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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 259277 2013-12-12 21:51:33Z rodrigc $</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 arch="amd64">The maximum amount of memory the &os; kernel 124 can address has been increased from 1TB to 4TB.</para> 125 126 <para>A new &man.cpuset.2; API has been added 127 for thread to CPU binding and CPU resource grouping and 128 assignment. The &man.cpuset.1; userland utility has been added 129 to allow manipulation of processor sets.</para> 130 131 <para role="merged">The &man.ddb.4; kernel debugger now has an output capture 132 facility. Input and output from &man.ddb.4; can now be captured 133 to a memory buffer for later inspection using &man.sysctl.8; or 134 a textdump. The new <command>capture</command> command controls 135 this feature.</para> 136 137 <para role="merged">The &man.ddb.4; debugger now supports a simple scripting 138 facility, which supports a set of named scripts consisting of a 139 set of &man.ddb.4; commands. These commands can be managed from 140 within &man.ddb.4; or with the use of the new &man.ddb.8; 141 utility. More details can be found in the &man.ddb.4; manual 142 page.</para> 143 144 <para role="merged">The kernel now supports a new textdump format of kernel 145 dumps. A textdump provides higher-level information via 146 mechanically generated/extracted debugging output, rather than a 147 simple memory dump. This facility can be used to generate brief 148 kernel bug reports that are rich in debugging information, but 149 are not dependent on kernel symbol tables or precisely 150 synchronized source code. More information can be found in the 151 &man.textdump.4; manual page.</para> 152 153 <para>Kernel support for M:N threading has been removed. While 154 the KSE (Kernel Scheduled Entities) project was quite successful 155 in bringing threading to FreeBSD, the M:N approach taken by the 156 KSE library was never developed to its full potential. 157 Backwards compatibility for applications using KSE threading 158 will be provided via &man.libmap.conf.5; for dynamically linked 159 binaries. The &os; Project greatly appreciates the work of 160 &a.julian;, &a.deischen;, and &a.davidxu; on KSE support.</para> 161 162 <para>The &os; kernel now exports information about certain kernel 163 features via the <varname>kern.features</varname> sysctl tree. 164 The &man.feature.present.3; library call provides a convenient 165 interface for user applications to test the presence of 166 features.</para> 167 168 <para arch="amd64">The &os; kernel now has support for large 169 memory page mappings (<quote>superpages</quote>).</para> 170 171 <para arch="amd64,i386,ia64,powerpc" role="merged">The ULE 172 scheduler is now the default process scheduler 173 in <filename>GENERIC</filename> kernels.</para> 174 175 <sect3 xml:id="boot"> 176 <title>Boot Loader Changes</title> 177 178 <para arch="amd64,i386" role="merged">The BTX kernel used by the boot 179 loader has been changed to invoke BIOS routines from real 180 mode. This change makes it possible to boot &os; from USB 181 devices.</para> 182 183 <para arch="amd64,i386" role="merged">A new gptboot boot loader has 184 been added to support booting from a GPT labeled disk. A 185 new <command>boot</command> command has been added to 186 &man.gpt.8;, which makes a GPT disk bootable by writing the 187 required bits of the boot loader, creating a new boot 188 partition if required.</para> 189 190 </sect3> 191 192 <sect3 xml:id="proc"> 193 <title>Hardware Support</title> 194 195 <para role="merged">The &man.cmx.4; driver, a driver for Omnikey CardMan 4040 196 PCMCIA smartcard readers, has been added.</para> 197 198 <para>The &man.syscons.4; driver now supports Colemak keyboard layout.</para> 199 200 <para role="merged">The &man.uslcom.4; driver, a driver for Silicon 201 Laboratories CP2101/CP2102-based USB serial adapters, has been 202 imported from OpenBSD.</para> 203 204 <sect4 xml:id="mm"> 205 <title>Multimedia Support</title> 206 207 <para>Support for version 2.0 of the USB Audio reference design 208 has been added. New devices should support higher bandwidth, 209 increased sampling frequency and wider dynamic range.</para> 210 211 </sect4> 212 213 <sect4 xml:id="net-if"> 214 <title>Network Interface Support</title> 215 216 <para>The &man.ale.4; driver has been added to provide support 217 for Atheros AR8121/AR8113/AR8114 Gigabit/Fast Ethernet controllers.