article.xml revision 286252
1<?xml version="1.0" encoding="iso-8859-1"?> 2<!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN" 3 "../../../share/xml/freebsd50.dtd" [ 4<!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent"> 5 %release; 6<!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent"> 7 %sponsor; 8<!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent"> 9 %vendor; 10<!ENTITY security SYSTEM "../../share/xml/security.xml"> 11<!ENTITY errata SYSTEM "../../share/xml/errata.xml"> 12]> 13<article xmlns="http://docbook.org/ns/docbook" 14 xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"> 15 16 <info> 17 <title>&os; &release.current; Release Notes</title> 18 19 <author> 20 <orgname>The &os; Project</orgname> 21 </author> 22 23 <pubdate>$FreeBSD: releng/10.2/release/doc/en_US.ISO8859-1/relnotes/article.xml 286252 2015-08-03 19:08:45Z gjb $</pubdate> 24 25 <!-- Last rev: 284813 --> 26 27 <copyright> 28 <year>2015</year> 29 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation 30 Project</holder> 31 </copyright> 32 33 <legalnotice xml:id="trademarks" role="trademarks"> 34 &tm-attrib.freebsd; 35 &tm-attrib.ibm; 36 &tm-attrib.ieee; 37 &tm-attrib.intel; 38 &tm-attrib.sparc; 39 &tm-attrib.general; 40 </legalnotice> 41 42 <abstract> 43 <para>The release notes for &os; &release.current; contain 44 a summary of the changes made to the &os; base system on the 45 &release.branch; development line. This document lists 46 applicable security advisories that were issued since the last 47 release, as well as significant changes to the &os; kernel and 48 userland. Some brief remarks on upgrading are also 49 presented.</para> 50 </abstract> 51 </info> 52 53 <sect1 xml:id="intro"> 54 <title>Introduction</title> 55 56 <para>This document contains the release notes for &os; 57 &release.current;. It describes recently added, changed, or 58 deleted features of &os;. It also provides some notes on 59 upgrading from previous versions of &os;.</para> 60 61 <para releasetype="current">The &release.type; distribution to 62 which these release notes apply represents the latest point 63 along the &release.branch; development branch since 64 &release.branch; was created. Information regarding pre-built, 65 binary &release.type; distributions along this branch can be 66 found at <uri 67 xlink:href="&release.url;">&release.url;</uri>.</para> 68 69 <para releasetype="snapshot">The &release.type; distribution to 70 which these release notes apply represents a point along the 71 &release.branch; development branch between &release.prev; and 72 the future &release.next;. Information regarding pre-built, 73 binary &release.type; distributions along this branch can be 74 found at <uri 75 xlink:href="&release.url;">&release.url;</uri>.</para> 76 77 <para releasetype="release">This distribution of &os; 78 &release.current; is a &release.type; distribution. It can be 79 found at <uri xlink:href="&release.url;">&release.url;</uri> or 80 any of its mirrors. More information on obtaining this (or 81 other) &release.type; distributions of &os; can be found in the 82 <link 83 xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining 84 &os;</quote> appendix</link> to the <link 85 xlink:href="&url.books.handbook;/">&os; 86 Handbook</link>.</para> 87 88 <para>All users are encouraged to consult the release errata 89 before installing &os;. The errata document is updated with 90 <quote>late-breaking</quote> information discovered late in the 91 release cycle or after the release. Typically, it contains 92 information on known bugs, security advisories, and corrections 93 to documentation. An up-to-date copy of the errata for &os; 94 &release.current; can be found on the &os; Web site.</para> 95 96 <para>This document describes the most user-visible new or changed 97 features in &os; since &release.prev;.</para> 98 99 <para>Typical release note items document recent security 100 advisories issued after &release.prev;, new drivers or hardware 101 support, new commands or options, major bug fixes, or 102 contributed software upgrades. They may also list changes to 103 major ports/packages or release engineering practices. Clearly 104 the release notes cannot list every single change made to &os; 105 between releases; this document focuses primarily on security 106 advisories, user-visible changes, and major architectural 107 improvements.