article.xml revision 270736
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 270736 2014-08-28 01:14:59Z 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="260338">The 134 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has been 135 re-enabled. On multi-CPU machines with enough RAM, this can 136 easily double &man.zfs.8; performance or reduce CPU usage in 137 half. It was originally disabled due to memory and 138 <acronym>KVA</acronym> exhaustion problem reports, which 139 should be resolved due to several change in the VM 140 subsystem.</para> 141 142 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 143 &man.geom.4; RAID driver has been 144 updated to support unmapped I/O.</para> 145 146 <para revision="260431">A new &man.sysctl.8;, 147 <literal>kern.panic_reboot_wait_time</literal>, has been 148 added, which allows controlling how long the system will wait 149 after &man.panic.9; before rebooting.</para> 150 151 <para revision="260857">The &man.virtio_blk.4; driver has been 152 updated to support unmapped I/O.</para> 153 154 <para revision="260858">The &man.virtio_scsi.4; driver has been 155 updated to support unmapped I/O.</para> 156 157 <para revision="262861">The &man.vt.4; driver has been merged 158 from &os;-CURRENT. To enable &man.vt.4;, enter 159 <literal>set kern.vty=vt</literal> at the &man.loader.8; 160 prompt during boot, or add <literal>kern.vty=vt</literal> to 161 &man.loader.conf.5; and reboot the system.</para> 162 163 <para revision="262967">Support for MegaRAID Fury cards has been 164 added to the &man.mfi.4; driver.</para> 165 166 <para revision="263024">The &man.aacraid.4; driver has been 167 updated to version 3.2.5.</para> 168 169 <para revision="263122">Support for &man.hwpmc.4; has been added 170 for &powerpc; 970 class processors.</para> 171 172 <para revision="263197">Support for ADT7460 and ADT7467 fan 173 controllers found in newer PowerBooks™ and 174 iBooks™ has been added to the &man.iicbus.4; 175 driver.</para> 176 177 <para revision="263256">A panic triggered by removing 178 a &man.urtwn.4; device has been fixed.</para> 179 180 <para revision="263799">A potential deadlock in the &man.usb.4; 181 stack triggered by detaching USB devices that create character 182 devices has been fixed.</para> 183 184 <para revision="263869">Support for &amd; Family 16h sensor 185 devices has been added to &man.amdtemp.4;.</para> 186 187 <para revision="264522">Support for LUN-based CD changers has 188 been removed from the &man.cd.4; driver.</para> 189 190 <para revision="264734">Support for 9th generation HP host bus 191 adapter cards has been added to &man.ciss.4;.</para> 192 193 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The 194 &man.mpr.4; device has been added, 195 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA 196 controllers.</para> 197 198 <para revision="265536">The <literal>GEOM_VINUM</literal> option 199 is now able to be built both directly into the kernel or as 200 a &man.kldload.8; loadable module.</para> 201 202 <para revision="265610">The &man.uslcom.4; driver has been 203 updated to support 26 new devices.</para> 204 205 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The 206 &man.mrsas.4; driver has been added, 207 providing support for LSI MegaRAID SAS controllers. The 208 &man.mfi.4; driver will attach to the controller, by default. 209 To enable &man.mrsas.4; add 210 <literal>hw.mfi.mrsas_enable=1</literal> to 211 <filename>/boot/loader.conf</filename>, which turns off 212 &man.mfi.4; device probing.</para> 213 214 <note> 215 <para>At this time, the &man.mfiutil.8; utility and 216 the &os; version of 217 <application>MegaCLI</application> and 218 <application>StorCli</application> do not work with 219 &man.mrsas.4;.