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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="260431">A new &man.sysctl.8;,
134 <literal>kern.panic_reboot_wait_time</literal>, has been
135 added, which allows controlling how long the system will wait
136 after &man.panic.9; before rebooting.</para>
138 <para revision="262861">The &man.vt.4; driver has been merged
139 from &os;-CURRENT. To enable &man.vt.4;, enter
140 <literal>set kern.vty=vt</literal> at the &man.loader.8;
141 prompt during boot, or add <literal>kern.vty=vt</literal> to
142 &man.loader.conf.5; and reboot the system.</para>
144 <para revision="263122">Support for &man.hwpmc.4; has been added
145 for &powerpc; 970 class processors.</para>
147 <para revision="263197">Support for ADT7460 and ADT7467 fan
148 controllers found in newer PowerBooks™ and
149 iBooks™ has been added to the &man.iicbus.4;
152 <para revision="263256">A panic triggered by removing
153 a &man.urtwn.4; device has been fixed.</para>
155 <para revision="263799">A potential deadlock in the &man.usb.4;
156 stack triggered by detaching USB devices that create character
157 devices has been fixed.</para>
159 <para revision="263869">Support for &amd; Family 16h sensor
160 devices has been added to &man.amdtemp.4;.</para>
162 <para revision="265610">The &man.uslcom.4; driver has been
163 updated to support 26 new devices.</para>
165 <para revision="266165">A kernel bug that inhibited proper
166 functionality of the <literal>dev.cpu.0.freq</literal>
167 &man.sysctl.8; on &intel; processors with Turbo
168 Boost™ enabled has been fixed.</para>
170 <para revision="266436">The &man.uart.4; driver has been
171 updated to include support for the &intel; Lynx Point
172 KT <acronym>AMT</acronym> serial port.</para>
174 <para revision="266594">The <literal>radeonkms(4)</literal>
175 driver has been updated to include 32-bit &man.ioctl.2;
176 support, allowing 32-bit applications to run on a 64-bit
179 <para revision="266718">A bug that would prevent
180 a &man.jail.8; from setting the correct IPv4 source address
181 with some operations that required
182 <literal>security.jail.allow_raw_sockets</literal> has been
185 <para revision="266911">The &man.hwpmc.4; driver has been
186 updated to support core events from the Atom™
187 Silvermont architecture.</para>
189 <para revision="268046">The &man.oce.4; driver has been updated
190 with vendor-supplied fixes for big endian support, and 20GB/s
191 and 25GB/s link speeds.</para>
193 <para revision="270630">The &os; virtual memory subsystem
194 has been updated to implement <quote>fast path</quote> for
195 the page fault handler.</para>
197 <sect3 xml:id="kernel-virtualization">
198 <title>Virtualization Support</title>
200 <para revision="259450">Support for µsoft; Hyper-V
201 has been added to &os;/i386 as loadable modules, however
202 not available in the <filename>GENERIC</filename> kernel
203 configuration.</para>
205 <para revision="261090">The &man.bhyve.4; hypervisor now
206 supports soft power-off functionality via the ACPI S5
209 <para revision="267399">Support for &os;/i386 guests has been
210 added to &man.bhyve.4;.</para>
212 <para revision="267427">Support for virtualized
213 <literal>XSAVE</literal> has been added to &man.bhyve.4;,
214 allowing guest operating systems to use
215 <literal>XSAVE</literal> and
216 <literal>XSAVE</literal>-enabled features, such as
217 <acronym>AVX</acronym>.</para>
219 <para revision="268932">The &man.bhyve.4; hypervisor now
220 supports booting from a &man.zfs.8; filesystem.</para>
222 <para revision="268933">A new driver, &man.virtio_random.4;,
223 has been added, which allows &os; virtual machines to
224 harvest entropy from the hypervisor.</para>
226 <para revision="270159">The &man.bhyve.4; hypervisor has been
227 synced with the version in &os;-CURRENT.</para>
229 <para>A number of enhancements have been added, and several
230 bug fixes, including:</para>
234 <para>Post-mortem debugging has been added when
235 a guest virtual machine exits with an
