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11 <article xmlns="http://docbook.org/ns/docbook"
12 xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
15 <title>&os; &release.current; Release Notes</title>
18 <orgname>The &os; Project</orgname>
21 <pubdate>$FreeBSD$</pubdate>
39 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
43 <legalnotice xml:id="trademarks" role="trademarks">
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
63 <sect1 xml:id="intro">
64 <title>Introduction</title>
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>
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
77 xlink:href="&release.url;">&release.url;</uri>.</para>
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
85 xlink:href="&release.url;">&release.url;</uri>.</para>
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
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>
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>
108 <title>What's New</title>
110 <para>This section describes the most user-visible new or changed
111 features in &os; since &release.prev;.</para>
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
123 <sect2 xml:id="security">
124 <title>Security Advisories</title>
130 <sect2 xml:id="kernel">
131 <title>Kernel Changes</title>
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
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>
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>
151 <para revision="260857">The &man.virtio_blk.4; driver has been
152 updated to support unmapped I/O.</para>
154 <para revision="260858">The &man.virtio_scsi.4; driver has been
155 updated to support unmapped I/O.</para>
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>
163 <para revision="262967">Support for MegaRAID Fury cards has been
164 added to the &man.mfi.4; driver.</para>
166 <para revision="263024">The &man.aacraid.4; driver has been
167 updated to version 3.2.5.</para>
169 <para revision="263122">Support for &man.hwpmc.4; has been added
170 for &powerpc; 970 class processors.</para>
172 <para revision="263197">Support for ADT7460 and ADT7467 fan
173 controllers found in newer PowerBooks™ and
174 iBooks™ has been added to the &man.iicbus.4;
177 <para revision="263256">A panic triggered by removing
178 a &man.urtwn.4; device has been fixed.</para>
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>
184 <para revision="263869">Support for &amd; Family 16h sensor
185 devices has been added to &man.amdtemp.4;.</para>
187 <para revision="264522">Support for LUN-based CD changers has
188 been removed from the &man.cd.4; driver.</para>
190 <para revision="264734">Support for 9th generation HP host bus
191 adapter cards has been added to &man.ciss.4;.</para>
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
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>
202 <para revision="265610">The &man.uslcom.4; driver has been
203 updated to support 26 new devices.</para>
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>
215 <para>At this time, the &man.mfiutil.8; utility and
217 <application>MegaCLI</application> and
218 <application>StorCli</application> do not work with
219 &man.mrsas.4;.</para>
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™ enabled has been fixed.</para>
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
232 <para revision="266436">The &man.uart.4; driver has been
233 updated to include support for the &intel; Lynx Point
234 KT <acronym>AMT</acronym> serial port.</para>
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
242 <para revision="266911">The &man.hwpmc.4; driver has been
243 updated to support core events from the Atom™
244 Silvermont architecture.</para>
246 <para revision="267084">The &man.mfi.4; driver has been
247 updated to include support for unmapped I/O.</para>
249 <para revision="267457">The &man.hpt27xx.4; driver has been
250 updated with various vendor-supplied bug fixes.</para>
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>
256 <sect3 xml:id="kernel-virtualization">
257 <title>Virtualization Support</title>
259 <para revision="259450">Support for µsoft; 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>
264 <para revision="261090">The &man.bhyve.4; hypervisor now
265 supports soft power-off functionality via the ACPI S5
268 <para revision="267399">Support for &os;/i386 guests has been
269 added to &man.bhyve.4;.</para>
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>
278 <para revision="268932">The &man.bhyve.4; hypervisor now
279 supports booting from a &man.zfs.8; filesystem.</para>
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>
286 <sect3 xml:id="kernel-arm">
287 <title>ARM Support</title>
289 <para revision="259355">The <filename>WANDBOARD</filename>
290 kernel configuration file has been added.</para>
