article.xml revision 285897
1139749Simp<?xml version="1.0" encoding="iso-8859-1"?> 291355Simp<!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN" 391355Simp "../../../share/xml/freebsd50.dtd" [ 491355Simp<!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent"> 591355Simp %release; 691355Simp<!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent"> 791355Simp %sponsor; 891355Simp<!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent"> 991355Simp %vendor; 1091355Simp<!ENTITY security SYSTEM "../../share/xml/security.xml"> 1191355Simp<!ENTITY errata SYSTEM "../../share/xml/errata.xml"> 1291355Simp]> 1391355Simp<article xmlns="http://docbook.org/ns/docbook" 1491355Simp xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"> 1591355Simp 1691355Simp <info> 1791355Simp <title>&os; &release.current; Release Notes</title> 1891355Simp 1991355Simp <author> 2091355Simp <orgname>The &os; Project</orgname> 2191355Simp </author> 2291355Simp 2391355Simp <pubdate>$FreeBSD: head/release/doc/en_US.ISO8859-1/relnotes/article.xml 285897 2015-07-26 19:47:05Z gjb $</pubdate> 2491355Simp 2591355Simp <!-- Last rev: 284814 --> 2691355Simp 2791355Simp <copyright> 2891355Simp <year>2015</year> 2991355Simp <holder role="mailto:doc@FreeBSD.org">The &os; Documentation 3091355Simp Project</holder> 3191355Simp </copyright> 3291355Simp 3391355Simp <legalnotice xml:id="trademarks" role="trademarks"> 3491355Simp &tm-attrib.freebsd; 3591355Simp &tm-attrib.ibm; 3691355Simp &tm-attrib.ieee; 37154599Sjhb &tm-attrib.intel; 3891355Simp &tm-attrib.sparc; 39154599Sjhb &tm-attrib.general; 40102440Sjhb </legalnotice> 41102440Sjhb 42102440Sjhb <abstract> 43153898Simp <para>The release notes for &os; &release.current; contain 44153898Simp a summary of the changes made to the &os; base system on the 45128058Simp &release.branch; development line. This document lists 4691355Simp applicable security advisories that were issued since the last 4791355Simp release, as well as significant changes to the &os; kernel and 4891355Simp userland. Some brief remarks on upgrading are also 4991355Simp presented.</para> 5091355Simp </abstract> 5191355Simp </info> 52163163Sjmg 53163163Sjmg <sect1 xml:id="intro"> 54163163Sjmg <title>Introduction</title> 55163163Sjmg 5691355Simp <para>This document contains the release notes for &os; 5791355Simp &release.current;. It describes recently added, changed, or 5891355Simp deleted features of &os;. It also provides some notes on 59119266Simp upgrading from previous versions of &os;.</para> 6091355Simp 6191355Simp <para releasetype="current">The &release.type; distribution to 62119266Simp which these release notes apply represents the latest point 63113544Smdodd along the &release.branch; development branch since 64113544Smdodd &release.branch; was created. Information regarding pre-built, 65113544Smdodd binary &release.type; distributions along this branch can be 66113544Smdodd found at <uri 67153560Sjhb xlink:href="&release.url;">&release.url;</uri>.</para> 68153560Sjhb 6991355Simp <para releasetype="snapshot">The &release.type; distribution to 7091355Simp which these release notes apply represents a point along the 7191355Simp &release.branch; development branch between &release.prev; and 7291355Simp the future &release.next;. Information regarding pre-built, 7391355Simp binary &release.type; distributions along this branch can be 7491355Simp found at <uri 7592233Simp xlink:href="&release.url;">&release.url;</uri>.</para> 7692233Simp 7791355Simp <para releasetype="release">This distribution of &os; 7891355Simp &release.current; is a &release.type; distribution. It can be 79111056Simp found at <uri xlink:href="&release.url;">&release.url;</uri> or 80111056Simp any of its mirrors. More information on obtaining this (or 81111056Simp other) &release.type; distributions of &os; can be found in the 82111056Simp <link 83117115Stmm xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining 84120155Siwasaki &os;</quote> appendix</link> to the <link 85128058Simp xlink:href="&url.books.handbook;/">&os; 86142735Simp Handbook</link>.</para> 87142735Simp 88164067Sjhb <para>All users are encouraged to consult the release errata 8991355Simp 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 </sect2> 177 178 <sect2 xml:id="userland-programs"> 179 <title>Userland Application Changes</title> 180 181 <para revision="258838" contrib="sponsor" sponsor="&ff;, 182 &google;" sponsorurl="">The &man.casperd.8; daemon has been 183 added, which provides access to functionality that is not 184 available in the <quote>capability mode</quote> 185 sandbox.</para> 186 187 <para revision="260594">When unable to load a kernel module with 188 &man.kldload.8;, a message informing to view output of 189 &man.dmesg.8; is now printed, opposed to the previous output 190 <quote>Exec format error.</quote>.</para> 191 192 <para revision="260910">Allow &man.pciconf.8; to identify PCI 193 devices that are attached to a driver to be identified by 194 their device name instead of just the selector. Additionally, 195 an optional device argument to the <literal>-l</literal> flag 196 to restrict the output to only listing details about a single 197 device.</para> 198 199 <para revision="260913">A new flag, <quote>onifconsole</quote> 200 has been added to <filename>/etc/ttys</filename>. This allows 201 the system to provide a login prompt via serial console if the 202 device is an active kernel console, otherwise it is equivalent 203 to <literal>off</literal>.</para> 204 205 <para revision="260926">Support for displaying VPD for PCI 206 devices via &man.pciconf.8; has been added.</para> 207 208 <para revision="261498">&man.ping.8; protects against malicious 209 network packets using the Capsicum framework to drop 210 privileges.</para> 211 212 <para revision="265229">The &man.ps.1; utility has been 213 updated to include the <literal>-J</literal> flag, used to 214 filter output by matching &man.jail.8; IDs and names. 215 Additionally, argument <literal>0</literal> can be used to 216 <literal>-J</literal> to only list processes running on the 217 host system.</para> 218 219 <para revision="265249">The &man.top.1; utility has been updated 220 to filter by &man.jail.8; ID or name, in followup to the 221 &man.ps.1; change in <literal>r265229</literal>.</para> 222 223 <para revision="266209">The &man.pmcstat.8; utility has been 224 updated to include a new flag, <literal>-l</literal>, which 225 ends event collection after the specified number of 226 seconds.</para> 227 228 <para revision="270745">The &man.ps.1; utility has been updated 229 to include a new keyword, <quote>tracer</quote>, which 230 displays the <acronym>PID</acronym> of the tracing 231 process.</para> 232 233 <para revision="271482">Support for adding empty partitions has 234 been added to the &man.mkimg.1; utility.</para> 235 236 <para revision="272166">The &man.primes.6; utility has been 237 updated to correctly enumerate prime numbers between 238 <literal>4295098369</literal> and 239 <literal>3825123056546413050</literal>, which prior to this 240 change, it would be possible for returned values to be 241 incorrectly identified as prime numbers.