article.xml revision 284856
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: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 284856 2015-06-25 18:45:35Z gjb $</pubdate> 24 25 <!-- Last rev: 282497 --> 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="281044">A regression in the &man.libarchive.3; 187 library that would prevent a directory from being included in 188 the archive when <literal>--one-file-system</literal> is used 189 has been fixed.</para> 190 191 <para revision="281161" contrib="sponsor" 192 sponsor="&limelight;">A new flag, <literal>-R</literal>, has 193 been added to the &man.netstat.8; utility, which is used to 194 dump <acronym>RSS</acronym>/flow information.</para> 195 196 <para revision="281936" contrib="sponsor" sponsor="&ff;">The 197 &man.ar.1; utility has been updated to set 198 <literal>ARCHIVE_EXTRACT_SECURE_SYMLINKS</literal> and 199 <literal>ARCHIVE_EXTRACT_SECURE_NODOTDOT</literal> to disallow 200 directory traversal when extracting an archive, similar to 201 &man.tar.1;.</para> 202 203 <para revision="282278">A race condition in &man.wc.1; that 204 would cause final results to be sent to &man.stderr.4; when 205 receiving the <literal>SIGINFO</literal> signal has been 206 fixed.</para> 207 208 <para revision="282870" contrib="sponsor" 209 sponsor="&scaleengine;">The &man.freebsd-update.8; utility has 210 been updated to prevent fetching updated binary patches when 211 a previous upgrade has not been thoroughly completed.</para> 212 213 <para revision="282974" contrib="sponsor" sponsor="&ff;">The 214 &man.uefisign.8; utility has been added.</para> 215 216 <para revision="283875" contrib="sponsor" 217 sponsor="&multiplay;">The &man.chflags.1;, &man.chgrp.1;, 218 &man.chmod.1;, and &man.chown.8; utilities now affect symbolic 219 links when the <literal>-R</literal> flag is specified, as 220 documented in &man.symlink.7;.</para> 221 </sect2> 222 223 <sect2 xml:id="userland-contrib"> 224 <title>Contributed Software</title> 225 226 <para revision="277592"><application>file</application> has been 227 updated to version 5.22.</para> 228 229 <para revision="282746" contrib="sponsor" sponsor="&ff;">The 230 &man.resolvconf.8; utility has been updated to version 231 3.7.0.</para> 232 233 <para revision="284330"><application>OpenSSL</application> has 234 been updated to version 1.0.1o.</para> 235 236 <para revision="284460">The &man.acpi.4; subsystem has been 237 updated to version 20150515.</para> 238 239 <para revision="284778">The &man.file.1; utility has been 240 updated to version 5.23.</para> 241 </sect2> 242 243 <sect2 xml:id="userland-installer"> 244 <title>Installation and Configuration Tools</title> 245 246 <para> </para> 247 </sect2> 248 249 <sect2 xml:id="userland-rc"> 250 <title><filename class="directory">/etc/rc.d</filename> 251 Scripts</title> 252 253 <para> </para> 254 </sect2> 255 256 <sect2 xml:id="userland-periodic"> 257 <title><filename class="directory">/etc/periodic</filename> 258 Scripts</title> 259 260 <para> </para> 261 </sect2> 262 263 <sect2 xml:id="userland-libraries"> 264 <title>Runtime Libraries and API</title> 265 266 <para revision="275040">A new file configuration library, 267 &man.figpar.3;, has been added to the base system.</para> 268 269 <para revision="280392">The &man.setmode.3; function has been 270 updated to consistently set <literal>errno</literal> on 271 failure.</para> 272 </sect2> 273 274 <sect2 xml:id="userland-abi"> 275 <title>ABI Compatibility</title> 276 277 <para> </para> 278 </sect2> 279 </sect1> 280 281 <sect1 xml:id="kernel"> 282 <title>Kernel</title> 283 284 <para>This section covers changes to kernel configurations, system 285 tuning, and system control parameters that are not otherwise 286 categorized.</para> 287 288 <sect2 xml:id="kernel-bugfix"> 289 <title>Kernel Bug Fixes</title> 290 291 <para> </para> 292 </sect2> 293 294 <sect2 xml:id="kernel-config"> 295 <title>Kernel Configuration</title> 296 297 <para revision="284522" contrib="sponsor" 298 sponsor="&limelight;">A new kernel configuration option, 299 <literal>EM_MULTIQUEUE</literal>, has been added which enables 300 multi-queue support in the &man.em.4; driver.</para> 301 302 <note> 303 <para>Multi-queue support in the &man.em.4; driver is not 304 officially supported by &intel;.</para> 305 </note> 306 </sect2> 307 308 <sect2 xml:id="kernel-sysctl"> 309 <title>System Tuning and Controls</title> 310 311 <para revision="276986">Throttling via <acronym>ACPI</acronym> 312 and <acronym>P4TCC</acronym> via &man.device.hints.5; have 313 been turned off by default.