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1<?xml version="1.0" encoding="iso-8859-1"?> 2<!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN" 3 "../../../share/xml/freebsd50.dtd" [ 4<!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent"> 5 %release; 6<!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: releng/10.2/release/doc/en_US.ISO8859-1/relnotes/article.xml 286245 2015-08-03 19:08:29Z gjb $</pubdate> 24 25 <!-- Last rev: 284813 --> 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;.</para> 98 99 <para>Typical release note items document recent security 100 advisories issued after &release.prev;, new drivers or hardware 101 support, new commands or options, major bug fixes, or 102 contributed software upgrades. They may also list changes to 103 major ports/packages or release engineering practices. Clearly 104 the release notes cannot list every single change made to &os; 105 between releases; this document focuses primarily on security 106 advisories, user-visible changes, and major architectural 107 improvements.</para> 108 </sect1> 109 110 <sect1 xml:id="upgrade"> 111 <title>Upgrading from Previous Releases of &os;</title> 112 113 <para arch="amd64,i386">Binary upgrades between RELEASE versions 114 (and snapshots of the various security branches) are supported 115 using the &man.freebsd-update.8; utility. The binary upgrade 116 procedure will update unmodified userland utilities, as well as 117 unmodified <filename>GENERIC</filename> kernel distributed as 118 a part of an official &os; release. The &man.freebsd-update.8; 119 utility requires that the host being upgraded have Internet 120 connectivity.</para> 121 122 <para>Source-based upgrades (those based on recompiling the &os; 123 base system from source code) from previous versions are 124 supported, according to the instructions in 125 <filename>/usr/src/UPDATING</filename>.</para> 126 127 <important> 128 <para>Upgrading &os; should only be attempted after 129 backing up <emphasis>all</emphasis> data and configuration 130 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="276991">The &man.termcap.5; file is installed 163 as-is from sources, instead of reordering, creating 164 <filename>/etc/termcap.db</filename> by default, providing 165 a performance improvements to applications that use the 166 &man.termcap.5; database, such as &man.vi.1; and 167 &man.ncurses.3;.</para> 168 </sect2> 169 170 <sect2 xml:id="userland-programs"> 171 <title>Userland Application Changes</title> 172 173 <para revision="275040">A new utility, &man.dpv.1;, has been 174 added to the base system, providing a &man.dialog.1;-style 175 progress view from one or more input streams. A corresponding 176 library, &man.dpv.3;, has also been added.</para> 177 178 <para revision="275945">The &man.elfdump.1; utility has been 179 updated to support capability mode provided by 180 &man.capsicum.4;.</para> 181 182 <para revision="277434" contrib="sponsor" sponsor="&ff;">The 183 &man.fstyp.8; utility has been added, which is used to 184 determine the filesystem on a specified device.</para> 185 186 <para revision="278968" contrib="sponsor" sponsor="&ff;">The 187 &man.mkimg.1; utility has been updated to support the 188 <acronym>MBR</acronym> <acronym>EFI</acronym> partition 189 type.</para> 190 191 <para revision="281044">A regression in the &man.libarchive.3; 192 library that would prevent a directory from being included in 193 the archive when <literal>--one-file-system</literal> is used 194 has been fixed.</para> 195 196 <para revision="281161" contrib="sponsor" 197 sponsor="&limelight;">A new flag, <literal>-R</literal>, has 198 been added to the &man.netstat.8; utility, which is used to 199 dump <acronym>RSS</acronym>/flow information.