</para> 242 243 <para revision="272198">The &man.mkimg.1; utility has been 244 updated to include three options used to print information 245 about &man.mkimg.1; itself:</para> 246 247 <informaltable frame="none" pgwide="0"> 248 <tgroup cols="2"> 249 <colspec colwidth="1*"/> 250 <colspec colwidth="1*"/> 251 <thead> 252 <row> 253 <entry>Option</entry> 254 <entry>Output</entry> 255 </row> 256 </thead> 257 258 <tbody> 259 <row> 260 <entry><literal>--version</literal></entry> 261 <entry>The current version of the &man.mkimg.1; 262 utility</entry> 263 </row> 264 265 <row> 266 <entry><literal>--formats</literal></entry> 267 <entry>The disk image file formats supported by 268 &man.mkimg.1;</entry> 269 </row> 270 271 <row> 272 <entry><literal>--schemes</literal></entry> 273 <entry>The partition schemes supported by 274 &man.mkimg.1;</entry> 275 </row> 276 </tbody> 277 </tgroup> 278 </informaltable> 279 280 <para revision="272488">Userland &man.ctf.5; support in 281 &man.dtrace.1; has been added. With this change, 282 &man.dtrace.1; is able to resolve type info for function and 283 <acronym>USDT</acronym> probe arguments, and function return 284 values.</para> 285 286 <para revision="274960">The &man.elfdump.1; utility has been 287 updated to support capability mode provided by 288 &man.capsicum.4;.</para> 289 290 <para revision="275680" contrib="sponsor" sponsor="&ff;">The 291 &man.fstyp.8; utility has been added, which is used to 292 determine the filesystem on a specified device.</para> 293 294 <para revision="276881">The <literal>libedit</literal> library 295 has been updated to support <acronym>UTF</acronym>-8, which 296 additionally provides unicode support to &man.sh.1;.</para> 297 298 <para revision="276893" contrib="sponsor" sponsor="&ff;">The 299 &man.mkimg.1; utility has been updated to support the 300 <acronym>MBR</acronym> <acronym>EFI</acronym> partition 301 type.</para> 302 303 <para revision="277166" arch="powerpc">The &man.ptrace.2; system 304 call has been updated include support for Altivec registers on 305 &os;/&arch.powerpc;.</para> 306 307 <para revision="278320">A new device control utility, 308 &man.devctl.8; has been added, which allows making 309 administrative changes to individual devices, such as 310 attaching and detaching drivers, and enabling and disabling 311 devices. The &man.devctl.8; utility uses the new 312 &man.devctl.3; library.</para> 313 314 <para revision="279122" contrib="sponsor" 315 sponsor="&juniper;">The &man.netstat.1; utility has been 316 updated to link against the &man.libxo.3; shared 317 library.</para> 318 319 <para revision="279139">A new flag, <literal>-c</literal>, has 320 been added to the &man.mkimg.1; utility, which allows 321 specifying the capacity of the target disk image.</para> 322 323 <para revision="279315" contrib="sponsor" sponsor="&ff;">The 324 &man.uefisign.8; utility has been added.</para> 325 326 <para revision="279571" contrib="sponsor" 327 sponsor="&scaleengine;">The &man.freebsd-update.8; utility has 328 been updated to prevent fetching updated binary patches when 329 a previous upgrade has not been thoroughly completed.</para> 330 331 <para revision="280870">A regression in the &man.libarchive.3; 332 library that would prevent a directory from being included in 333 the archive when <literal>--one-file-system</literal> is used 334 has been fixed.</para> 335 336 <para revision="281311" contrib="sponsor" sponsor="&ff;">The 337 &man.ar.1; utility has been updated to set 338 <literal>ARCHIVE_EXTRACT_SECURE_SYMLINKS</literal> and 339 <literal>ARCHIVE_EXTRACT_SECURE_NODOTDOT</literal> to disallow 340 directory traversal when extracting an archive, similar to 341 &man.tar.1;.</para> 342 343 <para revision="281617">A race condition in &man.wc.1; that 344 would cause final results to be sent to &man.stderr.4; when 345 receiving the <literal>SIGINFO</literal> signal has been 346 fixed.</para> 347 348 <para revision="282208" contrib="sponsor" 349 sponsor="&multiplay;">The &man.chflags.1;, &man.chgrp.1;, 350 &man.chmod.1;, and &man.chown.8; utilities now affect symbolic 351 links when the <literal>-R</literal> flag is specified, as 352 documented in &man.symlink.7;.</para> 353 354 <para revision="282608">The &man.date.1; utility has been 355 updated to print the modification time of the file passed as 356 an argument to the <literal>-r</literal> flag, improving 357 compatibility with the <acronym>GNU</acronym> &man.date.1; 358 utility behavior.</para> 359 360 <para revision="283961">The &man.pw.8; utility has been updated 361 with a new flag, <literal>-R</literal>, that sets the root 362 directory within which the utility will operate.</para> 363 364 <para revision="284297" contrib="sponsor" 365 sponsor="&clusterhq;">The &man.lockstat.1; utility has been 366 updated with several improvements:</para> 367 368 <itemizedlist> 369 <listitem> 370 <para>Spin locks are now reported as the amount of time 371 spinning, instead of loop iterations.</para> 372 </listitem> 373 374 <listitem> 375 <para>Reader locks are now recognized as adaptive that can 376 spin on &os;.</para> 377 </listitem> 378 379 <listitem> 380 <para>Lock aquisition events for successful reader try-lock 381 events are now reported.</para> 382 </listitem> 383 384 <listitem> 385 <para>Spin and block events are now reported before lock 386 acquisition events.</para> 387 </listitem> 388 </itemizedlist> 389 390 <para revision="284589" contrib="sponsor" 391 sponsor="&scaleengine;">The &man.fstyp.8; utility has been 392 updated to be able to detect &man.zfs.8; and &man.geli.8; 393 filesystems.</para> 394 395 <para revision="285550">The &man.w.1; utility has been updated 396 to display the full IPv6 remote address of the host from which 397 a user is connected.</para> 398 </sect2> 399 400 <sect2 xml:id="userland-contrib"> 401 <title>Contributed Software</title> 402 403 <para revision="258884" contrib="sponsor" 404 sponsor="&darpa_afrl;">&man.lldb.1; has been updated to 405 upstream snapshot version r196259.</para> 406 407 <para revision="260445">&man.byacc.1; has been updated to 408 version 20140101.</para> 409 410 <para revision="261071">&man.jemalloc.3; has been updated to 411 version 3.5.0.</para> 412 413 <para revision="261283"><application>libc++</application> has 414 been updated to version 3.4.</para> 415 416 <para revision="261320"><application>OpenSSH</application> has 417 been updated to 6.5p1.</para> 418 419 <para revision="261344"><application>mdocml</application> has 420 been updated to version 1.12.3.</para> 421 422 <para revision="261991"><application>LLVM</application> and 423 <application>Clang</application> have been updated to 424 version 3.4.</para> 425 426 <para revision="275718">The <application>binutils</application> 427 suite of utilities has been updated to include upstream 428 patches that add new relocations for &arch.powerpc; 429 support.</para> 430 431 <para revision="276398" contrib="sponsor" sponsor="&ff;">The 432 <application>ELF Tool Chain</application> has been updated to 433 upstream revision r3136.</para> 434 435 <para revision="276551">The <application>texinfo</application> 436 utility and <literal>info</literal> pages were removed from 437 the base system. The <filename 438 role="package">print/texinfo</filename> port should be 439 installed on systems where <literal>info</literal> pages are 440 needed.</para> 441 442 <para revision="276796" contrib="sponsor" sponsor="&ff;">The ELF 443 object manipulation tools 444 <application>addr2line</application>, 445 <application>elfcopy (strip)</application>, 446 <application>nm</application>, 447 <application>readelf</application>, 448 <application>size</application>, and 449 <application>strings</application> were switched to the 450 versions from the ELF Tool Chain project.