release/doc/en_US.ISO8859-1/relnotes/article.xml

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  13
  14   <info>
  15     <title>&os; &release.current; Release Notes</title>
  16
  17     <author>
  18       <orgname>The &os; Project</orgname>
  19     </author>
  20
  21     <pubdate>$FreeBSD$</pubdate>
  22
  23     <copyright>
  24       <year>2000</year>
  25       <year>2001</year>
  26       <year>2002</year>
  27       <year>2003</year>
  28       <year>2004</year>
  29       <year>2005</year>
  30       <year>2006</year>
  31       <year>2007</year>
  32       <year>2008</year>
  33       <year>2009</year>
  34       <year>2010</year>
  35       <year>2011</year>
  36       <year>2012</year>
  37       <year>2013</year>
  38       <year>2014</year>
  39       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
  40         Project</holder>
  41     </copyright>
  42
  43     <legalnotice xml:id="trademarks" role="trademarks">
  44       &tm-attrib.freebsd;
  45       &tm-attrib.ibm;
  46       &tm-attrib.ieee;
  47       &tm-attrib.intel;
  48       &tm-attrib.sparc;
  49       &tm-attrib.general;
  50     </legalnotice>
  51
  52     <abstract>
  53       <para>The release notes for &os; &release.current; contain
  54         a summary of the changes made to the &os; base system on the
  55         &release.branch; development line.  This document lists
  56         applicable security advisories that were issued since the last
  57         release, as well as significant changes to the &os; kernel and
  58         userland.  Some brief remarks on upgrading are also
  59         presented.</para>
  60     </abstract>
  61   </info>
  62
  63   <sect1 xml:id="intro">
  64     <title>Introduction</title>
  65
  66     <para>This document contains the release notes for &os;
  67       &release.current;.  It describes recently added, changed, or
  68       deleted features of &os;.  It also provides some notes on
  69       upgrading from previous versions of &os;.</para>
  70
  71     <para releasetype="current">The &release.type; distribution to
  72       which these release notes apply represents the latest point
  73       along the &release.branch; development branch since
  74       &release.branch; was created.  Information regarding pre-built,
  75       binary &release.type; distributions along this branch can be
  76       found at <uri
  77         xlink:href="&release.url;">&release.url;</uri>.</para>
  78
  79     <para releasetype="snapshot">The &release.type; distribution to
  80       which these release notes apply represents a point along the
  81       &release.branch; development branch between &release.prev; and
  82       the future &release.next;.  Information regarding pre-built,
  83       binary &release.type; distributions along this branch can be
  84       found at <uri
  85         xlink:href="&release.url;">&release.url;</uri>.</para>
  86
  87     <para releasetype="release">This distribution of &os;
  88       &release.current; is a &release.type; distribution.  It can be
  89       found at <uri xlink:href="&release.url;">&release.url;</uri> or
  90       any of its mirrors.  More information on obtaining this (or
  91       other) &release.type; distributions of &os; can be found in the
  92       <link
  93         xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
  94           &os;</quote> appendix</link> to the <link
  95         xlink:href="&url.books.handbook;/">&os;
  96         Handbook</link>.</para>
  97
  98     <para>All users are encouraged to consult the release errata
  99       before installing &os;.  The errata document is updated with
 100       <quote>late-breaking</quote> information discovered late in the
 101       release cycle or after the release.  Typically, it contains
 102       information on known bugs, security advisories, and corrections
 103       to documentation.  An up-to-date copy of the errata for &os;
 104       &release.current; can be found on the &os; Web site.</para>
 105   </sect1>
 106
 107   <sect1 xml:id="new">
 108     <title>What's New</title>
 109
 110     <para>This section describes the most user-visible new or changed
 111       features in &os; since &release.prev;.</para>
 112
 113     <para>Typical release note items document recent security
 114       advisories issued after &release.prev;, new drivers or hardware
 115       support, new commands or options, major bug fixes, or
 116       contributed software upgrades.  They may also list changes to
 117       major ports/packages or release engineering practices.  Clearly
 118       the release notes cannot list every single change made to &os;
 119       between releases; this document focuses primarily on security
 120       advisories, user-visible changes, and major architectural
 121       improvements.</para>
 122
 123     <sect2 xml:id="security">
 124       <title>Security Advisories</title>
 125
 126       <para>&nbsp;</para>
 127
 128     </sect2>
 129
 130     <sect2 xml:id="kernel">
 131       <title>Kernel Changes</title>
 132
 133       <para revision="260431">A new &man.sysctl.8;,
 134         <literal>kern.panic_reboot_wait_time</literal>, has been
 135         added, which allows controlling how long the system will wait
 136         after &man.panic.9; before rebooting.</para>
 137
 138       <para revision="262861">The &man.vt.4; driver has been merged
 139         from &os;-CURRENT.  To enable &man.vt.4;, enter
 140         <literal>set kern.vty=vt</literal> at the &man.loader.8;
 141         prompt during boot, or add <literal>kern.vty=vt</literal> to
 142         &man.loader.conf.5; and reboot the system.</para>
 143
 144       <para revision="263122">Support for &man.hwpmc.4; has been added
 145         for &powerpc;&nbsp;970 class processors.</para>
 146
 147       <para revision="263197">Support for ADT7460 and ADT7467 fan
 148         controllers found in newer PowerBooks&trade; and
 149         iBooks&trade; has been added to the &man.iicbus.4;
 150         driver.</para>
 151
 152       <para revision="263256">A panic triggered by removing
 153         a &man.urtwn.4; device has been fixed.</para>
 154
 155       <para revision="263799">A potential deadlock in the &man.usb.4;
 156         stack triggered by detaching USB devices that create character
 157         devices has been fixed.</para>
 158
 159       <para revision="263869">Support for &amd;&nbsp;Family 16h sensor
 160         devices has been added to &man.amdtemp.4;.</para>
 161
 162       <para revision="265610">The &man.uslcom.4; driver has been
 163         updated to support 26 new devices.</para>
 164
 165       <para revision="266165">A kernel bug that inhibited proper
 166         functionality of the <literal>dev.cpu.0.freq</literal>
 167         &man.sysctl.8; on &intel; processors with Turbo
 168         Boost&trade; enabled has been fixed.</para>
 169
 170       <para revision="266436">The &man.uart.4; driver has been
 171         updated to include support for the &intel;&nbsp;Lynx Point
 172         KT <acronym>AMT</acronym> serial port.</para>
 173
 174       <para revision="266594">The <literal>radeonkms(4)</literal>
 175         driver has been updated to include 32-bit &man.ioctl.2;
 176         support, allowing 32-bit applications to run on a 64-bit
 177         system.</para>
 178
 179       <para revision="266718">A bug that would prevent
 180         a &man.jail.8; from setting the correct IPv4 source address
 181         with some operations that required
 182         <literal>security.jail.allow_raw_sockets</literal> has been
 183         fixed.</para>
 184
 185       <para revision="266911">The &man.hwpmc.4; driver has been
 186         updated to support core events from the Atom&trade;
 187         Silvermont architecture.</para>
 188
 189       <para revision="268046">The &man.oce.4; driver has been updated
 190         with vendor-supplied fixes for big endian support, and 20GB/s
 191         and 25GB/s link speeds.</para>
 192
 193       <para revision="270630">The &os;&nbsp;virtual memory subsystem
 194         has been updated to implement <quote>fast path</quote> for
 195         the page fault handler.</para>
 196
 197       <para revision="271069">The &man.asmc.4; driver has been updated
 198         to support the &apple;&nbsp;Mac Mini 3,1.</para>
 199
 200       <para revision="271111">The &os;/&arch.powerpc64; default kernel
 201         configuration, <filename>GENERIC64</filename>, has been
 202         updated to enable the &man.vt.4; console driver for the
 203         Sony&reg;&nbsp;Playstation&nbsp;3&trade; platform.</para>
 204
 205       <para revision="271116" contrib="sponsor" sponsor="&ff;">The
 206         &os;/&arch.powerpc; <literal>ofwfb</literal> driver, used to
 207         provide a graphics console when the &man.vt.4; console driver
 208         is used, has been modified to work with the <filename
