article.xml revision 270764
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 270764 2014-08-28 21:02:10Z 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 is a 551 base of NFS server took multiple optimizations, that significantly 552 improved its performance and SMP scapability.</para> 553 554 <para>New kernel-based iSCSI target and initiator code took many 555 fixes and performance optimizations.</para> 556 </sect3> 557 558 <sect3 xml:id="disks"> 559 <title>Disks and Storage</title> 560 561 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 562 &man.geom.4; got I/O direct dispatch support. 563 When safety requirements are met, it allows to avoid passing 564 I/O requests to GEOM g_up/g_down thread, executing them directly 565 in the caller context. That allows to avoid CPU bottlenecks in 566 g_up/g_down threads, plus avoid several context switches per I/O. 567 </para> 568 569 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 570 &man.geom.4; RAID driver has been 571 updated to support unmapped I/O.</para> 572 573 <para revision="260387" contrib="sponsor" sponsor="&ix;">The 574 &man.cam.4; got finer-grained locking, direct dispatch and 575 multi-queue support. 576 Combined with &man.geom.4; direct dispatch that allows to 577 reduce lock congestion and improve SMP scalability of the 578 SCSI/ATA stack. 579 </para> 580 581 <para revision="260478">The &man.geom.8; 582 <literal>GEOM_MULTIPATH</literal> class got automatic live 583 resize support.</para> 584 585 <para revision="260857">The &man.virtio_blk.4; driver has been 586 updated to support unmapped I/O.</para> 587 588 <para revision="260858">The &man.virtio_scsi.4; driver has been 589 updated to support unmapped I/O.</para> 590 591 <para revision="264522">Support for LUN-based CD changers has 592 been removed from the &man.cd.4; driver.</para> 593 594 <para revision="264732">ZVOLs got BIO_DELETE support.</para> 595 596 <para revision="264734">Support for 9th generation HP host bus 597 adapter cards has been added to &man.ciss.4;.</para> 598 599 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The 600 &man.mpr.4; device has been added, 601 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA 602 controllers.</para> 603 604 <para revision="265678">A new ZVOL property <literal>volmode</literal> 605 and &man.sysctl.8; <literal>vfs.zfs.vol.mode</literal> has been 606 added to allow switching ZVOL between three different ways of 607 exposing it to a user: <literal>geom</literal>, 608 <literal>dev</literal> and <literal>none</literal>.</para> 609 610 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The 611 &man.mrsas.4; driver has been added, 612 providing support for LSI MegaRAID SAS controllers. The 613 &man.mfi.4; driver will attach to the controller, by default. 614 To enable &man.mrsas.4; add 615 <literal>hw.mfi.mrsas_enable=1</literal> to 616 <filename>/boot/loader.conf</filename>, which turns off 617 &man.mfi.4; device probing.</para> 618 619 <note> 620 <para>At this time, the &man.mfiutil.8; utility and 621 the &os; version of 622 <application>MegaCLI</application> and 623 <application>StorCli</application> do not work with 624 &man.mrsas.4;.</para> 625 </note> 626 627 <para revision="266608">Fixed accounting of BIO_FLUSH operation 628 in &man.geom.8; <literal>GEOM_DISK</literal> class</para> 629 630 <para revision="266610">The &man.gstat.8; 631 utility now has a <literal>-o</literal> option, to 632 display "other" operatins (e.g. BIO_FLUSH).</para> 633 634 <para revision="267084">The &man.mfi.4; driver has been 635 updated to include support for unmapped I/O.</para> 636 637 <para revision="267457">The &man.hpt27xx.4; driver has been 638 updated with various vendor-supplied bug fixes.</para> 639 640 <para revision="270130" contrib="sponsor" 641 sponsor="&citrix.rd;">Support for unmapped I/O has been added 642 to the &man.xen.4; <literal>blkfront</literal> driver.</para> 643 644 <para revision="259328" contrib="sponsor" sponsor="&ff;">The 645 &man.geom.8; <literal>label</literal> class is now aware of 646 resized partitions. This corrects an issue where 647 <command>geom resize</command> would resize the partition, 648 but the label provider in <filename 649 class="directory">/dev/gptid/</filename> would not be 650 resized.