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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: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 270609 2014-08-25 18:52:45Z 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>&nbsp;</para>
127
128    </sect2>
129
130    <sect2 xml:id="kernel">
131      <title>Kernel Changes</title>
132
133      <para revision="260338">The
134	<literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has been
135	re-enabled.  On multi-CPU machines with enough RAM, this can
136	easily double &man.zfs.8; performance or reduce CPU usage in
137	half.  It was originally disabled due to memory and
138	<acronym>KVA</acronym> exhaustion problem reports, which
139	should be resolved due to several change in the VM
140	subsystem.</para>
141
142      <para revision="260385" contrib="sponsor" sponsor="&ix;">The
143	&man.geom.4; RAID driver has been
144	updated to support unmapped I/O.</para>
145
146      <para revision="260431">A new &man.sysctl.8;,
147	<literal>kern.panic_reboot_wait_time</literal>, has been
148	added, which allows controlling how long the system will wait
149	after &man.panic.9; before rebooting.</para>
150
151      <para revision="260857">The &man.virtio_blk.4; driver has been
152	updated to support unmapped I/O.</para>
153
154      <para revision="260858">The &man.virtio_scsi.4; driver has been
155	updated to support unmapped I/O.</para>
156
157      <para revision="262861">The &man.vt.4; driver has been merged
158	from &os;-CURRENT.  To enable &man.vt.4;, enter
159	<literal>set kern.vty=vt</literal> at the &man.loader.8;
160	prompt during boot, or add <literal>kern.vty=vt</literal> to
161	&man.loader.conf.5; and reboot the system.</para>
162
163      <para revision="262967">Support for MegaRAID Fury cards has been
164	added to the &man.mfi.4; driver.</para>
165
166      <para revision="263024">The &man.aacraid.4; driver has been
167	updated to version 3.2.5.</para>
168
169      <para revision="263122">Support for &man.hwpmc.4; has been added
170	for &powerpc;&nbsp;970 class processors.</para>
171
172      <para revision="263197">Support for ADT7460 and ADT7467 fan
173	controllers found in newer PowerBooks&trade; and
174	iBooks&trade; has been added to the &man.iicbus.4;
175	driver.</para>
176
177      <para revision="263256">A panic triggered by removing
178	a &man.urtwn.4; device has been fixed.</para>
179
180      <para revision="263799">A potential deadlock in the &man.usb.4;
181	stack triggered by detaching USB devices that create character
182	devices has been fixed.</para>
183
184      <para revision="263869">Support for &amd;&nbsp;Family 16h sensor
185	devices has been added to &man.amdtemp.4;.</para>
186
187      <para revision="264522">Support for LUN-based CD changers has
188	been removed from the &man.cd.4; driver.</para>
189
190      <para revision="264734">Support for 9th generation HP host bus
191	adapter cards has been added to &man.ciss.4;.</para>
192
193      <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
194	&man.mpr.4; device has been added,
195	providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
196	controllers.</para>
197
198      <para revision="265536">The <literal>GEOM_VINUM</literal> option
199	is now able to be built both directly into the kernel or as
200	a &man.kldload.8; loadable module.</para>
201
202      <para revision="265610">The &man.uslcom.4; driver has been
203	updated to support 26 new devices.</para>
204
205      <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
206	&man.mrsas.4; driver has been added,
207	providing support for LSI MegaRAID SAS controllers.  The
208	&man.mfi.4; driver will attach to the controller, by default.
