article.xml revision 271036
1<?xml version="1.0" encoding="iso-8859-1"?> 2<!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN" 3 "../../../share/xml/freebsd50.dtd" [ 4<!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent"> 5 %release; 6<!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent"> 7 %sponsor; 8<!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent"> 9 %vendor; 10]> 11<article xmlns="http://docbook.org/ns/docbook" 12 xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"> 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: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 271036 2014-09-03 16:46:35Z gjb $</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> </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; 970 class processors.</para> 146 147 <para revision="263197">Support for ADT7460 and ADT7467 fan 148 controllers found in newer PowerBooks™ and 149 iBooks™ 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; 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™ 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; 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™ 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; virtual memory subsystem 194 has been updated to implement <quote>fast path</quote> for 195 the page fault handler.</para> 196 197 <sect3 xml:id="kernel-virtualization"> 198 <title>Virtualization Support</title> 199 200 <para revision="259450">Support for µsoft; Hyper-V 201 has been added to &os;/i386 as loadable modules, however 202 not available in the <filename>GENERIC</filename> kernel 203 configuration.</para> 204 205 <para revision="261090">The &man.bhyve.4; hypervisor now 206 supports soft power-off functionality via the ACPI S5 207 state.</para> 208 209 <para revision="267399">Support for &os;/i386 guests has been 210 added to &man.bhyve.4;.</para> 211 212 <para revision="267427">Support for virtualized 213 <literal>XSAVE</literal> has been added to &man.bhyve.4;, 214 allowing guest operating systems to use 215 <literal>XSAVE</literal> and 216 <literal>XSAVE</literal>-enabled features, such as 217 <acronym>AVX</acronym>.</para> 218 219 <para revision="268932">The &man.bhyve.4; hypervisor now 220 supports booting from a &man.zfs.8; filesystem.</para> 221 222 <para revision="268933">A new driver, &man.virtio_random.4;, 223 has been added, which allows &os; virtual machines to 224 harvest entropy from the hypervisor.</para> 225 226 <para revision="270159">The &man.bhyve.4; hypervisor has been 227 synced with the version in &os;-CURRENT.</para> 228 229 <para>A number of enhancements have been added, and several 230 bug fixes, including:</para> 231 232 <itemizedlist> 233 <listitem> 234 <para>Post-mortem debugging has been added when 235 a guest virtual machine exits with an 236 <quote><acronym>EPT</acronym> Misconfiguration</quote> 237 error.</para> 238 </listitem> 239 240 <listitem> 241 <para>The hypervisor &man.virtio.4; <acronym>API</acronym> 242 has been expanded from 32- to 64-bit.</para> 243 </listitem> 244 245 <listitem> 246 <para>Support for identifying capabilities of the virtual 247 <acronym>CPU</acronym> has been added.</para> 248 </listitem> 249 250 <listitem> 251 <para>Support for emulating legacy x86 task 252 switching has been added.</para> 253 </listitem> 254 255 <listitem> 256 <para>Support to list the VT-x features in base kernel 257 &man.dmesg.8; has been added.</para> 258 </listitem> 259 260 <listitem> 261 <para>Support for extended PCI configuration space 262 has been added.</para> 263 </listitem> 264 </itemizedlist> 265 </sect3> 266 267 <sect3 xml:id="kernel-arm"> 268 <title>ARM Support</title> 269 270 <para revision="259355">The <filename>WANDBOARD</filename> 271 kernel configuration file has been added.</para> 272 273 <para revision="265067">Boot devices may now be specified by 274 setting a u-boot environment variable. If a boot device is 275 not specified, the probe mechanism will be used. To specify 276 the boot device, set the 277 <literal>loaderdev=<replaceable>device</replaceable></literal> 278 u-boot environment variable.</para> 279 280 <para revision="266000">The <literal>nexus(4)</literal> driver 281 has been updated to include <quote>Flattened Device 282 Tree</quote> support, replacing the &man.fdtbus.4; driver 283 in most cases.</para> 284 285 <para revision="266105">The &man.gpioiic.4; and 286 &man.gpioled.4; have been merged from &os;-CURRENT.</para> 287 288 <para>Support for hardware floating point was added to the 289 kernel, and enabled by default in the configuration files 290 for all platforms that contain the required hardware.</para> 291 292 <para><application>C++</application> exception handling now 293 works with <application>GCC</application>.</para> 294 295 <para>Support for <acronym>SMP</acronym> was added to the 296 kernel, and enabled by default in the configuration files 297 for all platforms that contain multi-core CPUs.</para> 298 299 <para>Support was added for:</para> 300 301 <itemizedlist> 302 <listitem> 303 <para>CHROMEBOOK (Samsung Exynos 5250)</para> 304 </listitem> 305 306 <listitem> 307 <para>COLIBRI (Freescale Vybrid)</para> 308 </listitem> 309 310 <listitem> 311 <para>COSMIC (Freescale Vybrid)</para> 312 </listitem> 313 314 <listitem> 315 <para>IMX53-QSB (Freescale i.MX53)</para> 316 </listitem> 317 318 <listitem> 319 <para>QUARTZ (Freescale Vybrid)</para> 320 </listitem> 321 322 <listitem> 323 <para>RADXA (Rockchip rk30xx)</para> 324 </listitem> 325 326 <listitem> 327 <para>WANDBOARD (Freescale i.MX6)</para> 328 </listitem> 329 </itemizedlist> 330 331 <para>An <acronym>I2C</acronym> driver was added for 332 the RaspberryPi.