</para> 108 </sect1> 109 110 <sect1 xml:id="upgrade"> 111 <title>Upgrading from Previous Releases of &os;</title> 112 113 <para arch="amd64,i386">Binary upgrades between RELEASE versions 114 (and snapshots of the various security branches) are supported 115 using the &man.freebsd-update.8; utility. The binary upgrade 116 procedure will update unmodified userland utilities, as well as 117 unmodified <filename>GENERIC</filename> kernel distributed as 118 a part of an official &os; release. The &man.freebsd-update.8; 119 utility requires that the host being upgraded have Internet 120 connectivity.</para> 121 122 <para>Source-based upgrades (those based on recompiling the &os; 123 base system from source code) from previous versions are 124 supported, according to the instructions in 125 <filename>/usr/src/UPDATING</filename>.</para> 126 127 <important> 128 <para>Upgrading &os; should only be attempted after 129 backing up <emphasis>all</emphasis> data and configuration 130 files.</para> 131 </important> 132 </sect1> 133 134 <sect1 xml:id="security-errata"> 135 <title>Security and Errata</title> 136 137 <para>This section lists the various Security Advisories and 138 Errata Notices since &release.prev;.</para> 139 140 <sect2 xml:id="security"> 141 <title>Security Advisories</title> 142 143 &security; 144 </sect2> 145 146 <sect2 xml:id="errata"> 147 <title>Errata Notices</title> 148 149 &errata; 150 </sect2> 151 </sect1> 152 153 <sect1 xml:id="userland"> 154 <title>Userland</title> 155 156 <para>This section covers changes and additions to userland 157 applications, contributed software, and system utilities.</para> 158 159 <sect2 xml:id="userland-config"> 160 <title>Userland Configuration Changes</title> 161 162 <para revision="276991">The &man.termcap.5; file is installed 163 as-is from sources, instead of reordering, creating 164 <filename>/etc/termcap.db</filename> by default, providing 165 a performance improvements to applications that use the 166 &man.termcap.5; database, such as &man.vi.1; and 167 &man.ncurses.3;.</para> 168 </sect2> 169 170 <sect2 xml:id="userland-programs"> 171 <title>Userland Application Changes</title> 172 173 <para revision="275040">A new utility, &man.dpv.1;, has been 174 added to the base system, providing a &man.dialog.1;-style 175 progress view from one or more input streams. A corresponding 176 library, &man.dpv.3;, has also been added.</para> 177 178 <para revision="275945">The &man.elfdump.1; utility has been 179 updated to support capability mode provided by 180 &man.capsicum.4;.</para> 181 182 <para revision="277434" contrib="sponsor" sponsor="&ff;">The 183 &man.fstyp.8; utility has been added, which is used to 184 determine the filesystem on a specified device.</para> 185 186 <para revision="278968" contrib="sponsor" sponsor="&ff;">The 187 &man.mkimg.1; utility has been updated to support the 188 <acronym>MBR</acronym> <acronym>EFI</acronym> partition 189 type.</para> 190 191 <para revision="281044">A regression in the &man.libarchive.3; 192 library that would prevent a directory from being included in 193 the archive when <literal>--one-file-system</literal> is used 194 has been fixed.</para> 195 196 <para revision="281161" contrib="sponsor" 197 sponsor="&limelight;">A new flag, <literal>-R</literal>, has 198 been added to the &man.netstat.8; utility, which is used to 199 dump <acronym>RSS</acronym>/flow information.</para> 200 201 <para revision="281936" contrib="sponsor" sponsor="&ff;">The 202 &man.ar.1; utility has been updated to set 203 <literal>ARCHIVE_EXTRACT_SECURE_SYMLINKS</literal> and 204 <literal>ARCHIVE_EXTRACT_SECURE_NODOTDOT</literal> to disallow 205 directory traversal when extracting an archive, similar to 206 &man.tar.1;.</para> 207 208 <para revision="282278">A race condition in &man.wc.1; that 209 would cause final results to be sent to &man.stderr.4; when 210 receiving the <literal>SIGINFO</literal> signal has been 211 fixed.</para> 212 213 <para revision="282870" contrib="sponsor" 214 sponsor="&scaleengine;">The &man.freebsd-update.8; utility has 215 been updated to prevent fetching updated binary patches when 216 a previous upgrade has not been thoroughly completed.</para> 217 218 <para revision="282974" contrib="sponsor" sponsor="&ff;">The 219 &man.uefisign.8; utility has been added.