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>
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>
304 <para revision="266105">The &man.gpioiic.4; and
305 &man.gpioled.4; have been merged from &os;-CURRENT.</para>
307 <para revision="266379">The <literal>ZEDBOARD</literal> kernel
308 configuration file has been updated to include
309 <acronym>SMP</acronym> support.</para>
312 <sect3 xml:id="boot">
313 <title>Boot Loader Changes</title>
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>
324 <sect3 xml:id="proc">
325 <title>Hardware Support</title>
330 <title>Multimedia Support</title>
336 <sect4 xml:id="net-if">
337 <title>Network Interface Support</title>
339 <para revision="259453">Support for Ralink RT5370 and
340 RT5372 chipsets has been added to the &man.run.4;
343 <para revision="260120">Firmware for the &man.run.4; driver
344 has been updated to version 0.33.</para>
346 <para revision="261868">Support for the Ralink RT3593
347 chipset has been added to the &man.run.4; driver.</para>
349 <para revision="261972">The &man.nve.4; driver is now
350 deprecated, and the &man.nfe.4; driver should be used
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>
358 <para revision="262363">The &man.urndis.4; driver has been
359 imported from OpenBSD.</para>
361 <para revision="264866">Support for multiple
362 transmitter/receiver queues has been added to the
363 &man.vmx.4; driver.</para>
366 <para>The &os; guest operating system must have
367 <acronym>MSIX</acronym> enabled as a prerequisite for
368 multiple queues.</para>
371 <para revision="265345">Support for the ASUS USB-N10 Nano
372 wireless card has been added to the &man.urtwn.4;
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>
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>
385 <para revision="267694">A bug in the fast receiver buffer
386 recycle path has been fixed in the &man.cxgbe.4;
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
394 <para revision="269196">The &man.em.4; driver has been
395 updated to version 7.4.2.</para>
399 <sect3 xml:id="net-proto">
400 <title>Network Protocols</title>
402 <para revision="265946">Support for the UDP-Lite protocol
403 (RFC 3828) has been added to the IPv4 and IPv6
406 <para revision="267771">A bug in &man.sctp.4; that would allow
407 two listening sockets bound to the same port has been
411 <sect3 xml:id="disks">
412 <title>Disks and Storage</title>
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
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>
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>
434 <para revision="268091">Support for the
435 <literal>disklabel64</literal> partitioning scheme has been
436 added to &man.gpart.8;.</para>
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
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>
449 <title>File Systems</title>
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>
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>
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>
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>
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>
481 <para revision="269774">Two &man.sysctl.8;s have been added
482 to the &man.zfs.8; filesystem:</para>
487 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The
488 percentage of the metaslab group size that should be
489 considered eligible for allocation, unless all metaslab
490 groups within the metaslab class have also crossed this
496 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The
497 maximum percentage of metaslab fragmentation level to
498 keep their active state</para>
502 <para revision="269846">The default &man.zfs.8;
503 <acronym>ARC</acronym> hash table size has been increased,
504 and a new &man.loader.8; tunable,
505 <literal>vfs.zfs.arc_average_blocksize</literal>, has been
506 added. Previously, the hash table could be too small, which
507 would lead to long hash chains and limit performance for
509 <literal>vfs.zfs.arc_average_blocksize</literal> tunable
510 allows overriding the default block size. The previous
511 default was 65536, and default of the new &man.loader.8;
512 tunable is 8192.</para>
516 <sect2 xml:id="userland">
517 <title>Userland Changes</title>
519 <para revision="260177" contrib="sponsor"
520 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
521 <literal>-b</literal>, which outputs the existing buses and
522 their parents.</para>
524 <para revision="262075">The &man.newsyslog.8; utility has been
525 updated to rotate files based on the actual file size instead
526 of the blocks on disk. This matches the behavior documented
527 in &man.newsyslog.conf.5;.</para>
529 <para revision="262384">The location of the &man.rctl.8;
530 configuration file can now be overridden in &man.rc.conf.5;.