 209           role="package">x11-drivers/xf86-video-scfb</filename>
 210         port.</para>
 211
 212       <note>
 213         <para>If using an <acronym>ATI</acronym> graphics card with
 214           the &man.vt.4; driver, the <filename
 215             role="package">x11-servers/xorg-server</filename> package
 216           must be updated to version 1.12.4_8 or newer.</para>
 217       </note>
 218
 219       <para revision="271128" contrib="sponsor" sponsor="&ff;">Several
 220         performance enchancements to the &man.vt.4; driver have been
 221         merged from &os;-CURRENT.</para>
 222
 223       <para revision="271153">The default stack size
 224         (<literal>KSTACK_PAGES</literal>) has been increased from
 225         <literal>4</literal> to <literal>8</literal> for the
 226         &arch.powerpc64; architecture.</para>
 227
 228       <para revision="271205">The &os;/&arch.powerpc; ATI driver
 229         has been updated to support enabling and disabling the
 230         Radeon&nbsp;9700 backlight, found in the
 231         &apple;&nbsp;PowerBook&trade;&nbsp;G4.</para>
 232
 233       <para revision="271816">Hardware context support has been
 234         added to the <literal>drm/i915</literal> driver, adding
 235         support for <application>Mesa</application> 9.2 and
 236         later.</para>
 237
 238       <sect3 xml:id="kernel-virtualization">
 239         <title>Virtualization Support</title>
 240
 241         <para revision="259450">Support for &microsoft; Hyper-V
 242           has been added to &os;/i386 as loadable modules, however
 243           not available in the <filename>GENERIC</filename> kernel
 244           configuration.</para>
 245
 246         <para revision="261090">The &man.bhyve.4; hypervisor now
 247           supports soft power-off functionality via the ACPI S5
 248           state.</para>
 249
 250         <para revision="267399">Support for &os;/i386 guests has been
 251           added to &man.bhyve.4;.</para>
 252
 253         <para revision="267427">Support for virtualized
 254           <literal>XSAVE</literal> has been added to &man.bhyve.4;,
 255           allowing guest operating systems to use
 256           <literal>XSAVE</literal> and
 257           <literal>XSAVE</literal>-enabled features, such as
 258           <acronym>AVX</acronym>.</para>
 259
 260         <para revision="268932">The &man.bhyve.4; hypervisor now
 261           supports booting from a &man.zfs.8; filesystem.</para>
 262
 263         <para revision="268933">A new driver, &man.virtio_random.4;,
 264           has been added, which allows &os; virtual machines to
 265           harvest entropy from the hypervisor.</para>
 266
 267         <para revision="270159">The &man.bhyve.4; hypervisor has been
 268           synced with the version in &os;-CURRENT.</para>
 269
 270         <para>A number of enhancements have been added, and several
 271           bug fixes, including:</para>
 272
 273         <itemizedlist>
 274           <listitem>
 275             <para>Post-mortem debugging has been added when
 276               a guest virtual machine exits with an
 277               <quote><acronym>EPT</acronym> Misconfiguration</quote>
 278               error.</para>
 279           </listitem>
 280
 281           <listitem>
 282             <para>The hypervisor &man.virtio.4; <acronym>API</acronym>
 283               has been expanded from 32- to 64-bit.</para>
 284           </listitem>
 285
 286           <listitem>
 287             <para>Support for identifying capabilities of the virtual
 288               <acronym>CPU</acronym> has been added.</para>
 289           </listitem>
 290
 291           <listitem>
 292             <para>Support for emulating legacy x86 task
 293               switching has been added.</para>
 294           </listitem>
 295
 296           <listitem>
 297             <para>Support to list the VT-x features in base kernel
 298               &man.dmesg.8; has been added.</para>
 299           </listitem>
 300
 301           <listitem>
 302             <para>Support for extended PCI configuration space
 303               has been added.</para>
 304           </listitem>
 305         </itemizedlist>
 306       </sect3>
 307
 308       <sect3 xml:id="kernel-arm">
 309         <title>ARM Support</title>
 310
 311         <para revision="259355">The <filename>WANDBOARD</filename>
 312           kernel configuration file has been added.</para>
 313
 314         <para revision="265067">Boot devices may now be specified by
 315           setting a u-boot environment variable.  If a boot device is
 316           not specified, the probe mechanism will be used.  To specify
 317           the boot device, set the
 318           <literal>loaderdev=<replaceable>device</replaceable></literal>
 319           u-boot environment variable.</para>
 320
 321         <para revision="266000">The <literal>nexus(4)</literal> driver
 322           has been updated to include <quote>Flattened Device
 323             Tree</quote> support, replacing the &man.fdtbus.4; driver
 324           in most cases.</para>
 325
 326         <para revision="266105">The &man.gpioiic.4; and
 327           &man.gpioled.4; have been merged from &os;-CURRENT.</para>
 328
 329         <para>Support for hardware floating point was added to the
 330           kernel, and enabled by default in the configuration files
 331           for all platforms that contain the required hardware.</para>
 332
 333         <para><application>C++</application> exception handling now
 334           works with <application>GCC</application>.</para>
 335
 336         <para>Support for <acronym>SMP</acronym> was added to the
 337           kernel, and enabled by default in the configuration files
 338           for all platforms that contain multi-core CPUs.</para>
 339
 340         <para>Support was added for:</para>
 341
 342         <itemizedlist>
 343           <listitem>
 344             <para>CHROMEBOOK (Samsung Exynos 5250)</para>
 345           </listitem>
 346
 347           <listitem>
 348             <para>COLIBRI (Freescale Vybrid)</para>
 349           </listitem>
 350
 351           <listitem>
 352             <para>COSMIC (Freescale Vybrid)</para>
 353           </listitem>
 354
 355           <listitem>
 356             <para>IMX53-QSB (Freescale i.MX53)</para>
 357           </listitem>
 358
 359           <listitem>
 360             <para>QUARTZ (Freescale Vybrid)</para>
 361           </listitem>
 362
 363           <listitem>
 364             <para>RADXA (Rockchip rk30xx)</para>
 365           </listitem>
 366
 367           <listitem>
 368             <para>WANDBOARD (Freescale i.MX6)</para>
 369           </listitem>
 370         </itemizedlist>
 371
 372         <para>An <acronym>I2C</acronym> driver was added for
 373           the RaspberryPi.</para>
 374
 375         <para>Drivers have been added to support <acronym>TI</acronym>
 376           platforms, such as BEAGLEBONE and PANDABOARD:</para>
 377
 378         <itemizedlist>
 379           <listitem>
 380             <para>PRUSS (Programmable Realtime Unit Subsystem)</para>
 381           </listitem>
 382
 383           <listitem>
 384             <para>MBOX (Mailbox hardware)</para>
 385           </listitem>
 386
 387           <listitem>
 388             <para>SDHCI (new faster driver for
 389               <acronym>MMC</acronym>/<acronym>SD</acronym>
 390               storage)</para>
 391           </listitem>
 392
 393           <listitem>
 394             <para>PPS (Pulse Per Second input on a
 395               <acronym>GPIO</acronym>/timer pin)</para>
 396           </listitem>
 397
 398           <listitem>
 399             <para>PWM (Pulse Width Modulation output)</para>
 400           </listitem>
 401
 402           <listitem>
 403             <para>ADC (Analog to Digital converter)</para>
 404           </listitem>
 405         </itemizedlist>
 406       </sect3>
 407
 408       <sect3 xml:id="boot">
 409         <title>Boot Loader Changes</title>
 410
 411         <para revision="262701">A kernel selection menu has been added
 412           to &man.loader.8;.  If the <quote>beastie menu</quote> is
 413           enabled, the kernel to boot may be selected from the kernel
 414           selection menu.  Additional kernels may be listed in
 415           &man.loader.conf.5; as a comma- or space-separated list.  By
 416           default, <literal>kernel</literal> and
 417           <literal>kernel.old</literal> are listed.</para>
 418
 419         <para revision="271130" contrib="sponsor" sponsor="&ff;">The
 420           <filename class="directory">sys/boot/</filename> sources
 421           have been rearranged, moving &man.libstand.3; to a directory
 422           indicating the library is built as 32-bit.</para>
 423
 424         <para revision="271135" contrib="sponsor" sponsor="&ff;">The
 425           &man.libstand.3; library has been updated to produce