</para> 218 219 <para>The &man.em.4; driver has been split into two drivers 220 with some common parts. The &man.em.4; driver will continue 221 to support adapters up to the 82575, as well as new 222 client/desktop adapters. A new &man.igb.4; driver 223 will support new server adapters.</para> 224 225 <para>The &man.jme.4; driver has been added to provide support 226 for PCIe network adapters based on JMicron JMC250 Gigabit 227 Ethernet and JMC260 Fast Ethernet controllers.</para> 228 229 <para>The &man.malo.4; driver has been added to provide 230 support for Marvell Libertas 88W8335 based PCI network 231 adapters.</para> 232 233 <para>The firmware for the &man.mxge.4; driver has been 234 updated from 1.4.25 to 1.4.29.</para> 235 236 <para>The &man.sf.4; driver has been overhauled to improve its 237 performance and to add support for checksum offloading. It 238 should also work on all architectures.</para> 239 240 <para>The &man.re.4; driver has been overhauled to fix a 241 number of issues. This driver now has Wake On LAN (WOL) 242 support.</para> 243 244 <para>The &man.vr.4; driver has been overhauled to fix a 245 number of outstanding issues. It also now works on all 246 architectures.</para> 247 248 <para arch="amd64,i386" role="merged">The &man.wpi.4; driver has 249 been updated to include a number of stability fixes.</para> 250 251 </sect4> 252 </sect3> 253 254 <sect3 xml:id="net-proto"> 255 <title>Network Protocols</title> 256 257 <para>&man.carp.4; has been rewritten to make addresses 258 more sane from the viewpoint of routing daemons such as 259 quagga/zebra. It also brings support for a single redundant 260 address on the subnet (carpdev), switching state with 261 ifconfig, better locking and using modern kernel 262 interfaces to allocate multicast memberships.</para> 263 264 <para>The &man.pf.4; firewall now supports fine-grain locking 265 and better utilization on multi-cpu machines resulting in 266 significant improvements in performance.</para> 267 268 <para>Support for up to 65536 routing tables has been 269 introduced.</para> 270 271 <para>Support for setting/matching differentiated services 272 codepoints (DSCP) in IP header has been added to 273 &man.ipfw.8;.</para> 274 275 </sect3> 276 277 <sect3 xml:id="disks"> 278 <title>Disks and Storage</title> 279 280 <para role="merged">The &man.aac.4; driver now supports volumes larger than 281 2TB in size.</para> 282 283 <para>The &man.ata.4; driver now supports a spindown command for 284 disks; after a configurable amount of time, if no requests 285 have been received for a disk, the disk will be spun down 286 until the next request. The &man.atacontrol.8; utility now 287 supports a <command>spindown</command> command to configure 288 this feature.</para> 289 290 <para role="merged">The &man.hptrr.4; driver has been updated to version 1.2 291 from Highpoint.</para> 292 293 </sect3> 294 295 <sect3 xml:id="fs"> 296 <title>File Systems</title> 297 298 <para>A new kernel-based iSCSI target and initiator has been 299 added</para> 300 301 <para>UFS filesystems can now be enlarged with &man.growfs.8; while 302 mounted read-write. This is especially useful for virtual 303 machines, allowing the addition of more harddrive space without 304 interruption of service.</para> 305 306 <para>A state of the art FUSE implementation is now part of the 307 base system. It allows the use of nearly all fusefs file 308 systems</para> 309 310 <para>Support for the high performance LZ4 compression algorithm 311 has been added to ZFS. LZ4 is usually faster and can achieve a 312 higher compression ratio than LZJB, the default compression 313 algorithm</para> 314 315 <para>Support for L2ARC compression has been added to ZFS.</para> 316 317 <para>ZFS will now compare the checksums of incoming writes to 318 the checksum of the existing on-disk data and avoid issuing any 319 write I/O for data that has not changed. This will reduce I/O 320 as well as space usage because if the old block is referenced 321 by a snapshot, both copies of the block are kept even though 322 both contain the same data.</para> 323 324 </sect3> 325 326 </sect2> 327 328 <sect2 xml:id="userland"> 329 <title>Userland Changes</title> 330 331 <para role="merged">BIND has been replaced by &man.unbound.8; for 332 local dns resolution in the base system. With this change, nslookup 333 and dig are no longer a part of the base system. Users should 334 instead use &man.host.1; and &man.drill.1; Alternatively, 335 nslookup and dig can be obtained by installing the 336 dns/bind-tools port.</para> 337 338 <para role="merged">The &man.adduser.8; utility now supports 339 a <option>-M</option> option to set the mode of a new user's 340 home directory.