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5 %release;
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11<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
12<info>
13  <title>&os; &release.current; Release Notes</title>
14
15  <author>
16    <orgname>The &os; Project</orgname>
17  </author>
18
19  <pubdate>$FreeBSD: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 270498 2014-08-24 16:26:05Z gjb $</pubdate>
20
21  <copyright>
22    <year>2000</year>
23    <year>2001</year>
24    <year>2002</year>
25    <year>2003</year>
26    <year>2004</year>
27    <year>2005</year>
28    <year>2006</year>
29    <year>2007</year>
30    <year>2008</year>
31    <year>2009</year>
32    <year>2010</year>
33    <year>2011</year>
34    <year>2012</year>
35    <year>2013</year>
36    <year>2014</year>
37    <holder role="mailto:doc@FreeBSD.org">The &os; Documentation Project</holder>
38  </copyright>
39
40  <legalnotice xml:id="trademarks" role="trademarks">
41    &tm-attrib.freebsd;
42    &tm-attrib.ibm;
43    &tm-attrib.ieee;
44    &tm-attrib.intel;
45    &tm-attrib.sparc;
46    &tm-attrib.general;
47  </legalnotice>
48
49  <abstract>
50    <para>The release notes for &os; &release.current; contain
51      a summary of the changes made to the &os; base system on the
52      &release.branch; development line.  This document lists
53      applicable security advisories that were issued since the last
54      release, as well as significant changes to the &os; kernel and
55      userland.  Some brief remarks on upgrading are also
56      presented.</para>
57  </abstract>
58</info>
59
60<sect1 xml:id="intro">
61  <title>Introduction</title>
62
63  <para>This document contains the release notes for &os;
64    &release.current;.  It describes recently added, changed, or
65    deleted features of &os;.  It also provides some notes on
66    upgrading from previous versions of &os;.</para>
67
68  <para releasetype="current">The &release.type; distribution to which
69    these release notes apply represents the latest point along the
70    &release.branch; development branch since &release.branch; was
71    created.  Information regarding pre-built, binary &release.type;
72    distributions along this branch can be found at <uri
73      xlink:href="&release.url;">&release.url;</uri>.</para>
74
75  <para releasetype="snapshot">The &release.type; distribution to
76    which these release notes apply represents a point along the
77    &release.branch; development branch between &release.prev; and the
78    future &release.next;.  Information regarding pre-built, binary
79    &release.type; distributions along this branch can be found at
80    <uri xlink:href="&release.url;">&release.url;</uri>.</para>
81
82  <para releasetype="release">This distribution of &os;
83    &release.current; is a &release.type; distribution.  It can be
84    found at <uri xlink:href="&release.url;">&release.url;</uri> or
85    any of its mirrors.  More information on obtaining this (or other)
86    &release.type; distributions of &os; can be found in the <link
87      xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
88	&os;</quote> appendix</link> to the <link
89      xlink:href="&url.books.handbook;/">&os; Handbook</link>.</para>
90
91  <para>All users are encouraged to consult the release errata before
92    installing &os;.  The errata document is updated with
93    <quote>late-breaking</quote> information discovered late in the
94    release cycle or after the release.  Typically, it contains
95    information on known bugs, security advisories, and corrections to
96    documentation.  An up-to-date copy of the errata for &os;
97    &release.current; can be found on the &os; Web site.</para>
98</sect1>
99
100<sect1 xml:id="new">
101  <title>What's New</title>
102
103  <para>This section describes the most user-visible new or changed
104    features in &os; since &release.prev;.</para>
105
