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         <sect4 xml:id="net-if">
 475           <title>Network Interface Support</title>
 476
 477           <para revision="259453">Support for Ralink RT5370 and
 478             RT5372 chipsets has been added to the &man.run.4;
 479             driver.</para>
 480
 481           <para revision="260120">Firmware for the &man.run.4; driver
 482             has been updated to version 0.33.</para>
 483
 484           <para revision="261868">Support for the Ralink RT3593
 485             chipset has been added to the &man.run.4; driver.</para>
 486
 487           <para revision="261972">The &man.nve.4; driver is now
 488             deprecated, and the &man.nfe.4; driver should be used
 489             instead.</para>
 490
 491           <para revision="262137">Support for the &man.axge.4; driver
 492             has been added.  This driver supports the ASIX AX88178A
 493             and AX88179 USB ethernet adapters.  The AX88178A supports
 494             USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
 495
 496           <para revision="262363">The &man.urndis.4; driver has been
 497             imported from OpenBSD.</para>
 498
 499           <para revision="264866">Support for multiple
 500             transmitter/receiver queues has been added to the
 501             &man.vmx.4; driver.</para>
 502
 503           <note>
 504             <para>The &os;&nbsp;guest operating system must have
 505               <acronym>MSIX</acronym> enabled as a prerequisite for
 506               multiple queues.</para>
 507           </note>
 508
 509           <para revision="265345">Support for the ASUS USB-N10 Nano
 510             wireless card has been added to the &man.urtwn.4;
 511             driver.</para>
 512
 513           <para revision="266212">Transmission checksum offloading has
 514             been disabled for the RTL8168C and RTL8168CP chipsets in
 515             the &man.re.4; driver for TCP and UDP frames.  This is
 516             due to a report of UDP datagrams with IP options
 517             generating corrupt frames.</para>
 518
 519           <para revision="266578">Preliminary support has been added
 520             to the &man.urtwn.4; driver for the Realtek RTL8188EUS and
 521             RTL8188ETV chipsets.</para>
 522
 523           <para revision="267694">A bug in the fast receiver buffer
 524             recycle path has been fixed in the &man.cxgbe.4;
 525             driver.</para>
 526
 527           <para revision="267849" contrib="vendor"
 528             vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for
 529             T4 and T5 cards has been updated to version
 530             1.11.27.0.</para>
 531
 532           <para revision="269196">The &man.em.4; driver has been
 533             updated to version 7.4.2.</para>
 534
 535           <para revision="269975">The &man.ixgbe.4; tunables have been
 536             renamed to match their &man.sysctl.8; counterparts:</para>
 537
 538           <informaltable frame="none" pgwide="0">
 539             <tgroup cols="2">
 540               <colspec colwidth="1*"/>
 541               <colspec colwidth="1*"/>
 542               <thead>
 543                 <row>
 544                   <entry>Old Name</entry>
 545                   <entry>New Name</entry>
 546                 </row>
 547               </thead>
 548
 549               <tbody>
 550                 <row>
 551                   <entry><literal>hw.ixgbe.enable_aim</literal></entry>
 552                   <entry><literal>hw.ix.enable_aim</literal></entry>
 553                 </row>
 554
 555                 <row>
 556                   <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry>
 557                   <entry><literal>hw.ix.max_interrupt_rate</literal></entry>
 558                 </row>
 559
 560                 <row>
 561                   <entry><literal>hw.ixgbe.rx_process_limit</literal></entry>
 562                   <entry><literal>hw.ix.rx_process_limit</literal></entry>
 563                 </row>
 564
 565                 <row>
 566                   <entry><literal>hw.ixgbe.tx_process_limit</literal></entry>
 567                   <entry><literal>hw.ix.tx_process_limit</literal></entry>
 568                 </row>
 569
 570                 <row>
 571                   <entry><literal>hw.ixgbe.enable_msix</literal></entry>
 572                   <entry><literal>hw.ix.enable_msix</literal></entry>
 573                 </row>
 574
 575                 <row>
 576                   <entry><literal>hw.ixgbe.num_queues</literal></entry>
 577                   <entry><literal>hw.ix.num_queues</literal></entry>
 578                 </row>
 579
 580                 <row>
 581                   <entry><literal>hw.ixgbe.txd</literal></entry>
 582                   <entry><literal>hw.ix.txd</literal></entry>
 583                 </row>
 584
 585                 <row>
 586                   <entry><literal>hw.ixgbe.rxd</literal></entry>
 587                   <entry><literal>hw.ix.rxd</literal></entry>
 588                 </row>
 589
 590                 <row>
 591                   <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry>
 592                   <entry><literal>hw.ix.unsupported_sfp</literal></entry>
 593                 </row>
 594               </tbody>
 595             </tgroup>
 596           </informaltable>
 597
 598           <para>Be sure to update &man.loader.conf.5; if using the
 599             old tunables before upgrading to
 600             &os;&nbsp;&release.current;.</para>
 601
 602           <para revision="270061">The &man.if.nf10bmac.4; driver has
 603             been merged from &os;-CURRENT to support the NetFPGA-10G
 604             Embedded CPU Ethernet Core.</para>
 605
 606           <para revision="270297">The &man.cxgbe.4; driver has been
 607             updated to support &man.netmap.4; for the T5 10G/40G
 608             cards.</para>
 609
 610           <para revision="270509">The &man.vtnet.4; driver has been
 611             updated to support &man.netmap.4;.</para>
 612
 613           <para revision="270514">The &man.urtwn.4; driver has been
 614             updated to support the ASUS USB-AC51 wireless card.</para>
 615
 616           <para revision="270631">The &intel;&nbsp;XL710 ethernet
 617             controller driver, <literal>ixlv(4)</literal>, has been
 618             merged from &os;-CURRENT.</para>
 619         </sect4>
 620       </sect3>
 621
 622       <sect3 xml:id="net-proto">
 623         <title>Network Protocols</title>
 624
 625         <para revision="265946">Support for the UDP-Lite protocol
 626           (RFC 3828) has been added to the IPv4 and IPv6
 627           stacks.</para>
 628