 426           a 64-bit shared library for the &os;/&arch.amd64; and
 427           &os;/&arch.powerpc64; architectures.</para>
 428
 429         <para revision="271135" contrib="sponsor"
 430           sponsor="&ff;">Initial support for <acronym>UEFI</acronym>
 431           boot has been added.</para>
 432
 433         <para revision="271136" contrib="sponsor" sponsor="&ff;">Three
 434           new files are installed to <filename
 435             class="directory">/boot</filename>, supporting
 436           <acronym>UEFI</acronym> boot:</para>
 437
 438         <itemizedlist>
 439           <listitem>
 440             <para><filename>boot1.efi</filename>: The
 441               <acronym>UEFI</acronym> first stage bootstrap
 442               file.</para>
 443           </listitem>
 444
 445           <listitem>
 446             <para><filename>boot1.efifat</filename>:
 447               A <acronym>FAT</acronym> filesystem image containing
 448               an <acronym>EFI</acronym> system partition.</para>
 449           </listitem>
 450
 451           <listitem>
 452             <para><filename>loader.efi</filename>: The third stage
 453               bootstrap file.</para>
 454           </listitem>
 455         </itemizedlist>
 456
 457         <para revision="271880">Serial console and null console
 458           support has been added to the <acronym>UEFI</acronym> boot
 459           loader.</para>
 460
 461         <para revision="272006">Support has been added to cache
 462           &man.geli.8; passphrases during system boot.  When a system
 463           is configured with multiple <literal>GEOM_ELI</literal>
 464           providers all using the same passphrase, the passphrase that
 465           is cached after the first entry is used for the subsequent
 466           <literal>GEOM_ELI</literal> provider.  If the passphrase in
 467           the cache is incorrect, then a prompt for the passphrase for
 468           the next provider is displayed.</para>
 469       </sect3>
 470
 471       <sect3 xml:id="proc">
 472         <title>Hardware Support</title>
 473
 474         <para>&nbsp;</para>
 475
 476         <sect4 xml:id="mm">
 477           <title>Multimedia Support</title>
 478
 479           <para>&nbsp;</para>
 480
 481         </sect4>
 482
 483         <sect4 xml:id="net-if">
 484           <title>Network Interface Support</title>
 485
 486           <para revision="259453">Support for Ralink RT5370 and
 487             RT5372 chipsets has been added to the &man.run.4;
 488             driver.</para>
 489
 490           <para revision="260120">Firmware for the &man.run.4; driver
 491             has been updated to version 0.33.</para>
 492
 493           <para revision="261868">Support for the Ralink RT3593
 494             chipset has been added to the &man.run.4; driver.</para>
 495
 496           <para revision="261972">The &man.nve.4; driver is now
 497             deprecated, and the &man.nfe.4; driver should be used
 498             instead.</para>
 499
 500           <para revision="262137">Support for the &man.axge.4; driver
 501             has been added.  This driver supports the ASIX AX88178A
 502             and AX88179 USB ethernet adapters.  The AX88178A supports
 503             USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
 504
 505           <para revision="262363">The &man.urndis.4; driver has been
 506             imported from OpenBSD.</para>
 507
 508           <para revision="264866">Support for multiple
 509             transmitter/receiver queues has been added to the
 510             &man.vmx.4; driver.</para>
 511
 512           <note>
 513             <para>The &os;&nbsp;guest operating system must have
 514               <acronym>MSIX</acronym> enabled as a prerequisite for
 515               multiple queues.</para>
 516           </note>
 517
 518           <para revision="265345">Support for the ASUS USB-N10 Nano
 519             wireless card has been added to the &man.urtwn.4;
 520             driver.</para>
 521
 522           <para revision="266212">Transmission checksum offloading has
 523             been disabled for the RTL8168C and RTL8168CP chipsets in
 524             the &man.re.4; driver for TCP and UDP frames.  This is
 525             due to a report of UDP datagrams with IP options
 526             generating corrupt frames.</para>
 527
 528           <para revision="266578">Preliminary support has been added
 529             to the &man.urtwn.4; driver for the Realtek RTL8188EUS and
 530             RTL8188ETV chipsets.</para>
 531
 532           <para revision="267694">A bug in the fast receiver buffer
 533             recycle path has been fixed in the &man.cxgbe.4;
 534             driver.</para>
 535
 536           <para revision="267849" contrib="vendor"
 537             vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for
 538             T4 and T5 cards has been updated to version
 539             1.11.27.0.</para>
 540
 541           <para revision="269196">The &man.em.4; driver has been
 542             updated to version 7.4.2.</para>
 543
 544           <para revision="269975">The &man.ixgbe.4; tunables have been
 545             renamed to match their &man.sysctl.8; counterparts:</para>
 546
 547           <informaltable frame="none" pgwide="0">
 548             <tgroup cols="2">
 549               <colspec colwidth="1*"/>
 550               <colspec colwidth="1*"/>
 551               <thead>
 552                 <row>
 553                   <entry>Old Name</entry>
 554                   <entry>New Name</entry>
 555                 </row>
 556               </thead>
 557
 558               <tbody>
 559                 <row>
 560                   <entry><literal>hw.ixgbe.enable_aim</literal></entry>
 561                   <entry><literal>hw.ix.enable_aim</literal></entry>
 562                 </row>
 563
 564                 <row>
 565                   <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry>
 566                   <entry><literal>hw.ix.max_interrupt_rate</literal></entry>
 567                 </row>
 568
 569                 <row>
 570                   <entry><literal>hw.ixgbe.rx_process_limit</literal></entry>
 571                   <entry><literal>hw.ix.rx_process_limit</literal></entry>
 572                 </row>
 573
 574                 <row>
 575                   <entry><literal>hw.ixgbe.tx_process_limit</literal></entry>
 576                   <entry><literal>hw.ix.tx_process_limit</literal></entry>
 577                 </row>
 578
 579                 <row>
 580                   <entry><literal>hw.ixgbe.enable_msix</literal></entry>
 581                   <entry><literal>hw.ix.enable_msix</literal></entry>
 582                 </row>
 583
 584                 <row>
 585                   <entry><literal>hw.ixgbe.num_queues</literal></entry>
 586                   <entry><literal>hw.ix.num_queues</literal></entry>
 587                 </row>
 588
 589                 <row>
 590                   <entry><literal>hw.ixgbe.txd</literal></entry>
 591                   <entry><literal>hw.ix.txd</literal></entry>
 592                 </row>
 593
 594                 <row>
 595                   <entry><literal>hw.ixgbe.rxd</literal></entry>
 596                   <entry><literal>hw.ix.rxd</literal></entry>
 597                 </row>
 598
 599                 <row>
 600                   <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry>
 601                   <entry><literal>hw.ix.unsupported_sfp</literal></entry>
 602                 </row>
 603               </tbody>
 604             </tgroup>
 605           </informaltable>
 606
 607           <para>Be sure to update &man.loader.conf.5; if using the
 608             old tunables before upgrading to
 609             &os;&nbsp;&release.current;.</para>
 610
 611           <para revision="270061">The &man.if.nf10bmac.4; driver has
 612             been merged from &os;-CURRENT to support the NetFPGA-10G
 613             Embedded CPU Ethernet Core.</para>
 614
 615           <para revision="270297">The &man.cxgbe.4; driver has been
 616             updated to support &man.netmap.4; for the T5 10G/40G
 617             cards.</para>
 618
 619           <para revision="270509">The &man.vtnet.4; driver has been
 620             updated to support &man.netmap.4;.</para>
 621
 622           <para revision="270514">The &man.urtwn.4; driver has been
 623             updated to support the ASUS USB-AC51 wireless card.</para>
 624
 625           <para revision="270631">The &intel;&nbsp;XL710 ethernet
 626             controller driver, <literal>ixlv(4)</literal>, has been
 627             merged from &os;-CURRENT.</para>
 628         </sect4>
 629       </sect3>
 630
 631       <sect3 xml:id="net-proto">
 632         <title>Network Protocols</title>
 633
 634         <para revision="265946">Support for the UDP-Lite protocol
 635           (RFC 3828) has been added to the IPv4 and IPv6