</para> 220 221 <para revision="283875" contrib="sponsor" 222 sponsor="&multiplay;">The &man.chflags.1;, &man.chgrp.1;, 223 &man.chmod.1;, and &man.chown.8; utilities now affect symbolic 224 links when the <literal>-R</literal> flag is specified, as 225 documented in &man.symlink.7;.</para> 226 227 <para revision="283258">The &man.date.1; utility has been 228 updated to print the modification time of the file passed as 229 an argument to the <literal>-r</literal> flag, improving 230 compatibility with the <acronym>GNU</acronym> &man.date.1; 231 utility behavior.</para> 232 233 <para revision="284523">A new flag, <literal>-c</literal>, has 234 been added to the &man.mkimg.1; utility, which allows 235 specifying the capacity of the target disk image.</para> 236 237 <para revision="285092">The &man.pw.8; utility has been updated 238 with a new flag, <literal>-R</literal>, that sets the root 239 directory within which the utility will operate.</para> 240 </sect2> 241 242 <sect2 xml:id="userland-contrib"> 243 <title>Contributed Software</title> 244 245 <para revision="282746" contrib="sponsor" sponsor="&ff;">The 246 &man.resolvconf.8; utility has been updated to version 247 3.7.0.</para> 248 249 <para revision="283270">The &man.nc.1; utility has been updated 250 to the OpenBSD 5.7 version.</para> 251 252 <para revision="284398">Timezone data files have been updated to 253 version 2015e.</para> 254 255 <para revision="284460">The &man.acpi.4; subsystem has been 256 updated to version 20150515.</para> 257 258 <para revision="284778">The &man.file.1; utility has been 259 updated to version 5.23.</para> 260 261 <para revision="285206">The &man.unbound.8; utility has been 262 updated to version 1.5.3.</para> 263 264 <para revision="285305">The <application>sendmail</application> 265 utility has been updated to version 8.15.2.</para> 266 267 <para revision="285330"><application>OpenSSL</application> has 268 been updated to version 1.0.1p.</para> 269 270 <para revision="285612">The <application>ntp</application> 271 suite has been updated to version 4.2.8p3.</para> 272 273 <para revision="285750" contrib="sponsor" sponsor="&dell;">The 274 &man.ssh.1; utility has been updated to re-implement hostname 275 canonicalization before locating the host in 276 <filename>known_hosts</filename>.</para> 277 278 <para revision="286084">The &man.tar.1; utility has been updated 279 to fix an issue that would prevent compressing sparse 280 files.</para> 281 </sect2> 282 283 <sect2 xml:id="userland-installer"> 284 <title>Installation and Configuration Tools</title> 285 286 <para revision="285769" contrib="sponsor" 287 sponsor="&scaleengine;">Support for detecting and implementing 288 a workaround for various laptops and motherboards that do not 289 boot properly from <acronym>GPT</acronym>-partitioned disks 290 has been added to &man.bsdinstall.8;. Additionally, the 291 <literal>active</literal> flag will be set on the partition 292 when needed.</para> 293 294 <para revision="285721" contrib="sponsor" 295 sponsor="&scaleengine;">Support for detecting and implementing 296 aligning partitions on 1Mb boundaries has been added to 297 &man.bsdinstall.8;.</para> 298 299 <para revision="285769" contrib="sponsor" 300 sponsor="&scaleengine;">Support for selecting the partitioning 301 scheme when installing on the <acronym>UFS</acronym> 302 filesystem has been added to &man.bsdinstall.8;.</para> 303 </sect2> 304 305 <sect2 xml:id="userland-rc"> 306 <title><filename class="directory">/etc/rc.d</filename> 307 Scripts</title> 308 309 <para revision="284009">A new &man.rc.8; script, 310 <filename>growfs</filename>, has been added, which will resize 311 the root filesystem on boot if <filename>/firstboot</filename> 312 exists.</para> 313 </sect2> 314 315 <sect2 xml:id="userland-periodic"> 316 <title><filename class="directory">/etc/periodic</filename> 317 Scripts</title> 318 319 <para revision="277520" contrib="sponsor" sponsor="&ff;">A new 320 &man.periodic.8; script, 321 <filename>510.status-world-kernel</filename>, has been added, 322 which evaluates the running userland and kernel versions from 323 the &man.uname.1; <literal>-U</literal> and 324 <literal>-K</literal> arguments, and prints an error if the 325 system userland and kernel are not in sync.</para> 326 </sect2> 327 328 <sect2 xml:id="userland-libraries"> 329 <title>Runtime Libraries and API</title> 330 331 <para revision="275040">A new file configuration library, 332 &man.figpar.3;, has been added to the base system.