article.xml revision 288845
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 288845 2015-10-05 20:12:12Z 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="285550">The &man.w.1; utility has been updated 407 to display the full IPv6 remote address of the host from which 408 a user is connected.</para> 409 </sect2> 410 411 <sect2 xml:id="userland-contrib"> 412 <title>Contributed Software</title> 413 414 <para revision="258884" contrib="sponsor" 415 sponsor="&darpa_afrl;">&man.lldb.1; has been updated to 416 upstream snapshot version r196259.</para> 417 418 <para revision="260445">&man.byacc.1; has been updated to 419 version 20140101.</para> 420 421 <para revision="261071">&man.jemalloc.3; has been updated to 422 version 3.5.0.</para> 423 424 <para revision="261283"><application>libc++</application> has 425 been updated to version 3.4.</para> 426 427 <para revision="261320"><application>OpenSSH</application> has 428 been updated to 6.5p1.</para> 429 430 <para revision="261344"><application>mdocml</application> has 431 been updated to version 1.12.3.</para> 432 433 <para revision="261991"><application>LLVM</application> and 434 <application>Clang</application> have been updated to 435 version 3.4.</para> 436 437 <para revision="275718">The <application>binutils</application> 438 suite of utilities has been updated to include upstream 439 patches that add new relocations for &arch.powerpc; 440 support.</para> 441 442 <para revision="276398" contrib="sponsor" sponsor="&ff;">The 443 <application>ELF Tool Chain</application> has been updated to 444 upstream revision r3136.</para> 445 446 <para revision="276551">The <application>texinfo</application> 447 utility and <literal>info</literal> pages were removed from 448 the base system. The <filename 449 role="package">print/texinfo</filename> port should be 450 installed on systems where <literal>info</literal> pages are 451 needed.</para> 452 453 <para revision="276796" contrib="sponsor" sponsor="&ff;">The ELF 454 object manipulation tools 455 <application>addr2line</application>, 456 <application>elfcopy (strip)</application>, 457 <application>nm</application>, 458 <application>readelf</application>, 459 <application>size</application>, and 460 <application>strings</application> were switched to the 461 versions from the ELF Tool Chain project.</para> 462 463 <para revision="276881">The <literal>libedit</literal> library 464 has been updated to include <acronym>UTF-8</acronym> support, 465 adding <acronym>UTF-8</acronym> support to the &man.sh.1; 466 shell.</para> 467 468 <para revision="278433">The &man.xz.1; utility has been updated 469 to support multi-threaded compression.</para> 470 471 <para revision="280932" contrib="sponsor" sponsor="&ff;">The 472 <application>elftoolchain</application> utilities have been 473 updated to version 3179.</para> 474 475 <para revision="281316">The &man.xz.1; utility has been updated 476 to version 5.2.1.</para> 477 478 <para revision="281373">The &man.nvi.1; utility has been updated 479 to version 2.1.3.</para> 480 481 <para revision="281806">The &man.wpa.supplicant.8; and 482 &man.hostapd.8; utilities have been updated to version 483 2.4.</para> 484 485 <para revision="282089">The &man.unbound.8; utility has been 486 updated to version 1.5.3.</para> 487 488 <para revision="282434" contrib="sponsor" sponsor="&ff;">The 489 &man.resolvconf.8; utility has been updated to version 490 3.7.0.</para> 491 492 <para revision="282613">The &man.nc.1; utility has been updated 493 to the OpenBSD 5.7 version.</para> 494 495 <para revision="283092">The &man.acpi.4; subsystem has been 496 updated to version 20150515.</para> 497 498 <para revision="284237">The &man.file.1; utility has been 499 updated to version 5.23.</para> 500 501 <para revision="284254"><application>bmake</application> has 502 been updated to version 20150606.</para> 503 504 <para revision="284397">Timezone data files have been updated to 505 version 2015e.</para> 506 507 <para revision="285229"><application>sendmail</application> has 508 been updated to 8.15.2. Starting with &os; 11.0 and 509 sendmail 8.15, sendmail uses uncompressed IPv6 addresses by 510 default, i.e., they will not contain <quote>::</quote>. For 511 example, instead of <quote>::1</quote>, it will be 512 <quote>0:0:0:0:0:0:0:1</quote>. This permits a zero subnet to 513 have a more specific match, such as different map entries for 514 IPv6:0:0 versus IPv6:0. This change requires that 515 configuration data (including maps, files, classes, custom 516 ruleset, etc.) must use the same format, so make certain such 517 configuration data is upgrading. As a very simple check 518 search for patterns like 'IPv6:[0-9a-fA-F:]*::' and 'IPv6::'. 519 To return to the old behavior, set the m4 option 520 <literal>confUSE_COMPRESSED_IPV6_ADDRESSES</literal> or the cf 521 option <literal>UseCompressedIPv6Addresses</literal>.</para> 522 523 <para revision="285275">The &man.tcpdump.1; utility has been 524 updated to version 4.7.4.</para> 525 526 <para revision="285329"><application>OpenSSL</application> has 527 been updated to version 1.0.1p.</para> 528 529 <para revision="285642" contrib="sponsor" sponsor="&dell;">The 530 &man.ssh.1; utility has been updated to re-implement hostname 531 canonicalization before locating the host in 532 <filename>known_hosts</filename>.</para> 533 </sect2> 534 535 <sect2 xml:id="userland-installer"> 536 <title>Installation and Configuration Tools</title> 537 538 <para revision="271539">The &man.bsdinstall.8; partition editor 539 and &man.sade.8; utility have been updated to include native 540 <acronym>ZFS</acronym> support.</para> 541 542 <para revision="272274">The &os; installation utility, 543 &man.bsdinstall.8;, has been updated to set the 544 <literal>canmount</literal> &man.zfs.8; property to 545 <literal>off</literal> for the <filename 546 class="directory">/var</filename> dataset, preventing the 547 contents of directories within <filename 548 class="directory">/var</filename> from conflicting when 549 using multiple boot environments, such as that provided by 550 <filename role="package">sysutils/beadm</filename>.