</para> 451 452 <para revision="276881">The <literal>libedit</literal> library 453 has been updated to include <acronym>UTF-8</acronym> support, 454 adding <acronym>UTF-8</acronym> support to the &man.sh.1; 455 shell.</para> 456 457 <para revision="278433">The &man.xz.1; utility has been updated 458 to support multi-threaded compression.</para> 459 460 <para revision="280932" contrib="sponsor" sponsor="&ff;">The 461 <application>elftoolchain</application> utilities have been 462 updated to version 3179.</para> 463 464 <para revision="281316">The &man.xz.1; utility has been updated 465 to version 5.2.1.</para> 466 467 <para revision="281373">The &man.nvi.1; utility has been updated 468 to version 2.1.3.</para> 469 470 <para revision="281806">The &man.wpa.supplicant.8; and 471 &man.hostapd.8; utilities have been updated to version 472 2.4.</para> 473 474 <para revision="282089">The &man.unbound.8; utility has been 475 updated to version 1.5.3.</para> 476 477 <para revision="282434" contrib="sponsor" sponsor="&ff;">The 478 &man.resolvconf.8; utility has been updated to version 479 3.7.0.</para> 480 481 <para revision="282613">The &man.nc.1; utility has been updated 482 to the OpenBSD 5.7 version.</para> 483 484 <para revision="283092">The &man.acpi.4; subsystem has been 485 updated to version 20150515.</para> 486 487 <para revision="284237">The &man.file.1; utility has been 488 updated to version 5.23.</para> 489 490 <para revision="284254"><application>bmake</application> has 491 been updated to version 20150606.</para> 492 493 <para revision="284397">Timezone data files have been updated to 494 version 2015e.</para> 495 496 <para revision="285229"><application>sendmail</application> has 497 been updated to 8.15.2. Starting with &os; 11.0 and 498 sendmail 8.15, sendmail uses uncompressed IPv6 addresses by 499 default, i.e., they will not contain <quote>::</quote>. For 500 example, instead of <quote>::1</quote>, it will be 501 <quote>0:0:0:0:0:0:0:1</quote>. This permits a zero subnet to 502 have a more specific match, such as different map entries for 503 IPv6:0:0 versus IPv6:0. This change requires that 504 configuration data (including maps, files, classes, custom 505 ruleset, etc.) must use the same format, so make certain such 506 configuration data is upgrading. As a very simple check 507 search for patterns like 'IPv6:[0-9a-fA-F:]*::' and 'IPv6::'. 508 To return to the old behavior, set the m4 option 509 <literal>confUSE_COMPRESSED_IPV6_ADDRESSES</literal> or the cf 510 option <literal>UseCompressedIPv6Addresses</literal>.</para> 511 512 <para revision="285329"><application>OpenSSL</application> has 513 been updated to version 1.0.1p.</para> 514 515 <para revision="285642" contrib="sponsor" sponsor="&dell;">The 516 &man.ssh.1; utility has been updated to re-implement hostname 517 canonicalization before locating the host in 518 <filename>known_hosts</filename>.</para> 519 </sect2> 520 521 <sect2 xml:id="userland-installer"> 522 <title>Installation and Configuration Tools</title> 523 524 <para revision="271539">The &man.bsdinstall.8; partition editor 525 and &man.sade.8; utility have been updated to include native 526 <acronym>ZFS</acronym> support.</para> 527 528 <para revision="272274">The &os; installation utility, 529 &man.bsdinstall.8;, has been updated to set the 530 <literal>canmount</literal> &man.zfs.8; property to 531 <literal>off</literal> for the <filename 532 class="directory">/var</filename> dataset, preventing the 533 contents of directories within <filename 534 class="directory">/var</filename> from conflicting when 535 using multiple boot environments, such as that provided by 536 <filename role="package">sysutils/beadm</filename>.</para> 537 538 <para revision="274394">The &man.bsdconfig.8; utility has been 539 updated to skip the initial &man.tzsetup.8; 540 <acronym>UTC</acronym> versus wall-clock time prompt when run 541 in a virtual machine, determined when the 542 <literal>kern.vm_guest</literal> &man.sysctl.8; is set to 543 <literal>1</literal>.</para> 544 545 <para revision="275874">The &man.bsdinstall.8; utility has been 546 updated to use the new &man.dpv.3; library to display progress 547 when extracting the &os; distributions.</para> 548 549 <para revision="285679" contrib="sponsor" 550 sponsor="&scaleengine;">Support for detecting and implementing 551 a workaround for various laptops and motherboards that do not 552 boot properly from <acronym>GPT</acronym>-partitioned disks 553 has been added to &man.bsdinstall.8;. Additionally, the 554 <literal>active</literal> flag will be set on the partition 555 when needed.</para> 556 557 <para revision="285679" contrib="sponsor" 558 sponsor="&scaleengine;">Support for selecting the partitioning 559 scheme when installing on the <acronym>UFS</acronym> 560 filesystem has been added to &man.bsdinstall.8;.</para> 561 </sect2> 562 563 <sect2 xml:id="userland-rc"> 564 <title><filename class="directory">/etc/rc.d</filename> 565 Scripts</title> 566 567 <para revision="270676">The &man.rc.8; subsystem has been 568 updated to allow configuring services in <filename 569 class="directory">${LOCALBASE}/etc/rc.conf.d/</filename>. 570 If <literal>LOCALBASE</literal> is unset, it defaults to 571 <filename class="directory">/usr/local</filename>.</para> 572 573 <para revision="273955">A new &man.rc.8; script, 574 <filename>growfs</filename>, has been added, which will resize 575 the root filesystem on boot if <filename>/firstboot</filename> 576 exists.</para> 577 578 <para revision="275299">The <filename>mrouted</filename> 579 &man.rc.8; script has been removed from the base system. An 580 equivalent script is available from the <filename 581 role="package">net/mrouted</filename> port.</para> 582 583 <para revision="279463" contrib="sponsor" 584 sponsor="&sandvine;">A new &man.rc.8; script, 585 <filename>iovctl</filename>, has been added, which allows 586 automatically starting the &man.iovctl.8; utility at 587 boot.</para> 588 </sect2> 589 590 <sect2 xml:id="userland-periodic"> 591 <title><filename class="directory">/etc/periodic</filename> 592 Scripts</title> 593 594 <para revision="271321">The daily &man.periodic.8; script 595 <filename>110.clean-tmps</filename> has been updated to avoid 596 crossing filesystem mount boundaries when cleaning files in 597 <filename class="directory">/tmp</filename>.</para> 598 599 <para revision="277216" contrib="sponsor" sponsor="&ff;">A new 600 &man.periodic.8; script, 601 <filename>510.status-world-kernel</filename>, has been added, 602 which evaluates the running userland and kernel versions from 603 the &man.uname.1; <literal>-U</literal> and 604 <literal>-K</literal> arguments, and prints an error if the 605 system userland and kernel are not in sync.</para> 606 </sect2> 607 608 <sect2 xml:id="userland-libraries"> 609 <title>Runtime Libraries and API</title> 610 611 <para revision="265995">The Blowfish &man.crypt.3; default 612 format has been changed to 613 <literal>$2b$</literal>.</para> 614 615 <para revision="268461">The &man.readline.3; library is now 616 statically linked in software within the base system, and the 617 shared library is no longer installed, allowing the Ports 618 Collection to use a modern version of the library.</para> 619 620 <para revision="272273">The &man.strptime.3; library has been 621 updated to add support for <acronym>POSIX</acronym>-2001 622 features <literal>%U</literal> and 623 <literal>%W</literal>.