 629         <para revision="267771">A bug in &man.sctp.4; that would allow
 630           two listening sockets bound to the same port has been
 631           fixed.</para>
 632
 633         <para contrib="sponsor" sponsor="&ix;">Kernel RPC code, which
 634           is a base of NFS server took multiple optimizations, that
 635           significantly improved its performance and
 636           <acronym>SMP</acronym> scalability.</para>
 637
 638         <para revision="269065" contrib="sponsor" sponsor="&ff;">The
 639           <acronym>iSCSI</acronym> initiator has been updated to
 640           support redirection handling when an
 641           <acronym>iSCSI</acronym> device is configured with multiple
 642           <acronym>IP</acronym> addresses across different network
 643           interfaces.  Previously, clients connecting to
 644           such <acronym>iSCSI</acronym> devices could require
 645           additional client-side configuration.</para>
 646
 647         <para revision="265523" contrib="sponsor" sponsor="&ff;">A new
 648           &man.sysctl.8;,
 649           <literal>kern.iscsi.fail_on_disconnection</literal>, has
 650           been added, which allows <acronym>iSCSI</acronym> clients to
 651           remove the attached disk device when the connection to the
 652           target is dropped, where previously I/O would stop until the
 653           connection is restored.</para>
 654
 655         <para revision="265524" contrib="sponsor" sponsor="&ff;">The
 656           <acronym>iSCSI</acronym> transmit code has been optimized
 657           to coalesce <acronym>PDUs</acronym> and avoid lock
 658           contention.</para>
 659
 660         <para revision="265524" contrib="sponsor"
 661           sponsor="&ix;">Several performance optimizations have been
 662           made to the <acronym>iSCSI</acronym> subsystem, including
 663           deferring wakeup until enough data has been received to
 664           read or write a file, reducing <acronym>CPU</acronym> usage
 665           and throughput performance with large I/O workloads.</para>
 666
 667         <para revision="263720" contrib="sponsor"
 668           sponsor="&ff;">Support for hostname- and IP-based access
 669           restriction has been added to the <acronym>iSCSI</acronym>
 670           &man.ctld.8; daemon.</para>
 671
 672         <para revision="263725" contrib="sponsor"
 673           sponsor="&ff;">The &man.ctld.8; daemon has been updated
 674           to allow overriding the <quote>default</quote>
 675           <literal>portal-group</literal> configuration.</para>
 676
 677         <para revision="263726" contrib="sponsor"
 678           sponsor="&ff;">The &man.ctld.8; daemon now includes a new
 679           <literal>auth-group</literal>, <quote>default</quote>,
 680           defaulting to <literal>deny</literal>, which is possible
 681           to override.</para>
 682       </sect3>
 683
 684       <sect3 xml:id="disks">
 685         <title>Disks and Storage</title>
 686
 687         <para revision="260385" contrib="sponsor" sponsor="&ix;">The
 688           &man.geom.4; subsystem has been updated to support I/O
 689           direct dispatch.  When safety requirements are met, it
 690           enables avoiding passing I/O requests to GEOM
 691           <literal>g_up</literal>/<literal>g_down</literal> thread,
 692           executing them directly in the caller context, avoiding
 693           CPU bottlenecks in
 694           <literal>g_up</literal>/<literal>g_down</literal> threads,
 695           plus avoid several context switches per I/O.</para>
 696
 697         <para revision="260385" contrib="sponsor" sponsor="&ix;">The
 698           &man.geom.4; RAID driver has been
 699           updated to support unmapped I/O.</para>
 700
 701         <para revision="260387" contrib="sponsor" sponsor="&ix;">The
 702           &man.cam.4; subsystem has been updated to support
 703           finer-grained locking, direct dispatch and multi-queue,
 704           which combined with &man.geom.4; direct dispatch, reduces
 705           lock congestion and improves <acronym>SMP</acronym>
 706           scalability of the SCSI/ATA stack.</para>
 707
 708         <para revision="260478">The &man.geom.8;
 709           <literal>GEOM_MULTIPATH</literal> class has been updated to
 710           support automatic live partition resizing.</para>
 711
 712         <para revision="260857">The &man.virtio_blk.4; driver has been
 713           updated to support unmapped I/O.</para>
 714
 715         <para revision="260858">The &man.virtio_scsi.4; driver has
 716           been updated to support unmapped I/O.</para>
 717
 718         <para revision="264522">Support for LUN-based CD changers has
 719           been removed from the &man.cd.4; driver.</para>
 720
 721         <para revision="264732">Support for
 722           <literal>BIO_DELETE</literal> has been added to &man.zfs.8;
 723           <literal>zvol</literal> volumes.</para>
 724
 725         <para revision="264734">Support for 9th generation HP host bus
 726           adapter cards has been added to &man.ciss.4;.</para>
 727
 728         <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
 729           &man.mpr.4; device has been added,
 730           providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
 731           controllers.</para>
 732
 733         <para revision="265678">A new <literal>zvol</literal> property
 734           <literal>volmode</literal> and  &man.sysctl.8;
 735           <literal>vfs.zfs.vol.mode</literal> has been added to allow
 736           switching <literal>zvol</literal> between three different
 737           ways of exposing it to a user: <literal>geom</literal>,
 738           <literal>dev</literal> and <literal>none</literal>.</para>
 739
 740         <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
 741           &man.mrsas.4; driver has been added, providing support for
 742           LSI MegaRAID SAS controllers.  The &man.mfi.4; driver will
 743           attach to the controller, by default.  To enable
 744           &man.mrsas.4; add <literal>hw.mfi.mrsas_enable=1</literal>
 745           to <filename>/boot/loader.conf</filename>, which turns off
 746           &man.mfi.4; device probing.</para>
 747
 748         <note>
 749           <para>At this time, the &man.mfiutil.8; utility and the &os;
 750             version of <application>MegaCLI</application> and
 751             <application>StorCli</application> do not work with
 752             &man.mrsas.4;.</para>
 753         </note>
 754
 755         <para revision="266608">Fixed accounting of
 756           <literal>BIO_FLUSH</literal> operation in &man.geom.8;
 757           <literal>GEOM_DISK</literal> class</para>
