article.xml revision 282190
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 282190 2015-04-28 18:11:54Z gjb $</pubdate> 24 25 <!-- Last rev: 279055 --> 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 </sect2> 191 192 <sect2 xml:id="userland-contrib"> 193 <title>Contributed Software</title> 194 195 <para revision="280304"><application>OpenSSL</application> has 196 been updated to version 1.0.1m.</para> 197 198 <para revision="281075">The &man.acpi.4; subsystem has been 199 updated to version 20150204.</para> 200 </sect2> 201 202 <sect2 xml:id="userland-installer"> 203 <title>Installation and Configuration Tools</title> 204 205 <para> </para> 206 </sect2> 207 208 <sect2 xml:id="userland-rc"> 209 <title><filename class="directory">/etc/rc.d</filename> 210 Scripts</title> 211 212 <para> </para> 213 </sect2> 214 215 <sect2 xml:id="userland-periodic"> 216 <title><filename class="directory">/etc/periodic</filename> 217 Scripts</title> 218 219 <para> </para> 220 </sect2> 221 222 <sect2 xml:id="userland-libraries"> 223 <title>Runtime Libraries and API</title> 224 225 <para revision="275040">A new file configuration library, 226 &man.figpar.3;, has been added to the base system.</para> 227 228 <para revision="280392">The &man.setmode.3; function has been 229 updated to consistently set <literal>errno</literal> on 230 failure.</para> 231 </sect2> 232 233 <sect2 xml:id="userland-abi"> 234 <title>ABI Compatibility</title> 235 236 <para> </para> 237 </sect2> 238 </sect1> 239 240 <sect1 xml:id="kernel"> 241 <title>Kernel</title> 242 243 <para>This section covers changes to kernel configurations, system 244 tuning, and system control parameters that are not otherwise 245 categorized.</para> 246 247 <sect2 xml:id="kernel-bugfix"> 248 <title>Kernel Bug Fixes</title> 249 250 <para> </para> 251 </sect2> 252 253 <sect2 xml:id="kernel-config"> 254 <title>Kernel Configuration</title> 255 256 <para> </para> 257 </sect2> 258 259 <sect2 xml:id="kernel-sysctl"> 260 <title>System Tuning and Controls</title> 261 262 <para revision="276986">Throttling via <acronym>ACPI</acronym> 263 and <acronym>P4TCC</acronym> via &man.device.hints.5; have 264 been turned off by default.</para> 265 266 <para revision="278982" contrib="sponsor" sponsor="&ff;">The 267 &man.hwpmc.4; default and maximum callchain depths have been 268 increased. The default has been increased from 16 to 32, and 269 the maximum increased from 32 to 128.</para> 270 </sect2> 271 </sect1> 272 273 <sect1 xml:id="drivers"> 274 <title>Devices and Drivers</title> 275 276 <para>This section covers changes and additions to devices and 277 device drivers since &release.prev;.</para> 278 279 <sect2 xml:id="drivers-device"> 280 <title>Device Drivers</title> 281 282 <para> </para> 283 </sect2> 284 285 <sect2 xml:id="drivers-storage"> 286 <title>Storage Drivers</title> 287 288 <para> </para> 289 </sect2> 290 291 <sect2 xml:id="drivers-network"> 292 <title>Network Drivers</title> 293 294 <para> </para> 295 </sect2> 296 </sect1> 297 298 <sect1 xml:id="hardware"> 299 <title>Hardware Support</title> 300 301 <para>This section covers general hardware support for physical 302 machines, hypervisors, and virtualization environments, as well 303 as hardware changes and updates that do not otherwise fit in 304 other sections of this document.</para> 305 306 <sect2 xml:id="hardware-support"> 307 <title>Hardware Support</title> 308 309 <para> </para> 310 </sect2> 311 312 <sect2 xml:id="hardware-virtualization"> 313 <title>Virtualization Support</title> 314 315 <para revision="280370">The &man.bhyve.8; hypervisor has been 316 updated to support <literal>DSM TRIM</literal> commands for 317 virtual <acronym>AHCI</acronym> disks.</para> 318 </sect2> 319 320 <sect2 xml:id="hardware-arm"> 321 <title>ARM Support</title> 322 323 <para> </para> 324 </sect2> 325 </sect1> 326 327 <sect1 xml:id="storage"> 328 <title>Storage</title> 329 330 <para>This section covers changes and additions to file systems 331 and other storage subsystems, both local and networked.