</para> 624 625 <para revision="272842,272848" contrib="sponsor" 626 sponsor="&ff;">The &man.dl.iterate.phdr.3; library has been 627 changed to always return the path name of the 628 <acronym>ELF</acronym> object in the 629 <literal>dlpi_name</literal> structure member.</para> 630 631 <para revision="273562" contrib="sponsor" 632 sponsor="&juniper;">The &man.libxo.3; library has been 633 imported to the base system.</para> 634 635 <para revision="273806" contrib="sponsor" sponsor="&chelsio;">A 636 userland library for Chelsio Terminator 5 based iWARP cards 637 has been added, allowing userland <acronym>RDMA</acronym> 638 applications to work over compatible 639 <acronym>NIC</acronym>s.</para> 640 641 <para revision="274987">The &man.gpio.3; library has been added, 642 providing a wrapper around the &man.gpio.4; kernel 643 interface.</para> 644 645 <para revision="275800" contrib="sponsor" sponsor="&ff;">The 646 &man.procctl.2; system call has been updated to include 647 a facility for non-&man.init.8; processes to be declared as 648 the reaper of child processes and their decendants.</para> 649 650 <para revision="277610">The <literal>futimens()</literal> and 651 <literal>utimensat()</literal> system calls have been 652 added. See &man.utimensat.2; for more information.</para> 653 654 <para revision="278934">The &man.elf.3; compile-time dependency 655 has been removed from <filename>dtri.o</filename>, which 656 allows adding <application>DTrace</application> probes to 657 userland applications and libraries without also linking 658 against &man.elf.3;.</para> 659 660 <para revision="279186">The &man.setmode.3; function has been 661 updated to consistently set <literal>errno</literal> on 662 failure.</para> 663 664 <para revision="279663">The &man.qsort.3; functions have been 665 updated to be able to handle 32-bit aligned data on 64-bit 666 platforms, also providing a significant improvement in 32-bit 667 workloads.</para> 668 669 <para revision="281130">Several standard include headers have 670 been updated to use of <application>gcc</application> 671 attributes, such as <literal>__result_use_check()</literal>, 672 <literal>__alloc_size()</literal>, and 673 <literal>__nonnull()</literal>.</para> 674 675 <para revision="281845">Support for file verification in 676 <acronym>MAC</acronym> has been added.</para> 677 678 <para revision="282973" contrib="sponsor" sponsor="&ff;">The 679 <literal>libgomp</literal> library is now only built when 680 building <acronym>GCC</acronym> from the base system. An 681 up-to-date version is available in the Ports Collection as 682 <filename 683 role="package">devel/libiomp5-devel</filename>.</para> 684 685 <para revision="282988">The <filename>stdlib.h</filename> and 686 <filename>malloc.h</filename> headers have been updated to 687 make use of the <application>gcc</application> 688 <literal>alloc_align()</literal> attribute.</para> 689 690 <para revision="284483" contrib="sponsor" 691 sponsor="&scaleengine;">The Blowfish &man.crypt.3; library 692 has been updated to support $2y$ hashes.</para> 693 </sect2> 694 695 <sect2 xml:id="userland-abi"> 696 <title>ABI Compatibility</title> 697 698 <para revision="271982">The &linux; compatibility version has 699 been updated to <literal>2.6.18</literal>. The 700 <literal>compat.linux.osrelease</literal> &man.sysctl.8; is 701 evaluated when building the <filename 702 role="package">emulators/linux-c6</filename> and related 703 ports.</para> 704 </sect2> 705 </sect1> 706 707 <sect1 xml:id="kernel"> 708 <title>Kernel</title> 709 710 <para>This section covers changes to kernel configurations, system 711 tuning, and system control parameters that are not otherwise 712 categorized.</para> 713 714 <sect2 xml:id="kernel-bugfix"> 715 <title>Kernel Bug Fixes</title> 716 717 <para revision="265876">A kernel bug that inhibited proper 718 functionality of the <literal>dev.cpu.0.freq</literal> 719 &man.sysctl.8; on &intel; processors with Turbo 720 Boost ™ enabled has been fixed.</para> 721 722 <para revision="271697" arch="powerpc">Support for 723 &man.dtrace.1; stack tracing has been fixed for 724 &os;/&arch.powerpc;, using the <literal>trapexit()</literal> 725 and <literal>asttrapexit()</literal> functions instead of 726 checking within addressed kernel space.</para> 727 728 <para revision="271917">A kernel panic triggered when destroying 729 a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has 730 been fixed.</para> 731 732 <para revision="271918">A kernel panic triggered when destroying 733 a &man.vnet.9; &man.jail.8; configured with &man.gre.4; has 734 been fixed.</para> 735 736 <para revision="272089">A bug in &man.ipfw.4; that could 737 potentially lead to a kernel panic when using &man.dummynet.4; 738 at layer 2 has been fixed.</para> 739 740 <para revision="280930" contrib="sponsor" sponsor="&mitail;">The 741 kernel <acronym>RPC</acronym> has been updated to include 742 several enhancements:</para> 743 744 <itemizedlist> 745 <listitem> 746 <para>The 45 MiB limit on requests queued for 747 &man.nfsd.8; threads has been removed.</para> 748 </listitem> 749 750 <listitem> 751 <para>Avoids unnecessary throttling by not deferring 752 accounting for completed requests.</para> 753 </listitem> 754 755 <listitem> 756 <para>Fixes an integer overflow and signedness bugs.</para> 757 </listitem> 758 </itemizedlist> 759 760 <para revision="281261" arch="powerpc">Support for 761 &man.dtrace.1; has been added for the 762 Book-E ™.</para> 763 </sect2> 764 765 <sect2 xml:id="kernel-config"> 766 <title>Kernel Configuration</title> 767 768 <para revision="266531">The <literal>IMAGACT_BINMISC</literal> 769 kernel configuration option has been enabled by default, 770 which enables application execution through emulators, such 771 as <application>Qemu</application>.</para> 772 773 <para revision="268045">The <literal>VT</literal> kernel 774 configuration file has been removed, and the &man.vt.4; 775 driver is included in the <literal>GENERIC</literal> kernel. 776 To enable &man.vt.4;, enter <literal>set kern.vty=vt</literal> 777 at the &man.loader.8; prompt during boot, or add 778 <literal>kern.vty=vt</literal> to &man.loader.conf.5; and 779 reboot the system.</para> 780 781 <para revision="277904">The &man.config.8; utility has been 782 updated to allow using a non-standard <filename 783 class="directory">src/</filename> tree, specified as an 784 argument to the <literal>-s</literal> flag.</para> 785 786 <para revision="277990" arch="powerpc64">The 787 &os;/&arch.powerpc64; kernel now builds as 788 a position-independent executable, allowing the kernel to be 789 loaded into and run from any physical or virtual 790 address.</para> 791 792 <important> 793 <para>This change requires an update to &man.loader.8;. 794 The userland and kernel must be updated before rebooting the 795 system.</para> 796 </important> 797 798 <para revision="278338" arch="arm">A new module for creating 799 <filename>rpi.dtb</filename> has been added for the Raspberry 800 Pi.</para> 801 802 <para revision="278340" arch="arm">The 803 <filename>rpi.dtb</filename> module is now installed to 804 <filename class="directory">/boot/dtb/</filename> by 805 default for the Raspberry Pi system.</para> 806 807 <para revision="279189" contrib="sponsor" sponsor="&ff;" 808 arch="powerpc">Kernel support for Vector-Scalar eXtension 809 (<acronym>VSX</acronym>) found on POWER7 and POWER8 hardware 810 has been added.