</para> 341 342 <para>BSD-licensed versions of &man.ar.1; and &man.ranlib.1;, 343 based on <filename>libarchive</filename>, have replaced the GNU 344 Binutils versions of these utilities.</para> 345 346 <para>BSD-licensed versions of &man.bc.1; and &man.dc.1; have 347 replaced their GNU counterparts.</para> 348 349 <para role="merged">&man.chflags.1; now supports a <option>-v</option> flag for 350 verbose output and a <option>-f</option> flag to ignore errors 351 with the same semantics as (for example) 352 &man.chmod.1;.</para> 353 354 <para>For compatibility with other implementations, &man.cp.1; now 355 supports a <option>-a</option> flag, which is equivalent to 356 specifying the <option>-RrP</option> flags.</para> 357 358 <para>BSD-licensed version of &man.cpio.1; based on 359 <filename>libarchive</filename>, has replaced the GNU cpio. 360 Note that the GNU cpio is still installed as 361 <filename>gcpio</filename>.</para> 362 363 <para>The &man.env.1; program now supports <option>-u 364 <replaceable>name</replaceable></option> 365 which will completely unset the given variable 366 <replaceable>name</replaceable> by removing it from the environment, 367 instead of just setting it to a null value.</para> 368 369 <para>The &man.fdopendir.3; library function has been added.</para> 370 371 <para role="merged">The &man.fetch.3; library now support HTTP 1.1 372 If-Modified-Since behavior. The &man.fetch.1; program now 373 supports <option>-i <replaceable>filename</replaceable></option> 374 which will only download the specified HTTP URL if the content 375 is newer than <replaceable>filename</replaceable>.</para> 376 377 <para>&man.find.1; has been enhanced by the addition of a number 378 of primaries that were present in GNU find but not &os; 379 &man.find.1;.</para> 380 381 <para>&man.kgdb.1; now supports a new <command>add-kld</command> 382 command to make it easier to debug crash dumps with kernel 383 modules.</para> 384 385 <para>The &man.ls.1; program now supports a <option>-D</option> 386 option to specify a date format string to be used with the long 387 format (<option>-l</option>) output.</para> 388 389 <para>&man.nc.1; now supports a <option>-O</option> switch to 390 disable the use of TCP options.</para> 391 392 <para>&man.nc.1;'s <option>-o</option> switch has been deprecated. 393 It will be removed in a future release.</para> 394 395 <para>The &man.ping6.8; utility now returns <literal>2</literal> 396 when the packet transmission was successful but no responses 397 were received (this is the same behavior as &man.ping.8;). 398 It returned a non-zero value before this change.</para> 399 400 <para>The &man.procstat.1; utility has been added to display 401 detailed information about processes.</para> 402 403 <para role="merged">The &man.realpath.1; utility now supports 404 a <option>-q</option> flag to suppress warnings; it now also 405 accepts multiple paths on its command line.</para> 406 407 <para>&man.sh.1; has many bug fixes, some new features, and will now 408 refuse to parse some invalid scripts. Additionally, it now 409 has filename completion and defaults to the "emacs" editing 410 mode.</para> 411 412 <para>The &man.split.1; utility now supports a <option>-n</option> 413 flag to split a file into a certain number of chunks.</para> 414 415 <para>The &man.tar.1; utility now supports a <option>-Z</option> 416 flag to enable &man.compress.1;-style 417 compression/decompression.</para> 418 419 <para>The &man.tar.1; utility now supports a 420 <option>--numeric-owner</option> flag to ignore user/group names 421 on create and extract.</para> 422 423 <para>The &man.tar.1; utility now supports an 424 <option>-S</option> flag to sparsify files on extraction.</para> 425 426 <para>The &man.tar.1; utility now supports a <option>-s</option> 427 flag to substitute filenames based on the specified regular 428 expression.</para> 429 430 <para>The &man.tcgetsid.3; library function has been added to 431 return the process group ID for the session leader for the 432 controlling terminal. It is defined in IEEE Std 1003.1-2001 433 (POSIX).</para> 434 435 <para>&man.top.1; now supports a <option>-P</option> flag to 436 provide per-CPU usage statistics.</para> 437 438 <para>&man.zdump.8; is now working properly on 64 bit architectures. 439 </para> 440 441 <para>&man.traceroute.8; now has the ability to print the AS 442 number for each hop with the new <option>-a</option> switch; a 443 new <option>-A</option> option allows selecting a particular 444 WHOIS server.</para> 445 446 <para>&man.traceroute6.8; now supports a <option>-U</option> flag 447 to send probe packets with no upper-layer protocol, rather than 448 the usual UDP probe packets.