article.xml revision 266343
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]> 7<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"> 8<info> 9 <title>&os; &release.current; Release Notes</title> 10 11 <author> 12 <orgname>The &os; Project</orgname> 13 </author> 14 15 <pubdate>$FreeBSD: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 266343 2014-05-17 19:45:40Z gjb $</pubdate> 16 17 <copyright> 18 <year>2000</year> 19 <year>2001</year> 20 <year>2002</year> 21 <year>2003</year> 22 <year>2004</year> 23 <year>2005</year> 24 <year>2006</year> 25 <year>2007</year> 26 <year>2008</year> 27 <year>2009</year> 28 <year>2010</year> 29 <year>2011</year> 30 <year>2012</year> 31 <year>2013</year> 32 <year>2014</year> 33 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation Project</holder> 34 </copyright> 35 36 <legalnotice xml:id="trademarks" role="trademarks"> 37 &tm-attrib.freebsd; 38 &tm-attrib.ibm; 39 &tm-attrib.ieee; 40 &tm-attrib.intel; 41 &tm-attrib.sparc; 42 &tm-attrib.general; 43 </legalnotice> 44 45 <abstract> 46 <para>The release notes for &os; &release.current; contain 47 a summary of the changes made to the &os; base system on the 48 &release.branch; development line. This document lists 49 applicable security advisories that were issued since the last 50 release, as well as significant changes to the &os; kernel and 51 userland. Some brief remarks on upgrading are also 52 presented.</para> 53 </abstract> 54</info> 55 56<sect1 xml:id="intro"> 57 <title>Introduction</title> 58 59 <para>This document contains the release notes for &os; 60 &release.current;. It describes recently added, changed, or 61 deleted features of &os;. It also provides some notes on 62 upgrading from previous versions of &os;.</para> 63 64 <para releasetype="current">The &release.type; distribution to which 65 these release notes apply represents the latest point along the 66 &release.branch; development branch since &release.branch; was 67 created. Information regarding pre-built, binary &release.type; 68 distributions along this branch can be found at <uri 69 xlink:href="&release.url;">&release.url;</uri>.</para> 70 71 <para releasetype="snapshot">The &release.type; distribution to 72 which these release notes apply represents a point along the 73 &release.branch; development branch between &release.prev; and the 74 future &release.next;. Information regarding pre-built, binary 75 &release.type; distributions along this branch can be found at 76 <uri xlink:href="&release.url;">&release.url;</uri>.</para> 77 78 <para releasetype="release">This distribution of &os; 79 &release.current; is a &release.type; distribution. It can be 80 found at <uri xlink:href="&release.url;">&release.url;</uri> or 81 any of its mirrors. More information on obtaining this (or other) 82 &release.type; distributions of &os; can be found in the <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; Handbook</link>.</para> 86 87 <para>All users are encouraged to consult the release errata before 88 installing &os;. The errata document is updated with 89 <quote>late-breaking</quote> information discovered late in the 90 release cycle or after the release. Typically, it contains 91 information on known bugs, security advisories, and corrections to 92 documentation. An up-to-date copy of the errata for &os; 93 &release.current; can be found on the &os; Web site.</para> 94</sect1> 95 96<sect1 xml:id="new"> 97 <title>What's New</title> 98 99 <para>This section describes the most user-visible new or changed 100 features in &os; since &release.prev;.</para> 101 102 <para>Typical release note items document recent security advisories 103 issued after &release.prev;, new drivers or hardware support, new 104 commands or options, major bug fixes, or contributed software 105 upgrades. They may also list changes to major ports/packages or 106 release engineering practices. Clearly the release notes cannot 107 list every single change made to &os; between releases; this 108 document focuses primarily on security advisories, user-visible 109 changes, and major architectural improvements.</para> 110 111 <sect2 xml:id="security"> 112 <title>Security Advisories</title> 113 114 <para> </para> 115 116 </sect2> 117 118 <sect2 xml:id="kernel"> 119 <title>Kernel Changes</title> 120 121 <para revision="260338">The <literal>vfs.zfs.zio.use_uma</literal> 122 &man.sysctl.8; has been re-enabled. On multi-CPU machines with 123 enough RAM, this can easily double &man.zfs.8; performance or 124 reduce CPU usage in half. It was originally disabled due to 125 memory and <acronym>KVA</acronym> exhastion problem reports, 126 which should be resolved due to several change in the VM 127 subsystem.