</para> 811 812 <para revision="279252" contrib="sponsor" sponsor="&ff;" 813 arch="powerpc">The &man.pmap.9; implementation for 64-bit 814 &powerpc; processors has been overhaulded to improve 815 concurrency.</para> 816 817 <para revision="279824" arch="arm">A new module for creating 818 the <filename>dtb</filename> module for AM335x systems has 819 been added.</para> 820 821 <para revision="281495" contrib="sponsor" sponsor="&ff;">The 822 <literal>PAE_TABLES</literal> kernel configuration option has 823 been added for &os;/&arch.i386;, which instructs &man.pmap.9; 824 to use <acronym>PAE</acronym> format for page tables while 825 maintaining a 32-bit physical address size elsewhere in the 826 kernel. The use of this option can enhance application-level 827 security by enabling the creation of <quote>no execute</quote> 828 mappings on modern &arch.i386; processors. Unlike the 829 <literal>PAE</literal> option, <literal>PAE_TABLES</literal> 830 preserves kernel binary interface (<acronym>KBI</acronym>) 831 compatibility with non-<literal>PAE</literal> kernels, 832 allowing non-<literal>PAE</literal> kernel modules and drivers 833 to work with a <literal>PAE_TABLES</literal>-enabled kernel. 834 Additionally, system limits are tuned for 4GB maximum 835 <acronym>RAM</acronym>, avoiding kernel virtual address space 836 (<acronym>KVA</acronym>) exhaustion.</para> 837 838 <para revision="282215">The <literal>SIFTR</literal> kernel 839 configuration has been added, allowing building &man.siftr.4; 840 statically into the kernel.</para> 841 842 <para revision="282731" arch="arm">The &arch.arm; boot loader, 843 <filename>ubldr</filename>, is now relocatable. In addition, 844 <filename>ubldr.bin</filename> is now created during build 845 time, which is a stripped binary with an entry point of 846 <literal>0</literal>, providing the ability to specify the 847 load address by running <literal>go 848 ${loadaddr}</literal> in 849 <literal>u-boot</literal>.</para> 850 851 <para revision="282921" contrib="sponsor" sponsor="&intelcorp;" 852 arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are 853 now included in the <filename>GENERIC</filename> kernel 854 configuration by default.</para> 855 856 <para revision="283959" contrib="sponsor" 857 sponsor="&limelight;">A new kernel configuration option, 858 <literal>EM_MULTIQUEUE</literal>, has been added which enables 859 multi-queue support in the &man.em.4; driver.</para> 860 861 <note> 862 <para>Multi-queue support in the &man.em.4; driver is not 863 officially supported by &intel;.</para> 864 </note> 865 </sect2> 866 867 <sect2 xml:id="kernel-sysctl"> 868 <title>System Tuning and Controls</title> 869 870 <para revision="275140" contrib="sponsor" sponsor="&ff;">The 871 &man.hwpmc.4; default and maximum callchain depths have been 872 increased. The default has been increased from 16 to 32, and 873 the maximum increased from 32 to 128.</para> 874 875 <para revision="279361">The <literal>kern.osrelease</literal> 876 and <literal>kern.osreldate</literal> are now configurable 877 &man.jail.8; parameters.</para> 878 879 <para revision="280308,280949" contrib="sponsor" 880 sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has 881 been changed to update timestamps for read/write operations 882 using seconds precision. A new &man.sysctl.8;, 883 <literal>vfs.devfs.dotimes</literal> has been added, which 884 when set to a non-zero value, enables default precision 885 timestamps for these operations.</para> 886 887 <para revision="282213" contrib="sponsor" sponsor="&ff;">A new 888 &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been 889 added, which when set to a non-zero value allows using 890 &man.rctl.8; with the <literal>GENERIC</literal> kernel. 891 A new kernel configuration option, 892 <literal>RACCT_DISABLED</literal> has also been added.</para> 893 894 <para revision="282901" contrib="sponsor" sponsor="&ff;">The 895 <literal>GENERIC</literal> kernel configuration now includes 896 <literal>RACCT</literal> and <literal>RCTL</literal> by 897 default.</para> 898 899 <note> 900 <para>To enable <literal>RACCT</literal> and 901 <literal>RCTL</literal> on a system using the 902 <literal>GENERIC</literal> kernel configuration, add 903 <literal>kern.racct.enable=1</literal> to 904 &man.loader.conf.5;, and reboot the system.</para> 905 </note> 906 907 <para revision="283136" contrib="sponsor" 908 sponsor="&limelight;">A new &man.sysctl.8;, 909 <literal>net.inet.tcp.hostcache.purgenow</literal>, has 910 been added, which when set to <literal>1</literal> during 911 runtime will flush all 912 <literal>net.inet.tcp.hostcache</literal> entries.</para> 913 </sect2> 914 </sect1> 915 916 <sect1 xml:id="drivers"> 917 <title>Devices and Drivers</title> 918 919 <para>This section covers changes and additions to devices and 920 device drivers since &release.prev;.</para> 921 922 <sect2 xml:id="drivers-device"> 923 <title>Device Drivers</title> 924 925 <para revision="260903">Support for GPS ports has been added to 926 &man.uhso.4;.</para> 927 928 <para revision="265132">The &man.full.4; device has been added, 929 and the <literal>lindev(4)</literal> device has been removed. 930 Prior to this change, <literal>lindev(4)</literal> provided 931 only the <filename>/dev/full</filename> character device, 932 returning <literal>ENOSPC</literal> on write attempts. As 933 this device is not specific to &linux;, a native &os; version 934 has been added.</para> 935 936 <para revision="271705">Hardware context support has been 937 added to the <literal>drm/i915</literal> driver, adding 938 support for <application>Mesa</application> 9.2 and 939 later.</para> 940 941 <para revision="273178">The &man.vt.4; driver has been updated, 942 replacing the bitmapped <literal>kern.vt.spclkeys</literal> 943 &man.sysctl.8; with individual 944 <literal>kern.vt.kbd_*</literal> variants.</para> 945 946 <para revision="273598">The &man.hpet.4; driver has been updated 947 to create a 948 <filename>/dev/hpet<replaceable>N</replaceable></filename> 949 device, providing access to <acronym>HPET</acronym> from 950 userspace.</para> 951 952 <para revision="280183">The <literal>drm</literal> code has 953 been updated to match &linux; version 3.8.13.</para> 954 955 <para revision="281440">The &man.psm.4; driver has been updated 956 to include improved support for newer Synaptics ® 957 touchpads and the ClickPad ® mouse on newer 958 Lenovo ™ laptops.</para> 959 960 <para revision="282783" arch="powerpc">Support for the Freescale 961 <acronym>PCI</acronym> Root Complex device has been 962 added.</para> 963 </sect2> 964 965 <sect2 xml:id="drivers-storage"> 966 <title>Storage Drivers</title> 967 968 <para revision="265236" contrib="sponsor" 969 sponsor="&lsi;, &spectralogic;" sponsorurl="">The &man.mpr.4; 970 device has been added, providing support for LSI Fusion-MPT 971 3 12Gb SCSI/SATA controllers.</para> 972 973 <para revision="265555" contrib="sponsor" 974 sponsor="&lsi;">The &man.mrsas.4; driver has been added, 975 providing support for LSI MegaRAID SAS controllers. The 976 &man.mfi.4; driver will attach to the controller, by default. 977 To enable &man.mrsas.4; add 978 <literal>hw.mfi.mrsas_enable=1</literal> to 979 <filename>/boot/loader.conf</filename>, which turns off 980 &man.mfi.4; device probing.