article.xml revision 288870
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: head/release/doc/en_US.ISO8859-1/relnotes/article.xml 288870 2015-10-05 20:13:12Z gjb $</pubdate> 24 25 <!-- Last rev: 284814 --> 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;. In general, changes 98 described here are unique to the &release.branch; branch unless 99 specifically marked as &merged; features.</para> 100 101 <para>Typical release note items document recent security 102 advisories issued after &release.prev;, new drivers or hardware 103 support, new commands or options, major bug fixes, or 104 contributed software upgrades. They may also list changes to 105 major ports/packages or release engineering practices. Clearly 106 the release notes cannot list every single change made to &os; 107 between releases; this document focuses primarily on security 108 advisories, user-visible changes, and major architectural 109 improvements.</para> 110 </sect1> 111 112 <sect1 xml:id="upgrade"> 113 <title>Upgrading from Previous Releases of &os;</title> 114 115 <para arch="amd64,i386">Binary upgrades between RELEASE versions 116 (and snapshots of the various security branches) are supported 117 using the &man.freebsd-update.8; utility. The binary upgrade 118 procedure will update unmodified userland utilities, as well as 119 unmodified GENERIC kernels distributed as a part of an official 120 &os; release. The &man.freebsd-update.8; utility requires that 121 the host being upgraded have Internet connectivity.</para> 122 123 <para>Source-based upgrades (those based on recompiling the &os; 124 base system from source code) from previous versions are 125 supported, according to the instructions in 126 <filename>/usr/src/UPDATING</filename>.</para> 127 128 <important> 129 <para>Upgrading &os; should only be attempted after backing up 130 <emphasis>all</emphasis> data and configuration 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="266463">The default &man.newsyslog.conf.5; now 163 includes files in the 164 <filename>/etc/newsyslog.conf.d/</filename> and 165 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 166 directories by default for &man.newsyslog.8;.</para> 167 168 <para revision="270675">The &man.mailwrapper.8; utility has been 169 updated to use &man.mailer.conf.5; from the 170 <literal>LOCALBASE</literal> environment variable, which 171 defaults to <filename class="directory">/usr/local</filename> 172 if unset.</para> 173 174 <para revision="272350">The <literal>MK_ARM_EABI</literal> 175 &man.src.conf.5; option has been removed.</para> 176 177 <para revision="285169">The <application>ntp</application> suite 178 has been updated to version 4.2.8p3.</para> 179 </sect2> 180 181 <sect2 xml:id="userland-programs"> 182 <title>Userland Application Changes</title> 183 184 <para revision="258838" contrib="sponsor" sponsor="&ff;, 185 &google;" sponsorurl="">The &man.casperd.8; daemon has been 186 added, which provides access to functionality that is not 187 available in the <quote>capability mode</quote> 188 sandbox.</para> 189 190 <para revision="260594">When unable to load a kernel module with 191 &man.kldload.8;, a message informing to view output of 192 &man.dmesg.8; is now printed, opposed to the previous output 193 <quote>Exec format error.</quote>.</para> 194 195 <para revision="260910">Allow &man.pciconf.8; to identify PCI 196 devices that are attached to a driver to be identified by 197 their device name instead of just the selector. Additionally, 198 an optional device argument to the <literal>-l</literal> flag 199 to restrict the output to only listing details about a single 200 device.</para> 201 202 <para revision="260913">A new flag, <quote>onifconsole</quote> 203 has been added to <filename>/etc/ttys</filename>. This allows 204 the system to provide a login prompt via serial console if the 205 device is an active kernel console, otherwise it is equivalent 206 to <literal>off</literal>.</para> 207 208 <para revision="260926">Support for displaying VPD for PCI 209 devices via &man.pciconf.8; has been added.</para> 210 211 <para revision="261498">&man.ping.8; protects against malicious 212 network packets using the Capsicum framework to drop 213 privileges.</para> 214 215 <para revision="265229">The &man.ps.1; utility has been 216 updated to include the <literal>-J</literal> flag, used to 217 filter output by matching &man.jail.8; IDs and names. 218 Additionally, argument <literal>0</literal> can be used to 219 <literal>-J</literal> to only list processes running on the 220 host system.</para> 221 222 <para revision="265249">The &man.top.1; utility has been updated 223 to filter by &man.jail.8; ID or name, in followup to the 224 &man.ps.1; change in <literal>r265229</literal>.</para> 225 226 <para revision="266209">The &man.pmcstat.8; utility has been 227 updated to include a new flag, <literal>-l</literal>, which 228 ends event collection after the specified number of 229 seconds.</para> 230 231 <para revision="270745">The &man.ps.1; utility has been updated 232 to include a new keyword, <quote>tracer</quote>, which 233 displays the <acronym>PID</acronym> of the tracing 234 process.</para> 235 236 <para revision="271482">Support for adding empty partitions has 237 been added to the &man.mkimg.1; utility.</para> 238 239 <para revision="272166">The &man.primes.6; utility has been 240 updated to correctly enumerate prime numbers between 241 <literal>4295098369</literal> and 242 <literal>3825123056546413050</literal>, which prior to this 243 change, it would be possible for returned values to be 244 incorrectly identified as prime numbers.</para> 245 246 <para revision="272198">The &man.mkimg.1; utility has been 247 updated to include three options used to print information 248 about &man.mkimg.1; itself:</para> 249 250 <informaltable frame="none" pgwide="0"> 251 <tgroup cols="2"> 252 <colspec colwidth="1*"/> 253 <colspec colwidth="1*"/> 254 <thead> 255 <row> 256 <entry>Option</entry> 257 <entry>Output</entry> 258 </row> 259 </thead> 260 261 <tbody> 262 <row> 263 <entry><literal>--version</literal></entry> 264 <entry>The current version of the &man.mkimg.1; 265 utility</entry> 266 </row> 267 268 <row> 269 <entry><literal>--formats</literal></entry> 270 <entry>The disk image file formats supported by 271 &man.mkimg.1;</entry> 272 </row> 273 274 <row> 275 <entry><literal>--schemes</literal></entry> 276 <entry>The partition schemes supported by 277 &man.mkimg.1;</entry> 278 </row> 279 </tbody> 280 </tgroup> 281 </informaltable> 282 283 <para revision="272488">Userland &man.ctf.5; support in 284 &man.dtrace.1; has been added. With this change, 285 &man.dtrace.1; is able to resolve type info for function and 286 <acronym>USDT</acronym> probe arguments, and function return 287 values.</para> 288 289 <para revision="274960">The &man.elfdump.1; utility has been 290 updated to support capability mode provided by 291 &man.capsicum.4;.</para> 292 293 <para revision="275680" contrib="sponsor" sponsor="&ff;">The 294 &man.fstyp.8; utility has been added, which is used to 295 determine the filesystem on a specified device.</para> 296 297 <para revision="276881">The <literal>libedit</literal> library 298 has been updated to support <acronym>UTF</acronym>-8, which 299 additionally provides unicode support to &man.sh.1;.</para> 300 301 <para revision="276893" contrib="sponsor" sponsor="&ff;">The 302 &man.mkimg.1; utility has been updated to support the 303 <acronym>MBR</acronym> <acronym>EFI</acronym> partition 304 type.</para> 305 306 <para revision="277166" arch="powerpc">The &man.ptrace.2; system 307 call has been updated include support for Altivec registers on 308 &os;/&arch.powerpc;.</para> 309 310 <para revision="278320">A new device control utility, 311 &man.devctl.8; has been added, which allows making 312 administrative changes to individual devices, such as 313 attaching and detaching drivers, and enabling and disabling 314 devices. The &man.devctl.8; utility uses the new 315 &man.devctl.3; library.