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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><title>&os; &release.current; Release Notes</title> 9 10 11 <author><orgname>The &os; Project</orgname></author> 12 13 <pubdate>$FreeBSD: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 257814 2013-11-07 21:08:12Z gjb $</pubdate> 14 15 <copyright> 16 <year>2000</year> 17 <year>2001</year> 18 <year>2002</year> 19 <year>2003</year> 20 <year>2004</year> 21 <year>2005</year> 22 <year>2006</year> 23 <year>2007</year> 24 <year>2008</year> 25 <year>2009</year> 26 <year>2010</year> 27 <year>2011</year> 28 <year>2012</year> 29 <year>2013</year> 30 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation 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 a summary 44 of the changes made to the &os; base system on the 45 &release.branch; development line. 46 This document lists applicable security advisories that were issued since 47 the last release, as well as significant changes to the &os; 48 kernel and userland. 49 Some brief remarks on upgrading are also 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 58 describes recently added, changed, or deleted features of &os;. 59 It also provides some notes on upgrading 60 from previous versions of &os;.</para> 61 62 <para releasetype="current">The &release.type; distribution to which these release notes 63 apply represents the latest point along the &release.branch; development 64 branch since &release.branch; was created. Information regarding pre-built, binary 65 &release.type; distributions along this branch 66 can be found at <uri xlink:href="&release.url;">&release.url;</uri>.</para> 67 68 <para releasetype="snapshot">The &release.type; distribution to which these release notes 69 apply represents a point along the &release.branch; development 70 branch between &release.prev; and the future &release.next;. 71 Information regarding 72 pre-built, binary &release.type; distributions along this branch 73 can be found at <uri xlink:href="&release.url;">&release.url;</uri>.</para> 74 75 <para releasetype="release">This distribution of &os; &release.current; is a 76 &release.type; distribution. It can be found at <uri xlink:href="&release.url;">&release.url;</uri> or any of its mirrors. More 77 information on obtaining this (or other) &release.type; 78 distributions of &os; can be found in the <link xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining 79 &os;</quote> appendix</link> to the <link xlink:href="&url.books.handbook;/">&os; 80 Handbook</link>.</para> 81 82 <para>All users are encouraged to consult the release errata before 83 installing &os;. The errata document is updated with 84 <quote>late-breaking</quote> information discovered late in the 85 release cycle or after the release. Typically, it contains 86 information on known bugs, security advisories, and corrections to 87 documentation. An up-to-date copy of the errata for &os; 88 &release.current; can be found on the &os; Web site.</para> 89 90</sect1> 91 92<sect1 xml:id="new"> 93 <title>What's New</title> 94 95 <para>This section describes 96 the most user-visible new or changed features in &os; 97 since &release.prev;. 98 In general, changes described here are unique to the &release.branch; 99 branch unless specifically marked as &merged; features. 100 </para> 101 102 <para>Typical release note items 103 document recent security advisories issued after 104 &release.prev;, 105 new drivers or hardware support, new commands or options, 106 major bug fixes, or contributed software upgrades. They may also 107 list changes to major ports/packages or release engineering 108 practices. Clearly the release notes cannot list every single 109 change made to &os; between releases; this document focuses 110 primarily on security advisories, user-visible changes, and major 111 architectural improvements.</para> 112 113 <sect2 xml:id="security"> 114 <title>Security Advisories</title> 115 116 <para/> 117 118 </sect2> 119 120 <sect2 xml:id="kernel"> 121 <title>Kernel Changes</title> 122 123 <para>A new &man.cpuset.2; API has been added 124 for thread to CPU binding and CPU resource grouping and 125 assignment. The &man.cpuset.1; userland utility has been added 126 to allow manipulation of processor sets.