236 <quote><acronym>EPT</acronym> Misconfiguration</quote>
241 <para>The hypervisor &man.virtio.4; <acronym>API</acronym>
242 has been expanded from 32- to 64-bit.</para>
246 <para>Support for identifying capabilities of the virtual
247 <acronym>CPU</acronym> has been added.</para>
251 <para>Support for emulating legacy x86 task
252 switching has been added.</para>
256 <para>Support to list the VT-x features in base kernel
257 &man.dmesg.8; has been added.</para>
261 <para>Support for extended PCI configuration space
262 has been added.</para>
267 <sect3 xml:id="kernel-arm">
268 <title>ARM Support</title>
270 <para revision="259355">The <filename>WANDBOARD</filename>
271 kernel configuration file has been added.</para>
273 <para revision="265067">Boot devices may now be specified by
274 setting a u-boot environment variable. If a boot device is
275 not specified, the probe mechanism will be used. To specify
276 the boot device, set the
277 <literal>loaderdev=<replaceable>device</replaceable></literal>
278 u-boot environment variable.</para>
280 <para revision="266000">The <literal>nexus(4)</literal> driver
281 has been updated to include <quote>Flattened Device
282 Tree</quote> support, replacing the &man.fdtbus.4; driver
283 in most cases.</para>
285 <para revision="266105">The &man.gpioiic.4; and
286 &man.gpioled.4; have been merged from &os;-CURRENT.</para>
288 <para revision="266379">The <literal>ZEDBOARD</literal> kernel
289 configuration file has been updated to include
290 <acronym>SMP</acronym> support.</para>
293 <sect3 xml:id="boot">
294 <title>Boot Loader Changes</title>
296 <para revision="262701">A kernel selection menu has been added
297 to &man.loader.8;. If the <quote>beastie menu</quote> is
298 enabled, the kernel to boot may be selected from the kernel
299 selection menu. Additional kernels may be listed in
300 &man.loader.conf.5; as a comma- or space-separated list. By
301 default, <literal>kernel</literal> and
302 <literal>kernel.old</literal> are listed.</para>
305 <sect3 xml:id="proc">
306 <title>Hardware Support</title>
311 <title>Multimedia Support</title>
317 <sect4 xml:id="net-if">
318 <title>Network Interface Support</title>
320 <para revision="259453">Support for Ralink RT5370 and
321 RT5372 chipsets has been added to the &man.run.4;
324 <para revision="260120">Firmware for the &man.run.4; driver
325 has been updated to version 0.33.</para>
327 <para revision="261868">Support for the Ralink RT3593
328 chipset has been added to the &man.run.4; driver.</para>
330 <para revision="261972">The &man.nve.4; driver is now
331 deprecated, and the &man.nfe.4; driver should be used
334 <para revision="262137">Support for the &man.axge.4; driver
335 has been added. This driver supports the ASIX AX88178A
336 and AX88179 USB ethernet adapters. The AX88178A supports
337 USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
339 <para revision="262363">The &man.urndis.4; driver has been
340 imported from OpenBSD.</para>
342 <para revision="264866">Support for multiple
343 transmitter/receiver queues has been added to the
344 &man.vmx.4; driver.</para>
347 <para>The &os; guest operating system must have
348 <acronym>MSIX</acronym> enabled as a prerequisite for
349 multiple queues.</para>
352 <para revision="265345">Support for the ASUS USB-N10 Nano
353 wireless card has been added to the &man.urtwn.4;
356 <para revision="266212">Transmission checksum offloading has
357 been disabled for the RTL8168C and RTL8168CP chipsets in
358 the &man.re.4; driver for TCP and UDP frames. This is
359 due to a report of UDP datagrams with IP options
360 generating corrupt frames.</para>
362 <para revision="266578">Preliminary support has been added
363 to the &man.urtwn.4; driver for the Realtek RTL8188EUS and
364 RTL8188ETV chipsets.</para>
366 <para revision="267694">A bug in the fast receiver buffer
367 recycle path has been fixed in the &man.cxgbe.4;
370 <para revision="267849" contrib="vendor"
371 vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for
372 T4 and T5 cards has been updated to version