</para> 220 </note> 221 222 <para revision="266165">A kernel bug that inhibited proper 223 functionality of the <literal>dev.cpu.0.freq</literal> 224 &man.sysctl.8; on &intel; processors with Turbo 225 Boost™ enabled has been fixed.</para> 226 227 <para revision="266220">The &man.geom.uncompress.4; module is 228 built by default which, similar to &man.geom.uzip.4;, 229 provides support for compressed, read-only disk 230 images.</para> 231 232 <para revision="266436">The &man.uart.4; driver has been 233 updated to include support for the &intel; Lynx Point 234 KT <acronym>AMT</acronym> serial port.</para> 235 236 <para revision="266718">A bug that would prevent 237 a &man.jail.8; from setting the correct IPv4 source address 238 with some operations that required 239 <literal>security.jail.allow_raw_sockets</literal> has been 240 fixed.</para> 241 242 <para revision="266911">The &man.hwpmc.4; driver has been 243 updated to support core events from the Atom™ 244 Silvermont architecture.</para> 245 246 <para revision="267084">The &man.mfi.4; driver has been 247 updated to include support for unmapped I/O.</para> 248 249 <para revision="267457">The &man.hpt27xx.4; driver has been 250 updated with various vendor-supplied bug fixes.</para> 251 252 <para revision="268046">The &man.oce.4; driver has been updated 253 with vendor-supplied fixes for big endian support, and 20GB/s 254 and 25GB/s link speeds.</para> 255 256 <para revision="270130" contrib="sponsor" 257 sponsor="&citrix.rd;">Support for unmapped I/O has been added 258 to the &man.xen.4; <literal>blkfront</literal> driver.</para> 259 260 <para revision="270630">The &os; virtual memory subsystem 261 has been updated to implement <quote>fast path</quote> for 262 the page fault handler.</para> 263 264 <sect3 xml:id="kernel-virtualization"> 265 <title>Virtualization Support</title> 266 267 <para revision="259450">Support for µsoft; Hyper-V 268 has been added to &os;/i386 as loadable modules, however 269 not available in the <filename>GENERIC</filename> kernel 270 configuration.</para> 271 272 <para revision="261090">The &man.bhyve.4; hypervisor now 273 supports soft power-off functionality via the ACPI S5 274 state.</para> 275 276 <para revision="267399">Support for &os;/i386 guests has been 277 added to &man.bhyve.4;.</para> 278 279 <para revision="267427">Support for virtualized 280 <literal>XSAVE</literal> has been added to &man.bhyve.4;, 281 allowing guest operating systems to use 282 <literal>XSAVE</literal> and 283 <literal>XSAVE</literal>-enabled features, such as 284 <acronym>AVX</acronym>.</para> 285 286 <para revision="268932">The &man.bhyve.4; hypervisor now 287 supports booting from a &man.zfs.8; filesystem.</para> 288 289 <para revision="268933">A new driver, &man.virtio_random.4;, 290 has been added, which allows &os; virtual machines to 291 harvest entropy from the hypervisor.</para> 292 293 <para revision="270159">The &man.bhyve.4; hypervisor has been 294 synced with the version in &os;-CURRENT.</para> 295 296 <para>A number of enhancements have been added, and several 297 bug fixes, including:</para> 298 299 <itemizedlist> 300 <listitem> 301 <para>Post-mortem debugging has been added when 302 a guest virtual machine exits with an 303 <quote><acronym>EPT</acronym> Misconfiguration</quote> 304 error.</para> 305 </listitem> 306 307 <listitem> 308 <para>The hypervisor &man.virtio.4; <acronym>API</acronym> 309 has been expanded from 32- to 64-bit.</para> 310 </listitem> 311 312 <listitem> 313 <para>Support for identifying capabilities of the virtual 314 <acronym>CPU</acronym> has been added.</para> 315 </listitem> 316 317 <listitem> 318 <para>Support for emulating legacy x86 task 319 switching has been added.</para> 320 </listitem> 321 322 <listitem> 323 <para>Support to list the VT-x features in base kernel 324 &man.dmesg.8; has been added.</para> 325 </listitem> 326 327 <listitem> 328 <para>Support for extended PCI configuration space 329 has been added.