</para> 200 201 <para revision="281936" contrib="sponsor" sponsor="&ff;">The 202 &man.ar.1; utility has been updated to set 203 <literal>ARCHIVE_EXTRACT_SECURE_SYMLINKS</literal> and 204 <literal>ARCHIVE_EXTRACT_SECURE_NODOTDOT</literal> to disallow 205 directory traversal when extracting an archive, similar to 206 &man.tar.1;.</para> 207 208 <para revision="282278">A race condition in &man.wc.1; that 209 would cause final results to be sent to &man.stderr.4; when 210 receiving the <literal>SIGINFO</literal> signal has been 211 fixed.</para> 212 213 <para revision="282870" contrib="sponsor" 214 sponsor="&scaleengine;">The &man.freebsd-update.8; utility has 215 been updated to prevent fetching updated binary patches when 216 a previous upgrade has not been thoroughly completed.</para> 217 218 <para revision="282974" contrib="sponsor" sponsor="&ff;">The 219 &man.uefisign.8; utility has been added.</para> 220 221 <para revision="283875" contrib="sponsor" 222 sponsor="&multiplay;">The &man.chflags.1;, &man.chgrp.1;, 223 &man.chmod.1;, and &man.chown.8; utilities now affect symbolic 224 links when the <literal>-R</literal> flag is specified, as 225 documented in &man.symlink.7;.</para> 226 227 <para revision="283258">The &man.date.1; utility has been 228 updated to print the modification time of the file passed as 229 an argument to the <literal>-r</literal> flag, improving 230 compatibility with the <acronym>GNU</acronym> &man.date.1; 231 utility behavior.</para> 232 233 <para revision="284523">A new flag, <literal>-c</literal>, has 234 been added to the &man.mkimg.1; utility, which allows 235 specifying the capacity of the target disk image.</para> 236 237 <para revision="285092">The &man.pw.8; utility has been updated 238 with a new flag, <literal>-R</literal>, that sets the root 239 directory within which the utility will operate.</para> 240 </sect2> 241 242 <sect2 xml:id="userland-contrib"> 243 <title>Contributed Software</title> 244 245 <para revision="282746" contrib="sponsor" sponsor="&ff;">The 246 &man.resolvconf.8; utility has been updated to version 247 3.7.0.</para> 248 249 <para revision="283270">The &man.nc.1; utility has been updated 250 to the OpenBSD 5.7 version.</para> 251 252 <para revision="284398">Timezone data files have been updated to 253 version 2015e.</para> 254 255 <para revision="284460">The &man.acpi.4; subsystem has been 256 updated to version 20150515.</para> 257 258 <para revision="284778">The &man.file.1; utility has been 259 updated to version 5.23.</para> 260 261 <para revision="285206">The &man.unbound.8; utility has been 262 updated to version 1.5.3.</para> 263 264 <para revision="285305">The <application>sendmail</application> 265 utility has been updated to version 8.15.2.</para> 266 267 <para revision="285330"><application>OpenSSL</application> has 268 been updated to version 1.0.1p.</para> 269 270 <para revision="285612">The <application>ntp</application> 271 suite has been updated to version 4.2.8p3.</para> 272 273 <para revision="285750" contrib="sponsor" sponsor="&dell;">The 274 &man.ssh.1; utility has been updated to re-implement hostname 275 canonicalization before locating the host in 276 <filename>known_hosts</filename>.</para> 277 278 <para revision="286084">The &man.tar.1; utility has been updated 279 to fix an issue that would prevent compressing sparse 280 files.</para> 281 </sect2> 282 283 <sect2 xml:id="userland-installer"> 284 <title>Installation and Configuration Tools</title> 285 286 <para revision="285769" contrib="sponsor" 287 sponsor="&scaleengine;">Support for detecting and implementing 288 a workaround for various laptops and motherboards that do not 289 boot properly from <acronym>GPT</acronym>-partitioned disks 290 has been added to &man.bsdinstall.8;. Additionally, the 291 <literal>active</literal> flag will be set on the partition 292 when needed.