</para> 651 652 <para revision="260502">The &man.gmirror.8; 653 utility now has a <literal>resize</literal> command, making 654 it easier to resize the size of a mirror when all of its 655 components have been replaced.</para> 656 657 <para revision="262967">Support for MegaRAID Fury cards has been 658 added to the &man.mfi.4; driver.</para> 659 660 <para revision="263024">The &man.aacraid.4; driver has been 661 updated to version 3.2.5.</para> 662 663 <para revision="265536">The <literal>GEOM_VINUM</literal> option 664 is now able to be built both directly into the kernel or as 665 a &man.kldload.8; loadable module.</para> 666 667 <para revision="265912">The &man.geom.8; 668 <literal>GEOM_PART</literal> class has been updated to 669 support automatic partition resizing. Changes to the 670 partition size are not saved to disk until 671 <command>gpart commit</command> is run, and prior to saving, 672 can be reverted with <command>gpart undo</command>.</para> 673 674 <para revision="266220">The &man.geom.uncompress.4; module is 675 built by default which, similar to &man.geom.uzip.4;, 676 provides support for compressed, read-only disk 677 images.</para> 678 679 <para revision="268091">Support for the 680 <literal>disklabel64</literal> partitioning scheme has been 681 added to &man.gpart.8;.</para> 682 683 <para revision="270552">A new &man.sysctl.8; and 684 &man.loader.8; tunable, 685 <literal>kern.geom.part.mbr.enforce_chs</literal> has been 686 added to the &man.geom.8; <literal>MBR</literal> partition 687 class. When set to a non-zero value, 688 <literal>GEOM_PART_MBR</literal> will automatically 689 recalculate the user-specified offset and size for alignment 690 with the disk geometry.</para> 691 692 <para contrib="sponsor" sponsor="&ix;">CAM Target Layer (CTL) 693 got many impromenets:</para> 694 <itemizedlist> 695 <listitem> 696 <para>Support for UNMAP, WRITE SAME, COMPARE AND WRITE, XCOPY 697 and some other SCSI commands was added to support VMWare VAAI 698 and Microsoft ODX storage acceleration.</para> 699 </listitem> 700 <listitem> 701 <para revision="265642">READ/WRITE size limitations were removed 702 by supporting multiple data moves per command.</para> 703 </listitem> 704 <listitem> 705 <para revision="268556">Finer-grained per-LUN locking and 706 multiple worker threads for better SMP scapability.</para> 707 </listitem> 708 <listitem> 709 <para revision="269297">Memory consumption reduced by several 710 times by disabling some never used functionality.</para> 711 </listitem> 712 <listitem> 713 <para revision="269298">The maximum number of 714 <acronym>SCSI</acronym> ports increased from 32 to 128</para> 715 </listitem> 716 <listitem> 717 <para revision="269429">Improved ZVOL integration for better 718 performance.</para> 719 </listitem> 720 </itemizedlist> 721 </sect3> 722 723 <sect3 xml:id="fs"> 724 <title>File Systems</title> 725 726 <para revision="260338">The 727 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has been 728 re-enabled. On multi-CPU machines with enough RAM, this can 729 easily double &man.zfs.8; performance or reduce CPU usage in 730 half. It was originally disabled due to memory and 731 <acronym>KVA</acronym> exhaustion problem reports, which 732 should be resolved due to several change in the VM 733 subsystem.</para> 734 735 <para revision="260178" contrib="vendor" 736 vendor="&netflix;">A new flag, <literal>-R</literal>, 737 has been added to the &man.fsck.ffs.8; utility. When used, 738 &man.fsck.ffs.8; will restart itself when too many critical 739 errors have been detected.</para> 740 741 <para revision="263407">The &man.zfs.8; filesystem has been 742 updated to implement <quote>bookmarks</quote>. See 743 &man.zfs.8; for further details.</para> 744 745 <para revision="266122">The &man.zfs.8; filesystem has been 746 updated to allow tuning the minimum <quote>ashift</quote> 747 value when creating new top-level virtual devices (vdevs). 748 To set the minimum ashift value, for example when creating 749 a &man.zpool.8; on <quote>Advanced Format</quote> drives, 750 set the <literal>vfs.zfs.min_auto_ashift</literal> 751 &man.sysctl.8; accordingly.