</para> 316 317 <para revision="279122" contrib="sponsor" 318 sponsor="&juniper;">The &man.netstat.1; utility has been 319 updated to link against the &man.libxo.3; shared 320 library.</para> 321 322 <para revision="279139">A new flag, <literal>-c</literal>, has 323 been added to the &man.mkimg.1; utility, which allows 324 specifying the capacity of the target disk image.</para> 325 326 <para revision="279315" contrib="sponsor" sponsor="&ff;">The 327 &man.uefisign.8; utility has been added.</para> 328 329 <para revision="279571" contrib="sponsor" 330 sponsor="&scaleengine;">The &man.freebsd-update.8; utility has 331 been updated to prevent fetching updated binary patches when 332 a previous upgrade has not been thoroughly completed.</para> 333 334 <para revision="280870">A regression in the &man.libarchive.3; 335 library that would prevent a directory from being included in 336 the archive when <literal>--one-file-system</literal> is used 337 has been fixed.</para> 338 339 <para revision="281311" contrib="sponsor" sponsor="&ff;">The 340 &man.ar.1; utility has been updated to set 341 <literal>ARCHIVE_EXTRACT_SECURE_SYMLINKS</literal> and 342 <literal>ARCHIVE_EXTRACT_SECURE_NODOTDOT</literal> to disallow 343 directory traversal when extracting an archive, similar to 344 &man.tar.1;.</para> 345 346 <para revision="281617">A race condition in &man.wc.1; that 347 would cause final results to be sent to &man.stderr.4; when 348 receiving the <literal>SIGINFO</literal> signal has been 349 fixed.</para> 350 351 <para revision="282208" contrib="sponsor" 352 sponsor="&multiplay;">The &man.chflags.1;, &man.chgrp.1;, 353 &man.chmod.1;, and &man.chown.8; utilities now affect symbolic 354 links when the <literal>-R</literal> flag is specified, as 355 documented in &man.symlink.7;.</para> 356 357 <para revision="282608">The &man.date.1; utility has been 358 updated to print the modification time of the file passed as 359 an argument to the <literal>-r</literal> flag, improving 360 compatibility with the <acronym>GNU</acronym> &man.date.1; 361 utility behavior.</para> 362 363 <para revision="283961">The &man.pw.8; utility has been updated 364 with a new flag, <literal>-R</literal>, that sets the root 365 directory within which the utility will operate.</para> 366 367 <para revision="284297" contrib="sponsor" 368 sponsor="&clusterhq;">The &man.lockstat.1; utility has been 369 updated with several improvements:</para> 370 371 <itemizedlist> 372 <listitem> 373 <para>Spin locks are now reported as the amount of time 374 spinning, instead of loop iterations.</para> 375 </listitem> 376 377 <listitem> 378 <para>Reader locks are now recognized as adaptive that can 379 spin on &os;.</para> 380 </listitem> 381 382 <listitem> 383 <para>Lock aquisition events for successful reader try-lock 384 events are now reported.</para> 385 </listitem> 386 387 <listitem> 388 <para>Spin and block events are now reported before lock 389 acquisition events.</para> 390 </listitem> 391 </itemizedlist> 392 393 <para revision="284589" contrib="sponsor" 394 sponsor="&scaleengine;">The &man.fstyp.8; utility has been 395 updated to be able to detect &man.zfs.8; and &man.geli.8; 396 filesystems.</para> 397 398 <para revision="284883">The &man.mkimg.1; utility has been 399 updated to include support for <literal>NTFS</literal> 400 filesystems in both <acronym>MBR</acronym> and 401 <acronym>GPT</acronym> partitioning schemes.</para> 402 403 <para revision="285253">The &man.quota.1; utility has been 404 updated to include support for <acronym>IPv6</acronym>.</para> 405 406 <para revision="285420">The &man.jail.8; utility has been 407 updated to include a new flag, <literal>-l</literal>, which 408 ensures a clean environment in the target jail when used. 409 Additionally, &man.jail.8; will run a shell within the target 410 jail when run no commands are specified.</para> 411 412 <para revision="285550">The &man.w.1; utility has been updated 413 to display the full IPv6 remote address of the host from which 414 a user is connected.</para> 415 416 <para revision="285685">The &man.jail.8; framework has been 417 updated to allow mounting &man.linprocfs.5; and 418 &man.linsysfs.5; within a jail.</para> 419 420 <para revision="285772" contrib="sponsor" 421 sponsor="&emcisilon;">The &man.patch.1; utility has been 422 updated to include a new option to the <literal>-V</literal> 423 flag, <literal>none</literal>, which disables backup file 424 creation when applying a patch.</para> 425 426 <para revision="286010" contrib="sponsor" sponsor="&ff;">The 427 &man.ar.1; utility now enables deterministic mode 428 (<literal>-D</literal>) by default. This behavior can be 429 disabled by specifying the <literal>-U</literal> flag.</para> 430 431 <para revision="286289" contrib="sponsor" 432 sponsor="&scaleengine;">The &man.xargs.1; utility has been 433 updated to allow specifying <literal>0</literal> as an 434 argument to the <literal>-P</literal> (parallel mode) flag, 435 which allows creating as many concurrent processes as 436 possible.</para> 437 438 <para revision="286795">The &man.patch.1; utility has been 439 updated to remove the automatic checkout feature.</para> 440 </sect2> 441 442 <sect2 xml:id="userland-contrib"> 443 <title>Contributed Software</title> 444 445 <para revision="258884" contrib="sponsor" 446 sponsor="&darpa_afrl;">&man.lldb.1; has been updated to 447 upstream snapshot version r196259.</para> 448 449 <para revision="260445">&man.byacc.1; has been updated to 450 version 20140101.</para> 451 452 <para revision="261283"><application>libc++</application> has 453 been updated to version 3.4.</para> 454 455 <para revision="261320"><application>OpenSSH</application> has 456 been updated to 6.5p1.</para> 457 458 <para revision="261344"><application>mdocml</application> has 459 been updated to version 1.12.3.</para> 460 461 <para revision="261991"><application>LLVM</application> and 462 <application>Clang</application> have been updated to 463 version 3.4.</para> 464 465 <para revision="275718">The <application>binutils</application> 466 suite of utilities has been updated to include upstream 467 patches that add new relocations for &arch.powerpc; 468 support.</para> 469 470 <para revision="276398" contrib="sponsor" sponsor="&ff;">The 471 <application>ELF Tool Chain</application> has been updated to 472 upstream revision r3136.</para> 473 474 <para revision="276551">The <application>texinfo</application> 475 utility and <literal>info</literal> pages were removed from 476 the base system. The <filename 477 role="package">print/texinfo</filename> port should be 478 installed on systems where <literal>info</literal> pages are 479 needed.</para> 480 481 <para revision="276796" contrib="sponsor" sponsor="&ff;">The ELF 482 object manipulation tools 483 <application>addr2line</application>, 484 <application>elfcopy (strip)</application>, 485 <application>nm</application>, 486 <application>readelf</application>, 487 <application>size</application>, and 488 <application>strings</application> were switched to the 489 versions from the ELF Tool Chain project.</para> 490 491 <para revision="276881">The <literal>libedit</literal> library 492 has been updated to include <acronym>UTF-8</acronym> support, 493 adding <acronym>UTF-8</acronym> support to the &man.sh.1; 494 shell.</para> 495 496 <para revision="278433">The &man.xz.1; utility has been updated 497 to support multi-threaded compression.</para> 498 499 <para revision="280932" contrib="sponsor" sponsor="&ff;">The 500 <application>elftoolchain</application> utilities have been 501 updated to version 3179.</para> 502 503 <para revision="281316">The &man.xz.1; utility has been updated 504 to version 5.2.1.</para> 505 506 <para revision="281373">The &man.nvi.1; utility has been updated 507 to version 2.1.3.</para> 508 509 <para revision="281806">The &man.wpa.supplicant.8; and 510 &man.hostapd.8; utilities have been updated to version 511 2.4.</para> 512 513 <para revision="282089">The &man.unbound.8; utility has been 514 updated to version 1.5.3.</para> 515 516 <para revision="282434" contrib="sponsor" sponsor="&ff;">The 517 &man.resolvconf.8; utility has been updated to version 518 3.7.0.