 636           stacks.</para>
 637
 638         <para revision="267771">A bug in &man.sctp.4; that would allow
 639           two listening sockets bound to the same port has been
 640           fixed.</para>
 641
 642         <para contrib="sponsor" sponsor="&ix;">Kernel RPC code, which
 643           is a base of NFS server took multiple optimizations, that
 644           significantly improved its performance and
 645           <acronym>SMP</acronym> scalability.</para>
 646
 647         <para revision="269065" contrib="sponsor" sponsor="&ff;">The
 648           <acronym>iSCSI</acronym> initiator has been updated to
 649           support redirection handling when an
 650           <acronym>iSCSI</acronym> device is configured with multiple
 651           <acronym>IP</acronym> addresses across different network
 652           interfaces.  Previously, clients connecting to
 653           such <acronym>iSCSI</acronym> devices could require
 654           additional client-side configuration.</para>
 655
 656         <para revision="265523" contrib="sponsor" sponsor="&ff;">A new
 657           &man.sysctl.8;,
 658           <literal>kern.iscsi.fail_on_disconnection</literal>, has
 659           been added, which allows <acronym>iSCSI</acronym> clients to
 660           remove the attached disk device when the connection to the
 661           target is dropped, where previously I/O would stop until the
 662           connection is restored.</para>
 663
 664         <para revision="265524" contrib="sponsor" sponsor="&ff;">The
 665           <acronym>iSCSI</acronym> transmit code has been optimized
 666           to coalesce <acronym>PDUs</acronym> and avoid lock
 667           contention.</para>
 668
 669         <para revision="265524" contrib="sponsor"
 670           sponsor="&ix;">Several performance optimizations have been
 671           made to the <acronym>iSCSI</acronym> subsystem, including
 672           deferring wakeup until enough data has been received to
 673           read or write a file, reducing <acronym>CPU</acronym> usage
 674           and throughput performance with large I/O workloads.</para>
 675
 676         <para revision="263720" contrib="sponsor"
 677           sponsor="&ff;">Support for hostname- and IP-based access
 678           restriction has been added to the <acronym>iSCSI</acronym>
 679           &man.ctld.8; daemon.</para>
 680
 681         <para revision="263725" contrib="sponsor"
 682           sponsor="&ff;">The &man.ctld.8; daemon has been updated
 683           to allow overriding the <quote>default</quote>
 684           <literal>portal-group</literal> configuration.</para>
 685
 686         <para revision="263726" contrib="sponsor"
 687           sponsor="&ff;">The &man.ctld.8; daemon now includes a new
 688           <literal>auth-group</literal>, <quote>default</quote>,
 689           defaulting to <literal>deny</literal>, which is possible
 690           to override.</para>
 691       </sect3>
 692
 693       <sect3 xml:id="disks">
 694         <title>Disks and Storage</title>
 695
 696         <para revision="260385" contrib="sponsor" sponsor="&ix;">The
 697           &man.geom.4; subsystem has been updated to support I/O
 698           direct dispatch.  When safety requirements are met, it
 699           enables avoiding passing I/O requests to GEOM
 700           <literal>g_up</literal>/<literal>g_down</literal> thread,
 701           executing them directly in the caller context, avoiding
 702           CPU bottlenecks in
 703           <literal>g_up</literal>/<literal>g_down</literal> threads,
 704           plus avoid several context switches per I/O.</para>
 705
 706         <para revision="260385" contrib="sponsor" sponsor="&ix;">The
 707           &man.geom.4; RAID driver has been
 708           updated to support unmapped I/O.</para>
 709
 710         <para revision="260387" contrib="sponsor" sponsor="&ix;">The
 711           &man.cam.4; subsystem has been updated to support
 712           finer-grained locking, direct dispatch and multi-queue,
 713           which combined with &man.geom.4; direct dispatch, reduces
 714           lock congestion and improves <acronym>SMP</acronym>
 715           scalability of the SCSI/ATA stack.</para>
 716
 717         <para revision="260478">The &man.geom.8;
 718           <literal>GEOM_MULTIPATH</literal> class has been updated to
 719           support automatic live partition resizing.</para>
 720
 721         <para revision="260857">The &man.virtio_blk.4; driver has been
 722           updated to support unmapped I/O.</para>
 723
 724         <para revision="260858">The &man.virtio_scsi.4; driver has
 725           been updated to support unmapped I/O.</para>
 726
 727         <para revision="264522">Support for LUN-based CD changers has
 728           been removed from the &man.cd.4; driver.</para>
 729
 730         <para revision="264732">Support for
 731           <literal>BIO_DELETE</literal> has been added to &man.zfs.8;
 732           <literal>zvol</literal> volumes.</para>
 733
 734         <para revision="264734">Support for 9th generation HP host bus
 735           adapter cards has been added to &man.ciss.4;.</para>
 736
 737         <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
 738           &man.mpr.4; device has been added,
 739           providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
 740           controllers.</para>
 741
 742         <para revision="265678">A new <literal>zvol</literal> property
 743           <literal>volmode</literal> and  &man.sysctl.8;
 744           <literal>vfs.zfs.vol.mode</literal> has been added to allow
 745           switching <literal>zvol</literal> between three different
 746           ways of exposing it to a user: <literal>geom</literal>,
 747           <literal>dev</literal> and <literal>none</literal>.</para>
 748
 749         <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
 750           &man.mrsas.4; driver has been added, providing support for
 751           LSI MegaRAID SAS controllers.  The &man.mfi.4; driver will
 752           attach to the controller, by default.  To enable
 753           &man.mrsas.4; add <literal>hw.mfi.mrsas_enable=1</literal>
 754           to <filename>/boot/loader.conf</filename>, which turns off
 755           &man.mfi.4; device probing.</para>
 756
 757         <note>
 758           <para>At this time, the &man.mfiutil.8; utility and the &os;
 759             version of <application>MegaCLI</application> and
 760             <application>StorCli</application> do not work with
 761             &man.mrsas.4;.</para>
 762         </note>
 763
 764         <para revision="266608">Fixed accounting of
 765           <literal>BIO_FLUSH</literal> operation in &man.geom.8;
 766           <literal>GEOM_DISK</literal> class</para>
 767
 768         <para revision="266610">The &man.gstat.8; utility now has an
 769           <literal>-o</literal> option, to display
 770           <quote>other</quote> operations, such as
 771           <literal>BIO_FLUSH</literal>.</para>
 772
 773         <para revision="267084">The &man.mfi.4; driver has been
 774           updated to include support for unmapped I/O.</para>
 775
 776         <para revision="267457">The &man.hpt27xx.4; driver has been
 777           updated with various vendor-supplied bug fixes.</para>
 778
 779         <para revision="270130" contrib="sponsor"
 780           sponsor="&citrix.rd;">Support for unmapped I/O has been
 781           added to the &man.xen.4; <literal>blkfront</literal>
 782           driver.</para>
 783
 784         <para revision="259328" contrib="sponsor" sponsor="&ff;">The
 785           &man.geom.8; <literal>label</literal> class is now aware of
 786           resized partitions.  This corrects an issue where
 787           <command>geom resize</command> would resize the partition,
 788           but the label provider in <filename
 789             class="directory">/dev/gptid/</filename> would not be
 790           resized.</para>
 791
 792         <para revision="260502">The &man.gmirror.8;
 793           utility now has a <literal>resize</literal> command, making
 794           it easier to resize the size of a mirror when all of its
 795           components have been replaced.</para>
 796
 797         <para revision="262967">Support for MegaRAID Fury cards has
 798           been added to the &man.mfi.4; driver.</para>
 799
 800         <para revision="263024">The &man.aacraid.4; driver has been
 801           updated to version 3.2.5.</para>
 802
 803         <para revision="265536">The <literal>GEOM_VINUM</literal>
 804           option is now able to be built both directly into the kernel
 805           or as a &man.kldload.8; loadable module.</para>
 806
 807         <para revision="265912">The &man.geom.8;
 808           <literal>GEOM_PART</literal> class has been updated to
 809           support automatic partition resizing.  Changes to the