 758
 759         <para revision="266610">The &man.gstat.8; utility now has an
 760           <literal>-o</literal> option, to display
 761           <quote>other</quote> operations, such as
 762           <literal>BIO_FLUSH</literal>.</para>
 763
 764         <para revision="267084">The &man.mfi.4; driver has been
 765           updated to include support for unmapped I/O.</para>
 766
 767         <para revision="267457">The &man.hpt27xx.4; driver has been
 768           updated with various vendor-supplied bug fixes.</para>
 769
 770         <para revision="270130" contrib="sponsor"
 771           sponsor="&citrix.rd;">Support for unmapped I/O has been
 772           added to the &man.xen.4; <literal>blkfront</literal>
 773           driver.</para>
 774
 775         <para revision="259328" contrib="sponsor" sponsor="&ff;">The
 776           &man.geom.8; <literal>label</literal> class is now aware of
 777           resized partitions.  This corrects an issue where
 778           <command>geom resize</command> would resize the partition,
 779           but the label provider in <filename
 780             class="directory">/dev/gptid/</filename> would not be
 781           resized.</para>
 782
 783         <para revision="260502">The &man.gmirror.8;
 784           utility now has a <literal>resize</literal> command, making
 785           it easier to resize the size of a mirror when all of its
 786           components have been replaced.</para>
 787
 788         <para revision="262967">Support for MegaRAID Fury cards has
 789           been added to the &man.mfi.4; driver.</para>
 790
 791         <para revision="263024">The &man.aacraid.4; driver has been
 792           updated to version 3.2.5.</para>
 793
 794         <para revision="265536">The <literal>GEOM_VINUM</literal>
 795           option is now able to be built both directly into the kernel
 796           or as a &man.kldload.8; loadable module.</para>
 797
 798         <para revision="265912">The &man.geom.8;
 799           <literal>GEOM_PART</literal> class has been updated to
 800           support automatic partition resizing.  Changes to the
 801           partition size are not saved to disk until
 802           <command>gpart commit</command> is run, and prior to saving,
 803           can be reverted with <command>gpart undo</command>.</para>
 804
 805         <para revision="266220">The &man.geom.uncompress.4; module is
 806           built by default which, similar to &man.geom.uzip.4;,
 807           provides support for compressed, read-only disk
 808           images.</para>
 809
 810         <para revision="268091">Support for the
 811           <literal>disklabel64</literal> partitioning scheme has been
 812           added to &man.gpart.8;.</para>
 813
 814         <para revision="270552">A new &man.sysctl.8; and
 815           &man.loader.8; tunable,
 816           <literal>kern.geom.part.mbr.enforce_chs</literal> has been
 817           added to the &man.geom.8; <literal>MBR</literal> partition
 818           class.  When set to a non-zero value,
 819           <literal>GEOM_PART_MBR</literal> will automatically
 820           recalculate the user-specified offset and size for alignment
 821           with the disk geometry.</para>
 822
 823         <para contrib="sponsor" sponsor="&ix;">Many improvements to
 824           the CAM Target Layer (CTL):</para>
 825         <itemizedlist>
 826           <listitem>
 827             <para>Support for <literal>UNMAP</literal>, <literal>WRITE
 828                 SAME</literal>, <literal>COMPARE AND WRITE</literal>,
 829               <literal>XCOPY</literal> and some other SCSI commands
 830               was added to support VMWare VAAI and Microsoft ODX
 831               storage acceleration.</para>
 832           </listitem>
 833           <listitem>
 834             <para revision="265642">The
 835               <literal>READ</literal>/<literal>WRITE</literal> size
 836               limitations were removed by supporting multiple
 837               data moves per command.</para>
 838           </listitem>
 839           <listitem>
 840             <para revision="268556">Finer-grained per-LUN locking and
 841               multiple worker threads for better
 842               <acronym>SMP</acronym> scapability.</para>
 843           </listitem>
 844           <listitem>
 845             <para revision="269297">Memory consumption reduced by
 846               several times by disabling some never used
 847               functionality.</para>
 848           </listitem>
 849           <listitem>
 850             <para revision="269298">The maximum number of
 851               <acronym>SCSI</acronym> ports increased from 32 to
 852               128.</para>
 853           </listitem>
 854           <listitem>
 855             <para revision="269429">Improved <literal>zvol</literal>
 856               integration for better performance.</para>
 857           </listitem>
 858         </itemizedlist>
 859
 860         <para revision="270810" contrib="vendor"
 861           vendor="&highpoint;">The &man.hptnr.4; driver has been
 862           updated to version 1.0.1.</para>
 863
 864         <para revision="271234">The &man.mrsas.4; driver has been
 865           added to the <filename>GENERIC</filename> kernel
 866           configuration on &arch.amd64; and &arch.i386;
 867           architectures.</para>
 868       </sect3>
 869
 870       <sect3 xml:id="fs">
 871         <title>File Systems</title>
 872
 873         <para revision="260338">The
 874           <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has
 875           been re-enabled.  On multi-CPU machines with enough RAM,
 876           this can easily double &man.zfs.8; performance or reduce CPU
 877           usage in half.  It was originally disabled due to memory and
 878           <acronym>KVA</acronym> exhaustion problem reports, which
 879           should be resolved due to several changes in the VM
 880           subsystem.</para>
 881
 882         <para revision="260178" contrib="vendor"
 883           vendor="&netflix;">A new flag, <literal>-R</literal>,
 884           has been added to the &man.fsck.ffs.8; utility.  When used,
 885           &man.fsck.ffs.8; will restart itself when too many critical
 886           errors have been detected.</para>
 887
 888         <para revision="263407">The &man.zfs.8; filesystem has been
 889           updated to implement <quote>bookmarks</quote>.  See
 890           &man.zfs.8; for further details.</para>
 891
 892         <para revision="266122">The &man.zfs.8; filesystem has been
 893           updated to allow tuning the minimum <quote>ashift</quote>
 894           value when creating new top-level virtual devices (vdevs).