</para> 128 129 <para revision="260385">The &man.geom.4; RAID driver has been 130 updated to support unmapped I/O.</para> 131 132 <para revision="260431">A new &man.sysctl.8;, 133 <literal>kern.panic_reboot_wait_time</literal>, has been added, 134 which allows controlling how long the system will wait after 135 &man.panic.9; before rebooting.</para> 136 137 <para revision="265388">The &man.mpr.4; device has been added, 138 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA 139 controllers.</para> 140 141 <para revision="265922">The &man.mrsas.4; driver has been added, 142 providing support for LSI MegaRAID SAS controllers. The 143 &man.mfi.4; driver will attach to the controller, by default. 144 To enable &man.mrsas.4; add 145 <literal>hw.mfi.mrsas_enable=1</literal> to 146 <filename>/boot/loader.conf</filename>, which turns off 147 &man.mfi.4; device probing.</para> 148 149 <note> 150 <para>At this time, the &man.mfiutil.8; utility and 151 the &os; version of 152 <application>MegaCLI</application> and 153 <application>StorCli</application> do not work with 154 &man.mrsas.4;.</para> 155 </note> 156 157 <para revision="266165">A kernel bug that inhibited proper 158 functionality of the <literal>dev.cpu.0.freq</literal> 159 &man.sysctl.8; on &intel; processors with Turbo 160 Boost ™ enabled has been fixed.</para> 161 162 <sect3 xml:id="kernel-virtualization"> 163 <title>Virtualization support</title> 164 165 <para> </para> 166 167 </sect3> 168 169 <sect3 xml:id="kernel-arm"> 170 <title>ARM support</title> 171 172 <para> </para> 173 174 </sect3> 175 176 <sect3 xml:id="boot"> 177 <title>Boot Loader Changes</title> 178 179 <para> </para> 180 181 </sect3> 182 183 <sect3 xml:id="proc"> 184 <title>Hardware Support</title> 185 186 <para> </para> 187 188 <sect4 xml:id="mm"> 189 <title>Multimedia Support</title> 190 191 <para> </para> 192 193 </sect4> 194 195 <sect4 xml:id="net-if"> 196 <title>Network Interface Support</title> 197 198 <para> </para> 199 200 </sect4> 201 </sect3> 202 203 <sect3 xml:id="net-proto"> 204 <title>Network Protocols</title> 205 206 <para> </para> 207 208 </sect3> 209 210 <sect3 xml:id="disks"> 211 <title>Disks and Storage</title> 212 213 <para> </para> 214 215 </sect3> 216 217 <sect3 xml:id="fs"> 218 <title>File Systems</title> 219 220 <para> </para> 221 222 </sect3> 223 </sect2> 224 225 <sect2 xml:id="userland"> 226 <title>Userland Changes</title> 227 228 <para revision="260177">A new flag is added to &man.camcontrol.8;, 229 <literal>-b</literal>, which outputs the existing buses and 230 their parents.</para> 231 232 <sect3 xml:id="rc-scripts"> 233 <title><filename>/etc/rc.d</filename> Scripts</title> 234 235 <para> </para> 236 237 </sect3> 238 </sect2> 239 240 <sect2 xml:id="contrib"> 241 <title>Contributed Software</title> 242 243 <para revision="264377"><application>OpenSSH</application> has 244 been updated to version 6.6p1.</para> 245 246 </sect2> 247 248 <sect2 xml:id="ports"> 249 <title>Ports/Packages Collection Infrastructure</title> 250 251 <para> </para> 252 253 </sect2> 254 255 <sect2 xml:id="releng"> 256 <title>Release Engineering and Integration</title> 257 258 <para> </para> 259 260 </sect2> 261 262 <sect2 xml:id="doc"> 263 <title>Documentation</title> 264 265 <para> </para> 266 267 </sect2> 268</sect1> 269 270<sect1 xml:id="upgrade"> 271 <title>Upgrading from Previous Releases of &os;</title> 272 273 <para arch="amd64,i386">Binary upgrades between RELEASE versions 274 (and snapshots of the various security branches) are supported 275 using the &man.freebsd-update.8; utility. The binary upgrade 276 procedure will update unmodified userland utilities, as well as 277 unmodified GENERIC or SMP kernels distributed as a part of an 278 official &os; release. The &man.freebsd-update.8; utility 279 requires that the host being upgraded have Internet 280 connectivity.</para> 281 282 <para>Source-based upgrades (those based on recompiling the &os; 283 base system from source code) from previous versions are 284 supported, according to the instructions in 285 <filename>/usr/src/UPDATING</filename>.</para> 286 287 <important> 288 <para>Upgrading &os; should only be attempted after 289 backing up <emphasis>all</emphasis> data and configuration 290 files.</para> 291 </important> 292</sect1> 293</article> 294