</para> 333 334 <para>Drivers have been added to support <acronym>TI</acronym> 335 platforms, such as BEAGLEBONE and PANDABOARD:</para> 336 337 <itemizedlist> 338 <listitem> 339 <para>PRUSS (Programmable Realtime Unit Subsystem)</para> 340 </listitem> 341 342 <listitem> 343 <para>MBOX (Mailbox hardware)</para> 344 </listitem> 345 346 <listitem> 347 <para>SDHCI (new faster driver for 348 <acronym>MMC</acronym>/<acronym>SD</acronym> 349 storage)</para> 350 </listitem> 351 352 <listitem> 353 <para>PPS (Pulse Per Second input on a 354 <acronym>GPIO</acronym>/timer pin)</para> 355 </listitem> 356 357 <listitem> 358 <para>PWM (Pulse Width Modulation output)</para> 359 </listitem> 360 361 <listitem> 362 <para>ADC (Analog to Digital converter)</para> 363 </listitem> 364 </itemizedlist> 365 </sect3> 366 367 <sect3 xml:id="boot"> 368 <title>Boot Loader Changes</title> 369 370 <para revision="262701">A kernel selection menu has been added 371 to &man.loader.8;. If the <quote>beastie menu</quote> is 372 enabled, the kernel to boot may be selected from the kernel 373 selection menu. Additional kernels may be listed in 374 &man.loader.conf.5; as a comma- or space-separated list. By 375 default, <literal>kernel</literal> and 376 <literal>kernel.old</literal> are listed.</para> 377 </sect3> 378 379 <sect3 xml:id="proc"> 380 <title>Hardware Support</title> 381 382 <para> </para> 383 384 <sect4 xml:id="mm"> 385 <title>Multimedia Support</title> 386 387 <para> </para> 388 389 </sect4> 390 391 <sect4 xml:id="net-if"> 392 <title>Network Interface Support</title> 393 394 <para revision="259453">Support for Ralink RT5370 and 395 RT5372 chipsets has been added to the &man.run.4; 396 driver.</para> 397 398 <para revision="260120">Firmware for the &man.run.4; driver 399 has been updated to version 0.33.</para> 400 401 <para revision="261868">Support for the Ralink RT3593 402 chipset has been added to the &man.run.4; driver.</para> 403 404 <para revision="261972">The &man.nve.4; driver is now 405 deprecated, and the &man.nfe.4; driver should be used 406 instead.</para> 407 408 <para revision="262137">Support for the &man.axge.4; driver 409 has been added. This driver supports the ASIX AX88178A 410 and AX88179 USB ethernet adapters. The AX88178A supports 411 USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para> 412 413 <para revision="262363">The &man.urndis.4; driver has been 414 imported from OpenBSD.</para> 415 416 <para revision="264866">Support for multiple 417 transmitter/receiver queues has been added to the 418 &man.vmx.4; driver.</para> 419 420 <note> 421 <para>The &os; guest operating system must have 422 <acronym>MSIX</acronym> enabled as a prerequisite for 423 multiple queues.</para> 424 </note> 425 426 <para revision="265345">Support for the ASUS USB-N10 Nano 427 wireless card has been added to the &man.urtwn.4; 428 driver.</para> 429 430 <para revision="266212">Transmission checksum offloading has 431 been disabled for the RTL8168C and RTL8168CP chipsets in 432 the &man.re.4; driver for TCP and UDP frames. This is 433 due to a report of UDP datagrams with IP options 434 generating corrupt frames.</para> 435 436 <para revision="266578">Preliminary support has been added 437 to the &man.urtwn.4; driver for the Realtek RTL8188EUS and 438 RTL8188ETV chipsets.</para> 439 440 <para revision="267694">A bug in the fast receiver buffer 441 recycle path has been fixed in the &man.cxgbe.4; 442 driver.</para> 443 444 <para revision="267849" contrib="vendor" 445 vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for 446 T4 and T5 cards has been updated to version 447 1.11.27.0.</para> 448 449 <para revision="269196">The &man.em.4; driver has been 450 updated to version 7.4.2.</para> 451 452 <para revision="269975">The &man.ixgbe.4; tunables have been 453 renamed to match their &man.sysctl.8; counterparts:</para> 454 455 <informaltable frame="none" pgwide="0"> 456 <tgroup cols="2"> 457 <colspec colwidth="1*"/> 458 <colspec colwidth="1*"/> 459 <thead> 460 <row> 461 <entry>Old Name</entry> 462 <entry>New Name</entry> 463 </row> 464 </thead> 465 466 <tbody> 467 <row> 468 <entry><literal>hw.ixgbe.enable_aim</literal></entry> 469 <entry><literal>hw.ix.enable_aim</literal></entry> 470 </row> 471 472 <row> 473 <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry> 474 <entry><literal>hw.ix.max_interrupt_rate</literal></entry> 475 </row> 476 477 <row> 478 <entry><literal>hw.ixgbe.rx_process_limit</literal></entry> 479 <entry><literal>hw.ix.rx_process_limit</literal></entry> 480 </row> 481 482 <row> 483 <entry><literal>hw.ixgbe.tx_process_limit</literal></entry> 484 <entry><literal>hw.ix.tx_process_limit</literal></entry> 485 </row> 486 487 <row> 488 <entry><literal>hw.ixgbe.enable_msix</literal></entry> 489 <entry><literal>hw.ix.enable_msix</literal></entry> 490 </row> 491 492 <row> 493 <entry><literal>hw.ixgbe.num_queues</literal></entry> 494 <entry><literal>hw.ix.num_queues</literal></entry> 495 </row> 496 497 <row> 498 <entry><literal>hw.ixgbe.txd</literal></entry> 499 <entry><literal>hw.ix.txd</literal></entry> 500 </row> 501 502 <row> 503 <entry><literal>hw.ixgbe.rxd</literal></entry> 504 <entry><literal>hw.ix.rxd</literal></entry> 505 </row> 506 507 <row> 508 <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry> 509 <entry><literal>hw.ix.unsupported_sfp</literal></entry> 510 </row> 511 </tbody> 512 </tgroup> 513 </informaltable> 514 515 <para>Be sure to update &man.loader.conf.5; if using the 516 old tunables before upgrading to 517 &os; &release.current;.