</para> 551 552 <para revision="274394">The &man.bsdconfig.8; utility has been 553 updated to skip the initial &man.tzsetup.8; 554 <acronym>UTC</acronym> versus wall-clock time prompt when run 555 in a virtual machine, determined when the 556 <literal>kern.vm_guest</literal> &man.sysctl.8; is set to 557 <literal>1</literal>.</para> 558 559 <para revision="275874">The &man.bsdinstall.8; utility has been 560 updated to use the new &man.dpv.3; library to display progress 561 when extracting the &os; distributions.</para> 562 563 <para revision="285557" contrib="sponsor" 564 sponsor="&scaleengine;">Support for detecting and implementing 565 aligning partitions on 1Mb boundaries has been added to 566 &man.bsdinstall.8;.</para> 567 568 <para revision="285679" contrib="sponsor" 569 sponsor="&scaleengine;">Support for detecting and implementing 570 a workaround for various laptops and motherboards that do not 571 boot properly from <acronym>GPT</acronym>-partitioned disks 572 has been added to &man.bsdinstall.8;. Additionally, the 573 <literal>active</literal> flag will be set on the partition 574 when needed.</para> 575 576 <para revision="285679" contrib="sponsor" 577 sponsor="&scaleengine;">Support for selecting the partitioning 578 scheme when installing on the <acronym>UFS</acronym> 579 filesystem has been added to &man.bsdinstall.8;.</para> 580 </sect2> 581 582 <sect2 xml:id="userland-rc"> 583 <title><filename class="directory">/etc/rc.d</filename> 584 Scripts</title> 585 586 <para revision="270676">The &man.rc.8; subsystem has been 587 updated to allow configuring services in <filename 588 class="directory">${LOCALBASE}/etc/rc.conf.d/</filename>. 589 If <literal>LOCALBASE</literal> is unset, it defaults to 590 <filename class="directory">/usr/local</filename>.</para> 591 592 <para revision="273955">A new &man.rc.8; script, 593 <filename>growfs</filename>, has been added, which will resize 594 the root filesystem on boot if <filename>/firstboot</filename> 595 exists.</para> 596 597 <para revision="275299">The <filename>mrouted</filename> 598 &man.rc.8; script has been removed from the base system. An 599 equivalent script is available from the <filename 600 role="package">net/mrouted</filename> port.</para> 601 602 <para revision="279463" contrib="sponsor" 603 sponsor="&sandvine;">A new &man.rc.8; script, 604 <filename>iovctl</filename>, has been added, which allows 605 automatically starting the &man.iovctl.8; utility at 606 boot.</para> 607 </sect2> 608 609 <sect2 xml:id="userland-periodic"> 610 <title><filename class="directory">/etc/periodic</filename> 611 Scripts</title> 612 613 <para revision="271321">The daily &man.periodic.8; script 614 <filename>110.clean-tmps</filename> has been updated to avoid 615 crossing filesystem mount boundaries when cleaning files in 616 <filename class="directory">/tmp</filename>.</para> 617 618 <para revision="277216" contrib="sponsor" sponsor="&ff;">A new 619 &man.periodic.8; script, 620 <filename>510.status-world-kernel</filename>, has been added, 621 which evaluates the running userland and kernel versions from 622 the &man.uname.1; <literal>-U</literal> and 623 <literal>-K</literal> arguments, and prints an error if the 624 system userland and kernel are not in sync.</para> 625 </sect2> 626 627 <sect2 xml:id="userland-libraries"> 628 <title>Runtime Libraries and API</title> 629 630 <para revision="265995">The Blowfish &man.crypt.3; default 631 format has been changed to 632 <literal>$2b$</literal>.</para> 633 634 <para revision="268461">The &man.readline.3; library is now 635 statically linked in software within the base system, and the 636 shared library is no longer installed, allowing the Ports 637 Collection to use a modern version of the library.</para> 638 639 <para revision="272273">The &man.strptime.3; library has been 640 updated to add support for <acronym>POSIX</acronym>-2001 641 features <literal>%U</literal> and 642 <literal>%W</literal>.</para> 643 644 <para revision="272842,272848" contrib="sponsor" 645 sponsor="&ff;">The &man.dl.iterate.phdr.3; library has been 646 changed to always return the path name of the 647 <acronym>ELF</acronym> object in the 648 <literal>dlpi_name</literal> structure member.</para> 649 650 <para revision="273562" contrib="sponsor" 651 sponsor="&juniper;">The &man.libxo.3; library has been 652 imported to the base system.</para> 653 654 <para revision="273806" contrib="sponsor" sponsor="&chelsio;">A 655 userland library for Chelsio Terminator 5 based iWARP cards 656 has been added, allowing userland <acronym>RDMA</acronym> 657 applications to work over compatible 658 <acronym>NIC</acronym>s.</para> 659 660 <para revision="274987">The &man.gpio.3; library has been added, 661 providing a wrapper around the &man.gpio.4; kernel 662 interface.</para> 663 664 <para revision="275800" contrib="sponsor" sponsor="&ff;">The 665 &man.procctl.2; system call has been updated to include 666 a facility for non-&man.init.8; processes to be declared as 667 the reaper of child processes and their decendants.</para> 668 669 <para revision="277610">The <literal>futimens()</literal> and 670 <literal>utimensat()</literal> system calls have been 671 added. See &man.utimensat.2; for more information.</para> 672 673 <para revision="278934">The &man.elf.3; compile-time dependency 674 has been removed from <filename>dtri.o</filename>, which 675 allows adding <application>DTrace</application> probes to 676 userland applications and libraries without also linking 677 against &man.elf.3;.</para> 678 679 <para revision="279186">The &man.setmode.3; function has been 680 updated to consistently set <literal>errno</literal> on 681 failure.</para> 682 683 <para revision="279663">The &man.qsort.3; functions have been 684 updated to be able to handle 32-bit aligned data on 64-bit 685 platforms, also providing a significant improvement in 32-bit 686 workloads.