531 To use a non-default location, set
532 <literal>rctl_rules</literal> in &man.rc.conf.5; to the
533 location of the file.</para>
535 <para revision="262855">The <application>ATF</application> test
536 suite has been updated to version 0.20.</para>
538 <para revision="263019">The <literal>libucl</literal> library
539 (Unified Configuration Library) has been merged from
542 <para revision="263020">The &man.pkg.7; bootstrapping utility
543 has been synced with the version in &os;-CURRENT.</para>
545 <para revision="263403">The &man.zfs.8; userland utility has
546 been updated to include aliases for
547 <command>snapshot</command>, which allows use of <command>zfs
548 list -t snap</command> and <command>zfs
549 snap</command>.</para>
551 <para revision="263405">The &man.zfs.8; userland utility has
552 been updated to include a new flag to <command>zfs
553 list</command>, <literal>-p</literal>, which when specified,
554 prints the output in a parsable format.</para>
556 <para revision="263783">The Blowfish password format
557 implementation updated. Support for $2b$ has
558 been added, allowing use of passwords greater than 256
559 characters long.</para>
561 <para revision="264497">The &man.iconv.3; library has been
562 updated to match NetBSD, providing several bug fixes.</para>
564 <para revision="265265">The &man.date.1; utility has been
565 updated to include a new flag, <literal>-R</literal>, which
566 prints the date and time output as specified in RFC
569 <para revision="265533">The &man.bc.1; utility has been updated
570 to version 1.1, in sync with the version in OpenBSD.</para>
572 <para revision="265604" contrib="vendor"
573 vendor="&netflix;">The &man.pmcstat.8; utility has been
574 updated to include a new flag, <literal>-a</literal>, which
575 when specified, produces a full stack track on the sampled
578 <para revision="265701">The &man.netstat.8; and &man.route.8;
579 utilities have been updated to include a shorthand equivalent
580 to the <literal>-f inet</literal> and <literal>-f
581 inet6</literal> address specifiers, <literal>-4</literal>
582 and <literal>-6</literal>, respectively.</para>
584 <para revision="265879">The &man.crypt.3; library now defaults
585 to SHA512 for password hashing.</para>
587 <para revision="266014">The &man.gvinum.8; utility has been
588 updated to allow forceful configuration reset with the
589 <literal>-f</literal> flag. Additionally, a bug that would
590 prevent <literal>-f</literal> from properly creating
591 a &man.gvinum.8; configuration has been fixed.</para>
593 <para revision="266029">The &man.login.conf.5; file now takes
594 precedence over the shell-specific environment files. In
595 particular, the <literal>PATH</literal>,
596 <literal>BLOCKSIZE</literal> variables are commented from
597 <filename>/usr/share/skel/dot.profile</filename>, and the
598 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and
599 <literal>umask</literal> variables have been commented from
600 <filename>/usr/share/skel/dot.cshrc</filename>.</para>
602 <para revision="266272">The &man.binmiscctl.8; userland utility
603 and related image activator features have been merged from
606 <para revision="266279">The &man.ps.1; utility has been
607 updated to include the <literal>-J</literal> flag, used to
608 filter output by matching &man.jail.8; IDs and names.
609 Additionally, argument <literal>0</literal> can be used to
610 <literal>-J</literal> to only list processes running on the
613 <para revision="266280">The &man.top.1; utility has been updated
614 to filter by &man.jail.8; ID or name, in followup to the
615 &man.ps.1; change in <literal>r265229</literal>.</para>
617 <para revision="266610">The &man.gstat.8; utility has been
618 updated to include a new flag, <literal>-o</literal>. When
619 set, &man.gstat.8; will display statistics for operations
620 such as <literal>BIO_FLUSH</literal>.</para>
622 <para revision="266632">The &man.fetch.3; library has been
623 updated to look for root <acronym>SSL</acronym> certificates
624 in <filename class="directory">/usr/local/etc/ssl/</filename>
626 class="directory">/etc/ssl/</filename>.</para>
628 <para revision="266715">The &man.clang.1;/llvm suite has been
629 updated to version 3.4.1.</para>
631 <para revision="266816">The Blowfish password format
632 has been changed to $2b$ by default.</para>
634 <para revision="266888">The amount of data collected for
635 &man.hwpmc.4; has been updated to work with modern processors
636 and larger amounts of available memory.</para>
638 <para revision="266890">The &man.pmcstat.8; utility has been
639 updated to include a new flag, <literal>-l</literal>, which
640 ends event collection after the specified number of
643 <para revision="266953">The &man.mergemaster.8; utility has
644 been updated to avoid printing
645 <quote><filename>/var/tmp/temproot</filename>
646 disappeared</quote> if there is nothing to compare.</para>
648 <para revision="267056">The &os; installer, &man.bsdinstall.8;,
649 has been updated to include optional
650 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap
651 devices when installing onto a full &man.zfs.8; filesystem.
