article.xml revision 282187
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 282187 2015-04-28 18:11:47Z 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 </sect2> 220 221 <sect2 xml:id="userland-abi"> 222 <title>ABI Compatibility</title> 223 224 <para> </para> 225 </sect2> 226 </sect1> 227 228 <sect1 xml:id="kernel"> 229 <title>Kernel</title> 230 231 <para>This section covers changes to kernel configurations, system 232 tuning, and system control parameters that are not otherwise 233 categorized.</para> 234 235 <sect2 xml:id="kernel-bugfix"> 236 <title>Kernel Bug Fixes</title> 237 238 <para> </para> 239 </sect2> 240 241 <sect2 xml:id="kernel-config"> 242 <title>Kernel Configuration</title> 243 244 <para> </para> 245 </sect2> 246 247 <sect2 xml:id="kernel-sysctl"> 248 <title>System Tuning and Controls</title> 249 250 <para revision="276986">Throttling via <acronym>ACPI</acronym> 251 and <acronym>P4TCC</acronym> via &man.device.hints.5; have 252 been turned off by default.</para> 253 254 <para revision="278982" contrib="sponsor" sponsor="&ff;">The 255 &man.hwpmc.4; default and maximum callchain depths have been 256 increased. The default has been increased from 16 to 32, and 257 the maximum increased from 32 to 128.</para> 258 </sect2> 259 </sect1> 260 261 <sect1 xml:id="drivers"> 262 <title>Devices and Drivers</title> 263 264 <para>This section covers changes and additions to devices and 265 device drivers since &release.prev;.</para> 266 267 <sect2 xml:id="drivers-device"> 268 <title>Device Drivers</title> 269 270 <para> </para> 271 </sect2> 272 273 <sect2 xml:id="drivers-storage"> 274 <title>Storage Drivers</title> 275 276 <para> </para> 277 </sect2> 278 279 <sect2 xml:id="drivers-network"> 280 <title>Network Drivers</title> 281 282 <para> </para> 283 </sect2> 284 </sect1> 285 286 <sect1 xml:id="hardware"> 287 <title>Hardware Support</title> 288 289 <para>This section covers general hardware support for physical 290 machines, hypervisors, and virtualization environments, as well 291 as hardware changes and updates that do not otherwise fit in 292 other sections of this document.</para> 293 294 <sect2 xml:id="hardware-support"> 295 <title>Hardware Support</title> 296 297 <para> </para> 298 </sect2> 299 300 <sect2 xml:id="hardware-virtualization"> 301 <title>Virtualization Support</title> 302 303 <para revision="280370">The &man.bhyve.8; hypervisor has been 304 updated to support <literal>DSM TRIM</literal> commands for 305 virtual <acronym>AHCI</acronym> disks.</para> 306 </sect2> 307 308 <sect2 xml:id="hardware-arm"> 309 <title>ARM Support</title> 310 311 <para> </para> 312 </sect2> 313 </sect1> 314 315 <sect1 xml:id="storage"> 316 <title>Storage</title> 317 318 <para>This section covers changes and additions to file systems 319 and other storage subsystems, both local and networked.</para> 320 321 <sect2 xml:id="storage-general"> 322 <title>General Storage</title> 323 <para revision="279002" contrib="sponsor" sponsor="&ix;">The 324 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 325 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 326 with a new mechanism that works for any port.</para> 327 328 <para revision="279055" contrib="sponsor" sponsor="&ix;">The 329 &man.ctld.8; utility has been updated to allow controlling 330 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 331 </sect2> 332 333 <sect2 xml:id="storage-net"> 334 <title>Networked Storage</title> 335 336 <para revision="274939" contrib="sponsor" sponsor="&ix;">The 337 &man.ctld.8; utility has been updated to include support for 338 registering <acronym>iSCSI</acronym> targets and portals on 339 <acronym>iSNS</acronym> servers. This provides a mechanism 340 which allows <acronym>iSCSI</acronym> initiators to find 341 targets and portals without requiring active 342 discovery.</para> 343 </sect2> 344 345 <sect2 xml:id="storage-zfs"> 346 <title>ZFS</title> 347 348 <para revision="275490">A new tunable, 349 <literal>vfs.zfs.spa_slop_shift</literal>, has been added, 350 which controls how much space is reserved by default.</para> 351 352 <para revision="277583">The <literal>arc_meta_limit</literal> 353 statistics are now visible through the 354 <literal>kstat</literal> &man.sysctl.8;. As a result of this 355 change, the <literal>vfs.zfs.arc_meta_used</literal> 356 &man.sysctl.8; has been removed, and replaced with the 357 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 358 &man.sysctl.8;.</para> 359 </sect2> 360 361 <sect2 xml:id="storage-geom"> 362 <title>&man.geom.4;</title> 363 364 <para revision="275891" contrib="sponsor" sponsor="&ix;">The 365 &man.ctl.4; subsystem has been updated, increasing the ports 366 limit from <literal>128</literal> to <literal>256</literal>, 367 and <acronym>LUN</acronym> limit from <literal>256</literal> 368 to <literal>1024</literal>.</para> 369 </sect2> 370 </sect1> 371 372 <sect1 xml:id="boot"> 373 <title>Boot Loader Changes</title> 374 375 <para>This section covers the boot loader, boot menu, and other 376 boot-related changes.</para> 377 378 <sect2 xml:id="boot-loader"> 379 <title>Boot Loader Changes</title> 380 381 <para> </para> 382 </sect2> 383 384 <sect2 xml:id="boot-menu"> 385 <title>Boot Menu Changes</title> 386 387 <para> </para> 388 </sect2> 389 </sect1> 390 391 <sect1 xml:id="network"> 392 <title>Networking</title> 393 394 <para>This section describes changes that affect networking in 395 &os;.</para> 396 397 <sect2 xml:id="network-protocols"> 398 <title>Network Procols</title> 399 400 <para> </para> 401 </sect2> 402 </sect1> 403 404 <sect1 xml:id="ports"> 405 <title>Ports Collection and Package Infrastructure</title> 406 407 <para>This section covers changes to the &os; Ports 408 Collection, package infrastructure, and package maintenance and 409 installation tools.</para> 410 411 <sect2 xml:id="ports-infrastructure"> 412 <title>Infrastructure Changes</title> 413 414 <para> </para> 415 </sect2> 416 417 <sect2 xml:id="ports-packages "> 418 <title>Packaging Changes</title> 419 420 <para> </para> 421 </sect2> 422 </sect1> 423 424 <sect1 xml:id="doc"> 425 <title>Documentation</title> 426 427 <para>This section covers changes to the &os; Documentation 428 Project sources and toolchain.</para> 429 430 <sect2 xml:id="doc-sources"> 431 <title>Documentation Source Changes</title> 432 433 <para> </para> 434 </sect2> 435 436 <sect2 xml:id="doc-toolchain"> 437 <title>Documentation Toolchain Changes</title> 438 439 <para> </para> 440 </sect2> 441 </sect1> 442 443 <sect1 xml:id="releng"> 444 <title>Release Engineering and Integration</title> 445 446 <para>This section convers changes that are specific to the 447 &os; Release Engineering processes.</para> 448 449 <sect2 xml:id="releng-changes"> 450 <title>Integration Changes</title> 451 452 <para> </para> 453 </sect2> 454 </sect1> 455</article> 456