</para> 127 128 <para role="merged">The &man.ddb.4; kernel debugger now has an output capture 129 facility. Input and output from &man.ddb.4; can now be captured 130 to a memory buffer for later inspection using &man.sysctl.8; or 131 a textdump. The new <command>capture</command> command controls 132 this feature.</para> 133 134 <para role="merged">The &man.ddb.4; debugger now supports a simple scripting 135 facility, which supports a set of named scripts consisting of a 136 set of &man.ddb.4; commands. These commands can be managed from 137 within &man.ddb.4; or with the use of the new &man.ddb.8; 138 utility. More details can be found in the &man.ddb.4; manual 139 page.</para> 140 141 <para role="merged">The kernel now supports a new textdump format of kernel 142 dumps. A textdump provides higher-level information via 143 mechanically generated/extracted debugging output, rather than a 144 simple memory dump. This facility can be used to generate brief 145 kernel bug reports that are rich in debugging information, but 146 are not dependent on kernel symbol tables or precisely 147 synchronized source code. More information can be found in the 148 &man.textdump.4; manual page.</para> 149 150 <para>Kernel support for M:N threading has been removed. While 151 the KSE (Kernel Scheduled Entities) project was quite successful 152 in bringing threading to FreeBSD, the M:N approach taken by the 153 KSE library was never developed to its full potential. 154 Backwards compatibility for applications using KSE threading 155 will be provided via &man.libmap.conf.5; for dynamically linked 156 binaries. The &os; Project greatly appreciates the work of 157 &a.julian;, &a.deischen;, and &a.davidxu; on KSE support.</para> 158 159 <para>The &os; kernel now exports information about certain kernel 160 features via the <varname>kern.features</varname> sysctl tree. 161 The &man.feature.present.3; library call provides a convenient 162 interface for user applications to test the presence of 163 features.</para> 164 165 <para arch="amd64">The &os; kernel now has support for large 166 memory page mappings (<quote>superpages</quote>).</para> 167 168 <para arch="amd64,i386,ia64,powerpc" role="merged">The ULE 169 scheduler is now the default process scheduler 170 in <filename>GENERIC</filename> kernels.</para> 171 172 <sect3 xml:id="boot"> 173 <title>Boot Loader Changes</title> 174 175 <para arch="amd64,i386" role="merged">The BTX kernel used by the boot 176 loader has been changed to invoke BIOS routines from real 177 mode. This change makes it possible to boot &os; from USB 178 devices.</para> 179 180 <para arch="amd64,i386" role="merged">A new gptboot boot loader has 181 been added to support booting from a GPT labeled disk. A 182 new <command>boot</command> command has been added to 183 &man.gpt.8;, which makes a GPT disk bootable by writing the 184 required bits of the boot loader, creating a new boot 185 partition if required.</para> 186 187 </sect3> 188 189 <sect3 xml:id="proc"> 190 <title>Hardware Support</title> 191 192 <para role="merged">The &man.cmx.4; driver, a driver for Omnikey CardMan 4040 193 PCMCIA smartcard readers, has been added.</para> 194 195 <para>The &man.syscons.4; driver now supports Colemak keyboard layout.</para> 196 197 <para role="merged">The &man.uslcom.4; driver, a driver for Silicon 198 Laboratories CP2101/CP2102-based USB serial adapters, has been 199 imported from OpenBSD.</para> 200 201 <sect4 xml:id="mm"> 202 <title>Multimedia Support</title> 203 204 <para/> 205 206 </sect4> 207 208 <sect4 xml:id="net-if"> 209 <title>Network Interface Support</title> 210 211 <para>The &man.ale.4; driver has been added to provide support 212 for Atheros AR8121/AR8113/AR8114 Gigabit/Fast Ethernet controllers.</para> 213 214 <para>The &man.em.4; driver has been split into two drivers 215 with some common parts. The &man.em.4; driver will continue 216 to support adapters up to the 82575, as well as new 217 client/desktop adapters. A new &man.igb.4; driver 218 will support new server adapters.</para> 219 220 <para>The &man.jme.4; driver has been added to provide support 221 for PCIe network adapters based on JMicron JMC250 Gigabit 222 Ethernet and JMC260 Fast Ethernet controllers.