106  <para>Typical release note items document recent security advisories
107    issued after &release.prev;, new drivers or hardware support, new
108    commands or options, major bug fixes, or contributed software
109    upgrades.  They may also list changes to major ports/packages or
110    release engineering practices.  Clearly the release notes cannot
111    list every single change made to &os; between releases; this
112    document focuses primarily on security advisories, user-visible
113    changes, and major architectural improvements.</para>
114
115  <sect2 xml:id="security">
116    <title>Security Advisories</title>
117
118    <para>&nbsp;</para>
119
120  </sect2>
121
122  <sect2 xml:id="kernel">
123    <title>Kernel Changes</title>
124
125    <para revision="260338">The <literal>vfs.zfs.zio.use_uma</literal>
126      &man.sysctl.8; has been re-enabled.  On multi-CPU machines with
127      enough RAM, this can easily double &man.zfs.8; performance or
128      reduce CPU usage in half.  It was originally disabled due to
129      memory and <acronym>KVA</acronym> exhaustion problem reports,
130      which should be resolved due to several change in the VM
131      subsystem.</para>
132
133    <para revision="260385" contrib="sponsor" sponsor="&ix;">The
134      &man.geom.4; RAID driver has been
135      updated to support unmapped I/O.</para>
136
137    <para revision="260431">A new &man.sysctl.8;,
138      <literal>kern.panic_reboot_wait_time</literal>, has been added,
139      which allows controlling how long the system will wait after
140      &man.panic.9; before rebooting.</para>
141
142    <para revision="260857">The &man.virtio_blk.4; driver has been
143      updated to support unmapped I/O.</para>
144
145    <para revision="260858">The &man.virtio_scsi.4; driver has been
146      updated to support unmapped I/O.</para>
147
148    <para revision="262861">The &man.vt.4; driver has been merged
149      from &os;-CURRENT.  To enable &man.vt.4;, enter
150      <literal>set kern.vty=vt</literal> at the &man.loader.8; prompt
151      during boot, or add <literal>kern.vty=vt</literal> to
152      &man.loader.conf.5; and reboot the system.</para>
153
154    <para revision="262967">Support for MegaRAID Fury cards has been
155      added to the &man.mfi.4; driver.</para>
156
157    <para revision="263024">The &man.aacraid.4; driver has been
158      updated to version 3.2.5.</para>
159
160    <para revision="263122">Support for &man.hwpmc.4; has been added
161      for &powerpc;&nbsp;970 class processors.</para>
162
163    <para revision="263197">Support for ADT7460 and ADT7467 fan
164      controllers found in newer PowerBooks&trade; and
165      iBooks&trade; has been added to the &man.iicbus.4;
166      driver.</para>
167
168    <para revision="263256">A panic triggered by removing
169      a &man.urtwn.4; device has been fixed.</para>
170
171    <para revision="263799">A potential deadlock in the &man.usb.4;
172      stack triggered by detaching USB devices that create character
173      devices has been fixed.</para>
174
175    <para revision="263869">Support for &amd;&nbsp;Family 16h sensor
176      devices has been added to &man.amdtemp.4;.</para>
177
178    <para revision="264522">Support for LUN-based CD changers has been
179      removed from the &man.cd.4; driver.</para>
180
181    <para revision="264734">Support for 9th generation HP host bus
182      adapter cards has been added to &man.ciss.4;.</para>
183
184    <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
185      &man.mpr.4; device has been added,
186      providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
187      controllers.</para>
188
189    <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
190      &man.mrsas.4; driver has been added,
191      providing support for LSI MegaRAID SAS controllers.  The
192      &man.mfi.4; driver will attach to the controller, by default.