</para> 333 334 <para revision="276686" contrib="sponsor" sponsor="&ff;">The 335 &man.procctl.2; system call has been updated to include 336 a facility for non-&man.init.8; processes to be declared as 337 the reaper of child processes and their decendants.</para> 338 339 <para revision="280392">The &man.setmode.3; function has been 340 updated to consistently set <literal>errno</literal> on 341 failure.</para> 342 </sect2> 343 344 <sect2 xml:id="userland-abi"> 345 <title>ABI Compatibility</title> 346 347 <para revision="275807">The &linux; compatibility version has 348 been updated to <literal>2.6.18</literal>. The 349 <literal>compat.linux.osrelease</literal> &man.sysctl.8; is 350 evaluated when building the <filename 351 role="package">emulators/linux-c6</filename> and related 352 ports.</para> 353 </sect2> 354 </sect1> 355 356 <sect1 xml:id="kernel"> 357 <title>Kernel</title> 358 359 <para>This section covers changes to kernel configurations, system 360 tuning, and system control parameters that are not otherwise 361 categorized.</para> 362 363 <sect2 xml:id="kernel-bugfix"> 364 <title>Kernel Bug Fixes</title> 365 366 <para revision="276068">A kernel panic triggered when destroying 367 a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has 368 been fixed.</para> 369 370 <para revision="284018">A kernel panic triggered when destroying 371 a &man.vnet.9; &man.jail.8; configured with &man.gre.4; has 372 been fixed.</para> 373 </sect2> 374 375 <sect2 xml:id="kernel-config"> 376 <title>Kernel Configuration</title> 377 378 <para revision="282065" contrib="sponsor" sponsor="&ff;">The 379 <literal>PAE_TABLES</literal> kernel configuration option has 380 been added for &os;/&arch.i386;, which instructs &man.pmap.9; 381 to use <acronym>PAE</acronym> format for page tables while 382 maintaining a 32-bit physical address size elsewhere in the 383 kernel. The use of this option can enhance application-level 384 security by enabling the creation of <quote>no execute</quote> 385 mappings on modern &arch.i386; processors. Unlike the 386 <literal>PAE</literal> option, <literal>PAE_TABLES</literal> 387 preserves kernel binary interface (<acronym>KBI</acronym>) 388 compatibility with non-<literal>PAE</literal> kernels, 389 allowing non-<literal>PAE</literal> kernel modules and drivers 390 to work with a <literal>PAE_TABLES</literal>-enabled kernel. 391 Additionally, system limits are tuned for 4GB maximum 392 <acronym>RAM</acronym>, avoiding kernel virtual address space 393 (<acronym>KVA</acronym>) exhaustion.</para> 394 395 <para revision="282826">The <literal>SIFTR</literal> kernel 396 configuration has been added, allowing building &man.siftr.4; 397 statically into the kernel.</para> 398 399 <para revision="283076" contrib="sponsor" sponsor="&intelcorp;" 400 arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are 401 now included in the <filename>GENERIC</filename> kernel 402 configuration by default.</para> 403 404 <para revision="283505" arch="arm">The &arch.arm; boot loader, 405 <filename>ubldr</filename>, is now relocatable. In addition, 406 <filename>ubldr.bin</filename> is now created during build 407 time, which is a stripped binary with an entry point of 408 <literal>0</literal>, providing the ability to specify the 409 load address by running <literal>go 410 ${loadaddr}</literal> in 411 <literal>u-boot</literal>.</para> 412 413 <para revision="284094" arch="arm">A new module for creating 414 <filename>rpi.dtb</filename> has been added for the Raspberry 415 Pi.</para> 416 417 <para revision="284094" arch="arm">The 418 <filename>rpi.dtb</filename> module is now installed to 419 <filename class="directory">/boot/dtb/</filename> by 420 default for the Raspberry Pi system.</para> 421 422 <para revision="284096" arch="arm">A new module for creating 423 the <filename>dtb</filename> module for AM335x systems has 424 been added.</para> 425 426 <para revision="284522" contrib="sponsor" 427 sponsor="&limelight;">A new kernel configuration option, 428 <literal>EM_MULTIQUEUE</literal>, has been added which enables 429 multi-queue support in the &man.em.4; driver.</para> 430 431 <note> 432 <para>Multi-queue support in the &man.em.4; driver is not 433 officially supported by &intel;.