</para> 223 224 <para>The &man.malo.4; driver has been added to provide 225 support for Marvell Libertas 88W8335 based PCI network 226 adapters.</para> 227 228 <para>The firmware for the &man.mxge.4; driver has been 229 updated from 1.4.25 to 1.4.29.</para> 230 231 <para>The &man.sf.4; driver has been overhauled to improve its 232 performance and to add support for checksum offloading. It 233 should also work on all architectures.</para> 234 235 <para>The &man.re.4; driver has been overhauled to fix a 236 number of issues. This driver now has Wake On LAN (WOL) 237 support.</para> 238 239 <para>The &man.vr.4; driver has been overhauled to fix a 240 number of outstanding issues. It also now works on all 241 architectures.</para> 242 243 <para arch="amd64,i386" role="merged">The &man.wpi.4; driver has 244 been updated to include a number of stability fixes.</para> 245 246 </sect4> 247 </sect3> 248 249 <sect3 xml:id="net-proto"> 250 <title>Network Protocols</title> 251 252 <para>The &man.bpf.4; packet filter and capture facility now 253 supports a zero-copy mode of operation, in which buffers are 254 loaned from a user process to the kernel. This feature can 255 be enabled by setting 256 the <varname>net.bpf.zerocopy_enable</varname> sysctl 257 variable to <literal>1</literal>.</para> 258 259 <para>ISDN4BSD(I4B), <filename>netatm</filename>, and all 260 related subsystems have been removed due to lack of 261 multi-processor support.</para> 262 263 <para role="merged">A bug in TCP options padding, where the wrong padding 264 bytes were used, has been fixed.</para> 265 266 <para role="merged">The IEEE 802.11s element identifiers have 267 been updated to reflect the final version of the amendment. This 268 update breaks compatibility with older mesh setups but is necessary 269 as the previous IDs are used by another amendment leading to 270 unexpected results when trying to associate with an accesspoint 271 using the affected IDs.</para> 272 273 </sect3> 274 275 <sect3 xml:id="disks"> 276 <title>Disks and Storage</title> 277 278 <para role="merged">The &man.aac.4; driver now supports volumes larger than 279 2TB in size.</para> 280 281 <para>The &man.ata.4; driver now supports a spindown command for 282 disks; after a configurable amount of time, if no requests 283 have been received for a disk, the disk will be spun down 284 until the next request. The &man.atacontrol.8; utility now 285 supports a <command>spindown</command> command to configure 286 this feature.</para> 287 288 <para role="merged">The &man.hptrr.4; driver has been updated to version 1.2 289 from Highpoint.</para> 290 291 </sect3> 292 293 <sect3 xml:id="fs"> 294 <title>File Systems</title> 295 296 <para>A problem with using &man.mmap.2; on ZFS filesystems has 297 been fixed.</para> 298 299 <para>A new kernel-mode NFS lock manager has been added, 300 improving performance and behavior of NFS locking. A new 301 &man.clear.locks.8; command has been added to clear locks held 302 on behalf of an NFS client.</para> 303 304 <para role="merged">The <application>ZFS</application> file system 305 has been upgraded to version 28. Changes include Data 306 Deduplication, Triple parity RAIDZ, and zfs diff.</para> 307 308 </sect3> 309 </sect2> 310 311 <sect2 xml:id="userland"> 312 <title>Userland Changes</title> 313 314 <para role="merged">The &man.adduser.8; utility now supports 315 a <option>-M</option> option to set the mode of a new user's 316 home directory.</para> 317 318 <para>BSD-licensed versions of &man.ar.1; and &man.ranlib.1;, 319 based on <filename>libarchive</filename>, have replaced the GNU 320 Binutils versions of these utilities.</para> 321 322 <para>BSD-licensed versions of &man.bc.1; and &man.dc.1; have 323 replaced their GNU counterparts.</para> 324 325 <para role="merged">&man.chflags.1; now supports a <option>-v</option> flag for 326 verbose output and a <option>-f</option> flag to ignore errors 327 with the same semantics as (for example) 328 &man.chmod.1;.</para> 329 330 <para>For compatibility with other implementations, &man.cp.1; now 331 supports a <option>-a</option> flag, which is equivalent to 332 specifying the <option>-RrP</option> flags.