</para> 752 753 <para revision="266612">The <literal>libzfs</literal> thread 754 pool <acronym>API</acronym> has been imported from 755 OpenSolaris, and adapted for &os;. This change allows 756 parallel disk scanning, which can reduce &man.zpool.8; 757 overall import time in some workloads.</para> 758 759 <para revision="269651">The &man.restore.8; utility has been 760 updated to prevent assertion failures when restoring 761 a <acronym>UFS</acronym> filesystem dump to 762 a <acronym>ZFS</acronym> filesystem by writing restored 763 files in block sizes that are a multiple of 1024.</para> 764 765 <para revision="269774">Two &man.sysctl.8;s have been added 766 to the &man.zfs.8; filesystem:</para> 767 768 <itemizedlist> 769 <listitem> 770 <para> 771 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The 772 percentage of the metaslab group size that should be 773 considered eligible for allocation, unless all metaslab 774 groups within the metaslab class have also crossed this 775 threshold.</para> 776 </listitem> 777 778 <listitem> 779 <para> 780 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The 781 maximum percentage of metaslab fragmentation level to 782 keep their active state</para> 783 </listitem> 784 </itemizedlist> 785 786 <para revision="269846">The default &man.zfs.8; 787 <acronym>ARC</acronym> hash table size has been increased, 788 and a new &man.loader.8; tunable, 789 <literal>vfs.zfs.arc_average_blocksize</literal>, has been 790 added. Previously, the hash table could be too small, which 791 would lead to long hash chains and limit performance for 792 cached reads. The 793 <literal>vfs.zfs.arc_average_blocksize</literal> tunable 794 allows overriding the default block size. The previous 795 default was 65536, and default of the new &man.loader.8; 796 tunable is 8192.</para> 797 798 <para revision="270157">The Fast File System 799 (<acronym>FFS</acronym>) has been updated to support 800 multi-threaded soft updates. Previously, soft updates were 801 handled by a single thread, and as of this change, now have 802 one thread per <acronym>FFS</acronym> mountpoint.</para> 803 </sect3> 804 </sect2> 805 806 <sect2 xml:id="userland"> 807 <title>Userland Changes</title> 808 809 <para revision="260177" contrib="sponsor" 810 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;, 811 <literal>-b</literal>, which outputs the existing buses and 812 their parents.</para> 813 814 <para revision="262075">The &man.newsyslog.8; utility has been 815 updated to rotate files based on the actual file size instead 816 of the blocks on disk. This matches the behavior documented 817 in &man.newsyslog.conf.5;.</para> 818 819 <para revision="262384">The location of the &man.rctl.8; 820 configuration file can now be overridden in &man.rc.conf.5;. 821 To use a non-default location, set 822 <literal>rctl_rules</literal> in &man.rc.conf.5; to the 823 location of the file.</para> 824 825 <para revision="262855">The <application>ATF</application> test 826 suite has been updated to version 0.20.</para> 827 828 <para revision="263019">The <literal>libucl</literal> library 829 (Unified Configuration Library) has been merged from 830 &os;-CURRENT.</para> 831 832 <para revision="263020">The &man.pkg.7; bootstrapping utility 833 has been synced with the version in &os;-CURRENT.</para> 834 835 <para revision="263403">The &man.zfs.8; userland utility has 836 been updated to include aliases for 837 <command>snapshot</command>, which allows use of <command>zfs 838 list -t snap</command> and <command>zfs 839 snap</command>.</para> 840 841 <para revision="263405">The &man.zfs.8; userland utility has 842 been updated to include a new flag to <command>zfs 843 list</command>, <literal>-p</literal>, which when specified, 844 prints the output in a parsable format.</para> 845 846 <para revision="263783">The Blowfish password format 847 implementation updated. Support for $2b$ has 848 been added, allowing use of passwords greater than 256 849 characters long.</para> 850 851 <para revision="264497">The &man.iconv.3; library has been 852 updated to match NetBSD, providing several bug fixes.