</para> 687 688 <para revision="281130">Several standard include headers have 689 been updated to use of <application>gcc</application> 690 attributes, such as <literal>__result_use_check()</literal>, 691 <literal>__alloc_size()</literal>, and 692 <literal>__nonnull()</literal>.</para> 693 694 <para revision="281845">Support for file verification in 695 <acronym>MAC</acronym> has been added.</para> 696 697 <para revision="282973" contrib="sponsor" sponsor="&ff;">The 698 <literal>libgomp</literal> library is now only built when 699 building <acronym>GCC</acronym> from the base system. An 700 up-to-date version is available in the Ports Collection as 701 <filename 702 role="package">devel/libiomp5-devel</filename>.</para> 703 704 <para revision="282988">The <filename>stdlib.h</filename> and 705 <filename>malloc.h</filename> headers have been updated to 706 make use of the <application>gcc</application> 707 <literal>alloc_align()</literal> attribute.</para> 708 709 <para revision="284483" contrib="sponsor" 710 sponsor="&scaleengine;">The Blowfish &man.crypt.3; library 711 has been updated to support $2y$ hashes.</para> 712 713 <para revision="285277">The &man.execl.3; and &man.execlp.3; 714 library functions have been updated to use the 715 <literal>__sentinel</literal> <application>gcc</application> 716 attribute.</para> 717 </sect2> 718 719 <sect2 xml:id="userland-abi"> 720 <title>ABI Compatibility</title> 721 722 <para revision="271982">The &linux; compatibility version has 723 been updated to <literal>2.6.18</literal>. The 724 <literal>compat.linux.osrelease</literal> &man.sysctl.8; is 725 evaluated when building the <filename 726 role="package">emulators/linux-c6</filename> and related 727 ports.</para> 728 </sect2> 729 </sect1> 730 731 <sect1 xml:id="kernel"> 732 <title>Kernel</title> 733 734 <para>This section covers changes to kernel configurations, system 735 tuning, and system control parameters that are not otherwise 736 categorized.</para> 737 738 <sect2 xml:id="kernel-bugfix"> 739 <title>Kernel Bug Fixes</title> 740 741 <para revision="265876">A kernel bug that inhibited proper 742 functionality of the <literal>dev.cpu.0.freq</literal> 743 &man.sysctl.8; on &intel; processors with Turbo 744 Boost ™ enabled has been fixed.</para> 745 746 <para revision="271697" arch="powerpc">Support for 747 &man.dtrace.1; stack tracing has been fixed for 748 &os;/&arch.powerpc;, using the <literal>trapexit()</literal> 749 and <literal>asttrapexit()</literal> functions instead of 750 checking within addressed kernel space.</para> 751 752 <para revision="271917">A kernel panic triggered when destroying 753 a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has 754 been fixed.</para> 755 756 <para revision="271918">A kernel panic triggered when destroying 757 a &man.vnet.9; &man.jail.8; configured with &man.gre.4; has 758 been fixed.</para> 759 760 <para revision="272089">A bug in &man.ipfw.4; that could 761 potentially lead to a kernel panic when using &man.dummynet.4; 762 at layer 2 has been fixed.</para> 763 764 <para revision="280930" contrib="sponsor" sponsor="&mitail;">The 765 kernel <acronym>RPC</acronym> has been updated to include 766 several enhancements:</para> 767 768 <itemizedlist> 769 <listitem> 770 <para>The 45 MiB limit on requests queued for 771 &man.nfsd.8; threads has been removed.</para> 772 </listitem> 773 774 <listitem> 775 <para>Avoids unnecessary throttling by not deferring 776 accounting for completed requests.</para> 777 </listitem> 778 779 <listitem> 780 <para>Fixes an integer overflow and signedness bugs.</para> 781 </listitem> 782 </itemizedlist> 783 784 <para revision="281261" arch="powerpc">Support for 785 &man.dtrace.1; has been added for the 786 Book-E ™.</para> 787 </sect2> 788 789 <sect2 xml:id="kernel-config"> 790 <title>Kernel Configuration</title> 791 792 <para revision="266531">The <literal>IMAGACT_BINMISC</literal> 793 kernel configuration option has been enabled by default, 794 which enables application execution through emulators, such 795 as <application>Qemu</application>.</para> 796 797 <para revision="268045">The <literal>VT</literal> kernel 798 configuration file has been removed, and the &man.vt.4; 799 driver is included in the <literal>GENERIC</literal> kernel. 800 To enable &man.vt.4;, enter <literal>set kern.vty=vt</literal> 801 at the &man.loader.8; prompt during boot, or add 802 <literal>kern.vty=vt</literal> to &man.loader.conf.5; and 803 reboot the system.</para> 804 805 <para revision="277904">The &man.config.8; utility has been 806 updated to allow using a non-standard <filename 807 class="directory">src/</filename> tree, specified as an 808 argument to the <literal>-s</literal> flag.</para> 809 810 <para revision="277990" arch="powerpc64">The 811 &os;/&arch.powerpc64; kernel now builds as 812 a position-independent executable, allowing the kernel to be 813 loaded into and run from any physical or virtual 814 address.</para> 815 816 <important> 817 <para>This change requires an update to &man.loader.8;. 818 The userland and kernel must be updated before rebooting the 819 system.</para> 820 </important> 821 822 <para revision="278338" arch="arm">A new module for creating 823 <filename>rpi.dtb</filename> has been added for the Raspberry 824 Pi.</para> 825 826 <para revision="278340" arch="arm">The 827 <filename>rpi.dtb</filename> module is now installed to 828 <filename class="directory">/boot/dtb/</filename> by 829 default for the Raspberry Pi system.</para> 830 831 <para revision="279189" contrib="sponsor" sponsor="&ff;" 832 arch="powerpc">Kernel support for Vector-Scalar eXtension 833 (<acronym>VSX</acronym>) found on POWER7 and POWER8 hardware 834 has been added.</para> 835 836 <para revision="279252" contrib="sponsor" sponsor="&ff;" 837 arch="powerpc">The &man.pmap.9; implementation for 64-bit 838 &powerpc; processors has been overhaulded to improve 839 concurrency.</para> 840 841 <para revision="279824" arch="arm">A new module for creating 842 the <filename>dtb</filename> module for AM335x systems has 843 been added.