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> </para>
127
128 </sect2>
129
130 <sect2 xml:id="kernel">
131 <title>Kernel Changes</title>
132
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>
137
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>
143
144 <para revision="263122">Support for &man.hwpmc.4; has been added
145 for &powerpc; 970 class processors.</para>
146
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;
150 driver.</para>
151
152 <para revision="263256">A panic triggered by removing
153 a &man.urtwn.4; device has been fixed.</para>
154
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>
158
159 <para revision="263869">Support for &amd; Family 16h sensor
160 devices has been added to &man.amdtemp.4;.</para>
161
162 <para revision="265610">The &man.uslcom.4; driver has been
163 updated to support 26 new devices.</para>
164
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>
169
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>
173
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
177 system.</para>
178
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
183 fixed.</para>
184
185 <para revision="266911">The &man.hwpmc.4; driver has been
186 updated to support core events from the Atom™
187 Silvermont architecture.</para>
188
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>
192
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>
196
197 <para revision="271069">The &man.asmc.4; driver has been updated
198 to support the &apple; Mac Mini 3,1.</para>
199
200 <para revision="271111">The &os;/&arch.powerpc64; default kernel
201 configuration, <filename>GENERIC64</filename>, has been
202 updated to enable the &man.vt.4; console driver for the
203 Sony® Playstation 3™ platform.</para>
204
205 <para revision="271116" contrib="sponsor" sponsor="&ff;">The
206 &os;/&arch.powerpc; <literal>ofwfb</literal> driver, used to
207 provide a graphics console when the &man.vt.4; console driver
208 is used, has been modified to work with the <filename
209 role="package">x11-drivers/xf86-video-scfb</filename>
210 port.</para>
211
212 <note>
213 <para>If using an <acronym>ATI</acronym> graphics card with
214 the &man.vt.4; driver, the <filename
215 role="package">x11-servers/xorg-server</filename> package
216 must be updated to version 1.12.4_8 or newer.</para>
217 </note>
218
219 <para revision="271128" contrib="sponsor" sponsor="&ff;">Several
220 performance enchancements to the &man.vt.4; driver have been
221 merged from &os;-CURRENT.</para>
222
223 <para revision="271153">The default stack size
224 (<literal>KSTACK_PAGES</literal>) has been increased from
225 <literal>4</literal> to <literal>8</literal> for the
226 &arch.powerpc64; architecture.</para>
227
228 <para revision="271205">The &os;/&arch.powerpc; ATI driver
229 has been updated to support enabling and disabling the
230 Radeon 9700 backlight, found in the
231 &apple; PowerBook™ G4.</para>
232
233 <sect3 xml:id="kernel-virtualization">
234 <title>Virtualization Support</title>
235
236 <para revision="259450">Support for µsoft; Hyper-V
237 has been added to &os;/i386 as loadable modules, however
238 not available in the <filename>GENERIC</filename> kernel
239 configuration.</para>
240
241 <para revision="261090">The &man.bhyve.4; hypervisor now
242 supports soft power-off functionality via the ACPI S5
243 state.</para>
244
245 <para revision="267399">Support for &os;/i386 guests has been
246 added to &man.bhyve.4;.</para>
247
248 <para revision="267427">Support for virtualized
249 <literal>XSAVE</literal> has been added to &man.bhyve.4;,
250 allowing guest operating systems to use
251 <literal>XSAVE</literal> and
252 <literal>XSAVE</literal>-enabled features, such as
253 <acronym>AVX</acronym>.</para>
254
255 <para revision="268932">The &man.bhyve.4; hypervisor now
256 supports booting from a &man.zfs.8; filesystem.</para>
257
258 <para revision="268933">A new driver, &man.virtio_random.4;,
259 has been added, which allows &os; virtual machines to
260 harvest entropy from the hypervisor.</para>
261
262 <para revision="270159">The &man.bhyve.4; hypervisor has been
263 synced with the version in &os;-CURRENT.</para>
264
265 <para>A number of enhancements have been added, and several
266 bug fixes, including:</para>
267
268 <itemizedlist>
269 <listitem>
270 <para>Post-mortem debugging has been added when
271 a guest virtual machine exits with an
272 <quote><acronym>EPT</acronym> Misconfiguration</quote>
273 error.</para>
274 </listitem>
275
276 <listitem>
277 <para>The hypervisor &man.virtio.4; <acronym>API</acronym>
278 has been expanded from 32- to 64-bit.</para>
279 </listitem>
280
281 <listitem>
282 <para>Support for identifying capabilities of the virtual
283 <acronym>CPU</acronym> has been added.</para>
284 </listitem>
285
286 <listitem>
287 <para>Support for emulating legacy x86 task
288 switching has been added.</para>
289 </listitem>
290
291 <listitem>
292 <para>Support to list the VT-x features in base kernel
293 &man.dmesg.8; has been added.</para>
294 </listitem>
295
296 <listitem>
297 <para>Support for extended PCI configuration space
298 has been added.</para>
299 </listitem>
300 </itemizedlist>
301 </sect3>
302
303 <sect3 xml:id="kernel-arm">
304 <title>ARM Support</title>
305
306 <para revision="259355">The <filename>WANDBOARD</filename>
307 kernel configuration file has been added.</para>
308
309 <para revision="265067">Boot devices may now be specified by
310 setting a u-boot environment variable. If a boot device is
311 not specified, the probe mechanism will be used. To specify
312 the boot device, set the
313 <literal>loaderdev=<replaceable>device</replaceable></literal>
314 u-boot environment variable.</para>
315
316 <para revision="266000">The <literal>nexus(4)</literal> driver
317 has been updated to include <quote>Flattened Device
318 Tree</quote> support, replacing the &man.fdtbus.4; driver
319 in most cases.</para>
320
321 <para revision="266105">The &man.gpioiic.4; and
322 &man.gpioled.4; have been merged from &os;-CURRENT.</para>
323
324 <para>Support for hardware floating point was added to the
325 kernel, and enabled by default in the configuration files
326 for all platforms that contain the required hardware.</para>
327
328 <para><application>C++</application> exception handling now
329 works with <application>GCC</application>.</para>
330
331 <para>Support for <acronym>SMP</acronym> was added to the
332 kernel, and enabled by default in the configuration files
333 for all platforms that contain multi-core CPUs.</para>
334
335 <para>Support was added for:</para>
336
337 <itemizedlist>
338 <listitem>
339 <para>CHROMEBOOK (Samsung Exynos 5250)</para>
340 </listitem>
341
342 <listitem>
343 <para>COLIBRI (Freescale Vybrid)</para>
344 </listitem>
345
346 <listitem>
347 <para>COSMIC (Freescale Vybrid)</para>
348 </listitem>
349
350 <listitem>
351 <para>IMX53-QSB (Freescale i.MX53)</para>
352 </listitem>
353
354 <listitem>
355 <para>QUARTZ (Freescale Vybrid)</para>
356 </listitem>
357
358 <listitem>
359 <para>RADXA (Rockchip rk30xx)</para>
360 </listitem>
361
362 <listitem>
363 <para>WANDBOARD (Freescale i.MX6)</para>
364 </listitem>
365 </itemizedlist>
366
367 <para>An <acronym>I2C</acronym> driver was added for
368 the RaspberryPi.</para>
369
370 <para>Drivers have been added to support <acronym>TI</acronym>
371 platforms, such as BEAGLEBONE and PANDABOARD:</para>
372
373 <itemizedlist>
374 <listitem>
375 <para>PRUSS (Programmable Realtime Unit Subsystem)</para>
376 </listitem>
377
378 <listitem>
379 <para>MBOX (Mailbox hardware)</para>
380 </listitem>
381
382 <listitem>
383 <para>SDHCI (new faster driver for
384 <acronym>MMC</acronym>/<acronym>SD</acronym>
385 storage)</para>
386 </listitem>
387
388 <listitem>
389 <para>PPS (Pulse Per Second input on a
390 <acronym>GPIO</acronym>/timer pin)</para>
391 </listitem>
392
393 <listitem>
394 <para>PWM (Pulse Width Modulation output)</para>
395 </listitem>
396
397 <listitem>
398 <para>ADC (Analog to Digital converter)</para>
399 </listitem>
400 </itemizedlist>
401 </sect3>
402
403 <sect3 xml:id="boot">
404 <title>Boot Loader Changes</title>
405
406 <para revision="262701">A kernel selection menu has been added
407 to &man.loader.8;. If the <quote>beastie menu</quote> is
408 enabled, the kernel to boot may be selected from the kernel
409 selection menu. Additional kernels may be listed in
410 &man.loader.conf.5; as a comma- or space-separated list. By
411 default, <literal>kernel</literal> and
412 <literal>kernel.old</literal> are listed.</para>
413
414 <para revision="271130" contrib="sponsor" sponsor="&ff;">The
415 <filename class="directory">sys/boot/</filename> sources
416 have been rearranged, moving &man.libstand.3; to a directory
417 indicating the library is built as 32-bit.</para>
418
419 <para revision="271135" contrib="sponsor" sponsor="&ff;">The
420 &man.libstand.3; library has been updated to produce
421 a 64-bit shared library for the &os;/&arch.amd64; and
422 &os;/&arch.powerpc64; architectures.</para>
423
424 <para revision="271135" contrib="sponsor"
425 sponsor="&ff;">Initial support for <acronym>UEFI</acronym>
426 boot has been added.</para>
427
428 <para revision="271136" contrib="sponsor" sponsor="&ff;">Three
429 new files are installed to <filename
430 class="directory">/boot</filename>, supporting
431 <acronym>UEFI</acronym> boot:</para>
432
433 <itemizedlist>
434 <listitem>
435 <para><filename>boot1.efi</filename>: The
436 <acronym>UEFI</acronym> first stage bootstrap
437 file.</para>
438 </listitem>
439
440 <listitem>
441 <para><filename>boot1.efifat</filename>:
442 A <acronym>FAT</acronym> filesystem image containing
443 an <acronym>EFI</acronym> system partition.</para>
444 </listitem>
445
446 <listitem>
447 <para><filename>loader.efi</filename>: The third stage
448 bootstrap file.</para>
449 </listitem>
450 </itemizedlist>
451 </sect3>
452
453 <sect3 xml:id="proc">
454 <title>Hardware Support</title>
455
456 <para> </para>
457
458 <sect4 xml:id="mm">
459 <title>Multimedia Support</title>
460
461 <para> </para>
462
463 </sect4>
464
465 <sect4 xml:id="net-if">
466 <title>Network Interface Support</title>
467
468 <para revision="259453">Support for Ralink RT5370 and
469 RT5372 chipsets has been added to the &man.run.4;
470 driver.</para>
471
472 <para revision="260120">Firmware for the &man.run.4; driver
473 has been updated to version 0.33.</para>
474
475 <para revision="261868">Support for the Ralink RT3593
476 chipset has been added to the &man.run.4; driver.</para>
477
478 <para revision="261972">The &man.nve.4; driver is now
479 deprecated, and the &man.nfe.4; driver should be used
480 instead.</para>
481
482 <para revision="262137">Support for the &man.axge.4; driver
483 has been added. This driver supports the ASIX AX88178A
484 and AX88179 USB ethernet adapters. The AX88178A supports
485 USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
486
487 <para revision="262363">The &man.urndis.4; driver has been
488 imported from OpenBSD.</para>
489
490 <para revision="264866">Support for multiple
491 transmitter/receiver queues has been added to the
492 &man.vmx.4; driver.</para>
493
494 <note>
495 <para>The &os; guest operating system must have
496 <acronym>MSIX</acronym> enabled as a prerequisite for
497 multiple queues.</para>
498 </note>
499
500 <para revision="265345">Support for the ASUS USB-N10 Nano
501 wireless card has been added to the &man.urtwn.4;
502 driver.</para>
503
504 <para revision="266212">Transmission checksum offloading has
505 been disabled for the RTL8168C and RTL8168CP chipsets in
506 the &man.re.4; driver for TCP and UDP frames. This is
507 due to a report of UDP datagrams with IP options
508 generating corrupt frames.</para>
509
510 <para revision="266578">Preliminary support has been added
511 to the &man.urtwn.4; driver for the Realtek RTL8188EUS and
512 RTL8188ETV chipsets.</para>
513
514 <para revision="267694">A bug in the fast receiver buffer
515 recycle path has been fixed in the &man.cxgbe.4;
516 driver.</para>
517
518 <para revision="267849" contrib="vendor"
519 vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for
520 T4 and T5 cards has been updated to version
521 1.11.27.0.</para>
522
523 <para revision="269196">The &man.em.4; driver has been
524 updated to version 7.4.2.</para>
525
526 <para revision="269975">The &man.ixgbe.4; tunables have been
527 renamed to match their &man.sysctl.8; counterparts:</para>
528
529 <informaltable frame="none" pgwide="0">