375 <para revision="269196">The &man.em.4; driver has been
376 updated to version 7.4.2.</para>
378 <para revision="269975">The &man.ixgbe.4; tunables have been
379 renamed to match their &man.sysctl.8; counterparts:</para>
381 <informaltable frame="none" pgwide="0">
383 <colspec colwidth="1*"/>
384 <colspec colwidth="1*"/>
387 <entry>Old Name</entry>
388 <entry>New Name</entry>
394 <entry><literal>hw.ixgbe.enable_aim</literal></entry>
395 <entry><literal>hw.ix.enable_aim</literal></entry>
399 <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry>
400 <entry><literal>hw.ix.max_interrupt_rate</literal></entry>
404 <entry><literal>hw.ixgbe.rx_process_limit</literal></entry>
405 <entry><literal>hw.ix.rx_process_limit</literal></entry>
409 <entry><literal>hw.ixgbe.tx_process_limit</literal></entry>
410 <entry><literal>hw.ix.tx_process_limit</literal></entry>
414 <entry><literal>hw.ixgbe.enable_msix</literal></entry>
415 <entry><literal>hw.ix.enable_msix</literal></entry>
419 <entry><literal>hw.ixgbe.num_queues</literal></entry>
420 <entry><literal>hw.ix.num_queues</literal></entry>
424 <entry><literal>hw.ixgbe.txd</literal></entry>
425 <entry><literal>hw.ix.txd</literal></entry>
429 <entry><literal>hw.ixgbe.rxd</literal></entry>
430 <entry><literal>hw.ix.rxd</literal></entry>
434 <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry>
435 <entry><literal>hw.ix.unsupported_sfp</literal></entry>
441 <para>Be sure to update &man.loader.conf.5; if using the
442 old tunables before upgrading to
443 &os; &release.current;.</para>
445 <para revision="270061">The &man.if.nf10bmac.4; driver has
446 been merged from &os;-CURRENT to support the NetFPGA-10G
447 Embedded CPU Ethernet Core.</para>
449 <para revision="270297">The &man.cxgbe.4; driver has been
450 updated to support &man.netmap.4; for the T5 10G/40G
453 <para revision="270509">The &man.vtnet.4; driver has been
454 updated to support &man.netmap.4;.</para>
456 <para revision="270514">The &man.urtwn.4; driver has been
457 updated to support the ASUS USB-AC51 wireless card.</para>
459 <para revision="270631">The &intel; XL710 ethernet
460 controller driver, <literal>ixlv(4)</literal>, has been
461 merged from &os;-CURRENT.</para>
465 <sect3 xml:id="net-proto">
466 <title>Network Protocols</title>
468 <para revision="265946">Support for the UDP-Lite protocol
469 (RFC 3828) has been added to the IPv4 and IPv6
472 <para revision="267771">A bug in &man.sctp.4; that would allow
473 two listening sockets bound to the same port has been
477 <sect3 xml:id="disks">
478 <title>Disks and Storage</title>
480 <para revision="260385" contrib="sponsor" sponsor="&ix;">The
481 &man.geom.4; got I/O direct dispatch support.
482 When safety requirements are met, it allows to avoid passing
483 I/O requests to GEOM g_up/g_down thread, executing them directly
484 in the caller context. That allows to avoid CPU bottlenecks in
485 g_up/g_down threads, plus avoid several context switches per I/O.
488 <para revision="260385" contrib="sponsor" sponsor="&ix;">The
489 &man.geom.4; RAID driver has been
490 updated to support unmapped I/O.</para>
492 <para revision="260478">The &man.geom.8;
493 <literal>GEOM_MULTIPATH</literal> class got automatic live
494 resize support.</para>
496 <para revision="260857">The &man.virtio_blk.4; driver has been
497 updated to support unmapped I/O.</para>
499 <para revision="260858">The &man.virtio_scsi.4; driver has been
500 updated to support unmapped I/O.</para>
502 <para revision="264522">Support for LUN-based CD changers has
503 been removed from the &man.cd.4; driver.</para>
505 <para revision="264734">Support for 9th generation HP host bus
506 adapter cards has been added to &man.ciss.4;.</para>
508 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
509 &man.mpr.4; device has been added,
510 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
513 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
514 &man.mrsas.4; driver has been added,
515 providing support for LSI MegaRAID SAS controllers. The
516 &man.mfi.4; driver will attach to the controller, by default.