</para> 981 982 <note> 983 <para>At this time, the &man.mfiutil.8; utility and the &os; 984 version of <application>MegaCLI</application> and 985 <application>StorCli</application> do not work with 986 &man.mrsas.4;.</para> 987 </note> 988 989 <para revision="275461" contrib="sponsor" sponsor="&ix;">The 990 &man.ctl.4; subsystem has been updated, increasing the ports 991 limit from <literal>128</literal> to <literal>256</literal>, 992 and <acronym>LUN</acronym> limit from <literal>256</literal> 993 to <literal>1024</literal>.</para> 994 995 <para revision="276526">The <literal>asr(4)</literal> driver has 996 been removed, and is no longer supported.</para> 997 998 <para revision="281387">The &man.hptnr.4; driver has been 999 updated to version 1.1.1.</para> 1000 </sect2> 1001 1002 <sect2 xml:id="drivers-network"> 1003 <title>Network Drivers</title> 1004 1005 <para revision="258830">Support for Broadcom chipsets BCM57764, 1006 BCM57767, BCM57782, BCM57786 and BCM57787 has been added to 1007 &man.bge.4;.</para> 1008 1009 <para revision="260448">Support for the &intel; Centrino™ 1010 Wireless-N 135 chipset has been added.</para> 1011 1012 <para revision="260552">Firmware for &intel; Centrino™ 1013 Wireless-N 105 devices has been added to the base 1014 system.</para> 1015 1016 <para revision="261975">The deprecated nve(4) driver has been 1017 removed. Users of NVIDIA nForce MCP network adapters are 1018 advised to use the &man.nfe.4; driver instead, which has been 1019 the default driver for this hardware since 1020 &os; 7.0.</para> 1021 1022 <para revision="264601" contrib="sponsor" 1023 sponsor="&darpa_afrl;">The <literal>if_nf10bmac(4)</literal> 1024 device has been added, providing support for NetFPGA-10G 1025 Embedded CPU Ethernet Core.</para> 1026 1027 <note> 1028 <para>The <literal>if_nf10bmac(4)</literal> driver operates on 1029 the FPGA, and is not suited for the PCI host 1030 interface.</para> 1031 </note> 1032 1033 <para revision="265348" contrib="sponsor" 1034 sponsor="&netgate;">The &man.ath.hal.4; driver has been 1035 updated to support the Atheros AR1111 chipset.</para> 1036 1037 <para revision="266770">Support for the &intel; Centrino™ 1038 Wireless-N 105 chipset has been added.</para> 1039 1040 <para revision="266757" contrib="sponsor" 1041 sponsor="&chelsio;">Support for the &man.cxgbe.4; Terminator 1042 5 (T5) 10G/40G cards has been added to &man.netmap.4;.</para> 1043 1044 <para revision="272730">The &man.alc.4; driver has been updated 1045 to support AR816x and AR817x ethernet controllers.</para> 1046 1047 <para revision="272906">The &man.pfil.9; interface default hash 1048 has been changed from <literal>Jenkins</literal> to 1049 <literal>Murmur3</literal>, providing a 3-percent performance 1050 increase in packets-per-second.</para> 1051 1052 <para revision="273331">The &man.vxlan.4; driver has been added, 1053 which creates a virtual Layer 2 (Ethernet) network overlaid in 1054 a Layer 3 (IP/UDP) network. The &man.vxlan.4; driver is 1055 analogous to &man.vlan.4;, but is designed to be better suited 1056 for large, multiple-tenant datacenter environments.</para> 1057 1058 <para revision="274246" contrib="sponsor" sponsor="&yandex;">The 1059 &man.gre.4; driver has been significantly overhauled, and has 1060 been split into two separate modules, &man.gre.4; and 1061 &man.me.4;.</para> 1062 1063 <para revision="278551">The &man.ral.4; driver has been updated 1064 to support the RT5390 and RT5392 chipsets.</para> 1065 1066 <para revision="283514" contrib="sponsor" 1067 sponsor="&solarflare;">The &man.sfxge.4; driver has been 1068 updated to support Solarflare Flareon Ultra 7000-series 1069 chipsets.</para> 1070 1071 <para revision="283766" contrib="sponsor" 1072 sponsor="&limelight;">The &man.em.4; driver has been updated 1073 with improved transmission queue hang detection.</para> 1074 1075 <para revision="284125">The &man.cdce.4; driver has been updated 1076 to include support for the RTL8153 chipset.</para> 1077 </sect2> 1078 </sect1> 1079 1080 <sect1 xml:id="hardware"> 1081 <title>Hardware Support</title> 1082 1083 <para>This section covers general hardware support for physical 1084 machines, hypervisors, and virtualization environments, as well 1085 as hardware changes and updates that do not otherwise fit in 1086 other sections of this document.</para> 1087 1088 <sect2 xml:id="hardware-support"> 1089 <title>Hardware Support</title> 1090 1091 <para revision="268303">The &man.asmc.4; driver has been 1092 updated to support the &apple; MacMini 3,1.</para> 1093 1094 <para revision="268351">Support for &os;/ia64 has been dropped 1095 as of &os; 11.</para> 1096 1097 <para revision="274386">An issue that could cause a system to 1098 hang when entering <acronym>ACPI</acronym> 1099 <literal>S3</literal> state (suspend to 1100 <acronym>RAM</acronym>) has been corrected in the &man.acpi.4; 1101 and &man.pci.4; drivers.</para> 1102 1103 <para revision="274733" arch="powerpc">The power management unit 1104 subsystem has been updated to support power button events on 1105 certain &arch.powerpc; hardware, such as aluminum 1106 PowerBook ®.</para> 1107 1108 <para revision="275171,275190" arch="powerpc">The &man.hwpmc.4; 1109 driver has been updated to correct performance counter 1110 sampling on G4 (MPC74xxx) and G5 class processors.</para> 1111 1112 <para revision="275732" contrib="sponsor" 1113 sponsor="&ff;,&netgate;">The 1114 <application>OpenCrypto</application> framework has been 1115 updated to include <literal>AES-ICM</literal> and 1116 <literal>AES-GCM</literal> modes, both of which have also been 1117 added to the &man.aesni.4; driver.</para> 1118 1119 <para revision="281713" arch="powerpc">The &man.hwpmc.4; 1120 driver has been updated to support the Freescale e500 1121 core.</para> 1122 1123 <para revision="283766">The &man.ig4.4; driver has been added, 1124 providing support for the fourth generation &intel; 1125 <acronym>I2C</acronym> SMBus.</para> 1126 1127 <para>The &man.uart.4; driver has been updated to support 1128 <acronym>AMT</acronym> devices on newer systems.</para> 1129 </sect2> 1130 1131 <sect2 xml:id="hardware-virtualization"> 1132 <title>Virtualization Support</title> 1133 1134 <para revision="260410">Support for the <quote>Virtual Interrupt 1135 Delivery</quote> feature of &intel; VT-x is enabled if 1136 supported by the CPU. This feature can be disabled by running 1137 <literal>sysctl hw.vmm.vmx.use_apic_vid=0</literal>. 1138 Additionally, to persist this setting across reboots, add 1139 <literal>hw.vmm.vmx.use_apic_vid=0</literal> to 1140 <filename>/etc/sysctl.conf</filename>.</para> 1141 1142 <para revision="260532">Support for <quote>Posted Interrupt 1143 Processing</quote> is enabled if supported by the CPU. This 1144 feature can be disabled by running <literal>sysctl 1145 hw.vmm.vmx.use_apic_pir=0</literal>. Additionally, to 1146 persist this setting across reboots, add 1147 <literal>hw.vmm.vmx.use_apic_pir=0</literal> to 1148 <filename>/etc/sysctl.conf</filename>.</para> 1149 1150 <para revision="260582">Unmapped IO support has been added to 1151 &man.virtio_blk.4;.</para> 1152 1153 <para revision="260583">Unmapped IO support has been added to 1154 &man.virtio_scsi.4;.</para> 1155 1156 <para revision="260847">The &man.virtio_random.4; driver has 1157 been added to harvest entropy from the host system.</para> 1158 1159 <para revision="261504">&os;/&arch.i386; guests can be run under 1160 bhyve.