530 <tgroup cols="2">
531 <colspec colwidth="1*"/>
532 <colspec colwidth="1*"/>
533 <thead>
534 <row>
535 <entry>Old Name</entry>
536 <entry>New Name</entry>
537 </row>
538 </thead>
539
540 <tbody>
541 <row>
542 <entry><literal>hw.ixgbe.enable_aim</literal></entry>
543 <entry><literal>hw.ix.enable_aim</literal></entry>
544 </row>
545
546 <row>
547 <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry>
548 <entry><literal>hw.ix.max_interrupt_rate</literal></entry>
549 </row>
550
551 <row>
552 <entry><literal>hw.ixgbe.rx_process_limit</literal></entry>
553 <entry><literal>hw.ix.rx_process_limit</literal></entry>
554 </row>
555
556 <row>
557 <entry><literal>hw.ixgbe.tx_process_limit</literal></entry>
558 <entry><literal>hw.ix.tx_process_limit</literal></entry>
559 </row>
560
561 <row>
562 <entry><literal>hw.ixgbe.enable_msix</literal></entry>
563 <entry><literal>hw.ix.enable_msix</literal></entry>
564 </row>
565
566 <row>
567 <entry><literal>hw.ixgbe.num_queues</literal></entry>
568 <entry><literal>hw.ix.num_queues</literal></entry>
569 </row>
570
571 <row>
572 <entry><literal>hw.ixgbe.txd</literal></entry>
573 <entry><literal>hw.ix.txd</literal></entry>
574 </row>
575
576 <row>
577 <entry><literal>hw.ixgbe.rxd</literal></entry>
578 <entry><literal>hw.ix.rxd</literal></entry>
579 </row>
580
581 <row>
582 <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry>
583 <entry><literal>hw.ix.unsupported_sfp</literal></entry>
584 </row>
585 </tbody>
586 </tgroup>
587 </informaltable>
588
589 <para>Be sure to update &man.loader.conf.5; if using the
590 old tunables before upgrading to
591 &os; &release.current;.</para>
592
593 <para revision="270061">The &man.if.nf10bmac.4; driver has
594 been merged from &os;-CURRENT to support the NetFPGA-10G
595 Embedded CPU Ethernet Core.</para>
596
597 <para revision="270297">The &man.cxgbe.4; driver has been
598 updated to support &man.netmap.4; for the T5 10G/40G
599 cards.</para>
600
601 <para revision="270509">The &man.vtnet.4; driver has been
602 updated to support &man.netmap.4;.</para>
603
604 <para revision="270514">The &man.urtwn.4; driver has been
605 updated to support the ASUS USB-AC51 wireless card.</para>
606
607 <para revision="270631">The &intel; XL710 ethernet
608 controller driver, <literal>ixlv(4)</literal>, has been
609 merged from &os;-CURRENT.</para>
610 </sect4>
611 </sect3>
612
613 <sect3 xml:id="net-proto">
614 <title>Network Protocols</title>
615
616 <para revision="265946">Support for the UDP-Lite protocol
617 (RFC 3828) has been added to the IPv4 and IPv6
618 stacks.</para>
619
620 <para revision="267771">A bug in &man.sctp.4; that would allow
621 two listening sockets bound to the same port has been
622 fixed.</para>
623
624 <para contrib="sponsor" sponsor="&ix;">Kernel RPC code, which
625 is a base of NFS server took multiple optimizations, that
626 significantly improved its performance and
627 <acronym>SMP</acronym> scapability.</para>
628
629 <para revision="269065" contrib="sponsor" sponsor="&ff;">The
630 <acronym>iSCSI</acronym> initiator has been updated to
631 support redirection handling when an
632 <acronym>iSCSI</acronym> device is configured with multiple
633 <acronym>IP</acronym> addresses across different network
634 interfaces. Previously, clients connecting to
635 such <acronym>iSCSI</acronym> devices could require
636 additional client-side configuration.</para>
637
638 <para revision="265523" contrib="sponsor" sponsor="&ff;">A new
639 &man.sysctl.8;,
640 <literal>kern.iscsi.fail_on_disconnection</literal>, has
641 been added, which allows <acronym>iSCSI</acronym> clients to
642 remove the attached disk device when the connection to the
643 target is dropped, where previously I/O would stop until the
644 connection is restored.</para>
645
646 <para revision="265524" contrib="sponsor" sponsor="&ff;">The
647 <acronym>iSCSI</acronym> transmit code has been optimized
648 to coalesce <acronym>PDUs</acronym> and avoid lock
649 contention.</para>
650
651 <para revision="265524" contrib="sponsor"
652 sponsor="&ix;">Several performance optimizations have been
653 made to the <acronym>iSCSI</acronym> subsystem, including
654 deferring wakeup until enough data has been received to
655 read or write a file, reducing <acronym>CPU</acronym> usage
656 and throughput performance with large I/O workloads.</para>
657
658 <para revision="263720" contrib="sponsor"
659 sponsor="&ff;">Support for hostname- and IP-based access
660 restriction has been added to the <acronym>iSCSI</acronym>
661 &man.ctld.8; daemon.</para>
| 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> </para>
127
128 </sect2>
129
130 <sect2 xml:id="kernel">
131 <title>Kernel Changes</title>
132
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>
137
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>
143
144 <para revision="263122">Support for &man.hwpmc.4; has been added
145 for &powerpc; 970 class processors.</para>
146
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;
150 driver.</para>
151
152 <para revision="263256">A panic triggered by removing
153 a &man.urtwn.4; device has been fixed.</para>
154
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>
158
159 <para revision="263869">Support for &amd; Family 16h sensor
160 devices has been added to &man.amdtemp.4;.</para>
161
162 <para revision="265610">The &man.uslcom.4; driver has been
163 updated to support 26 new devices.</para>
164
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>
169
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>
173
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
177 system.</para>
178
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
183 fixed.</para>
184
185 <para revision="266911">The &man.hwpmc.4; driver has been
186 updated to support core events from the Atom™
187 Silvermont architecture.</para>
188
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>
192
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>
196
197 <para revision="271069">The &man.asmc.4; driver has been updated
198 to support the &apple; Mac Mini 3,1.</para>
199
200 <para revision="271111">The &os;/&arch.powerpc64; default kernel
201 configuration, <filename>GENERIC64</filename>, has been
202 updated to enable the &man.vt.4; console driver for the
203 Sony® Playstation 3™ platform.</para>
204
205 <para revision="271116" contrib="sponsor" sponsor="&ff;">The
206 &os;/&arch.powerpc; <literal>ofwfb</literal> driver, used to
207 provide a graphics console when the &man.vt.4; console driver
208 is used, has been modified to work with the <filename
209 role="package">x11-drivers/xf86-video-scfb</filename>
210 port.</para>
211
212 <note>
213 <para>If using an <acronym>ATI</acronym> graphics card with
214 the &man.vt.4; driver, the <filename
215 role="package">x11-servers/xorg-server</filename> package
216 must be updated to version 1.12.4_8 or newer.</para>
217 </note>
218
219 <para revision="271128" contrib="sponsor" sponsor="&ff;">Several
220 performance enchancements to the &man.vt.4; driver have been
221 merged from &os;-CURRENT.</para>
222
223 <para revision="271153">The default stack size
224 (<literal>KSTACK_PAGES</literal>) has been increased from
225 <literal>4</literal> to <literal>8</literal> for the
226 &arch.powerpc64; architecture.</para>
227
228 <para revision="271205">The &os;/&arch.powerpc; ATI driver
229 has been updated to support enabling and disabling the
230 Radeon 9700 backlight, found in the
231 &apple; PowerBook™ G4.</para>
232
233 <sect3 xml:id="kernel-virtualization">
234 <title>Virtualization Support</title>
235
236 <para revision="259450">Support for µsoft; Hyper-V
237 has been added to &os;/i386 as loadable modules, however
238 not available in the <filename>GENERIC</filename> kernel
239 configuration.</para>
240
241 <para revision="261090">The &man.bhyve.4; hypervisor now
242 supports soft power-off functionality via the ACPI S5
243 state.</para>
244
245 <para revision="267399">Support for &os;/i386 guests has been
246 added to &man.bhyve.4;.</para>
247
248 <para revision="267427">Support for virtualized
249 <literal>XSAVE</literal> has been added to &man.bhyve.4;,
250 allowing guest operating systems to use
251 <literal>XSAVE</literal> and
252 <literal>XSAVE</literal>-enabled features, such as
253 <acronym>AVX</acronym>.</para>
254
255 <para revision="268932">The &man.bhyve.4; hypervisor now
256 supports booting from a &man.zfs.8; filesystem.</para>
257
258 <para revision="268933">A new driver, &man.virtio_random.4;,
259 has been added, which allows &os; virtual machines to
260 harvest entropy from the hypervisor.</para>
261
262 <para revision="270159">The &man.bhyve.4; hypervisor has been
263 synced with the version in &os;-CURRENT.</para>
264
265 <para>A number of enhancements have been added, and several
266 bug fixes, including:</para>
267
268 <itemizedlist>
269 <listitem>
270 <para>Post-mortem debugging has been added when
271 a guest virtual machine exits with an
272 <quote><acronym>EPT</acronym> Misconfiguration</quote>
273 error.</para>
274 </listitem>
275
276 <listitem>
277 <para>The hypervisor &man.virtio.4; <acronym>API</acronym>
278 has been expanded from 32- to 64-bit.</para>
279 </listitem>
280
281 <listitem>
282 <para>Support for identifying capabilities of the virtual
283 <acronym>CPU</acronym> has been added.</para>
284 </listitem>
285
286 <listitem>
287 <para>Support for emulating legacy x86 task
288 switching has been added.</para>
289 </listitem>
290
291 <listitem>
292 <para>Support to list the VT-x features in base kernel
293 &man.dmesg.8; has been added.</para>
294 </listitem>
295
296 <listitem>
297 <para>Support for extended PCI configuration space
298 has been added.</para>
299 </listitem>
300 </itemizedlist>
301 </sect3>
302
303 <sect3 xml:id="kernel-arm">
304 <title>ARM Support</title>
305
306 <para revision="259355">The <filename>WANDBOARD</filename>
307 kernel configuration file has been added.</para>
308
309 <para revision="265067">Boot devices may now be specified by
310 setting a u-boot environment variable. If a boot device is
311 not specified, the probe mechanism will be used. To specify
312 the boot device, set the
313 <literal>loaderdev=<replaceable>device</replaceable></literal>
314 u-boot environment variable.</para>
315
316 <para revision="266000">The <literal>nexus(4)</literal> driver
317 has been updated to include <quote>Flattened Device
318 Tree</quote> support, replacing the &man.fdtbus.4; driver
319 in most cases.</para>
320
321 <para revision="266105">The &man.gpioiic.4; and
322 &man.gpioled.4; have been merged from &os;-CURRENT.</para>
323
324 <para>Support for hardware floating point was added to the
325 kernel, and enabled by default in the configuration files
326 for all platforms that contain the required hardware.</para>
327
328 <para><application>C++</application> exception handling now
329 works with <application>GCC</application>.</para>
330
331 <para>Support for <acronym>SMP</acronym> was added to the
332 kernel, and enabled by default in the configuration files
333 for all platforms that contain multi-core CPUs.</para>
334
335 <para>Support was added for:</para>
336
337 <itemizedlist>
338 <listitem>
339 <para>CHROMEBOOK (Samsung Exynos 5250)</para>
340 </listitem>
341
342 <listitem>
343 <para>COLIBRI (Freescale Vybrid)</para>
344 </listitem>
345
346 <listitem>
347 <para>COSMIC (Freescale Vybrid)</para>
348 </listitem>
349
350 <listitem>
351 <para>IMX53-QSB (Freescale i.MX53)</para>
352 </listitem>
353
354 <listitem>
355 <para>QUARTZ (Freescale Vybrid)</para>
356 </listitem>
357
358 <listitem>
359 <para>RADXA (Rockchip rk30xx)</para>
360 </listitem>
361
362 <listitem>
363 <para>WANDBOARD (Freescale i.MX6)</para>
364 </listitem>
365 </itemizedlist>
366
367 <para>An <acronym>I2C</acronym> driver was added for
368 the RaspberryPi.</para>
369
370 <para>Drivers have been added to support <acronym>TI</acronym>
371 platforms, such as BEAGLEBONE and PANDABOARD:</para>
372
373 <itemizedlist>
374 <listitem>
375 <para>PRUSS (Programmable Realtime Unit Subsystem)</para>
376 </listitem>
377
378 <listitem>
379 <para>MBOX (Mailbox hardware)</para>
380 </listitem>
381
382 <listitem>
383 <para>SDHCI (new faster driver for
384 <acronym>MMC</acronym>/<acronym>SD</acronym>
385 storage)</para>
386 </listitem>
387
388 <listitem>
389 <para>PPS (Pulse Per Second input on a
390 <acronym>GPIO</acronym>/timer pin)</para>
391 </listitem>
392
393 <listitem>
394 <para>PWM (Pulse Width Modulation output)</para>