 895           To set the minimum ashift value, for example when creating
 896           a &man.zpool.8; on <quote>Advanced Format</quote> drives,
 897           set the <literal>vfs.zfs.min_auto_ashift</literal>
 898           &man.sysctl.8; accordingly.</para>
 899
 900         <para revision="266612">The <literal>libzfs</literal> thread
 901           pool <acronym>API</acronym> has been imported from
 902           OpenSolaris, and adapted for &os;.  This change allows
 903           parallel disk scanning, which can reduce &man.zpool.8;
 904           overall import time in some workloads.</para>
 905
 906         <para revision="269651">The &man.restore.8; utility has been
 907           updated to prevent assertion failures when restoring
 908           a <acronym>UFS</acronym> filesystem dump to
 909           a <acronym>ZFS</acronym> filesystem by writing restored
 910           files in block sizes that are a multiple of 1024.</para>
 911
 912         <para revision="269774">Two &man.sysctl.8;s have been added
 913           to the &man.zfs.8; filesystem:</para>
 914
 915         <itemizedlist>
 916           <listitem>
 917             <para>
 918               <literal>vfs.zfs.mg_fragmentation_threshold</literal>:&nbsp;The
 919               percentage of the metaslab group size that should be
 920               considered eligible for allocation, unless all metaslab
 921               groups within the metaslab class have also crossed this
 922               threshold.</para>
 923           </listitem>
 924
 925           <listitem>
 926             <para>
 927               <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>:&nbsp;The
 928               maximum percentage of metaslab fragmentation level to
 929               keep their active state</para>
 930           </listitem>
 931         </itemizedlist>
 932
 933         <para revision="269846">The default &man.zfs.8;
 934           <acronym>ARC</acronym> hash table size has been increased,
 935           and a new &man.loader.8; tunable,
 936           <literal>vfs.zfs.arc_average_blocksize</literal>, has been
 937           added.  Previously, the hash table could be too small, which
 938           would lead to long hash chains and limit performance for
 939           cached reads.  The
 940           <literal>vfs.zfs.arc_average_blocksize</literal> tunable
 941           allows overriding the default block size.  The previous
 942           default was 65536, and default of the new &man.loader.8;
 943           tunable is 8192.</para>
 944
 945         <para revision="270157">The Fast File System
 946           (<acronym>FFS</acronym>) has been updated to support
 947           multi-threaded soft updates.  Previously, soft updates were
 948           handled by a single thread, and as of this change, now have
 949           one thread per <acronym>FFS</acronym> mountpoint.</para>
 950
 951         <para revision="270892" contrib="sponsor" sponsor="&ff;">The
 952           new filesystem automount facility, &man.autofs.5;, has been
 953           merged from &os;-CURRENT.  The new &man.autofs.5; facility
 954           is similar to that found in other &unix;-like operating
 955           systems, such as OS&nbsp;X&trade; and Solaris&trade;.  The
 956           &man.autofs.5; facility uses a &sun;-compatible
 957           &man.auto.master.5; configuration file, and is administered
 958           with the &man.automount.8; userland utility, and the
 959           &man.automountd.8; and &man.autounmountd.8; daemons.</para>
 960       </sect3>
 961     </sect2>
 962
 963     <sect2 xml:id="userland">
 964       <title>Userland Changes</title>
 965
 966       <para revision="260177" contrib="sponsor"
 967         sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
 968         <literal>-b</literal>, which outputs the existing buses and
 969         their parents.</para>
 970
 971       <para revision="262075">The &man.newsyslog.8; utility has been
 972         updated to rotate files based on the actual file size instead
 973         of the blocks on disk.  This matches the behavior documented
 974         in &man.newsyslog.conf.5;.</para>
 975
 976       <para revision="262384">The location of the &man.rctl.8;
 977         configuration file can now be overridden in &man.rc.conf.5;.