</para> 844 845 <para revision="281495" contrib="sponsor" sponsor="&ff;">The 846 <literal>PAE_TABLES</literal> kernel configuration option has 847 been added for &os;/&arch.i386;, which instructs &man.pmap.9; 848 to use <acronym>PAE</acronym> format for page tables while 849 maintaining a 32-bit physical address size elsewhere in the 850 kernel. The use of this option can enhance application-level 851 security by enabling the creation of <quote>no execute</quote> 852 mappings on modern &arch.i386; processors. Unlike the 853 <literal>PAE</literal> option, <literal>PAE_TABLES</literal> 854 preserves kernel binary interface (<acronym>KBI</acronym>) 855 compatibility with non-<literal>PAE</literal> kernels, 856 allowing non-<literal>PAE</literal> kernel modules and drivers 857 to work with a <literal>PAE_TABLES</literal>-enabled kernel. 858 Additionally, system limits are tuned for 4GB maximum 859 <acronym>RAM</acronym>, avoiding kernel virtual address space 860 (<acronym>KVA</acronym>) exhaustion.</para> 861 862 <para revision="282215">The <literal>SIFTR</literal> kernel 863 configuration has been added, allowing building &man.siftr.4; 864 statically into the kernel.</para> 865 866 <para revision="282731" arch="arm">The &arch.arm; boot loader, 867 <filename>ubldr</filename>, is now relocatable. In addition, 868 <filename>ubldr.bin</filename> is now created during build 869 time, which is a stripped binary with an entry point of 870 <literal>0</literal>, providing the ability to specify the 871 load address by running <literal>go 872 ${loadaddr}</literal> in 873 <literal>u-boot</literal>.</para> 874 875 <para revision="282921" contrib="sponsor" sponsor="&intelcorp;" 876 arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are 877 now included in the <filename>GENERIC</filename> kernel 878 configuration by default.</para> 879 880 <para revision="283959" contrib="sponsor" 881 sponsor="&limelight;">A new kernel configuration option, 882 <literal>EM_MULTIQUEUE</literal>, has been added which enables 883 multi-queue support in the &man.em.4; driver.</para> 884 885 <note> 886 <para>Multi-queue support in the &man.em.4; driver is not 887 officially supported by &intel;.</para> 888 </note> 889 890 <para revision="285142" contrib="sponsor" 891 sponsor="&netgate;">The <filename>GENERIC</filename> kernel 892 configuration has been updated to include the 893 <literal>IPSEC</literal> option by default.</para> 894 895 <para revision="285387" contrib="sponsor" 896 sponsor="&norse;, &dell;">Initial <acronym>NUMA</acronym> 897 affinity and policy configuration has been added. See 898 &man.numactl.1;, and &man.numa.getaffinity.2;, for usage 899 details.</para> 900 </sect2> 901 902 <sect2 xml:id="kernel-sysctl"> 903 <title>System Tuning and Controls</title> 904 905 <para revision="275140" contrib="sponsor" sponsor="&ff;">The 906 &man.hwpmc.4; default and maximum callchain depths have been 907 increased. The default has been increased from 16 to 32, and 908 the maximum increased from 32 to 128.</para> 909 910 <para revision="279361">The <literal>kern.osrelease</literal> 911 and <literal>kern.osreldate</literal> are now configurable 912 &man.jail.8; parameters.</para> 913 914 <para revision="280308,280949" contrib="sponsor" 915 sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has 916 been changed to update timestamps for read/write operations 917 using seconds precision. A new &man.sysctl.8;, 918 <literal>vfs.devfs.dotimes</literal> has been added, which 919 when set to a non-zero value, enables default precision 920 timestamps for these operations.</para> 921 922 <para revision="282213" contrib="sponsor" sponsor="&ff;">A new 923 &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been 924 added, which when set to a non-zero value allows using 925 &man.rctl.8; with the <literal>GENERIC</literal> kernel. 926 A new kernel configuration option, 927 <literal>RACCT_DISABLED</literal> has also been added.</para> 928 929 <para revision="282901" contrib="sponsor" sponsor="&ff;">The 930 <literal>GENERIC</literal> kernel configuration now includes 931 <literal>RACCT</literal> and <literal>RCTL</literal> by 932 default.</para> 933 934 <note> 935 <para>To enable <literal>RACCT</literal> and 936 <literal>RCTL</literal> on a system using the 937 <literal>GENERIC</literal> kernel configuration, add 938 <literal>kern.racct.enable=1</literal> to 939 &man.loader.conf.5;, and reboot the system.</para> 940 </note> 941 942 <para revision="283136" contrib="sponsor" 943 sponsor="&limelight;">A new &man.sysctl.8;, 944 <literal>net.inet.tcp.hostcache.purgenow</literal>, has 945 been added, which when set to <literal>1</literal> during 946 runtime will flush all 947 <literal>net.inet.tcp.hostcache</literal> entries.</para> 948 </sect2> 949 </sect1> 950 951 <sect1 xml:id="drivers"> 952 <title>Devices and Drivers</title> 953 954 <para>This section covers changes and additions to devices and 955 device drivers since &release.prev;.</para> 956 957 <sect2 xml:id="drivers-device"> 958 <title>Device Drivers</title> 959 960 <para revision="260903">Support for GPS ports has been added to 961 &man.uhso.4;.</para> 962 963 <para revision="265132">The &man.full.4; device has been added, 964 and the <literal>lindev(4)</literal> device has been removed. 965 Prior to this change, <literal>lindev(4)</literal> provided 966 only the <filename>/dev/full</filename> character device, 967 returning <literal>ENOSPC</literal> on write attempts. As 968 this device is not specific to &linux;, a native &os; version 969 has been added.</para> 970 971 <para revision="271705">Hardware context support has been 972 added to the <literal>drm/i915</literal> driver, adding 973 support for <application>Mesa</application> 9.2 and 974 later.</para> 975 976 <para revision="273178">The &man.vt.4; driver has been updated, 977 replacing the bitmapped <literal>kern.vt.spclkeys</literal> 978 &man.sysctl.8; with individual 979 <literal>kern.vt.kbd_*</literal> variants.</para> 980 981 <para revision="273598">The &man.hpet.4; driver has been updated 982 to create a 983 <filename>/dev/hpet<replaceable>N</replaceable></filename> 984 device, providing access to <acronym>HPET</acronym> from 985 userspace.