395 </listitem>
396
397 <listitem>
398 <para>ADC (Analog to Digital converter)</para>
399 </listitem>
400 </itemizedlist>
401 </sect3>
402
403 <sect3 xml:id="boot">
404 <title>Boot Loader Changes</title>
405
406 <para revision="262701">A kernel selection menu has been added
407 to &man.loader.8;. If the <quote>beastie menu</quote> is
408 enabled, the kernel to boot may be selected from the kernel
409 selection menu. Additional kernels may be listed in
410 &man.loader.conf.5; as a comma- or space-separated list. By
411 default, <literal>kernel</literal> and
412 <literal>kernel.old</literal> are listed.</para>
413
414 <para revision="271130" contrib="sponsor" sponsor="&ff;">The
415 <filename class="directory">sys/boot/</filename> sources
416 have been rearranged, moving &man.libstand.3; to a directory
417 indicating the library is built as 32-bit.</para>
418
419 <para revision="271135" contrib="sponsor" sponsor="&ff;">The
420 &man.libstand.3; library has been updated to produce
421 a 64-bit shared library for the &os;/&arch.amd64; and
422 &os;/&arch.powerpc64; architectures.</para>
423
424 <para revision="271135" contrib="sponsor"
425 sponsor="&ff;">Initial support for <acronym>UEFI</acronym>
426 boot has been added.</para>
427
428 <para revision="271136" contrib="sponsor" sponsor="&ff;">Three
429 new files are installed to <filename
430 class="directory">/boot</filename>, supporting
431 <acronym>UEFI</acronym> boot:</para>
432
433 <itemizedlist>
434 <listitem>
435 <para><filename>boot1.efi</filename>: The
436 <acronym>UEFI</acronym> first stage bootstrap
437 file.</para>
438 </listitem>
439
440 <listitem>
441 <para><filename>boot1.efifat</filename>:
442 A <acronym>FAT</acronym> filesystem image containing
443 an <acronym>EFI</acronym> system partition.</para>
444 </listitem>
445
446 <listitem>
447 <para><filename>loader.efi</filename>: The third stage
448 bootstrap file.</para>
449 </listitem>
450 </itemizedlist>
451 </sect3>
452
453 <sect3 xml:id="proc">
454 <title>Hardware Support</title>
455
456 <para> </para>
457
458 <sect4 xml:id="mm">
459 <title>Multimedia Support</title>
460
461 <para> </para>
462
463 </sect4>
464
465 <sect4 xml:id="net-if">
466 <title>Network Interface Support</title>
467
468 <para revision="259453">Support for Ralink RT5370 and
469 RT5372 chipsets has been added to the &man.run.4;
470 driver.</para>
471
472 <para revision="260120">Firmware for the &man.run.4; driver
473 has been updated to version 0.33.</para>
474
475 <para revision="261868">Support for the Ralink RT3593
476 chipset has been added to the &man.run.4; driver.</para>
477
478 <para revision="261972">The &man.nve.4; driver is now
479 deprecated, and the &man.nfe.4; driver should be used
480 instead.</para>
481
482 <para revision="262137">Support for the &man.axge.4; driver
483 has been added. This driver supports the ASIX AX88178A
484 and AX88179 USB ethernet adapters. The AX88178A supports
485 USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
486
487 <para revision="262363">The &man.urndis.4; driver has been
488 imported from OpenBSD.</para>
489
490 <para revision="264866">Support for multiple
491 transmitter/receiver queues has been added to the
492 &man.vmx.4; driver.</para>
493
494 <note>
495 <para>The &os; guest operating system must have
496 <acronym>MSIX</acronym> enabled as a prerequisite for
497 multiple queues.</para>
498 </note>
499
500 <para revision="265345">Support for the ASUS USB-N10 Nano
501 wireless card has been added to the &man.urtwn.4;
502 driver.</para>
503
504 <para revision="266212">Transmission checksum offloading has
505 been disabled for the RTL8168C and RTL8168CP chipsets in
506 the &man.re.4; driver for TCP and UDP frames. This is
507 due to a report of UDP datagrams with IP options
508 generating corrupt frames.</para>
509
510 <para revision="266578">Preliminary support has been added
511 to the &man.urtwn.4; driver for the Realtek RTL8188EUS and
512 RTL8188ETV chipsets.</para>
513
514 <para revision="267694">A bug in the fast receiver buffer
515 recycle path has been fixed in the &man.cxgbe.4;
516 driver.</para>
517
518 <para revision="267849" contrib="vendor"
519 vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for
520 T4 and T5 cards has been updated to version
521 1.11.27.0.</para>
522
523 <para revision="269196">The &man.em.4; driver has been
524 updated to version 7.4.2.</para>
525
526 <para revision="269975">The &man.ixgbe.4; tunables have been
527 renamed to match their &man.sysctl.8; counterparts:</para>
528
529 <informaltable frame="none" pgwide="0">
530 <tgroup cols="2">
531 <colspec colwidth="1*"/>
532 <colspec colwidth="1*"/>
533 <thead>
534 <row>
535 <entry>Old Name</entry>
536 <entry>New Name</entry>
537 </row>
538 </thead>
539
540 <tbody>
541 <row>
542 <entry><literal>hw.ixgbe.enable_aim</literal></entry>
543 <entry><literal>hw.ix.enable_aim</literal></entry>
544 </row>
545
546 <row>
547 <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry>
548 <entry><literal>hw.ix.max_interrupt_rate</literal></entry>
549 </row>
550
551 <row>
552 <entry><literal>hw.ixgbe.rx_process_limit</literal></entry>
553 <entry><literal>hw.ix.rx_process_limit</literal></entry>
554 </row>
555
556 <row>
557 <entry><literal>hw.ixgbe.tx_process_limit</literal></entry>
558 <entry><literal>hw.ix.tx_process_limit</literal></entry>
559 </row>
560
561 <row>
562 <entry><literal>hw.ixgbe.enable_msix</literal></entry>
563 <entry><literal>hw.ix.enable_msix</literal></entry>
564 </row>
565
566 <row>
567 <entry><literal>hw.ixgbe.num_queues</literal></entry>
568 <entry><literal>hw.ix.num_queues</literal></entry>
569 </row>
570
571 <row>
572 <entry><literal>hw.ixgbe.txd</literal></entry>
573 <entry><literal>hw.ix.txd</literal></entry>
574 </row>
575
576 <row>
577 <entry><literal>hw.ixgbe.rxd</literal></entry>
578 <entry><literal>hw.ix.rxd</literal></entry>
579 </row>
580
581 <row>
582 <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry>
583 <entry><literal>hw.ix.unsupported_sfp</literal></entry>
584 </row>
585 </tbody>
586 </tgroup>
587 </informaltable>
588
589 <para>Be sure to update &man.loader.conf.5; if using the
590 old tunables before upgrading to
591 &os; &release.current;.</para>
592
593 <para revision="270061">The &man.if.nf10bmac.4; driver has
594 been merged from &os;-CURRENT to support the NetFPGA-10G
595 Embedded CPU Ethernet Core.</para>
596
597 <para revision="270297">The &man.cxgbe.4; driver has been
598 updated to support &man.netmap.4; for the T5 10G/40G
599 cards.</para>
600
601 <para revision="270509">The &man.vtnet.4; driver has been
602 updated to support &man.netmap.4;.</para>
603
604 <para revision="270514">The &man.urtwn.4; driver has been
605 updated to support the ASUS USB-AC51 wireless card.</para>
606
607 <para revision="270631">The &intel; XL710 ethernet
608 controller driver, <literal>ixlv(4)</literal>, has been
609 merged from &os;-CURRENT.</para>
610 </sect4>
611 </sect3>
612
613 <sect3 xml:id="net-proto">
614 <title>Network Protocols</title>
615
616 <para revision="265946">Support for the UDP-Lite protocol
617 (RFC 3828) has been added to the IPv4 and IPv6
618 stacks.</para>
619
620 <para revision="267771">A bug in &man.sctp.4; that would allow
621 two listening sockets bound to the same port has been
622 fixed.</para>
623
624 <para contrib="sponsor" sponsor="&ix;">Kernel RPC code, which
625 is a base of NFS server took multiple optimizations, that
626 significantly improved its performance and
627 <acronym>SMP</acronym> scapability.</para>
628
629 <para revision="269065" contrib="sponsor" sponsor="&ff;">The
630 <acronym>iSCSI</acronym> initiator has been updated to
631 support redirection handling when an
632 <acronym>iSCSI</acronym> device is configured with multiple
633 <acronym>IP</acronym> addresses across different network
634 interfaces. Previously, clients connecting to
635 such <acronym>iSCSI</acronym> devices could require
636 additional client-side configuration.</para>
637
638 <para revision="265523" contrib="sponsor" sponsor="&ff;">A new
639 &man.sysctl.8;,
640 <literal>kern.iscsi.fail_on_disconnection</literal>, has
641 been added, which allows <acronym>iSCSI</acronym> clients to
642 remove the attached disk device when the connection to the
643 target is dropped, where previously I/O would stop until the
644 connection is restored.</para>
645
646 <para revision="265524" contrib="sponsor" sponsor="&ff;">The
647 <acronym>iSCSI</acronym> transmit code has been optimized
648 to coalesce <acronym>PDUs</acronym> and avoid lock
649 contention.</para>
650
651 <para revision="265524" contrib="sponsor"
652 sponsor="&ix;">Several performance optimizations have been
653 made to the <acronym>iSCSI</acronym> subsystem, including
654 deferring wakeup until enough data has been received to
655 read or write a file, reducing <acronym>CPU</acronym> usage
656 and throughput performance with large I/O workloads.</para>
657
658 <para revision="263720" contrib="sponsor"
659 sponsor="&ff;">Support for hostname- and IP-based access
660 restriction has been added to the <acronym>iSCSI</acronym>
661 &man.ctld.8; daemon.</para>
|
662 </sect3>
663
664 <sect3 xml:id="disks">
665 <title>Disks and Storage</title>
666
667 <para revision="260385" contrib="sponsor" sponsor="&ix;">The
668 &man.geom.4; subsystem has been updated to support I/O
669 direct dispatch. When safety requirements are met, it
670 enables avoiding passing I/O requests to GEOM
671 <literal>g_up</literal>/<literal>g_down</literal> thread,
672 executing them directly in the caller context, avoiding
673 CPU bottlenecks in
674 <literal>g_up</literal>/<literal>g_down</literal> threads,
675 plus avoid several context switches per I/O.</para>
676
677 <para revision="260385" contrib="sponsor" sponsor="&ix;">The
678 &man.geom.4; RAID driver has been
679 updated to support unmapped I/O.</para>
680
681 <para revision="260387" contrib="sponsor" sponsor="&ix;">The
682 &man.cam.4; subsystem has been updated to support
683 finer-grained locking, direct dispatch and multi-queue,
684 which combined with &man.geom.4; direct dispatch, reduces
685 lock congestion and improves <acronym>SMP</acronym>
686 scalability of the SCSI/ATA stack.</para>
687
688 <para revision="260478">The &man.geom.8;
689 <literal>GEOM_MULTIPATH</literal> class has been updated to
690 support automatic live partition resizing.</para>
691
692 <para revision="260857">The &man.virtio_blk.4; driver has been
693 updated to support unmapped I/O.</para>
694
695 <para revision="260858">The &man.virtio_scsi.4; driver has
696 been updated to support unmapped I/O.</para>
697
698 <para revision="264522">Support for LUN-based CD changers has
699 been removed from the &man.cd.4; driver.</para>
700
701 <para revision="264732">Support for
702 <literal>BIO_DELETE</literal> has been added to &man.zfs.8;
703 <literal>zvol</literal> volumes.</para>
704
705 <para revision="264734">Support for 9th generation HP host bus
706 adapter cards has been added to &man.ciss.4;.</para>
707
708 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
709 &man.mpr.4; device has been added,
710 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
711 controllers.</para>
712
713 <para revision="265678">A new <literal>zvol</literal> property
714 <literal>volmode</literal> and &man.sysctl.8;
715 <literal>vfs.zfs.vol.mode</literal> has been added to allow
716 switching <literal>zvol</literal> between three different
717 ways of exposing it to a user: <literal>geom</literal>,
718 <literal>dev</literal> and <literal>none</literal>.</para>
719
720 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
721 &man.mrsas.4; driver has been added, providing support for
722 LSI MegaRAID SAS controllers. The &man.mfi.4; driver will
723 attach to the controller, by default. To enable
724 &man.mrsas.4; add <literal>hw.mfi.mrsas_enable=1</literal>
725 to <filename>/boot/loader.conf</filename>, which turns off
726 &man.mfi.4; device probing.</para>
727
728 <note>
729 <para>At this time, the &man.mfiutil.8; utility and the &os;
730 version of <application>MegaCLI</application> and
731 <application>StorCli</application> do not work with
732 &man.mrsas.4;.</para>
733 </note>
734
735 <para revision="266608">Fixed accounting of
736 <literal>BIO_FLUSH</literal> operation in &man.geom.8;
737 <literal>GEOM_DISK</literal> class</para>
738
739 <para revision="266610">The &man.gstat.8; utility now has an
740 <literal>-o</literal> option, to display
741 <quote>other</quote> operations, such as