</para> 330 </listitem> 331 </itemizedlist> 332 </sect3> 333 334 <sect3 xml:id="kernel-arm"> 335 <title>ARM Support</title> 336 337 <para revision="259355">The <filename>WANDBOARD</filename> 338 kernel configuration file has been added.</para> 339 340 <para revision="265067">Boot devices may now be specified by 341 setting a u-boot environment variable. If a boot device is 342 not specified, the probe mechanism will be used. To specify 343 the boot device, set the 344 <literal>loaderdev=<replaceable>device</replaceable></literal> 345 u-boot environment variable.</para> 346 347 <para revision="266000">The <literal>nexus(4)</literal> driver 348 has been updated to include <quote>Flattened Device 349 Tree</quote> support, replacing the &man.fdtbus.4; driver 350 in most cases.</para> 351 352 <para revision="266105">The &man.gpioiic.4; and 353 &man.gpioled.4; have been merged from &os;-CURRENT.</para> 354 355 <para revision="266379">The <literal>ZEDBOARD</literal> kernel 356 configuration file has been updated to include 357 <acronym>SMP</acronym> support.</para> 358 </sect3> 359 360 <sect3 xml:id="boot"> 361 <title>Boot Loader Changes</title> 362 363 <para revision="262701">A kernel selection menu has been added 364 to &man.loader.8;. If the <quote>beastie menu</quote> is 365 enabled, the kernel to boot may be selected from the kernel 366 selection menu. Additional kernels may be listed in 367 &man.loader.conf.5; as a comma- or space-separated list. By 368 default, <literal>kernel</literal> and 369 <literal>kernel.old</literal> are listed.</para> 370 </sect3> 371 372 <sect3 xml:id="proc"> 373 <title>Hardware Support</title> 374 375 <para> </para> 376 377 <sect4 xml:id="mm"> 378 <title>Multimedia Support</title> 379 380 <para> </para> 381 382 </sect4> 383 384 <sect4 xml:id="net-if"> 385 <title>Network Interface Support</title> 386 387 <para revision="259453">Support for Ralink RT5370 and 388 RT5372 chipsets has been added to the &man.run.4; 389 driver.</para> 390 391 <para revision="260120">Firmware for the &man.run.4; driver 392 has been updated to version 0.33.</para> 393 394 <para revision="261868">Support for the Ralink RT3593 395 chipset has been added to the &man.run.4; driver.</para> 396 397 <para revision="261972">The &man.nve.4; driver is now 398 deprecated, and the &man.nfe.4; driver should be used 399 instead.</para> 400 401 <para revision="262137">Support for the &man.axge.4; driver 402 has been added. This driver supports the ASIX AX88178A 403 and AX88179 USB ethernet adapters. The AX88178A supports 404 USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para> 405 406 <para revision="262363">The &man.urndis.4; driver has been 407 imported from OpenBSD.</para> 408 409 <para revision="264866">Support for multiple 410 transmitter/receiver queues has been added to the 411 &man.vmx.4; driver.</para> 412 413 <note> 414 <para>The &os; guest operating system must have 415 <acronym>MSIX</acronym> enabled as a prerequisite for 416 multiple queues.</para> 417 </note> 418 419 <para revision="265345">Support for the ASUS USB-N10 Nano 420 wireless card has been added to the &man.urtwn.4; 421 driver.</para> 422 423 <para revision="266212">Transmission checksum offloading has 424 been disabled for the RTL8168C and RTL8168CP chipsets in 425 the &man.re.4; driver for TCP and UDP frames. This is 426 due to a report of UDP datagrams with IP options 427 generating corrupt frames.</para> 428 429 <para revision="266578">Preliminary support has been added 430 to the &man.urtwn.4; driver for the Realtek RTL8188EUS and 431 RTL8188ETV chipsets.</para> 432 433 <para revision="267694">A bug in the fast receiver buffer 434 recycle path has been fixed in the &man.cxgbe.4; 435 driver.</para> 436 437 <para revision="267849" contrib="vendor" 438 vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for 439 T4 and T5 cards has been updated to version 440 1.11.27.0.