</para> 853 854 <para revision="265265">The &man.date.1; utility has been 855 updated to include a new flag, <literal>-R</literal>, which 856 prints the date and time output as specified in RFC 857 2822.</para> 858 859 <para revision="265533">The &man.bc.1; utility has been updated 860 to version 1.1, in sync with the version in OpenBSD.</para> 861 862 <para revision="265604" contrib="vendor" 863 vendor="&netflix;">The &man.pmcstat.8; utility has been 864 updated to include a new flag, <literal>-a</literal>, which 865 when specified, produces a full stack track on the sampled 866 points.</para> 867 868 <para revision="265701">The &man.netstat.8; and &man.route.8; 869 utilities have been updated to include a shorthand equivalent 870 to the <literal>-f inet</literal> and <literal>-f 871 inet6</literal> address specifiers, <literal>-4</literal> 872 and <literal>-6</literal>, respectively.</para> 873 874 <para revision="265879">The &man.crypt.3; library now defaults 875 to SHA512 for password hashing.</para> 876 877 <para revision="266014">The &man.gvinum.8; utility has been 878 updated to allow forceful configuration reset with the 879 <literal>-f</literal> flag. Additionally, a bug that would 880 prevent <literal>-f</literal> from properly creating 881 a &man.gvinum.8; configuration has been fixed.</para> 882 883 <para revision="266029">The &man.login.conf.5; file now takes 884 precedence over the shell-specific environment files. In 885 particular, the <literal>PATH</literal>, 886 <literal>BLOCKSIZE</literal> variables are commented from 887 <filename>/usr/share/skel/dot.profile</filename>, and the 888 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and 889 <literal>umask</literal> variables have been commented from 890 <filename>/usr/share/skel/dot.cshrc</filename>.</para> 891 892 <para revision="266272">The &man.binmiscctl.8; userland utility 893 and related image activator features have been merged from 894 &os;-CURRENT.</para> 895 896 <para revision="266279">The &man.ps.1; utility has been 897 updated to include the <literal>-J</literal> flag, used to 898 filter output by matching &man.jail.8; IDs and names. 899 Additionally, argument <literal>0</literal> can be used to 900 <literal>-J</literal> to only list processes running on the 901 host system.</para> 902 903 <para revision="266280">The &man.top.1; utility has been updated 904 to filter by &man.jail.8; ID or name, in followup to the 905 &man.ps.1; change in <literal>r265229</literal>.</para> 906 907 <para revision="266610">The &man.gstat.8; utility has been 908 updated to include a new flag, <literal>-o</literal>. When 909 set, &man.gstat.8; will display statistics for operations 910 such as <literal>BIO_FLUSH</literal>.</para> 911 912 <para revision="266632">The &man.fetch.3; library has been 913 updated to look for root <acronym>SSL</acronym> certificates 914 in <filename class="directory">/usr/local/etc/ssl/</filename> 915 before <filename 916 class="directory">/etc/ssl/</filename>.</para> 917 918 <para revision="266715">The &man.clang.1;/llvm suite has been 919 updated to version 3.4.1.</para> 920 921 <para revision="266816">The Blowfish password format 922 has been changed to $2b$ by default.</para> 923 924 <para revision="266888">The amount of data collected for 925 &man.hwpmc.4; has been updated to work with modern processors 926 and larger amounts of available memory.</para> 927 928 <para revision="266890">The &man.pmcstat.8; utility has been 929 updated to include a new flag, <literal>-l</literal>, which 930 ends event collection after the specified number of 931 seconds.</para> 932 933 <para revision="266953">The &man.mergemaster.8; utility has 934 been updated to avoid printing 935 <quote><filename>/var/tmp/temproot</filename> 936 disappeared</quote> if there is nothing to compare.</para> 937 938 <para revision="267056">The &os; installer, &man.bsdinstall.8;, 939 has been updated to include optional 940 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap 941 devices when installing onto a full &man.zfs.8; filesystem. 942 Additionally, the parent &man.zfs.8; dataset is now configured 943 with <literal>lz4</literal> compression enabled.