742 <literal>BIO_FLUSH</literal>.</para>
743
744 <para revision="267084">The &man.mfi.4; driver has been
745 updated to include support for unmapped I/O.</para>
746
747 <para revision="267457">The &man.hpt27xx.4; driver has been
748 updated with various vendor-supplied bug fixes.</para>
749
750 <para revision="270130" contrib="sponsor"
751 sponsor="&citrix.rd;">Support for unmapped I/O has been
752 added to the &man.xen.4; <literal>blkfront</literal>
753 driver.</para>
754
755 <para revision="259328" contrib="sponsor" sponsor="&ff;">The
756 &man.geom.8; <literal>label</literal> class is now aware of
757 resized partitions. This corrects an issue where
758 <command>geom resize</command> would resize the partition,
759 but the label provider in <filename
760 class="directory">/dev/gptid/</filename> would not be
761 resized.</para>
762
763 <para revision="260502">The &man.gmirror.8;
764 utility now has a <literal>resize</literal> command, making
765 it easier to resize the size of a mirror when all of its
766 components have been replaced.</para>
767
768 <para revision="262967">Support for MegaRAID Fury cards has
769 been added to the &man.mfi.4; driver.</para>
770
771 <para revision="263024">The &man.aacraid.4; driver has been
772 updated to version 3.2.5.</para>
773
774 <para revision="265536">The <literal>GEOM_VINUM</literal>
775 option is now able to be built both directly into the kernel
776 or as a &man.kldload.8; loadable module.</para>
777
778 <para revision="265912">The &man.geom.8;
779 <literal>GEOM_PART</literal> class has been updated to
780 support automatic partition resizing. Changes to the
781 partition size are not saved to disk until
782 <command>gpart commit</command> is run, and prior to saving,
783 can be reverted with <command>gpart undo</command>.</para>
784
785 <para revision="266220">The &man.geom.uncompress.4; module is
786 built by default which, similar to &man.geom.uzip.4;,
787 provides support for compressed, read-only disk
788 images.</para>
789
790 <para revision="268091">Support for the
791 <literal>disklabel64</literal> partitioning scheme has been
792 added to &man.gpart.8;.</para>
793
794 <para revision="270552">A new &man.sysctl.8; and
795 &man.loader.8; tunable,
796 <literal>kern.geom.part.mbr.enforce_chs</literal> has been
797 added to the &man.geom.8; <literal>MBR</literal> partition
798 class. When set to a non-zero value,
799 <literal>GEOM_PART_MBR</literal> will automatically
800 recalculate the user-specified offset and size for alignment
801 with the disk geometry.</para>
802
803 <para contrib="sponsor" sponsor="&ix;">Many improvements to
804 the CAM Target Layer (CTL):</para>
805 <itemizedlist>
806 <listitem>
807 <para>Support for <literal>UNMAP</literal>, <literal>WRITE
808 SAME</literal>, <literal>COMPARE AND WRITE</literal>,
809 <literal>XCOPY</literal> and some other SCSI commands
810 was added to support VMWare VAAI and Microsoft ODX
811 storage acceleration.</para>
812 </listitem>
813 <listitem>
814 <para revision="265642">The
815 <literal>READ</literal>/<literal>WRITE</literal> size
816 limitations were removed by supporting multiple
817 data moves per command.</para>
818 </listitem>
819 <listitem>
820 <para revision="268556">Finer-grained per-LUN locking and
821 multiple worker threads for better
822 <acronym>SMP</acronym> scapability.</para>
823 </listitem>
824 <listitem>
825 <para revision="269297">Memory consumption reduced by
826 several times by disabling some never used
827 functionality.</para>
828 </listitem>
829 <listitem>
830 <para revision="269298">The maximum number of
831 <acronym>SCSI</acronym> ports increased from 32 to
832 128</para>
833 </listitem>
834 <listitem>
835 <para revision="269429">Improved <literal>zvol</literal>
836 integration for better performance.</para>
837 </listitem>
838 </itemizedlist>
839
840 <para revision="270810" contrib="vendor"
841 vendor="&highpoint;">The &man.hptnr.4; driver has been
842 updated to version 1.0.1.</para>
843
844 <para revision="271234">The &man.mrsas.4; driver has been
845 added to the <filename>GENERIC</filename> kernel
846 configuration on &arch.amd64; and &arch.i386;
847 architectures.</para>
848 </sect3>
849
850 <sect3 xml:id="fs">
851 <title>File Systems</title>
852
853 <para revision="260338">The
854 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has
855 been re-enabled. On multi-CPU machines with enough RAM,
856 this can easily double &man.zfs.8; performance or reduce CPU
857 usage in half. It was originally disabled due to memory and
858 <acronym>KVA</acronym> exhaustion problem reports, which
859 should be resolved due to several change in the VM
860 subsystem.</para>
861
862 <para revision="260178" contrib="vendor"
863 vendor="&netflix;">A new flag, <literal>-R</literal>,
864 has been added to the &man.fsck.ffs.8; utility. When used,
865 &man.fsck.ffs.8; will restart itself when too many critical
866 errors have been detected.</para>
867
868 <para revision="263407">The &man.zfs.8; filesystem has been
869 updated to implement <quote>bookmarks</quote>. See
870 &man.zfs.8; for further details.</para>
871
872 <para revision="266122">The &man.zfs.8; filesystem has been
873 updated to allow tuning the minimum <quote>ashift</quote>
874 value when creating new top-level virtual devices (vdevs).
875 To set the minimum ashift value, for example when creating
876 a &man.zpool.8; on <quote>Advanced Format</quote> drives,
877 set the <literal>vfs.zfs.min_auto_ashift</literal>
878 &man.sysctl.8; accordingly.</para>
879
880 <para revision="266612">The <literal>libzfs</literal> thread
881 pool <acronym>API</acronym> has been imported from
882 OpenSolaris, and adapted for &os;. This change allows
883 parallel disk scanning, which can reduce &man.zpool.8;
884 overall import time in some workloads.</para>
885
886 <para revision="269651">The &man.restore.8; utility has been
887 updated to prevent assertion failures when restoring
888 a <acronym>UFS</acronym> filesystem dump to
889 a <acronym>ZFS</acronym> filesystem by writing restored
890 files in block sizes that are a multiple of 1024.</para>
891
892 <para revision="269774">Two &man.sysctl.8;s have been added
893 to the &man.zfs.8; filesystem:</para>
894
895 <itemizedlist>
896 <listitem>
897 <para>
898 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The
899 percentage of the metaslab group size that should be
900 considered eligible for allocation, unless all metaslab
901 groups within the metaslab class have also crossed this
902 threshold.</para>
903 </listitem>
904
905 <listitem>
906 <para>
907 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The
908 maximum percentage of metaslab fragmentation level to
909 keep their active state</para>
910 </listitem>
911 </itemizedlist>
912
913 <para revision="269846">The default &man.zfs.8;
914 <acronym>ARC</acronym> hash table size has been increased,
915 and a new &man.loader.8; tunable,
916 <literal>vfs.zfs.arc_average_blocksize</literal>, has been
917 added. Previously, the hash table could be too small, which
918 would lead to long hash chains and limit performance for
919 cached reads. The
920 <literal>vfs.zfs.arc_average_blocksize</literal> tunable
921 allows overriding the default block size. The previous
922 default was 65536, and default of the new &man.loader.8;
923 tunable is 8192.</para>
924
925 <para revision="270157">The Fast File System
926 (<acronym>FFS</acronym>) has been updated to support
927 multi-threaded soft updates. Previously, soft updates were
928 handled by a single thread, and as of this change, now have
929 one thread per <acronym>FFS</acronym> mountpoint.</para>
930
931 <para revision="270892" contrib="sponsor" sponsor="&ff;">The
932 new filesystem automount facility, &man.autofs.5;, has been
933 merged from &os;-CURRENT. The new &man.autofs.5; facility
934 is similar to that found in other &unix;-like operating
935 systems, such as OS X™ and Solaris™. The
936 &man.autofs.5; facility uses a &sun;-compatible
937 &man.auto.master.5; configuration file, and is administered
938 with the &man.automount.8; userland utility, and the
939 &man.automountd.8; and &man.autounmountd.8; daemons.</para>
940 </sect3>
941 </sect2>
942
943 <sect2 xml:id="userland">
944 <title>Userland Changes</title>
945
946 <para revision="260177" contrib="sponsor"
947 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
948 <literal>-b</literal>, which outputs the existing buses and
949 their parents.</para>
950
951 <para revision="262075">The &man.newsyslog.8; utility has been
952 updated to rotate files based on the actual file size instead
953 of the blocks on disk. This matches the behavior documented
954 in &man.newsyslog.conf.5;.</para>
955
956 <para revision="262384">The location of the &man.rctl.8;
957 configuration file can now be overridden in &man.rc.conf.5;.
958 To use a non-default location, set
959 <literal>rctl_rules</literal> in &man.rc.conf.5; to the
960 location of the file.</para>
961
962 <para revision="262855">The <application>ATF</application> test
963 suite has been updated to version 0.20. The test suite is
964 disabled by default in &os; 10.1, and can be enabled by
965 adding <literal>WITH_TESTS=yes</literal> to
966 &man.src.conf.5;.</para>
967
968 <para revision="263019">The <literal>libucl</literal> library
969 (Unified Configuration Library) has been merged from
970 &os;-CURRENT.</para>
971
972 <para revision="263020">The &man.pkg.7; bootstrapping utility
973 has been synced with the version in &os;-CURRENT.</para>
974
975 <para revision="263403">The &man.zfs.8; userland utility has
976 been updated to include aliases for
977 <command>snapshot</command>, which allows use of <command>zfs
978 list -t snap</command> and <command>zfs
979 snap</command>.</para>
980
981 <para revision="263405">The &man.zfs.8; userland utility has
982 been updated to include a new flag to <command>zfs
983 list</command>, <literal>-p</literal>, which when specified,
984 prints the output in a parsable format.</para>
985
986 <para revision="263783">The Blowfish password format
987 implementation updated. Support for $2b$ has
988 been added, allowing use of passwords greater than 256
989 characters long.</para>
990
991 <para revision="264497">The &man.iconv.3; library has been
992 updated to match NetBSD, providing several bug fixes.</para>
993
994 <para revision="265265">The &man.date.1; utility has been
995 updated to include a new flag, <literal>-R</literal>, which
996 prints the date and time output as specified in RFC
997 2822.</para>
998
999 <para revision="265533">The &man.bc.1; utility has been updated
1000 to version 1.1, in sync with the version in OpenBSD.</para>
1001
1002 <para revision="265604" contrib="vendor"
1003 vendor="&netflix;">The &man.pmcstat.8; utility has been
1004 updated to include a new flag, <literal>-a</literal>, which
1005 when specified, produces a full stack track on the sampled
1006 points.</para>
1007
1008 <para revision="265701">The &man.netstat.8; and &man.route.8;
1009 utilities have been updated to include a shorthand equivalent
1010 to the <literal>-f inet</literal> and <literal>-f
1011 inet6</literal> address specifiers, <literal>-4</literal>
1012 and <literal>-6</literal>, respectively.</para>
1013
1014 <para revision="265879">The &man.crypt.3; library now defaults
1015 to SHA512 for password hashing.</para>
1016
1017 <para revision="266014">The &man.gvinum.8; utility has been
1018 updated to allow forceful configuration reset with the
1019 <literal>-f</literal> flag. Additionally, a bug that would
1020 prevent <literal>-f</literal> from properly creating
1021 a &man.gvinum.8; configuration has been fixed.</para>
1022
1023 <para revision="266029">The &man.login.conf.5; file now takes
1024 precedence over the shell-specific environment files. In
1025 particular, the <literal>PATH</literal>,
1026 <literal>BLOCKSIZE</literal> variables are commented from
1027 <filename>/usr/share/skel/dot.profile</filename>, and the
1028 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and
1029 <literal>umask</literal> variables have been commented from
1030 <filename>/usr/share/skel/dot.cshrc</filename>.</para>
1031
1032 <para revision="266272">The &man.binmiscctl.8; userland utility
1033 and related image activator features have been merged from
1034 &os;-CURRENT.</para>
1035
1036 <para revision="266279">The &man.ps.1; utility has been
1037 updated to include the <literal>-J</literal> flag, used to
1038 filter output by matching &man.jail.8; IDs and names.