517 To enable &man.mrsas.4; add
518 <literal>hw.mfi.mrsas_enable=1</literal> to
519 <filename>/boot/loader.conf</filename>, which turns off
520 &man.mfi.4; device probing.</para>
523 <para>At this time, the &man.mfiutil.8; utility and
525 <application>MegaCLI</application> and
526 <application>StorCli</application> do not work with
527 &man.mrsas.4;.</para>
530 <para revision="266608">Fixed accounting of BIO_FLUSH operation
531 in &man.geom.8; <literal>GEOM_DISK</literal> class</para>
533 <para revision="266610">The &man.gstat.8;
534 utility now has a <literal>-o</literal> option, to
535 display "other" operatins (e.g. BIO_FLUSH).</para>
537 <para revision="267084">The &man.mfi.4; driver has been
538 updated to include support for unmapped I/O.</para>
540 <para revision="267457">The &man.hpt27xx.4; driver has been
541 updated with various vendor-supplied bug fixes.</para>
543 <para revision="270130" contrib="sponsor"
544 sponsor="&citrix.rd;">Support for unmapped I/O has been added
545 to the &man.xen.4; <literal>blkfront</literal> driver.</para>
547 <para revision="259328" contrib="sponsor" sponsor="&ff;">The
548 &man.geom.8; <literal>label</literal> class is now aware of
549 resized partitions. This corrects an issue where
550 <command>geom resize</command> would resize the partition,
551 but the label provider in <filename
552 class="directory">/dev/gptid/</filename> would not be
555 <para revision="260502">The &man.gmirror.8;
556 utility now has a <literal>resize</literal> command, making
557 it easier to resize the size of a mirror when all of its
558 components have been replaced.</para>
560 <para revision="262967">Support for MegaRAID Fury cards has been
561 added to the &man.mfi.4; driver.</para>
563 <para revision="263024">The &man.aacraid.4; driver has been
564 updated to version 3.2.5.</para>
566 <para revision="265536">The <literal>GEOM_VINUM</literal> option
567 is now able to be built both directly into the kernel or as
568 a &man.kldload.8; loadable module.</para>
570 <para revision="265912">The &man.geom.8;
571 <literal>GEOM_PART</literal> class has been updated to
572 support automatic partition resizing. Changes to the
573 partition size are not saved to disk until
574 <command>gpart commit</command> is run, and prior to saving,
575 can be reverted with <command>gpart undo</command>.</para>
577 <para revision="266220">The &man.geom.uncompress.4; module is
578 built by default which, similar to &man.geom.uzip.4;,
579 provides support for compressed, read-only disk
582 <para revision="268091">Support for the
583 <literal>disklabel64</literal> partitioning scheme has been
584 added to &man.gpart.8;.</para>
586 <para revision="269298">The maximum number of
587 <acronym>SCSI</acronym> ports in the &man.ctl.4; driver has
588 been increased from 32 to 128.</para>
590 <para revision="270552">A new &man.sysctl.8; and
591 &man.loader.8; tunable,
592 <literal>kern.geom.part.mbr.enforce_chs</literal> has been
593 added to the &man.geom.8; <literal>MBR</literal> partition
594 class. When set to a non-zero value,
595 <literal>GEOM_PART_MBR</literal> will automatically
596 recalculate the user-specified offset and size for alignment
597 with the disk geometry.</para>
601 <title>File Systems</title>
603 <para revision="260338">The
604 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has been
605 re-enabled. On multi-CPU machines with enough RAM, this can
606 easily double &man.zfs.8; performance or reduce CPU usage in
607 half. It was originally disabled due to memory and
608 <acronym>KVA</acronym> exhaustion problem reports, which
609 should be resolved due to several change in the VM
612 <para revision="260178" contrib="vendor"
613 vendor="&netflix;">A new flag, <literal>-R</literal>,
614 has been added to the &man.fsck.ffs.8; utility. When used,
615 &man.fsck.ffs.8; will restart itself when too many critical
616 errors have been detected.</para>
618 <para revision="263407">The &man.zfs.8; filesystem has been
619 updated to implement <quote>bookmarks</quote>. See
620 &man.zfs.8; for further details.</para>
622 <para revision="266122">The &man.zfs.8; filesystem has been
623 updated to allow tuning the minimum <quote>ashift</quote>
624 value when creating new top-level virtual devices (vdevs).