 978         To use a non-default location, set
 979         <literal>rctl_rules</literal> in &man.rc.conf.5; to the
 980         location of the file.</para>
 981
 982       <para revision="262855">The <application>ATF</application> test
 983         suite has been updated to version 0.20.  The test suite is
 984         disabled by default in &os;&nbsp;10.1, and can be enabled by
 985         adding <literal>WITH_TESTS=yes</literal> to
 986         &man.src.conf.5;.</para>
 987
 988       <para revision="263019">The <literal>libucl</literal> library
 989         (Unified Configuration Library) has been merged from
 990         &os;-CURRENT.</para>
 991
 992       <para revision="263020">The &man.pkg.7; bootstrapping utility
 993         has been synced with the version in &os;-CURRENT.</para>
 994
 995       <para revision="263403">The &man.zfs.8; userland utility has
 996         been updated to include aliases for
 997         <command>snapshot</command>, which allows use of <command>zfs
 998           list -t snap</command> and <command>zfs
 999           snap</command>.</para>
1000
1001       <para revision="263405">The &man.zfs.8; userland utility has
1002         been updated to include a new flag to <command>zfs
1003           list</command>, <literal>-p</literal>, which when specified,
1004         prints the output in a parsable format.</para>
1005
1006       <para revision="263783">The Blowfish password format
1007         implementation has been updated.  Support for
1008         &dollar;2b&dollar; has been added, allowing use of passwords
1009         greater than 256 characters long.</para>
1010
1011       <para revision="264497">The &man.iconv.3; library has been
1012         updated to match NetBSD, providing several bug fixes.</para>
1013
1014       <para revision="265265">The &man.date.1; utility has been
1015         updated to include a new flag, <literal>-R</literal>, which
1016         prints the date and time output as specified in RFC
1017         2822.</para>
1018
1019       <para revision="265533">The &man.bc.1; utility has been updated
1020         to version 1.1, in sync with the version in OpenBSD.</para>
1021
1022       <para revision="265604" contrib="vendor"
1023         vendor="&netflix;">The &man.pmcstat.8; utility has been
1024         updated to include a new flag, <literal>-a</literal>, which
1025         when specified, produces a full stack track on the sampled
1026         points.</para>
1027
1028       <para revision="265701">The &man.netstat.8; and &man.route.8;
1029         utilities have been updated to include a shorthand equivalent
1030         to the <literal>-f inet</literal> and <literal>-f
1031           inet6</literal> address specifiers, <literal>-4</literal>
1032         and <literal>-6</literal>, respectively.</para>
1033
1034       <para revision="265879">The &man.crypt.3; library now defaults
1035         to SHA512 for password hashing.</para>
1036
1037       <para revision="266014">The &man.gvinum.8; utility has been
1038         updated to allow forceful configuration reset with the
1039         <literal>-f</literal> flag.  Additionally, a bug that would
1040         prevent <literal>-f</literal> from properly creating
1041         a &man.gvinum.8; configuration has been fixed.</para>
1042
1043       <para revision="266029">The &man.login.conf.5; file now takes
1044         precedence over the shell-specific environment files.  In
1045         particular, the <literal>PATH</literal>,
1046         <literal>BLOCKSIZE</literal> variables are commented from
1047         <filename>/usr/share/skel/dot.profile</filename>, and the
1048         <literal>path</literal>, <literal>BLOCKSIZE</literal>, and
1049         <literal>umask</literal> variables have been commented from
1050         <filename>/usr/share/skel/dot.cshrc</filename>.</para>
1051
1052       <para revision="266272">The &man.binmiscctl.8; userland utility
1053         and related image activator features have been merged from
1054         &os;-CURRENT.</para>
1055
1056       <para revision="266279">The &man.ps.1; utility has been
1057         updated to include the <literal>-J</literal> flag, used to
1058         filter output by matching &man.jail.8; IDs and names.
1059         Additionally, argument <literal>0</literal> can be used to
1060         <literal>-J</literal> to only list processes running on the
1061         host system.</para>
1062
1063       <para revision="266280">The &man.top.1; utility has been updated
1064         to filter by &man.jail.8; ID or name, in followup to the
1065         &man.ps.1; change in <literal>r265229</literal>.</para>
1066
1067       <para revision="266610">The &man.gstat.8; utility has been
1068         updated to include a new flag, <literal>-o</literal>.  When
1069         set, &man.gstat.8; will display statistics for operations
1070         such as <literal>BIO_FLUSH</literal>.</para>
1071
1072       <para revision="266632">The &man.fetch.3; library has been
1073         updated to look for root <acronym>SSL</acronym> certificates
1074         in <filename class="directory">/usr/local/etc/ssl/</filename>
1075         before <filename
1076           class="directory">/etc/ssl/</filename>.</para>
1077
1078       <para revision="266715">The &man.clang.1;/llvm suite has been
1079         updated to version 3.4.1.</para>
1080
1081       <para revision="266816">The Blowfish password format
1082         has been changed to &dollar;2b&dollar; by default.</para>
1083
1084       <para revision="266888">The amount of data collected for
1085         &man.hwpmc.4; has been updated to work with modern processors
1086         and larger amounts of available memory.</para>
1087
1088       <para revision="266890">The &man.pmcstat.8; utility has been
1089         updated to include a new flag, <literal>-l</literal>, which
1090         ends event collection after the specified number of
1091         seconds.</para>
1092
1093       <para revision="266953">The &man.mergemaster.8; utility has
1094         been updated to avoid printing
1095         <quote><filename>/var/tmp/temproot</filename>
1096           disappeared</quote> if there is nothing to compare.</para>
1097
1098       <para revision="267056">The &os; installer, &man.bsdinstall.8;,
1099         has been updated to include optional
1100         &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap
1101         devices when installing onto a full &man.zfs.8; filesystem.