1039 Additionally, argument <literal>0</literal> can be used to
1040 <literal>-J</literal> to only list processes running on the
1041 host system.</para>
1042
1043 <para revision="266280">The &man.top.1; utility has been updated
1044 to filter by &man.jail.8; ID or name, in followup to the
1045 &man.ps.1; change in <literal>r265229</literal>.</para>
1046
1047 <para revision="266610">The &man.gstat.8; utility has been
1048 updated to include a new flag, <literal>-o</literal>. When
1049 set, &man.gstat.8; will display statistics for operations
1050 such as <literal>BIO_FLUSH</literal>.</para>
1051
1052 <para revision="266632">The &man.fetch.3; library has been
1053 updated to look for root <acronym>SSL</acronym> certificates
1054 in <filename class="directory">/usr/local/etc/ssl/</filename>
1055 before <filename
1056 class="directory">/etc/ssl/</filename>.</para>
1057
1058 <para revision="266715">The &man.clang.1;/llvm suite has been
1059 updated to version 3.4.1.</para>
1060
1061 <para revision="266816">The Blowfish password format
1062 has been changed to $2b$ by default.</para>
1063
1064 <para revision="266888">The amount of data collected for
1065 &man.hwpmc.4; has been updated to work with modern processors
1066 and larger amounts of available memory.</para>
1067
1068 <para revision="266890">The &man.pmcstat.8; utility has been
1069 updated to include a new flag, <literal>-l</literal>, which
1070 ends event collection after the specified number of
1071 seconds.</para>
1072
1073 <para revision="266953">The &man.mergemaster.8; utility has
1074 been updated to avoid printing
1075 <quote><filename>/var/tmp/temproot</filename>
1076 disappeared</quote> if there is nothing to compare.</para>
1077
1078 <para revision="267056">The &os; installer, &man.bsdinstall.8;,
1079 has been updated to include optional
1080 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap
1081 devices when installing onto a full &man.zfs.8; filesystem.
1082 Additionally, the parent &man.zfs.8; dataset is now configured
1083 with <literal>lz4</literal> compression enabled.</para>
1084
1085 <para revision="267113">The default &man.newsyslog.conf.5; now
1086 includes files in the
1087 <filename>/etc/newsyslog.conf.d/</filename> and
1088 <filename>/usr/local/etc/newsyslog.conf.d/</filename>
1089 directories by default for &man.newsyslog.8;.</para>
1090
1091 <para revision="267161">The &man.realpath.1; utility has been
1092 updated to return <literal>ENOTDIR</literal> on paths
1093 components <quote>.</quote> and <quote>..</quote> that are
1094 not directories, such as <filename
1095 class="directory">/dev/null/.</filename> or <filename
1096 class="directory">/dev/null/..</filename>.</para>
1097
1098 <para revision="267236">A new flag, <quote>onifconsole</quote>
1099 has been added to <filename>/etc/ttys</filename>. This allows
1100 the system to provide a login prompt via serial console if the
1101 device is an active kernel console, otherwise it is equivalent
1102 to <literal>off</literal>.</para>
1103
1104 <para revision="267341">Support for legacy
1105 <acronym>PCI</acronym> devices has been removed from
1106 &man.bhyve.8;.</para>
1107
1108 <para revision="267450">The &man.bhyve.8; userland utility
1109 has been updated to include SMBIOS support. A new flag has
1110 been added, <literal>-U</literal>, which allows specifying the
1111 UUID of the guest in the System Information structure.</para>
1112
1113 <para revision="267734">The &os; Project has migrated
1114 from the <application>GNATS</application> bug tracking system
1115 to <application>Bugzilla</application>. The &man.send-pr.1;
1116 utility used for submitting problem reports has been replaced
1117 with a stub shell script that instructs to use the Bugzilla
1118 web interface.</para>
1119
1120 <para revision="267747">The &man.patch.1; utility has been
1121 updated to include a <literal>--dry-run</literal> flag, which
1122 is equivalent to <literal>--check</literal> and
1123 <literal>-C</literal>.</para>
1124
1125 <para revision="267878">A bug in &man.bsdgrep.1; that would
1126 prevent patterns from being matched under certain conditions
1127 has been fixed.</para>
1128
1129 <para revision="267979">The &man.procstat.1; utility has been
1130 updated to include two new flags, <literal>-r</literal> and
1131 <literal>-H</literal>. When <literal>-r</literal> is
1132 specified, &man.procstat.1; will print current resource usage
1133 about the process(es). When <literal>-H</literal> is
1134 specified, &man.procstat.1; will print information about
1135 threads rather than the process(es).</para>
1136
1137 <note>
1138 <para>The <literal>-H</literal> flag is currently only used
1139 with <literal>-r</literal> to display resource usage for
1140 individual threads, rather than the entire process.</para>
1141 </note>
1142
1143 <para revision="268019">The &man.sed.1; utility has been
1144 updated to include a new flag, <literal>-u</literal>, which
1145 enables unbuffered output when specified.</para>
1146
1147 <para revision="268161">The &man.mkimg.1; utility has been
1148 merged from &os;-CURRENT.</para>
1149
1150 <para revision="268700" contrib="sponsor"
1151 sponsor="&spectralogic;">The &man.camcontrol.8; has been
1152 updated to include a new <literal>persist</literal> command,
1153 which allows issuing <command>SCSI PERSISTENT RESERVE
1154 IN</command> and <command>SCSI PERSISTENT RESERVE
1155 OUT</command>.</para>
1156
1157 <para revision="268791">The &man.gstat.8; utility has been
1158 updated to include a new flag, <literal>-p</literal>, which
1159 displays only physical providers when specified.</para>
1160
1161 <para revision="268903">The &man.kldstat.8; utility has been
1162 updated to allow <literal>-q</literal> to be specified when
1163 also specifying <literal>-n
1164 <replaceable>module.ko</replaceable></literal>.</para>
1165
1166 <para revision="269177">The &man.mkimg.1; utility has been
1167 updated to include support for both fixed- and
1168 dynamically-allocated images for the <acronym>VHD</acronym>
1169 and <acronym>VMDK</acronym> formats.</para>
1170
1171 <para revision="269220">The &man.random.4; entropy collection
1172 script, <filename>/usr/libexec/save-entropy</filename>, no
1173 longer runs within &man.jail.8; environments.</para>
1174
1175 <para revision="269397">The &man.bhyve.8; wrapper script,
1176 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>,
1177 has been synced with &os;-CURRENT.</para>
1178
1179 <para>This update includes:</para>
1180
1181 <itemizedlist>
1182 <listitem>
1183 <para>A new flag, <literal>-e</literal>, has been added,
1184 which is used to set &man.loader.8; environment
1185 variables.</para>
1186 </listitem>
1187
1188 <listitem>
1189 <para>A new flag, <literal>-C</literal>, has been added,
1190 which is used to specify the guest console device.</para>
1191 </listitem>
1192
1193 <listitem>
1194 <para>A new flag, <literal>-H</literal>, has been added,
1195 which is used to pass the host path to
1196 &man.bhyveload.8;.</para>
1197 </listitem>
1198
1199 <listitem>
1200 <para>Support for multiple disk and &man.tap.4; devices
1201 has been added.</para>
1202 </listitem>
1203
1204 <listitem>
1205 <para>The <literal>-I</literal> flag has been
1206 removed.</para>
1207 </listitem>
1208 </itemizedlist>
1209
1210 <para revision="269398">The &man.nfsd.8; server update to 4.1,
1211 adding support for RFC5661, has merged from
1212 &os;-CURRENT.</para>
1213
1214 <para revision="269432" arch="ia64">The serial terminals
1215 <filename>ttyu0</filename> and <filename>ttyu1</filename> have
1216 been updated to <literal>onifconsole</literal> by default in
1217 &man.ttys.5;, which either can be the serial console,
1218 depending on the platform.</para>
1219
1220 <para revision="269800">The &man.ping6.8; utility has been
1221 updated to reset <literal>itimer</literal> when the maximum
1222 number of packets to send have been reached. This prevents
1223 &man.ping6.8; from exiting when the interval in set to a small
1224 value and a low number of packets to send has been
1225 specified.</para>
1226
1227 <para revision="269805">The &man.jail.8; utility has been
1228 updated to support extra &man.ifconfig.8; arguments for the
1229 <literal>ip4.addr</literal> and <literal>ip6.addr</literal>
1230 parameters. This change allows &man.carp.4; interfaces to
1231 be used within the &man.jail.8;.</para>
1232
1233 <para revision="269946">Support for generating and compiling
1234 <acronym>USDT</acronym> <application>DTrace</application>
1235 probes has been improved. <application>DTrace</application>
1236 <acronym>USDT</acronym> files are now handled similar to
1237 &man.lex.1; and &man.yacc.1; files, meaning support for
1238 handling <application>D</application> files as part of the
1239 build process is built into the <literal>SRCS</literal>
1240 &man.make.1; environment variable.</para>
1241
1242 <para revision="269968">The &man.iscsictl.8; utility has been
1243 updated to include a new flag, <literal>-M</literal>, which
1244 allows modifying the <acronym>iSCSI</acronym> session
1245 parameters without requiring the session to be removed and
1246 added back.</para>
1247
1248 <para revision="270043">The &man.mount.nfs.8; utility has been
1249 updated to support specifying the NFS version as
1250 a <literal>key=<replaceable>value</replaceable></literal> pair
1251 argument to the <literal>-o</literal> flag. For example, to
1252 specify NFS version 4, the syntax to use is
1253 <literal>-o vers=4</literal>.</para>
1254
1255 <para revision="270242" contrib="sponsor"
1256 sponsor="&spectralogic;">The &man.devd.8; client socket type
1257 has been changed to <literal>SOCK_SEQPACKET</literal>,
1258 providing sequential packet support.</para>
1259
1260 <para revision="270401">Support for the <quote>account</quote>
1261 facility has been added to the &man.pam.group.8;
1262 module.</para>
1263
1264 <para revision="270890">The &man.pathchk.1; utility has been
1265 updated to ensure bytes greater than or equal to 128 are
1266 considered non-portable.</para>
1267
1268 <para revision="270997" contrib="vendor" vendor="&freenas;">The
1269 &man.zdb.8; utility is now included in the set of applications
1270 installed in the <filename
1271 class="directory">/rescue</filename> environment, making it
1272 possible to examine &man.zfs.8; filesystems when <filename
1273 class="directory">/usr</filename> is unavailable.</para>
1274
1275 <para>Several <literal>libc</literal> improvements have been
1276 merged from illumos™ and &apple;, providing better
1277 internationalization support and &posix; compliance.</para>
1278
1279 <sect3 xml:id="rc-scripts">
1280 <title><filename>/etc/rc.d</filename> Scripts</title>
1281
1282 <para revision="264438">The <filename>network.subr</filename>
1283 &man.rc.8; script has been updated to loosen the requirement
1284 of listing network aliases in numeric order. Previously,
1285 a network alias of
1286 <literal>_alias<replaceable>2</replaceable></literal>
1287 would not be created if
1288 <literal>_alias<replaceable>1</replaceable></literal> was
1289 not defined.</para>
1290
1291 <para revision="268098">The &man.service.8; utility has been
1292 updated to check that the &man.rc.d.8; directory exists
1293 before traversing the directory.</para>
1294
1295 <para revision="259141">A regression introduced in
1296 &os; 10.0-RELEASE that would prevent proper IPv6
1297 allocation via the &man.jail.8; &man.rc.8; startup script
1298 has been fixed.</para>
1299
1300 <para revision="264438">The &man.rc.8; restriction requiring
1301 &man.mdconfig.8; devices defined in &man.rc.conf.5; to be
1302 listed sequentially has been removed.</para>
1303
1304 <para revision="262566">The &man.sshd.8; &man.rc.d.8; startup
1305 script now generates <literal>ED25519</literal> &man.sshd.8;
1306 host keys if keys do not already exist when
1307 <literal>ssh_keygen_alg()</literal> is invoked.</para>
1308
1309 <para revision="271095">Support for &man.vt.4; keyboard maps
1310 has been added to the <filename>syscons</filename>
1311 &man.rc.d.8; startup script.</para>
1312
1313 <para revision="271260">Support for subdirectories within
1314 <filename
1315 class="directory">/etc/rc.conf.d/<replaceable>service</replaceable>/</filename>
1316 has been added the &man.rc.d.8;. This allows creating
1317 separate configuration files for services such as
1318 <filename>netif</filename>, for example, where each network
1319 interface can have a separate configuration file.</para>
1320 </sect3>
1321 </sect2>
1322
1323 <sect2 xml:id="contrib">
1324 <title>Contributed Software</title>
1325
1326 <para revision="263285">The &man.xz.1; utility has been updated