</para> 986 987 <para revision="280183">The <literal>drm</literal> code has 988 been updated to match &linux; version 3.8.13.</para> 989 990 <para revision="281440">The &man.psm.4; driver has been updated 991 to include improved support for newer Synaptics ® 992 touchpads and the ClickPad ® mouse on newer 993 Lenovo ™ laptops.</para> 994 995 <para revision="282783" arch="powerpc">Support for the Freescale 996 <acronym>PCI</acronym> Root Complex device has been 997 added.</para> 998 </sect2> 999 1000 <sect2 xml:id="drivers-storage"> 1001 <title>Storage Drivers</title> 1002 1003 <para revision="265236" contrib="sponsor" 1004 sponsor="&lsi;, &spectralogic;" sponsorurl="">The &man.mpr.4; 1005 device has been added, providing support for LSI Fusion-MPT 1006 3 12Gb SCSI/SATA controllers.</para> 1007 1008 <para revision="265555" contrib="sponsor" 1009 sponsor="&lsi;">The &man.mrsas.4; driver has been added, 1010 providing support for LSI MegaRAID SAS controllers. The 1011 &man.mfi.4; driver will attach to the controller, by default. 1012 To enable &man.mrsas.4; add 1013 <literal>hw.mfi.mrsas_enable=1</literal> to 1014 <filename>/boot/loader.conf</filename>, which turns off 1015 &man.mfi.4; device probing.</para> 1016 1017 <note> 1018 <para>At this time, the &man.mfiutil.8; utility and the &os; 1019 version of <application>MegaCLI</application> and 1020 <application>StorCli</application> do not work with 1021 &man.mrsas.4;.</para> 1022 </note> 1023 1024 <para revision="275461" contrib="sponsor" sponsor="&ix;">The 1025 &man.ctl.4; subsystem has been updated, increasing the ports 1026 limit from <literal>128</literal> to <literal>256</literal>, 1027 and <acronym>LUN</acronym> limit from <literal>256</literal> 1028 to <literal>1024</literal>.</para> 1029 1030 <para revision="276526">The <literal>asr(4)</literal> driver has 1031 been removed, and is no longer supported.</para> 1032 1033 <para revision="281387">The &man.hptnr.4; driver has been 1034 updated to version 1.1.1.</para> 1035 </sect2> 1036 1037 <sect2 xml:id="drivers-network"> 1038 <title>Network Drivers</title> 1039 1040 <para revision="258830">Support for Broadcom chipsets BCM57764, 1041 BCM57767, BCM57782, BCM57786 and BCM57787 has been added to 1042 &man.bge.4;.</para> 1043 1044 <para revision="260448">Support for the &intel; Centrino™ 1045 Wireless-N 135 chipset has been added.</para> 1046 1047 <para revision="260552">Firmware for &intel; Centrino™ 1048 Wireless-N 105 devices has been added to the base 1049 system.</para> 1050 1051 <para revision="261975">The deprecated nve(4) driver has been 1052 removed. Users of NVIDIA nForce MCP network adapters are 1053 advised to use the &man.nfe.4; driver instead, which has been 1054 the default driver for this hardware since 1055 &os; 7.0.</para> 1056 1057 <para revision="264601" contrib="sponsor" 1058 sponsor="&darpa_afrl;">The <literal>if_nf10bmac(4)</literal> 1059 device has been added, providing support for NetFPGA-10G 1060 Embedded CPU Ethernet Core.</para> 1061 1062 <note> 1063 <para>The <literal>if_nf10bmac(4)</literal> driver operates on 1064 the FPGA, and is not suited for the PCI host 1065 interface.</para> 1066 </note> 1067 1068 <para revision="265348" contrib="sponsor" 1069 sponsor="&netgate;">The &man.ath.hal.4; driver has been 1070 updated to support the Atheros AR1111 chipset.</para> 1071 1072 <para revision="266770">Support for the &intel; Centrino™ 1073 Wireless-N 105 chipset has been added.</para> 1074 1075 <para revision="266757" contrib="sponsor" 1076 sponsor="&chelsio;">Support for the &man.cxgbe.4; Terminator 1077 5 (T5) 10G/40G cards has been added to &man.netmap.4;.</para> 1078 1079 <para revision="272730">The &man.alc.4; driver has been updated 1080 to support AR816x and AR817x ethernet controllers.</para> 1081 1082 <para revision="272906">The &man.pf.4; packet filter default hash 1083 has been changed from <literal>Jenkins</literal> to 1084 <literal>Murmur3</literal>, providing a 3-percent performance 1085 increase in packets-per-second.</para> 1086 1087 <para revision="273331">The &man.vxlan.4; driver has been added, 1088 which creates a virtual Layer 2 (Ethernet) network overlaid in 1089 a Layer 3 (IP/UDP) network. The &man.vxlan.4; driver is 1090 analogous to &man.vlan.4;, but is designed to be better suited 1091 for large, multiple-tenant datacenter environments.</para> 1092 1093 <para revision="274246" contrib="sponsor" sponsor="&yandex;">The 1094 &man.gre.4; driver has been significantly overhauled, and has 1095 been split into two separate modules, &man.gre.4; and 1096 &man.me.4;.</para> 1097 1098 <para revision="278551">The &man.ral.4; driver has been updated 1099 to support the RT5390 and RT5392 chipsets.</para> 1100 1101 <para revision="283514" contrib="sponsor" 1102 sponsor="&solarflare;">The &man.sfxge.4; driver has been 1103 updated to support Solarflare Flareon Ultra 7000-series 1104 chipsets.</para> 1105 1106 <para revision="283766" contrib="sponsor" 1107 sponsor="&limelight;">The &man.em.4; driver has been updated 1108 with improved transmission queue hang detection.</para> 1109 1110 <para revision="284125">The &man.cdce.4; driver has been updated 1111 to include support for the RTL8153 chipset.</para> 1112 </sect2> 1113 </sect1> 1114 1115 <sect1 xml:id="hardware"> 1116 <title>Hardware Support</title> 1117 1118 <para>This section covers general hardware support for physical 1119 machines, hypervisors, and virtualization environments, as well 1120 as hardware changes and updates that do not otherwise fit in 1121 other sections of this document.</para> 1122 1123 <sect2 xml:id="hardware-support"> 1124 <title>Hardware Support</title> 1125 1126 <para revision="268303">The &man.asmc.4; driver has been 1127 updated to support the &apple; MacMini 3,1.</para> 1128 1129 <para revision="268351">Support for &os;/ia64 has been dropped 1130 as of &os; 11.