</para> 314 315 <para revision="278982" contrib="sponsor" sponsor="&ff;">The 316 &man.hwpmc.4; default and maximum callchain depths have been 317 increased. The default has been increased from 16 to 32, and 318 the maximum increased from 32 to 128.</para> 319 320 <para revision="281255" contrib="sponsor" 321 sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has 322 been changed to update timestamps for read/write operations 323 using seconds precision. A new &man.sysctl.8;, 324 <literal>vfs.devfs.dotimes</literal> has been added, which 325 when set to a non-zero value, enables default precision 326 timestamps for these operations.</para> 327 328 <para revision="280632">The <literal>kern.osrelease</literal> 329 and <literal>kern.osreldate</literal> are now configurable 330 &man.jail.8; parameters.</para> 331 332 <para revision="284665" contrib="sponsor" sponsor="&ff;">A new 333 &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been 334 added, which when set to a non-zero value allows using 335 &man.rctl.8; with the <literal>GENERIC</literal> kernel. 336 A new kernel configuration option, 337 <literal>RACCT_DISABLED</literal> has also been added.</para> 338 339 <para revision="284665" contrib="sponsor" sponsor="&ff;">The 340 <literal>GENERIC</literal> kernel configuration now includes 341 <literal>RACCT</literal> and <literal>RCTL</literal> by 342 default.</para> 343 344 <note> 345 <para>To enable <literal>RACCT</literal> and 346 <literal>RCTL</literal> on a system using the 347 <literal>GENERIC</literal> kernel configuration, add 348 <literal>kern.racct.enable=1</literal> to 349 &man.loader.conf.5;, and reboot the system.</para> 350 </note> 351 </sect2> 352 </sect1> 353 354 <sect1 xml:id="drivers"> 355 <title>Devices and Drivers</title> 356 357 <para>This section covers changes and additions to devices and 358 device drivers since &release.prev;.</para> 359 360 <sect2 xml:id="drivers-device"> 361 <title>Device Drivers</title> 362 363 <para revision="282199">The <literal>drm</literal> code has 364 been updated to match &linux; version 3.8.13.</para> 365 </sect2> 366 367 <sect2 xml:id="drivers-storage"> 368 <title>Storage Drivers</title> 369 370 <para revision="281957">The &man.hptnr.4; driver has been 371 updated to version 1.1.1.</para> 372 </sect2> 373 374 <sect2 xml:id="drivers-network"> 375 <title>Network Drivers</title> 376 377 <para> </para> 378 </sect2> 379 </sect1> 380 381 <sect1 xml:id="hardware"> 382 <title>Hardware Support</title> 383 384 <para>This section covers general hardware support for physical 385 machines, hypervisors, and virtualization environments, as well 386 as hardware changes and updates that do not otherwise fit in 387 other sections of this document.</para> 388 389 <sect2 xml:id="hardware-support"> 390 <title>Hardware Support</title> 391 392 <para> </para> 393 </sect2> 394 395 <sect2 xml:id="hardware-virtualization"> 396 <title>Virtualization Support</title> 397 398 <para revision="280370">The &man.bhyve.8; hypervisor has been 399 updated to support <literal>DSM TRIM</literal> commands for 400 virtual <acronym>AHCI</acronym> disks.</para> 401 402 <para revision="283280" contrib="sponsor" sponsor="&msostc;">The 403 Hyper-V™ drivers have been updated with several 404 enhancements:</para> 405 406 <itemizedlist> 407 <listitem> 408 <para>The &man.hv.vmbus.4; driver now has multi-channel 409 support.</para> 410 </listitem> 411 412 <listitem> 413 <para>The &man.hv.storvsc.4; driver now has scatter/gather 414 support, in addition to performance improvements.</para> 415 </listitem> 416 417 <listitem> 418 <para>The &man.hv.kvp.4; driver has received several bug 419 fixes.</para> 420 </listitem> 421 </itemizedlist> 422 </sect2> 423 424 <sect2 xml:id="hardware-arm"> 425 <title>ARM Support</title> 426 427 <para revision="278608">The <literal>bcm2835_cpufreq</literal> 428 driver has been added, which supports <acronym>CPU</acronym> 429 frequency and voltage control on the Raspberry Pi 430 <acronym>SOC</acronym>.</para> 431 </sect2> 432 </sect1> 433 434 <sect1 xml:id="storage"> 435 <title>Storage</title> 436 437 <para>This section covers changes and additions to file systems 438 and other storage subsystems, both local and networked.</para> 439 440 <sect2 xml:id="storage-general"> 441 <title>General Storage</title> 442 443 <para revision="279002" contrib="sponsor" sponsor="&ix;">The 444 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 445 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 446 with a new mechanism that works for any port.