</para> 1161 1162 <para revision="267536" contrib="sponsor" 1163 sponsor="&citrix.rd;">Support for running a &os;/&arch.amd64; 1164 <application>Xen</application> guest instance as 1165 <acronym>PVH</acronym> guest has been added. 1166 <acronym>PVH</acronym> mode, short for <quote>Para-Virtualized 1167 Hardware</quote>, uses para-virtualized drivers for boot and 1168 I/O, and uses hardware virtualization extensions for all other 1169 tasks, without the need for emulation.</para> 1170 1171 <para revision="273375">The &man.bhyve.8; hypervisor has been 1172 updated to support &amd; processors with 1173 <acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware 1174 extensions.</para> 1175 1176 <para revision="273515">The &man.virtio.console.4; driver has 1177 been added, which provides an interface to VirtIO console 1178 devices through a &man.tty.4; device.</para> 1179 1180 <para revision="279957">The &man.bhyve.8; hypervisor has been 1181 updated to support <literal>DSM TRIM</literal> commands for 1182 virtual <acronym>AHCI</acronym> disks.</para> 1183 1184 <para revision="281439" arch="arm">Support for the 1185 <application>QEMU</application> <literal>virt</literal> system 1186 has been added.</para> 1187 1188 <para revision="282212" contrib="sponsor" sponsor="&msostc;">The 1189 Hyper-V™ drivers have been updated with several 1190 enhancements:</para> 1191 1192 <itemizedlist> 1193 <listitem> 1194 <para>The &man.hv.vmbus.4; driver now has multi-channel 1195 support.</para> 1196 </listitem> 1197 1198 <listitem> 1199 <para>The &man.hv.storvsc.4; driver now has scatter/gather 1200 support, in addition to performance improvements.</para> 1201 </listitem> 1202 1203 <listitem> 1204 <para>The &man.hv.kvp.4; driver has received several bug 1205 fixes.</para> 1206 </listitem> 1207 </itemizedlist> 1208 1209 <para revision="282274">Support for &man.xen.4; para-virtualized 1210 <literal>domU</literal> kernels has been removed.</para> 1211 1212 <para revision="284746" contrib="sponsor" sponsor="&msostc;">The 1213 &man.hv.netvsc.4; driver has been updated to support checksum 1214 offloading and <acronym>TSO</acronym>.</para> 1215 </sect2> 1216 1217 <sect2 xml:id="hardware-arm"> 1218 <title>ARM Support</title> 1219 1220 <para revision="260921">The &man.nand.4; device is enabled for 1221 ARM devices by default.</para> 1222 1223 <para revision="266943" arch="arm">Support for the Exynos 5420 1224 Octa system has been added.</para> 1225 1226 <para revision="267390" arch="arm">The <acronym>SMP</acronym> 1227 option has been enabled for all Exynos 5 systems supported by 1228 &os;.</para> 1229 1230 <para revision="268838" arch="arm">Support for the Toradex 1231 Apalis i.MX6 development board has been added.</para> 1232 1233 <para revision="273264" arch="armv6">An issue that could cause 1234 instability when detecting <acronym>SD</acronym> cards on the 1235 Raspberry Pi <acronym>SOC</acronym> has been fixed.</para> 1236 1237 <para revision="275963">The <literal>bcm2835_cpufreq</literal> 1238 driver has been added, which supports <acronym>CPU</acronym> 1239 frequency and voltage control on the Raspberry Pi 1240 <acronym>SOC</acronym>.</para> 1241 1242 <para revision="277042" arch="arm">Support to turn off the 1243 BeagleBone Black system with the &man.shutdown.8; 1244 <literal>-p</literal> flag or by invoking &man.poweroff.8; has 1245 been added.</para> 1246 1247 <para revision="277644" arch="arm">Audio transmission drivers 1248 have been added for Digital Audio Multiplexer 1249 (<acronym>AUDMUXM</acronym>), Smart Direct Memory Access 1250 Controller (<acronym>SDMA</acronym>), and Syncronous Serial 1251 Interface (<acronym>SSI</acronym>).</para> 1252 1253 <para revision="280259" contrib="sponsor" sponsor="&ff;">Initial 1254 support for the ARM AArch64 architecture has been 1255 added.</para> 1256 1257 <para revision="282779" arch="arm">Kernel support for Thumb-2 1258 userland has been added.</para> 1259 1260 <para revision="282827">Support for the hardware power button 1261 on the BeagleBone Black system has been added.</para> 1262 1263 <para revision="284273" contrib="sponsor" 1264 sponsor="&ff;">Initial 1265 <acronym>ACPI</acronym> support has been added for 1266 &os;/&arch.arm64;.</para> 1267 </sect2> 1268 </sect1> 1269 1270 <sect1 xml:id="storage"> 1271 <title>Storage</title> 1272 1273 <para>This section covers changes and additions to file systems 1274 and other storage subsystems, both local and networked.</para> 1275 1276 <sect2 xml:id="storage-general"> 1277 <title>General Storage</title> 1278 1279 <para revision="278037" contrib="sponsor" sponsor="&ix;">The 1280 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 1281 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 1282 with a new mechanism that works for any port.</para> 1283 1284 <para revision="278354" contrib="sponsor" sponsor="&ix;">The 1285 &man.ctld.8; utility has been updated to allow controlling 1286 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 1287 1288 <para revision="275681" contrib="sponsor" sponsor="&ff;">The 1289 &man.autofs.5; subsystem has been updated to include a new 1290 &man.auto.master.5; map, <literal>-media</literal>, which 1291 allows automatically mounting removable media, such as 1292 <acronym>CD</acronym> drives or <acronym>USB</acronym> flash 1293 drives.</para> 1294 1295 <para revision="279955" contrib="sponsor" sponsor="&ff;">The 1296 &man.autofs.5; subsystem has been updated to include a new 1297 &man.auto.master.5; map, <literal>-noauto</literal>, which 1298 handles &man.fstab.5; entries set to 1299 <literal>noauto</literal>.</para> 1300 </sect2> 1301 1302 <sect2 xml:id="storage-net"> 1303 <title>Networked Storage</title> 1304 1305 <para revision="270096" contrib="sponsor" sponsor="&ff;">The new 1306 filesystem automount facility, &man.autofs.5;, has been added. 1307 The new &man.autofs.5; facility is similar to that found in 1308 other &unix;-like operating systems, such as OS X™ 1309 and Solaris™. The &man.autofs.5; facility uses 1310 a &sun;-compatible &man.auto.master.5; configuration file, and 1311 is administered with the &man.automount.8; userland utility, 1312 and the &man.automountd.8; and &man.autounmountd.8; 1313 daemons.</para> 1314 1315 <para revision="273849" contrib="sponsor" sponsor="&ff;">Support 1316 for the <literal>timeo</literal>, <literal>actimeo</literal>, 1317 <literal>noac</literal>, and <literal>proto</literal> options 1318 have been added to &man.mount.nfs.8;.</para> 1319 </sect2> 1320 1321 <sect2 xml:id="storage-zfs"> 1322 <title>ZFS</title> 1323 1324 <para revision="275748">The <literal>arc_meta_limit</literal> 1325 statistics are now visible through the 1326 <literal>kstat</literal> &man.sysctl.8;. As a result of this 1327 change, the <literal>vfs.zfs.arc_meta_used</literal> 1328 &man.sysctl.8; has been removed, and replaced with the 1329 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 1330 &man.sysctl.8;.</para> 1331 </sect2> 1332 1333 <sect2 xml:id="storage-geom"> 1334 <title>&man.geom.4;</title> 1335 1336 <para revision="267359">Support for the 1337 <literal>disklabel64</literal> partitioning scheme has been 1338 added to &man.gpart.8;.</para> 1339 1340 <para revision="282465">Support for the 1341 <literal>apple-boot</literal>, <literal>apple-hfs</literal>, 1342 and <literal>apple-ufs</literal> <acronym>MBR</acronym> 1343 partitioning schemes have been added to &man.gpart.8;.