</para> 1131 1132 <para revision="274386">An issue that could cause a system to 1133 hang when entering <acronym>ACPI</acronym> 1134 <literal>S3</literal> state (suspend to 1135 <acronym>RAM</acronym>) has been corrected in the &man.acpi.4; 1136 and &man.pci.4; drivers.</para> 1137 1138 <para revision="274733" arch="powerpc">The power management unit 1139 subsystem has been updated to support power button events on 1140 certain &arch.powerpc; hardware, such as aluminum 1141 PowerBook ®.</para> 1142 1143 <para revision="275171,275190" arch="powerpc">The &man.hwpmc.4; 1144 driver has been updated to correct performance counter 1145 sampling on G4 (MPC74xxx) and G5 class processors.</para> 1146 1147 <para revision="275732" contrib="sponsor" 1148 sponsor="&ff;,&netgate;">The 1149 <application>OpenCrypto</application> framework has been 1150 updated to include <literal>AES-ICM</literal> and 1151 <literal>AES-GCM</literal> modes, both of which have also been 1152 added to the &man.aesni.4; driver.</para> 1153 1154 <para revision="281713" arch="powerpc">The &man.hwpmc.4; 1155 driver has been updated to support the Freescale e500 1156 core.</para> 1157 1158 <para revision="283766">The &man.ig4.4; driver has been added, 1159 providing support for the fourth generation &intel; 1160 <acronym>I2C</acronym> SMBus.</para> 1161 1162 <para>The &man.uart.4; driver has been updated to support 1163 <acronym>AMT</acronym> devices on newer systems.</para> 1164 1165 <para revision="285316" contrib="sponsor" sponsor="&ff;" 1166 arch="arm64">Initial <acronym>SMP</acronym> support has been 1167 added to the &os;/&arch.arm64; port.</para> 1168 </sect2> 1169 1170 <sect2 xml:id="hardware-virtualization"> 1171 <title>Virtualization Support</title> 1172 1173 <para revision="260410">Support for the <quote>Virtual Interrupt 1174 Delivery</quote> feature of &intel; VT-x is enabled if 1175 supported by the CPU. This feature can be disabled by running 1176 <literal>sysctl hw.vmm.vmx.use_apic_vid=0</literal>. 1177 Additionally, to persist this setting across reboots, add 1178 <literal>hw.vmm.vmx.use_apic_vid=0</literal> to 1179 <filename>/etc/sysctl.conf</filename>.</para> 1180 1181 <para revision="260532">Support for <quote>Posted Interrupt 1182 Processing</quote> is enabled if supported by the CPU. This 1183 feature can be disabled by running <literal>sysctl 1184 hw.vmm.vmx.use_apic_pir=0</literal>. Additionally, to 1185 persist this setting across reboots, add 1186 <literal>hw.vmm.vmx.use_apic_pir=0</literal> to 1187 <filename>/etc/sysctl.conf</filename>.</para> 1188 1189 <para revision="260582">Unmapped IO support has been added to 1190 &man.virtio_blk.4;.</para> 1191 1192 <para revision="260583">Unmapped IO support has been added to 1193 &man.virtio_scsi.4;.</para> 1194 1195 <para revision="260847">The &man.virtio_random.4; driver has 1196 been added to harvest entropy from the host system.</para> 1197 1198 <para revision="261504">&os;/&arch.i386; guests can be run under 1199 bhyve.</para> 1200 1201 <para revision="267536" contrib="sponsor" 1202 sponsor="&citrix.rd;">Support for running a &os;/&arch.amd64; 1203 <application>Xen</application> guest instance as 1204 <acronym>PVH</acronym> guest has been added. 1205 <acronym>PVH</acronym> mode, short for <quote>Para-Virtualized 1206 Hardware</quote>, uses para-virtualized drivers for boot and 1207 I/O, and uses hardware virtualization extensions for all other 1208 tasks, without the need for emulation.</para> 1209 1210 <para revision="273375">The &man.bhyve.8; hypervisor has been 1211 updated to support &amd; processors with 1212 <acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware 1213 extensions.</para> 1214 1215 <para revision="273515">The &man.virtio.console.4; driver has 1216 been added, which provides an interface to VirtIO console 1217 devices through a &man.tty.4; device.</para> 1218 1219 <para revision="279957">The &man.bhyve.8; hypervisor has been 1220 updated to support <literal>DSM TRIM</literal> commands for 1221 virtual <acronym>AHCI</acronym> disks.</para> 1222 1223 <para revision="281439" arch="arm">Support for the 1224 <application>QEMU</application> <literal>virt</literal> system 1225 has been added.</para> 1226 1227 <para revision="282212" contrib="sponsor" sponsor="&msostc;">The 1228 Hyper-V™ drivers have been updated with several 1229 enhancements:</para> 1230 1231 <itemizedlist> 1232 <listitem> 1233 <para>The &man.hv.vmbus.4; driver now has multi-channel 1234 support.</para> 1235 </listitem> 1236 1237 <listitem> 1238 <para>The &man.hv.storvsc.4; driver now has scatter/gather 1239 support, in addition to performance improvements.</para> 1240 </listitem> 1241 1242 <listitem> 1243 <para>The &man.hv.kvp.4; driver has received several bug 1244 fixes.</para> 1245 </listitem> 1246 </itemizedlist> 1247 1248 <para revision="282274">Support for &man.xen.4; para-virtualized 1249 <literal>domU</literal> kernels has been removed.</para> 1250 1251 <para revision="284746" contrib="sponsor" sponsor="&msostc;">The 1252 &man.hv.netvsc.4; driver has been updated to support checksum 1253 offloading and <acronym>TSO</acronym>.</para> 1254 </sect2> 1255 1256 <sect2 xml:id="hardware-arm"> 1257 <title>ARM Support</title> 1258 1259 <para revision="260921">The &man.nand.4; device is enabled for 1260 ARM devices by default.</para> 1261 1262 <para revision="266943" arch="arm">Support for the Exynos 5420 1263 Octa system has been added.</para> 1264 1265 <para revision="267390" arch="arm">The <acronym>SMP</acronym> 1266 option has been enabled for all Exynos 5 systems supported by 1267 &os;.</para> 1268 1269 <para revision="268838" arch="arm">Support for the Toradex 1270 Apalis i.MX6 development board has been added.</para> 1271 1272 <para revision="273264" arch="armv6">An issue that could cause 1273 instability when detecting <acronym>SD</acronym> cards on the 1274 Raspberry Pi <acronym>SOC</acronym> has been fixed.</para> 1275 1276 <para revision="275963">The <literal>bcm2835_cpufreq</literal> 1277 driver has been added, which supports <acronym>CPU</acronym> 1278 frequency and voltage control on the Raspberry Pi 1279 <acronym>SOC</acronym>.