625 To set the minimum ashift value, for example when creating
626 a &man.zpool.8; on <quote>Advanced Format</quote> drives,
627 set the <literal>vfs.zfs.min_auto_ashift</literal>
628 &man.sysctl.8; accordingly.</para>
630 <para revision="266612">The <literal>libzfs</literal> thread
631 pool <acronym>API</acronym> has been imported from
632 OpenSolaris, and adapted for &os;. This change allows
633 parallel disk scanning, which can reduce &man.zpool.8;
634 overall import time in some workloads.</para>
636 <para revision="269651">The &man.restore.8; utility has been
637 updated to prevent assertion failures when restoring
638 a <acronym>UFS</acronym> filesystem dump to
639 a <acronym>ZFS</acronym> filesystem by writing restored
640 files in block sizes that are a multiple of 1024.</para>
642 <para revision="269774">Two &man.sysctl.8;s have been added
643 to the &man.zfs.8; filesystem:</para>
648 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The
649 percentage of the metaslab group size that should be
650 considered eligible for allocation, unless all metaslab
651 groups within the metaslab class have also crossed this
657 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The
658 maximum percentage of metaslab fragmentation level to
659 keep their active state</para>
663 <para revision="269846">The default &man.zfs.8;
664 <acronym>ARC</acronym> hash table size has been increased,
665 and a new &man.loader.8; tunable,
666 <literal>vfs.zfs.arc_average_blocksize</literal>, has been
667 added. Previously, the hash table could be too small, which
668 would lead to long hash chains and limit performance for
670 <literal>vfs.zfs.arc_average_blocksize</literal> tunable
671 allows overriding the default block size. The previous
672 default was 65536, and default of the new &man.loader.8;
673 tunable is 8192.</para>
675 <para revision="270157">The Fast File System
676 (<acronym>FFS</acronym>) has been updated to support
677 multi-threaded soft updates. Previously, soft updates were
678 handled by a single thread, and as of this change, now have
679 one thread per <acronym>FFS</acronym> mountpoint.</para>
683 <sect2 xml:id="userland">
684 <title>Userland Changes</title>
686 <para revision="260177" contrib="sponsor"
687 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
688 <literal>-b</literal>, which outputs the existing buses and
689 their parents.</para>
691 <para revision="262075">The &man.newsyslog.8; utility has been
692 updated to rotate files based on the actual file size instead
693 of the blocks on disk. This matches the behavior documented
694 in &man.newsyslog.conf.5;.</para>
696 <para revision="262384">The location of the &man.rctl.8;
697 configuration file can now be overridden in &man.rc.conf.5;.
698 To use a non-default location, set
699 <literal>rctl_rules</literal> in &man.rc.conf.5; to the
700 location of the file.</para>
702 <para revision="262855">The <application>ATF</application> test
703 suite has been updated to version 0.20.</para>
705 <para revision="263019">The <literal>libucl</literal> library
706 (Unified Configuration Library) has been merged from
709 <para revision="263020">The &man.pkg.7; bootstrapping utility
710 has been synced with the version in &os;-CURRENT.</para>
712 <para revision="263403">The &man.zfs.8; userland utility has
713 been updated to include aliases for
714 <command>snapshot</command>, which allows use of <command>zfs
715 list -t snap</command> and <command>zfs
716 snap</command>.</para>
718 <para revision="263405">The &man.zfs.8; userland utility has
719 been updated to include a new flag to <command>zfs
720 list</command>, <literal>-p</literal>, which when specified,
721 prints the output in a parsable format.</para>
723 <para revision="263783">The Blowfish password format
724 implementation updated. Support for $2b$ has
725 been added, allowing use of passwords greater than 256
726 characters long.</para>
728 <para revision="264497">The &man.iconv.3; library has been
729 updated to match NetBSD, providing several bug fixes.</para>
731 <para revision="265265">The &man.date.1; utility has been
732 updated to include a new flag, <literal>-R</literal>, which
733 prints the date and time output as specified in RFC
736 <para revision="265533">The &man.bc.1; utility has been updated
737 to version 1.1, in sync with the version in OpenBSD.</para>
739 <para revision="265604" contrib="vendor"
740 vendor="&netflix;">The &man.pmcstat.8; utility has been
741 updated to include a new flag, <literal>-a</literal>, which
742 when specified, produces a full stack track on the sampled
745 <para revision="265701">The &man.netstat.8; and &man.route.8;
746 utilities have been updated to include a shorthand equivalent
747 to the <literal>-f inet</literal> and <literal>-f
748 inet6</literal> address specifiers, <literal>-4</literal>
749 and <literal>-6</literal>, respectively.</para>
751 <para revision="265879">The &man.crypt.3; library now defaults
752 to SHA512 for password hashing.</para>
754 <para revision="266014">The &man.gvinum.8; utility has been
755 updated to allow forceful configuration reset with the
756 <literal>-f</literal> flag. Additionally, a bug that would
757 prevent <literal>-f</literal> from properly creating
758 a &man.gvinum.8; configuration has been fixed.</para>
760 <para revision="266029">The &man.login.conf.5; file now takes
761 precedence over the shell-specific environment files. In
762 particular, the <literal>PATH</literal>,
763 <literal>BLOCKSIZE</literal> variables are commented from
764 <filename>/usr/share/skel/dot.profile</filename>, and the
765 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and
766 <literal>umask</literal> variables have been commented from
767 <filename>/usr/share/skel/dot.cshrc</filename>.</para>
769 <para revision="266272">The &man.binmiscctl.8; userland utility
770 and related image activator features have been merged from
773 <para revision="266279">The &man.ps.1; utility has been
774 updated to include the <literal>-J</literal> flag, used to
775 filter output by matching &man.jail.8; IDs and names.