 810           partition size are not saved to disk until
 811           <command>gpart commit</command> is run, and prior to saving,
 812           can be reverted with <command>gpart undo</command>.</para>
 813
 814         <para revision="266220">The &man.geom.uncompress.4; module is
 815           built by default which, similar to &man.geom.uzip.4;,
 816           provides support for compressed, read-only disk
 817           images.</para>
 818
 819         <para revision="268091">Support for the
 820           <literal>disklabel64</literal> partitioning scheme has been
 821           added to &man.gpart.8;.</para>
 822
 823         <para revision="270552">A new &man.sysctl.8; and
 824           &man.loader.8; tunable,
 825           <literal>kern.geom.part.mbr.enforce_chs</literal> has been
 826           added to the &man.geom.8; <literal>MBR</literal> partition
 827           class.  When set to a non-zero value,
 828           <literal>GEOM_PART_MBR</literal> will automatically
 829           recalculate the user-specified offset and size for alignment
 830           with the disk geometry.</para>
 831
 832         <para contrib="sponsor" sponsor="&ix;">Many improvements to
 833           the CAM Target Layer (CTL):</para>
 834         <itemizedlist>
 835           <listitem>
 836             <para>Support for <literal>UNMAP</literal>, <literal>WRITE
 837                 SAME</literal>, <literal>COMPARE AND WRITE</literal>,
 838               <literal>XCOPY</literal> and some other SCSI commands
 839               was added to support VMWare VAAI and Microsoft ODX
 840               storage acceleration.</para>
 841           </listitem>
 842           <listitem>
 843             <para revision="265642">The
 844               <literal>READ</literal>/<literal>WRITE</literal> size
 845               limitations were removed by supporting multiple
 846               data moves per command.</para>
 847           </listitem>
 848           <listitem>
 849             <para revision="268556">Finer-grained per-LUN locking and
 850               multiple worker threads for better
 851               <acronym>SMP</acronym> scapability.</para>
 852           </listitem>
 853           <listitem>
 854             <para revision="269297">Memory consumption reduced by
 855               several times by disabling some never used
 856               functionality.</para>
 857           </listitem>
 858           <listitem>
 859             <para revision="269298">The maximum number of
 860               <acronym>SCSI</acronym> ports increased from 32 to
 861               128.</para>
 862           </listitem>
 863           <listitem>
 864             <para revision="269429">Improved <literal>zvol</literal>
 865               integration for better performance.</para>
 866           </listitem>
 867         </itemizedlist>
 868
 869         <para revision="270810" contrib="vendor"
 870           vendor="&highpoint;">The &man.hptnr.4; driver has been
 871           updated to version 1.0.1.</para>
 872
 873         <para revision="271234">The &man.mrsas.4; driver has been
 874           added to the <filename>GENERIC</filename> kernel
 875           configuration on &arch.amd64; and &arch.i386;
 876           architectures.</para>
 877       </sect3>
 878
 879       <sect3 xml:id="fs">
 880         <title>File Systems</title>
 881
 882         <para revision="260338">The
 883           <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has
 884           been re-enabled.  On multi-CPU machines with enough RAM,
 885           this can easily double &man.zfs.8; performance or reduce CPU
 886           usage in half.  It was originally disabled due to memory and
 887           <acronym>KVA</acronym> exhaustion problem reports, which
 888           should be resolved due to several changes in the VM
 889           subsystem.</para>
 890
 891         <para revision="260178" contrib="vendor"
 892           vendor="&netflix;">A new flag, <literal>-R</literal>,
 893           has been added to the &man.fsck.ffs.8; utility.  When used,
 894           &man.fsck.ffs.8; will restart itself when too many critical
 895           errors have been detected.</para>
 896
 897         <para revision="263407">The &man.zfs.8; filesystem has been
 898           updated to implement <quote>bookmarks</quote>.  See
 899           &man.zfs.8; for further details.</para>
 900
 901         <para revision="266122">The &man.zfs.8; filesystem has been
 902           updated to allow tuning the minimum <quote>ashift</quote>
 903           value when creating new top-level virtual devices (vdevs).
 904           To set the minimum ashift value, for example when creating
 905           a &man.zpool.8; on <quote>Advanced Format</quote> drives,
 906           set the <literal>vfs.zfs.min_auto_ashift</literal>
 907           &man.sysctl.8; accordingly.</para>
 908
 909         <para revision="266612">The <literal>libzfs</literal> thread
 910           pool <acronym>API</acronym> has been imported from
 911           OpenSolaris, and adapted for &os;.  This change allows
 912           parallel disk scanning, which can reduce &man.zpool.8;
 913           overall import time in some workloads.</para>
 914
 915         <para revision="269651">The &man.restore.8; utility has been
 916           updated to prevent assertion failures when restoring
 917           a <acronym>UFS</acronym> filesystem dump to
 918           a <acronym>ZFS</acronym> filesystem by writing restored
 919           files in block sizes that are a multiple of 1024.</para>
 920
 921         <para revision="269774">Two &man.sysctl.8;s have been added
 922           to the &man.zfs.8; filesystem:</para>
 923
 924         <itemizedlist>
 925           <listitem>
 926             <para>
 927               <literal>vfs.zfs.mg_fragmentation_threshold</literal>:&nbsp;The
 928               percentage of the metaslab group size that should be
 929               considered eligible for allocation, unless all metaslab
 930               groups within the metaslab class have also crossed this
 931               threshold.</para>
 932           </listitem>
 933
 934           <listitem>
 935             <para>
 936               <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>:&nbsp;The
 937               maximum percentage of metaslab fragmentation level to
 938               keep their active state</para>
 939           </listitem>
 940         </itemizedlist>
 941
 942         <para revision="269846">The default &man.zfs.8;
 943           <acronym>ARC</acronym> hash table size has been increased,
 944           and a new &man.loader.8; tunable,
 945           <literal>vfs.zfs.arc_average_blocksize</literal>, has been
 946           added.  Previously, the hash table could be too small, which
 947           would lead to long hash chains and limit performance for
 948           cached reads.  The
 949           <literal>vfs.zfs.arc_average_blocksize</literal> tunable
 950           allows overriding the default block size.  The previous
 951           default was 65536, and default of the new &man.loader.8;
 952           tunable is 8192.</para>
 953
 954         <para revision="270157">The Fast File System
 955           (<acronym>FFS</acronym>) has been updated to support
 956           multi-threaded soft updates.  Previously, soft updates were
 957           handled by a single thread, and as of this change, now have
 958           one thread per <acronym>FFS</acronym> mountpoint.</para>
 959
 960         <para revision="270892" contrib="sponsor" sponsor="&ff;">The
 961           new filesystem automount facility, &man.autofs.5;, has been
 962           merged from &os;-CURRENT.  The new &man.autofs.5; facility
 963           is similar to that found in other &unix;-like operating
 964           systems, such as OS&nbsp;X&trade; and Solaris&trade;.  The
 965           &man.autofs.5; facility uses a &sun;-compatible
 966           &man.auto.master.5; configuration file, and is administered
 967           with the &man.automount.8; userland utility, and the
 968           &man.automountd.8; and &man.autounmountd.8; daemons.</para>
 969       </sect3>
 970     </sect2>
 971
 972     <sect2 xml:id="userland">
 973       <title>Userland Changes</title>
 974
 975       <para revision="260177" contrib="sponsor"
 976         sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
 977         <literal>-b</literal>, which outputs the existing buses and
 978         their parents.</para>
 979
 980       <para revision="262075">The &man.newsyslog.8; utility has been
 981         updated to rotate files based on the actual file size instead
 982         of the blocks on disk.  This matches the behavior documented
 983         in &man.newsyslog.conf.5;.</para>
 984
 985       <para revision="262384">The location of the &man.rctl.8;
 986         configuration file can now be overridden in &man.rc.conf.5;.