</para> 518 519 <para revision="270061">The &man.if.nf10bmac.4; driver has 520 been merged from &os;-CURRENT to support the NetFPGA-10G 521 Embedded CPU Ethernet Core.</para> 522 523 <para revision="270297">The &man.cxgbe.4; driver has been 524 updated to support &man.netmap.4; for the T5 10G/40G 525 cards.</para> 526 527 <para revision="270509">The &man.vtnet.4; driver has been 528 updated to support &man.netmap.4;.</para> 529 530 <para revision="270514">The &man.urtwn.4; driver has been 531 updated to support the ASUS USB-AC51 wireless card.</para> 532 533 <para revision="270631">The &intel; XL710 ethernet 534 controller driver, <literal>ixlv(4)</literal>, has been 535 merged from &os;-CURRENT.</para> 536 </sect4> 537 </sect3> 538 539 <sect3 xml:id="net-proto"> 540 <title>Network Protocols</title> 541 542 <para revision="265946">Support for the UDP-Lite protocol 543 (RFC 3828) has been added to the IPv4 and IPv6 544 stacks.</para> 545 546 <para revision="267771">A bug in &man.sctp.4; that would allow 547 two listening sockets bound to the same port has been 548 fixed.</para> 549 550 <para contrib="sponsor" sponsor="&ix;">Kernel RPC code, which 551 is a base of NFS server took multiple optimizations, that 552 significantly improved its performance and 553 <acronym>SMP</acronym> scapability.</para> 554 555 <para revision="269065" contrib="sponsor" sponsor="&ff;">The 556 <acronym>iSCSI</acronym> initiator has been updated to 557 support redirection handling when an 558 <acronym>iSCSI</acronym> device is configured with multiple 559 <acronym>IP</acronym> addresses across different network 560 interfaces. Previously, clients connecting to 561 such <acronym>iSCSI</acronym> devices could require 562 additional client-side configuration.</para> 563 564 <para revision="265523" contrib="sponsor" sponsor="&ff;">A new 565 &man.sysctl.8;, 566 <literal>kern.iscsi.fail_on_disconnection</literal>, has 567 been added, which allows <acronym>iSCSI</acronym> clients to 568 remove the attached disk device when the connection to the 569 target is dropped, where previously I/O would stop until the 570 connection is restored.</para> 571 572 <para revision="265524" contrib="sponsor" sponsor="&ff;">The 573 <acronym>iSCSI</acronym> transmit code has been optimized 574 to coalesce <acronym>PDUs</acronym> and avoid lock 575 contention.</para> 576 577 <para revision="265524" contrib="sponsor" 578 sponsor="&ix;">Several performance optimizations have been 579 made to the <acronym>iSCSI</acronym> subsystem, including 580 deferring wakeup until enough data has been received to 581 read or write a file, reducing <acronym>CPU</acronym> usage 582 and throughput performance with large I/O workloads.</para> 583 </sect3> 584 585 <sect3 xml:id="disks"> 586 <title>Disks and Storage</title> 587 588 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 589 &man.geom.4; subsystem has been updated to support I/O 590 direct dispatch. When safety requirements are met, it 591 allows to avoid passing I/O requests to GEOM 592 <literal>g_up</literal>/<literal>g_down</literal> thread, 593 executing them directly in the caller context. That allows 594 to avoid CPU bottlenecks in 595 <literal>g_up</literal>/<literal>g_down</literal> threads, 596 plus avoid several context switches per I/O.</para> 597 598 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 599 &man.geom.4; RAID driver has been 600 updated to support unmapped I/O.</para> 601 602 <para revision="260387" contrib="sponsor" sponsor="&ix;">The 603 &man.cam.4; subsystem has been updated to support 604 finer-grained locking, direct dispatch and multi-queue. 605 Combined with &man.geom.4; direct dispatch that allows to 606 reduce lock congestion and improve <acronym>SMP</acronym> 607 scalability of the SCSI/ATA stack.</para> 608 609 <para revision="260478">The &man.geom.8; 610 <literal>GEOM_MULTIPATH</literal> class has been updated to 611 support automatic live partition resizing.</para> 612 613 <para revision="260857">The &man.virtio_blk.4; driver has been 614 updated to support unmapped I/O.</para> 615 616 <para revision="260858">The &man.virtio_scsi.4; driver has 617 been updated to support unmapped I/O.</para> 618 619 <para revision="264522">Support for LUN-based CD changers has 620 been removed from the &man.cd.4; driver.</para> 621 622 <para revision="264732">Support for 623 <literal>BIO_DELETE</literal> has been added to &man.zfs.8; 624 <literal>zvol</literal> volumes.</para> 625 626 <para revision="264734">Support for 9th generation HP host bus 627 adapter cards has been added to &man.ciss.4;.</para> 628 629 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The 630 &man.mpr.4; device has been added, 631 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA 632 controllers.</para> 633 634 <para revision="265678">A new <literal>zvol</literal> property 635 <literal>volmode</literal> and &man.sysctl.8; 636 <literal>vfs.zfs.vol.mode</literal> has been added to allow 637 switching <literal>zvol</literal> between three different 638 ways of exposing it to a user: <literal>geom</literal>, 639 <literal>dev</literal> and <literal>none</literal>.