209	To enable &man.mrsas.4; add
210	<literal>hw.mfi.mrsas_enable=1</literal> to
211	<filename>/boot/loader.conf</filename>, which turns off
212	&man.mfi.4; device probing.</para>
213
214      <note>
215	<para>At this time, the &man.mfiutil.8; utility and
216	  the &os; version of
217	  <application>MegaCLI</application> and
218	  <application>StorCli</application> do not work with
219	  &man.mrsas.4;.</para>
220      </note>
221
222      <para revision="266165">A kernel bug that inhibited proper
223	functionality of the <literal>dev.cpu.0.freq</literal>
224	&man.sysctl.8; on &intel; processors with Turbo
225	Boost&trade; enabled has been fixed.</para>
226
227      <para revision="266220">The &man.geom.uncompress.4; module is
228	built by default which, similar to &man.geom.uzip.4;,
229	provides support for compressed, read-only disk
230	images.</para>
231
232      <para revision="266436">The &man.uart.4; driver has been
233	updated to include support for the &intel;&nbsp;Lynx Point
234	KT <acronym>AMT</acronym> serial port.</para>
235
236      <para revision="266718">A bug that would prevent
237	a &man.jail.8; from setting the correct IPv4 source address
238	with some operations that required
239	<literal>security.jail.allow_raw_sockets</literal> has been
240	fixed.</para>
241
242      <para revision="266911">The &man.hwpmc.4; driver has been
243	updated to support core events from the Atom&trade;
244	Silvermont architecture.</para>
245
246      <para revision="267084">The &man.mfi.4; driver has been
247	updated to include support for unmapped I/O.</para>
248
249      <para revision="267457">The &man.hpt27xx.4; driver has been
250	updated with various vendor-supplied bug fixes.</para>
251
252      <para revision="268046">The &man.oce.4; driver has been updated
253	with vendor-supplied fixes for big endian support, and 20GB/s
254	and 25GB/s link speeds.</para>
255
256      <sect3 xml:id="kernel-virtualization">
257	<title>Virtualization Support</title>
258
259	<para revision="259450">Support for &microsoft; Hyper-V
260	  has been added to &os;/i386 as loadable modules, however
261	  not available in the <filename>GENERIC</filename> kernel
262	  configuration.</para>
263
264	<para revision="261090">The &man.bhyve.4; hypervisor now
265	  supports soft power-off functionality via the ACPI S5
266	  state.</para>
267
268	<para revision="267399">Support for &os;/i386 guests has been
269	  added to &man.bhyve.4;.</para>
270
271	<para revision="267427">Support for virtualized
272	  <literal>XSAVE</literal> has been added to &man.bhyve.4;,
273	  allowing guest operating systems to use
274	  <literal>XSAVE</literal> and
275	  <literal>XSAVE</literal>-enabled features, such as
276	  <acronym>AVX</acronym>.</para>
277
278	<para revision="268932">The &man.bhyve.4; hypervisor now
279	  supports booting from a &man.zfs.8; filesystem.</para>
280
281	<para revision="268933">A new driver, &man.virtio_random.4;,
282	  has been added, which allows &os; virtual machines to
283	  harvest entropy from the hypervisor.</para>
284      </sect3>
285
286      <sect3 xml:id="kernel-arm">
287	<title>ARM Support</title>
288
289	<para revision="259355">The <filename>WANDBOARD</filename>
290	  kernel configuration file has been added.</para>
291
292	<para revision="265067">Boot devices may now be specified by
293	  setting a u-boot environment variable.  If a boot device is
294	  not specified, the probe mechanism will be used.  To specify
295	  the boot device, set the
296	  <literal>loaderdev=<replaceable>device</replaceable></literal>
297	  u-boot environment variable.</para>
298
299	<para revision="266000">The <literal>nexus(4)</literal> driver
300	  has been updated to include <quote>Flattened Device
301	    Tree</quote> support, replacing the &man.fdtbus.4; driver
302	  in most cases.</para>
303
304	<para revision="266105">The &man.gpioiic.4; and
305	  &man.gpioled.4; have been merged from &os;-CURRENT.</para>
306
307	<para revision="266379">The <literal>ZEDBOARD</literal> kernel
308	  configuration file has been updated to include
309	  <acronym>SMP</acronym> support.</para>
310      </sect3>
311
312      <sect3 xml:id="boot">
313	<title>Boot Loader Changes</title>
314
315	<para revision="262701">A kernel selection menu has been added
316	  to &man.loader.8;.  If the <quote>beastie menu</quote> is
317	  enabled, the kernel to boot may be selected from the kernel
318	  selection menu.  Additional kernels may be listed in
319	  &man.loader.conf.5; as a comma- or space-separated list.  By
320	  default, <literal>kernel</literal> and
321	  <literal>kernel.old</literal> are listed.</para>
322      </sect3>
323
324      <sect3 xml:id="proc">
325	<title>Hardware Support</title>
326
327	<para>&nbsp;</para>
328
329	<sect4 xml:id="mm">
330	  <title>Multimedia Support</title>
331
332	  <para>&nbsp;</para>
333
334	</sect4>
335
336	<sect4 xml:id="net-if">
337	  <title>Network Interface Support</title>
338
339	  <para revision="259453">Support for Ralink RT5370 and