776 Additionally, argument <literal>0</literal> can be used to
777 <literal>-J</literal> to only list processes running on the
780 <para revision="266280">The &man.top.1; utility has been updated
781 to filter by &man.jail.8; ID or name, in followup to the
782 &man.ps.1; change in <literal>r265229</literal>.</para>
784 <para revision="266610">The &man.gstat.8; utility has been
785 updated to include a new flag, <literal>-o</literal>. When
786 set, &man.gstat.8; will display statistics for operations
787 such as <literal>BIO_FLUSH</literal>.</para>
789 <para revision="266632">The &man.fetch.3; library has been
790 updated to look for root <acronym>SSL</acronym> certificates
791 in <filename class="directory">/usr/local/etc/ssl/</filename>
793 class="directory">/etc/ssl/</filename>.</para>
795 <para revision="266715">The &man.clang.1;/llvm suite has been
796 updated to version 3.4.1.</para>
798 <para revision="266816">The Blowfish password format
799 has been changed to $2b$ by default.</para>
801 <para revision="266888">The amount of data collected for
802 &man.hwpmc.4; has been updated to work with modern processors
803 and larger amounts of available memory.</para>
805 <para revision="266890">The &man.pmcstat.8; utility has been
806 updated to include a new flag, <literal>-l</literal>, which
807 ends event collection after the specified number of
810 <para revision="266953">The &man.mergemaster.8; utility has
811 been updated to avoid printing
812 <quote><filename>/var/tmp/temproot</filename>
813 disappeared</quote> if there is nothing to compare.</para>
815 <para revision="267056">The &os; installer, &man.bsdinstall.8;,
816 has been updated to include optional
817 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap
818 devices when installing onto a full &man.zfs.8; filesystem.
819 Additionally, the parent &man.zfs.8; dataset is now configured
820 with <literal>lz4</literal> compression enabled.</para>
822 <para revision="267113">The default &man.newsyslog.conf.5; now
823 includes files in the
824 <filename>/etc/newsyslog.conf.d/</filename> and
825 <filename>/usr/local/etc/newsyslog.conf.d/</filename>
826 directories by default for &man.newsyslog.8;.</para>
828 <para revision="267161">The &man.realpath.1; utility has been
829 updated to return <literal>ENOTDIR</literal> on paths
830 components <quote>.</quote> and <quote>..</quote> that are
831 not directories, such as <filename
832 class="directory">/dev/null/.</filename> or <filename
833 class="directory">/dev/null/..</filename>.</para>
835 <para revision="267236">A new flag, <quote>onifconsole</quote>
836 has been added to <filename>/etc/ttys</filename>. This allows
837 the system to provide a login prompt via serial console if the
838 device is an active kernel console, otherwise it is equivalent
839 to <literal>off</literal>.</para>
841 <para revision="267341">Support for legacy
842 <acronym>PCI</acronym> devices has been removed from
843 &man.bhyve.8;.</para>
845 <para revision="267450">The &man.bhyve.8; userland utility
846 has been updated to include SMBIOS support. A new flag has
847 been added, <literal>-U</literal>, which allows specifying the
848 UUID of the guest in the System Information structure.</para>
850 <para revision="267734">The &os; Project has migrated
851 from the <application>GNATS</application> bug tracking system
852 to <application>Bugzilla</application>. The &man.send-pr.1;
853 utility used for submitting problem reports has been replaced
854 with a stub shell script that instructs to use the Bugzilla
855 web interface.</para>
857 <para revision="267747">The &man.patch.1; utility has been
858 updated to include a <literal>--dry-run</literal> flag, which
859 is equivalent to <literal>--check</literal> and
860 <literal>-C</literal>.</para>
862 <para revision="267878">A bug in &man.bsdgrep.1; that would
863 prevent patterns from being matched under certain conditions
864 has been fixed.</para>
866 <para revision="267979">The &man.procstat.1; utility has been
867 updated to include two new flags, <literal>-r</literal> and
868 <literal>-H</literal>. When <literal>-r</literal> is
869 specified, &man.procstat.1; will print current resource usage
870 about the process(es). When <literal>-H</literal> is
871 specified, &man.procstat.1; will print information about