193      To enable &man.mrsas.4; add
194      <literal>hw.mfi.mrsas_enable=1</literal> to
195      <filename>/boot/loader.conf</filename>, which turns off
196      &man.mfi.4; device probing.</para>
197
198    <note>
199      <para>At this time, the &man.mfiutil.8; utility and
200	the &os; version of
201	<application>MegaCLI</application> and
202	<application>StorCli</application> do not work with
203	&man.mrsas.4;.</para>
204    </note>
205
206    <para revision="266165">A kernel bug that inhibited proper
207      functionality of the <literal>dev.cpu.0.freq</literal>
208      &man.sysctl.8; on &intel; processors with Turbo
209      Boost&nbsp;&trade; enabled has been fixed.</para>
210
211    <sect3 xml:id="kernel-virtualization">
212      <title>Virtualization support</title>
213
214      <para revision="259450">Support for &microsoft; Hyper-V
215	has been added to &os;/i386 as loadable modules, however
216	not available in the <filename>GENERIC</filename> kernel
217	configuration.</para>
218
219      <para revision="261090">The &man.bhyve.4; hypervisor now
220	supports soft power-off functionality via the ACPI S5
221	state.</para>
222    </sect3>
223
224    <sect3 xml:id="kernel-arm">
225      <title>ARM support</title>
226
227      <para revision="259355">The <filename>WANDBOARD</filename>
228	kernel configuration file has been added.</para>
229
230      <para revision="265067">Boot devices may now be specified by
231	setting a u-boot environment variable.  If a boot device is
232	not specified, the probe mechanism will be used.  To specify
233	the boot device, set the
234	<literal>loaderdev=<replaceable>device</replaceable></literal>
235	u-boot environment variable.</para>
236    </sect3>
237
238    <sect3 xml:id="boot">
239      <title>Boot Loader Changes</title>
240
241      <para revision="262701">A kernel selection menu has been added
242	to &man.loader.8;.  If the <quote>beastie menu</quote> is
243	enabled, the kernel to boot may be selected from the kernel
244	selection menu.  Additional kernels may be listed in
245	&man.loader.conf.5; as a comma- or space-separated list.  By
246	default, <literal>kernel</literal> and
247	<literal>kernel.old</literal> are listed.</para>
248    </sect3>
249
250    <sect3 xml:id="proc">
251      <title>Hardware Support</title>
252
253      <para>&nbsp;</para>
254
255      <sect4 xml:id="mm">
256	<title>Multimedia Support</title>
257
258	<para>&nbsp;</para>
259
260      </sect4>
261
262      <sect4 xml:id="net-if">
263	<title>Network Interface Support</title>
264
265	<para revision="259453">Support for Ralink RT5370 and
266	  RT5372 chipsets has been added to the &man.run.4;
267	  driver.</para>
268
269	<para revision="260120">Firmware for the &man.run.4; driver
270	  has been updated to version 0.33.</para>
271
272	<para revision="261868">Support for the Ralink RT3593
273	  chipset has been added to the &man.run.4; driver.</para>
274
275	<para revision="261972">The &man.nve.4; driver is now
276	  deprecated, and the &man.nfe.4; driver should be used
277	  instead.</para>
278
279	<para revision="262137">Support for the &man.axge.4; driver
280	  has been added.  This driver supports the ASIX AX88178A and
281	  AX88179 USB ethernet adapters.  The AX88178A supports USB
282	  2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
283
284	<para revision="262363">The &man.urndis.4; driver has been
285	  imported from OpenBSD.</para>
286
287	<para revision="264866">Support for multiple
288	  transmitter/receiver queues has been added to the
289	  &man.vmx.4; driver.</para>
290
291	<note>
292	  <para>The &os;&nbsp;guest operating system must have
293	    <acronym>MSIX</acronym> enabled as a prerequisite for
294	    multiple queues.</para>
295	</note>
296
297	<para revision="265345">Support for the ASUS USB-N10 Nano
298	  wireless card has been added to the &man.urtwn.4;
299	  driver.</para>
300      </sect4>
301    </sect3>
302
303    <sect3 xml:id="net-proto">
304      <title>Network Protocols</title>
305
306      <para>&nbsp;</para>
307
308    </sect3>