</para> 519 520 <para revision="282613">The &man.nc.1; utility has been updated 521 to the OpenBSD 5.7 version.</para> 522 523 <para revision="284237">The &man.file.1; utility has been 524 updated to version 5.23.</para> 525 526 <para revision="284254"><application>bmake</application> has 527 been updated to version 20150606.</para> 528 529 <para revision="285229"><application>sendmail</application> has 530 been updated to 8.15.2. Starting with &os; 11.0 and 531 sendmail 8.15, sendmail uses uncompressed IPv6 addresses by 532 default, i.e., they will not contain <quote>::</quote>. For 533 example, instead of <quote>::1</quote>, it will be 534 <quote>0:0:0:0:0:0:0:1</quote>. This permits a zero subnet to 535 have a more specific match, such as different map entries for 536 IPv6:0:0 versus IPv6:0. This change requires that 537 configuration data (including maps, files, classes, custom 538 ruleset, etc.) must use the same format, so make certain such 539 configuration data is upgrading. As a very simple check 540 search for patterns like 'IPv6:[0-9a-fA-F:]*::' and 'IPv6::'. 541 To return to the old behavior, set the m4 option 542 <literal>confUSE_COMPRESSED_IPV6_ADDRESSES</literal> or the cf 543 option <literal>UseCompressedIPv6Addresses</literal>.</para> 544 545 <para revision="285275">The &man.tcpdump.1; utility has been 546 updated to version 4.7.4.</para> 547 548 <para revision="285329"><application>OpenSSL</application> has 549 been updated to version 1.0.1p.</para> 550 551 <para revision="285642" contrib="sponsor" sponsor="&dell;">The 552 &man.ssh.1; utility has been updated to re-implement hostname 553 canonicalization before locating the host in 554 <filename>known_hosts</filename>.</para> 555 556 <para revision="285972">The &man.libarchive.3; library has been 557 updated to properly skip a sparse file entry in a &man.tar.1; 558 file, which would previously produce errors.</para> 559 560 <para revision="286503">The <application>apr</application> 561 library used by &man.svnlite.1; has been updated to version 562 1.5.2.</para> 563 564 <para revision="286505">The <application>serf</application> 565 library used by &man.svnlite.1; has been updated to version 566 1.3.8.</para> 567 568 <para revision="286505">The &man.svnlite.1; utility has been 569 updated to version 1.8.14.</para> 570 571 <para revision="286510">The <application>sqlite3</application> 572 library used by &man.svnlite.1; and &man.kerberos.8; has been 573 updated to version 3.8.11.1.</para> 574 575 <para revision="286750">Timezone data files have been updated to 576 version 2015f.</para> 577 578 <para revision="287168">The &man.acpi.4; subsystem has been 579 updated to version 20150818.</para> 580 581 <para revision="288090">&man.jemalloc.3; has been updated to 582 version 4.0.2.</para> 583 </sect2> 584 585 <sect2 xml:id="userland-installer"> 586 <title>Installation and Configuration Tools</title> 587 588 <para revision="271539">The &man.bsdinstall.8; partition editor 589 and &man.sade.8; utility have been updated to include native 590 <acronym>ZFS</acronym> support.</para> 591 592 <para revision="272274">The &os; installation utility, 593 &man.bsdinstall.8;, has been updated to set the 594 <literal>canmount</literal> &man.zfs.8; property to 595 <literal>off</literal> for the <filename 596 class="directory">/var</filename> dataset, preventing the 597 contents of directories within <filename 598 class="directory">/var</filename> from conflicting when 599 using multiple boot environments, such as that provided by 600 <filename role="package">sysutils/beadm</filename>.</para> 601 602 <para revision="274394">The &man.bsdconfig.8; utility has been 603 updated to skip the initial &man.tzsetup.8; 604 <acronym>UTC</acronym> versus wall-clock time prompt when run 605 in a virtual machine, determined when the 606 <literal>kern.vm_guest</literal> &man.sysctl.8; is set to 607 <literal>1</literal>.</para> 608 609 <para revision="275874">The &man.bsdinstall.8; utility has been 610 updated to use the new &man.dpv.3; library to display progress 611 when extracting the &os; distributions.</para> 612 613 <para revision="285557" contrib="sponsor" 614 sponsor="&scaleengine;">Support for detecting and implementing 615 aligning partitions on 1Mb boundaries has been added to 616 &man.bsdinstall.8;.</para> 617 618 <para revision="285679" contrib="sponsor" 619 sponsor="&scaleengine;">Support for detecting and implementing 620 a workaround for various laptops and motherboards that do not 621 boot properly from <acronym>GPT</acronym>-partitioned disks 622 has been added to &man.bsdinstall.8;. Additionally, the 623 <literal>active</literal> flag will be set on the partition 624 when needed.</para> 625 626 <para revision="285679" contrib="sponsor" 627 sponsor="&scaleengine;">Support for selecting the partitioning 628 scheme when installing on the <acronym>UFS</acronym> 629 filesystem has been added to &man.bsdinstall.8;.</para> 630 </sect2> 631 632 <sect2 xml:id="userland-rc"> 633 <title><filename class="directory">/etc/rc.d</filename> 634 Scripts</title> 635 636 <para revision="270676">The &man.rc.8; subsystem has been 637 updated to allow configuring services in <filename 638 class="directory">${LOCALBASE}/etc/rc.conf.d/</filename>. 639 If <literal>LOCALBASE</literal> is unset, it defaults to 640 <filename class="directory">/usr/local</filename>.</para> 641 642 <para revision="273955">A new &man.rc.8; script, 643 <filename>growfs</filename>, has been added, which will resize 644 the root filesystem on boot if <filename>/firstboot</filename> 645 exists.</para> 646 647 <para revision="275299">The <filename>mrouted</filename> 648 &man.rc.8; script has been removed from the base system. An 649 equivalent script is available from the <filename 650 role="package">net/mrouted</filename> port.</para> 651 652 <para revision="279463" contrib="sponsor" 653 sponsor="&sandvine;">A new &man.rc.8; script, 654 <filename>iovctl</filename>, has been added, which allows 655 automatically starting the &man.iovctl.8; utility at 656 boot.</para> 657 </sect2> 658 659 <sect2 xml:id="userland-periodic"> 660 <title><filename class="directory">/etc/periodic</filename> 661 Scripts</title> 662 663 <para revision="271321">The daily &man.periodic.8; script 664 <filename>110.clean-tmps</filename> has been updated to avoid 665 crossing filesystem mount boundaries when cleaning files in 666 <filename class="directory">/tmp</filename>.</para> 667 668 <para revision="277216" contrib="sponsor" sponsor="&ff;">A new 669 &man.periodic.8; script, 670 <filename>510.status-world-kernel</filename>, has been added, 671 which evaluates the running userland and kernel versions from 672 the &man.uname.1; <literal>-U</literal> and 673 <literal>-K</literal> arguments, and prints an error if the 674 system userland and kernel are not in sync.</para> 675 </sect2> 676 677 <sect2 xml:id="userland-libraries"> 678 <title>Runtime Libraries and API</title> 679 680 <para revision="265995">The Blowfish &man.crypt.3; default 681 format has been changed to 682 <literal>$2b$</literal>.</para> 683 684 <para revision="268461">The &man.readline.3; library is now 685 statically linked in software within the base system, and the 686 shared library is no longer installed, allowing the Ports 687 Collection to use a modern version of the library.</para> 688 689 <para revision="272273">The &man.strptime.3; library has been 690 updated to add support for <acronym>POSIX</acronym>-2001 691 features <literal>%U</literal> and 692 <literal>%W</literal>.</para> 693 694 <para revision="272842,272848" contrib="sponsor" 695 sponsor="&ff;">The &man.dl.iterate.phdr.3; library has been 696 changed to always return the path name of the 697 <acronym>ELF</acronym> object in the 698 <literal>dlpi_name</literal> structure member.</para> 699 700 <para revision="273562" contrib="sponsor" 701 sponsor="&juniper;">The &man.libxo.3; library has been 702 imported to the base system.</para> 703 704 <para revision="273806" contrib="sponsor" sponsor="&chelsio;">A 705 userland library for Chelsio Terminator 5 based iWARP cards 706 has been added, allowing userland <acronym>RDMA</acronym> 707 applications to work over compatible 708 <acronym>NIC</acronym>s.