <application>DTrace</application>
1449	<acronym>USDT</acronym> files are now handled similar to
1450	&man.lex.1; and &man.yacc.1; files, meaning support for
1451	handling <application>D</application> files as part of the
1452	build process is built into the <literal>SRCS</literal>
1453	&man.make.1; environment variable.</para>
1454
1455      <para revision="269968">The &man.iscsictl.8; utility has been
1456	updated to include a new flag, <literal>-M</literal>, which
1457	allows modifying the <acronym>iSCSI</acronym> session
1458	parameters without requiring the session to be removed and
1459	added back.</para>
1460
1461      <para revision="270043">The &man.mount.nfs.8; utility has been
1462	updated to support specifying the NFS version as
1463	a <literal>key=<replaceable>value</replaceable></literal> pair
1464	argument to the <literal>-o</literal> flag.  For example, to
1465	specify NFS version 4, the syntax to use is
1466	<literal>-o&nbsp;vers=4</literal>.</para>
1467
1468      <para revision="270242" contrib="sponsor"
1469	sponsor="&spectralogic;">The &man.devd.8; client socket type
1470	has been changed to <literal>SOCK_SEQPACKET</literal>,
1471	providing sequential packet support.</para>
1472
1473      <para revision="270401">Support for the <quote>account</quote>
1474	facility has been added to the &man.pam.group.8;
1475	module.</para>
1476
1477      <para revision="270890">The &man.pathchk.1; utility has been
1478	updated to ensure bytes greater than or equal to 128 are
1479	considered non-portable.</para>
1480
1481      <para revision="270997" contrib="vendor" vendor="&freenas;">The
1482	&man.zdb.8; utility is now included in the set of applications
1483	installed in the <filename
1484	  class="directory">/rescue</filename> environment, making it
1485	possible to examine &man.zfs.8; filesystems when <filename
1486	  class="directory">/usr</filename> is unavailable.</para>
1487
1488      <para>Several <literal>libc</literal> improvements have been
1489	merged from illumos&trade; and &apple;, providing better
1490	internationalization support and &posix; compliance.</para>
1491
1492      <para revision="271967">Support for adding empty partitions has
1493	been added to the &man.mkimg.1; utility.</para>
1494
1495      <para revision="272819">Support for QCOW and QCOW2 disk image
1496	formats has been added to the &man.mkimg.1; utility.</para>
1497
1498      <para revision="273098">The &man.mkimg.1; utility has been
1499	updated to include three options used to print information
1500	about &man.mkimg.1; itself:</para>
1501
1502      <informaltable frame="none" pgwide="0">
1503	<tgroup cols="2">
1504	  <colspec colwidth="1*"/>
1505	  <colspec colwidth="1*"/>
1506	  <thead>
1507	    <row>
1508	      <entry>Option</entry>
1509	      <entry>Output</entry>
1510	    </row>
1511	  </thead>
1512
1513	  <tbody>
1514	    <row>
1515	      <entry><literal>--version</literal></entry>
1516	      <entry>The current version of the &man.mkimg.1;
1517		utility</entry>
1518	    </row>
1519
1520	    <row>
1521	      <entry><literal>--formats</literal></entry>
1522	      <entry>The disk image file formats supported by
1523		&man.mkimg.1;</entry>
1524	    </row>
1525
1526	    <row>
1527	      <entry><literal>--schemes</literal></entry>
1528	      <entry>The partition schemes supported by
1529		&man.mkimg.1;</entry>
1530	    </row>
1531	  </tbody>
1532	</tgroup>
1533      </informaltable>
1534
1535      <sect3 xml:id="rc-scripts">
1536	<title><filename>/etc/rc.d</filename> Scripts</title>
1537
1538	<para revision="264438">The <filename>network.subr</filename>
1539	  &man.rc.8; script has been updated to loosen the requirement
1540	  of listing network aliases in numeric order.  Previously,
1541	  a network alias of
1542	  <literal>_alias<replaceable>2</replaceable></literal>
1543	  would not be created if
1544	  <literal>_alias<replaceable>1</replaceable></literal> was
1545	  not defined.</para>
1546
1547	<para revision="268098">The &man.service.8; utility has been
1548	  updated to check that the &man.rc.d.8; directory exists
1549	  before traversing the directory.</para>
1550
1551	<para revision="259141">A regression introduced in