340	    RT5372 chipsets has been added to the &man.run.4;
341	    driver.</para>
342
343	  <para revision="260120">Firmware for the &man.run.4; driver
344	    has been updated to version 0.33.</para>
345
346	  <para revision="261868">Support for the Ralink RT3593
347	    chipset has been added to the &man.run.4; driver.</para>
348
349	  <para revision="261972">The &man.nve.4; driver is now
350	    deprecated, and the &man.nfe.4; driver should be used
351	    instead.</para>
352
353	  <para revision="262137">Support for the &man.axge.4; driver
354	    has been added.  This driver supports the ASIX AX88178A
355	    and AX88179 USB ethernet adapters.  The AX88178A supports
356	    USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
357
358	  <para revision="262363">The &man.urndis.4; driver has been
359	    imported from OpenBSD.</para>
360
361	  <para revision="264866">Support for multiple
362	    transmitter/receiver queues has been added to the
363	    &man.vmx.4; driver.</para>
364
365	  <note>
366	    <para>The &os;&nbsp;guest operating system must have
367	      <acronym>MSIX</acronym> enabled as a prerequisite for
368	      multiple queues.</para>
369	  </note>
370
371	  <para revision="265345">Support for the ASUS USB-N10 Nano
372	    wireless card has been added to the &man.urtwn.4;
373	    driver.</para>
374
375	  <para revision="266212">Transmission checksum offloading has
376	    been disabled for the RTL8168C and RTL8168CP chipsets in
377	    the &man.re.4; driver for TCP and UDP frames.  This is
378	    due to a report of UDP datagrams with IP options
379	    generating corrupt frames.</para>
380
381	  <para revision="266578">Preliminary support has been added
382	    to the &man.urtwn.4; driver for the Realtek RTL8188EUS and
383	    RTL8188ETV chipsets.</para>
384
385	  <para revision="267694">A bug in the fast receiver buffer
386	    recycle path has been fixed in the &man.cxgbe.4;
387	    driver.</para>
388
389	  <para revision="267849" contrib="vendor"
390	    vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for
391	    T4 and T5 cards has been updated to version
392	    1.11.27.0.</para>
393
394	  <para revision="269196">The &man.em.4; driver has been
395	    updated to version 7.4.2.</para>
396	</sect4>
397      </sect3>
398
399      <sect3 xml:id="net-proto">
400	<title>Network Protocols</title>
401
402	<para revision="265946">Support for the UDP-Lite protocol
403	  (RFC 3828) has been added to the IPv4 and IPv6
404	  stacks.</para>
405
406	<para revision="267771">A bug in &man.sctp.4; that would allow
407	  two listening sockets bound to the same port has been
408	  fixed.</para>
409      </sect3>
410
411      <sect3 xml:id="disks">
412	<title>Disks and Storage</title>
413
414	<para revision="259328" contrib="sponsor" sponsor="&ff;">The
415	  &man.geom.8; <literal>label</literal> class is now aware of
416	  resized partitions.  This corrects an issue where
417	  <command>geom resize</command> would resize the partition,
418	  but the label provider in <filename
419	    class="directory">/dev/gptid/</filename> would not be
420	  resized.</para>
421
422	<para revision="260502">The &man.gmirror.8;
423	  utility now has a <literal>resize</literal> command, making
424	  it easier to resize the size of a mirror when all of its
425	  components have been replaced.</para>
426
427	<para revision="265912">The &man.geom.8;
428	  <literal>GEOM_PART</literal> class has been updated to
429	  support automatic partition resizing.  Changes to the
430	  partition size are not saved to disk until
431	  <command>gpart commit</command> is run, and prior to saving,
432	  can be reverted with <command>gpart undo</command>.</para>
433
434	<para revision="268091">Support for the
435	  <literal>disklabel64</literal> partitioning scheme has been
436	  added to &man.gpart.8;.</para>
437
438	<para revision="266594">The <literal>radeonkms(4)</literal>
439	  driver has been updated to include 32-bit &man.ioctl.2;
440	  support, allowing 32-bit applications to run on a 64-bit
441	  system.</para>
442
443	<para revision="269298">The maximum number of
444	  <acronym>SCSI</acronym> ports in the &man.ctl.4; driver has
445	  been increased from 32 to 128.</para>
446      </sect3>
447
448      <sect3 xml:id="fs">
449	<title>File Systems</title>
450
451	<para revision="260178" contrib="vendor"
452	  vendor="&netflix;">A new flag, <literal>-R</literal>,
453	  has been added to the &man.fsck.ffs.8; utility.  When used,
454	  &man.fsck.ffs.8; will restart itself when too many critical
455	  errors have been detected.</para>
456
457	<para revision="263407">The &man.zfs.8; filesystem has been
458	  updated to implement <quote>bookmarks</quote>.  See
459	  &man.zfs.8; for further details.</para>
460
461	<para revision="266122">The &man.zfs.8; filesystem has been
462	  updated to allow tuning the minimum <quote>ashift</quote>
463	  value when creating new top-level virtual devices (vdevs).