</para> 293 294 <para revision="285721" contrib="sponsor" 295 sponsor="&scaleengine;">Support for detecting and implementing 296 aligning partitions on 1Mb boundaries has been added to 297 &man.bsdinstall.8;.</para> 298 299 <para revision="285769" contrib="sponsor" 300 sponsor="&scaleengine;">Support for selecting the partitioning 301 scheme when installing on the <acronym>UFS</acronym> 302 filesystem has been added to &man.bsdinstall.8;.</para> 303 </sect2> 304 305 <sect2 xml:id="userland-rc"> 306 <title><filename class="directory">/etc/rc.d</filename> 307 Scripts</title> 308 309 <para revision="284009">A new &man.rc.8; script, 310 <filename>growfs</filename>, has been added, which will resize 311 the root filesystem on boot if <filename>/firstboot</filename> 312 exists.</para> 313 </sect2> 314 315 <sect2 xml:id="userland-periodic"> 316 <title><filename class="directory">/etc/periodic</filename> 317 Scripts</title> 318 319 <para revision="277520" contrib="sponsor" sponsor="&ff;">A new 320 &man.periodic.8; script, 321 <filename>510.status-world-kernel</filename>, has been added, 322 which evaluates the running userland and kernel versions from 323 the &man.uname.1; <literal>-U</literal> and 324 <literal>-K</literal> arguments, and prints an error if the 325 system userland and kernel are not in sync.</para> 326 </sect2> 327 328 <sect2 xml:id="userland-libraries"> 329 <title>Runtime Libraries and API</title> 330 331 <para revision="275040">A new file configuration library, 332 &man.figpar.3;, has been added to the base system.</para> 333 334 <para revision="276686" contrib="sponsor" sponsor="&ff;">The 335 &man.procctl.2; system call has been updated to include 336 a facility for non-&man.init.8; processes to be declared as 337 the reaper of child processes and their decendants.</para> 338 339 <para revision="280392">The &man.setmode.3; function has been 340 updated to consistently set <literal>errno</literal> on 341 failure.</para> 342 </sect2> 343 344 <sect2 xml:id="userland-abi"> 345 <title>ABI Compatibility</title> 346 347 <para revision="275807">The &linux; compatibility version has 348 been updated to <literal>2.6.18</literal>. The 349 <literal>compat.linux.osrelease</literal> &man.sysctl.8; is 350 evaluated when building the <filename 351 role="package">emulators/linux-c6</filename> and related 352 ports.</para> 353 </sect2> 354 </sect1> 355 356 <sect1 xml:id="kernel"> 357 <title>Kernel</title> 358 359 <para>This section covers changes to kernel configurations, system 360 tuning, and system control parameters that are not otherwise 361 categorized.</para> 362 363 <sect2 xml:id="kernel-bugfix"> 364 <title>Kernel Bug Fixes</title> 365 366 <para revision="276068">A kernel panic triggered when destroying 367 a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has 368 been fixed.</para> 369 370 <para revision="284018">A kernel panic triggered when destroying 371 a &man.vnet.9; &man.jail.8; configured with &man.gre.4; has 372 been fixed.</para> 373 </sect2> 374 375 <sect2 xml:id="kernel-config"> 376 <title>Kernel Configuration</title> 377 378 <para revision="282065" contrib="sponsor" sponsor="&ff;">The 379 <literal>PAE_TABLES</literal> kernel configuration option has 380 been added for &os;/&arch.i386;, which instructs &man.pmap.9; 381 to use <acronym>PAE</acronym> format for page tables while 382 maintaining a 32-bit physical address size elsewhere in the 383 kernel. The use of this option can enhance application-level 384 security by enabling the creation of <quote>no execute</quote> 385 mappings on modern &arch.i386; processors. Unlike the 386 <literal>PAE</literal> option, <literal>PAE_TABLES</literal> 387 preserves kernel binary interface (<acronym>KBI</acronym>) 388 compatibility with non-<literal>PAE</literal> kernels, 389 allowing non-<literal>PAE</literal> kernel modules and drivers 390 to work with a <literal>PAE_TABLES</literal>-enabled kernel. 