1552	  &os;&nbsp;10.0-RELEASE that would prevent proper IPv6
1553	  allocation via the &man.jail.8; &man.rc.8; startup script
1554	  has been fixed.</para>
1555
1556	<para revision="264438">The &man.rc.8; restriction requiring
1557	  &man.mdconfig.8; devices defined in &man.rc.conf.5; to be
1558	  listed sequentially has been removed.</para>
1559
1560	<para revision="262566">The &man.sshd.8; &man.rc.d.8; startup
1561	  script now generates <literal>ED25519</literal> &man.sshd.8;
1562	  host keys if keys do not already exist when
1563	  <literal>ssh_keygen_alg()</literal> is invoked.</para>
1564
1565	<para revision="271095">Support for &man.vt.4; keyboard maps
1566	  has been added to the <filename>syscons</filename>
1567	  &man.rc.d.8; startup script.</para>
1568
1569	<para revision="271260">Support for subdirectories within
1570	  <filename
1571	    class="directory">/etc/rc.conf.d/<replaceable>service</replaceable>/</filename>
1572	  has been added the &man.rc.d.8;.  This allows creating
1573	  separate configuration files for services such as
1574	  <filename>netif</filename>, for example, where each network
1575	  interface can have a separate configuration file.</para>
1576
1577	<para revision="272078">The default &man.rc.conf.5;,
1578	  <filename>/etc/defaults/rc.conf</filename>, has been updated
1579	  to include <filename
1580	    class="directory">/usr/lib32/compat</filename> in the
1581	  default <filename>ld-elf32.so.1</filename> search
1582	  path.</para>
1583      </sect3>
1584
1585      <sect3 xml:id="periodic-scripts">
1586	<title><filename>/etc/periodic</filename> Scripts</title>
1587
1588	<para revision="272430">The daily &man.periodic.8; script
1589	  <filename>110.clean-tmps</filename> has been updated to
1590	  avoid crossing filesystem mount boundaries when cleaning
1591	  files in <filename class="directory">/tmp</filename>.</para>
1592      </sect3>
1593    </sect2>
1594
1595    <sect2 xml:id="contrib">
1596      <title>Contributed Software</title>
1597
1598      <para revision="263285">The &man.xz.1; utility has been updated
1599	to a post-5.0.5 snapshot.</para>
1600
1601      <para revision="264377"><application>OpenSSH</application> has
1602	been updated to version 6.6p1.</para>
1603
1604      <para revision="264911">The &man.nc.1; utility has been updated
1605	to match the version in OpenBSD 5.5.</para>
1606
1607      <para revision="266692"><application>Sendmail</application>
1608	has been updated to 8.14.9.</para>
1609
1610      <para revision="268515">The &man.file.1; utility and
1611	&man.libmagic.3; library have been updated to 5.19.</para>
1612
1613      <para revision="268899">The &man.byacc.1; parser has been
1614	updated to version 20140422.</para>
1615
1616      <para revision="269024" contrib="sponsor"
1617	sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
1618	been updated to the r202189 snapshot.</para>
1619
1620      <para revision="269257">The &man.unbound.8; caching resolver and
1621	<literal>ldns</literal> have been updated to version
1622	1.4.22.</para>
1623
1624      <para revision="269847">The <quote>lite</quote> version of
1625	<application>Subversion</application> included in the
1626	&os;&nbsp;base system and its dependencies have been
1627	updated:</para>
1628
1629      <itemizedlist>
1630	<listitem>
1631	  <para><application>apr</application> has been
1632	    updated to version 1.5.1.</para>
1633	</listitem>
1634
1635	<listitem>
1636	  <para><application>apr-util</application> has been
1637	    updated to version 1.5.3.</para>
1638	</listitem>
1639
1640	<listitem>
1641	  <para><application>serf</application> has been
1642	    updated to version 1.3.7.</para>
1643	</listitem>
1644
1645	<listitem>
1646	  <para><application>svnlite</application> has been
1647	    updated to version 1.8.10.</para>
1648	</listitem>
1649      </itemizedlist>
1650
1651      <para revision="270026">The &man.nvi.1; editor has been
1652	update to version 2.1.2-c80f493b038.</para>
1653
1654      <para revision="270031">The &man.fparseln.3; library has
1655	been updated to version 1.7.</para>
1656
1657      <para revision="270415">The <application>lukemftpd</application>
1658	<acronym>FTP</acronym> server has been removed from the