309
310    <sect3 xml:id="disks">
311      <title>Disks and Storage</title>
312
313      <para revision="259328" contrib="sponsor"
314	sponsor="&ff;">The &man.geom.8; <literal>label</literal> class
315	is now aware of resized partitions.  This corrects an issue
316	where <command>geom resize</command> would resize the
317	partition, but the label provider in <filename
318	  class="directory">/dev/gptid/</filename> would not be
319	resized.</para>
320
321      <para revision="260502">The &man.gmirror.8;
322	utility now has a <literal>resize</literal> command, making
323	it easier to resize the size of a mirror when all of its
324	components have been replaced.</para>
325
326      <para revision="268091">Support for the
327	<literal>disklabel64</literal> partitioning scheme has been
328	added to &man.gpart.8;.</para>
329    </sect3>
330
331    <sect3 xml:id="fs">
332      <title>File Systems</title>
333
334      <para revision="260178" contrib="vendor"
335	vendor="&netflix;">A new flag, <literal>-R</literal>,
336	has been added to the &man.fsck.ffs.8; utility.  When used,
337	&man.fsck.ffs.8; will restart itself when too many critical
338	errors have been detected.</para>
339
340      <para revision="263407">The &man.zfs.8; filesystem has been
341	updated to implement <quote>bookmarks</quote>.  See
342	&man.zfs.8; for further details.</para>
343    </sect3>
344  </sect2>
345
346  <sect2 xml:id="userland">
347    <title>Userland Changes</title>
348
349    <para revision="260177" contrib="sponsor"
350      sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
351      <literal>-b</literal>, which outputs the existing buses and
352      their parents.</para>
353
354    <para revision="262075">The &man.newsyslog.8; utility has been
355      updated to rotate files based on the actual file size instead
356      of the blocks on disk.  This matches the behavior documented in
357      &man.newsyslog.conf.5;.</para>
358
359    <para revision="262384">The location of the &man.rctl.8;
360      configuration file can now be overridden in &man.rc.conf.5;.
361      To use a non-default location, set <literal>rctl_rules</literal>
362      in &man.rc.conf.5; to the location of the file.</para>
363
364    <para revision="262855">The <application>ATF</application> test
365      suite has been updated to version 0.20.</para>
366
367    <para revision="263019">The <literal>libucl</literal> library
368      (Unified Configuration Library) has been merged from
369      &os;-CURRENT.</para>
370
371    <para revision="263020">The &man.pkg.7; bootstrapping utility has
372      been synced with the version in &os;-CURRENT.</para>
373
374    <para revision="263403">The &man.zfs.8; userland utility has been
375      updated to include aliases for <command>snapshot</command>,
376      which allows use of <command>zfs list -t snap</command> and
377      <command>zfs snap</command>.</para>
378
379    <para revision="263405">The &man.zfs.8; userland utility has been
380      updated to include a new flag to <command>zfs list</command>,
381      <literal>-p</literal>, which when specified, prints the output
382      in a parsable format.</para>
383
384    <para revision="263508">The &man.clang.1;/llvm suite has been
385      updated to version 3.4.</para>
386
387    <para revision="263783">The Blowfish password format
388      implementation updated.  Support for &dollar;2b&dollar; has
389      been added, allowing use of passwords greater than 256
390      characters long.</para>
391
392    <para revision="264497">The &man.iconv.3; library has been
393      updated to match NetBSD, providing several bug fixes.</para>
394
395    <para revision="265265">The &man.date.1; utility has been updated
396      to include a new flag, <literal>-R</literal>, which prints the
397      date and time output as specified in RFC 2822.</para>
398
399    <para revision="266279">The &man.ps.1; utility has been
400      updated to include the <literal>-J</literal> flag, used to
401      filter output by matching &man.jail.8; IDs and names.