</para> 447 448 <para revision="279055" contrib="sponsor" sponsor="&ix;">The 449 &man.ctld.8; utility has been updated to allow controlling 450 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 451 452 <para revision="283223" contrib="sponsor" sponsor="&ff;">The 453 &man.autofs.5; subsystem has been updated to include a new 454 &man.auto.master.5; map, <literal>-media</literal>, which 455 allows automatically mounting removable media, such as 456 <acronym>CD</acronym> drives or <acronym>USB</acronym> flash 457 drives.</para> 458 459 <para revision="283242" contrib="sponsor" sponsor="&ff;">The 460 &man.autofs.5; subsystem has been updated to include a new 461 &man.auto.master.5; map, <literal>-noauto</literal>, which 462 handles &man.fstab.5; entries set to 463 <literal>noauto</literal>.</para> 464 </sect2> 465 466 <sect2 xml:id="storage-net"> 467 <title>Networked Storage</title> 468 469 <para revision="274939" contrib="sponsor" sponsor="&ix;">The 470 &man.ctld.8; utility has been updated to include support for 471 registering <acronym>iSCSI</acronym> targets and portals on 472 <acronym>iSNS</acronym> servers. This provides a mechanism 473 which allows <acronym>iSCSI</acronym> initiators to find 474 targets and portals without requiring active 475 discovery.</para> 476 </sect2> 477 478 <sect2 xml:id="storage-zfs"> 479 <title>ZFS</title> 480 481 <para revision="275490">A new tunable, 482 <literal>vfs.zfs.spa_slop_shift</literal>, has been added, 483 which controls how much space is reserved by default.</para> 484 485 <para revision="277583">The <literal>arc_meta_limit</literal> 486 statistics are now visible through the 487 <literal>kstat</literal> &man.sysctl.8;. As a result of this 488 change, the <literal>vfs.zfs.arc_meta_used</literal> 489 &man.sysctl.8; has been removed, and replaced with the 490 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 491 &man.sysctl.8;.</para> 492 </sect2> 493 494 <sect2 xml:id="storage-geom"> 495 <title>&man.geom.4;</title> 496 497 <para revision="275891" contrib="sponsor" sponsor="&ix;">The 498 &man.ctl.4; subsystem has been updated, increasing the ports 499 limit from <literal>128</literal> to <literal>256</literal>, 500 and <acronym>LUN</acronym> limit from <literal>256</literal> 501 to <literal>1024</literal>.</para> 502 </sect2> 503 </sect1> 504 505 <sect1 xml:id="boot"> 506 <title>Boot Loader Changes</title> 507 508 <para>This section covers the boot loader, boot menu, and other 509 boot-related changes.</para> 510 511 <sect2 xml:id="boot-loader"> 512 <title>Boot Loader Changes</title> 513 514 <para revision="281843">The boot loader has been updated to 515 support entering the <acronym>GELI</acronym> passphrase before 516 loading the kernel. To enable this behavior, add 517 <literal>geom_eli_passphrase_prompt="YES"</literal> to 518 &man.loader.conf.5;.</para> 519 520 <para revision="283262" contrib="sponsor" sponsor="&ff;">The 521 memory test run at boot time on &os;/&arch.amd64; platforms 522 has been disabled by default.</para> 523 </sect2> 524 525 <sect2 xml:id="boot-menu"> 526 <title>Boot Menu Changes</title> 527 528 <para> </para> 529 </sect2> 530 </sect1> 531 532 <sect1 xml:id="network"> 533 <title>Networking</title> 534 535 <para>This section describes changes that affect networking in 536 &os;.</para> 537 538 <sect2 xml:id="network-protocols"> 539 <title>Network Procols</title> 540 541 <para> </para> 542 </sect2> 543 </sect1> 544 545 <sect1 xml:id="ports"> 546 <title>Ports Collection and Package Infrastructure</title> 547 548 <para>This section covers changes to the &os; Ports 549 Collection, package infrastructure, and package maintenance and 550 installation tools.</para> 551 552 <sect2 xml:id="ports-infrastructure"> 553 <title>Infrastructure Changes</title> 554 555 <para> </para> 556 </sect2> 557 558 <sect2 xml:id="ports-packages "> 559 <title>Packaging Changes</title> 560 561 <para> </para> 562 </sect2> 563 </sect1> 564 565 <sect1 xml:id="doc"> 566 <title>Documentation</title> 567 568 <para>This section covers changes to the &os; Documentation 569 Project sources and toolchain.</para> 570 571 <sect2 xml:id="doc-sources"> 572 <title>Documentation Source Changes</title> 573 574 <para> </para> 575 </sect2> 576 577 <sect2 xml:id="doc-toolchain"> 578 <title>Documentation Toolchain Changes</title> 579 580 <para> </para> 581 </sect2> 582 </sect1> 583 584 <sect1 xml:id="releng"> 585 <title>Release Engineering and Integration</title> 586 587 <para>This section convers changes that are specific to the 588 &os; Release Engineering processes.</para> 589 590 <sect2 xml:id="releng-changes"> 591 <title>Integration Changes</title> 592 593 <para> </para> 594 </sect2> 595 </sect1> 596</article> 597