</para> 1280 1281 <para revision="277042" arch="arm">Support to turn off the 1282 BeagleBone Black system with the &man.shutdown.8; 1283 <literal>-p</literal> flag or by invoking &man.poweroff.8; has 1284 been added.</para> 1285 1286 <para revision="277644" arch="arm">Audio transmission drivers 1287 have been added for Digital Audio Multiplexer 1288 (<acronym>AUDMUXM</acronym>), Smart Direct Memory Access 1289 Controller (<acronym>SDMA</acronym>), and Syncronous Serial 1290 Interface (<acronym>SSI</acronym>).</para> 1291 1292 <para revision="280259" contrib="sponsor" sponsor="&ff;">Initial 1293 support for the ARM AArch64 architecture has been 1294 added.</para> 1295 1296 <para revision="282779" arch="arm">Kernel support for Thumb-2 1297 userland has been added.</para> 1298 1299 <para revision="282827">Support for the hardware power button 1300 on the BeagleBone Black system has been added.</para> 1301 1302 <para revision="284273" contrib="sponsor" 1303 sponsor="&ff;">Initial 1304 <acronym>ACPI</acronym> support has been added for 1305 &os;/&arch.arm64;.</para> 1306 </sect2> 1307 </sect1> 1308 1309 <sect1 xml:id="storage"> 1310 <title>Storage</title> 1311 1312 <para>This section covers changes and additions to file systems 1313 and other storage subsystems, both local and networked.</para> 1314 1315 <sect2 xml:id="storage-general"> 1316 <title>General Storage</title> 1317 1318 <para revision="278037" contrib="sponsor" sponsor="&ix;">The 1319 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 1320 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 1321 with a new mechanism that works for any port.</para> 1322 1323 <para revision="278354" contrib="sponsor" sponsor="&ix;">The 1324 &man.ctld.8; utility has been updated to allow controlling 1325 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 1326 1327 <para revision="275681" contrib="sponsor" sponsor="&ff;">The 1328 &man.autofs.5; subsystem has been updated to include a new 1329 &man.auto.master.5; map, <literal>-media</literal>, which 1330 allows automatically mounting removable media, such as 1331 <acronym>CD</acronym> drives or <acronym>USB</acronym> flash 1332 drives.</para> 1333 1334 <para revision="279955" contrib="sponsor" sponsor="&ff;">The 1335 &man.autofs.5; subsystem has been updated to include a new 1336 &man.auto.master.5; map, <literal>-noauto</literal>, which 1337 handles &man.fstab.5; entries set to 1338 <literal>noauto</literal>.</para> 1339 </sect2> 1340 1341 <sect2 xml:id="storage-net"> 1342 <title>Networked Storage</title> 1343 1344 <para revision="270096" contrib="sponsor" sponsor="&ff;">The new 1345 filesystem automount facility, &man.autofs.5;, has been added. 1346 The new &man.autofs.5; facility is similar to that found in 1347 other &unix;-like operating systems, such as OS X™ 1348 and Solaris™. The &man.autofs.5; facility uses 1349 a &sun;-compatible &man.auto.master.5; configuration file, and 1350 is administered with the &man.automount.8; userland utility, 1351 and the &man.automountd.8; and &man.autounmountd.8; 1352 daemons.</para> 1353 1354 <para revision="273849" contrib="sponsor" sponsor="&ff;">Support 1355 for the <literal>timeo</literal>, <literal>actimeo</literal>, 1356 <literal>noac</literal>, and <literal>proto</literal> options 1357 have been added to &man.mount.nfs.8;.</para> 1358 </sect2> 1359 1360 <sect2 xml:id="storage-zfs"> 1361 <title>ZFS</title> 1362 1363 <para revision="275748">The <literal>arc_meta_limit</literal> 1364 statistics are now visible through the 1365 <literal>kstat</literal> &man.sysctl.8;. As a result of this 1366 change, the <literal>vfs.zfs.arc_meta_used</literal> 1367 &man.sysctl.8; has been removed, and replaced with the 1368 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 1369 &man.sysctl.8;.</para> 1370 </sect2> 1371 1372 <sect2 xml:id="storage-geom"> 1373 <title>&man.geom.4;</title> 1374 1375 <para revision="267359">Support for the 1376 <literal>disklabel64</literal> partitioning scheme has been 1377 added to &man.gpart.8;.</para> 1378 1379 <para revision="282465">Support for the 1380 <literal>apple-boot</literal>, <literal>apple-hfs</literal>, 1381 and <literal>apple-ufs</literal> <acronym>MBR</acronym> 1382 partitioning schemes have been added to &man.gpart.8;.</para> 1383 </sect2> 1384 </sect1> 1385 1386 <sect1 xml:id="boot"> 1387 <title>Boot Loader Changes</title> 1388 1389 <para>This section covers the boot loader, boot menu, and other 1390 boot-related changes.</para> 1391 1392 <sect2 xml:id="boot-loader"> 1393 <title>Boot Loader Changes</title> 1394 1395 <para revision="258431" contrib="sponsor" sponsor="&ff;">The 1396 memory test run at boot time on &os;/&arch.amd64; platforms 1397 has been disabled by default.</para> 1398 1399 <para revision="262955">A new &man.ttys.5; class, 1400 <literal>3wire</literal>, has been added. This is similar to 1401 the existing terminal classes, but does not have a defined 1402 baudrate.</para> 1403 1404 <para revision="274085">The &man.vt.4; driver has been made the 1405 default system console driver. The &man.syscons.4; driver is 1406 still available, and can be enabled by adding 1407 <literal>kern.vty=sc</literal> in &man.loader.conf.5;. 1408 Alternatively, &man.syscons.4; can be enabled at boot time by 1409 entering <literal>set kern.vty=sc</literal> at the 1410 &man.loader.8; prompt.</para> 1411 1412 <para revision="279950">Support for <literal>bzipfs</literal> 1413 has been added to the <acronym>EFI</acronym> loader.</para> 1414 1415 <para revision="281616">The boot loader has been updated to 1416 support entering the <acronym>GELI</acronym> passphrase before 1417 loading the kernel. To enable this behavior, add 1418 <literal>geom_eli_passphrase_prompt="YES"</literal> to 1419 &man.loader.conf.5;.</para> 1420 1421 <para revision="284683" contrib="sponsor" sponsor="&ff;" 1422 arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been 1423 updated to enable <filename>ttyu1</filename>, 1424 <filename>ttyu2</filename>, and <filename>ttyu3</filename> by 1425 default, if the callin port is an active console port.