</para> 332 333 <sect2 xml:id="storage-general"> 334 <title>General Storage</title> 335 <para revision="279002" contrib="sponsor" sponsor="&ix;">The 336 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 337 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 338 with a new mechanism that works for any port.</para> 339 340 <para revision="279055" contrib="sponsor" sponsor="&ix;">The 341 &man.ctld.8; utility has been updated to allow controlling 342 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 343 </sect2> 344 345 <sect2 xml:id="storage-net"> 346 <title>Networked Storage</title> 347 348 <para revision="274939" contrib="sponsor" sponsor="&ix;">The 349 &man.ctld.8; utility has been updated to include support for 350 registering <acronym>iSCSI</acronym> targets and portals on 351 <acronym>iSNS</acronym> servers. This provides a mechanism 352 which allows <acronym>iSCSI</acronym> initiators to find 353 targets and portals without requiring active 354 discovery.</para> 355 </sect2> 356 357 <sect2 xml:id="storage-zfs"> 358 <title>ZFS</title> 359 360 <para revision="275490">A new tunable, 361 <literal>vfs.zfs.spa_slop_shift</literal>, has been added, 362 which controls how much space is reserved by default.</para> 363 364 <para revision="277583">The <literal>arc_meta_limit</literal> 365 statistics are now visible through the 366 <literal>kstat</literal> &man.sysctl.8;. As a result of this 367 change, the <literal>vfs.zfs.arc_meta_used</literal> 368 &man.sysctl.8; has been removed, and replaced with the 369 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 370 &man.sysctl.8;.</para> 371 </sect2> 372 373 <sect2 xml:id="storage-geom"> 374 <title>&man.geom.4;</title> 375 376 <para revision="275891" contrib="sponsor" sponsor="&ix;">The 377 &man.ctl.4; subsystem has been updated, increasing the ports 378 limit from <literal>128</literal> to <literal>256</literal>, 379 and <acronym>LUN</acronym> limit from <literal>256</literal> 380 to <literal>1024</literal>.</para> 381 </sect2> 382 </sect1> 383 384 <sect1 xml:id="boot"> 385 <title>Boot Loader Changes</title> 386 387 <para>This section covers the boot loader, boot menu, and other 388 boot-related changes.</para> 389 390 <sect2 xml:id="boot-loader"> 391 <title>Boot Loader Changes</title> 392 393 <para> </para> 394 </sect2> 395 396 <sect2 xml:id="boot-menu"> 397 <title>Boot Menu Changes</title> 398 399 <para> </para> 400 </sect2> 401 </sect1> 402 403 <sect1 xml:id="network"> 404 <title>Networking</title> 405 406 <para>This section describes changes that affect networking in 407 &os;.</para> 408 409 <sect2 xml:id="network-protocols"> 410 <title>Network Procols</title> 411 412 <para> </para> 413 </sect2> 414 </sect1> 415 416 <sect1 xml:id="ports"> 417 <title>Ports Collection and Package Infrastructure</title> 418 419 <para>This section covers changes to the &os; Ports 420 Collection, package infrastructure, and package maintenance and 421 installation tools.</para> 422 423 <sect2 xml:id="ports-infrastructure"> 424 <title>Infrastructure Changes</title> 425 426 <para> </para> 427 </sect2> 428 429 <sect2 xml:id="ports-packages "> 430 <title>Packaging Changes</title> 431 432 <para> </para> 433 </sect2> 434 </sect1> 435 436 <sect1 xml:id="doc"> 437 <title>Documentation</title> 438 439 <para>This section covers changes to the &os; Documentation 440 Project sources and toolchain.</para> 441 442 <sect2 xml:id="doc-sources"> 443 <title>Documentation Source Changes</title> 444 445 <para> </para> 446 </sect2> 447 448 <sect2 xml:id="doc-toolchain"> 449 <title>Documentation Toolchain Changes</title> 450 451 <para> </para> 452 </sect2> 453 </sect1> 454 455 <sect1 xml:id="releng"> 456 <title>Release Engineering and Integration</title> 457 458 <para>This section convers changes that are specific to the 459 &os; Release Engineering processes.</para> 460 461 <sect2 xml:id="releng-changes"> 462 <title>Integration Changes</title> 463 464 <para> </para> 465 </sect2> 466 </sect1> 467</article> 468