</para> 944 945 <para revision="267113">The default &man.newsyslog.conf.5; now 946 includes files in the 947 <filename>/etc/newsyslog.conf.d/</filename> and 948 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 949 directories by default for &man.newsyslog.8;.</para> 950 951 <para revision="267161">The &man.realpath.1; utility has been 952 updated to return <literal>ENOTDIR</literal> on paths 953 components <quote>.</quote> and <quote>..</quote> that are 954 not directories, such as <filename 955 class="directory">/dev/null/.</filename> or <filename 956 class="directory">/dev/null/..</filename>.</para> 957 958 <para revision="267236">A new flag, <quote>onifconsole</quote> 959 has been added to <filename>/etc/ttys</filename>. This allows 960 the system to provide a login prompt via serial console if the 961 device is an active kernel console, otherwise it is equivalent 962 to <literal>off</literal>.</para> 963 964 <para revision="267341">Support for legacy 965 <acronym>PCI</acronym> devices has been removed from 966 &man.bhyve.8;.</para> 967 968 <para revision="267450">The &man.bhyve.8; userland utility 969 has been updated to include SMBIOS support. A new flag has 970 been added, <literal>-U</literal>, which allows specifying the 971 UUID of the guest in the System Information structure.</para> 972 973 <para revision="267734">The &os; Project has migrated 974 from the <application>GNATS</application> bug tracking system 975 to <application>Bugzilla</application>. The &man.send-pr.1; 976 utility used for submitting problem reports has been replaced 977 with a stub shell script that instructs to use the Bugzilla 978 web interface.</para> 979 980 <para revision="267747">The &man.patch.1; utility has been 981 updated to include a <literal>--dry-run</literal> flag, which 982 is equivalent to <literal>--check</literal> and 983 <literal>-C</literal>.</para> 984 985 <para revision="267878">A bug in &man.bsdgrep.1; that would 986 prevent patterns from being matched under certain conditions 987 has been fixed.</para> 988 989 <para revision="267979">The &man.procstat.1; utility has been 990 updated to include two new flags, <literal>-r</literal> and 991 <literal>-H</literal>. When <literal>-r</literal> is 992 specified, &man.procstat.1; will print current resource usage 993 about the process(es). When <literal>-H</literal> is 994 specified, &man.procstat.1; will print information about 995 threads rather than the process(es).</para> 996 997 <note> 998 <para>The <literal>-H</literal> flag is currently only used 999 with <literal>-r</literal> to display resource usage for 1000 individual threads, rather than the entire process.</para> 1001 </note> 1002 1003 <para revision="268019">The &man.sed.1; utility has been 1004 updated to include a new flag, <literal>-u</literal>, which 1005 enables unbuffered output when specified.</para> 1006 1007 <para revision="268161">The &man.mkimg.1; utility has been 1008 merged from &os;-CURRENT.</para> 1009 1010 <para revision="268700" contrib="sponsor" 1011 sponsor="&spectralogic;">The &man.camcontrol.8; has been 1012 updated to include a new <literal>persist</literal> command, 1013 which allows issuing <command>SCSI PERSISTENT RESERVE 1014 IN</command> and <command>SCSI PERSISTENT RESERVE 1015 OUT</command>.</para> 1016 1017 <para revision="268791">The &man.gstat.8; utility has been 1018 updated to include a new flag, <literal>-p</literal>, which 1019 displays only physical providers when specified.</para> 1020 1021 <para revision="268903">The &man.kldstat.8; utility has been 1022 updated to allow <literal>-q</literal> to be specified when 1023 also specifying <literal>-n 1024 <replaceable>module.ko</replaceable></literal>.</para> 1025 1026 <para revision="269177">The &man.mkimg.1; utility has been 1027 updated to include support for both fixed- and 1028 dynamically-allocated images for the <acronym>VHD</acronym> 1029 and <acronym>VMDK</acronym> formats.</para> 1030 1031 <para revision="269220">The &man.random.4; entropy collection 1032 script, <filename>/usr/libexec/save-entropy</filename>, no 1033 longer runs within &man.jail.8; environments.</para> 1034 1035 <para revision="269397">The &man.bhyve.8; wrapper script, 1036 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>, 1037 has been synced with &os;-CURRENT.