464	  To set the minimum ashift value, for example when creating
465	  a &man.zpool.8; on <quote>Advanced Format</quote> drives,
466	  set the <literal>vfs.zfs.min_auto_ashift</literal>
467	  &man.sysctl.8; accordingly.</para>
468
469	<para revision="266612">The <literal>libzfs</literal> thread
470	  pool <acronym>API</acronym> has been imported from
471	  OpenSolaris, and adapted for &os;.  This change allows
472	  parallel disk scanning, which can reduce &man.zpool.8;
473	  overall import time in some workloads.</para>
474
475	<para revision="269651">The &man.restore.8; utility has been
476	  updated to prevent assertion failures when restoring
477	  a <acronym>UFS</acronym> filesystem dump to
478	  a <acronym>ZFS</acronym> filesystem by writing restored
479	  files in block sizes that are a multiple of 1024.</para>
480      </sect3>
481    </sect2>
482
483    <sect2 xml:id="userland">
484      <title>Userland Changes</title>
485
486      <para revision="260177" contrib="sponsor"
487	sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
488	<literal>-b</literal>, which outputs the existing buses and
489	their parents.</para>
490
491      <para revision="262075">The &man.newsyslog.8; utility has been
492	updated to rotate files based on the actual file size instead
493	of the blocks on disk.  This matches the behavior documented
494	in &man.newsyslog.conf.5;.</para>
495
496      <para revision="262384">The location of the &man.rctl.8;
497	configuration file can now be overridden in &man.rc.conf.5;.
498	To use a non-default location, set
499	<literal>rctl_rules</literal> in &man.rc.conf.5; to the
500	location of the file.</para>
501
502      <para revision="262855">The <application>ATF</application> test
503	suite has been updated to version 0.20.</para>
504
505      <para revision="263019">The <literal>libucl</literal> library
506	(Unified Configuration Library) has been merged from
507	&os;-CURRENT.</para>
508
509      <para revision="263020">The &man.pkg.7; bootstrapping utility
510	has been synced with the version in &os;-CURRENT.</para>
511
512      <para revision="263403">The &man.zfs.8; userland utility has
513	been updated to include aliases for
514	<command>snapshot</command>, which allows use of <command>zfs
515	  list -t snap</command> and <command>zfs
516	  snap</command>.</para>
517
518      <para revision="263405">The &man.zfs.8; userland utility has
519	been updated to include a new flag to <command>zfs
520	  list</command>, <literal>-p</literal>, which when specified,
521	prints the output in a parsable format.</para>
522
523      <para revision="263783">The Blowfish password format
524	implementation updated.  Support for &dollar;2b&dollar; has
525	been added, allowing use of passwords greater than 256
526	characters long.</para>
527
528      <para revision="264497">The &man.iconv.3; library has been
529	updated to match NetBSD, providing several bug fixes.</para>
530
531      <para revision="265265">The &man.date.1; utility has been
532	updated to include a new flag, <literal>-R</literal>, which
533	prints the date and time output as specified in RFC
534	2822.</para>
535
536      <para revision="265533">The &man.bc.1; utility has been updated
537	to version 1.1, in sync with the version in OpenBSD.</para>
538
539      <para revision="265604" contrib="vendor"
540	vendor="&netflix;">The &man.pmcstat.8; utility has been
541	updated to include a new flag, <literal>-a</literal>, which
542	when specified, produces a full stack track on the sampled
543	points.</para>
544