872 threads rather than the process(es).</para>
875 <para>The <literal>-H</literal> flag is currently only used
876 with <literal>-r</literal> to display resource usage for
877 individual threads, rather than the entire process.</para>
880 <para revision="268019">The &man.sed.1; utility has been
881 updated to include a new flag, <literal>-u</literal>, which
882 enables unbuffered output when specified.</para>
884 <para revision="268161">The &man.mkimg.1; utility has been
885 merged from &os;-CURRENT.</para>
887 <para revision="268700">The &man.camcontrol.8; has been updated
888 to include a new <literal>persist</literal> command, which
889 allows issuing <command>SCSI PERSISTENT RESERVE IN</command>
890 and <command>SCSI PERSISTENT RESERVE OUT</command>.</para>
892 <para revision="268791">The &man.gstat.8; utility has been
893 updated to include a new flag, <literal>-p</literal>, which
894 displays only physical providers when specified.</para>
896 <para revision="268903">The &man.kldstat.8; utility has been
897 updated to allow <literal>-q</literal> to be specified when
898 also specifying <literal>-n
899 <replaceable>module.ko</replaceable></literal>.</para>
901 <para revision="269177">The &man.mkimg.1; utility has been
902 updated to include support for both fixed- and
903 dynamically-allocated images for the <acronym>VHD</acronym>
904 and <acronym>VMDK</acronym> formats.</para>
906 <para revision="269220">The &man.random.4; entropy collection
907 script, <filename>/usr/libexec/save-entropy</filename>, no
908 longer runs within &man.jail.8; environments.</para>
910 <para revision="269397">The &man.bhyve.8; wrapper script,
911 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>,
912 has been synced with &os;-CURRENT.</para>
914 <para>This update includes:</para>
918 <para>A new flag, <literal>-e</literal>, has been added,
919 which is used to set &man.loader.8; environment
924 <para>A new flag, <literal>-C</literal>, has been added,
925 which is used to specify the guest console device.</para>
929 <para>A new flag, <literal>-H</literal>, has been added,
930 which is used to pass the host path to
931 &man.bhyveload.8;.</para>
935 <para>Support for multiple disk and &man.tap.4; devices
936 has been added.</para>
940 <para>The <literal>-I</literal> flag has been
945 <para revision="269398">The &man.nfsd.8; server update to 4.1
946 has merged from &os;-CURRENT.</para>
948 <para revision="269432" arch="ia64">The serial terminals
949 <filename>ttyu0</filename> and <filename>ttyu1</filename> have
950 been updated to <literal>onifconsole</literal> by default in
951 &man.ttys.5;, which either can be the serial console,
952 depending on the platform.</para>
954 <para revision="269800">The &man.ping6.8; utility has been
955 updated to reset <literal>itimer</literal> when the maximum
956 number of packets to send have been reached. This prevents
957 &man.ping6.8; from exiting when the interval in set to a small
958 value and a low number of packets to send has been
961 <para revision="269805">The &man.jail.8; utility has been
962 updated to support extra &man.ifconfig.8; arguments for the
963 <literal>ip4.addr</literal> and <literal>ip6.addr</literal>
964 parameters. This change allows &man.carp.4; interfaces to
965 be used within the &man.jail.8;.</para>
967 <para revision="269946">Support for generating and compiling
968 <acronym>USDT</acronym> <application>DTrace</application>
969 probes has been improved. <application>DTrace</application>
970 <acronym>USDT</acronym> files are now handled similar to
971 &man.lex.1; and &man.yacc.1; files, meaning support for
972 handling <application>D</application> files as part of the
973 build process is built into the <literal>SRCS</literal>
974 &man.make.1; environment variable.</para>
976 <para revision="269968">The &man.iscsictl.8; utility has been
977 updated to include a new flag, <literal>-M</literal>, which
978 allows modifying the <acronym>iSCSI</acronym> session
979 parameters without requiring the session to be removed and
982 <para revision="270043">The &man.mount.nfs.8; utility has been
983 updated to support specifying the NFS version as
984 a <literal>key=<replaceable>value</replaceable></literal> pair
985 argument to the <literal>-o</literal> flag. For example, to
986 specify NFS version 4, the syntax to use is
987 <literal>-o vers=4</literal>.</para>