</para> 709 710 <para revision="274987">The &man.gpio.3; library has been added, 711 providing a wrapper around the &man.gpio.4; kernel 712 interface.</para> 713 714 <para revision="275800" contrib="sponsor" sponsor="&ff;">The 715 &man.procctl.2; system call has been updated to include 716 a facility for non-&man.init.8; processes to be declared as 717 the reaper of child processes and their decendants.</para> 718 719 <para revision="277610">The <literal>futimens()</literal> and 720 <literal>utimensat()</literal> system calls have been 721 added. See &man.utimensat.2; for more information.</para> 722 723 <para revision="278934">The &man.elf.3; compile-time dependency 724 has been removed from <filename>dtri.o</filename>, which 725 allows adding <application>DTrace</application> probes to 726 userland applications and libraries without also linking 727 against &man.elf.3;.</para> 728 729 <para revision="279186">The &man.setmode.3; function has been 730 updated to consistently set <literal>errno</literal> on 731 failure.</para> 732 733 <para revision="279663">The &man.qsort.3; functions have been 734 updated to be able to handle 32-bit aligned data on 64-bit 735 platforms, also providing a significant improvement in 32-bit 736 workloads.</para> 737 738 <para revision="281130">Several standard include headers have 739 been updated to use of <application>gcc</application> 740 attributes, such as <literal>__result_use_check()</literal>, 741 <literal>__alloc_size()</literal>, and 742 <literal>__nonnull()</literal>.</para> 743 744 <para revision="281845">Support for file verification in 745 <acronym>MAC</acronym> has been added.</para> 746 747 <para revision="282973" contrib="sponsor" sponsor="&ff;">The 748 <literal>libgomp</literal> library is now only built when 749 building <acronym>GCC</acronym> from the base system. An 750 up-to-date version is available in the Ports Collection as 751 <filename 752 role="package">devel/libiomp5-devel</filename>.</para> 753 754 <para revision="282988">The <filename>stdlib.h</filename> and 755 <filename>malloc.h</filename> headers have been updated to 756 make use of the <application>gcc</application> 757 <literal>alloc_align()</literal> attribute.</para> 758 759 <para revision="284483" contrib="sponsor" 760 sponsor="&scaleengine;">The Blowfish &man.crypt.3; library 761 has been updated to support $2y$ hashes.</para> 762 763 <para revision="285277">The &man.execl.3; and &man.execlp.3; 764 library functions have been updated to use the 765 <literal>__sentinel</literal> <application>gcc</application> 766 attribute.</para> 767 </sect2> 768 769 <sect2 xml:id="userland-abi"> 770 <title>ABI Compatibility</title> 771 772 <para revision="271982">The &linux; compatibility version has 773 been updated to <literal>2.6.18</literal>. The 774 <literal>compat.linux.osrelease</literal> &man.sysctl.8; is 775 evaluated when building the <filename 776 role="package">emulators/linux-c6</filename> and related 777 ports.</para> 778 </sect2> 779 </sect1> 780 781 <sect1 xml:id="kernel"> 782 <title>Kernel</title> 783 784 <para>This section covers changes to kernel configurations, system 785 tuning, and system control parameters that are not otherwise 786 categorized.</para> 787 788 <sect2 xml:id="kernel-bugfix"> 789 <title>Kernel Bug Fixes</title> 790 791 <para revision="265876">A kernel bug that inhibited proper 792 functionality of the <literal>dev.cpu.0.freq</literal> 793 &man.sysctl.8; on &intel; processors with Turbo 794 Boost ™ enabled has been fixed.</para> 795 796 <para revision="271697" arch="powerpc">Support for 797 &man.dtrace.1; stack tracing has been fixed for 798 &os;/&arch.powerpc;, using the <literal>trapexit()</literal> 799 and <literal>asttrapexit()</literal> functions instead of 800 checking within addressed kernel space.</para> 801 802 <para revision="271917">A kernel panic triggered when destroying 803 a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has 804 been fixed.</para> 805 806 <para revision="271918">A kernel panic triggered when destroying 807 a &man.vnet.9; &man.jail.8; configured with &man.gre.4; has 808 been fixed.</para> 809 810 <para revision="272089">A bug in &man.ipfw.4; that could 811 potentially lead to a kernel panic when using &man.dummynet.4; 812 at layer 2 has been fixed.</para> 813 814 <para revision="280930" contrib="sponsor" sponsor="&mitail;">The 815 kernel <acronym>RPC</acronym> has been updated to include 816 several enhancements:</para> 817 818 <itemizedlist> 819 <listitem> 820 <para>The 45 MiB limit on requests queued for 821 &man.nfsd.8; threads has been removed.</para> 822 </listitem> 823 824 <listitem> 825 <para>Avoids unnecessary throttling by not deferring 826 accounting for completed requests.</para> 827 </listitem> 828 829 <listitem> 830 <para>Fixes an integer overflow and signedness bugs.</para> 831 </listitem> 832 </itemizedlist> 833 834 <para revision="281261" arch="powerpc">Support for 835 &man.dtrace.1; has been added for the 836 Book-E ™.</para> 837 </sect2> 838 839 <sect2 xml:id="kernel-config"> 840 <title>Kernel Configuration</title> 841 842 <para revision="266531">The <literal>IMAGACT_BINMISC</literal> 843 kernel configuration option has been enabled by default, 844 which enables application execution through emulators, such 845 as <application>Qemu</application>.</para> 846 847 <para revision="268045">The <literal>VT</literal> kernel 848 configuration file has been removed, and the &man.vt.4; 849 driver is included in the <literal>GENERIC</literal> kernel. 850 To enable &man.vt.4;, enter <literal>set kern.vty=vt</literal> 851 at the &man.loader.8; prompt during boot, or add 852 <literal>kern.vty=vt</literal> to &man.loader.conf.5; and 853 reboot the system.</para> 854 855 <para revision="277904">The &man.config.8; utility has been 856 updated to allow using a non-standard <filename 857 class="directory">src/</filename> tree, specified as an 858 argument to the <literal>-s</literal> flag.</para> 859 860 <para revision="277990" arch="powerpc64">The 861 &os;/&arch.powerpc64; kernel now builds as 862 a position-independent executable, allowing the kernel to be 863 loaded into and run from any physical or virtual 864 address.</para> 865 866 <important> 867 <para>This change requires an update to &man.loader.8;. 868 The userland and kernel must be updated before rebooting the 869 system.</para> 870 </important> 871 872 <para revision="278338" arch="arm">A new module for creating 873 <filename>rpi.dtb</filename> has been added for the Raspberry 874 Pi.</para> 875 876 <para revision="278340" arch="arm">The 877 <filename>rpi.dtb</filename> module is now installed to 878 <filename class="directory">/boot/dtb/</filename> by 879 default for the Raspberry Pi system.</para> 880 881 <para revision="279189" contrib="sponsor" sponsor="&ff;" 882 arch="powerpc">Kernel support for Vector-Scalar eXtension 883 (<acronym>VSX</acronym>) found on POWER7 and POWER8 hardware 884 has been added.</para> 885 886 <para revision="279252" contrib="sponsor" sponsor="&ff;" 887 arch="powerpc">The &man.pmap.9; implementation for 64-bit 888 &powerpc; processors has been overhaulded to improve 889 concurrency.</para> 890 891 <para revision="279824" arch="arm">A new module for creating 892 the <filename>dtb</filename> module for AM335x systems has 893 been added.</para> 894 895 <para revision="281495" contrib="sponsor" sponsor="&ff;">The 896 <literal>PAE_TABLES</literal> kernel configuration option has 897 been added for &os;/&arch.i386;, which instructs &man.pmap.9; 898 to use <acronym>PAE</acronym> format for page tables while 899 maintaining a 32-bit physical address size elsewhere in the 900 kernel. The use of this option can enhance application-level 901 security by enabling the creation of <quote>no execute</quote> 902 mappings on modern &arch.i386; processors. Unlike the 903 <literal>PAE</literal> option, <literal>PAE_TABLES</literal> 904 preserves kernel binary interface (<acronym>KBI</acronym>) 905 compatibility with non-<literal>PAE</literal> kernels, 906 allowing non-<literal>PAE</literal> kernel modules and drivers 907 to work with a <literal>PAE_TABLES</literal>-enabled kernel. 