</para> 441 442 <para revision="269196">The &man.em.4; driver has been 443 updated to version 7.4.2.</para> 444 445 <para revision="269975">The &man.ixgbe.4; tunables have been 446 renamed to match their &man.sysctl.8; counterparts:</para> 447 448 <informaltable frame="none" pgwide="0"> 449 <tgroup cols="2"> 450 <colspec colwidth="1*"/> 451 <colspec colwidth="1*"/> 452 <thead> 453 <row> 454 <entry>Old Name</entry> 455 <entry>New Name</entry> 456 </row> 457 </thead> 458 459 <tbody> 460 <row> 461 <entry><literal>hw.ixgbe.enable_aim</literal></entry> 462 <entry><literal>hw.ix.enable_aim</literal></entry> 463 </row> 464 465 <row> 466 <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry> 467 <entry><literal>hw.ix.max_interrupt_rate</literal></entry> 468 </row> 469 470 <row> 471 <entry><literal>hw.ixgbe.rx_process_limit</literal></entry> 472 <entry><literal>hw.ix.rx_process_limit</literal></entry> 473 </row> 474 475 <row> 476 <entry><literal>hw.ixgbe.tx_process_limit</literal></entry> 477 <entry><literal>hw.ix.tx_process_limit</literal></entry> 478 </row> 479 480 <row> 481 <entry><literal>hw.ixgbe.enable_msix</literal></entry> 482 <entry><literal>hw.ix.enable_msix</literal></entry> 483 </row> 484 485 <row> 486 <entry><literal>hw.ixgbe.num_queues</literal></entry> 487 <entry><literal>hw.ix.num_queues</literal></entry> 488 </row> 489 490 <row> 491 <entry><literal>hw.ixgbe.txd</literal></entry> 492 <entry><literal>hw.ix.txd</literal></entry> 493 </row> 494 495 <row> 496 <entry><literal>hw.ixgbe.rxd</literal></entry> 497 <entry><literal>hw.ix.rxd</literal></entry> 498 </row> 499 500 <row> 501 <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry> 502 <entry><literal>hw.ix.unsupported_sfp</literal></entry> 503 </row> 504 </tbody> 505 </tgroup> 506 </informaltable> 507 508 <para>Be sure to update &man.loader.conf.5; if using the 509 old tunables before upgrading to 510 &os; &release.current;.</para> 511 512 <para revision="270061">The &man.if.nf10bmac.4; driver has 513 been merged from &os;-CURRENT to support the NetFPGA-10G 514 Embedded CPU Ethernet Core.</para> 515 516 <para revision="270297">The &man.cxgbe.4; driver has been 517 updated to support &man.netmap.4; for the T5 10G/40G 518 cards.</para> 519 520 <para revision="270509">The &man.vtnet.4; driver has been 521 updated to support &man.netmap.4;.</para> 522 523 <para revision="270514">The &man.urtwn.4; driver has been 524 updated to support the ASUS USB-AC51 wireless card.</para> 525 526 <para revision="270631">The &intel; XL710 ethernet 527 controller driver, <literal>ixlv(4)</literal>, has been 528 merged from &os;-CURRENT.</para> 529 </sect4> 530 </sect3> 531 532 <sect3 xml:id="net-proto"> 533 <title>Network Protocols</title> 534 535 <para revision="265946">Support for the UDP-Lite protocol 536 (RFC 3828) has been added to the IPv4 and IPv6 537 stacks.</para> 538 539 <para revision="267771">A bug in &man.sctp.4; that would allow 540 two listening sockets bound to the same port has been 541 fixed.</para> 542 </sect3> 543 544 <sect3 xml:id="disks"> 545 <title>Disks and Storage</title> 546 547 <para revision="259328" contrib="sponsor" sponsor="&ff;">The 548 &man.geom.8; <literal>label</literal> class is now aware of 549 resized partitions. This corrects an issue where 550 <command>geom resize</command> would resize the partition, 551 but the label provider in <filename 552 class="directory">/dev/gptid/</filename> would not be 553 resized.</para> 554 555 <para revision="260502">The &man.gmirror.8; 556 utility now has a <literal>resize</literal> command, making 557 it easier to resize the size of a mirror when all of its 558 components have been replaced.