article.xml revision 282188
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 282188 2015-04-28 18:11:49Z 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 </sect2> 186 187 <sect2 xml:id="userland-contrib"> 188 <title>Contributed Software</title> 189 190 <para revision="280304"><application>OpenSSL</application> has 191 been updated to version 1.0.1m.</para> 192 </sect2> 193 194 <sect2 xml:id="userland-installer"> 195 <title>Installation and Configuration Tools</title> 196 197 <para> </para> 198 </sect2> 199 200 <sect2 xml:id="userland-rc"> 201 <title><filename class="directory">/etc/rc.d</filename> 202 Scripts</title> 203 204 <para> </para> 205 </sect2> 206 207 <sect2 xml:id="userland-periodic"> 208 <title><filename class="directory">/etc/periodic</filename> 209 Scripts</title> 210 211 <para> </para> 212 </sect2> 213 214 <sect2 xml:id="userland-libraries"> 215 <title>Runtime Libraries and API</title> 216 217 <para revision="275040">A new file configuration library, 218 &man.figpar.3;, has been added to the base system.</para> 219 220 <para revision="280392">The &man.setmode.3; function has been 221 updated to consistently set <literal>errno</literal> on 222 failure.</para> 223 </sect2> 224 225 <sect2 xml:id="userland-abi"> 226 <title>ABI Compatibility</title> 227 228 <para> </para> 229 </sect2> 230 </sect1> 231 232 <sect1 xml:id="kernel"> 233 <title>Kernel</title> 234 235 <para>This section covers changes to kernel configurations, system 236 tuning, and system control parameters that are not otherwise 237 categorized.</para> 238 239 <sect2 xml:id="kernel-bugfix"> 240 <title>Kernel Bug Fixes</title> 241 242 <para> </para> 243 </sect2> 244 245 <sect2 xml:id="kernel-config"> 246 <title>Kernel Configuration</title> 247 248 <para> </para> 249 </sect2> 250 251 <sect2 xml:id="kernel-sysctl"> 252 <title>System Tuning and Controls</title> 253 254 <para revision="276986">Throttling via <acronym>ACPI</acronym> 255 and <acronym>P4TCC</acronym> via &man.device.hints.5; have 256 been turned off by default.</para> 257 258 <para revision="278982" contrib="sponsor" sponsor="&ff;">The 259 &man.hwpmc.4; default and maximum callchain depths have been 260 increased. The default has been increased from 16 to 32, and 261 the maximum increased from 32 to 128.</para> 262 </sect2> 263 </sect1> 264 265 <sect1 xml:id="drivers"> 266 <title>Devices and Drivers</title> 267 268 <para>This section covers changes and additions to devices and 269 device drivers since &release.prev;.</para> 270 271 <sect2 xml:id="drivers-device"> 272 <title>Device Drivers</title> 273 274 <para> </para> 275 </sect2> 276 277 <sect2 xml:id="drivers-storage"> 278 <title>Storage Drivers</title> 279 280 <para> </para> 281 </sect2> 282 283 <sect2 xml:id="drivers-network"> 284 <title>Network Drivers</title> 285 286 <para> </para> 287 </sect2> 288 </sect1> 289 290 <sect1 xml:id="hardware"> 291 <title>Hardware Support</title> 292 293 <para>This section covers general hardware support for physical 294 machines, hypervisors, and virtualization environments, as well 295 as hardware changes and updates that do not otherwise fit in 296 other sections of this document.</para> 297 298 <sect2 xml:id="hardware-support"> 299 <title>Hardware Support</title> 300 301 <para> </para> 302 </sect2> 303 304 <sect2 xml:id="hardware-virtualization"> 305 <title>Virtualization Support</title> 306 307 <para revision="280370">The &man.bhyve.8; hypervisor has been 308 updated to support <literal>DSM TRIM</literal> commands for 309 virtual <acronym>AHCI</acronym> disks.</para> 310 </sect2> 311 312 <sect2 xml:id="hardware-arm"> 313 <title>ARM Support</title> 314 315 <para> </para> 316 </sect2> 317 </sect1> 318 319 <sect1 xml:id="storage"> 320 <title>Storage</title> 321 322 <para>This section covers changes and additions to file systems 323 and other storage subsystems, both local and networked.