908 Additionally, system limits are tuned for 4GB maximum 909 <acronym>RAM</acronym>, avoiding kernel virtual address space 910 (<acronym>KVA</acronym>) exhaustion.</para> 911 912 <para revision="282215">The <literal>SIFTR</literal> kernel 913 configuration has been added, allowing building &man.siftr.4; 914 statically into the kernel.</para> 915 916 <para revision="282731" arch="arm">The &arch.arm; boot loader, 917 <filename>ubldr</filename>, is now relocatable. In addition, 918 <filename>ubldr.bin</filename> is now created during build 919 time, which is a stripped binary with an entry point of 920 <literal>0</literal>, providing the ability to specify the 921 load address by running <literal>go 922 ${loadaddr}</literal> in 923 <literal>u-boot</literal>.</para> 924 925 <para revision="282921" contrib="sponsor" sponsor="&intelcorp;" 926 arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are 927 now included in the <filename>GENERIC</filename> kernel 928 configuration by default.</para> 929 930 <para revision="283959" contrib="sponsor" 931 sponsor="&limelight;">A new kernel configuration option, 932 <literal>EM_MULTIQUEUE</literal>, has been added which enables 933 multi-queue support in the &man.em.4; driver.</para> 934 935 <note> 936 <para>Multi-queue support in the &man.em.4; driver is not 937 officially supported by &intel;.</para> 938 </note> 939 940 <para revision="285142" contrib="sponsor" 941 sponsor="&netgate;">The <filename>GENERIC</filename> kernel 942 configuration has been updated to include the 943 <literal>IPSEC</literal> option by default.</para> 944 945 <para revision="285387" contrib="sponsor" 946 sponsor="&norse;, &dell;">Initial <acronym>NUMA</acronym> 947 affinity and policy configuration has been added. See 948 &man.numactl.1;, and &man.numa.getaffinity.2;, for usage 949 details.</para> 950 951 <para revision="286231">The &man.pms.4; driver has been added 952 to the <filename>GENERIC</filename> kernel configuration for 953 supported architectures.</para> 954 </sect2> 955 956 <sect2 xml:id="kernel-sysctl"> 957 <title>System Tuning and Controls</title> 958 959 <para revision="275140" contrib="sponsor" sponsor="&ff;">The 960 &man.hwpmc.4; default and maximum callchain depths have been 961 increased. The default has been increased from 16 to 32, and 962 the maximum increased from 32 to 128.</para> 963 964 <para revision="279361">The <literal>kern.osrelease</literal> 965 and <literal>kern.osreldate</literal> are now configurable 966 &man.jail.8; parameters.</para> 967 968 <para revision="280308,280949" contrib="sponsor" 969 sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has 970 been changed to update timestamps for read/write operations 971 using seconds precision. A new &man.sysctl.8;, 972 <literal>vfs.devfs.dotimes</literal> has been added, which 973 when set to a non-zero value, enables default precision 974 timestamps for these operations.</para> 975 976 <para revision="282213" contrib="sponsor" sponsor="&ff;">A new 977 &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been 978 added, which when set to a non-zero value allows using 979 &man.rctl.8; with the <literal>GENERIC</literal> kernel. 980 A new kernel configuration option, 981 <literal>RACCT_DISABLED</literal> has also been added.</para> 982 983 <para revision="282901" contrib="sponsor" sponsor="&ff;">The 984 <literal>GENERIC</literal> kernel configuration now includes 985 <literal>RACCT</literal> and <literal>RCTL</literal> by 986 default.</para> 987 988 <note> 989 <para>To enable <literal>RACCT</literal> and 990 <literal>RCTL</literal> on a system using the 991 <literal>GENERIC</literal> kernel configuration, add 992 <literal>kern.racct.enable=1</literal> to 993 &man.loader.conf.5;, and reboot the system.</para> 994 </note> 995 996 <para revision="283136" contrib="sponsor" 997 sponsor="&limelight;">A new &man.sysctl.8;, 998 <literal>net.inet.tcp.hostcache.purgenow</literal>, has 999 been added, which when set to <literal>1</literal> during 1000 runtime will flush all 1001 <literal>net.inet.tcp.hostcache</literal> entries.</para> 1002 1003 <para revision="285524">A new &man.sysctl.8;, 1004 <literal>hw.model</literal>, has been added, which displays 1005 <acronym>CPU</acronym> model information.</para> 1006 1007 <para revision="286591">The &man.uart.4; driver has been 1008 updated to allow tuning packets per second captured during 1009 runtime.</para> 1010 </sect2> 1011 </sect1> 1012 1013 <sect1 xml:id="drivers"> 1014 <title>Devices and Drivers</title> 1015 1016 <para>This section covers changes and additions to devices and 1017 device drivers since &release.prev;.</para> 1018 1019 <sect2 xml:id="drivers-device"> 1020 <title>Device Drivers</title> 1021 1022 <para revision="260903">Support for GPS ports has been added to 1023 &man.uhso.4;.</para> 1024 1025 <para revision="265132">The &man.full.4; device has been added, 1026 and the <literal>lindev(4)</literal> device has been removed. 1027 Prior to this change, <literal>lindev(4)</literal> provided 1028 only the <filename>/dev/full</filename> character device, 1029 returning <literal>ENOSPC</literal> on write attempts. As 1030 this device is not specific to &linux;, a native &os; version 1031 has been added.</para> 1032 1033 <para revision="271705">Hardware context support has been 1034 added to the <literal>drm/i915</literal> driver, adding 1035 support for <application>Mesa</application> 9.2 and 1036 later.</para> 1037 1038 <para revision="273178">The &man.vt.4; driver has been updated, 1039 replacing the bitmapped <literal>kern.vt.spclkeys</literal> 1040 &man.sysctl.8; with individual 1041 <literal>kern.vt.kbd_*</literal> variants.</para> 1042 1043 <para revision="273598">The &man.hpet.4; driver has been updated 1044 to create a 1045 <filename>/dev/hpet<replaceable>N</replaceable></filename> 1046 device, providing access to <acronym>HPET</acronym> from 1047 userspace.</para> 1048 1049 <para revision="280183">The <literal>drm</literal> code has 1050 been updated to match &linux; version 3.8.13.</para> 1051 1052 <para revision="281440">The &man.psm.4; driver has been updated 1053 to include improved support for newer Synaptics ® 1054 touchpads and the ClickPad ® mouse on newer 1055 Lenovo ™ laptops.</para> 1056 1057 <para revision="282783" arch="powerpc">Support for the Freescale 1058 <acronym>PCI</acronym> Root Complex device has been 1059 added.</para> 1060 1061 <para revision="285876">The &man.cyapa.4; driver has been added, 1062 supporting the Cypress APA I2C trackpad.</para> 1063 1064 <para revision="285883">The &man.isl.4; driver has been added, 1065 supporting the Intersil I2C ISL29018 digital ambient light 1066 sensor.</para> 1067 </sect2> 1068 1069 <sect2 xml:id="drivers-storage"> 1070 <title>Storage Drivers</title> 1071 1072 <para revision="265236" contrib="sponsor" 1073 sponsor="&lsi;, &spectralogic;" sponsorurl="">The &man.mpr.4; 1074 device has been added, providing support for LSI Fusion-MPT 1075 3 12Gb SCSI/SATA controllers.</para> 1076 1077 <para revision="265555" contrib="sponsor" 1078 sponsor="&lsi;">The &man.mrsas.4; driver has been added, 1079 providing support for LSI MegaRAID SAS controllers. The 1080 &man.mfi.4; driver will attach to the controller, by default. 1081 To enable &man.mrsas.4; add 1082 <literal>hw.mfi.mrsas_enable=1</literal> to 1083 <filename>/boot/loader.conf</filename>, which turns off 1084 &man.mfi.4; device probing.</para> 1085 1086 <note> 1087 <para>At this time, the &man.mfiutil.8; utility and the &os; 1088 version of <application>MegaCLI</application> and 1089 <application>StorCli</application> do not work with 1090 &man.mrsas.4;.</para> 1091 </note> 1092 1093 <para revision="275461" contrib="sponsor" sponsor="&ix;">The 1094 &man.ctl.4; subsystem has been updated, increasing the ports 1095 limit from <literal>128</literal> to <literal>256</literal>, 1096 and <acronym>LUN</acronym> limit from <literal>256</literal> 1097 to <literal>1024</literal>.