</para> 1038 1039 <para>This update includes:</para> 1040 1041 <itemizedlist> 1042 <listitem> 1043 <para>A new flag, <literal>-e</literal>, has been added, 1044 which is used to set &man.loader.8; environment 1045 variables.</para> 1046 </listitem> 1047 1048 <listitem> 1049 <para>A new flag, <literal>-C</literal>, has been added, 1050 which is used to specify the guest console device.</para> 1051 </listitem> 1052 1053 <listitem> 1054 <para>A new flag, <literal>-H</literal>, has been added, 1055 which is used to pass the host path to 1056 &man.bhyveload.8;.</para> 1057 </listitem> 1058 1059 <listitem> 1060 <para>Support for multiple disk and &man.tap.4; devices 1061 has been added.</para> 1062 </listitem> 1063 1064 <listitem> 1065 <para>The <literal>-I</literal> flag has been 1066 removed.</para> 1067 </listitem> 1068 </itemizedlist> 1069 1070 <para revision="269398">The &man.nfsd.8; server update to 4.1, 1071 adding support for RFC5661, has merged from 1072 &os;-CURRENT.</para> 1073 1074 <para revision="269432" arch="ia64">The serial terminals 1075 <filename>ttyu0</filename> and <filename>ttyu1</filename> have 1076 been updated to <literal>onifconsole</literal> by default in 1077 &man.ttys.5;, which either can be the serial console, 1078 depending on the platform.</para> 1079 1080 <para revision="269800">The &man.ping6.8; utility has been 1081 updated to reset <literal>itimer</literal> when the maximum 1082 number of packets to send have been reached. This prevents 1083 &man.ping6.8; from exiting when the interval in set to a small 1084 value and a low number of packets to send has been 1085 specified.</para> 1086 1087 <para revision="269805">The &man.jail.8; utility has been 1088 updated to support extra &man.ifconfig.8; arguments for the 1089 <literal>ip4.addr</literal> and <literal>ip6.addr</literal> 1090 parameters. This change allows &man.carp.4; interfaces to 1091 be used within the &man.jail.8;.</para> 1092 1093 <para revision="269946">Support for generating and compiling 1094 <acronym>USDT</acronym> <application>DTrace</application> 1095 probes has been improved. <application>DTrace</application> 1096 <acronym>USDT</acronym> files are now handled similar to 1097 &man.lex.1; and &man.yacc.1; files, meaning support for 1098 handling <application>D</application> files as part of the 1099 build process is built into the <literal>SRCS</literal> 1100 &man.make.1; environment variable.</para> 1101 1102 <para revision="269968">The &man.iscsictl.8; utility has been 1103 updated to include a new flag, <literal>-M</literal>, which 1104 allows modifying the <acronym>iSCSI</acronym> session 1105 parameters without requiring the session to be removed and 1106 added back.</para> 1107 1108 <para revision="270043">The &man.mount.nfs.8; utility has been 1109 updated to support specifying the NFS version as 1110 a <literal>key=<replaceable>value</replaceable></literal> pair 1111 argument to the <literal>-o</literal> flag. For example, to 1112 specify NFS version 4, the syntax to use is 1113 <literal>-o vers=4</literal>.</para> 1114 1115 <para revision="270242" contrib="sponsor" 1116 sponsor="&spectralogic;">The &man.devd.8; client socket type 1117 has been changed to <literal>SOCK_SEQPACKET</literal>, 1118 providing sequential packet support.</para> 1119 1120 <para revision="270401">Support for the <quote>account</quote> 1121 facility has been added to the &man.pam.group.8; 1122 module.</para> 1123 1124 <sect3 xml:id="rc-scripts"> 1125 <title><filename>/etc/rc.d</filename> Scripts</title> 1126 1127 <para revision="264438">The <filename>network.subr</filename> 1128 &man.rc.8; script has been updated to loosen the requirement 1129 of listing network aliases in numeric order. Previously, 1130 a network alias of 1131 <literal>_alias<replaceable>2</replaceable></literal> 1132 would not be created if 1133 <literal>_alias<replaceable>1</replaceable></literal> was 1134 not defined.</para> 1135 1136 <para revision="268098">The &man.service.8; utility has been 1137 updated to check that the &man.rc.d.8; directory exists 1138 before traversing the directory.