</para> 434 </note> 435 </sect2> 436 437 <sect2 xml:id="kernel-sysctl"> 438 <title>System Tuning and Controls</title> 439 440 <para revision="276986">Throttling via <acronym>ACPI</acronym> 441 and <acronym>P4TCC</acronym> via &man.device.hints.5; have 442 been turned off by default.</para> 443 444 <para revision="278982" contrib="sponsor" sponsor="&ff;">The 445 &man.hwpmc.4; default and maximum callchain depths have been 446 increased. The default has been increased from 16 to 32, and 447 the maximum increased from 32 to 128.</para> 448 449 <para revision="281255" contrib="sponsor" 450 sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has 451 been changed to update timestamps for read/write operations 452 using seconds precision. A new &man.sysctl.8;, 453 <literal>vfs.devfs.dotimes</literal> has been added, which 454 when set to a non-zero value, enables default precision 455 timestamps for these operations.</para> 456 457 <para revision="280632">The <literal>kern.osrelease</literal> 458 and <literal>kern.osreldate</literal> are now configurable 459 &man.jail.8; parameters.</para> 460 461 <para revision="284665" contrib="sponsor" sponsor="&ff;">A new 462 &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been 463 added, which when set to a non-zero value allows using 464 &man.rctl.8; with the <literal>GENERIC</literal> kernel. 465 A new kernel configuration option, 466 <literal>RACCT_DISABLED</literal> has also been added.</para> 467 468 <para revision="284665" contrib="sponsor" sponsor="&ff;">The 469 <literal>GENERIC</literal> kernel configuration now includes 470 <literal>RACCT</literal> and <literal>RCTL</literal> by 471 default.</para> 472 473 <note> 474 <para>To enable <literal>RACCT</literal> and 475 <literal>RCTL</literal> on a system using the 476 <literal>GENERIC</literal> kernel configuration, add 477 <literal>kern.racct.enable=1</literal> to 478 &man.loader.conf.5;, and reboot the system.</para> 479 </note> 480 </sect2> 481 </sect1> 482 483 <sect1 xml:id="drivers"> 484 <title>Devices and Drivers</title> 485 486 <para>This section covers changes and additions to devices and 487 device drivers since &release.prev;.</para> 488 489 <sect2 xml:id="drivers-device"> 490 <title>Device Drivers</title> 491 492 <para revision="282199">The <literal>drm</literal> code has 493 been updated to match &linux; version 3.8.13.</para> 494 495 <para revision="281708">The &man.psm.4; driver has been updated 496 to include improved support for newer Synaptics ® 497 touchpads and the ClickPad ® mouse on newer 498 Lenovo ™ laptops.</para> 499 </sect2> 500 501 <sect2 xml:id="drivers-storage"> 502 <title>Storage Drivers</title> 503 504 <para revision="283990">The &man.mpr.4; driver has been 505 updated to version 9.255.01.00-fbsd.</para> 506 507 <para revision="284879">The &man.hpt27xx.4; driver has been 508 updated to version 1.2.7.</para> 509 510 <para revision="284935">The &man.hptnr.4; driver has been 511 updated to version 1.1.4.</para> 512 </sect2> 513 514 <sect2 xml:id="drivers-network"> 515 <title>Network Drivers</title> 516 517 <para revision="274486">The &man.pf.4; interface default hash 518 has been changed from <literal>Jenkins</literal> to 519 <literal>Murmur3</literal>, providing a 3-percent performance 520 increase in packets-per-second.</para> 521 522 <para revision="279157">The &man.ral.4; driver has been updated 523 to support the RT5390 and RT5392 chipsets.</para> 524 525 <para revision="284066" contrib="sponsor" sponsor="&yandex;">The 526 &man.gre.4; driver has been significantly overhauled, and has 527 been split into two separate modules, &man.gre.4; and 528 &man.me.4;.</para> 529 530 <para revision="284365">The &man.vxlan.4; driver has been added, 531 which creates a virtual Layer 2 (Ethernet) network overlaid in 532 a Layer 3 (IP/UDP) network. The &man.vxlan.4; driver is 533 analogous to &man.vlan.4;, but is designed to be better suited 534 for large, multiple-tenant datacenter environments.</para> 535 536 <para revision="284499">The &man.cdce.4; driver has been updated 537 to include support for the RTL8153 chipset.</para> 538 539 <para revision="284555" contrib="sponsor" 540 sponsor="&solarflare;">The &man.sfxge.4; driver has been 541 updated to support Solarflare Flareon Ultra 7000-series 542 chipsets.</para> 543 </sect2> 544 </sect1> 545 546 <sect1 xml:id="hardware"> 547 <title>Hardware Support</title> 548 549 <para>This section covers general hardware support for physical 550 machines, hypervisors, and virtualization environments, as well 551 as hardware changes and updates that do not otherwise fit in 552 other sections of this document.