1327 to a post-5.0.5 snapshot.</para>
1328
1329 <para revision="264377"><application>OpenSSH</application> has
1330 been updated to version 6.6p1.</para>
1331
1332 <para revision="264911">The &man.nc.1; utility has been updated
1333 to match the version in OpenBSD 5.5.</para>
1334
1335 <para revision="266692"><application>Sendmail</application>
1336 has been updated to 8.14.9.</para>
1337
1338 <para revision="268515">The &man.file.1; utility and
1339 &man.libmagic.3; library have been updated to 5.19.</para>
1340
1341 <para revision="268899">The &man.byacc.1; parser has been
1342 updated to version 20140422.</para>
1343
1344 <para revision="269024" contrib="sponsor"
1345 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
1346 been updated to the r202189 snapshot.</para>
1347
1348 <para revision="269257">The &man.unbound.8; caching resolver and
1349 <literal>ldns</literal> have been updated to version
1350 1.4.22.</para>
1351
1352 <para revision="269686"><application>OpenSSL</application> has
1353 been updated to version 1.0.1i.</para>
1354
1355 <para revision="269847">The <quote>lite</quote> version of
1356 <application>Subversion</application> included in the
1357 &os; base system and its dependencies have been
1358 updated:</para>
1359
1360 <itemizedlist>
1361 <listitem>
1362 <para><application>apr</application> has been
1363 updated to version 1.5.1.</para>
1364 </listitem>
1365
1366 <listitem>
1367 <para><application>apr-util</application> has been
1368 updated to version 1.5.3.</para>
1369 </listitem>
1370
1371 <listitem>
1372 <para><application>serf</application> has been
1373 updated to version 1.3.7.</para>
1374 </listitem>
1375
1376 <listitem>
1377 <para><application>svnlite</application> has been
1378 updated to version 1.8.10.</para>
1379 </listitem>
1380 </itemizedlist>
1381
1382 <para revision="270026">The &man.nvi.1; editor has been
1383 update to version 2.1.2-c80f493b038.</para>
1384
1385 <para revision="270031">The &man.fparseln.3; library has
1386 been updated to version 1.7.</para>
1387
1388 <para revision="270415">The <application>lukemftpd</application>
1389 <acronym>FTP</acronym> server has been removed from the
1390 &os; base system.</para>
1391
1392 <para revision="270817">The timezone database has been updated
1393 to version tzdata2014f.</para>
1394 </sect2>
1395
1396 <sect2 xml:id="ports">
1397 <title>Ports/Packages Collection Infrastructure</title>
1398
1399 <para> </para>
1400
1401 </sect2>
1402
1403 <sect2 xml:id="releng">
1404 <title>Release Engineering and Integration</title>
1405
1406 <para revision="263028">The &man.services.mkdb.8; utility has
1407 been updated to include endianness awareness, allowing the
1408 <filename>services.db</filename> database to be created as
1409 part of the release build, regardless of native- or
1410 cross-built releases.</para>
1411 </sect2>
1412
1413 <sect2 xml:id="doc">
1414 <title>Documentation</title>
1415
1416 <para> </para>
1417
1418 </sect2>
1419 </sect1>
1420
1421 <sect1 xml:id="upgrade">
1422 <title>Upgrading from Previous Releases of &os;</title>
1423
1424 <para arch="amd64,i386">Binary upgrades between RELEASE versions
1425 (and snapshots of the various security branches) are supported
1426 using the &man.freebsd-update.8; utility. The binary upgrade
1427 procedure will update unmodified userland utilities, as well as
1428 unmodified <filename>GENERIC</filename> kernel distributed as
1429 a part of an official &os; release. The &man.freebsd-update.8;
1430 utility requires that the host being upgraded have Internet
1431 connectivity.</para>
1432
1433 <para>Source-based upgrades (those based on recompiling the &os;
1434 base system from source code) from previous versions are
1435 supported, according to the instructions in
1436 <filename>/usr/src/UPDATING</filename>.</para>
1437
1438 <important>
1439 <para>Upgrading &os; should only be attempted after
1440 backing up <emphasis>all</emphasis> data and configuration
1441 files.</para>
1442 </important>
1443 </sect1>
1444</article>
| 673 </sect3>
674
675 <sect3 xml:id="disks">
676 <title>Disks and Storage</title>
677
678 <para revision="260385" contrib="sponsor" sponsor="&ix;">The
679 &man.geom.4; subsystem has been updated to support I/O
680 direct dispatch. When safety requirements are met, it
681 enables avoiding passing I/O requests to GEOM
682 <literal>g_up</literal>/<literal>g_down</literal> thread,
683 executing them directly in the caller context, avoiding
684 CPU bottlenecks in
685 <literal>g_up</literal>/<literal>g_down</literal> threads,
686 plus avoid several context switches per I/O.</para>
687
688 <para revision="260385" contrib="sponsor" sponsor="&ix;">The
689 &man.geom.4; RAID driver has been
690 updated to support unmapped I/O.</para>
691
692 <para revision="260387" contrib="sponsor" sponsor="&ix;">The
693 &man.cam.4; subsystem has been updated to support
694 finer-grained locking, direct dispatch and multi-queue,
695 which combined with &man.geom.4; direct dispatch, reduces
696 lock congestion and improves <acronym>SMP</acronym>
697 scalability of the SCSI/ATA stack.</para>
698
699 <para revision="260478">The &man.geom.8;
700 <literal>GEOM_MULTIPATH</literal> class has been updated to
701 support automatic live partition resizing.</para>
702
703 <para revision="260857">The &man.virtio_blk.4; driver has been
704 updated to support unmapped I/O.</para>
705
706 <para revision="260858">The &man.virtio_scsi.4; driver has
707 been updated to support unmapped I/O.</para>
708
709 <para revision="264522">Support for LUN-based CD changers has
710 been removed from the &man.cd.4; driver.</para>
711
712 <para revision="264732">Support for
713 <literal>BIO_DELETE</literal> has been added to &man.zfs.8;
714 <literal>zvol</literal> volumes.</para>
715
716 <para revision="264734">Support for 9th generation HP host bus
717 adapter cards has been added to &man.ciss.4;.</para>
718
719 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
720 &man.mpr.4; device has been added,
721 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
722 controllers.</para>
723
724 <para revision="265678">A new <literal>zvol</literal> property
725 <literal>volmode</literal> and &man.sysctl.8;
726 <literal>vfs.zfs.vol.mode</literal> has been added to allow
727 switching <literal>zvol</literal> between three different
728 ways of exposing it to a user: <literal>geom</literal>,
729 <literal>dev</literal> and <literal>none</literal>.</para>
730
731 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
732 &man.mrsas.4; driver has been added, providing support for
733 LSI MegaRAID SAS controllers. The &man.mfi.4; driver will
734 attach to the controller, by default. To enable
735 &man.mrsas.4; add <literal>hw.mfi.mrsas_enable=1</literal>
736 to <filename>/boot/loader.conf</filename>, which turns off
737 &man.mfi.4; device probing.</para>
738
739 <note>
740 <para>At this time, the &man.mfiutil.8; utility and the &os;
741 version of <application>MegaCLI</application> and
742 <application>StorCli</application> do not work with
743 &man.mrsas.4;.</para>
744 </note>
745
746 <para revision="266608">Fixed accounting of
747 <literal>BIO_FLUSH</literal> operation in &man.geom.8;
748 <literal>GEOM_DISK</literal> class</para>
749
750 <para revision="266610">The &man.gstat.8; utility now has an
751 <literal>-o</literal> option, to display
752 <quote>other</quote> operations, such as
753 <literal>BIO_FLUSH</literal>.</para>
754
755 <para revision="267084">The &man.mfi.4; driver has been
756 updated to include support for unmapped I/O.</para>
757
758 <para revision="267457">The &man.hpt27xx.4; driver has been
759 updated with various vendor-supplied bug fixes.</para>
760
761 <para revision="270130" contrib="sponsor"
762 sponsor="&citrix.rd;">Support for unmapped I/O has been
763 added to the &man.xen.4; <literal>blkfront</literal>
764 driver.</para>
765
766 <para revision="259328" contrib="sponsor" sponsor="&ff;">The
767 &man.geom.8; <literal>label</literal> class is now aware of
768 resized partitions. This corrects an issue where
769 <command>geom resize</command> would resize the partition,
770 but the label provider in <filename
771 class="directory">/dev/gptid/</filename> would not be
772 resized.</para>
773
774 <para revision="260502">The &man.gmirror.8;
775 utility now has a <literal>resize</literal> command, making
776 it easier to resize the size of a mirror when all of its
777 components have been replaced.</para>
778
779 <para revision="262967">Support for MegaRAID Fury cards has
780 been added to the &man.mfi.4; driver.</para>
781
782 <para revision="263024">The &man.aacraid.4; driver has been
783 updated to version 3.2.5.</para>
784
785 <para revision="265536">The <literal>GEOM_VINUM</literal>
786 option is now able to be built both directly into the kernel
787 or as a &man.kldload.8; loadable module.</para>
788
789 <para revision="265912">The &man.geom.8;
790 <literal>GEOM_PART</literal> class has been updated to
791 support automatic partition resizing. Changes to the
792 partition size are not saved to disk until
793 <command>gpart commit</command> is run, and prior to saving,
794 can be reverted with <command>gpart undo</command>.</para>
795
796 <para revision="266220">The &man.geom.uncompress.4; module is
797 built by default which, similar to &man.geom.uzip.4;,
798 provides support for compressed, read-only disk
799 images.</para>
800
801 <para revision="268091">Support for the
802 <literal>disklabel64</literal> partitioning scheme has been
803 added to &man.gpart.8;.</para>
804
805 <para revision="270552">A new &man.sysctl.8; and
806 &man.loader.8; tunable,
807 <literal>kern.geom.part.mbr.enforce_chs</literal> has been
808 added to the &man.geom.8; <literal>MBR</literal> partition
809 class. When set to a non-zero value,
810 <literal>GEOM_PART_MBR</literal> will automatically
811 recalculate the user-specified offset and size for alignment
812 with the disk geometry.</para>
813
814 <para contrib="sponsor" sponsor="&ix;">Many improvements to
815 the CAM Target Layer (CTL):</para>
816 <itemizedlist>
817 <listitem>
818 <para>Support for <literal>UNMAP</literal>, <literal>WRITE
819 SAME</literal>, <literal>COMPARE AND WRITE</literal>,
820 <literal>XCOPY</literal> and some other SCSI commands
821 was added to support VMWare VAAI and Microsoft ODX
822 storage acceleration.</para>
823 </listitem>
824 <listitem>
825 <para revision="265642">The
826 <literal>READ</literal>/<literal>WRITE</literal> size
827 limitations were removed by supporting multiple
828 data moves per command.</para>
829 </listitem>
830 <listitem>
831 <para revision="268556">Finer-grained per-LUN locking and
832 multiple worker threads for better
833 <acronym>SMP</acronym> scapability.</para>
834 </listitem>
835 <listitem>
836 <para revision="269297">Memory consumption reduced by
837 several times by disabling some never used
838 functionality.</para>
839 </listitem>
840 <listitem>
841 <para revision="269298">The maximum number of
842 <acronym>SCSI</acronym> ports increased from 32 to
843 128</para>
844 </listitem>
845 <listitem>
846 <para revision="269429">Improved <literal>zvol</literal>
847 integration for better performance.</para>
848 </listitem>
849 </itemizedlist>
850
851 <para revision="270810" contrib="vendor"
852 vendor="&highpoint;">The &man.hptnr.4; driver has been
853 updated to version 1.0.1.</para>
854
855 <para revision="271234">The &man.mrsas.4; driver has been
856 added to the <filename>GENERIC</filename> kernel
857 configuration on &arch.amd64; and &arch.i386;
858 architectures.</para>
859 </sect3>
860
861 <sect3 xml:id="fs">
862 <title>File Systems</title>
863
864 <para revision="260338">The
865 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has
866 been re-enabled. On multi-CPU machines with enough RAM,
867 this can easily double &man.zfs.8; performance or reduce CPU
868 usage in half. It was originally disabled due to memory and
869 <acronym>KVA</acronym> exhaustion problem reports, which
870 should be resolved due to several change in the VM
871 subsystem.</para>
872
873 <para revision="260178" contrib="vendor"
874 vendor="&netflix;">A new flag, <literal>-R</literal>,
875 has been added to the &man.fsck.ffs.8; utility. When used,
876 &man.fsck.ffs.8; will restart itself when too many critical
877 errors have been detected.</para>
878
879 <para revision="263407">The &man.zfs.8; filesystem has been
880 updated to implement <quote>bookmarks</quote>. See
881 &man.zfs.8; for further details.</para>
882
883 <para revision="266122">The &man.zfs.8; filesystem has been
884 updated to allow tuning the minimum <quote>ashift</quote>
885 value when creating new top-level virtual devices (vdevs).