989 <para revision="270401">Support for the <quote>account</quote>
990 facility has been added to the &man.pam.group.8;
993 <sect3 xml:id="rc-scripts">
994 <title><filename>/etc/rc.d</filename> Scripts</title>
996 <para revision="264438">The <filename>network.subr</filename>
997 &man.rc.8; script has been updated to loosen the requirement
998 of listing network aliases in numeric order. Previously,
1000 <literal>_alias<replaceable>2</replaceable></literal>
1001 would not be created if
1002 <literal>_alias<replaceable>1</replaceable></literal> was
1005 <para revision="268098">The &man.service.8; utility has been
1006 updated to check that the &man.rc.d.8; directory exists
1007 before traversing the directory.</para>
1011 <sect2 xml:id="contrib">
1012 <title>Contributed Software</title>
1014 <para revision="263285">The &man.xz.1; utility has been updated
1015 to a post-5.0.5 snapshot.</para>
1017 <para revision="264377"><application>OpenSSH</application> has
1018 been updated to version 6.6p1.</para>
1020 <para revision="264911">The &man.nc.1; utility has been updated
1021 to match the version in OpenBSD 5.5.</para>
1023 <para revision="266692"><application>Sendmail</application>
1024 has been updated to 8.14.9.</para>
1026 <para revision="267477">The timezone database has been updated
1027 to version tzdata2014e.</para>
1029 <para revision="268515">The &man.file.1; utility and
1030 &man.libmagic.3; library have been updated to 5.19.</para>
1032 <para revision="268899">The &man.byacc.1; parser has been
1033 updated to version 20140422.</para>
1035 <para revision="269024" contrib="sponsor"
1036 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
1037 been updated to the r202189 snapshot.</para>
1039 <para revision="269257">The &man.unbound.8; caching resolver and
1040 <literal>ldns</literal> have been updated to version
1043 <para revision="269686"><application>OpenSSL</application> has
1044 been updated to version 1.0.1i.</para>
1046 <para revision="269847">The <quote>lite</quote> version of
1047 <application>Subversion</application> included in the
1048 &os; base system and its dependencies have been
1053 <para><application>apr</application> has been
1054 updated to version 1.5.1.</para>
1058 <para><application>apr-util</application> has been
1059 updated to version 1.5.3.</para>
1063 <para><application>serf</application> has been
1064 updated to version 1.3.7.</para>
1068 <para><application>svnlite</application> has been
1069 updated to version 1.8.10.</para>
1073 <para revision="270026">The &man.nvi.1; editor has been
1074 update to version 2.1.2-c80f493b038.</para>
1076 <para revision="270031">The &man.fparseln.3; library has
1077 been updated to version 1.7.</para>
1079 <para revision="270415">The <application>lukemftpd</application>
1080 <acronym>FTP</acronym> server has been removed from the
1081 &os; base system.</para>
1084 <sect2 xml:id="ports">
1085 <title>Ports/Packages Collection Infrastructure</title>
1091 <sect2 xml:id="releng">
1092 <title>Release Engineering and Integration</title>
1094 <para revision="263028">The &man.services.mkdb.8; utility has
1095 been updated to include endianness awareness, allowing the
1096 <filename>services.db</filename> database to be created as
1097 part of the release build, regardless of native- or
1098 cross-built releases.</para>
1101 <sect2 xml:id="doc">
1102 <title>Documentation</title>
1109 <sect1 xml:id="upgrade">
1110 <title>Upgrading from Previous Releases of &os;</title>
1112 <para arch="amd64,i386">Binary upgrades between RELEASE versions
1113 (and snapshots of the various security branches) are supported
1114 using the &man.freebsd-update.8; utility. The binary upgrade
1115 procedure will update unmodified userland utilities, as well as
1116 unmodified GENERIC or SMP kernels distributed as a part of an
1117 official &os; release. The &man.freebsd-update.8; utility
1118 requires that the host being upgraded have Internet
1119 connectivity.</para>
1121 <para>Source-based upgrades (those based on recompiling the &os;
1122 base system from source code) from previous versions are
1123 supported, according to the instructions in
1124 <filename>/usr/src/UPDATING</filename>.</para>
1127 <para>Upgrading &os; should only be attempted after
1128 backing up <emphasis>all</emphasis> data and configuration