391 Additionally, system limits are tuned for 4GB maximum 392 <acronym>RAM</acronym>, avoiding kernel virtual address space 393 (<acronym>KVA</acronym>) exhaustion.</para> 394 395 <para revision="282826">The <literal>SIFTR</literal> kernel 396 configuration has been added, allowing building &man.siftr.4; 397 statically into the kernel.</para> 398 399 <para revision="283076" contrib="sponsor" sponsor="&intelcorp;" 400 arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are 401 now included in the <filename>GENERIC</filename> kernel 402 configuration by default.</para> 403 404 <para revision="283505" arch="arm">The &arch.arm; boot loader, 405 <filename>ubldr</filename>, is now relocatable. In addition, 406 <filename>ubldr.bin</filename> is now created during build 407 time, which is a stripped binary with an entry point of 408 <literal>0</literal>, providing the ability to specify the 409 load address by running <literal>go 410 ${loadaddr}</literal> in 411 <literal>u-boot</literal>.</para> 412 413 <para revision="284094" arch="arm">A new module for creating 414 <filename>rpi.dtb</filename> has been added for the Raspberry 415 Pi.</para> 416 417 <para revision="284094" arch="arm">The 418 <filename>rpi.dtb</filename> module is now installed to 419 <filename class="directory">/boot/dtb/</filename> by 420 default for the Raspberry Pi system.</para> 421 422 <para revision="284096" arch="arm">A new module for creating 423 the <filename>dtb</filename> module for AM335x systems has 424 been added.</para> 425 426 <para revision="284522" contrib="sponsor" 427 sponsor="&limelight;">A new kernel configuration option, 428 <literal>EM_MULTIQUEUE</literal>, has been added which enables 429 multi-queue support in the &man.em.4; driver.</para> 430 431 <note> 432 <para>Multi-queue support in the &man.em.4; driver is not 433 officially supported by &intel;.</para> 434 </note> 435 </sect2> 436 437 <sect2 xml:id="kernel-sysctl"> 438 <title>System Tuning and Controls</title> 439 440 <para revision="276986">Throttling via <acronym>ACPI</acronym> 441 and <acronym>P4TCC</acronym> via &man.device.hints.5; have 442 been turned off by default.</para> 443 444 <para revision="278982" contrib="sponsor" sponsor="&ff;">The 445 &man.hwpmc.4; default and maximum callchain depths have been 446 increased. The default has been increased from 16 to 32, and 447 the maximum increased from 32 to 128.</para> 448 449 <para revision="281255" contrib="sponsor" 450 sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has 451 been changed to update timestamps for read/write operations 452 using seconds precision. A new &man.sysctl.8;, 453 <literal>vfs.devfs.dotimes</literal> has been added, which 454 when set to a non-zero value, enables default precision 455 timestamps for these operations.</para> 456 457 <para revision="280632">The <literal>kern.osrelease</literal> 458 and <literal>kern.osreldate</literal> are now configurable 459 &man.jail.8; parameters.</para> 460 461 <para revision="284665" contrib="sponsor" sponsor="&ff;">A new 462 &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been 463 added, which when set to a non-zero value allows using 464 &man.rctl.8; with the <literal>GENERIC</literal> kernel. 465 A new kernel configuration option, 466 <literal>RACCT_DISABLED</literal> has also been added.</para> 467 468 <para revision="284665" contrib="sponsor" sponsor="&ff;">The 469 <literal>GENERIC</literal> kernel configuration now includes 470 <literal>RACCT</literal> and <literal>RCTL</literal> by 471 default.</para> 472 473 <note> 474 <para>To enable <literal>RACCT</literal> and 475 <literal>RCTL</literal> on a system using the 476 <literal>GENERIC</literal> kernel configuration, add 477 <literal>kern.racct.enable=1</literal> to 478 &man.loader.conf.5;, and reboot the system.