1659	&os;&nbsp;base system.</para>
1660
1661      <para revision="270817">The timezone database has been updated
1662	to version tzdata2014f.</para>
1663
1664      <para revision="271947"><application>OpenPAM</application> has
1665	been updated to Ourouparia (20140912).</para>
1666
1667      <para revision="273399"><application>OpenSSL</application> has
1668	been updated to version 1.0.1j.</para>
1669    </sect2>
1670
1671    <sect2 xml:id="ports">
1672      <title>Ports/Packages Collection Infrastructure</title>
1673
1674      <para>The &man.pkg.8; package management utility has been
1675	updated to version 1.3.8.</para>
1676    </sect2>
1677
1678    <sect2 xml:id="releng">
1679      <title>Release Engineering and Integration</title>
1680
1681      <para revision="263028">The &man.services.mkdb.8; utility has
1682	been updated to include endianness awareness, allowing the
1683	<filename>services.db</filename> database to be created as
1684	part of the release build, regardless of native- or
1685	cross-built releases.</para>
1686
1687      <para revision="271470" contrib="sponsor" sponsor="&ff;">The
1688	<filename class="directory">release/</filename> scripts have
1689	been updated to produce <acronym>UEFI</acronym>-capable and
1690	<acronym>BIOS</acronym>-capable CD-ROM ISOs as well as memory
1691	stick images for the &os;/&arch.amd64; architecture.</para>
1692
1693      <para revision="271943" contrib="sponsor" sponsor="&ff;">The
1694	<filename>release/scripts/pkg-stage.sh</filename> script has
1695	been updated to include a symlink to the on-disc version of
1696	&man.pkg.8; in the <filename
1697	  class="directory">packages/</filename> structure on the
1698	DVD installer.  This allows the &man.pkg.7; bootstrap utility
1699	to properly locate the <filename>Latest/pkg.txz</filename>
1700	package on the DVD when <literal>REPOS_DIR</literal> is set to
1701	<filename class="directory">/dist/packages/repos</filename>,
1702	eliminating the need for a network connection or explicitly
1703	providing the path to the version included on the DVD
1704	installation medium.</para>
1705
1706      <para revision="273101" contrib="sponsor" sponsor="&ff;">The
1707	&os;&nbsp;Release Engineering build tools have been updated to
1708	provide support for building virtual machine disk images as
1709	part of the release build process using &man.mkimg.1;.  The
1710	disk image formats currently supported include QCOW2, VHD,
1711	VMDK, and raw formats.  See &man.release.7; for additional
1712	information.</para>
1713
1714      <para revision="273199" contrib="sponsor" sponsor="&ff;">The
1715	&os;&nbsp;Release Engineering build tools have been updated to
1716	provide support for building &os; virtual machine disk images
1717	for the &microsoft;&nbsp;Azure cloud hosting platform.  This
1718	functionality is not connected directly to the default
1719	<literal>release</literal> &man.make.1; target, however can be
1720	invoked by specifying the <literal>vm-azure</literal> target
1721	directly.</para>
1722    </sect2>
1723  </sect1>
1724
1725  <sect1 xml:id="upgrade">
1726    <title>Upgrading from Previous Releases of &os;</title>
1727
1728    <para arch="amd64,i386">Binary upgrades between RELEASE versions
1729      (and snapshots of the various security branches) are supported
1730      using the &man.freebsd-update.8; utility.  The binary upgrade
1731      procedure will update unmodified userland utilities, as well as
1732      unmodified <filename>GENERIC</filename> kernel distributed as
1733      a part of an official &os; release.  The &man.freebsd-update.8;
1734      utility requires that the host being upgraded have Internet
1735      connectivity.</para>
1736
1737    <para>Source-based upgrades (those based on recompiling the &os;
1738      base system from source code) from previous versions are
1739      supported, according to the instructions in
1740      <filename>/usr/src/UPDATING</filename>.</para>
1741
1742    <important>
1743      <para>Upgrading &os; should only be attempted after
1744	backing up <emphasis>all</emphasis> data and configuration
1745	files.</para>
1746    </important>
1747  </sect1>
1748</article>
1749