</para> 324 325 <sect2 xml:id="storage-general"> 326 <title>General Storage</title> 327 <para revision="279002" contrib="sponsor" sponsor="&ix;">The 328 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 329 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 330 with a new mechanism that works for any port.</para> 331 332 <para revision="279055" contrib="sponsor" sponsor="&ix;">The 333 &man.ctld.8; utility has been updated to allow controlling 334 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 335 </sect2> 336 337 <sect2 xml:id="storage-net"> 338 <title>Networked Storage</title> 339 340 <para revision="274939" contrib="sponsor" sponsor="&ix;">The 341 &man.ctld.8; utility has been updated to include support for 342 registering <acronym>iSCSI</acronym> targets and portals on 343 <acronym>iSNS</acronym> servers. This provides a mechanism 344 which allows <acronym>iSCSI</acronym> initiators to find 345 targets and portals without requiring active 346 discovery.</para> 347 </sect2> 348 349 <sect2 xml:id="storage-zfs"> 350 <title>ZFS</title> 351 352 <para revision="275490">A new tunable, 353 <literal>vfs.zfs.spa_slop_shift</literal>, has been added, 354 which controls how much space is reserved by default.</para> 355 356 <para revision="277583">The <literal>arc_meta_limit</literal> 357 statistics are now visible through the 358 <literal>kstat</literal> &man.sysctl.8;. As a result of this 359 change, the <literal>vfs.zfs.arc_meta_used</literal> 360 &man.sysctl.8; has been removed, and replaced with the 361 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 362 &man.sysctl.8;.</para> 363 </sect2> 364 365 <sect2 xml:id="storage-geom"> 366 <title>&man.geom.4;</title> 367 368 <para revision="275891" contrib="sponsor" sponsor="&ix;">The 369 &man.ctl.4; subsystem has been updated, increasing the ports 370 limit from <literal>128</literal> to <literal>256</literal>, 371 and <acronym>LUN</acronym> limit from <literal>256</literal> 372 to <literal>1024</literal>.</para> 373 </sect2> 374 </sect1> 375 376 <sect1 xml:id="boot"> 377 <title>Boot Loader Changes</title> 378 379 <para>This section covers the boot loader, boot menu, and other 380 boot-related changes.</para> 381 382 <sect2 xml:id="boot-loader"> 383 <title>Boot Loader Changes</title> 384 385 <para> </para> 386 </sect2> 387 388 <sect2 xml:id="boot-menu"> 389 <title>Boot Menu Changes</title> 390 391 <para> </para> 392 </sect2> 393 </sect1> 394 395 <sect1 xml:id="network"> 396 <title>Networking</title> 397 398 <para>This section describes changes that affect networking in 399 &os;.</para> 400 401 <sect2 xml:id="network-protocols"> 402 <title>Network Procols</title> 403 404 <para> </para> 405 </sect2> 406 </sect1> 407 408 <sect1 xml:id="ports"> 409 <title>Ports Collection and Package Infrastructure</title> 410 411 <para>This section covers changes to the &os; Ports 412 Collection, package infrastructure, and package maintenance and 413 installation tools.</para> 414 415 <sect2 xml:id="ports-infrastructure"> 416 <title>Infrastructure Changes</title> 417 418 <para> </para> 419 </sect2> 420 421 <sect2 xml:id="ports-packages "> 422 <title>Packaging Changes</title> 423 424 <para> </para> 425 </sect2> 426 </sect1> 427 428 <sect1 xml:id="doc"> 429 <title>Documentation</title> 430 431 <para>This section covers changes to the &os; Documentation 432 Project sources and toolchain.</para> 433 434 <sect2 xml:id="doc-sources"> 435 <title>Documentation Source Changes</title> 436 437 <para> </para> 438 </sect2> 439 440 <sect2 xml:id="doc-toolchain"> 441 <title>Documentation Toolchain Changes</title> 442 443 <para> </para> 444 </sect2> 445 </sect1> 446 447 <sect1 xml:id="releng"> 448 <title>Release Engineering and Integration</title> 449 450 <para>This section convers changes that are specific to the 451 &os; Release Engineering processes.</para> 452 453 <sect2 xml:id="releng-changes"> 454 <title>Integration Changes</title> 455 456 <para> </para> 457 </sect2> 458 </sect1> 459</article> 460