652 Additionally, the parent &man.zfs.8; dataset is now configured
653 with <literal>lz4</literal> compression enabled.</para>
655 <para revision="267113">The default &man.newsyslog.conf.5; now
656 includes files in the
657 <filename>/etc/newsyslog.conf.d/</filename> and
658 <filename>/usr/local/etc/newsyslog.conf.d/</filename>
659 directories by default for &man.newsyslog.8;.</para>
661 <para revision="267161">The &man.realpath.1; utility has been
662 updated to return <literal>ENOTDIR</literal> on paths
663 components <quote>.</quote> and <quote>..</quote> that are
664 not directories, such as <filename
665 class="directory">/dev/null/.</filename> or <filename
666 class="directory">/dev/null/..</filename>.</para>
668 <para revision="267236">A new flag, <quote>onifconsole</quote>
669 has been added to <filename>/etc/ttys</filename>. This allows
670 the system to provide a login prompt via serial console if the
671 device is an active kernel console, otherwise it is equivalent
672 to <literal>off</literal>.</para>
674 <para revision="267341">Support for legacy
675 <acronym>PCI</acronym> devices has been removed from
676 &man.bhyve.8;.</para>
678 <para revision="267450">The &man.bhyve.8; userland utility
679 has been updated to include SMBIOS support. A new flag has
680 been added, <literal>-U</literal>, which allows specifying the
681 UUID of the guest in the System Information structure.</para>
683 <para revision="267734">The &os; Project has migrated
684 from the <application>GNATS</application> bug tracking system
685 to <application>Bugzilla</application>. The &man.send-pr.1;
686 utility used for submitting problem reports has been replaced
687 with a stub shell script that instructs to use the Bugzilla
688 web interface.</para>
690 <para revision="267747">The &man.patch.1; utility has been
691 updated to include a <literal>--dry-run</literal> flag, which
692 is equivalent to <literal>--check</literal> and
693 <literal>-C</literal>.</para>
695 <para revision="267878">A bug in &man.bsdgrep.1; that would
696 prevent patterns from being matched under certain conditions
697 has been fixed.</para>
699 <para revision="267979">The &man.procstat.1; utility has been
700 updated to include two new flags, <literal>-r</literal> and
701 <literal>-H</literal>. When <literal>-r</literal> is
702 specified, &man.procstat.1; will print current resource usage
703 about the process(es). When <literal>-H</literal> is
704 specified, &man.procstat.1; will print information about
705 threads rather than the process(es).</para>
708 <para>The <literal>-H</literal> flag is currently only used
709 with <literal>-r</literal> to display resource usage for
710 individual threads, rather than the entire process.</para>
713 <para revision="268019">The &man.sed.1; utility has been
714 updated to include a new flag, <literal>-u</literal>, which
715 enables unbuffered output when specified.</para>
717 <para revision="268161">The &man.mkimg.1; utility has been
718 merged from &os;-CURRENT.</para>
720 <para revision="268700">The &man.camcontrol.8; has been updated
721 to include a new <literal>persist</literal> command, which
722 allows issuing <command>SCSI PERSISTENT RESERVE IN</command>
723 and <command>SCSI PERSISTENT RESERVE OUT</command>.</para>
725 <para revision="268791">The &man.gstat.8; utility has been
726 updated to include a new flag, <literal>-p</literal>, which
727 displays only physical providers when specified.</para>
729 <para revision="268903">The &man.kldstat.8; utility has been
730 updated to allow <literal>-q</literal> to be specified when
731 also specifying <literal>-n
732 <replaceable>module.ko</replaceable></literal>.</para>
734 <para revision="269177">The &man.mkimg.1; utility has been
735 updated to include support for both fixed- and
736 dynamically-allocated images for the <acronym>VHD</acronym>
737 and <acronym>VMDK</acronym> formats.</para>
739 <para revision="269220">The &man.random.4; entropy collection
740 script, <filename>/usr/libexec/save-entropy</filename>, no
741 longer runs within &man.jail.8; environments.</para>
743 <para revision="269397">The &man.bhyve.8; wrapper script,
744 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>,
745 has been synced with &os;-CURRENT.</para>
747 <para>This update includes:</para>
751 <para>A new flag, <literal>-e</literal>, has been added,
752 which is used to set &man.loader.8; environment
757 <para>A new flag, <literal>-C</literal>, has been added,