</para> 1426 </sect2> 1427 1428 <sect2 xml:id="boot-menu"> 1429 <title>Boot Menu Changes</title> 1430 1431 <para> </para> 1432 </sect2> 1433 </sect1> 1434 1435 <sect1 xml:id="network"> 1436 <title>Networking</title> 1437 1438 <para>This section describes changes that affect networking in 1439 &os;.</para> 1440 1441 <sect2 xml:id="network-protocols"> 1442 <title>Network Protocols</title> 1443 1444 <para revision="263140">Support for the IPX network transport 1445 protocol has been removed, and will not be supported in 1446 &os; 11 and later releases.</para> 1447 1448 <para revision="272720" contrib="sponsor" 1449 sponsor="&limelight;">Support for <acronym>PLPMTUD</acronym> 1450 blackhole detection (<acronym>RFC</acronym> 4821) has been 1451 added to the &man.tcp.4; stack, disabled by default. New 1452 control tunables have been added:</para> 1453 1454 <informaltable frame="none" pgwide="0"> 1455 <tgroup cols="2"> 1456 <colspec colwidth="1*"/> 1457 <colspec colwidth="1*"/> 1458 <thead> 1459 <row> 1460 <entry>Tunable</entry> 1461 <entry>Description</entry> 1462 </row> 1463 </thead> 1464 1465 <tbody> 1466 <row> 1467 <entry><literal>net.inet.tcp.pmtud_blackhole_detection</literal></entry> 1468 <entry>Enables or disables <acronym>PLPMTUD</acronym> 1469 blackhole detection</entry> 1470 </row> 1471 1472 <row> 1473 <entry><literal>net.inet.tcp.pmtud_blackhole_mss</literal></entry> 1474 <entry><acronym>MSS</acronym> to try for IPv4</entry> 1475 </row> 1476 1477 <row> 1478 <entry><literal>net.inet.tcp.v6pmtud_blackhole_mss</literal></entry> 1479 <entry><acronym>MSS to try for IPv6</acronym></entry> 1480 </row> 1481 </tbody> 1482 </tgroup> 1483 </informaltable> 1484 1485 <para>New monitoring &man.sysctl.8;s haven been added:</para> 1486 1487 <informaltable frame="none" pgwide="0"> 1488 <tgroup cols="2"> 1489 <colspec colwidth="1*"/> 1490 <colspec colwidth="1*"/> 1491 <thead> 1492 <row> 1493 <entry>Tunable</entry> 1494 <entry>Description</entry> 1495 </row> 1496 </thead> 1497 1498 <tbody> 1499 <row> 1500 <entry><literal>net.inet.tcp.pmtud_blackhole_activated</literal></entry> 1501 <entry>Number of times the code was activated to attempt 1502 downshifting the <acronym>MSS</acronym></entry> 1503 </row> 1504 1505 <row> 1506 <entry><literal>net.inet.tcp.pmtud_blackhole_min_activated</literal></entry> 1507 <entry>Number of times the blackhole 1508 <acronym>MSS</acronym> was used in an attempt to 1509 downshift</entry> 1510 </row> 1511 1512 <row> 1513 <entry><literal>net.inet.tcp.pmtud_blackhole_failed</literal></entry> 1514 <entry>Number of times that the blackhole failed to 1515 connect after downshifting the 1516 <acronym>MSS</acronym></entry> 1517 </row> 1518 </tbody> 1519 </tgroup> 1520 </informaltable> 1521 1522 <para revision="280971" contrib="sponsor" 1523 sponsor="&netflix;, &nginx;">Support for <acronym>IP</acronym> 1524 identification for atomic datagrams (<acronym>RFC</acronym> 1525 6864) has been added. Support for this feature can be toggled 1526 with the <literal>net.inet.ip.rfc6864</literal> 1527 &man.sysctl.8;, which is enabled by default.</para> 1528 1529 <para revision="285336" contrib="sponsor" 1530 sponsor="&netgate;">The <acronym>IPSEC</acronym> has been 1531 updated to include support for <acronym>AES</acronym> modes on 1532 both software-only and hardware-backed (&man.aesni.4;) 1533 systems.</para> 1534 </sect2> 1535 </sect1> 1536 1537 <sect1 xml:id="ports"> 1538 <title>Ports Collection and Package Infrastructure</title> 1539 1540 <para>This section covers changes to the &os; Ports 1541 Collection, package infrastructure, and package maintenance and 1542 installation tools.</para> 1543 1544 <sect2 xml:id="ports-infrastructure"> 1545 <title>Infrastructure Changes</title> 1546 1547 <para> </para> 1548 </sect2> 1549 1550 <sect2 xml:id="ports-packages "> 1551 <title>Packaging Changes</title> 1552 1553 <para> </para> 1554 </sect2> 1555 </sect1> 1556 1557 <sect1 xml:id="doc"> 1558 <title>Documentation</title> 1559 1560 <para>This section covers changes to the &os; Documentation 1561 Project sources and toolchain.</para> 1562 1563 <sect2 xml:id="doc-sources"> 1564 <title>Documentation Source Changes</title> 1565 1566 <para> </para> 1567 </sect2> 1568 1569 <sect2 xml:id="doc-toolchain"> 1570 <title>Documentation Toolchain Changes</title> 1571 1572 <para> </para> 1573 </sect2> 1574 </sect1> 1575 1576 <sect1 xml:id="releng"> 1577 <title>Release Engineering and Integration</title> 1578 1579 <para>This section convers changes that are specific to the 1580 &os; Release Engineering processes.</para> 1581 1582 <sect2 xml:id="releng-changes"> 1583 <title>Integration Changes</title> 1584 1585 <para revision="277458" contrib="sponsor" sponsor="&ff;">The 1586 Release Engineering build tools have been updated to include 1587 support for producing virtual machine disk images for various 1588 cloud hosting providers.</para> 1589 1590 <para revision="278926">The Release Engineering build tools have 1591 been updated to use multi-threaded &man.xz.1;. By default, 1592 the number of &man.xz.1; threads is set to the number of cores 1593 available.</para> 1594 1595 <para revision="281802" contrib="sponsor" sponsor="&ff;">The 1596 Release Engineering build tools have been updated to include 1597 support for building &os;/&arch.arm64; virtual machine and 1598 memory stick installation images.</para> 1599 1600 <para revision="282693" contrib="sponsor" sponsor="&ff;">The 1601 Release Engineering build tools have been updated to support 1602 building &os;/&arch.arm; images without external utilities for 1603 supported boards where a corresponding 1604 <literal>u-boot</literal> port exists in the Ports 1605 Collection.</para> 1606 1607 <para revision="283307" contrib="sponsor" sponsor="&ff;">The 1608 &os;/&arch.i386; memory stick installation images are now 1609 created using the &man.mkimg.1; utility, matching the way 1610 the &os;/&arch.amd64; images are created.</para> 1611 </sect2> 1612 </sect1> 1613</article> 1614