</para> 640 641 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The 642 &man.mrsas.4; driver has been added, providing support for 643 LSI MegaRAID SAS controllers. The &man.mfi.4; driver will 644 attach to the controller, by default. To enable 645 &man.mrsas.4; add <literal>hw.mfi.mrsas_enable=1</literal> 646 to <filename>/boot/loader.conf</filename>, which turns off 647 &man.mfi.4; device probing.</para> 648 649 <note> 650 <para>At this time, the &man.mfiutil.8; utility and the &os; 651 version of <application>MegaCLI</application> and 652 <application>StorCli</application> do not work with 653 &man.mrsas.4;.</para> 654 </note> 655 656 <para revision="266608">Fixed accounting of 657 <literal>BIO_FLUSH</literal> operation in &man.geom.8; 658 <literal>GEOM_DISK</literal> class</para> 659 660 <para revision="266610">The &man.gstat.8; utility now has an 661 <literal>-o</literal> option, to display 662 <quote>other</quote> operations, such as 663 <literal>BIO_FLUSH</literal>.</para> 664 665 <para revision="267084">The &man.mfi.4; driver has been 666 updated to include support for unmapped I/O.</para> 667 668 <para revision="267457">The &man.hpt27xx.4; driver has been 669 updated with various vendor-supplied bug fixes.</para> 670 671 <para revision="270130" contrib="sponsor" 672 sponsor="&citrix.rd;">Support for unmapped I/O has been 673 added to the &man.xen.4; <literal>blkfront</literal> 674 driver.</para> 675 676 <para revision="259328" contrib="sponsor" sponsor="&ff;">The 677 &man.geom.8; <literal>label</literal> class is now aware of 678 resized partitions. This corrects an issue where 679 <command>geom resize</command> would resize the partition, 680 but the label provider in <filename 681 class="directory">/dev/gptid/</filename> would not be 682 resized.</para> 683 684 <para revision="260502">The &man.gmirror.8; 685 utility now has a <literal>resize</literal> command, making 686 it easier to resize the size of a mirror when all of its 687 components have been replaced.</para> 688 689 <para revision="262967">Support for MegaRAID Fury cards has 690 been added to the &man.mfi.4; driver.</para> 691 692 <para revision="263024">The &man.aacraid.4; driver has been 693 updated to version 3.2.5.</para> 694 695 <para revision="265536">The <literal>GEOM_VINUM</literal> 696 option is now able to be built both directly into the kernel 697 or as a &man.kldload.8; loadable module.</para> 698 699 <para revision="265912">The &man.geom.8; 700 <literal>GEOM_PART</literal> class has been updated to 701 support automatic partition resizing. Changes to the 702 partition size are not saved to disk until 703 <command>gpart commit</command> is run, and prior to saving, 704 can be reverted with <command>gpart undo</command>.</para> 705 706 <para revision="266220">The &man.geom.uncompress.4; module is 707 built by default which, similar to &man.geom.uzip.4;, 708 provides support for compressed, read-only disk 709 images.</para> 710 711 <para revision="268091">Support for the 712 <literal>disklabel64</literal> partitioning scheme has been 713 added to &man.gpart.8;.</para> 714 715 <para revision="270552">A new &man.sysctl.8; and 716 &man.loader.8; tunable, 717 <literal>kern.geom.part.mbr.enforce_chs</literal> has been 718 added to the &man.geom.8; <literal>MBR</literal> partition 719 class. When set to a non-zero value, 720 <literal>GEOM_PART_MBR</literal> will automatically 721 recalculate the user-specified offset and size for alignment 722 with the disk geometry.</para> 723 724 <para contrib="sponsor" sponsor="&ix;">Many improvements to 725 the CAM Target Layer (CTL):</para> 726 <itemizedlist> 727 <listitem> 728 <para>Support for <literal>UNMAP</literal>, <literal>WRITE 729 SAME</literal>, <literal>COMPARE AND WRITE</literal>, 730 <literal>XCOPY</literal> and some other SCSI commands 731 was added to support VMWare VAAI and Microsoft ODX 732 storage acceleration.</para> 733 </listitem> 734 <listitem> 735 <para revision="265642">The 736 <literal>READ</literal>/<literal>WRITE</literal> size 737 limitations were removed by supporting multiple 738 data moves per command.</para> 739 </listitem> 740 <listitem> 741 <para revision="268556">Finer-grained per-LUN locking and 742 multiple worker threads for better 743 <acronym>SMP</acronym> scapability.</para> 744 </listitem> 745 <listitem> 746 <para revision="269297">Memory consumption reduced by 747 several times by disabling some never used 748 functionality.</para> 749 </listitem> 750 <listitem> 751 <para revision="269298">The maximum number of 752 <acronym>SCSI</acronym> ports increased from 32 to 753 128</para> 754 </listitem> 755 <listitem> 756 <para revision="269429">Improved <literal>zvol</literal> 757 integration for better performance.</para> 758 </listitem> 759 </itemizedlist> 760 </sect3> 761 762 <sect3 xml:id="fs"> 763 <title>File Systems</title> 764 765 <para revision="260338">The 766 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has 767 been re-enabled. On multi-CPU machines with enough RAM, 768 this can easily double &man.zfs.8; performance or reduce CPU 769 usage in half. It was originally disabled due to memory and 770 <acronym>KVA</acronym> exhaustion problem reports, which 771 should be resolved due to several change in the VM 772 subsystem.</para> 773 774 <para revision="260178" contrib="vendor" 775 vendor="&netflix;">A new flag, <literal>-R</literal>, 776 has been added to the &man.fsck.ffs.8; utility. When used, 777 &man.fsck.ffs.8; will restart itself when too many critical 778 errors have been detected.