1102         Additionally, the parent &man.zfs.8; dataset is now configured
1103         with <literal>lz4</literal> compression enabled.</para>
1104
1105       <para revision="267113">The default &man.newsyslog.conf.5; now
1106         includes files in the
1107         <filename>/etc/newsyslog.conf.d/</filename> and
1108         <filename>/usr/local/etc/newsyslog.conf.d/</filename>
1109         directories by default for &man.newsyslog.8;.</para>
1110
1111       <para revision="267161">The &man.realpath.1; utility has been
1112         updated to return <literal>ENOTDIR</literal> on paths
1113         components <quote>.</quote> and <quote>..</quote> that are
1114         not directories, such as <filename
1115           class="directory">/dev/null/.</filename> or <filename
1116           class="directory">/dev/null/..</filename>.</para>
1117
1118       <para revision="267236">A new flag, <quote>onifconsole</quote>
1119         has been added to <filename>/etc/ttys</filename>.  This allows
1120         the system to provide a login prompt via serial console if the
1121         device is an active kernel console, otherwise it is equivalent
1122         to <literal>off</literal>.</para>
1123
1124       <para revision="267341">Support for legacy
1125         <acronym>PCI</acronym> devices has been removed from
1126         &man.bhyve.8;.</para>
1127
1128       <para revision="267450">The &man.bhyve.8; userland utility
1129         has been updated to include SMBIOS support.  A new flag has
1130         been added, <literal>-U</literal>, which allows specifying the
1131         UUID of the guest in the System Information structure.</para>
1132
1133       <para revision="267734">The &os;&nbsp;Project has migrated
1134         from the <application>GNATS</application> bug tracking system
1135         to <application>Bugzilla</application>.  The &man.send-pr.1;
1136         utility used for submitting problem reports has been replaced
1137         with a stub shell script that instructs to use the Bugzilla
1138         web interface.</para>
1139
1140       <para revision="267747">The &man.patch.1; utility has been
1141         updated to include a <literal>--dry-run</literal> flag, which
1142         is equivalent to <literal>--check</literal> and
1143         <literal>-C</literal>.</para>
1144
1145       <para revision="267878">A bug in &man.bsdgrep.1; that would
1146         prevent patterns from being matched under certain conditions
1147         has been fixed.</para>
1148
1149       <para revision="267979">The &man.procstat.1; utility has been
1150         updated to include two new flags, <literal>-r</literal> and
1151         <literal>-H</literal>.  When <literal>-r</literal> is
1152         specified, &man.procstat.1; will print current resource usage
1153         about the process(es).  When <literal>-H</literal> is
1154         specified, &man.procstat.1; will print information about
1155         threads rather than the process(es).</para>
1156
1157       <note>
1158         <para>The <literal>-H</literal> flag is currently only used
1159           with <literal>-r</literal> to display resource usage for
1160           individual threads, rather than the entire process.</para>
1161       </note>
1162
1163       <para revision="268019">The &man.sed.1; utility has been
1164         updated to include a new flag, <literal>-u</literal>, which
1165         enables unbuffered output when specified.</para>
1166
1167       <para revision="268161">The &man.mkimg.1; utility has been
1168         merged from &os;-CURRENT.</para>
1169
1170       <para revision="268700" contrib="sponsor"
1171         sponsor="&spectralogic;">The &man.camcontrol.8; has been
1172         updated to include a new <literal>persist</literal> command,
1173         which allows issuing <command>SCSI PERSISTENT RESERVE
1174           IN</command> and <command>SCSI PERSISTENT RESERVE
1175           OUT</command>.</para>
1176
1177       <para revision="268791">The &man.gstat.8; utility has been
1178         updated to include a new flag, <literal>-p</literal>, which
1179         displays only physical providers when specified.</para>
1180
1181       <para revision="268903">The &man.kldstat.8; utility has been
1182         updated to allow <literal>-q</literal> to be specified when
1183         also specifying <literal>-n
1184           <replaceable>module.ko</replaceable></literal>.</para>
1185
1186       <para revision="269177">The &man.mkimg.1; utility has been
1187         updated to include support for both fixed- and
1188         dynamically-allocated images for the <acronym>VHD</acronym>
1189         and <acronym>VMDK</acronym> formats.</para>
1190
1191       <para revision="269220">The &man.random.4; entropy collection
1192         script, <filename>/usr/libexec/save-entropy</filename>, no
1193         longer runs within &man.jail.8; environments.</para>
1194
1195       <para revision="269397">The &man.bhyve.8; wrapper script,
1196         <filename>/usr/share/examples/bhyve/vmrun.sh</filename>,
1197         has been synced with &os;-CURRENT.</para>
1198
1199       <para>This update includes:</para>
1200
1201       <itemizedlist>
1202         <listitem>
1203           <para>A new flag, <literal>-e</literal>, has been added,
1204             which is used to set &man.loader.8; environment
1205             variables.</para>
1206         </listitem>
1207
1208         <listitem>
1209           <para>A new flag, <literal>-C</literal>, has been added,
1210             which is used to specify the guest console device.</para>
1211         </listitem>
1212
1213         <listitem>
1214           <para>A new flag, <literal>-H</literal>, has been added,
1215             which is used to pass the host path to
1216             &man.bhyveload.8;.</para>
1217         </listitem>
1218
1219         <listitem>
1220           <para>Support for multiple disk and &man.tap.4; devices
1221             has been added.</para>
1222         </listitem>
1223
1224         <listitem>
1225           <para>The <literal>-I</literal> flag has been
1226             removed.</para>
1227         </listitem>
1228       </itemizedlist>
1229
1230       <para revision="269398">The &man.nfsd.8; server update to 4.1,
1231         adding support for RFC5661, has merged from
1232         &os;-CURRENT.</para>
1233
1234       <para revision="269432" arch="ia64">The serial terminals
1235         <filename>ttyu0</filename> and <filename>ttyu1</filename> have
1236         been updated to <literal>onifconsole</literal> by default in
1237         &man.ttys.5;, which either can be the serial console,
1238         depending on the platform.</para>
1239
1240       <para revision="269800">The &man.ping6.8; utility has been
1241         updated to reset <literal>itimer</literal> when the maximum
1242         number of packets to send have been reached.  This prevents
1243         &man.ping6.8; from exiting when the interval in set to a small
1244         value and a low number of packets to send has been
1245         specified.</para>
1246
1247       <para revision="269805">The &man.jail.8; utility has been
1248         updated to support extra &man.ifconfig.8; arguments for the