</para> 559 560 <para revision="265912">The &man.geom.8; 561 <literal>GEOM_PART</literal> class has been updated to 562 support automatic partition resizing. Changes to the 563 partition size are not saved to disk until 564 <command>gpart commit</command> is run, and prior to saving, 565 can be reverted with <command>gpart undo</command>.</para> 566 567 <para revision="268091">Support for the 568 <literal>disklabel64</literal> partitioning scheme has been 569 added to &man.gpart.8;.</para> 570 571 <para revision="266594">The <literal>radeonkms(4)</literal> 572 driver has been updated to include 32-bit &man.ioctl.2; 573 support, allowing 32-bit applications to run on a 64-bit 574 system.</para> 575 576 <para revision="269298">The maximum number of 577 <acronym>SCSI</acronym> ports in the &man.ctl.4; driver has 578 been increased from 32 to 128.</para> 579 580 <para revision="270552">A new &man.sysctl.8; and 581 &man.loader.8; tunable, 582 <literal>kern.geom.part.mbr.enforce_chs</literal> has been 583 added to the &man.geom.8; <literal>MBR</literal> partition 584 class. When set to a non-zero value, 585 <literal>GEOM_PART_MBR</literal> will automatically 586 recalculate the user-specified offset and size for alignment 587 with the disk geometry.</para> 588 </sect3> 589 590 <sect3 xml:id="fs"> 591 <title>File Systems</title> 592 593 <para revision="260178" contrib="vendor" 594 vendor="&netflix;">A new flag, <literal>-R</literal>, 595 has been added to the &man.fsck.ffs.8; utility. When used, 596 &man.fsck.ffs.8; will restart itself when too many critical 597 errors have been detected.</para> 598 599 <para revision="263407">The &man.zfs.8; filesystem has been 600 updated to implement <quote>bookmarks</quote>. See 601 &man.zfs.8; for further details.</para> 602 603 <para revision="266122">The &man.zfs.8; filesystem has been 604 updated to allow tuning the minimum <quote>ashift</quote> 605 value when creating new top-level virtual devices (vdevs). 606 To set the minimum ashift value, for example when creating 607 a &man.zpool.8; on <quote>Advanced Format</quote> drives, 608 set the <literal>vfs.zfs.min_auto_ashift</literal> 609 &man.sysctl.8; accordingly.</para> 610 611 <para revision="266612">The <literal>libzfs</literal> thread 612 pool <acronym>API</acronym> has been imported from 613 OpenSolaris, and adapted for &os;. This change allows 614 parallel disk scanning, which can reduce &man.zpool.8; 615 overall import time in some workloads.</para> 616 617 <para revision="269651">The &man.restore.8; utility has been 618 updated to prevent assertion failures when restoring 619 a <acronym>UFS</acronym> filesystem dump to 620 a <acronym>ZFS</acronym> filesystem by writing restored 621 files in block sizes that are a multiple of 1024.</para> 622 623 <para revision="269774">Two &man.sysctl.8;s have been added 624 to the &man.zfs.8; filesystem:</para> 625 626 <itemizedlist> 627 <listitem> 628 <para> 629 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The 630 percentage of the metaslab group size that should be 631 considered eligible for allocation, unless all metaslab 632 groups within the metaslab class have also crossed this 633 threshold.</para> 634 </listitem> 635 636 <listitem> 637 <para> 638 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The 639 maximum percentage of metaslab fragmentation level to 640 keep their active state</para> 641 </listitem> 642 </itemizedlist> 643 644 <para revision="269846">The default &man.zfs.8; 645 <acronym>ARC</acronym> hash table size has been increased, 646 and a new &man.loader.8; tunable, 647 <literal>vfs.zfs.arc_average_blocksize</literal>, has been 648 added. Previously, the hash table could be too small, which 649 would lead to long hash chains and limit performance for 650 cached reads. The 651 <literal>vfs.zfs.arc_average_blocksize</literal> tunable 652 allows overriding the default block size. The previous 653 default was 65536, and default of the new &man.loader.8; 654 tunable is 8192.