</para> 553 554 <sect2 xml:id="hardware-support"> 555 <title>Hardware Support</title> 556 557 <para revision="278407">The &man.uart.4; driver has been updated 558 to include support for the <acronym>AMT</acronym> serial 559 interface found on the Lenovo® ThinkPad™ T61.</para> 560 561 <para revision="279924">The &man.uart.4; driver has been updated 562 to include support for the <acronym>AMT</acronym> serial 563 interface found on the Lenovo® ThinkPad™ 564 T400.</para> 565 566 <para revision="281963">The &man.snd.hda.4; driver has been 567 updated to support the Lenovo® ThinkPad™ X1 20BS 568 model.</para> 569 </sect2> 570 571 <sect2 xml:id="hardware-virtualization"> 572 <title>Virtualization Support</title> 573 574 <para revision="275273">The &man.virtio.console.4; driver has 575 been added, which provides an interface to VirtIO console 576 devices through a &man.tty.4; device.</para> 577 578 <para revision="276403">The &man.bhyve.8; hypervisor has been 579 updated to support &amd; processors with 580 <acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware 581 extensions.</para> 582 583 <para revision="280370">The &man.bhyve.8; hypervisor has been 584 updated to support <literal>DSM TRIM</literal> commands for 585 virtual <acronym>AHCI</acronym> disks.</para> 586 587 <para revision="283280" contrib="sponsor" sponsor="&msostc;">The 588 Hyper-V™ drivers have been updated with several 589 enhancements:</para> 590 591 <itemizedlist> 592 <listitem> 593 <para>The &man.hv.vmbus.4; driver now has multi-channel 594 support.</para> 595 </listitem> 596 597 <listitem> 598 <para>The &man.hv.storvsc.4; driver now has scatter/gather 599 support, in addition to performance improvements.</para> 600 </listitem> 601 602 <listitem> 603 <para>The &man.hv.kvp.4; driver has received several bug 604 fixes.</para> 605 </listitem> 606 </itemizedlist> 607 608 <para revision="285236" contrib="sponsor" sponsor="&msostc;">The 609 &man.hv.netvsc.4; driver has been updated to support checksum 610 offloading and <acronym>TSO</acronym>.</para> 611 </sect2> 612 613 <sect2 xml:id="hardware-arm"> 614 <title>ARM Support</title> 615 616 <para revision="278079" arch="arm">Support to turn off the 617 BeagleBone Black system with the &man.shutdown.8; 618 <literal>-p</literal> flag or by invoking &man.poweroff.8; has 619 been added.</para> 620 621 <para revision="278599" arch="arm">Support for the Exynos 5420 622 Octa system has been added.</para> 623 624 <para revision="278599" arch="arm">The <acronym>SMP</acronym> 625 option has been enabled for all Exynos 5 systems supported by 626 &os;.</para> 627 628 <para revision="278608">The <literal>bcm2835_cpufreq</literal> 629 driver has been added, which supports <acronym>CPU</acronym> 630 frequency and voltage control on the Raspberry Pi 631 <acronym>SOC</acronym>.</para> 632 633 <para revision="283500" arch="arm">Support for the Toradex 634 Apalis i.MX6 development board has been added.</para> 635 636 <para revision="283500" arch="arm">Audio transmission drivers 637 have been added for Digital Audio Multiplexer 638 (<acronym>AUDMUXM</acronym>), Smart Direct Memory Access 639 Controller (<acronym>SDMA</acronym>), and Syncronous Serial 640 Interface (<acronym>SSI</acronym>).</para> 641 </sect2> 642 </sect1> 643 644 <sect1 xml:id="storage"> 645 <title>Storage</title> 646 647 <para>This section covers changes and additions to file systems 648 and other storage subsystems, both local and networked.</para> 649 650 <sect2 xml:id="storage-general"> 651 <title>General Storage</title> 652 653 <para revision="279002" contrib="sponsor" sponsor="&ix;">The 654 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 655 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 656 with a new mechanism that works for any port.</para> 657 658 <para revision="279055" contrib="sponsor" sponsor="&ix;">The 659 &man.ctld.8; utility has been updated to allow controlling 660 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 661 662 <para revision="283223" contrib="sponsor" sponsor="&ff;">The 663 &man.autofs.5; subsystem has been updated to include a new 664 &man.auto.master.5; map, <literal>-media</literal>, which 665 allows automatically mounting removable media, such as 666 <acronym>CD</acronym> drives or <acronym>USB</acronym> flash 667 drives.