1249         <literal>ip4.addr</literal> and <literal>ip6.addr</literal>
1250         parameters.  This change allows &man.carp.4; interfaces to
1251         be used within the &man.jail.8;.</para>
1252
1253       <para revision="269946">Support for generating and compiling
1254         <acronym>USDT</acronym> <application>DTrace</application>
1255         probes has been improved.  <application>DTrace</application>
1256         <acronym>USDT</acronym> files are now handled similar to
1257         &man.lex.1; and &man.yacc.1; files, meaning support for
1258         handling <application>D</application> files as part of the
1259         build process is built into the <literal>SRCS</literal>
1260         &man.make.1; environment variable.</para>
1261
1262       <para revision="269968">The &man.iscsictl.8; utility has been
1263         updated to include a new flag, <literal>-M</literal>, which
1264         allows modifying the <acronym>iSCSI</acronym> session
1265         parameters without requiring the session to be removed and
1266         added back.</para>
1267
1268       <para revision="270043">The &man.mount.nfs.8; utility has been
1269         updated to support specifying the NFS version as
1270         a <literal>key=<replaceable>value</replaceable></literal> pair
1271         argument to the <literal>-o</literal> flag.  For example, to
1272         specify NFS version 4, the syntax to use is
1273         <literal>-o&nbsp;vers=4</literal>.</para>
1274
1275       <para revision="270242" contrib="sponsor"
1276         sponsor="&spectralogic;">The &man.devd.8; client socket type
1277         has been changed to <literal>SOCK_SEQPACKET</literal>,
1278         providing sequential packet support.</para>
1279
1280       <para revision="270401">Support for the <quote>account</quote>
1281         facility has been added to the &man.pam.group.8;
1282         module.</para>
1283
1284       <para revision="270890">The &man.pathchk.1; utility has been
1285         updated to ensure bytes greater than or equal to 128 are
1286         considered non-portable.</para>
1287
1288       <para revision="270997" contrib="vendor" vendor="&freenas;">The
1289         &man.zdb.8; utility is now included in the set of applications
1290         installed in the <filename
1291           class="directory">/rescue</filename> environment, making it
1292         possible to examine &man.zfs.8; filesystems when <filename
1293           class="directory">/usr</filename> is unavailable.</para>
1294
1295       <para>Several <literal>libc</literal> improvements have been
1296         merged from illumos&trade; and &apple;, providing better
1297         internationalization support and &posix; compliance.</para>
1298
1299       <para revision="271967">Support for adding empty partitions has
1300         been added to the &man.mkimg.1; utility.</para>
1301
1302       <para revision="272819">Support for QCOW and QCOW2 disk image
1303         formats has been added to the &man.mkimg.1; utility.</para>
1304
1305       <para revision="273098">The &man.mkimg.1; utility has been
1306         updated to include three options used to print information
1307         about &man.mkimg.1; itself:</para>
1308
1309       <informaltable frame="none" pgwide="0">
1310         <tgroup cols="2">
1311           <colspec colwidth="1*"/>
1312           <colspec colwidth="1*"/>
1313           <thead>
1314             <row>
1315               <entry>Option</entry>
1316               <entry>Output</entry>
1317             </row>
1318           </thead>
1319
1320           <tbody>
1321             <row>
1322               <entry><literal>--version</literal></entry>
1323               <entry>The current version of the &man.mkimg.1;
1324                 utility</entry>
1325             </row>
1326
1327             <row>
1328               <entry><literal>--formats</literal></entry>
1329               <entry>The disk image file formats supported by
1330                 &man.mkimg.1;</entry>
1331             </row>
1332
1333             <row>
1334               <entry><literal>--schemes</literal></entry>
1335               <entry>The partition schemes supported by
1336                 &man.mkimg.1;</entry>
1337             </row>
1338           </tbody>
1339         </tgroup>
1340       </informaltable>
1341
1342       <sect3 xml:id="rc-scripts">
1343         <title><filename>/etc/rc.d</filename> Scripts</title>
1344
1345         <para revision="264438">The <filename>network.subr</filename>
1346           &man.rc.8; script has been updated to loosen the requirement
1347           of listing network aliases in numeric order.  Previously,
1348           a network alias of
1349           <literal>_alias<replaceable>2</replaceable></literal>
1350           would not be created if
1351           <literal>_alias<replaceable>1</replaceable></literal> was
1352           not defined.</para>
1353
1354         <para revision="268098">The &man.service.8; utility has been
1355           updated to check that the &man.rc.d.8; directory exists
1356           before traversing the directory.</para>
1357
1358         <para revision="259141">A regression introduced in
1359           &os;&nbsp;10.0-RELEASE that would prevent proper IPv6
1360           allocation via the &man.jail.8; &man.rc.8; startup script
1361           has been fixed.</para>
1362
1363         <para revision="264438">The &man.rc.8; restriction requiring
1364           &man.mdconfig.8; devices defined in &man.rc.conf.5; to be
1365           listed sequentially has been removed.</para>
1366
1367         <para revision="262566">The &man.sshd.8; &man.rc.d.8; startup
1368           script now generates <literal>ED25519</literal> &man.sshd.8;
1369           host keys if keys do not already exist when
1370           <literal>ssh_keygen_alg()</literal> is invoked.</para>
1371
1372         <para revision="271095">Support for &man.vt.4; keyboard maps
1373           has been added to the <filename>syscons</filename>
1374           &man.rc.d.8; startup script.</para>
1375
1376         <para revision="271260">Support for subdirectories within
1377           <filename
1378             class="directory">/etc/rc.conf.d/<replaceable>service</replaceable>/</filename>
1379           has been added the &man.rc.d.8;.  This allows creating
1380           separate configuration files for services such as
1381           <filename>netif</filename>, for example, where each network
1382           interface can have a separate configuration file.</para>
1383
1384         <para revision="272078">The default &man.rc.conf.5;,
1385           <filename>/etc/defaults/rc.conf</filename>, has been updated
1386           to include <filename
1387             class="directory">/usr/lib32/compat</filename> in the
1388           default <filename>ld-elf32.so.1</filename> search
1389           path.</para>
1390       </sect3>
1391
1392       <sect3 xml:id="periodic-scripts">
1393         <title><filename>/etc/periodic</filename> Scripts</title>
1394
1395         <para revision="272430">The daily &man.periodic.8; script
1396           <filename>110.clean-tmps</filename> has been updated to
