article.xml revision 285474
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 285474 2015-07-13 15:45:46Z 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="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> 221 222 <para revision="285092">The &man.pw.8; utility has been updated 223 with a new flag, <literal>-R</literal>, that sets the root 224 directory within which the utility will operate.</para> 225 226 <para revision="283258">The &man.date.1; utility has been 227 updated to print the modification time of the file passed as 228 an argument to the <literal>-r</literal> flag, improving 229 compatibility with the <acronym>GNU</acronym> &man.date.1; 230 utility behavior.</para> 231 </sect2> 232 233 <sect2 xml:id="userland-contrib"> 234 <title>Contributed Software</title> 235 236 <para revision="282746" contrib="sponsor" sponsor="&ff;">The 237 &man.resolvconf.8; utility has been updated to version 238 3.7.0.</para> 239 240 <para revision="283270">The &man.nc.1; utility has been updated 241 to the OpenBSD 5.7 version.</para> 242 243 <para revision="284398">Timezone data files have been updated to 244 version 2015e.</para> 245 246 <para revision="284460">The &man.acpi.4; subsystem has been 247 updated to version 20150515.</para> 248 249 <para revision="284778">The &man.file.1; utility has been 250 updated to version 5.23.</para> 251 252 <para revision="285206">The &man.unbound.8; utility has been 253 updated to version 1.5.3.</para> 254 255 <para revision="285305">The <application>sendmail</application> 256 utility has been updated to version 8.15.2.</para> 257 258 <para revision="285330"><application>OpenSSL</application> has 259 been updated to version 1.0.1p.</para> 260 </sect2> 261 262 <sect2 xml:id="userland-installer"> 263 <title>Installation and Configuration Tools</title> 264 265 <para> </para> 266 </sect2> 267 268 <sect2 xml:id="userland-rc"> 269 <title><filename class="directory">/etc/rc.d</filename> 270 Scripts</title> 271 272 <para> </para> 273 </sect2> 274 275 <sect2 xml:id="userland-periodic"> 276 <title><filename class="directory">/etc/periodic</filename> 277 Scripts</title> 278 279 <para> </para> 280 </sect2> 281 282 <sect2 xml:id="userland-libraries"> 283 <title>Runtime Libraries and API</title> 284 285 <para revision="275040">A new file configuration library, 286 &man.figpar.3;, has been added to the base system.</para> 287 288 <para revision="280392">The &man.setmode.3; function has been 289 updated to consistently set <literal>errno</literal> on 290 failure.</para> 291 </sect2> 292 293 <sect2 xml:id="userland-abi"> 294 <title>ABI Compatibility</title> 295 296 <para> </para> 297 </sect2> 298 </sect1> 299 300 <sect1 xml:id="kernel"> 301 <title>Kernel</title> 302 303 <para>This section covers changes to kernel configurations, system 304 tuning, and system control parameters that are not otherwise 305 categorized.</para> 306 307 <sect2 xml:id="kernel-bugfix"> 308 <title>Kernel Bug Fixes</title> 309 310 <para> </para> 311 </sect2> 312 313 <sect2 xml:id="kernel-config"> 314 <title>Kernel Configuration</title> 315 316 <para revision="284522" contrib="sponsor" 317 sponsor="&limelight;">A new kernel configuration option, 318 <literal>EM_MULTIQUEUE</literal>, has been added which enables 319 multi-queue support in the &man.em.4; driver.</para> 320 321 <note> 322 <para>Multi-queue support in the &man.em.4; driver is not 323 officially supported by &intel;.</para> 324 </note> 325 </sect2> 326 327 <sect2 xml:id="kernel-sysctl"> 328 <title>System Tuning and Controls</title> 329 330 <para revision="276986">Throttling via <acronym>ACPI</acronym> 331 and <acronym>P4TCC</acronym> via &man.device.hints.5; have 332 been turned off by default.</para> 333 334 <para revision="278982" contrib="sponsor" sponsor="&ff;">The 335 &man.hwpmc.4; default and maximum callchain depths have been 336 increased. The default has been increased from 16 to 32, and 337 the maximum increased from 32 to 128.</para> 338 339 <para revision="281255" contrib="sponsor" 340 sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has 341 been changed to update timestamps for read/write operations 342 using seconds precision. A new &man.sysctl.8;, 343 <literal>vfs.devfs.dotimes</literal> has been added, which 344 when set to a non-zero value, enables default precision 345 timestamps for these operations.