</para> 333 334 <para>BSD-licensed version of &man.cpio.1; based on 335 <filename>libarchive</filename>, has replaced the GNU cpio. 336 Note that the GNU cpio is still installed as 337 <filename>gcpio</filename>.</para> 338 339 <para>The &man.env.1; program now supports <option>-u 340 <replaceable>name</replaceable></option> 341 which will completely unset the given variable 342 <replaceable>name</replaceable> by removing it from the environment, 343 instead of just setting it to a null value.</para> 344 345 <para>The &man.fdopendir.3; library function has been added.</para> 346 347 <para role="merged">The &man.fetch.3; library now support HTTP 1.1 348 If-Modified-Since behavior. The &man.fetch.1; program now 349 supports <option>-i <replaceable>filename</replaceable></option> 350 which will only download the specified HTTP URL if the content 351 is newer than <replaceable>filename</replaceable>.</para> 352 353 <para>&man.find.1; has been enhanced by the addition of a number 354 of primaries that were present in GNU find but not &os; 355 &man.find.1;.</para> 356 357 <para>&man.kgdb.1; now supports a new <command>add-kld</command> 358 command to make it easier to debug crash dumps with kernel 359 modules.</para> 360 361 <para>The &man.ls.1; program now supports a <option>-D</option> 362 option to specify a date format string to be used with the long 363 format (<option>-l</option>) output.</para> 364 365 <para>&man.nc.1; now supports a <option>-O</option> switch to 366 disable the use of TCP options.</para> 367 368 <para>&man.nc.1;'s <option>-o</option> switch has been deprecated. 369 It will be removed in a future release.</para> 370 371 <para>The &man.ping6.8; utility now returns <literal>2</literal> 372 when the packet transmission was successful but no responses 373 were received (this is the same behavior as &man.ping.8;). 374 It returned a non-zero value before this change.</para> 375 376 <para>The &man.procstat.1; utility has been added to display 377 detailed information about processes.</para> 378 379 <para role="merged">The &man.realpath.1; utility now supports 380 a <option>-q</option> flag to suppress warnings; it now also 381 accepts multiple paths on its command line.</para> 382 383 <para>&man.sh.1; has many bug fixes, some new features, and will now 384 refuse to parse some invalid scripts. Additionally, it now 385 has filename completion and defaults to the "emacs" editing 386 mode.</para> 387 388 <para>The &man.split.1; utility now supports a <option>-n</option> 389 flag to split a file into a certain number of chunks.</para> 390 391 <para>The &man.tar.1; utility now supports a <option>-Z</option> 392 flag to enable &man.compress.1;-style 393 compression/decompression.</para> 394 395 <para>The &man.tar.1; utility now supports a 396 <option>--numeric-owner</option> flag to ignore user/group names 397 on create and extract.</para> 398 399 <para>The &man.tar.1; utility now supports an 400 <option>-S</option> flag to sparsify files on extraction.</para> 401 402 <para>The &man.tar.1; utility now supports a <option>-s</option> 403 flag to substitute filenames based on the specified regular 404 expression.</para> 405 406 <para>The &man.tcgetsid.3; library function has been added to 407 return the process group ID for the session leader for the 408 controlling terminal. It is defined in IEEE Std 1003.1-2001 409 (POSIX).</para> 410 411 <para>&man.top.1; now supports a <option>-P</option> flag to 412 provide per-CPU usage statistics.</para> 413 414 <para>&man.zdump.8; is now working properly on 64 bit architectures. 415 </para> 416 417 <para>&man.traceroute.8; now has the ability to print the AS 418 number for each hop with the new <option>-a</option> switch; a 419 new <option>-A</option> option allows selecting a particular 420 WHOIS server.</para> 421 422 <para>&man.traceroute6.8; now supports a <option>-U</option> flag 423 to send probe packets with no upper-layer protocol, rather than 424 the usual UDP probe packets.</para> 425 426 <sect3 xml:id="rc-scripts"> 427 <title><filename>/etc/rc.d</filename> Scripts</title> 428 429 <para/> 430 431 </sect3> 432 </sect2> 433 434 <sect2 xml:id="contrib"> 435 <title>Contributed Software</title> 436 437 <para role="merged"><application>AMD</application> has been updated from 6.0.10 438 to 6.1.5.