</para> 479 </note> 480 </sect2> 481 </sect1> 482 483 <sect1 xml:id="drivers"> 484 <title>Devices and Drivers</title> 485 486 <para>This section covers changes and additions to devices and 487 device drivers since &release.prev;.</para> 488 489 <sect2 xml:id="drivers-device"> 490 <title>Device Drivers</title> 491 492 <para revision="282199">The <literal>drm</literal> code has 493 been updated to match &linux; version 3.8.13.</para> 494 495 <para revision="281708">The &man.psm.4; driver has been updated 496 to include improved support for newer Synaptics ® 497 touchpads and the ClickPad ® mouse on newer 498 Lenovo ™ laptops.</para> 499 </sect2> 500 501 <sect2 xml:id="drivers-storage"> 502 <title>Storage Drivers</title> 503 504 <para revision="281957">The &man.hptnr.4; driver has been 505 updated to version 1.1.1.</para> 506 </sect2> 507 508 <sect2 xml:id="drivers-network"> 509 <title>Network Drivers</title> 510 511 <para revision="274486">The &man.pf.4; interface default hash 512 has been changed from <literal>Jenkins</literal> to 513 <literal>Murmur3</literal>, providing a 3-percent performance 514 increase in packets-per-second.</para> 515 516 <para revision="279157">The &man.ral.4; driver has been updated 517 to support the RT5390 and RT5392 chipsets.</para> 518 519 <para revision="284066" contrib="sponsor" sponsor="&yandex;">The 520 &man.gre.4; driver has been significantly overhauled, and has 521 been split into two separate modules, &man.gre.4; and 522 &man.me.4;.</para> 523 524 <para revision="284365">The &man.vxlan.4; driver has been added, 525 which creates a virtual Layer 2 (Ethernet) network overlaid in 526 a Layer 3 (IP/UDP) network. The &man.vxlan.4; driver is 527 analogous to &man.vlan.4;, but is designed to be better suited 528 for large, multiple-tenant datacenter environments.</para> 529 530 <para revision="284499">The &man.cdce.4; driver has been updated 531 to include support for the RTL8153 chipset.</para> 532 533 <para revision="284555" contrib="sponsor" 534 sponsor="&solarflare;">The &man.sfxge.4; driver has been 535 updated to support Solarflare Flareon Ultra 7000-series 536 chipsets.</para> 537 </sect2> 538 </sect1> 539 540 <sect1 xml:id="hardware"> 541 <title>Hardware Support</title> 542 543 <para>This section covers general hardware support for physical 544 machines, hypervisors, and virtualization environments, as well 545 as hardware changes and updates that do not otherwise fit in 546 other sections of this document.</para> 547 548 <sect2 xml:id="hardware-support"> 549 <title>Hardware Support</title> 550 551 <para revision="278407">The &man.uart.4; driver has been updated 552 to include support for the <acronym>AMT</acronym> serial 553 interface found on the Lenovo® ThinkPad™ T61.</para> 554 555 <para revision="279924">The &man.uart.4; driver has been updated 556 to include support for the <acronym>AMT</acronym> serial 557 interface found on the Lenovo® ThinkPad™ 558 T400.</para> 559 </sect2> 560 561 <sect2 xml:id="hardware-virtualization"> 562 <title>Virtualization Support</title> 563 564 <para revision="275273">The &man.virtio.console.4; driver has 565 been added, which provides an interface to VirtIO console 566 devices through a &man.tty.4; device.</para> 567 568 <para revision="276403">The &man.bhyve.8; hypervisor has been 569 updated to support &amd; processors with 570 <acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware 571 extensions.</para> 572 573 <para revision="280370">The &man.bhyve.8; hypervisor has been 574 updated to support <literal>DSM TRIM</literal> commands for 575 virtual <acronym>AHCI</acronym> disks.