</para> 668 669 <para revision="283242" contrib="sponsor" sponsor="&ff;">The 670 &man.autofs.5; subsystem has been updated to include a new 671 &man.auto.master.5; map, <literal>-noauto</literal>, which 672 handles &man.fstab.5; entries set to 673 <literal>noauto</literal>.</para> 674 </sect2> 675 676 <sect2 xml:id="storage-net"> 677 <title>Networked Storage</title> 678 679 <para revision="274939" contrib="sponsor" sponsor="&ix;">The 680 &man.ctld.8; utility has been updated to include support for 681 registering <acronym>iSCSI</acronym> targets and portals on 682 <acronym>iSNS</acronym> servers. This provides a mechanism 683 which allows <acronym>iSCSI</acronym> initiators to find 684 targets and portals without requiring active 685 discovery.</para> 686 687 <para revision="275249" contrib="sponsor" sponsor="&ff;">Support 688 for the <literal>timeo</literal>, <literal>actimeo</literal>, 689 <literal>noac</literal>, and <literal>proto</literal> options 690 have been added to &man.mount.nfs.8;.</para> 691 </sect2> 692 693 <sect2 xml:id="storage-zfs"> 694 <title>ZFS</title> 695 696 <para revision="275490">A new tunable, 697 <literal>vfs.zfs.spa_slop_shift</literal>, has been added, 698 which controls how much space is reserved by default.</para> 699 700 <para revision="277583">The <literal>arc_meta_limit</literal> 701 statistics are now visible through the 702 <literal>kstat</literal> &man.sysctl.8;. As a result of this 703 change, the <literal>vfs.zfs.arc_meta_used</literal> 704 &man.sysctl.8; has been removed, and replaced with the 705 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 706 &man.sysctl.8;.</para> 707 </sect2> 708 709 <sect2 xml:id="storage-geom"> 710 <title>&man.geom.4;</title> 711 712 <para revision="275891" contrib="sponsor" sponsor="&ix;">The 713 &man.ctl.4; subsystem has been updated, increasing the ports 714 limit from <literal>128</literal> to <literal>256</literal>, 715 and <acronym>LUN</acronym> limit from <literal>256</literal> 716 to <literal>1024</literal>.</para> 717 718 <para revision="282861">Support for the 719 <literal>apple-boot</literal>, <literal>apple-hfs</literal>, 720 and <literal>apple-ufs</literal> <acronym>MBR</acronym> 721 partitioning schemes have been added to &man.gpart.8;.</para> 722 </sect2> 723 </sect1> 724 725 <sect1 xml:id="boot"> 726 <title>Boot Loader Changes</title> 727 728 <para>This section covers the boot loader, boot menu, and other 729 boot-related changes.</para> 730 731 <sect2 xml:id="boot-loader"> 732 <title>Boot Loader Changes</title> 733 734 <para revision="281323">Support for <literal>bzipfs</literal> 735 has been added to the <acronym>EFI</acronym> loader.</para> 736 737 <para revision="281843">The boot loader has been updated to 738 support entering the <acronym>GELI</acronym> passphrase before 739 loading the kernel. To enable this behavior, add 740 <literal>geom_eli_passphrase_prompt="YES"</literal> to 741 &man.loader.conf.5;.</para> 742 743 <para revision="283262" contrib="sponsor" sponsor="&ff;">The 744 memory test run at boot time on &os;/&arch.amd64; platforms 745 has been disabled by default.</para> 746 747 <para revision="283972">A new &man.ttys.5; class, 748 <literal>3wire</literal>, has been added. This is similar to 749 the existing terminal classes, but does not have a defined 750 baudrate.</para> 751 752 <para revision="284775" contrib="sponsor" sponsor="&ff;" 753 arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been 754 updated to enable <filename>ttyu1</filename>, 755 <filename>ttyu2</filename>, and <filename>ttyu3</filename> by 756 default, if the callin port is an active console port.</para> 757 </sect2> 758 759 <sect2 xml:id="boot-menu"> 760 <title>Boot Menu Changes</title> 761 762 <para> </para> 763 </sect2> 764 </sect1> 765 766 <sect1 xml:id="network"> 767 <title>Networking</title> 768 769 <para>This section describes changes that affect networking in 770 &os;.