</para> 346 347 <para revision="280632">The <literal>kern.osrelease</literal> 348 and <literal>kern.osreldate</literal> are now configurable 349 &man.jail.8; parameters.</para> 350 351 <para revision="284665" contrib="sponsor" sponsor="&ff;">A new 352 &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been 353 added, which when set to a non-zero value allows using 354 &man.rctl.8; with the <literal>GENERIC</literal> kernel. 355 A new kernel configuration option, 356 <literal>RACCT_DISABLED</literal> has also been added.</para> 357 358 <para revision="284665" contrib="sponsor" sponsor="&ff;">The 359 <literal>GENERIC</literal> kernel configuration now includes 360 <literal>RACCT</literal> and <literal>RCTL</literal> by 361 default.</para> 362 363 <note> 364 <para>To enable <literal>RACCT</literal> and 365 <literal>RCTL</literal> on a system using the 366 <literal>GENERIC</literal> kernel configuration, add 367 <literal>kern.racct.enable=1</literal> to 368 &man.loader.conf.5;, and reboot the system.</para> 369 </note> 370 </sect2> 371 </sect1> 372 373 <sect1 xml:id="drivers"> 374 <title>Devices and Drivers</title> 375 376 <para>This section covers changes and additions to devices and 377 device drivers since &release.prev;.</para> 378 379 <sect2 xml:id="drivers-device"> 380 <title>Device Drivers</title> 381 382 <para revision="282199">The <literal>drm</literal> code has 383 been updated to match &linux; version 3.8.13.</para> 384 </sect2> 385 386 <sect2 xml:id="drivers-storage"> 387 <title>Storage Drivers</title> 388 389 <para revision="281957">The &man.hptnr.4; driver has been 390 updated to version 1.1.1.</para> 391 </sect2> 392 393 <sect2 xml:id="drivers-network"> 394 <title>Network Drivers</title> 395 396 <para> </para> 397 </sect2> 398 </sect1> 399 400 <sect1 xml:id="hardware"> 401 <title>Hardware Support</title> 402 403 <para>This section covers general hardware support for physical 404 machines, hypervisors, and virtualization environments, as well 405 as hardware changes and updates that do not otherwise fit in 406 other sections of this document.</para> 407 408 <sect2 xml:id="hardware-support"> 409 <title>Hardware Support</title> 410 411 <para> </para> 412 </sect2> 413 414 <sect2 xml:id="hardware-virtualization"> 415 <title>Virtualization Support</title> 416 417 <para revision="280370">The &man.bhyve.8; hypervisor has been 418 updated to support <literal>DSM TRIM</literal> commands for 419 virtual <acronym>AHCI</acronym> disks.</para> 420 421 <para revision="283280" contrib="sponsor" sponsor="&msostc;">The 422 Hyper-V™ drivers have been updated with several 423 enhancements:</para> 424 425 <itemizedlist> 426 <listitem> 427 <para>The &man.hv.vmbus.4; driver now has multi-channel 428 support.</para> 429 </listitem> 430 431 <listitem> 432 <para>The &man.hv.storvsc.4; driver now has scatter/gather 433 support, in addition to performance improvements.</para> 434 </listitem> 435 436 <listitem> 437 <para>The &man.hv.kvp.4; driver has received several bug 438 fixes.</para> 439 </listitem> 440 </itemizedlist> 441 442 <para revision="285236" contrib="sponsor" sponsor="&msostc;">The 443 &man.hv.netvsc.4; driver has been updated to support checksum 444 offloading and <acronym>TSO</acronym>.</para> 445 </sect2> 446 447 <sect2 xml:id="hardware-arm"> 448 <title>ARM Support</title> 449 450 <para revision="278608">The <literal>bcm2835_cpufreq</literal> 451 driver has been added, which supports <acronym>CPU</acronym> 452 frequency and voltage control on the Raspberry Pi 453 <acronym>SOC</acronym>.</para> 454 </sect2> 455 </sect1> 456 457 <sect1 xml:id="storage"> 458 <title>Storage</title> 459 460 <para>This section covers changes and additions to file systems 461 and other storage subsystems, both local and networked.</para> 462 463 <sect2 xml:id="storage-general"> 464 <title>General Storage</title> 465 466 <para revision="279002" contrib="sponsor" sponsor="&ix;">The 467 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 468 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 469 with a new mechanism that works for any port.</para> 470 471 <para revision="279055" contrib="sponsor" sponsor="&ix;">The 472 &man.ctld.8; utility has been updated to allow controlling 473 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 474 475 <para revision="283223" contrib="sponsor" sponsor="&ff;">The 476 &man.autofs.5; subsystem has been updated to include a new 477 &man.auto.master.5; map, <literal>-media</literal>, which 478 allows automatically mounting removable media, such as 479 <acronym>CD</acronym> drives or <acronym>USB</acronym> flash 480 drives.