</para> 1098 1099 <para revision="276526">The <literal>asr(4)</literal> driver has 1100 been removed, and is no longer supported.</para> 1101 1102 <para revision="281387">The &man.hptnr.4; driver has been 1103 updated to version 1.1.1.</para> 1104 1105 <para revision="285662">The &man.pms.4; driver has been added, 1106 providing support for the PMC Sierra line of 1107 <acronym>SAS</acronym>/<acronym>SATA</acronym> host bus 1108 adapters.</para> 1109 1110 <para revision="287117" contrib="sponsor" 1111 sponsor="&emcisilon;">The &man.ioat.4; driver has been added, 1112 providing support for the <acronym>PSE</acronym> (Platform 1113 Storage Extension).</para> 1114 </sect2> 1115 1116 <sect2 xml:id="drivers-network"> 1117 <title>Network Drivers</title> 1118 1119 <para revision="258830">Support for Broadcom chipsets BCM57764, 1120 BCM57767, BCM57782, BCM57786 and BCM57787 has been added to 1121 &man.bge.4;.</para> 1122 1123 <para revision="260448">Support for the &intel; Centrino™ 1124 Wireless-N 135 chipset has been added.</para> 1125 1126 <para revision="260552">Firmware for &intel; Centrino™ 1127 Wireless-N 105 devices has been added to the base 1128 system.</para> 1129 1130 <para revision="261975">The deprecated nve(4) driver has been 1131 removed. Users of NVIDIA nForce MCP network adapters are 1132 advised to use the &man.nfe.4; driver instead, which has been 1133 the default driver for this hardware since 1134 &os; 7.0.</para> 1135 1136 <para revision="264601" contrib="sponsor" 1137 sponsor="&darpa_afrl;">The <literal>if_nf10bmac(4)</literal> 1138 device has been added, providing support for NetFPGA-10G 1139 Embedded CPU Ethernet Core.</para> 1140 1141 <note> 1142 <para>The <literal>if_nf10bmac(4)</literal> driver operates on 1143 the FPGA, and is not suited for the PCI host 1144 interface.</para> 1145 </note> 1146 1147 <para revision="265348" contrib="sponsor" 1148 sponsor="&netgate;">The &man.ath.hal.4; driver has been 1149 updated to support the Atheros AR1111 chipset.</para> 1150 1151 <para revision="266770">Support for the &intel; Centrino™ 1152 Wireless-N 105 chipset has been added.</para> 1153 1154 <para revision="266757" contrib="sponsor" 1155 sponsor="&chelsio;">Support for the &man.cxgbe.4; Terminator 1156 5 (T5) 10G/40G cards has been added to &man.netmap.4;.</para> 1157 1158 <para revision="272730">The &man.alc.4; driver has been updated 1159 to support AR816x and AR817x ethernet controllers.</para> 1160 1161 <para revision="272906">The &man.pf.4; packet filter default hash 1162 has been changed from <literal>Jenkins</literal> to 1163 <literal>Murmur3</literal>, providing a 3-percent performance 1164 increase in packets-per-second.</para> 1165 1166 <para revision="273331">The &man.vxlan.4; driver has been added, 1167 which creates a virtual Layer 2 (Ethernet) network overlaid in 1168 a Layer 3 (IP/UDP) network. The &man.vxlan.4; driver is 1169 analogous to &man.vlan.4;, but is designed to be better suited 1170 for large, multiple-tenant datacenter environments.</para> 1171 1172 <para revision="274246" contrib="sponsor" sponsor="&yandex;">The 1173 &man.gre.4; driver has been significantly overhauled, and has 1174 been split into two separate modules, &man.gre.4; and 1175 &man.me.4;.</para> 1176 1177 <para revision="278551">The &man.ral.4; driver has been updated 1178 to support the RT5390 and RT5392 chipsets.</para> 1179 1180 <para revision="283514" contrib="sponsor" 1181 sponsor="&solarflare;">The &man.sfxge.4; driver has been 1182 updated to support Solarflare Flareon Ultra 7000-series 1183 chipsets.</para> 1184 1185 <para revision="283766" contrib="sponsor" 1186 sponsor="&limelight;">The &man.em.4; driver has been updated 1187 with improved transmission queue hang detection.</para> 1188 1189 <para revision="284125">The &man.cdce.4; driver has been updated 1190 to include support for the RTL8153 chipset.</para> 1191 1192 <para revision="286441">The &man.iwm.4; driver has been imported 1193 from OpenBSD, providing support for &intel; 3160/7260/7265 1194 wireless chipsets.</para> 1195 1196 <para revision="286829" contrib="sponsor" 1197 sponsor="&limelight;">The &man.em.4; driver has been updated 1198 to allow disabling <acronym>CRC</acronym> stripping.</para> 1199 </sect2> 1200 </sect1> 1201 1202 <sect1 xml:id="hardware"> 1203 <title>Hardware Support</title> 1204 1205 <para>This section covers general hardware support for physical 1206 machines, hypervisors, and virtualization environments, as well 1207 as hardware changes and updates that do not otherwise fit in 1208 other sections of this document.</para> 1209 1210 <sect2 xml:id="hardware-support"> 1211 <title>Hardware Support</title> 1212 1213 <para revision="268303">The &man.asmc.4; driver has been 1214 updated to support the &apple; MacMini 3,1.</para> 1215 1216 <para revision="268351">Support for &os;/ia64 has been dropped 1217 as of &os; 11.</para> 1218 1219 <para revision="274386">An issue that could cause a system to 1220 hang when entering <acronym>ACPI</acronym> 1221 <literal>S3</literal> state (suspend to 1222 <acronym>RAM</acronym>) has been corrected in the &man.acpi.4; 1223 and &man.pci.4; drivers.</para> 1224 1225 <para revision="274733" arch="powerpc">The power management unit 1226 subsystem has been updated to support power button events on 1227 certain &arch.powerpc; hardware, such as aluminum 1228 PowerBook ®.</para> 1229 1230 <para revision="275171,275190" arch="powerpc">The &man.hwpmc.4; 1231 driver has been updated to correct performance counter 1232 sampling on G4 (MPC74xxx) and G5 class processors.</para> 1233 1234 <para revision="275732" contrib="sponsor" 1235 sponsor="&ff;,&netgate;">The 1236 <application>OpenCrypto</application> framework has been 1237 updated to include <literal>AES-ICM</literal> and 1238 <literal>AES-GCM</literal> modes, both of which have also been 1239 added to the &man.aesni.4; driver.</para> 1240 1241 <para revision="281713" arch="powerpc">The &man.hwpmc.4; 1242 driver has been updated to support the Freescale e500 1243 core.</para> 1244 1245 <para revision="283766">The &man.ig4.4; driver has been added, 1246 providing support for the fourth generation &intel; 1247 <acronym>I2C</acronym> SMBus.</para> 1248 1249 <para>The &man.uart.4; driver has been updated to support 1250 <acronym>AMT</acronym> devices on newer systems.</para> 1251 1252 <para revision="285316" contrib="sponsor" sponsor="&ff;" 1253 arch="arm64">Initial <acronym>SMP</acronym> support has been 1254 added to the &os;/&arch.arm64; port.</para> 1255 </sect2> 1256 1257 <sect2 xml:id="hardware-virtualization"> 1258 <title>Virtualization Support</title> 1259 1260 <para revision="260410">Support for the <quote>Virtual Interrupt 1261 Delivery</quote> feature of &intel; VT-x is enabled if 1262 supported by the CPU. This feature can be disabled by running 1263 <literal>sysctl hw.vmm.vmx.use_apic_vid=0</literal>. 1264 Additionally, to persist this setting across reboots, add 1265 <literal>hw.vmm.vmx.use_apic_vid=0</literal> to 1266 <filename>/etc/sysctl.conf</filename>.</para> 1267 1268 <para revision="260532">Support for <quote>Posted Interrupt 1269 Processing</quote> is enabled if supported by the CPU. This 1270 feature can be disabled by running <literal>sysctl 1271 hw.vmm.vmx.use_apic_pir=0</literal>. Additionally, to 1272 persist this setting across reboots, add 1273 <literal>hw.vmm.vmx.use_apic_pir=0</literal> to 1274 <filename>/etc/sysctl.conf</filename>.</para> 1275 1276 <para revision="260582">Unmapped IO support has been added to 1277 &man.virtio_blk.4;.</para> 1278 1279 <para revision="260583">Unmapped IO support has been added to 1280 &man.virtio_scsi.4;.</para> 1281 1282 <para revision="260847">The &man.virtio_random.4; driver has 1283 been added to harvest entropy from the host system.</para> 1284 1285 <para revision="261504">&os;/&arch.i386; guests can be run under 1286 bhyve.</para> 1287 1288 <para revision="267536" contrib="sponsor" 1289 sponsor="&citrix.rd;">Support for running a &os;/&arch.amd64; 1290 <application>Xen</application> guest instance as 1291 <acronym>PVH</acronym> guest has been added. 