</para> 449 450 <sect3 xml:id="rc-scripts"> 451 <title><filename>/etc/rc.d</filename> Scripts</title> 452 453 <para/> 454 455 </sect3> 456 </sect2> 457 458 <sect2 xml:id="contrib"> 459 <title>Contributed Software</title> 460 461 <para role="merged"><application>AMD</application> has been updated from 6.0.10 462 to 6.1.5.</para> 463 464 <para role="merged"><application>awk</application> has been updated from 1 May 465 2007 release to the 23 October 2007 release.</para> 466 467 <para role="merged"><application>bzip2</application> has been updated from 1.0.4 468 to 1.0.5.</para> 469 470 <para><application>CVS</application> has been removed from the 471 base system, but is still available from ports</para> 472 473 <para><application>FILE</application> has been updated from 4.23 474 to 5.03.</para> 475 476 <para><application>hostapd</application> has been 477 updated from 0.5.8 to 0.5.10.</para> 478 479 <para><application>IPFilter</application> has been updated from 480 4.1.23 to 4.1.28.</para> 481 482 <para><application>less</application> has been updated from 483 v408 to v429.</para> 484 485 <para><application>ncurses</application> has been updated from 486 5.6-20061217 to 5.6-20080503.</para> 487 488 <para role="merged"><application>OpenSSH</application> has been updated 489 from 4.5p1 to 5.1p1.</para> 490 491 <para role="merged"><application>OpenPAM</application> has been updated from the 492 Figwort release to the Hydrangea release.</para> 493 494 <para role="merged"><application>sendmail</application> has been updated from 495 8.14.1 to 8.14.7.</para> 496 497 <para role="merged">The timezone database has been updated from 498 the <application>tzdata2008h</application> release to 499 the <application>tzdata2009m</application> release.</para> 500 501 <para>The stdtime part of libc, &man.zdump.8; and &man.zic.8; 502 have been updated from the <application>tzcode2004a</application> 503 release to the <application>tzcode2009h</application> release. 504 If you have upgraded from source or via the &man.freebsd-update.8;, 505 then please run &man.tzsetup.8; to install a new /etc/localtime. 506 </para> 507 508 <para><application>WPA Supplicant</application> has been 509 updated from 0.5.8 to 0.5.10.</para> 510 511 <para role="merged"><application>xz</application> has been updated 512 from snapshot as of 12 April 2010 to 5.0.0.</para> 513 514 </sect2> 515 516 <sect2 xml:id="ports"> 517 <title>Ports/Packages Collection Infrastructure</title> 518 519 <para>The &man.pkg.create.1; utility now supports 520 <option>-n</option>. When this option is specified and a 521 package tarball exists, it will not be overwritten. This is 522 useful when multiple packages are saved with several consecutive 523 runs of &man.pkg.create.1; with the <option>-Rb</option> 524 options.</para> 525 526 <para>The pkg_sign and pkg_check utilities for cryptographically 527 signing &os; packages have been removed. They were only useful 528 for packages compressed using &man.gzip.1;; however 529 &man.bzip2.1; compression has been the norm for some time 530 now.</para> 531 532 </sect2> 533 534 <sect2 xml:id="releng"> 535 <title>Release Engineering and Integration</title> 536 537 <para role="merged">The supported version of 538 the <application>GNOME</application> desktop environment 539 (<package>x11/gnome2</package>) has been 540 updated from 2.20.1 to 2.22.</para> 541 542 </sect2> 543 544 <sect2 xml:id="doc"> 545 <title>Documentation</title> 546 547 <para/> 548 549 </sect2> 550</sect1> 551 552<sect1 xml:id="upgrade"> 553 <title>Upgrading from previous releases of &os;</title> 554 555 <para arch="amd64,i386">Beginning with &os; 6.2-RELEASE, 556 binary upgrades between RELEASE versions (and snapshots of the 557 various security branches) are supported using the 558 &man.freebsd-update.8; utility. The binary upgrade procedure will 559 update unmodified userland utilities, as well as unmodified GENERIC or 560 SMP kernels distributed as a part of an official &os; release. 561 The &man.freebsd-update.8; utility requires that the host being 562 upgraded have Internet connectivity.</para> 563 564 <para>Source-based upgrades (those based on recompiling the &os; 565 base system from source code) from previous versions are 566 supported, according to the instructions in 567 <filename>/usr/src/UPDATING</filename>.</para> 568 569 <important> 570 <para>Upgrading &os; should, of course, only be attempted after 571 backing up <emphasis>all</emphasis> data and configuration 572 files.</para> 573 </important> 574</sect1> 575</article> 576