886 To set the minimum ashift value, for example when creating
887 a &man.zpool.8; on <quote>Advanced Format</quote> drives,
888 set the <literal>vfs.zfs.min_auto_ashift</literal>
889 &man.sysctl.8; accordingly.</para>
890
891 <para revision="266612">The <literal>libzfs</literal> thread
892 pool <acronym>API</acronym> has been imported from
893 OpenSolaris, and adapted for &os;. This change allows
894 parallel disk scanning, which can reduce &man.zpool.8;
895 overall import time in some workloads.</para>
896
897 <para revision="269651">The &man.restore.8; utility has been
898 updated to prevent assertion failures when restoring
899 a <acronym>UFS</acronym> filesystem dump to
900 a <acronym>ZFS</acronym> filesystem by writing restored
901 files in block sizes that are a multiple of 1024.</para>
902
903 <para revision="269774">Two &man.sysctl.8;s have been added
904 to the &man.zfs.8; filesystem:</para>
905
906 <itemizedlist>
907 <listitem>
908 <para>
909 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The
910 percentage of the metaslab group size that should be
911 considered eligible for allocation, unless all metaslab
912 groups within the metaslab class have also crossed this
913 threshold.</para>
914 </listitem>
915
916 <listitem>
917 <para>
918 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The
919 maximum percentage of metaslab fragmentation level to
920 keep their active state</para>
921 </listitem>
922 </itemizedlist>
923
924 <para revision="269846">The default &man.zfs.8;
925 <acronym>ARC</acronym> hash table size has been increased,
926 and a new &man.loader.8; tunable,
927 <literal>vfs.zfs.arc_average_blocksize</literal>, has been
928 added. Previously, the hash table could be too small, which
929 would lead to long hash chains and limit performance for
930 cached reads. The
931 <literal>vfs.zfs.arc_average_blocksize</literal> tunable
932 allows overriding the default block size. The previous
933 default was 65536, and default of the new &man.loader.8;
934 tunable is 8192.</para>
935
936 <para revision="270157">The Fast File System
937 (<acronym>FFS</acronym>) has been updated to support
938 multi-threaded soft updates. Previously, soft updates were
939 handled by a single thread, and as of this change, now have
940 one thread per <acronym>FFS</acronym> mountpoint.</para>
941
942 <para revision="270892" contrib="sponsor" sponsor="&ff;">The
943 new filesystem automount facility, &man.autofs.5;, has been
944 merged from &os;-CURRENT. The new &man.autofs.5; facility
945 is similar to that found in other &unix;-like operating
946 systems, such as OS X™ and Solaris™. The
947 &man.autofs.5; facility uses a &sun;-compatible
948 &man.auto.master.5; configuration file, and is administered
949 with the &man.automount.8; userland utility, and the
950 &man.automountd.8; and &man.autounmountd.8; daemons.</para>
951 </sect3>
952 </sect2>
953
954 <sect2 xml:id="userland">
955 <title>Userland Changes</title>
956
957 <para revision="260177" contrib="sponsor"
958 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
959 <literal>-b</literal>, which outputs the existing buses and
960 their parents.</para>
961
962 <para revision="262075">The &man.newsyslog.8; utility has been
963 updated to rotate files based on the actual file size instead
964 of the blocks on disk. This matches the behavior documented
965 in &man.newsyslog.conf.5;.</para>
966
967 <para revision="262384">The location of the &man.rctl.8;
968 configuration file can now be overridden in &man.rc.conf.5;.
969 To use a non-default location, set
970 <literal>rctl_rules</literal> in &man.rc.conf.5; to the
971 location of the file.</para>
972
973 <para revision="262855">The <application>ATF</application> test
974 suite has been updated to version 0.20. The test suite is
975 disabled by default in &os; 10.1, and can be enabled by
976 adding <literal>WITH_TESTS=yes</literal> to
977 &man.src.conf.5;.</para>
978
979 <para revision="263019">The <literal>libucl</literal> library
980 (Unified Configuration Library) has been merged from
981 &os;-CURRENT.</para>
982
983 <para revision="263020">The &man.pkg.7; bootstrapping utility
984 has been synced with the version in &os;-CURRENT.</para>
985
986 <para revision="263403">The &man.zfs.8; userland utility has
987 been updated to include aliases for
988 <command>snapshot</command>, which allows use of <command>zfs
989 list -t snap</command> and <command>zfs
990 snap</command>.</para>
991
992 <para revision="263405">The &man.zfs.8; userland utility has
993 been updated to include a new flag to <command>zfs
994 list</command>, <literal>-p</literal>, which when specified,
995 prints the output in a parsable format.</para>
996
997 <para revision="263783">The Blowfish password format
998 implementation updated. Support for $2b$ has
999 been added, allowing use of passwords greater than 256
1000 characters long.</para>
1001
1002 <para revision="264497">The &man.iconv.3; library has been
1003 updated to match NetBSD, providing several bug fixes.</para>
1004
1005 <para revision="265265">The &man.date.1; utility has been
1006 updated to include a new flag, <literal>-R</literal>, which
1007 prints the date and time output as specified in RFC
1008 2822.</para>
1009
1010 <para revision="265533">The &man.bc.1; utility has been updated
1011 to version 1.1, in sync with the version in OpenBSD.</para>
1012
1013 <para revision="265604" contrib="vendor"
1014 vendor="&netflix;">The &man.pmcstat.8; utility has been
1015 updated to include a new flag, <literal>-a</literal>, which
1016 when specified, produces a full stack track on the sampled
1017 points.</para>
1018
1019 <para revision="265701">The &man.netstat.8; and &man.route.8;
1020 utilities have been updated to include a shorthand equivalent
1021 to the <literal>-f inet</literal> and <literal>-f
1022 inet6</literal> address specifiers, <literal>-4</literal>
1023 and <literal>-6</literal>, respectively.</para>
1024
1025 <para revision="265879">The &man.crypt.3; library now defaults
1026 to SHA512 for password hashing.</para>
1027
1028 <para revision="266014">The &man.gvinum.8; utility has been
1029 updated to allow forceful configuration reset with the
1030 <literal>-f</literal> flag. Additionally, a bug that would
1031 prevent <literal>-f</literal> from properly creating
1032 a &man.gvinum.8; configuration has been fixed.</para>
1033
1034 <para revision="266029">The &man.login.conf.5; file now takes
1035 precedence over the shell-specific environment files. In
1036 particular, the <literal>PATH</literal>,
1037 <literal>BLOCKSIZE</literal> variables are commented from
1038 <filename>/usr/share/skel/dot.profile</filename>, and the
1039 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and
1040 <literal>umask</literal> variables have been commented from
1041 <filename>/usr/share/skel/dot.cshrc</filename>.</para>
1042
1043 <para revision="266272">The &man.binmiscctl.8; userland utility
1044 and related image activator features have been merged from
1045 &os;-CURRENT.</para>
1046
1047 <para revision="266279">The &man.ps.1; utility has been
1048 updated to include the <literal>-J</literal> flag, used to
1049 filter output by matching &man.jail.8; IDs and names.
1050 Additionally, argument <literal>0</literal> can be used to
1051 <literal>-J</literal> to only list processes running on the
1052 host system.</para>
1053
1054 <para revision="266280">The &man.top.1; utility has been updated
1055 to filter by &man.jail.8; ID or name, in followup to the
1056 &man.ps.1; change in <literal>r265229</literal>.</para>
1057
1058 <para revision="266610">The &man.gstat.8; utility has been
1059 updated to include a new flag, <literal>-o</literal>. When
1060 set, &man.gstat.8; will display statistics for operations
1061 such as <literal>BIO_FLUSH</literal>.</para>
1062
1063 <para revision="266632">The &man.fetch.3; library has been
1064 updated to look for root <acronym>SSL</acronym> certificates
1065 in <filename class="directory">/usr/local/etc/ssl/</filename>
1066 before <filename
1067 class="directory">/etc/ssl/</filename>.</para>
1068
1069 <para revision="266715">The &man.clang.1;/llvm suite has been
1070 updated to version 3.4.1.</para>
1071
1072 <para revision="266816">The Blowfish password format
1073 has been changed to $2b$ by default.</para>
1074
1075 <para revision="266888">The amount of data collected for
1076 &man.hwpmc.4; has been updated to work with modern processors
1077 and larger amounts of available memory.</para>
1078
1079 <para revision="266890">The &man.pmcstat.8; utility has been
1080 updated to include a new flag, <literal>-l</literal>, which
1081 ends event collection after the specified number of
1082 seconds.</para>
1083
1084 <para revision="266953">The &man.mergemaster.8; utility has
1085 been updated to avoid printing
1086 <quote><filename>/var/tmp/temproot</filename>
1087 disappeared</quote> if there is nothing to compare.</para>
1088
1089 <para revision="267056">The &os; installer, &man.bsdinstall.8;,
1090 has been updated to include optional
1091 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap
1092 devices when installing onto a full &man.zfs.8; filesystem.