1292 <acronym>PVH</acronym> mode, short for <quote>Para-Virtualized 1293 Hardware</quote>, uses para-virtualized drivers for boot and 1294 I/O, and uses hardware virtualization extensions for all other 1295 tasks, without the need for emulation.</para> 1296 1297 <para revision="273375">The &man.bhyve.8; hypervisor has been 1298 updated to support &amd; processors with 1299 <acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware 1300 extensions.</para> 1301 1302 <para revision="273515">The &man.virtio.console.4; driver has 1303 been added, which provides an interface to VirtIO console 1304 devices through a &man.tty.4; device.</para> 1305 1306 <para revision="279957">The &man.bhyve.8; hypervisor has been 1307 updated to support <literal>DSM TRIM</literal> commands for 1308 virtual <acronym>AHCI</acronym> disks.</para> 1309 1310 <para revision="281439" arch="arm">Support for the 1311 <application>QEMU</application> <literal>virt</literal> system 1312 has been added.</para> 1313 1314 <para revision="282212" contrib="sponsor" sponsor="&msostc;">The 1315 Hyper-V™ drivers have been updated with several 1316 enhancements:</para> 1317 1318 <itemizedlist> 1319 <listitem> 1320 <para>The &man.hv.vmbus.4; driver now has multi-channel 1321 support.</para> 1322 </listitem> 1323 1324 <listitem> 1325 <para>The &man.hv.storvsc.4; driver now has scatter/gather 1326 support, in addition to performance improvements.</para> 1327 </listitem> 1328 1329 <listitem> 1330 <para>The &man.hv.kvp.4; driver has received several bug 1331 fixes.</para> 1332 </listitem> 1333 </itemizedlist> 1334 1335 <para revision="282274">Support for &man.xen.4; para-virtualized 1336 <literal>domU</literal> kernels has been removed.</para> 1337 1338 <para revision="284746" contrib="sponsor" sponsor="&msostc;">The 1339 &man.hv.netvsc.4; driver has been updated to support checksum 1340 offloading and <acronym>TSO</acronym>.</para> 1341 1342 <para revision="286062">The &man.xen.4; driver has been updated 1343 to include support for <literal>blkif</literal> indirect 1344 segment I/O.</para> 1345 </sect2> 1346 1347 <sect2 xml:id="hardware-arm"> 1348 <title>ARM Support</title> 1349 1350 <para revision="260921">The &man.nand.4; device is enabled for 1351 ARM devices by default.</para> 1352 1353 <para revision="266943" arch="arm">Support for the Exynos 5420 1354 Octa system has been added.</para> 1355 1356 <para revision="267390" arch="arm">The <acronym>SMP</acronym> 1357 option has been enabled for all Exynos 5 systems supported by 1358 &os;.</para> 1359 1360 <para revision="268838" arch="arm">Support for the Toradex 1361 Apalis i.MX6 development board has been added.</para> 1362 1363 <para revision="273264" arch="armv6">An issue that could cause 1364 instability when detecting <acronym>SD</acronym> cards on the 1365 Raspberry Pi <acronym>SOC</acronym> has been fixed.</para> 1366 1367 <para revision="275963">The <literal>bcm2835_cpufreq</literal> 1368 driver has been added, which supports <acronym>CPU</acronym> 1369 frequency and voltage control on the Raspberry Pi 1370 <acronym>SOC</acronym>.</para> 1371 1372 <para revision="277042" arch="arm">Support to turn off the 1373 BeagleBone Black system with the &man.shutdown.8; 1374 <literal>-p</literal> flag or by invoking &man.poweroff.8; has 1375 been added.</para> 1376 1377 <para revision="277644" arch="arm">Audio transmission drivers 1378 have been added for Digital Audio Multiplexer 1379 (<acronym>AUDMUXM</acronym>), Smart Direct Memory Access 1380 Controller (<acronym>SDMA</acronym>), and Syncronous Serial 1381 Interface (<acronym>SSI</acronym>).</para> 1382 1383 <para revision="280259" contrib="sponsor" sponsor="&ff;">Initial 1384 support for the ARM AArch64 architecture has been 1385 added.</para> 1386 1387 <para revision="282779" arch="arm">Kernel support for Thumb-2 1388 userland has been added.</para> 1389 1390 <para revision="282827">Support for the hardware power button 1391 on the BeagleBone Black system has been added.</para> 1392 1393 <para revision="284273" contrib="sponsor" 1394 sponsor="&ff;">Initial 1395 <acronym>ACPI</acronym> support has been added for 1396 &os;/&arch.arm64;.</para> 1397 </sect2> 1398 </sect1> 1399 1400 <sect1 xml:id="storage"> 1401 <title>Storage</title> 1402 1403 <para>This section covers changes and additions to file systems 1404 and other storage subsystems, both local and networked.</para> 1405 1406 <sect2 xml:id="storage-general"> 1407 <title>General Storage</title> 1408 1409 <para revision="278037" contrib="sponsor" sponsor="&ix;">The 1410 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 1411 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 1412 with a new mechanism that works for any port.</para> 1413 1414 <para revision="278354" contrib="sponsor" sponsor="&ix;">The 1415 &man.ctld.8; utility has been updated to allow controlling 1416 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 1417 1418 <para revision="275681" contrib="sponsor" sponsor="&ff;">The 1419 &man.autofs.5; subsystem has been updated to include a new 1420 &man.auto.master.5; map, <literal>-media</literal>, which 1421 allows automatically mounting removable media, such as 1422 <acronym>CD</acronym> drives or <acronym>USB</acronym> flash 1423 drives.</para> 1424 1425 <para revision="279955" contrib="sponsor" sponsor="&ff;">The 1426 &man.autofs.5; subsystem has been updated to include a new 1427 &man.auto.master.5; map, <literal>-noauto</literal>, which 1428 handles &man.fstab.5; entries set to 1429 <literal>noauto</literal>.</para> 1430 1431 <para revision="286444">The <acronym>GELI</acronym> class has 1432 been updated to support the <literal>BIO_DELETE</literal> 1433 &man.g.bio.9; <literal>bio_cmd</literal> field, providing 1434 <acronym>TRIM</acronym>/<acronym>UNMAP</acronym> support on 1435 <acronym>GELI</acronym>-backed <acronym>SSD</acronym> storage 1436 providers.</para> 1437 </sect2> 1438 1439 <sect2 xml:id="storage-net"> 1440 <title>Networked Storage</title> 1441 1442 <para revision="270096" contrib="sponsor" sponsor="&ff;">The new 1443 filesystem automount facility, &man.autofs.5;, has been added. 1444 The new &man.autofs.5; facility is similar to that found in 1445 other &unix;-like operating systems, such as OS X™ 1446 and Solaris™. The &man.autofs.5; facility uses 1447 a &sun;-compatible &man.auto.master.5; configuration file, and 1448 is administered with the &man.automount.8; userland utility, 1449 and the &man.automountd.8; and &man.autounmountd.8; 1450 daemons.</para> 1451 1452 <para revision="273849" contrib="sponsor" sponsor="&ff;">Support 1453 for the <literal>timeo</literal>, <literal>actimeo</literal>, 1454 <literal>noac</literal>, and <literal>proto</literal> options 1455 have been added to &man.mount.nfs.8;.</para> 1456 </sect2> 1457 1458 <sect2 xml:id="storage-zfs"> 1459 <title>ZFS</title> 1460 1461 <para revision="275748">The <literal>arc_meta_limit</literal> 1462 statistics are now visible through the 1463 <literal>kstat</literal> &man.sysctl.8;. As a result of this 1464 change, the <literal>vfs.zfs.arc_meta_used</literal> 1465 &man.sysctl.8; has been removed, and replaced with the 1466 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 1467 &man.sysctl.8;.</para> 1468 1469 <para revision="287099" contrib="sponsor" 1470 sponsor="&clusterhq;">The &man.zfs.8; <literal>l2arc</literal> 1471 code has been updated to take <literal>ashift</literal> into 1472 account when gathering buffers to be written to the 1473 <literal>l2arc</literal> device.</para> 1474 </sect2> 1475 1476 <sect2 xml:id="storage-geom"> 1477 <title>&man.geom.4;</title> 1478 1479 <para revision="267359">Support for the 1480 <literal>disklabel64</literal> partitioning scheme has been 1481 added to &man.gpart.8;.</para> 1482 1483 <para revision="282465">Support for the 1484 <literal>apple-boot</literal>, <literal>apple-hfs</literal>, 1485 and <literal>apple-ufs</literal> <acronym>MBR</acronym> 1486 partitioning schemes have been added to &man.gpart.8;.