</para> 481 482 <para revision="283242" contrib="sponsor" sponsor="&ff;">The 483 &man.autofs.5; subsystem has been updated to include a new 484 &man.auto.master.5; map, <literal>-noauto</literal>, which 485 handles &man.fstab.5; entries set to 486 <literal>noauto</literal>.</para> 487 </sect2> 488 489 <sect2 xml:id="storage-net"> 490 <title>Networked Storage</title> 491 492 <para revision="274939" contrib="sponsor" sponsor="&ix;">The 493 &man.ctld.8; utility has been updated to include support for 494 registering <acronym>iSCSI</acronym> targets and portals on 495 <acronym>iSNS</acronym> servers. This provides a mechanism 496 which allows <acronym>iSCSI</acronym> initiators to find 497 targets and portals without requiring active 498 discovery.</para> 499 </sect2> 500 501 <sect2 xml:id="storage-zfs"> 502 <title>ZFS</title> 503 504 <para revision="275490">A new tunable, 505 <literal>vfs.zfs.spa_slop_shift</literal>, has been added, 506 which controls how much space is reserved by default.</para> 507 508 <para revision="277583">The <literal>arc_meta_limit</literal> 509 statistics are now visible through the 510 <literal>kstat</literal> &man.sysctl.8;. As a result of this 511 change, the <literal>vfs.zfs.arc_meta_used</literal> 512 &man.sysctl.8; has been removed, and replaced with the 513 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 514 &man.sysctl.8;.</para> 515 </sect2> 516 517 <sect2 xml:id="storage-geom"> 518 <title>&man.geom.4;</title> 519 520 <para revision="275891" contrib="sponsor" sponsor="&ix;">The 521 &man.ctl.4; subsystem has been updated, increasing the ports 522 limit from <literal>128</literal> to <literal>256</literal>, 523 and <acronym>LUN</acronym> limit from <literal>256</literal> 524 to <literal>1024</literal>.</para> 525 </sect2> 526 </sect1> 527 528 <sect1 xml:id="boot"> 529 <title>Boot Loader Changes</title> 530 531 <para>This section covers the boot loader, boot menu, and other 532 boot-related changes.</para> 533 534 <sect2 xml:id="boot-loader"> 535 <title>Boot Loader Changes</title> 536 537 <para revision="281843">The boot loader has been updated to 538 support entering the <acronym>GELI</acronym> passphrase before 539 loading the kernel. To enable this behavior, add 540 <literal>geom_eli_passphrase_prompt="YES"</literal> to 541 &man.loader.conf.5;.</para> 542 543 <para revision="283262" contrib="sponsor" sponsor="&ff;">The 544 memory test run at boot time on &os;/&arch.amd64; platforms 545 has been disabled by default.</para> 546 </sect2> 547 548 <sect2 xml:id="boot-menu"> 549 <title>Boot Menu Changes</title> 550 551 <para> </para> 552 </sect2> 553 </sect1> 554 555 <sect1 xml:id="network"> 556 <title>Networking</title> 557 558 <para>This section describes changes that affect networking in 559 &os;.</para> 560 561 <sect2 xml:id="network-protocols"> 562 <title>Network Procols</title> 563 564 <para> </para> 565 </sect2> 566 </sect1> 567 568 <sect1 xml:id="ports"> 569 <title>Ports Collection and Package Infrastructure</title> 570 571 <para>This section covers changes to the &os; Ports 572 Collection, package infrastructure, and package maintenance and 573 installation tools.</para> 574 575 <sect2 xml:id="ports-infrastructure"> 576 <title>Infrastructure Changes</title> 577 578 <para> </para> 579 </sect2> 580 581 <sect2 xml:id="ports-packages "> 582 <title>Packaging Changes</title> 583 584 <para> </para> 585 </sect2> 586 </sect1> 587 588 <sect1 xml:id="doc"> 589 <title>Documentation</title> 590 591 <para>This section covers changes to the &os; Documentation 592 Project sources and toolchain.</para> 593 594 <sect2 xml:id="doc-sources"> 595 <title>Documentation Source Changes</title> 596 597 <para> </para> 598 </sect2> 599 600 <sect2 xml:id="doc-toolchain"> 601 <title>Documentation Toolchain Changes</title> 602 603 <para> </para> 604 </sect2> 605 </sect1> 606 607 <sect1 xml:id="releng"> 608 <title>Release Engineering and Integration</title> 609 610 <para>This section convers changes that are specific to the 611 &os; Release Engineering processes.</para> 612 613 <sect2 xml:id="releng-changes"> 614 <title>Integration Changes</title> 615 616 <para> </para> 617 </sect2> 618 </sect1> 619</article> 620