545      <para revision="265701">The &man.netstat.8; and &man.route.8;
546	utilities have been updated to include a shorthand equivalent
547	to the <literal>-f inet</literal> and <literal>-f
548	  inet6</literal> address specifiers, <literal>-4</literal>
549	and <literal>-6</literal>, respectively.</para>
550
551      <para revision="265879">The &man.crypt.3; library now defaults
552	to SHA512 for password hashing.</para>
553
554      <para revision="266014">The &man.gvinum.8; utility has been
555	updated to allow forceful configuration reset with the
556	<literal>-f</literal> flag.  Additionally, a bug that would
557	prevent <literal>-f</literal> from properly creating
558	a &man.gvinum.8; configuration has been fixed.</para>
559
560      <para revision="266029">The &man.login.conf.5; file now takes
561	precedence over the shell-specific environment files.  In
562	particular, the <literal>PATH</literal>,
563	<literal>BLOCKSIZE</literal> variables are commented from
564	<filename>/usr/share/skel/dot.profile</filename>, and the
565	<literal>path</literal>, <literal>BLOCKSIZE</literal>, and
566	<literal>umask</literal> variables have been commented from
567	<filename>/usr/share/skel/dot.cshrc</filename>.</para>
568
569      <para revision="266272">The &man.binmiscctl.8; userland utility
570	and related image activator features have been merged from
571	&os;-CURRENT.</para>
572
573      <para revision="266279">The &man.ps.1; utility has been
574	updated to include the <literal>-J</literal> flag, used to
575	filter output by matching &man.jail.8; IDs and names.
576	Additionally, argument <literal>0</literal> can be used to
577	<literal>-J</literal> to only list processes running on the
578	host system.</para>
579
580      <para revision="266280">The &man.top.1; utility has been updated
581	to filter by &man.jail.8; ID or name, in followup to the
582	&man.ps.1; change in <literal>r265229</literal>.</para>
583
584      <para revision="266610">The &man.gstat.8; utility has been
585	updated to include a new flag, <literal>-o</literal>.  When
586	set, &man.gstat.8; will display statistics for operations
587	such as <literal>BIO_FLUSH</literal>.</para>
588
589      <para revision="266632">The &man.fetch.3; library has been
590	updated to look for root <acronym>SSL</acronym> certificates
591	in <filename class="directory">/usr/local/etc/ssl/</filename>
592	before <filename
593	  class="directory">/etc/ssl/</filename>.</para>
594
595      <para revision="266715">The &man.clang.1;/llvm suite has been
596	updated to version 3.4.1.</para>
597
598      <para revision="266816">The Blowfish password format
599	has been changed to &dollar;2b&dollar; by default.</para>
600
601      <para revision="266888">The amount of data collected for
602	&man.hwpmc.4; has been updated to work with modern processors
603	and larger amounts of available memory.</para>
604
605      <para revision="266890">The &man.pmcstat.8; utility has been
606	updated to include a new flag, <literal>-l</literal>, which
607	ends event collection after the specified number of
608	seconds.</para>
609
610      <para revision="266953">The &man.mergemaster.8; utility has
611	been updated to avoid printing
612	<quote><filename>/var/tmp/temproot</filename>
613	  disappeared</quote> if there is nothing to compare.</para>
614
615      <para revision="267056">The &os; installer, &man.bsdinstall.8;,
616	has been updated to include optional
617	&man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap
618	devices when installing onto a full &man.zfs.8; filesystem.