 987         To use a non-default location, set
 988         <literal>rctl_rules</literal> in &man.rc.conf.5; to the
 989         location of the file.</para>
 990
 991       <para revision="262855">The <application>ATF</application> test
 992         suite has been updated to version 0.20.  The test suite is
 993         disabled by default in &os;&nbsp;10.1, and can be enabled by
 994         adding <literal>WITH_TESTS=yes</literal> to
 995         &man.src.conf.5;.</para>
 996
 997       <para revision="263019">The <literal>libucl</literal> library
 998         (Unified Configuration Library) has been merged from
 999         &os;-CURRENT.</para>
1000
1001       <para revision="263020">The &man.pkg.7; bootstrapping utility
1002         has been synced with the version in &os;-CURRENT.</para>
1003
1004       <para revision="263403">The &man.zfs.8; userland utility has
1005         been updated to include aliases for
1006         <command>snapshot</command>, which allows use of <command>zfs
1007           list -t snap</command> and <command>zfs
1008           snap</command>.</para>
1009
1010       <para revision="263405">The &man.zfs.8; userland utility has
1011         been updated to include a new flag to <command>zfs
1012           list</command>, <literal>-p</literal>, which when specified,
1013         prints the output in a parsable format.</para>
1014
1015       <para revision="263783">The Blowfish password format
1016         implementation has been updated.  Support for &dollar;2b&dollar; has
1017         been added, allowing use of passwords greater than 256
1018         characters long.</para>
1019
1020       <para revision="264497">The &man.iconv.3; library has been
1021         updated to match NetBSD, providing several bug fixes.</para>
1022
1023       <para revision="265265">The &man.date.1; utility has been
1024         updated to include a new flag, <literal>-R</literal>, which
1025         prints the date and time output as specified in RFC
1026         2822.</para>
1027
1028       <para revision="265533">The &man.bc.1; utility has been updated
1029         to version 1.1, in sync with the version in OpenBSD.</para>
1030
1031       <para revision="265604" contrib="vendor"
1032         vendor="&netflix;">The &man.pmcstat.8; utility has been
1033         updated to include a new flag, <literal>-a</literal>, which
1034         when specified, produces a full stack track on the sampled
1035         points.</para>
1036
1037       <para revision="265701">The &man.netstat.8; and &man.route.8;
1038         utilities have been updated to include a shorthand equivalent
1039         to the <literal>-f inet</literal> and <literal>-f
1040           inet6</literal> address specifiers, <literal>-4</literal>
1041         and <literal>-6</literal>, respectively.</para>
1042
1043       <para revision="265879">The &man.crypt.3; library now defaults
1044         to SHA512 for password hashing.</para>
1045
1046       <para revision="266014">The &man.gvinum.8; utility has been
1047         updated to allow forceful configuration reset with the
1048         <literal>-f</literal> flag.  Additionally, a bug that would
1049         prevent <literal>-f</literal> from properly creating
1050         a &man.gvinum.8; configuration has been fixed.</para>
1051
1052       <para revision="266029">The &man.login.conf.5; file now takes
1053         precedence over the shell-specific environment files.  In
1054         particular, the <literal>PATH</literal>,
1055         <literal>BLOCKSIZE</literal> variables are commented from
1056         <filename>/usr/share/skel/dot.profile</filename>, and the
1057         <literal>path</literal>, <literal>BLOCKSIZE</literal>, and
1058         <literal>umask</literal> variables have been commented from
1059         <filename>/usr/share/skel/dot.cshrc</filename>.</para>
1060
1061       <para revision="266272">The &man.binmiscctl.8; userland utility
1062         and related image activator features have been merged from
1063         &os;-CURRENT.</para>
1064
1065       <para revision="266279">The &man.ps.1; utility has been
1066         updated to include the <literal>-J</literal> flag, used to
1067         filter output by matching &man.jail.8; IDs and names.
1068         Additionally, argument <literal>0</literal> can be used to
1069         <literal>-J</literal> to only list processes running on the
1070         host system.</para>
1071
1072       <para revision="266280">The &man.top.1; utility has been updated
1073         to filter by &man.jail.8; ID or name, in followup to the
1074         &man.ps.1; change in <literal>r265229</literal>.</para>
1075
1076       <para revision="266610">The &man.gstat.8; utility has been
1077         updated to include a new flag, <literal>-o</literal>.  When
1078         set, &man.gstat.8; will display statistics for operations
1079         such as <literal>BIO_FLUSH</literal>.</para>
1080
1081       <para revision="266632">The &man.fetch.3; library has been
1082         updated to look for root <acronym>SSL</acronym> certificates
1083         in <filename class="directory">/usr/local/etc/ssl/</filename>
1084         before <filename
1085           class="directory">/etc/ssl/</filename>.</para>
1086
1087       <para revision="266715">The &man.clang.1;/llvm suite has been
1088         updated to version 3.4.1.</para>
1089
1090       <para revision="266816">The Blowfish password format
1091         has been changed to &dollar;2b&dollar; by default.</para>
1092
1093       <para revision="266888">The amount of data collected for
1094         &man.hwpmc.4; has been updated to work with modern processors
1095         and larger amounts of available memory.</para>
1096
1097       <para revision="266890">The &man.pmcstat.8; utility has been
1098         updated to include a new flag, <literal>-l</literal>, which
1099         ends event collection after the specified number of
1100         seconds.</para>
1101
1102       <para revision="266953">The &man.mergemaster.8; utility has
1103         been updated to avoid printing
1104         <quote><filename>/var/tmp/temproot</filename>
1105           disappeared</quote> if there is nothing to compare.</para>
1106
1107       <para revision="267056">The &os; installer, &man.bsdinstall.8;,
1108         has been updated to include optional
1109         &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap
1110         devices when installing onto a full &man.zfs.8; filesystem.
1111         Additionally, the parent &man.zfs.8; dataset is now configured
1112         with <literal>lz4</literal> compression enabled.</para>
1113
1114       <para revision="267113">The default &man.newsyslog.conf.5; now
1115         includes files in the
1116         <filename>/etc/newsyslog.conf.d/</filename> and
1117         <filename>/usr/local/etc/newsyslog.conf.d/</filename>
1118         directories by default for &man.newsyslog.8;.</para>
1119
1120       <para revision="267161">The &man.realpath.1; utility has been
1121         updated to return <literal>ENOTDIR</literal> on paths
1122         components <quote>.</quote> and <quote>..</quote> that are
1123         not directories, such as <filename
1124           class="directory">/dev/null/.</filename> or <filename
1125           class="directory">/dev/null/..</filename>.</para>
1126
1127       <para revision="267236">A new flag, <quote>onifconsole</quote>
1128         has been added to <filename>/etc/ttys</filename>.  This allows
1129         the system to provide a login prompt via serial console if the
1130         device is an active kernel console, otherwise it is equivalent
1131         to <literal>off</literal>.</para>
1132
1133       <para revision="267341">Support for legacy
1134         <acronym>PCI</acronym> devices has been removed from
1135         &man.bhyve.8;.</para>
1136
1137       <para revision="267450">The &man.bhyve.8; userland utility
1138         has been updated to include SMBIOS support.  A new flag has
1139         been added, <literal>-U</literal>, which allows specifying the
1140         UUID of the guest in the System Information structure.</para>
1141
1142       <para revision="267734">The &os;&nbsp;Project has migrated
1143         from the <application>GNATS</application> bug tracking system
1144         to <application>Bugzilla</application>.  The &man.send-pr.1;
1145         utility used for submitting problem reports has been replaced
1146         with a stub shell script that instructs to use the Bugzilla
1147         web interface.</para>
1148
1149       <para revision="267747">The &man.patch.1; utility has been
1150         updated to include a <literal>--dry-run</literal> flag, which
1151         is equivalent to <literal>--check</literal> and
1152         <literal>-C</literal>.</para>
1153
1154       <para revision="267878">A bug in &man.bsdgrep.1; that would
1155         prevent patterns from being matched under certain conditions
1156         has been fixed.</para>
1157
1158       <para revision="267979">The &man.procstat.1; utility has been
1159         updated to include two new flags, <literal>-r</literal> and
1160         <literal>-H</literal>.  When <literal>-r</literal> is