</para> 1344 </sect2> 1345 </sect1> 1346 1347 <sect1 xml:id="boot"> 1348 <title>Boot Loader Changes</title> 1349 1350 <para>This section covers the boot loader, boot menu, and other 1351 boot-related changes.</para> 1352 1353 <sect2 xml:id="boot-loader"> 1354 <title>Boot Loader Changes</title> 1355 1356 <para revision="258431" contrib="sponsor" sponsor="&ff;">The 1357 memory test run at boot time on &os;/&arch.amd64; platforms 1358 has been disabled by default.</para> 1359 1360 <para revision="262955">A new &man.ttys.5; class, 1361 <literal>3wire</literal>, has been added. This is similar to 1362 the existing terminal classes, but does not have a defined 1363 baudrate.</para> 1364 1365 <para revision="274085">The &man.vt.4; driver has been made the 1366 default system console driver. The &man.syscons.4; driver is 1367 still available, and can be enabled by adding 1368 <literal>kern.vty=sc</literal> in &man.loader.conf.5;. 1369 Alternatively, &man.syscons.4; can be enabled at boot time by 1370 entering <literal>set kern.vty=sc</literal> at the 1371 &man.loader.8; prompt.</para> 1372 1373 <para revision="279950">Support for <literal>bzipfs</literal> 1374 has been added to the <acronym>EFI</acronym> loader.</para> 1375 1376 <para revision="281616">The boot loader has been updated to 1377 support entering the <acronym>GELI</acronym> passphrase before 1378 loading the kernel. To enable this behavior, add 1379 <literal>geom_eli_passphrase_prompt="YES"</literal> to 1380 &man.loader.conf.5;.</para> 1381 1382 <para revision="284683" contrib="sponsor" sponsor="&ff;" 1383 arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been 1384 updated to enable <filename>ttyu1</filename>, 1385 <filename>ttyu2</filename>, and <filename>ttyu3</filename> by 1386 default, if the callin port is an active console port.</para> 1387 </sect2> 1388 1389 <sect2 xml:id="boot-menu"> 1390 <title>Boot Menu Changes</title> 1391 1392 <para> </para> 1393 </sect2> 1394 </sect1> 1395 1396 <sect1 xml:id="network"> 1397 <title>Networking</title> 1398 1399 <para>This section describes changes that affect networking in 1400 &os;.</para> 1401 1402 <sect2 xml:id="network-protocols"> 1403 <title>Network Procols</title> 1404 1405 <para revision="263140">Support for the IPX network transport 1406 protocol has been removed, and will not be supported in 1407 &os; 11 and later releases.</para> 1408 1409 <para revision="272720" contrib="sponsor" 1410 sponsor="&limelight;">Support for <acronym>PLPMTUD</acronym> 1411 blackhole detection (<acronym>RFC</acronym> 4821) has been 1412 added to the &man.tcp.4; stack, disabled by default. New 1413 control tunables have been added:</para> 1414 1415 <informaltable frame="none" pgwide="0"> 1416 <tgroup cols="2"> 1417 <colspec colwidth="1*"/> 1418 <colspec colwidth="1*"/> 1419 <thead> 1420 <row> 1421 <entry>Tunable</entry> 1422 <entry>Description</entry> 1423 </row> 1424 </thead> 1425 1426 <tbody> 1427 <row> 1428 <entry><literal>net.inet.tcp.pmtud_blackhole_detection</literal></entry> 1429 <entry>Enables or disables <acronym>PLPMTUD</acronym> 1430 blackhole detection</entry> 1431 </row> 1432 1433 <row> 1434 <entry><literal>net.inet.tcp.pmtud_blackhole_mss</literal></entry> 1435 <entry><acronym>MSS</acronym> to try for IPv4</entry> 1436 </row> 1437 1438 <row> 1439 <entry><literal>net.inet.tcp.v6pmtud_blackhole_mss</literal></entry> 1440 <entry><acronym>MSS to try for IPv6</acronym></entry> 1441 </row> 1442 </tbody> 1443 </tgroup> 1444 </informaltable> 1445 1446 <para>New monitoring &man.sysctl.8;s haven been added:</para> 1447 1448 <informaltable frame="none" pgwide="0"> 1449 <tgroup cols="2"> 1450 <colspec colwidth="1*"/> 1451 <colspec colwidth="1*"/> 1452 <thead> 1453 <row> 1454 <entry>Tunable</entry> 1455 <entry>Description</entry> 1456 </row> 1457 </thead> 1458 1459 <tbody> 1460 <row> 1461 <entry><literal>net.inet.tcp.pmtud_blackhole_activated</literal></entry> 1462 <entry>Number of times the code was activated to attempt 1463 downshifting the <acronym>MSS</acronym></entry> 1464 </row> 1465 1466 <row> 1467 <entry><literal>net.inet.tcp.pmtud_blackhole_min_activated</literal></entry> 1468 <entry>Number of times the blackhole 1469 <acronym>MSS</acronym> was used in an attempt to 1470 downshift</entry> 1471 </row> 1472 1473 <row> 1474 <entry><literal>net.inet.tcp.pmtud_blackhole_failed</literal></entry> 1475 <entry>Number of times that the blackhole failed to 1476 connect after downshifting the 1477 <acronym>MSS</acronym></entry> 1478 </row> 1479 </tbody> 1480 </tgroup> 1481 </informaltable> 1482 1483 <para revision="280971" contrib="sponsor" 1484 sponsor="&netflix;, &nginx;">Support for <acronym>IP</acronym> 1485 identification for atomic datagrams (<acronym>RFC</acronym> 1486 6864) has been added. Support for this feature can be toggled 1487 with the <literal>net.inet.ip.rfc6864</literal> 1488 &man.sysctl.8;, which is enabled by default.</para> 1489 </sect2> 1490 </sect1> 1491 1492 <sect1 xml:id="ports"> 1493 <title>Ports Collection and Package Infrastructure</title> 1494 1495 <para>This section covers changes to the &os; Ports 1496 Collection, package infrastructure, and package maintenance and 1497 installation tools.</para> 1498 1499 <sect2 xml:id="ports-infrastructure"> 1500 <title>Infrastructure Changes</title> 1501 1502 <para> </para> 1503 </sect2> 1504 1505 <sect2 xml:id="ports-packages "> 1506 <title>Packaging Changes</title> 1507 1508 <para> </para> 1509 </sect2> 1510 </sect1> 1511 1512 <sect1 xml:id="doc"> 1513 <title>Documentation</title> 1514 1515 <para>This section covers changes to the &os; Documentation 1516 Project sources and toolchain.</para> 1517 1518 <sect2 xml:id="doc-sources"> 1519 <title>Documentation Source Changes</title> 1520 1521 <para> </para> 1522 </sect2> 1523 1524 <sect2 xml:id="doc-toolchain"> 1525 <title>Documentation Toolchain Changes</title> 1526 1527 <para> </para> 1528 </sect2> 1529 </sect1> 1530 1531 <sect1 xml:id="releng"> 1532 <title>Release Engineering and Integration</title> 1533 1534 <para>This section convers changes that are specific to the 1535 &os; Release Engineering processes.</para> 1536 1537 <sect2 xml:id="releng-changes"> 1538 <title>Integration Changes</title> 1539 1540 <para revision="277458" contrib="sponsor" sponsor="&ff;">The 1541 Release Engineering build tools have been updated to include 1542 support for producing virtual machine disk images for various 1543 cloud hosting providers.</para> 1544 1545 <para revision="278926">The Release Engineering build tools have 1546 been updated to use multi-threaded &man.xz.1;. By default, 1547 the number of &man.xz.1; threads is set to the number of cores 1548 available.</para> 1549 1550 <para revision="281802" contrib="sponsor" sponsor="&ff;">The 1551 Release Engineering build tools have been updated to include 1552 support for building &os;/&arch.arm64; virtual machine and 1553 memory stick installation images.</para> 1554 1555 <para revision="282693" contrib="sponsor" sponsor="&ff;">The 1556 Release Engineering build tools have been updated to support 1557 building &os;/&arch.arm; images without external utilities for 1558 supported boards where a corresponding 1559 <literal>u-boot</literal> port exists in the Ports 1560 Collection.</para> 1561 1562 <para revision="283307" contrib="sponsor" sponsor="&ff;">The 1563 &os;/&arch.i386; memory stick installation images are now 1564 created using the &man.mkimg.1; utility, matching the way 1565 the &os;/&arch.amd64; images are created.</para> 1566 </sect2> 1567 </sect1> 1568</article> 1569