</para> 779 780 <para revision="263407">The &man.zfs.8; filesystem has been 781 updated to implement <quote>bookmarks</quote>. See 782 &man.zfs.8; for further details.</para> 783 784 <para revision="266122">The &man.zfs.8; filesystem has been 785 updated to allow tuning the minimum <quote>ashift</quote> 786 value when creating new top-level virtual devices (vdevs). 787 To set the minimum ashift value, for example when creating 788 a &man.zpool.8; on <quote>Advanced Format</quote> drives, 789 set the <literal>vfs.zfs.min_auto_ashift</literal> 790 &man.sysctl.8; accordingly.</para> 791 792 <para revision="266612">The <literal>libzfs</literal> thread 793 pool <acronym>API</acronym> has been imported from 794 OpenSolaris, and adapted for &os;. This change allows 795 parallel disk scanning, which can reduce &man.zpool.8; 796 overall import time in some workloads.</para> 797 798 <para revision="269651">The &man.restore.8; utility has been 799 updated to prevent assertion failures when restoring 800 a <acronym>UFS</acronym> filesystem dump to 801 a <acronym>ZFS</acronym> filesystem by writing restored 802 files in block sizes that are a multiple of 1024.</para> 803 804 <para revision="269774">Two &man.sysctl.8;s have been added 805 to the &man.zfs.8; filesystem:</para> 806 807 <itemizedlist> 808 <listitem> 809 <para> 810 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The 811 percentage of the metaslab group size that should be 812 considered eligible for allocation, unless all metaslab 813 groups within the metaslab class have also crossed this 814 threshold.</para> 815 </listitem> 816 817 <listitem> 818 <para> 819 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The 820 maximum percentage of metaslab fragmentation level to 821 keep their active state</para> 822 </listitem> 823 </itemizedlist> 824 825 <para revision="269846">The default &man.zfs.8; 826 <acronym>ARC</acronym> hash table size has been increased, 827 and a new &man.loader.8; tunable, 828 <literal>vfs.zfs.arc_average_blocksize</literal>, has been 829 added. Previously, the hash table could be too small, which 830 would lead to long hash chains and limit performance for 831 cached reads. The 832 <literal>vfs.zfs.arc_average_blocksize</literal> tunable 833 allows overriding the default block size. The previous 834 default was 65536, and default of the new &man.loader.8; 835 tunable is 8192.</para> 836 837 <para revision="270157">The Fast File System 838 (<acronym>FFS</acronym>) has been updated to support 839 multi-threaded soft updates. Previously, soft updates were 840 handled by a single thread, and as of this change, now have 841 one thread per <acronym>FFS</acronym> mountpoint.</para> 842 </sect3> 843 </sect2> 844 845 <sect2 xml:id="userland"> 846 <title>Userland Changes</title> 847 848 <para revision="260177" contrib="sponsor" 849 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;, 850 <literal>-b</literal>, which outputs the existing buses and 851 their parents.</para> 852 853 <para revision="262075">The &man.newsyslog.8; utility has been 854 updated to rotate files based on the actual file size instead 855 of the blocks on disk. This matches the behavior documented 856 in &man.newsyslog.conf.5;.</para> 857 858 <para revision="262384">The location of the &man.rctl.8; 859 configuration file can now be overridden in &man.rc.conf.5;. 860 To use a non-default location, set 861 <literal>rctl_rules</literal> in &man.rc.conf.5; to the 862 location of the file.</para> 863 864 <para revision="262855">The <application>ATF</application> test 865 suite has been updated to version 0.20. The test suite is 866 disabled by default in &os; 10.1, and can be enabled by 867 adding <literal>WITH_TESTS=yes</literal> to 868 &man.src.conf.5;.</para> 869 870 <para revision="263019">The <literal>libucl</literal> library 871 (Unified Configuration Library) has been merged from 872 &os;-CURRENT.</para> 873 874 <para revision="263020">The &man.pkg.7; bootstrapping utility 875 has been synced with the version in &os;-CURRENT.</para> 876 877 <para revision="263403">The &man.zfs.8; userland utility has 878 been updated to include aliases for 879 <command>snapshot</command>, which allows use of <command>zfs 880 list -t snap</command> and <command>zfs 881 snap</command>.</para> 882 883 <para revision="263405">The &man.zfs.8; userland utility has 884 been updated to include a new flag to <command>zfs 885 list</command>, <literal>-p</literal>, which when specified, 886 prints the output in a parsable format.</para> 887 888 <para revision="263783">The Blowfish password format 889 implementation updated. Support for $2b$ has 890 been added, allowing use of passwords greater than 256 891 characters long.</para> 892 893 <para revision="264497">The &man.iconv.3; library has been 894 updated to match NetBSD, providing several bug fixes.</para> 895 896 <para revision="265265">The &man.date.1; utility has been 897 updated to include a new flag, <literal>-R</literal>, which 898 prints the date and time output as specified in RFC 899 2822.</para> 900 901 <para revision="265533">The &man.bc.1; utility has been updated 902 to version 1.1, in sync with the version in OpenBSD.</para> 903 904 <para revision="265604" contrib="vendor" 905 vendor="&netflix;">The &man.pmcstat.8; utility has been 906 updated to include a new flag, <literal>-a</literal>, which 907 when specified, produces a full stack track on the sampled 908 points.