</para> 655 656 <para revision="270157">The Fast File System 657 (<acronym>FFS</acronym>) has been updated to support 658 multi-threaded soft updates. Previously, soft updates were 659 handled by a single thread, and as of this change, now have 660 one thread per <acronym>FFS</acronym> mountpoint.</para> 661 </sect3> 662 </sect2> 663 664 <sect2 xml:id="userland"> 665 <title>Userland Changes</title> 666 667 <para revision="260177" contrib="sponsor" 668 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;, 669 <literal>-b</literal>, which outputs the existing buses and 670 their parents.</para> 671 672 <para revision="262075">The &man.newsyslog.8; utility has been 673 updated to rotate files based on the actual file size instead 674 of the blocks on disk. This matches the behavior documented 675 in &man.newsyslog.conf.5;.</para> 676 677 <para revision="262384">The location of the &man.rctl.8; 678 configuration file can now be overridden in &man.rc.conf.5;. 679 To use a non-default location, set 680 <literal>rctl_rules</literal> in &man.rc.conf.5; to the 681 location of the file.</para> 682 683 <para revision="262855">The <application>ATF</application> test 684 suite has been updated to version 0.20.</para> 685 686 <para revision="263019">The <literal>libucl</literal> library 687 (Unified Configuration Library) has been merged from 688 &os;-CURRENT.</para> 689 690 <para revision="263020">The &man.pkg.7; bootstrapping utility 691 has been synced with the version in &os;-CURRENT.</para> 692 693 <para revision="263403">The &man.zfs.8; userland utility has 694 been updated to include aliases for 695 <command>snapshot</command>, which allows use of <command>zfs 696 list -t snap</command> and <command>zfs 697 snap</command>.</para> 698 699 <para revision="263405">The &man.zfs.8; userland utility has 700 been updated to include a new flag to <command>zfs 701 list</command>, <literal>-p</literal>, which when specified, 702 prints the output in a parsable format.</para> 703 704 <para revision="263783">The Blowfish password format 705 implementation updated. Support for $2b$ has 706 been added, allowing use of passwords greater than 256 707 characters long.</para> 708 709 <para revision="264497">The &man.iconv.3; library has been 710 updated to match NetBSD, providing several bug fixes.</para> 711 712 <para revision="265265">The &man.date.1; utility has been 713 updated to include a new flag, <literal>-R</literal>, which 714 prints the date and time output as specified in RFC 715 2822.</para> 716 717 <para revision="265533">The &man.bc.1; utility has been updated 718 to version 1.1, in sync with the version in OpenBSD.</para> 719 720 <para revision="265604" contrib="vendor" 721 vendor="&netflix;">The &man.pmcstat.8; utility has been 722 updated to include a new flag, <literal>-a</literal>, which 723 when specified, produces a full stack track on the sampled 724 points.</para> 725 726 <para revision="265701">The &man.netstat.8; and &man.route.8; 727 utilities have been updated to include a shorthand equivalent 728 to the <literal>-f inet</literal> and <literal>-f 729 inet6</literal> address specifiers, <literal>-4</literal> 730 and <literal>-6</literal>, respectively.</para> 731 732 <para revision="265879">The &man.crypt.3; library now defaults 733 to SHA512 for password hashing.</para> 734 735 <para revision="266014">The &man.gvinum.8; utility has been 736 updated to allow forceful configuration reset with the 737 <literal>-f</literal> flag. Additionally, a bug that would 738 prevent <literal>-f</literal> from properly creating 739 a &man.gvinum.8; configuration has been fixed.