</para> 1139 </sect3> 1140 </sect2> 1141 1142 <sect2 xml:id="contrib"> 1143 <title>Contributed Software</title> 1144 1145 <para revision="263285">The &man.xz.1; utility has been updated 1146 to a post-5.0.5 snapshot.</para> 1147 1148 <para revision="264377"><application>OpenSSH</application> has 1149 been updated to version 6.6p1.</para> 1150 1151 <para revision="264911">The &man.nc.1; utility has been updated 1152 to match the version in OpenBSD 5.5.</para> 1153 1154 <para revision="266692"><application>Sendmail</application> 1155 has been updated to 8.14.9.</para> 1156 1157 <para revision="267477">The timezone database has been updated 1158 to version tzdata2014e.</para> 1159 1160 <para revision="268515">The &man.file.1; utility and 1161 &man.libmagic.3; library have been updated to 5.19.</para> 1162 1163 <para revision="268899">The &man.byacc.1; parser has been 1164 updated to version 20140422.</para> 1165 1166 <para revision="269024" contrib="sponsor" 1167 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has 1168 been updated to the r202189 snapshot.</para> 1169 1170 <para revision="269257">The &man.unbound.8; caching resolver and 1171 <literal>ldns</literal> have been updated to version 1172 1.4.22.</para> 1173 1174 <para revision="269686"><application>OpenSSL</application> has 1175 been updated to version 1.0.1i.</para> 1176 1177 <para revision="269847">The <quote>lite</quote> version of 1178 <application>Subversion</application> included in the 1179 &os; base system and its dependencies have been 1180 updated:</para> 1181 1182 <itemizedlist> 1183 <listitem> 1184 <para><application>apr</application> has been 1185 updated to version 1.5.1.</para> 1186 </listitem> 1187 1188 <listitem> 1189 <para><application>apr-util</application> has been 1190 updated to version 1.5.3.</para> 1191 </listitem> 1192 1193 <listitem> 1194 <para><application>serf</application> has been 1195 updated to version 1.3.7.</para> 1196 </listitem> 1197 1198 <listitem> 1199 <para><application>svnlite</application> has been 1200 updated to version 1.8.10.</para> 1201 </listitem> 1202 </itemizedlist> 1203 1204 <para revision="270026">The &man.nvi.1; editor has been 1205 update to version 2.1.2-c80f493b038.</para> 1206 1207 <para revision="270031">The &man.fparseln.3; library has 1208 been updated to version 1.7.</para> 1209 1210 <para revision="270415">The <application>lukemftpd</application> 1211 <acronym>FTP</acronym> server has been removed from the 1212 &os; base system.</para> 1213 </sect2> 1214 1215 <sect2 xml:id="ports"> 1216 <title>Ports/Packages Collection Infrastructure</title> 1217 1218 <para> </para> 1219 1220 </sect2> 1221 1222 <sect2 xml:id="releng"> 1223 <title>Release Engineering and Integration</title> 1224 1225 <para revision="263028">The &man.services.mkdb.8; utility has 1226 been updated to include endianness awareness, allowing the 1227 <filename>services.db</filename> database to be created as 1228 part of the release build, regardless of native- or 1229 cross-built releases.</para> 1230 </sect2> 1231 1232 <sect2 xml:id="doc"> 1233 <title>Documentation</title> 1234 1235 <para> </para> 1236 1237 </sect2> 1238 </sect1> 1239 1240 <sect1 xml:id="upgrade"> 1241 <title>Upgrading from Previous Releases of &os;</title> 1242 1243 <para arch="amd64,i386">Binary upgrades between RELEASE versions 1244 (and snapshots of the various security branches) are supported 1245 using the &man.freebsd-update.8; utility. The binary upgrade 1246 procedure will update unmodified userland utilities, as well as 1247 unmodified GENERIC or SMP kernels distributed as a part of an 1248 official &os; release. The &man.freebsd-update.8; utility 1249 requires that the host being upgraded have Internet 1250 connectivity.</para> 1251 1252 <para>Source-based upgrades (those based on recompiling the &os; 1253 base system from source code) from previous versions are 1254 supported, according to the instructions in 1255 <filename>/usr/src/UPDATING</filename>.</para> 1256 1257 <important> 1258 <para>Upgrading &os; should only be attempted after 1259 backing up <emphasis>all</emphasis> data and configuration 1260 files.</para> 1261 </important> 1262 </sect1> 1263</article> 1264