</para> 909 910 <para revision="265701">The &man.netstat.8; and &man.route.8; 911 utilities have been updated to include a shorthand equivalent 912 to the <literal>-f inet</literal> and <literal>-f 913 inet6</literal> address specifiers, <literal>-4</literal> 914 and <literal>-6</literal>, respectively.</para> 915 916 <para revision="265879">The &man.crypt.3; library now defaults 917 to SHA512 for password hashing.</para> 918 919 <para revision="266014">The &man.gvinum.8; utility has been 920 updated to allow forceful configuration reset with the 921 <literal>-f</literal> flag. Additionally, a bug that would 922 prevent <literal>-f</literal> from properly creating 923 a &man.gvinum.8; configuration has been fixed.</para> 924 925 <para revision="266029">The &man.login.conf.5; file now takes 926 precedence over the shell-specific environment files. In 927 particular, the <literal>PATH</literal>, 928 <literal>BLOCKSIZE</literal> variables are commented from 929 <filename>/usr/share/skel/dot.profile</filename>, and the 930 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and 931 <literal>umask</literal> variables have been commented from 932 <filename>/usr/share/skel/dot.cshrc</filename>.</para> 933 934 <para revision="266272">The &man.binmiscctl.8; userland utility 935 and related image activator features have been merged from 936 &os;-CURRENT.</para> 937 938 <para revision="266279">The &man.ps.1; utility has been 939 updated to include the <literal>-J</literal> flag, used to 940 filter output by matching &man.jail.8; IDs and names. 941 Additionally, argument <literal>0</literal> can be used to 942 <literal>-J</literal> to only list processes running on the 943 host system.</para> 944 945 <para revision="266280">The &man.top.1; utility has been updated 946 to filter by &man.jail.8; ID or name, in followup to the 947 &man.ps.1; change in <literal>r265229</literal>.</para> 948 949 <para revision="266610">The &man.gstat.8; utility has been 950 updated to include a new flag, <literal>-o</literal>. When 951 set, &man.gstat.8; will display statistics for operations 952 such as <literal>BIO_FLUSH</literal>.</para> 953 954 <para revision="266632">The &man.fetch.3; library has been 955 updated to look for root <acronym>SSL</acronym> certificates 956 in <filename class="directory">/usr/local/etc/ssl/</filename> 957 before <filename 958 class="directory">/etc/ssl/</filename>.</para> 959 960 <para revision="266715">The &man.clang.1;/llvm suite has been 961 updated to version 3.4.1.</para> 962 963 <para revision="266816">The Blowfish password format 964 has been changed to $2b$ by default.</para> 965 966 <para revision="266888">The amount of data collected for 967 &man.hwpmc.4; has been updated to work with modern processors 968 and larger amounts of available memory.</para> 969 970 <para revision="266890">The &man.pmcstat.8; utility has been 971 updated to include a new flag, <literal>-l</literal>, which 972 ends event collection after the specified number of 973 seconds.</para> 974 975 <para revision="266953">The &man.mergemaster.8; utility has 976 been updated to avoid printing 977 <quote><filename>/var/tmp/temproot</filename> 978 disappeared</quote> if there is nothing to compare.</para> 979 980 <para revision="267056">The &os; installer, &man.bsdinstall.8;, 981 has been updated to include optional 982 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap 983 devices when installing onto a full &man.zfs.8; filesystem. 984 Additionally, the parent &man.zfs.8; dataset is now configured 985 with <literal>lz4</literal> compression enabled.</para> 986 987 <para revision="267113">The default &man.newsyslog.conf.5; now 988 includes files in the 989 <filename>/etc/newsyslog.conf.d/</filename> and 990 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 991 directories by default for &man.newsyslog.8;.</para> 992 993 <para revision="267161">The &man.realpath.1; utility has been 994 updated to return <literal>ENOTDIR</literal> on paths 995 components <quote>.</quote> and <quote>..</quote> that are 996 not directories, such as <filename 997 class="directory">/dev/null/.</filename> or <filename 998 class="directory">/dev/null/..</filename>.</para> 999 1000 <para revision="267236">A new flag, <quote>onifconsole</quote> 1001 has been added to <filename>/etc/ttys</filename>. This allows 1002 the system to provide a login prompt via serial console if the 1003 device is an active kernel console, otherwise it is equivalent 1004 to <literal>off</literal>.</para> 1005 1006 <para revision="267341">Support for legacy 1007 <acronym>PCI</acronym> devices has been removed from 1008 &man.bhyve.8;.</para> 1009 1010 <para revision="267450">The &man.bhyve.8; userland utility 1011 has been updated to include SMBIOS support. A new flag has 1012 been added, <literal>-U</literal>, which allows specifying the 1013 UUID of the guest in the System Information structure.</para> 1014 1015 <para revision="267734">The &os; Project has migrated 1016 from the <application>GNATS</application> bug tracking system 1017 to <application>Bugzilla</application>. The &man.send-pr.1; 1018 utility used for submitting problem reports has been replaced 1019 with a stub shell script that instructs to use the Bugzilla 1020 web interface.