</para> 1487 1488 <para revision="285594" contrib="sponsor" 1489 sponsor="&scaleengine;">The &man.gpart.8; utility has been 1490 updated to include a new attribute for <acronym>GPT</acronym> 1491 partitions, <literal>lenovofix</literal>, which when set, 1492 which works around <acronym>BIOS</acronym> compatibility 1493 issues reported on several Lenovo ™ laptops.</para> 1494 </sect2> 1495 </sect1> 1496 1497 <sect1 xml:id="boot"> 1498 <title>Boot Loader Changes</title> 1499 1500 <para>This section covers the boot loader, boot menu, and other 1501 boot-related changes.</para> 1502 1503 <sect2 xml:id="boot-loader"> 1504 <title>Boot Loader Changes</title> 1505 1506 <para revision="258431" contrib="sponsor" sponsor="&ff;">The 1507 memory test run at boot time on &os;/&arch.amd64; platforms 1508 has been disabled by default.</para> 1509 1510 <para revision="262955">A new &man.ttys.5; class, 1511 <literal>3wire</literal>, has been added. This is similar to 1512 the existing terminal classes, but does not have a defined 1513 baudrate.</para> 1514 1515 <para revision="274085">The &man.vt.4; driver has been made the 1516 default system console driver. The &man.syscons.4; driver is 1517 still available, and can be enabled by adding 1518 <literal>kern.vty=sc</literal> in &man.loader.conf.5;. 1519 Alternatively, &man.syscons.4; can be enabled at boot time by 1520 entering <literal>set kern.vty=sc</literal> at the 1521 &man.loader.8; prompt.</para> 1522 1523 <para revision="279950">Support for <literal>bzipfs</literal> 1524 has been added to the <acronym>EFI</acronym> loader.</para> 1525 1526 <para revision="281616">The boot loader has been updated to 1527 support entering the <acronym>GELI</acronym> passphrase before 1528 loading the kernel. To enable this behavior, add 1529 <literal>geom_eli_passphrase_prompt="YES"</literal> to 1530 &man.loader.conf.5;.</para> 1531 1532 <para revision="284683" contrib="sponsor" sponsor="&ff;" 1533 arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been 1534 updated to enable <filename>ttyu1</filename>, 1535 <filename>ttyu2</filename>, and <filename>ttyu3</filename> by 1536 default, if the callin port is an active console port.</para> 1537 </sect2> 1538 1539 <sect2 xml:id="boot-menu"> 1540 <title>Boot Menu Changes</title> 1541 1542 <para> </para> 1543 </sect2> 1544 </sect1> 1545 1546 <sect1 xml:id="network"> 1547 <title>Networking</title> 1548 1549 <para>This section describes changes that affect networking in 1550 &os;.</para> 1551 1552 <sect2 xml:id="network-protocols"> 1553 <title>Network Protocols</title> 1554 1555 <para revision="263140">Support for the IPX network transport 1556 protocol has been removed, and will not be supported in 1557 &os; 11 and later releases.</para> 1558 1559 <para revision="272720" contrib="sponsor" 1560 sponsor="&limelight;">Support for <acronym>PLPMTUD</acronym> 1561 blackhole detection (<acronym>RFC</acronym> 4821) has been 1562 added to the &man.tcp.4; stack, disabled by default. New 1563 control tunables have been added:</para> 1564 1565 <informaltable frame="none" pgwide="0"> 1566 <tgroup cols="2"> 1567 <colspec colwidth="1*"/> 1568 <colspec colwidth="1*"/> 1569 <thead> 1570 <row> 1571 <entry>Tunable</entry> 1572 <entry>Description</entry> 1573 </row> 1574 </thead> 1575 1576 <tbody> 1577 <row> 1578 <entry><literal>net.inet.tcp.pmtud_blackhole_detection</literal></entry> 1579 <entry>Enables or disables <acronym>PLPMTUD</acronym> 1580 blackhole detection</entry> 1581 </row> 1582 1583 <row> 1584 <entry><literal>net.inet.tcp.pmtud_blackhole_mss</literal></entry> 1585 <entry><acronym>MSS</acronym> to try for IPv4</entry> 1586 </row> 1587 1588 <row> 1589 <entry><literal>net.inet.tcp.v6pmtud_blackhole_mss</literal></entry> 1590 <entry><acronym>MSS to try for IPv6</acronym></entry> 1591 </row> 1592 </tbody> 1593 </tgroup> 1594 </informaltable> 1595 1596 <para>New monitoring &man.sysctl.8;s haven been added:</para> 1597 1598 <informaltable frame="none" pgwide="0"> 1599 <tgroup cols="2"> 1600 <colspec colwidth="1*"/> 1601 <colspec colwidth="1*"/> 1602 <thead> 1603 <row> 1604 <entry>Tunable</entry> 1605 <entry>Description</entry> 1606 </row> 1607 </thead> 1608 1609 <tbody> 1610 <row> 1611 <entry><literal>net.inet.tcp.pmtud_blackhole_activated</literal></entry> 1612 <entry>Number of times the code was activated to attempt 1613 downshifting the <acronym>MSS</acronym></entry> 1614 </row> 1615 1616 <row> 1617 <entry><literal>net.inet.tcp.pmtud_blackhole_min_activated</literal></entry> 1618 <entry>Number of times the blackhole 1619 <acronym>MSS</acronym> was used in an attempt to 1620 downshift</entry> 1621 </row> 1622 1623 <row> 1624 <entry><literal>net.inet.tcp.pmtud_blackhole_failed</literal></entry> 1625 <entry>Number of times that the blackhole failed to 1626 connect after downshifting the 1627 <acronym>MSS</acronym></entry> 1628 </row> 1629 </tbody> 1630 </tgroup> 1631 </informaltable> 1632 1633 <para revision="280971" contrib="sponsor" 1634 sponsor="&netflix;, &nginx;">Support for <acronym>IP</acronym> 1635 identification for atomic datagrams (<acronym>RFC</acronym> 1636 6864) has been added. Support for this feature can be toggled 1637 with the <literal>net.inet.ip.rfc6864</literal> 1638 &man.sysctl.8;, which is enabled by default.</para> 1639 1640 <para revision="285336" contrib="sponsor" 1641 sponsor="&netgate;">The <acronym>IPSEC</acronym> has been 1642 updated to include support for <acronym>AES</acronym> modes on 1643 both software-only and hardware-backed (&man.aesni.4;) 1644 systems.</para> 1645 </sect2> 1646 </sect1> 1647 1648 <sect1 xml:id="ports"> 1649 <title>Ports Collection and Package Infrastructure</title> 1650 1651 <para>This section covers changes to the &os; Ports 1652 Collection, package infrastructure, and package maintenance and 1653 installation tools.</para> 1654 1655 <sect2 xml:id="ports-infrastructure"> 1656 <title>Infrastructure Changes</title> 1657 1658 <para> </para> 1659 </sect2> 1660 1661 <sect2 xml:id="ports-packages "> 1662 <title>Packaging Changes</title> 1663 1664 <para> </para> 1665 </sect2> 1666 </sect1> 1667 1668 <sect1 xml:id="doc"> 1669 <title>Documentation</title> 1670 1671 <para>This section covers changes to the &os; Documentation 1672 Project sources and toolchain.</para> 1673 1674 <sect2 xml:id="doc-sources"> 1675 <title>Documentation Source Changes</title> 1676 1677 <para> </para> 1678 </sect2> 1679 1680 <sect2 xml:id="doc-toolchain"> 1681 <title>Documentation Toolchain Changes</title> 1682 1683 <para> </para> 1684 </sect2> 1685 </sect1> 1686 1687 <sect1 xml:id="releng"> 1688 <title>Release Engineering and Integration</title> 1689 1690 <para>This section convers changes that are specific to the 1691 &os; Release Engineering processes.</para> 1692 1693 <sect2 xml:id="releng-changes"> 1694 <title>Integration Changes</title> 1695 1696 <para revision="277458" contrib="sponsor" sponsor="&ff;">The 1697 Release Engineering build tools have been updated to include 1698 support for producing virtual machine disk images for various 1699 cloud hosting providers.</para> 1700 1701 <para revision="278926">The Release Engineering build tools have 1702 been updated to use multi-threaded &man.xz.1;. By default, 1703 the number of &man.xz.1; threads is set to the number of cores 1704 available.</para> 1705 1706 <para revision="281802" contrib="sponsor" sponsor="&ff;">The 1707 Release Engineering build tools have been updated to include 1708 support for building &os;/&arch.arm64; virtual machine and 1709 memory stick installation images.</para> 1710 1711 <para revision="282693" contrib="sponsor" sponsor="&ff;">The 1712 Release Engineering build tools have been updated to support 1713 building &os;/&arch.arm; images without external utilities for 1714 supported boards where a corresponding 1715 <literal>u-boot</literal> port exists in the Ports 1716 Collection.</para> 1717 1718 <para revision="283307" contrib="sponsor" sponsor="&ff;">The 1719 &os;/&arch.i386; memory stick installation images are now 1720 created using the &man.mkimg.1; utility, matching the way 1721 the &os;/&arch.amd64; images are created.</para> 1722 </sect2> 1723 </sect1> 1724</article> 1725