758 which is used to specify the guest console device.</para>
762 <para>A new flag, <literal>-H</literal>, has been added,
763 which is used to pass the host path to
764 &man.bhyveload.8;.</para>
768 <para>Support for multiple disk and &man.tap.4; devices
769 has been added.</para>
773 <para>The <literal>-I</literal> flag has been
778 <para revision="269398">The &man.nfsd.8; server update to 4.1
779 has merged from &os;-CURRENT.</para>
781 <para revision="269432" arch="ia64">The serial terminals
782 <filename>ttyu0</filename> and <filename>ttyu1</filename> have
783 been updated to <literal>onifconsole</literal> by default in
784 &man.ttys.5;, which either can be the serial console,
785 depending on the platform.</para>
787 <para revision="269800">The &man.ping6.8; utility has been
788 updated to reset <literal>itimer</literal> when the maximum
789 number of packets to send have been reached. This prevents
790 &man.ping6.8; from exiting when the interval in set to a small
791 value and a low number of packets to send has been
794 <para revision="269805">The &man.jail.8; utility has been
795 updated to support extra &man.ifconfig.8; arguments for the
796 <literal>ip4.addr</literal> and <literal>ip6.addr</literal>
797 parameters. This change allows &man.carp.4; interfaces to
798 be used within the &man.jail.8;.</para>
800 <sect3 xml:id="rc-scripts">
801 <title><filename>/etc/rc.d</filename> Scripts</title>
803 <para revision="264438">The <filename>network.subr</filename>
804 &man.rc.8; script has been updated to loosen the requirement
805 of listing network aliases in numeric order. Previously,
807 <literal>_alias<replaceable>2</replaceable></literal>
808 would not be created if
809 <literal>_alias<replaceable>1</replaceable></literal> was
812 <para revision="268098">The &man.service.8; utility has been
813 updated to check that the &man.rc.d.8; directory exists
814 before traversing the directory.</para>
818 <sect2 xml:id="contrib">
819 <title>Contributed Software</title>
821 <para revision="263285">The &man.xz.1; utility has been updated
822 to a post-5.0.5 snapshot.</para>
824 <para revision="264377"><application>OpenSSH</application> has
825 been updated to version 6.6p1.</para>
827 <para revision="264911">The &man.nc.1; utility has been updated
828 to match the version in OpenBSD 5.5.</para>
830 <para revision="266692"><application>Sendmail</application>
831 has been updated to 8.14.9.</para>
833 <para revision="267477">The timezone database has been updated
834 to version tzdata2014e.</para>
836 <para revision="268515">The &man.file.1; utility and
837 &man.libmagic.3; library have been updated to 5.19.</para>
839 <para revision="268899">The &man.byacc.1; parser has been
840 updated to version 20140422.</para>
842 <para revision="269024" contrib="sponsor"
843 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
844 been updated to the r202189 snapshot.</para>
846 <para revision="269257">The &man.unbound.8; caching resolver and
847 <literal>ldns</literal> have been updated to version
850 <para revision="269686"><application>OpenSSL</application> has
851 been updated to version 1.0.1i.</para>
854 <sect2 xml:id="ports">
855 <title>Ports/Packages Collection Infrastructure</title>
861 <sect2 xml:id="releng">
862 <title>Release Engineering and Integration</title>
864 <para revision="263028">The &man.services.mkdb.8; utility has
865 been updated to include endianness awareness, allowing the
866 <filename>services.db</filename> database to be created as
867 part of the release build, regardless of native- or
868 cross-built releases.</para>
872 <title>Documentation</title>
879 <sect1 xml:id="upgrade">
880 <title>Upgrading from Previous Releases of &os;</title>
882 <para arch="amd64,i386">Binary upgrades between RELEASE versions
883 (and snapshots of the various security branches) are supported
884 using the &man.freebsd-update.8; utility. The binary upgrade
885 procedure will update unmodified userland utilities, as well as
886 unmodified GENERIC or SMP kernels distributed as a part of an
887 official &os; release. The &man.freebsd-update.8; utility
888 requires that the host being upgraded have Internet
891 <para>Source-based upgrades (those based on recompiling the &os;
892 base system from source code) from previous versions are
893 supported, according to the instructions in
894 <filename>/usr/src/UPDATING</filename>.</para>
897 <para>Upgrading &os; should only be attempted after
898 backing up <emphasis>all</emphasis> data and configuration