1161         specified, &man.procstat.1; will print current resource usage
1162         about the process(es).  When <literal>-H</literal> is
1163         specified, &man.procstat.1; will print information about
1164         threads rather than the process(es).</para>
1165
1166       <note>
1167         <para>The <literal>-H</literal> flag is currently only used
1168           with <literal>-r</literal> to display resource usage for
1169           individual threads, rather than the entire process.</para>
1170       </note>
1171
1172       <para revision="268019">The &man.sed.1; utility has been
1173         updated to include a new flag, <literal>-u</literal>, which
1174         enables unbuffered output when specified.</para>
1175
1176       <para revision="268161">The &man.mkimg.1; utility has been
1177         merged from &os;-CURRENT.</para>
1178
1179       <para revision="268700" contrib="sponsor"
1180         sponsor="&spectralogic;">The &man.camcontrol.8; has been
1181         updated to include a new <literal>persist</literal> command,
1182         which allows issuing <command>SCSI PERSISTENT RESERVE
1183           IN</command> and <command>SCSI PERSISTENT RESERVE
1184           OUT</command>.</para>
1185
1186       <para revision="268791">The &man.gstat.8; utility has been
1187         updated to include a new flag, <literal>-p</literal>, which
1188         displays only physical providers when specified.</para>
1189
1190       <para revision="268903">The &man.kldstat.8; utility has been
1191         updated to allow <literal>-q</literal> to be specified when
1192         also specifying <literal>-n
1193           <replaceable>module.ko</replaceable></literal>.</para>
1194
1195       <para revision="269177">The &man.mkimg.1; utility has been
1196         updated to include support for both fixed- and
1197         dynamically-allocated images for the <acronym>VHD</acronym>
1198         and <acronym>VMDK</acronym> formats.</para>
1199
1200       <para revision="269220">The &man.random.4; entropy collection
1201         script, <filename>/usr/libexec/save-entropy</filename>, no
1202         longer runs within &man.jail.8; environments.</para>
1203
1204       <para revision="269397">The &man.bhyve.8; wrapper script,
1205         <filename>/usr/share/examples/bhyve/vmrun.sh</filename>,
1206         has been synced with &os;-CURRENT.</para>
1207
1208       <para>This update includes:</para>
1209
1210       <itemizedlist>
1211         <listitem>
1212           <para>A new flag, <literal>-e</literal>, has been added,
1213             which is used to set &man.loader.8; environment
1214             variables.</para>
1215         </listitem>
1216
1217         <listitem>
1218           <para>A new flag, <literal>-C</literal>, has been added,
1219             which is used to specify the guest console device.</para>
1220         </listitem>
1221
1222         <listitem>
1223           <para>A new flag, <literal>-H</literal>, has been added,
1224             which is used to pass the host path to
1225             &man.bhyveload.8;.</para>
1226         </listitem>
1227
1228         <listitem>
1229           <para>Support for multiple disk and &man.tap.4; devices
1230             has been added.</para>
1231         </listitem>
1232
1233         <listitem>
1234           <para>The <literal>-I</literal> flag has been
1235             removed.</para>
1236         </listitem>
1237       </itemizedlist>
1238
1239       <para revision="269398">The &man.nfsd.8; server update to 4.1,
1240         adding support for RFC5661, has merged from
1241         &os;-CURRENT.</para>
1242
1243       <para revision="269432" arch="ia64">The serial terminals
1244         <filename>ttyu0</filename> and <filename>ttyu1</filename> have
1245         been updated to <literal>onifconsole</literal> by default in
1246         &man.ttys.5;, which either can be the serial console,
1247         depending on the platform.</para>
1248
1249       <para revision="269800">The &man.ping6.8; utility has been
1250         updated to reset <literal>itimer</literal> when the maximum
1251         number of packets to send have been reached.  This prevents
1252         &man.ping6.8; from exiting when the interval in set to a small
1253         value and a low number of packets to send has been
1254         specified.</para>
1255
1256       <para revision="269805">The &man.jail.8; utility has been
1257         updated to support extra &man.ifconfig.8; arguments for the
1258         <literal>ip4.addr</literal> and <literal>ip6.addr</literal>
1259         parameters.  This change allows &man.carp.4; interfaces to
1260         be used within the &man.jail.8;.</para>
1261
1262       <para revision="269946">Support for generating and compiling
1263         <acronym>USDT</acronym> <application>DTrace</application>
1264         probes has been improved.  <application>DTrace</application>
1265         <acronym>USDT</acronym> files are now handled similar to
1266         &man.lex.1; and &man.yacc.1; files, meaning support for
1267         handling <application>D</application> files as part of the
1268         build process is built into the <literal>SRCS</literal>
1269         &man.make.1; environment variable.</para>
1270
1271       <para revision="269968">The &man.iscsictl.8; utility has been
1272         updated to include a new flag, <literal>-M</literal>, which
1273         allows modifying the <acronym>iSCSI</acronym> session
1274         parameters without requiring the session to be removed and
1275         added back.</para>
1276
1277       <para revision="270043">The &man.mount.nfs.8; utility has been
1278         updated to support specifying the NFS version as
1279         a <literal>key=<replaceable>value</replaceable></literal> pair
1280         argument to the <literal>-o</literal> flag.  For example, to
1281         specify NFS version 4, the syntax to use is
1282         <literal>-o&nbsp;vers=4</literal>.</para>
1283
1284       <para revision="270242" contrib="sponsor"
1285         sponsor="&spectralogic;">The &man.devd.8; client socket type
1286         has been changed to <literal>SOCK_SEQPACKET</literal>,
1287         providing sequential packet support.</para>
1288
1289       <para revision="270401">Support for the <quote>account</quote>
1290         facility has been added to the &man.pam.group.8;
1291         module.</para>
1292
1293       <para revision="270890">The &man.pathchk.1; utility has been
1294         updated to ensure bytes greater than or equal to 128 are
1295         considered non-portable.</para>
1296
1297       <para revision="270997" contrib="vendor" vendor="&freenas;">The
1298         &man.zdb.8; utility is now included in the set of applications
1299         installed in the <filename
1300           class="directory">/rescue</filename> environment, making it
1301         possible to examine &man.zfs.8; filesystems when <filename
1302           class="directory">/usr</filename> is unavailable.</para>
1303
1304       <para>Several <literal>libc</literal> improvements have been
1305         merged from illumos&trade; and &apple;, providing better
1306         internationalization support and &posix; compliance.</para>
1307
1308       <para revision="271967">Support for adding empty partitions has
1309         been added to the &man.mkimg.1; utility.</para>
1310
1311       <para revision="272819">Support for QCOW and QCOW2 disk image
1312         formats has been added to the &man.mkimg.1; utility.</para>
1313
1314       <para revision="273098">The &man.mkimg.1; utility has been
1315         updated to include three options used to print information
1316         about &man.mkimg.1; itself:</para>
1317
1318       <informaltable frame="none" pgwide="0">
1319         <tgroup cols="2">
1320           <colspec colwidth="1*"/>
1321           <colspec colwidth="1*"/>
1322           <thead>
1323             <row>
1324               <entry>Option</entry>
1325               <entry>Output</entry>
1326             </row>
1327           </thead>
1328
1329           <tbody>
1330             <row>
1331               <entry><literal>--version</literal></entry>
1332               <entry>The current version of the &man.mkimg.1;
1333                 utility</entry>
1334             </row>
1335
1336             <row>
1337               <entry><literal>--formats</literal></entry>
1338               <entry>The disk image file formats supported by
1339                 &man.mkimg.1;</entry>
1340             </row>
1341
1342             <row>
1343               <entry><literal>--schemes</literal></entry>
1344               <entry>The partition schemes supported by
1345                 &man.mkimg.1;</entry>
1346             </row>
1347           </tbody>
1348         </tgroup>
1349       </informaltable>
1350
1351       <sect3 xml:id="rc-scripts">
1352         <title><filename>/etc/rc.d</filename> Scripts</title>
1353
1354         <para revision="264438">The <filename>network.subr</filename>
1355           &man.rc.8; script has been updated to loosen the requirement
1356           of listing network aliases in numeric order.  Previously,
1357           a network alias of
1358           <literal>_alias<replaceable>2</replaceable></literal>