</para> 740 741 <para revision="266029">The &man.login.conf.5; file now takes 742 precedence over the shell-specific environment files. In 743 particular, the <literal>PATH</literal>, 744 <literal>BLOCKSIZE</literal> variables are commented from 745 <filename>/usr/share/skel/dot.profile</filename>, and the 746 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and 747 <literal>umask</literal> variables have been commented from 748 <filename>/usr/share/skel/dot.cshrc</filename>.</para> 749 750 <para revision="266272">The &man.binmiscctl.8; userland utility 751 and related image activator features have been merged from 752 &os;-CURRENT.</para> 753 754 <para revision="266279">The &man.ps.1; utility has been 755 updated to include the <literal>-J</literal> flag, used to 756 filter output by matching &man.jail.8; IDs and names. 757 Additionally, argument <literal>0</literal> can be used to 758 <literal>-J</literal> to only list processes running on the 759 host system.</para> 760 761 <para revision="266280">The &man.top.1; utility has been updated 762 to filter by &man.jail.8; ID or name, in followup to the 763 &man.ps.1; change in <literal>r265229</literal>.</para> 764 765 <para revision="266610">The &man.gstat.8; utility has been 766 updated to include a new flag, <literal>-o</literal>. When 767 set, &man.gstat.8; will display statistics for operations 768 such as <literal>BIO_FLUSH</literal>.</para> 769 770 <para revision="266632">The &man.fetch.3; library has been 771 updated to look for root <acronym>SSL</acronym> certificates 772 in <filename class="directory">/usr/local/etc/ssl/</filename> 773 before <filename 774 class="directory">/etc/ssl/</filename>.</para> 775 776 <para revision="266715">The &man.clang.1;/llvm suite has been 777 updated to version 3.4.1.</para> 778 779 <para revision="266816">The Blowfish password format 780 has been changed to $2b$ by default.</para> 781 782 <para revision="266888">The amount of data collected for 783 &man.hwpmc.4; has been updated to work with modern processors 784 and larger amounts of available memory.</para> 785 786 <para revision="266890">The &man.pmcstat.8; utility has been 787 updated to include a new flag, <literal>-l</literal>, which 788 ends event collection after the specified number of 789 seconds.</para> 790 791 <para revision="266953">The &man.mergemaster.8; utility has 792 been updated to avoid printing 793 <quote><filename>/var/tmp/temproot</filename> 794 disappeared</quote> if there is nothing to compare.</para> 795 796 <para revision="267056">The &os; installer, &man.bsdinstall.8;, 797 has been updated to include optional 798 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap 799 devices when installing onto a full &man.zfs.8; filesystem. 800 Additionally, the parent &man.zfs.8; dataset is now configured 801 with <literal>lz4</literal> compression enabled.</para> 802 803 <para revision="267113">The default &man.newsyslog.conf.5; now 804 includes files in the 805 <filename>/etc/newsyslog.conf.d/</filename> and 806 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 807 directories by default for &man.newsyslog.8;.</para> 808 809 <para revision="267161">The &man.realpath.1; utility has been 810 updated to return <literal>ENOTDIR</literal> on paths 811 components <quote>.</quote> and <quote>..</quote> that are 812 not directories, such as <filename 813 class="directory">/dev/null/.</filename> or <filename 814 class="directory">/dev/null/..</filename>.</para> 815 816 <para revision="267236">A new flag, <quote>onifconsole</quote> 817 has been added to <filename>/etc/ttys</filename>. This allows 818 the system to provide a login prompt via serial console if the 819 device is an active kernel console, otherwise it is equivalent 820 to <literal>off</literal>.</para> 821 822 <para revision="267341">Support for legacy 823 <acronym>PCI</acronym> devices has been removed from 824 &man.bhyve.8;.