</para> 1021 1022 <para revision="267747">The &man.patch.1; utility has been 1023 updated to include a <literal>--dry-run</literal> flag, which 1024 is equivalent to <literal>--check</literal> and 1025 <literal>-C</literal>.</para> 1026 1027 <para revision="267878">A bug in &man.bsdgrep.1; that would 1028 prevent patterns from being matched under certain conditions 1029 has been fixed.</para> 1030 1031 <para revision="267979">The &man.procstat.1; utility has been 1032 updated to include two new flags, <literal>-r</literal> and 1033 <literal>-H</literal>. When <literal>-r</literal> is 1034 specified, &man.procstat.1; will print current resource usage 1035 about the process(es). When <literal>-H</literal> is 1036 specified, &man.procstat.1; will print information about 1037 threads rather than the process(es).</para> 1038 1039 <note> 1040 <para>The <literal>-H</literal> flag is currently only used 1041 with <literal>-r</literal> to display resource usage for 1042 individual threads, rather than the entire process.</para> 1043 </note> 1044 1045 <para revision="268019">The &man.sed.1; utility has been 1046 updated to include a new flag, <literal>-u</literal>, which 1047 enables unbuffered output when specified.</para> 1048 1049 <para revision="268161">The &man.mkimg.1; utility has been 1050 merged from &os;-CURRENT.</para> 1051 1052 <para revision="268700" contrib="sponsor" 1053 sponsor="&spectralogic;">The &man.camcontrol.8; has been 1054 updated to include a new <literal>persist</literal> command, 1055 which allows issuing <command>SCSI PERSISTENT RESERVE 1056 IN</command> and <command>SCSI PERSISTENT RESERVE 1057 OUT</command>.</para> 1058 1059 <para revision="268791">The &man.gstat.8; utility has been 1060 updated to include a new flag, <literal>-p</literal>, which 1061 displays only physical providers when specified.</para> 1062 1063 <para revision="268903">The &man.kldstat.8; utility has been 1064 updated to allow <literal>-q</literal> to be specified when 1065 also specifying <literal>-n 1066 <replaceable>module.ko</replaceable></literal>.</para> 1067 1068 <para revision="269177">The &man.mkimg.1; utility has been 1069 updated to include support for both fixed- and 1070 dynamically-allocated images for the <acronym>VHD</acronym> 1071 and <acronym>VMDK</acronym> formats.</para> 1072 1073 <para revision="269220">The &man.random.4; entropy collection 1074 script, <filename>/usr/libexec/save-entropy</filename>, no 1075 longer runs within &man.jail.8; environments.</para> 1076 1077 <para revision="269397">The &man.bhyve.8; wrapper script, 1078 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>, 1079 has been synced with &os;-CURRENT.</para> 1080 1081 <para>This update includes:</para> 1082 1083 <itemizedlist> 1084 <listitem> 1085 <para>A new flag, <literal>-e</literal>, has been added, 1086 which is used to set &man.loader.8; environment 1087 variables.</para> 1088 </listitem> 1089 1090 <listitem> 1091 <para>A new flag, <literal>-C</literal>, has been added, 1092 which is used to specify the guest console device.</para> 1093 </listitem> 1094 1095 <listitem> 1096 <para>A new flag, <literal>-H</literal>, has been added, 1097 which is used to pass the host path to 1098 &man.bhyveload.8;.</para> 1099 </listitem> 1100 1101 <listitem> 1102 <para>Support for multiple disk and &man.tap.4; devices 1103 has been added.</para> 1104 </listitem> 1105 1106 <listitem> 1107 <para>The <literal>-I</literal> flag has been 1108 removed.</para> 1109 </listitem> 1110 </itemizedlist> 1111 1112 <para revision="269398">The &man.nfsd.8; server update to 4.1, 1113 adding support for RFC5661, has merged from 1114 &os;-CURRENT.</para> 1115 1116 <para revision="269432" arch="ia64">The serial terminals 1117 <filename>ttyu0</filename> and <filename>ttyu1</filename> have 1118 been updated to <literal>onifconsole</literal> by default in 1119 &man.ttys.5;, which either can be the serial console, 1120 depending on the platform.</para> 1121 1122 <para revision="269800">The &man.ping6.8; utility has been 1123 updated to reset <literal>itimer</literal> when the maximum 1124 number of packets to send have been reached. This prevents 1125 &man.ping6.8; from exiting when the interval in set to a small 1126 value and a low number of packets to send has been 1127 specified.</para> 1128 1129 <para revision="269805">The &man.jail.8; utility has been 1130 updated to support extra &man.ifconfig.8; arguments for the 1131 <literal>ip4.addr</literal> and <literal>ip6.addr</literal> 1132 parameters. This change allows &man.carp.4; interfaces to 1133 be used within the &man.jail.8;.</para> 1134 1135 <para revision="269946">Support for generating and compiling 1136 <acronym>USDT</acronym> <application>DTrace</application> 1137 probes has been improved. <application>DTrace</application> 1138 <acronym>USDT</acronym> files are now handled similar to 1139 &man.lex.1; and &man.yacc.1; files, meaning support for 1140 handling <application>D</application> files as part of the 1141 build process is built into the <literal>SRCS</literal> 1142 &man.make.1; environment variable.</para> 1143 1144 <para revision="269968">The &man.iscsictl.8; utility has been 1145 updated to include a new flag, <literal>-M</literal>, which 1146 allows modifying the <acronym>iSCSI</acronym> session 1147 parameters without requiring the session to be removed and 1148 added back.