402      Additionally, argument <literal>0</literal> can be used to
403      <literal>-J</literal> to only list processes running on the
404      host system.</para>
405
406    <para revision="266280">The &man.top.1; utility has been updated
407      to filter by &man.jail.8; ID or name, in followup to the
408      &man.ps.1; change in <literal>r265229</literal>.</para>
409
410    <para revision="266890">The &man.pmcstat.8; utility has been
411      updated to include a new flag, <literal>-l</literal>, which
412      ends event collection after the specified number of
413      seconds.</para>
414
415    <para revision="267113">The default &man.newsyslog.conf.5; now
416      includes files in the
417      <filename>/etc/newsyslog.conf.d/</filename> and
418      <filename>/usr/local/etc/newsyslog.conf.d/</filename>
419      directories by default for &man.newsyslog.8;.</para>
420
421    <para revision="267236">A new flag, <quote>onifconsole</quote> has
422      been added to <filename>/etc/ttys</filename>.  This allows the
423      system to provide a login prompt via serial console if the
424      device is an active kernel console, otherwise it is equivalent
425      to <literal>off</literal>.</para>
426
427    <para revision="268161">The &man.mkimg.1; utility has been merged
428      from &os;-CURRENT.</para>
429
430    <sect3 xml:id="rc-scripts">
431      <title><filename>/etc/rc.d</filename> Scripts</title>
432
433      <para revision="264438">The <filename>network.subr</filename>
434	&man.rc.8; script has been updated to loosen the requirement
435	of listing network aliases in numeric order.  Previously,
436	a network alias of
437	<literal>_alias<replaceable>2</replaceable></literal>
438	would not be created if
439	<literal>_alias<replaceable>1</replaceable></literal> was
440	not defined.</para>
441    </sect3>
442  </sect2>
443
444  <sect2 xml:id="contrib">
445    <title>Contributed Software</title>
446
447    <para revision="263285">The &man.xz.1; utility has been updated
448      to a post-5.0.5 snapshot.</para>
449
450    <para revision="263369" contrib="sponsor"
451      sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
452      been updated to the r196322 snapshot.</para>
453
454    <para revision="263906">The timezone database has been updated to
455      version tzdata2014b.</para>
456
457    <para revision="264377"><application>OpenSSH</application> has
458      been updated to version 6.6p1.</para>
459
460    <para revision="264911">The &man.nc.1; utility has been updated
461      to match the version in OpenBSD 5.5.</para>
462
463    <para revision="266692"><application>Sendmail</application>
464      has been updated to 8.14.9.</para>
465
466    <para revision="267258"><application>OpenSSL</application> has
467      been updated to version 1.0.1h.</para>
468  </sect2>
469
470  <sect2 xml:id="ports">
471    <title>Ports/Packages Collection Infrastructure</title>
472
473    <para>&nbsp;</para>
474
475  </sect2>
476
477  <sect2 xml:id="releng">
478    <title>Release Engineering and Integration</title>
479
480    <para revision="263028">The &man.services.mkdb.8; utility has
481      been updated to include endianness awareness, allowing the
482      <filename>services.db</filename> database to be created as
483      part of the release build, regardless of native- or
484      cross-built releases.</para>
485  </sect2>
486
487  <sect2 xml:id="doc">
488    <title>Documentation</title>
489
490    <para>&nbsp;</para>
491
492  </sect2>
493</sect1>
494
495<sect1 xml:id="upgrade">
496  <title>Upgrading from Previous Releases of &os;</title>
497
498  <para arch="amd64,i386">Binary upgrades between RELEASE versions
499    (and snapshots of the various security branches) are supported
500    using the &man.freebsd-update.8; utility.  The binary upgrade
501    procedure will update unmodified userland utilities, as well as
502    unmodified GENERIC or SMP kernels distributed as a part of an
503    official &os; release.  The &man.freebsd-update.8; utility
504    requires that the host being upgraded have Internet
505    connectivity.</para>
506
507  <para>Source-based upgrades (those based on recompiling the &os;
508    base system from source code) from previous versions are
509    supported, according to the instructions in
510    <filename>/usr/src/UPDATING</filename>.</para>
511
512  <important>
513    <para>Upgrading &os; should only be attempted after
514      backing up <emphasis>all</emphasis> data and configuration
515      files.</para>
516  </important>
517</sect1>
518</article>
519