1359           would not be created if
1360           <literal>_alias<replaceable>1</replaceable></literal> was
1361           not defined.</para>
1362
1363         <para revision="268098">The &man.service.8; utility has been
1364           updated to check that the &man.rc.d.8; directory exists
1365           before traversing the directory.</para>
1366
1367         <para revision="259141">A regression introduced in
1368           &os;&nbsp;10.0-RELEASE that would prevent proper IPv6
1369           allocation via the &man.jail.8; &man.rc.8; startup script
1370           has been fixed.</para>
1371
1372         <para revision="264438">The &man.rc.8; restriction requiring
1373           &man.mdconfig.8; devices defined in &man.rc.conf.5; to be
1374           listed sequentially has been removed.</para>
1375
1376         <para revision="262566">The &man.sshd.8; &man.rc.d.8; startup
1377           script now generates <literal>ED25519</literal> &man.sshd.8;
1378           host keys if keys do not already exist when
1379           <literal>ssh_keygen_alg()</literal> is invoked.</para>
1380
1381         <para revision="271095">Support for &man.vt.4; keyboard maps
1382           has been added to the <filename>syscons</filename>
1383           &man.rc.d.8; startup script.</para>
1384
1385         <para revision="271260">Support for subdirectories within
1386           <filename
1387             class="directory">/etc/rc.conf.d/<replaceable>service</replaceable>/</filename>
1388           has been added the &man.rc.d.8;.  This allows creating
1389           separate configuration files for services such as
1390           <filename>netif</filename>, for example, where each network
1391           interface can have a separate configuration file.</para>
1392
1393         <para revision="272078">The default &man.rc.conf.5;,
1394           <filename>/etc/defaults/rc.conf</filename>, has been updated
1395           to include <filename
1396             class="directory">/usr/lib32/compat</filename> in the
1397           default <filename>ld-elf32.so.1</filename> search
1398           path.</para>
1399       </sect3>
1400
1401       <sect3 xml:id="periodic-scripts">
1402         <title><filename>/etc/periodic</filename> Scripts</title>
1403
1404         <para revision="272430">The daily &man.periodic.8; script
1405           <filename>110.clean-tmps</filename> has been updated to
1406           avoid crossing filesystem mount boundaries when cleaning
1407           files in <filename class="directory">/tmp</filename>.</para>
1408       </sect3>
1409     </sect2>
1410
1411     <sect2 xml:id="contrib">
1412       <title>Contributed Software</title>
1413
1414       <para revision="263285">The &man.xz.1; utility has been updated
1415         to a post-5.0.5 snapshot.</para>
1416
1417       <para revision="264377"><application>OpenSSH</application> has
1418         been updated to version 6.6p1.</para>
1419
1420       <para revision="264911">The &man.nc.1; utility has been updated
1421         to match the version in OpenBSD 5.5.</para>
1422
1423       <para revision="266692"><application>Sendmail</application>
1424         has been updated to 8.14.9.</para>
1425
1426       <para revision="268515">The &man.file.1; utility and
1427         &man.libmagic.3; library have been updated to 5.19.</para>
1428
1429       <para revision="268899">The &man.byacc.1; parser has been
1430         updated to version 20140422.</para>
1431
1432       <para revision="269024" contrib="sponsor"
1433         sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
1434         been updated to the r202189 snapshot.</para>
1435
1436       <para revision="269257">The &man.unbound.8; caching resolver and
1437         <literal>ldns</literal> have been updated to version
1438         1.4.22.</para>
1439
1440       <para revision="269686"><application>OpenSSL</application> has
1441         been updated to version 1.0.1i.</para>
1442
1443       <para revision="269847">The <quote>lite</quote> version of
1444         <application>Subversion</application> included in the
1445         &os;&nbsp;base system and its dependencies have been
1446         updated:</para>
1447
1448       <itemizedlist>
1449         <listitem>
1450           <para><application>apr</application> has been
1451             updated to version 1.5.1.</para>
1452         </listitem>
1453
1454         <listitem>
1455           <para><application>apr-util</application> has been
1456             updated to version 1.5.3.</para>
1457         </listitem>
1458
1459         <listitem>
1460           <para><application>serf</application> has been
1461             updated to version 1.3.7.</para>
1462         </listitem>
1463
1464         <listitem>
1465           <para><application>svnlite</application> has been
1466             updated to version 1.8.10.</para>
1467         </listitem>
1468       </itemizedlist>
1469
1470       <para revision="270026">The &man.nvi.1; editor has been
1471         update to version 2.1.2-c80f493b038.</para>
1472
1473       <para revision="270031">The &man.fparseln.3; library has
1474         been updated to version 1.7.</para>
1475
1476       <para revision="270415">The <application>lukemftpd</application>
1477         <acronym>FTP</acronym> server has been removed from the
1478         &os;&nbsp;base system.</para>
1479
1480       <para revision="270817">The timezone database has been updated
1481         to version tzdata2014f.</para>
1482
1483       <para revision="271947"><application>OpenPAM</application> has
1484         been updated to Ourouparia (20140912).</para>
1485     </sect2>
1486
1487     <sect2 xml:id="ports">
1488       <title>Ports/Packages Collection Infrastructure</title>
1489
1490       <para>&nbsp;</para>
1491
1492     </sect2>
1493
1494     <sect2 xml:id="releng">
1495       <title>Release Engineering and Integration</title>
1496
1497       <para revision="263028">The &man.services.mkdb.8; utility has
1498         been updated to include endianness awareness, allowing the
1499         <filename>services.db</filename> database to be created as
1500         part of the release build, regardless of native- or
1501         cross-built releases.</para>
1502
1503       <para revision="271470" contrib="sponsor" sponsor="&ff;">The
1504         <filename class="directory">release/</filename> scripts have
1505         been updated to produce <acronym>UEFI</acronym>-capable and
1506         <acronym>BIOS</acronym>-capable CD-ROM ISOs as well as memory
1507         stick images for the &os;/&arch.amd64; architecture.</para>
1508
1509       <para revision="271943" contrib="sponsor" sponsor="&ff;">The
1510         <filename>release/scripts/pkg-stage.sh</filename> script has
1511         been updated to include a symlink to the on-disc version of
1512         &man.pkg.8; in the <filename
1513           class="directory">packages/</filename> structure on the
1514         DVD installer.  This allows the &man.pkg.7; bootstrap utility
1515         to properly locate the <filename>Latest/pkg.txz</filename>
1516         file on the DVD when <literal>REPOS_DIR</literal> is set to
1517         <filename class="directory">/dist/packages/repos</filename>,
1518         eliminating the need for a network connection or explicitly
1519         providing the path to the version included on the DVD
1520         installation medium.</para>
1521
1522       <para revision="273101" contrib="sponsor" sponsor="&ff;">The
1523         &os;&nbsp;Release Engineering build tools have been updated to
1524         provide support for building virtual machine disk images as
1525         part of the release build process using &man.mkimg.1;.  The
1526         disk image formats currently supported include QCOW2, VHD,
1527         VMDK, and raw formats.  See &man.release.7; for additional
1528         information.</para>
1529     </sect2>
1530
1531     <sect2 xml:id="doc">
1532       <title>Documentation</title>
1533
1534       <para>&nbsp;</para>
1535
1536     </sect2>
1537   </sect1>
1538
1539   <sect1 xml:id="upgrade">
1540     <title>Upgrading from Previous Releases of &os;</title>
1541
1542     <para arch="amd64,i386">Binary upgrades between RELEASE versions
1543       (and snapshots of the various security branches) are supported
1544       using the &man.freebsd-update.8; utility.  The binary upgrade
1545       procedure will update unmodified userland utilities, as well as
1546       unmodified <filename>GENERIC</filename> kernel distributed as
1547       a part of an official &os; release.  The &man.freebsd-update.8;
1548       utility requires that the host being upgraded have Internet
1549       connectivity.</para>
1550
1551     <para>Source-based upgrades (those based on recompiling the &os;
1552       base system from source code) from previous versions are
1553       supported, according to the instructions in
1554       <filename>/usr/src/UPDATING</filename>.</para>
1555
1556     <important>
1557       <para>Upgrading &os; should only be attempted after
1558         backing up <emphasis>all</emphasis> data and configuration
1559         files.</para>
1560     </important>
1561   </sect1>
1562 </article>