</para> 771 772 <sect2 xml:id="network-protocols"> 773 <title>Network Procols</title> 774 775 <para revision="273838" contrib="sponsor" 776 sponsor="&limelight;">Support for <acronym>PLPMTUD</acronym> 777 blackhole detection (<acronym>RFC</acronym> 4821) has been 778 added to the &man.tcp.4; stack, disabled by default. New 779 control tunables have been added:</para> 780 781 <informaltable frame="none" pgwide="0"> 782 <tgroup cols="2"> 783 <colspec colwidth="1*"/> 784 <colspec colwidth="1*"/> 785 <thead> 786 <row> 787 <entry>Tunable</entry> 788 <entry>Description</entry> 789 </row> 790 </thead> 791 792 <tbody> 793 <row> 794 <entry><literal>net.inet.tcp.pmtud_blackhole_detection</literal></entry> 795 <entry>Enables or disables <acronym>PLPMTUD</acronym> 796 blackhole detection</entry> 797 </row> 798 799 <row> 800 <entry><literal>net.inet.tcp.pmtud_blackhole_mss</literal></entry> 801 <entry><acronym>MSS</acronym> to try for IPv4</entry> 802 </row> 803 804 <row> 805 <entry><literal>net.inet.tcp.v6pmtud_blackhole_mss</literal></entry> 806 <entry><acronym>MSS to try for IPv6</acronym></entry> 807 </row> 808 </tbody> 809 </tgroup> 810 </informaltable> 811 812 <para>New monitoring &man.sysctl.8;s haven been added:</para> 813 814 <informaltable frame="none" pgwide="0"> 815 <tgroup cols="2"> 816 <colspec colwidth="1*"/> 817 <colspec colwidth="1*"/> 818 <thead> 819 <row> 820 <entry>Tunable</entry> 821 <entry>Description</entry> 822 </row> 823 </thead> 824 825 <tbody> 826 <row> 827 <entry><literal>net.inet.tcp.pmtud_blackhole_activated</literal></entry> 828 <entry>Number of times the code was activated to attempt 829 downshifting the <acronym>MSS</acronym></entry> 830 </row> 831 832 <row> 833 <entry><literal>net.inet.tcp.pmtud_blackhole_min_activated</literal></entry> 834 <entry>Number of times the blackhole 835 <acronym>MSS</acronym> was used in an attempt to 836 downshift</entry> 837 </row> 838 839 <row> 840 <entry><literal>net.inet.tcp.pmtud_blackhole_failed</literal></entry> 841 <entry>Number of times that the blackhole failed to 842 connect after downshifting the 843 <acronym>MSS</acronym></entry> 844 </row> 845 </tbody> 846 </tgroup> 847 </informaltable> 848 </sect2> 849 </sect1> 850 851 <sect1 xml:id="ports"> 852 <title>Ports Collection and Package Infrastructure</title> 853 854 <para>This section covers changes to the &os; Ports 855 Collection, package infrastructure, and package maintenance and 856 installation tools.</para> 857 858 <sect2 xml:id="ports-versions"> 859 <title>Ports and Package Versions</title> 860 861 <para>The <filename role="package">ports-mgmt/pkg</filename> 862 package has been updated to version 1.5.4 in the 863 <literal>quarterly</literal> branch, and version 1.5.5 in the 864 <literal>head</literal> branch.</para> 865 866 <para>The <filename 867 role="package">x11-servers/xorg-server</filename> package 868 for &os; &release.current; has been updated to version 869 1.14.7_5.</para> 870 871 <para>The <filename role="package">x11/xorg</filename> package 872 for &os; &release.current; has been updated to version 873 7.7_2.</para> 874 875 <para>The <filename role="package">x11/gnome3</filename> package 876 for &os; &release.current; has been updated to version 877 3.14.2.</para> 878 879 <para>The <filename role="package">x11/kde4</filename> package 880 for &os; &release.current; has been updated to version 881 4.14.3.</para> 882 </sect2> 883 </sect1> 884 885 <sect1 xml:id="releng"> 886 <title>Release Engineering and Integration</title> 887 888 <para>This section convers changes that are specific to the 889 &os; Release Engineering processes.</para> 890 891 <sect2 xml:id="releng-changes"> 892 <title>Integration Changes</title> 893 894 <para revision="283161" contrib="sponsor" sponsor="&ff;">The 895 Release Engineering build tools have been updated to support 896 building &os;/&arch.arm; images without external utilities for 897 supported boards where a corresponding 898 <literal>u-boot</literal> port exists in the Ports 899 Collection.</para> 900 901 <para revision="283548" contrib="sponsor" sponsor="&ff;">The 902 &os;/&arch.i386; memory stick installation images are now 903 created using the &man.mkimg.1; utility, matching the way 904 the &os;/&arch.amd64; images are created.</para> 905 906 <para revision="285830" contrib="sponsor" sponsor="&ff;">The 907 default &man.pkg.8; repository set in 908 <filename>/etc/pkg/FreeBSD.conf</filename> now defaults to 909 the <literal>quarterly</literal> package set. To use the 910 <literal>latest</literal> branch (as was the previous 911 default), the comment at the top of 912 <filename>/etc/pkg/FreeBSD.conf</filename> explains how to 913 disable the default repository and specify an alternative 914 repository.</para> 915 </sect2> 916 </sect1> 917</article> 918