619	Additionally, the parent &man.zfs.8; dataset is now configured
620	with <literal>lz4</literal> compression enabled.</para>
621
622      <para revision="267113">The default &man.newsyslog.conf.5; now
623	includes files in the
624	<filename>/etc/newsyslog.conf.d/</filename> and
625	<filename>/usr/local/etc/newsyslog.conf.d/</filename>
626	directories by default for &man.newsyslog.8;.</para>
627
628      <para revision="267161">The &man.realpath.1; utility has been
629	updated to return <literal>ENOTDIR</literal> on paths
630	components <quote>.</quote> and <quote>..</quote> that are
631	not directories, such as <filename
632	  class="directory">/dev/null/.</filename> or <filename
633	  class="directory">/dev/null/..</filename>.</para>
634
635      <para revision="267236">A new flag, <quote>onifconsole</quote>
636	has been added to <filename>/etc/ttys</filename>.  This allows
637	the system to provide a login prompt via serial console if the
638	device is an active kernel console, otherwise it is equivalent
639	to <literal>off</literal>.</para>
640
641      <para revision="267341">Support for legacy
642	<acronym>PCI</acronym> devices has been removed from
643	&man.bhyve.8;.</para>
644
645      <para revision="267450">The &man.bhyve.8; userland utility
646	has been updated to include SMBIOS support.  A new flag has
647	been added, <literal>-U</literal>, which allows specifying the
648	UUID of the guest in the System Information structure.</para>
649
650      <para revision="267734">The &os;&nbsp;Project has migrated
651	from the <application>GNATS</application> bug tracking system
652	to <application>Bugzilla</application>.  The &man.send-pr.1;
653	utility used for submitting problem reports has been replaced
654	with a stub shell script that instructs to use the Bugzilla
655	web interface.</para>
656
657      <para revision="267747">The &man.patch.1; utility has been
658	updated to include a <literal>--dry-run</literal> flag, which
659	is equivalent to <literal>--check</literal> and
660	<literal>-C</literal>.</para>
661
662      <para revision="267878">A bug in &man.bsdgrep.1; that would
663	prevent patterns from being matched under certain conditions
664	has been fixed.</para>
665
666      <para revision="267979">The &man.procstat.1; utility has been
667	updated to include two new flags, <literal>-r</literal> and
668	<literal>-H</literal>.  When <literal>-r</literal> is
669	specified, &man.procstat.1; will print current resource usage
670	about the process(es).  When <literal>-H</literal> is
671	specified, &man.procstat.1; will print information about
672	threads rather than the process(es).</para>
673
674      <note>
675	<para>The <literal>-H</literal> flag is currently only used
676	  with <literal>-r</literal> to display resource usage for
677	  individual threads, rather than the entire process.</para>
678      </note>
679
680      <para revision="268019">The &man.sed.1; utility has been
681	updated to include a new flag, <literal>-u</literal>, which
682	enables unbuffered output when specified.</para>
683
684      <para revision="268161">The &man.mkimg.1; utility has been
685	merged from &os;-CURRENT.</para>
686
687      <para revision="268700">The &man.camcontrol.8; has been updated
688	to include a new <literal>persist</literal> command, which
689	allows issuing <command>SCSI PERSISTENT RESERVE IN</command>
690	and <command>SCSI PERSISTENT RESERVE OUT</command>.</para>
691
692      <para revision="268791">The &man.gstat.8; utility has been
693	updated to include a new flag, <literal>-p</literal>, which
694	displays only physical providers when specified.</para>
695
696      <para revision="268903">The &man.kldstat.8; utility has been
697	updated to allow <literal>-q</literal> to be specified when
698	also specifying <literal>-n
699	  <replaceable>module.ko</replaceable></literal>.</para>
700
701      <para revision="269177">The &man.mkimg.1; utility has been
702	updated to include support for both fixed- and
703	dynamically-allocated images for the <acronym>VHD</acronym>
704	and <acronym>VMDK</acronym> formats.</para>
705
706      <para revision="269220">The &man.random.4; entropy collection
707	script, <filename>/usr/libexec/save-entropy</filename>, no
708	longer runs within &man.jail.8; environments.</para>
709
710      <para revision="269397">The &man.bhyve.8; wrapper script,
711	<filename>/usr/share/examples/bhyve/vmrun.sh</filename>,
712	has been synced with &os;-CURRENT.</para>
713
714      <para>This update includes:</para>
715
716      <itemizedlist>
717	<listitem>
718	  <para>A new flag, <literal>-e</literal>, has been added,
719	    which is used to set &man.loader.8; environment
720	    variables.</para>
721	</listitem>
722
723	<listitem>
724	  <para>A new flag, <literal>-C</literal>, has been added,