</para> 576 577 <para revision="283280" contrib="sponsor" sponsor="&msostc;">The 578 Hyper-V™ drivers have been updated with several 579 enhancements:</para> 580 581 <itemizedlist> 582 <listitem> 583 <para>The &man.hv.vmbus.4; driver now has multi-channel 584 support.</para> 585 </listitem> 586 587 <listitem> 588 <para>The &man.hv.storvsc.4; driver now has scatter/gather 589 support, in addition to performance improvements.</para> 590 </listitem> 591 592 <listitem> 593 <para>The &man.hv.kvp.4; driver has received several bug 594 fixes.</para> 595 </listitem> 596 </itemizedlist> 597 598 <para revision="285236" contrib="sponsor" sponsor="&msostc;">The 599 &man.hv.netvsc.4; driver has been updated to support checksum 600 offloading and <acronym>TSO</acronym>.</para> 601 </sect2> 602 603 <sect2 xml:id="hardware-arm"> 604 <title>ARM Support</title> 605 606 <para revision="278079" arch="arm">Support to turn off the 607 BeagleBone Black system with the &man.shutdown.8; 608 <literal>-p</literal> flag or by invoking &man.poweroff.8; has 609 been added.</para> 610 611 <para revision="278599" arch="arm">Support for the Exynos 5420 612 Octa system has been added.</para> 613 614 <para revision="278599" arch="arm">The <acronym>SMP</acronym> 615 option has been enabled for all Exynos 5 systems supported by 616 &os;.</para> 617 618 <para revision="278608">The <literal>bcm2835_cpufreq</literal> 619 driver has been added, which supports <acronym>CPU</acronym> 620 frequency and voltage control on the Raspberry Pi 621 <acronym>SOC</acronym>.</para> 622 623 <para revision="283500" arch="arm">Support for the Toradex 624 Apalis i.MX6 development board has been added.</para> 625 626 <para revision="283500" arch="arm">Audio transmission drivers 627 have been added for Digital Audio Multiplexer 628 (<acronym>AUDMUXM</acronym>), Smart Direct Memory Access 629 Controller (<acronym>SDMA</acronym>), and Syncronous Serial 630 Interface (<acronym>SSI</acronym>).</para> 631 </sect2> 632 </sect1> 633 634 <sect1 xml:id="storage"> 635 <title>Storage</title> 636 637 <para>This section covers changes and additions to file systems 638 and other storage subsystems, both local and networked.</para> 639 640 <sect2 xml:id="storage-general"> 641 <title>General Storage</title> 642 643 <para revision="279002" contrib="sponsor" sponsor="&ix;">The 644 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten, 645 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms 646 with a new mechanism that works for any port.</para> 647 648 <para revision="279055" contrib="sponsor" sponsor="&ix;">The 649 &man.ctld.8; utility has been updated to allow controlling 650 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para> 651 652 <para revision="283223" contrib="sponsor" sponsor="&ff;">The 653 &man.autofs.5; subsystem has been updated to include a new 654 &man.auto.master.5; map, <literal>-media</literal>, which 655 allows automatically mounting removable media, such as 656 <acronym>CD</acronym> drives or <acronym>USB</acronym> flash 657 drives.</para> 658 659 <para revision="283242" contrib="sponsor" sponsor="&ff;">The 660 &man.autofs.5; subsystem has been updated to include a new 661 &man.auto.master.5; map, <literal>-noauto</literal>, which 662 handles &man.fstab.5; entries set to 663 <literal>noauto</literal>.</para> 664 </sect2> 665 666 <sect2 xml:id="storage-net"> 667 <title>Networked Storage</title> 668 669 <para revision="274939" contrib="sponsor" sponsor="&ix;">The 670 &man.ctld.8; utility has been updated to include support for 671 registering <acronym>iSCSI</acronym> targets and portals on 672 <acronym>iSNS</acronym> servers. This provides a mechanism 673 which allows <acronym>iSCSI</acronym> initiators to find 674 targets and portals without requiring active 675 discovery.