1093 Additionally, the parent &man.zfs.8; dataset is now configured
1094 with <literal>lz4</literal> compression enabled.</para>
1095
1096 <para revision="267113">The default &man.newsyslog.conf.5; now
1097 includes files in the
1098 <filename>/etc/newsyslog.conf.d/</filename> and
1099 <filename>/usr/local/etc/newsyslog.conf.d/</filename>
1100 directories by default for &man.newsyslog.8;.</para>
1101
1102 <para revision="267161">The &man.realpath.1; utility has been
1103 updated to return <literal>ENOTDIR</literal> on paths
1104 components <quote>.</quote> and <quote>..</quote> that are
1105 not directories, such as <filename
1106 class="directory">/dev/null/.</filename> or <filename
1107 class="directory">/dev/null/..</filename>.</para>
1108
1109 <para revision="267236">A new flag, <quote>onifconsole</quote>
1110 has been added to <filename>/etc/ttys</filename>. This allows
1111 the system to provide a login prompt via serial console if the
1112 device is an active kernel console, otherwise it is equivalent
1113 to <literal>off</literal>.</para>
1114
1115 <para revision="267341">Support for legacy
1116 <acronym>PCI</acronym> devices has been removed from
1117 &man.bhyve.8;.</para>
1118
1119 <para revision="267450">The &man.bhyve.8; userland utility
1120 has been updated to include SMBIOS support. A new flag has
1121 been added, <literal>-U</literal>, which allows specifying the
1122 UUID of the guest in the System Information structure.</para>
1123
1124 <para revision="267734">The &os; Project has migrated
1125 from the <application>GNATS</application> bug tracking system
1126 to <application>Bugzilla</application>. The &man.send-pr.1;
1127 utility used for submitting problem reports has been replaced
1128 with a stub shell script that instructs to use the Bugzilla
1129 web interface.</para>
1130
1131 <para revision="267747">The &man.patch.1; utility has been
1132 updated to include a <literal>--dry-run</literal> flag, which
1133 is equivalent to <literal>--check</literal> and
1134 <literal>-C</literal>.</para>
1135
1136 <para revision="267878">A bug in &man.bsdgrep.1; that would
1137 prevent patterns from being matched under certain conditions
1138 has been fixed.</para>
1139
1140 <para revision="267979">The &man.procstat.1; utility has been
1141 updated to include two new flags, <literal>-r</literal> and
1142 <literal>-H</literal>. When <literal>-r</literal> is
1143 specified, &man.procstat.1; will print current resource usage
1144 about the process(es). When <literal>-H</literal> is
1145 specified, &man.procstat.1; will print information about
1146 threads rather than the process(es).</para>
1147
1148 <note>
1149 <para>The <literal>-H</literal> flag is currently only used
1150 with <literal>-r</literal> to display resource usage for
1151 individual threads, rather than the entire process.</para>
1152 </note>
1153
1154 <para revision="268019">The &man.sed.1; utility has been
1155 updated to include a new flag, <literal>-u</literal>, which
1156 enables unbuffered output when specified.</para>
1157
1158 <para revision="268161">The &man.mkimg.1; utility has been
1159 merged from &os;-CURRENT.</para>
1160
1161 <para revision="268700" contrib="sponsor"
1162 sponsor="&spectralogic;">The &man.camcontrol.8; has been
1163 updated to include a new <literal>persist</literal> command,
1164 which allows issuing <command>SCSI PERSISTENT RESERVE
1165 IN</command> and <command>SCSI PERSISTENT RESERVE
1166 OUT</command>.</para>
1167
1168 <para revision="268791">The &man.gstat.8; utility has been
1169 updated to include a new flag, <literal>-p</literal>, which
1170 displays only physical providers when specified.</para>
1171
1172 <para revision="268903">The &man.kldstat.8; utility has been
1173 updated to allow <literal>-q</literal> to be specified when
1174 also specifying <literal>-n
1175 <replaceable>module.ko</replaceable></literal>.</para>
1176
1177 <para revision="269177">The &man.mkimg.1; utility has been
1178 updated to include support for both fixed- and
1179 dynamically-allocated images for the <acronym>VHD</acronym>
1180 and <acronym>VMDK</acronym> formats.</para>
1181
1182 <para revision="269220">The &man.random.4; entropy collection
1183 script, <filename>/usr/libexec/save-entropy</filename>, no
1184 longer runs within &man.jail.8; environments.</para>
1185
1186 <para revision="269397">The &man.bhyve.8; wrapper script,
1187 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>,
1188 has been synced with &os;-CURRENT.</para>
1189
1190 <para>This update includes:</para>
1191
1192 <itemizedlist>
1193 <listitem>
1194 <para>A new flag, <literal>-e</literal>, has been added,
1195 which is used to set &man.loader.8; environment
1196 variables.</para>
1197 </listitem>
1198
1199 <listitem>
1200 <para>A new flag, <literal>-C</literal>, has been added,
1201 which is used to specify the guest console device.</para>
1202 </listitem>
1203
1204 <listitem>
1205 <para>A new flag, <literal>-H</literal>, has been added,
1206 which is used to pass the host path to
1207 &man.bhyveload.8;.</para>
1208 </listitem>
1209
1210 <listitem>
1211 <para>Support for multiple disk and &man.tap.4; devices
1212 has been added.</para>
1213 </listitem>
1214
1215 <listitem>
1216 <para>The <literal>-I</literal> flag has been
1217 removed.</para>
1218 </listitem>
1219 </itemizedlist>
1220
1221 <para revision="269398">The &man.nfsd.8; server update to 4.1,
1222 adding support for RFC5661, has merged from
1223 &os;-CURRENT.</para>
1224
1225 <para revision="269432" arch="ia64">The serial terminals
1226 <filename>ttyu0</filename> and <filename>ttyu1</filename> have
1227 been updated to <literal>onifconsole</literal> by default in
1228 &man.ttys.5;, which either can be the serial console,
1229 depending on the platform.</para>
1230
1231 <para revision="269800">The &man.ping6.8; utility has been
1232 updated to reset <literal>itimer</literal> when the maximum
1233 number of packets to send have been reached. This prevents
1234 &man.ping6.8; from exiting when the interval in set to a small
1235 value and a low number of packets to send has been
1236 specified.</para>
1237
1238 <para revision="269805">The &man.jail.8; utility has been
1239 updated to support extra &man.ifconfig.8; arguments for the
1240 <literal>ip4.addr</literal> and <literal>ip6.addr</literal>
1241 parameters. This change allows &man.carp.4; interfaces to
1242 be used within the &man.jail.8;.</para>
1243
1244 <para revision="269946">Support for generating and compiling
1245 <acronym>USDT</acronym> <application>DTrace</application>
1246 probes has been improved. <application>DTrace</application>
1247 <acronym>USDT</acronym> files are now handled similar to
1248 &man.lex.1; and &man.yacc.1; files, meaning support for
1249 handling <application>D</application> files as part of the
1250 build process is built into the <literal>SRCS</literal>
1251 &man.make.1; environment variable.</para>
1252
1253 <para revision="269968">The &man.iscsictl.8; utility has been
1254 updated to include a new flag, <literal>-M</literal>, which
1255 allows modifying the <acronym>iSCSI</acronym> session
1256 parameters without requiring the session to be removed and
1257 added back.</para>
1258
1259 <para revision="270043">The &man.mount.nfs.8; utility has been
1260 updated to support specifying the NFS version as
1261 a <literal>key=<replaceable>value</replaceable></literal> pair
1262 argument to the <literal>-o</literal> flag. For example, to
1263 specify NFS version 4, the syntax to use is
1264 <literal>-o vers=4</literal>.</para>
1265
1266 <para revision="270242" contrib="sponsor"
1267 sponsor="&spectralogic;">The &man.devd.8; client socket type
1268 has been changed to <literal>SOCK_SEQPACKET</literal>,
1269 providing sequential packet support.</para>
1270
1271 <para revision="270401">Support for the <quote>account</quote>
1272 facility has been added to the &man.pam.group.8;
1273 module.</para>
1274
1275 <para revision="270890">The &man.pathchk.1; utility has been
1276 updated to ensure bytes greater than or equal to 128 are
1277 considered non-portable.</para>
1278
1279 <para revision="270997" contrib="vendor" vendor="&freenas;">The
1280 &man.zdb.8; utility is now included in the set of applications
1281 installed in the <filename
1282 class="directory">/rescue</filename> environment, making it
1283 possible to examine &man.zfs.8; filesystems when <filename
1284 class="directory">/usr</filename> is unavailable.</para>
1285
1286 <para>Several <literal>libc</literal> improvements have been
1287 merged from illumos™ and &apple;, providing better
1288 internationalization support and &posix; compliance.</para>
1289
1290 <sect3 xml:id="rc-scripts">
1291 <title><filename>/etc/rc.d</filename> Scripts</title>
1292
1293 <para revision="264438">The <filename>network.subr</filename>
1294 &man.rc.8; script has been updated to loosen the requirement
1295 of listing network aliases in numeric order. Previously,
1296 a network alias of
1297 <literal>_alias<replaceable>2</replaceable></literal>
1298 would not be created if
1299 <literal>_alias<replaceable>1</replaceable></literal> was
1300 not defined.</para>
1301
1302 <para revision="268098">The &man.service.8; utility has been
1303 updated to check that the &man.rc.d.8; directory exists
1304 before traversing the directory.</para>
1305
1306 <para revision="259141">A regression introduced in
1307 &os; 10.0-RELEASE that would prevent proper IPv6
1308 allocation via the &man.jail.8; &man.rc.8; startup script
1309 has been fixed.</para>
1310
1311 <para revision="264438">The &man.rc.8; restriction requiring
1312 &man.mdconfig.8; devices defined in &man.rc.conf.5; to be
1313 listed sequentially has been removed.</para>
1314
1315 <para revision="262566">The &man.sshd.8; &man.rc.d.8; startup
1316 script now generates <literal>ED25519</literal> &man.sshd.8;
1317 host keys if keys do not already exist when
1318 <literal>ssh_keygen_alg()</literal> is invoked.</para>
1319
1320 <para revision="271095">Support for &man.vt.4; keyboard maps
1321 has been added to the <filename>syscons</filename>
1322 &man.rc.d.8; startup script.</para>
1323
1324 <para revision="271260">Support for subdirectories within
1325 <filename
1326 class="directory">/etc/rc.conf.d/<replaceable>service</replaceable>/</filename>
1327 has been added the &man.rc.d.8;. This allows creating
1328 separate configuration files for services such as
1329 <filename>netif</filename>, for example, where each network
1330 interface can have a separate configuration file.</para>
1331 </sect3>
1332 </sect2>
1333
1334 <sect2 xml:id="contrib">
1335 <title>Contributed Software</title>
1336
1337 <para revision="263285">The &man.xz.1; utility has been updated
1338 to a post-5.0.5 snapshot.</para>
1339
1340 <para revision="264377"><application>OpenSSH</application> has
1341 been updated to version 6.6p1.</para>
1342
1343 <para revision="264911">The &man.nc.1; utility has been updated
1344 to match the version in OpenBSD 5.5.</para>
1345
1346 <para revision="266692"><application>Sendmail</application>
1347 has been updated to 8.14.9.</para>
1348
1349 <para revision="268515">The &man.file.1; utility and
1350 &man.libmagic.3; library have been updated to 5.19.</para>
1351
1352 <para revision="268899">The &man.byacc.1; parser has been
1353 updated to version 20140422.</para>
1354
1355 <para revision="269024" contrib="sponsor"
1356 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
1357 been updated to the r202189 snapshot.</para>
1358
1359 <para revision="269257">The &man.unbound.8; caching resolver and
1360 <literal>ldns</literal> have been updated to version
1361 1.4.22.</para>
1362
1363 <para revision="269686"><application>OpenSSL</application> has
1364 been updated to version 1.0.1i.</para>
1365
1366 <para revision="269847">The <quote>lite</quote> version of
1367 <application>Subversion</application> included in the
1368 &os; base system and its dependencies have been
1369 updated:</para>
1370
1371 <itemizedlist>
1372 <listitem>
1373 <para><application>apr</application> has been
1374 updated to version 1.5.1.</para>
1375 </listitem>
1376
1377 <listitem>
1378 <para><application>apr-util</application> has been
1379 updated to version 1.5.3.</para>
1380 </listitem>
1381
1382 <listitem>
1383 <para><application>serf</application> has been
1384 updated to version 1.3.7.</para>
1385 </listitem>
1386
1387 <listitem>
1388 <para><application>svnlite</application> has been
1389 updated to version 1.8.10.</para>
1390 </listitem>
1391 </itemizedlist>
1392
1393 <para revision="270026">The &man.nvi.1; editor has been
1394 update to version 2.1.2-c80f493b038.</para>
1395
1396 <para revision="270031">The &man.fparseln.3; library has
1397 been updated to version 1.7.</para>
1398
1399 <para revision="270415">The <application>lukemftpd</application>
1400 <acronym>FTP</acronym> server has been removed from the
1401 &os; base system.</para>
1402
1403 <para revision="270817">The timezone database has been updated
1404 to version tzdata2014f.</para>
1405 </sect2>
1406
1407 <sect2 xml:id="ports">
1408 <title>Ports/Packages Collection Infrastructure</title>
1409
1410 <para> </para>
1411
1412 </sect2>
1413
1414 <sect2 xml:id="releng">
1415 <title>Release Engineering and Integration</title>
1416
1417 <para revision="263028">The &man.services.mkdb.8; utility has
1418 been updated to include endianness awareness, allowing the
1419 <filename>services.db</filename> database to be created as
1420 part of the release build, regardless of native- or
1421 cross-built releases.</para>
1422 </sect2>
1423
1424 <sect2 xml:id="doc">
1425 <title>Documentation</title>
1426
1427 <para> </para>
1428
1429 </sect2>
1430 </sect1>
1431
1432 <sect1 xml:id="upgrade">
1433 <title>Upgrading from Previous Releases of &os;</title>
1434
1435 <para arch="amd64,i386">Binary upgrades between RELEASE versions
1436 (and snapshots of the various security branches) are supported
1437 using the &man.freebsd-update.8; utility. The binary upgrade
1438 procedure will update unmodified userland utilities, as well as
1439 unmodified <filename>GENERIC</filename> kernel distributed as
1440 a part of an official &os; release. The &man.freebsd-update.8;
1441 utility requires that the host being upgraded have Internet
1442 connectivity.</para>
1443
1444 <para>Source-based upgrades (those based on recompiling the &os;
1445 base system from source code) from previous versions are
1446 supported, according to the instructions in
1447 <filename>/usr/src/UPDATING</filename>.</para>
1448
1449 <important>
1450 <para>Upgrading &os; should only be attempted after
1451 backing up <emphasis>all</emphasis> data and configuration
1452 files.</para>
1453 </important>
1454 </sect1>
1455</article>
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