1397           avoid crossing filesystem mount boundaries when cleaning
1398           files in <filename class="directory">/tmp</filename>.</para>
1399       </sect3>
1400     </sect2>
1401
1402     <sect2 xml:id="contrib">
1403       <title>Contributed Software</title>
1404
1405       <para revision="263285">The &man.xz.1; utility has been updated
1406         to a post-5.0.5 snapshot.</para>
1407
1408       <para revision="264377"><application>OpenSSH</application> has
1409         been updated to version 6.6p1.</para>
1410
1411       <para revision="264911">The &man.nc.1; utility has been updated
1412         to match the version in OpenBSD 5.5.</para>
1413
1414       <para revision="266692"><application>Sendmail</application>
1415         has been updated to 8.14.9.</para>
1416
1417       <para revision="268515">The &man.file.1; utility and
1418         &man.libmagic.3; library have been updated to 5.19.</para>
1419
1420       <para revision="268899">The &man.byacc.1; parser has been
1421         updated to version 20140422.</para>
1422
1423       <para revision="269024" contrib="sponsor"
1424         sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
1425         been updated to the r202189 snapshot.</para>
1426
1427       <para revision="269257">The &man.unbound.8; caching resolver and
1428         <literal>ldns</literal> have been updated to version
1429         1.4.22.</para>
1430
1431       <para revision="269686"><application>OpenSSL</application> has
1432         been updated to version 1.0.1i.</para>
1433
1434       <para revision="269847">The <quote>lite</quote> version of
1435         <application>Subversion</application> included in the
1436         &os;&nbsp;base system and its dependencies have been
1437         updated:</para>
1438
1439       <itemizedlist>
1440         <listitem>
1441           <para><application>apr</application> has been
1442             updated to version 1.5.1.</para>
1443         </listitem>
1444
1445         <listitem>
1446           <para><application>apr-util</application> has been
1447             updated to version 1.5.3.</para>
1448         </listitem>
1449
1450         <listitem>
1451           <para><application>serf</application> has been
1452             updated to version 1.3.7.</para>
1453         </listitem>
1454
1455         <listitem>
1456           <para><application>svnlite</application> has been
1457             updated to version 1.8.10.</para>
1458         </listitem>
1459       </itemizedlist>
1460
1461       <para revision="270026">The &man.nvi.1; editor has been
1462         update to version 2.1.2-c80f493b038.</para>
1463
1464       <para revision="270031">The &man.fparseln.3; library has
1465         been updated to version 1.7.</para>
1466
1467       <para revision="270415">The <application>lukemftpd</application>
1468         <acronym>FTP</acronym> server has been removed from the
1469         &os;&nbsp;base system.</para>
1470
1471       <para revision="270817">The timezone database has been updated
1472         to version tzdata2014f.</para>
1473
1474       <para revision="271947"><application>OpenPAM</application> has
1475         been updated to Ourouparia (20140912).</para>
1476     </sect2>
1477
1478     <sect2 xml:id="ports">
1479       <title>Ports/Packages Collection Infrastructure</title>
1480
1481       <para>&nbsp;</para>
1482
1483     </sect2>
1484
1485     <sect2 xml:id="releng">
1486       <title>Release Engineering and Integration</title>
1487
1488       <para revision="263028">The &man.services.mkdb.8; utility has
1489         been updated to include endianness awareness, allowing the
1490         <filename>services.db</filename> database to be created as
1491         part of the release build, regardless of native- or
1492         cross-built releases.</para>
1493
1494       <para revision="271470" contrib="sponsor" sponsor="&ff;">The
1495         <filename class="directory">release/</filename> scripts have
1496         been updated to produce <acronym>UEFI</acronym>-capable and
1497         <acronym>BIOS</acronym>-capable CD-ROM ISOs as well as memory
1498         stick images for the &os;/&arch.amd64; architecture.</para>
1499
1500       <para revision="271943" contrib="sponsor" sponsor="&ff;">The
1501         <filename>release/scripts/pkg-stage.sh</filename> script has
1502         been updated to include a symlink to the on-disc version of
1503         &man.pkg.8; in the <filename
1504           class="directory">packages/</filename> structure on the
1505         DVD installer.  This allows the &man.pkg.7; bootstrap utility
1506         to properly locate the <filename>Latest/pkg.txz</filename>
1507         package on the DVD when <literal>REPOS_DIR</literal> is set to
1508         <filename class="directory">/dist/packages/repos</filename>,
1509         eliminating the need for a network connection or explicitly
1510         providing the path to the version included on the DVD
1511         installation medium.</para>
1512
1513       <para revision="273101" contrib="sponsor" sponsor="&ff;">The
1514         &os;&nbsp;Release Engineering build tools have been updated to
1515         provide support for building virtual machine disk images as
1516         part of the release build process using &man.mkimg.1;.  The
1517         disk image formats currently supported include QCOW2, VHD,
1518         VMDK, and raw formats.  See &man.release.7; for additional
1519         information.</para>
1520
1521       <para revision="273199" contrib="sponsor" sponsor="&ff;">The
1522         &os;&nbsp;Release Engineering build tools have been updated to
1523         provide support for building &os; virtual machine disk images
1524         for the &microsoft;&nbsp;Azure cloud hosting platform.  This
1525         functionality is not connected directly to the default
1526         <literal>release</literal> &man.make.1; target, however can be
1527         invoked by specifying the <literal>vm-azure</literal> target
1528         directly.</para>
1529     </sect2>
1530   </sect1>
1531
1532   <sect1 xml:id="upgrade">
1533     <title>Upgrading from Previous Releases of &os;</title>
1534
1535     <para arch="amd64,i386">Binary upgrades between RELEASE versions
1536       (and snapshots of the various security branches) are supported
1537       using the &man.freebsd-update.8; utility.  The binary upgrade
1538       procedure will update unmodified userland utilities, as well as
1539       unmodified <filename>GENERIC</filename> kernel distributed as
1540       a part of an official &os; release.  The &man.freebsd-update.8;
1541       utility requires that the host being upgraded have Internet
1542       connectivity.</para>
1543
1544     <para>Source-based upgrades (those based on recompiling the &os;
1545       base system from source code) from previous versions are
1546       supported, according to the instructions in
1547       <filename>/usr/src/UPDATING</filename>.</para>
1548
1549     <important>
1550       <para>Upgrading &os; should only be attempted after
1551         backing up <emphasis>all</emphasis> data and configuration
1552         files.</para>
1553     </important>
1554   </sect1>
1555 </article>