</para> 676 677 <para revision="275249" contrib="sponsor" sponsor="&ff;">Support 678 for the <literal>timeo</literal>, <literal>actimeo</literal>, 679 <literal>noac</literal>, and <literal>proto</literal> options 680 have been added to &man.mount.nfs.8;.</para> 681 </sect2> 682 683 <sect2 xml:id="storage-zfs"> 684 <title>ZFS</title> 685 686 <para revision="275490">A new tunable, 687 <literal>vfs.zfs.spa_slop_shift</literal>, has been added, 688 which controls how much space is reserved by default.</para> 689 690 <para revision="277583">The <literal>arc_meta_limit</literal> 691 statistics are now visible through the 692 <literal>kstat</literal> &man.sysctl.8;. As a result of this 693 change, the <literal>vfs.zfs.arc_meta_used</literal> 694 &man.sysctl.8; has been removed, and replaced with the 695 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal> 696 &man.sysctl.8;.</para> 697 </sect2> 698 699 <sect2 xml:id="storage-geom"> 700 <title>&man.geom.4;</title> 701 702 <para revision="275891" contrib="sponsor" sponsor="&ix;">The 703 &man.ctl.4; subsystem has been updated, increasing the ports 704 limit from <literal>128</literal> to <literal>256</literal>, 705 and <acronym>LUN</acronym> limit from <literal>256</literal> 706 to <literal>1024</literal>.</para> 707 708 <para revision="282861">Support for the 709 <literal>apple-boot</literal>, <literal>apple-hfs</literal>, 710 and <literal>apple-ufs</literal> <acronym>MBR</acronym> 711 partitioning schemes have been added to &man.gpart.8;.</para> 712 </sect2> 713 </sect1> 714 715 <sect1 xml:id="boot"> 716 <title>Boot Loader Changes</title> 717 718 <para>This section covers the boot loader, boot menu, and other 719 boot-related changes.</para> 720 721 <sect2 xml:id="boot-loader"> 722 <title>Boot Loader Changes</title> 723 724 <para revision="281323">Support for <literal>bzipfs</literal> 725 has been added to the <acronym>EFI</acronym> loader.</para> 726 727 <para revision="281843">The boot loader has been updated to 728 support entering the <acronym>GELI</acronym> passphrase before 729 loading the kernel. To enable this behavior, add 730 <literal>geom_eli_passphrase_prompt="YES"</literal> to 731 &man.loader.conf.5;.</para> 732 733 <para revision="283262" contrib="sponsor" sponsor="&ff;">The 734 memory test run at boot time on &os;/&arch.amd64; platforms 735 has been disabled by default.</para> 736 737 <para revision="283972">A new &man.ttys.5; class, 738 <literal>3wire</literal>, has been added. This is similar to 739 the existing terminal classes, but does not have a defined 740 baudrate.</para> 741 742 <para revision="284775" contrib="sponsor" sponsor="&ff;" 743 arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been 744 updated to enable <filename>ttyu1</filename>, 745 <filename>ttyu2</filename>, and <filename>ttyu3</filename> by 746 default, if the callin port is an active console port.</para> 747 </sect2> 748 749 <sect2 xml:id="boot-menu"> 750 <title>Boot Menu Changes</title> 751 752 <para> </para> 753 </sect2> 754 </sect1> 755 756 <sect1 xml:id="network"> 757 <title>Networking</title> 758 759 <para>This section describes changes that affect networking in 760 &os;.</para> 761 762 <sect2 xml:id="network-protocols"> 763 <title>Network Procols</title> 764 765 <para revision="273838" contrib="sponsor" 766 sponsor="&limelight;">Support for <acronym>PLPMTUD</acronym> 767 blackhole detection (<acronym>RFC</acronym> 4821) has been 768 added to the &man.tcp.4; stack, disabled by default. New 769 control tunables have been added:</para> 770 771 <informaltable frame="none" pgwide="0"> 772 <tgroup cols="2"> 773 <colspec colwidth="1*"/> 774 <colspec colwidth="1*"/> 775 <thead> 776 <row> 777 <entry>Tunable</entry> 778 <entry>Description</entry> 779 </row> 780 </thead> 781 782 <tbody> 783 <row> 784 <entry><literal>net.inet.tcp.pmtud_blackhole_detection</literal></entry> 785 <entry>Enables or disables <acronym>PLPMTUD</acronym> 786 blackhole detection</entry> 787 </row> 788 789 <row> 790 <entry><literal>net.inet.tcp.pmtud_blackhole_mss</literal></entry> 791 <entry><acronym>MSS</acronym> to try for IPv4</entry> 792 </row> 793 794 <row> 795 <entry><literal>net.inet.tcp.v6pmtud_blackhole_mss</literal></entry> 796 <entry><acronym>MSS to try for IPv6</acronym></entry> 797 </row> 798 </tbody> 799 </tgroup> 800 </informaltable> 801 802 <para>New monitoring &man.sysctl.8;s haven been added:</para> 803 804 <informaltable frame="none" pgwide="0"> 805 <tgroup cols="2"> 806 <colspec colwidth="1*"/> 807 <colspec colwidth="1*"/> 808 <thead> 809 <row> 810 <entry>Tunable</entry> 811 <entry>Description</entry> 812 </row> 813 </thead> 814 815 <tbody> 816 <row> 817 <entry><literal>net.inet.tcp.pmtud_blackhole_activated</literal></entry> 818 <entry>Number of times the code was activated to attempt 819 downshifting the <acronym>MSS</acronym></entry> 820 </row> 821 822 <row> 823 <entry><literal>net.inet.tcp.pmtud_blackhole_min_activated</literal></entry> 824 <entry>Number of times the blackhole 825 <acronym>MSS</acronym> was used in an attempt to 826 downshift</entry> 827 </row> 828 829 <row> 830 <entry><literal>net.inet.tcp.pmtud_blackhole_failed</literal></entry> 831 <entry>Number of times that the blackhole failed to 832 connect after downshifting the 833 <acronym>MSS</acronym></entry> 834 </row> 835 </tbody> 836 </tgroup> 837 </informaltable> 838 839 </sect2> 840 </sect1> 841 842 <sect1 xml:id="ports"> 843 <title>Ports Collection and Package Infrastructure</title> 844 845 <para>This section covers changes to the &os; Ports 846 Collection, package infrastructure, and package maintenance and 847 installation tools.</para> 848 849 <sect2 xml:id="ports-infrastructure"> 850 <title>Infrastructure Changes</title> 851 852 <para> </para> 853 </sect2> 854 855 <sect2 xml:id="ports-packages "> 856 <title>Packaging Changes</title> 857 858 <para> </para> 859 </sect2> 860 </sect1> 861 862 <sect1 xml:id="doc"> 863 <title>Documentation</title> 864 865 <para>This section covers changes to the &os; Documentation 866 Project sources and toolchain.</para> 867 868 <sect2 xml:id="doc-sources"> 869 <title>Documentation Source Changes</title> 870 871 <para> </para> 872 </sect2> 873 874 <sect2 xml:id="doc-toolchain"> 875 <title>Documentation Toolchain Changes</title> 876 877 <para> </para> 878 </sect2> 879 </sect1> 880 881 <sect1 xml:id="releng"> 882 <title>Release Engineering and Integration</title> 883 884 <para>This section convers changes that are specific to the 885 &os; Release Engineering processes.</para> 886 887 <sect2 xml:id="releng-changes"> 888 <title>Integration Changes</title> 889 890 <para revision="283161" contrib="sponsor" sponsor="&ff;">The 891 Release Engineering build tools have been updated to support 892 building &os;/&arch.arm; images without external utilities for 893 supported boards where a corresponding 894 <literal>u-boot</literal> port exists in the Ports 895 Collection.</para> 896 897 <para revision="283548" contrib="sponsor" sponsor="&ff;">The 898 &os;/&arch.i386; memory stick installation images are now 899 created using the &man.mkimg.1; utility, matching the way 900 the &os;/&arch.amd64; images are created.</para> 901 902 <para revision="285830" contrib="sponsor" sponsor="&ff;">The 903 default &man.pkg.8; repository set in 904 <filename>/etc/pkg/FreeBSD.conf</filename> now defaults to 905 the <literal>quarterly</literal> package set. To use the 906 <literal>latest</literal> branch (as was the previous 907 default), the comment at the top of 908 <filename>/etc/pkg/FreeBSD.conf</filename> explains how to 909 disable the default repository and specify an alternative 910 repository.</para> 911 </sect2> 912 </sect1> 913</article> 914