</para> 439 440 <para role="merged"><application>awk</application> has been updated from 1 May 441 2007 release to the 23 October 2007 release.</para> 442 443 <para role="merged"><application>bzip2</application> has been updated from 1.0.4 444 to 1.0.5.</para> 445 446 <para><application>CVS</application> has been updated from 1.11.17 447 to a post-1.11.22 snapshot from 10 March 2008.</para> 448 449 <para><application>FILE</application> has been updated from 4.23 450 to 5.03.</para> 451 452 <para><application>hostapd</application> has been 453 updated from 0.5.8 to 0.5.10.</para> 454 455 <para><application>IPFilter</application> has been updated from 456 4.1.23 to 4.1.28.</para> 457 458 <para><application>less</application> has been updated from 459 v408 to v429.</para> 460 461 <para><application>ncurses</application> has been updated from 462 5.6-20061217 to 5.6-20080503.</para> 463 464 <para role="merged"><application>OpenSSH</application> has been updated 465 from 4.5p1 to 5.1p1.</para> 466 467 <para role="merged"><application>OpenPAM</application> has been updated from the 468 Figwort release to the Hydrangea release.</para> 469 470 <para role="merged"><application>sendmail</application> has been updated from 471 8.14.1 to 8.14.7.</para> 472 473 <para role="merged">The timezone database has been updated from 474 the <application>tzdata2008h</application> release to 475 the <application>tzdata2009m</application> release.</para> 476 477 <para>The stdtime part of libc, &man.zdump.8; and &man.zic.8; 478 have been updated from the <application>tzcode2004a</application> 479 release to the <application>tzcode2009h</application> release. 480 If you have upgraded from source or via the &man.freebsd-update.8;, 481 then please run &man.tzsetup.8; to install a new /etc/localtime. 482 </para> 483 484 <para><application>WPA Supplicant</application> has been 485 updated from 0.5.8 to 0.5.10.</para> 486 487 <para role="merged"><application>xz</application> has been updated 488 from snapshot as of 12 April 2010 to 5.0.0.</para> 489 490 </sect2> 491 492 <sect2 xml:id="ports"> 493 <title>Ports/Packages Collection Infrastructure</title> 494 495 <para>The &man.pkg.create.1; utility now supports 496 <option>-n</option>. When this option is specified and a 497 package tarball exists, it will not be overwritten. This is 498 useful when multiple packages are saved with several consecutive 499 runs of &man.pkg.create.1; with the <option>-Rb</option> 500 options.</para> 501 502 <para>The pkg_sign and pkg_check utilities for cryptographically 503 signing &os; packages have been removed. They were only useful 504 for packages compressed using &man.gzip.1;; however 505 &man.bzip2.1; compression has been the norm for some time 506 now.</para> 507 508 </sect2> 509 510 <sect2 xml:id="releng"> 511 <title>Release Engineering and Integration</title> 512 513 <para role="merged">The supported version of 514 the <application>GNOME</application> desktop environment 515 (<package>x11/gnome2</package>) has been 516 updated from 2.20.1 to 2.22.</para> 517 518 </sect2> 519 520 <sect2 xml:id="doc"> 521 <title>Documentation</title> 522 523 <para/> 524 525 </sect2> 526</sect1> 527 528<sect1 xml:id="upgrade"> 529 <title>Upgrading from previous releases of &os;</title> 530 531 <para arch="amd64,i386">Beginning with &os; 6.2-RELEASE, 532 binary upgrades between RELEASE versions (and snapshots of the 533 various security branches) are supported using the 534 &man.freebsd-update.8; utility. The binary upgrade procedure will 535 update unmodified userland utilities, as well as unmodified GENERIC or 536 SMP kernels distributed as a part of an official &os; release. 537 The &man.freebsd-update.8; utility requires that the host being 538 upgraded have Internet connectivity.</para> 539 540 <para>Source-based upgrades (those based on recompiling the &os; 541 base system from source code) from previous versions are 542 supported, according to the instructions in 543 <filename>/usr/src/UPDATING</filename>.</para> 544 545 <important> 546 <para>Upgrading &os; should, of course, only be attempted after 547 backing up <emphasis>all</emphasis> data and configuration 548 files.</para> 549 </important> 550</sect1> 551</article> 552