725	    which is used to specify the guest console device.</para>
726	</listitem>
727
728	<listitem>
729	  <para>A new flag, <literal>-H</literal>, has been added,
730	    which is used to pass the host path to
731	    &man.bhyveload.8;.</para>
732	</listitem>
733
734	<listitem>
735	  <para>Support for multiple disk and &man.tap.4; devices
736	    has been added.</para>
737	</listitem>
738
739	<listitem>
740	  <para>The <literal>-I</literal> flag has been
741	    removed.</para>
742	</listitem>
743      </itemizedlist>
744
745      <para revision="269398">The &man.nfsd.8; server update to 4.1
746	has merged from &os;-CURRENT.</para>
747
748      <para revision="269432" arch="ia64">The serial terminals
749	<filename>ttyu0</filename> and <filename>ttyu1</filename> have
750	been updated to <literal>onifconsole</literal> by default in
751	&man.ttys.5;, which either can be the serial console,
752	depending on the platform.</para>
753
754      <sect3 xml:id="rc-scripts">
755	<title><filename>/etc/rc.d</filename> Scripts</title>
756
757	<para revision="264438">The <filename>network.subr</filename>
758	  &man.rc.8; script has been updated to loosen the requirement
759	  of listing network aliases in numeric order.  Previously,
760	  a network alias of
761	  <literal>_alias<replaceable>2</replaceable></literal>
762	  would not be created if
763	  <literal>_alias<replaceable>1</replaceable></literal> was
764	  not defined.</para>
765
766	<para revision="268098">The &man.service.8; utility has been
767	  updated to check that the &man.rc.d.8; directory exists
768	  before traversing the directory.</para>
769      </sect3>
770    </sect2>
771
772    <sect2 xml:id="contrib">
773      <title>Contributed Software</title>
774
775      <para revision="263285">The &man.xz.1; utility has been updated
776	to a post-5.0.5 snapshot.</para>
777
778      <para revision="264377"><application>OpenSSH</application> has
779	been updated to version 6.6p1.</para>
780
781      <para revision="264911">The &man.nc.1; utility has been updated
782	to match the version in OpenBSD 5.5.</para>
783
784      <para revision="266692"><application>Sendmail</application>
785	has been updated to 8.14.9.</para>
786
787      <para revision="267477">The timezone database has been updated
788	to version tzdata2014e.</para>
789
790      <para revision="268515">The &man.file.1; utility and
791	&man.libmagic.3; library have been updated to 5.19.</para>
792
793      <para revision="268899">The &man.byacc.1; parser has been
794	updated to version 20140422.</para>
795
796      <para revision="269024" contrib="sponsor"
797	sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
798	been updated to the r202189 snapshot.</para>
799
800      <para revision="269257">The &man.unbound.8; caching resolver and
801	<literal>ldns</literal> have been updated to version
802	1.4.22.</para>
803
804      <para revision="269686"><application>OpenSSL</application> has
805	been updated to version 1.0.1i.</para>
806    </sect2>
807
808    <sect2 xml:id="ports">
809      <title>Ports/Packages Collection Infrastructure</title>
810
811      <para>&nbsp;</para>
812
813    </sect2>
814
815    <sect2 xml:id="releng">
816      <title>Release Engineering and Integration</title>
817
818      <para revision="263028">The &man.services.mkdb.8; utility has
819	been updated to include endianness awareness, allowing the
820	<filename>services.db</filename> database to be created as
821	part of the release build, regardless of native- or
822	cross-built releases.</para>
823    </sect2>
824
825    <sect2 xml:id="doc">
826      <title>Documentation</title>
827
828      <para>&nbsp;</para>
829
830    </sect2>
831  </sect1>
832
833  <sect1 xml:id="upgrade">
834    <title>Upgrading from Previous Releases of &os;</title>
835
836    <para arch="amd64,i386">Binary upgrades between RELEASE versions
837      (and snapshots of the various security branches) are supported
838      using the &man.freebsd-update.8; utility.  The binary upgrade
839      procedure will update unmodified userland utilities, as well as
840      unmodified GENERIC or SMP kernels distributed as a part of an
841      official &os; release.  The &man.freebsd-update.8; utility
842      requires that the host being upgraded have Internet
843      connectivity.</para>
844
845    <para>Source-based upgrades (those based on recompiling the &os;
846      base system from source code) from previous versions are
847      supported, according to the instructions in
848      <filename>/usr/src/UPDATING</filename>.</para>
849
850    <important>
851      <para>Upgrading &os; should only be attempted after
852	backing up <emphasis>all</emphasis> data and configuration
853	files.</para>
854    </important>
855  </sect1>
856</article>
857