</para> 1149 1150 <para revision="270043">The &man.mount.nfs.8; utility has been 1151 updated to support specifying the NFS version as 1152 a <literal>key=<replaceable>value</replaceable></literal> pair 1153 argument to the <literal>-o</literal> flag. For example, to 1154 specify NFS version 4, the syntax to use is 1155 <literal>-o vers=4</literal>.</para> 1156 1157 <para revision="270242" contrib="sponsor" 1158 sponsor="&spectralogic;">The &man.devd.8; client socket type 1159 has been changed to <literal>SOCK_SEQPACKET</literal>, 1160 providing sequential packet support.</para> 1161 1162 <para revision="270401">Support for the <quote>account</quote> 1163 facility has been added to the &man.pam.group.8; 1164 module.</para> 1165 1166 <sect3 xml:id="rc-scripts"> 1167 <title><filename>/etc/rc.d</filename> Scripts</title> 1168 1169 <para revision="264438">The <filename>network.subr</filename> 1170 &man.rc.8; script has been updated to loosen the requirement 1171 of listing network aliases in numeric order. Previously, 1172 a network alias of 1173 <literal>_alias<replaceable>2</replaceable></literal> 1174 would not be created if 1175 <literal>_alias<replaceable>1</replaceable></literal> was 1176 not defined.</para> 1177 1178 <para revision="268098">The &man.service.8; utility has been 1179 updated to check that the &man.rc.d.8; directory exists 1180 before traversing the directory.</para> 1181 </sect3> 1182 </sect2> 1183 1184 <sect2 xml:id="contrib"> 1185 <title>Contributed Software</title> 1186 1187 <para revision="263285">The &man.xz.1; utility has been updated 1188 to a post-5.0.5 snapshot.</para> 1189 1190 <para revision="264377"><application>OpenSSH</application> has 1191 been updated to version 6.6p1.</para> 1192 1193 <para revision="264911">The &man.nc.1; utility has been updated 1194 to match the version in OpenBSD 5.5.</para> 1195 1196 <para revision="266692"><application>Sendmail</application> 1197 has been updated to 8.14.9.</para> 1198 1199 <para revision="268515">The &man.file.1; utility and 1200 &man.libmagic.3; library have been updated to 5.19.</para> 1201 1202 <para revision="268899">The &man.byacc.1; parser has been 1203 updated to version 20140422.</para> 1204 1205 <para revision="269024" contrib="sponsor" 1206 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has 1207 been updated to the r202189 snapshot.</para> 1208 1209 <para revision="269257">The &man.unbound.8; caching resolver and 1210 <literal>ldns</literal> have been updated to version 1211 1.4.22.</para> 1212 1213 <para revision="269686"><application>OpenSSL</application> has 1214 been updated to version 1.0.1i.</para> 1215 1216 <para revision="269847">The <quote>lite</quote> version of 1217 <application>Subversion</application> included in the 1218 &os; base system and its dependencies have been 1219 updated:</para> 1220 1221 <itemizedlist> 1222 <listitem> 1223 <para><application>apr</application> has been 1224 updated to version 1.5.1.</para> 1225 </listitem> 1226 1227 <listitem> 1228 <para><application>apr-util</application> has been 1229 updated to version 1.5.3.</para> 1230 </listitem> 1231 1232 <listitem> 1233 <para><application>serf</application> has been 1234 updated to version 1.3.7.</para> 1235 </listitem> 1236 1237 <listitem> 1238 <para><application>svnlite</application> has been 1239 updated to version 1.8.10.</para> 1240 </listitem> 1241 </itemizedlist> 1242 1243 <para revision="270026">The &man.nvi.1; editor has been 1244 update to version 2.1.2-c80f493b038.</para> 1245 1246 <para revision="270031">The &man.fparseln.3; library has 1247 been updated to version 1.7.</para> 1248 1249 <para revision="270415">The <application>lukemftpd</application> 1250 <acronym>FTP</acronym> server has been removed from the 1251 &os; base system.</para> 1252 1253 <para revision="270817">The timezone database has been updated 1254 to version tzdata2014f.</para> 1255 </sect2> 1256 1257 <sect2 xml:id="ports"> 1258 <title>Ports/Packages Collection Infrastructure</title> 1259 1260 <para> </para> 1261 1262 </sect2> 1263 1264 <sect2 xml:id="releng"> 1265 <title>Release Engineering and Integration</title> 1266 1267 <para revision="263028">The &man.services.mkdb.8; utility has 1268 been updated to include endianness awareness, allowing the 1269 <filename>services.db</filename> database to be created as 1270 part of the release build, regardless of native- or 1271 cross-built releases.</para> 1272 </sect2> 1273 1274 <sect2 xml:id="doc"> 1275 <title>Documentation</title> 1276 1277 <para> </para> 1278 1279 </sect2> 1280 </sect1> 1281 1282 <sect1 xml:id="upgrade"> 1283 <title>Upgrading from Previous Releases of &os;</title> 1284 1285 <para arch="amd64,i386">Binary upgrades between RELEASE versions 1286 (and snapshots of the various security branches) are supported 1287 using the &man.freebsd-update.8; utility. The binary upgrade 1288 procedure will update unmodified userland utilities, as well as 1289 unmodified <filename>GENERIC</filename> kernel distributed as 1290 a part of an official &os; release. The &man.freebsd-update.8; 1291 utility requires that the host being upgraded have Internet 1292 connectivity.</para> 1293 1294 <para>Source-based upgrades (those based on recompiling the &os; 1295 base system from source code) from previous versions are 1296 supported, according to the instructions in 1297 <filename>/usr/src/UPDATING</filename>.</para> 1298 1299 <important> 1300 <para>Upgrading &os; should only be attempted after 1301 backing up <emphasis>all</emphasis> data and configuration 1302 files.</para> 1303 </important> 1304 </sect1> 1305</article> 1306