</para> 825 826 <para revision="267450">The &man.bhyve.8; userland utility 827 has been updated to include SMBIOS support. A new flag has 828 been added, <literal>-U</literal>, which allows specifying the 829 UUID of the guest in the System Information structure.</para> 830 831 <para revision="267734">The &os; Project has migrated 832 from the <application>GNATS</application> bug tracking system 833 to <application>Bugzilla</application>. The &man.send-pr.1; 834 utility used for submitting problem reports has been replaced 835 with a stub shell script that instructs to use the Bugzilla 836 web interface.</para> 837 838 <para revision="267747">The &man.patch.1; utility has been 839 updated to include a <literal>--dry-run</literal> flag, which 840 is equivalent to <literal>--check</literal> and 841 <literal>-C</literal>.</para> 842 843 <para revision="267878">A bug in &man.bsdgrep.1; that would 844 prevent patterns from being matched under certain conditions 845 has been fixed.</para> 846 847 <para revision="267979">The &man.procstat.1; utility has been 848 updated to include two new flags, <literal>-r</literal> and 849 <literal>-H</literal>. When <literal>-r</literal> is 850 specified, &man.procstat.1; will print current resource usage 851 about the process(es). When <literal>-H</literal> is 852 specified, &man.procstat.1; will print information about 853 threads rather than the process(es).</para> 854 855 <note> 856 <para>The <literal>-H</literal> flag is currently only used 857 with <literal>-r</literal> to display resource usage for 858 individual threads, rather than the entire process.</para> 859 </note> 860 861 <para revision="268019">The &man.sed.1; utility has been 862 updated to include a new flag, <literal>-u</literal>, which 863 enables unbuffered output when specified.</para> 864 865 <para revision="268161">The &man.mkimg.1; utility has been 866 merged from &os;-CURRENT.</para> 867 868 <para revision="268700">The &man.camcontrol.8; has been updated 869 to include a new <literal>persist</literal> command, which 870 allows issuing <command>SCSI PERSISTENT RESERVE IN</command> 871 and <command>SCSI PERSISTENT RESERVE OUT</command>.</para> 872 873 <para revision="268791">The &man.gstat.8; utility has been 874 updated to include a new flag, <literal>-p</literal>, which 875 displays only physical providers when specified.</para> 876 877 <para revision="268903">The &man.kldstat.8; utility has been 878 updated to allow <literal>-q</literal> to be specified when 879 also specifying <literal>-n 880 <replaceable>module.ko</replaceable></literal>.</para> 881 882 <para revision="269177">The &man.mkimg.1; utility has been 883 updated to include support for both fixed- and 884 dynamically-allocated images for the <acronym>VHD</acronym> 885 and <acronym>VMDK</acronym> formats.</para> 886 887 <para revision="269220">The &man.random.4; entropy collection 888 script, <filename>/usr/libexec/save-entropy</filename>, no 889 longer runs within &man.jail.8; environments.</para> 890 891 <para revision="269397">The &man.bhyve.8; wrapper script, 892 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>, 893 has been synced with &os;-CURRENT.</para> 894 895 <para>This update includes:</para> 896 897 <itemizedlist> 898 <listitem> 899 <para>A new flag, <literal>-e</literal>, has been added, 900 which is used to set &man.loader.8; environment 901 variables.</para> 902 </listitem> 903 904 <listitem> 905 <para>A new flag, <literal>-C</literal>, has been added, 906 which is used to specify the guest console device.</para> 907 </listitem> 908 909 <listitem> 910 <para>A new flag, <literal>-H</literal>, has been added, 911 which is used to pass the host path to 912 &man.bhyveload.8;.</para> 913 </listitem> 914 915 <listitem> 916 <para>Support for multiple disk and &man.tap.4; devices 917 has been added.</para> 918 </listitem> 919 920 <listitem> 921 <para>The <literal>-I</literal> flag has been 922 removed.</para> 923 </listitem> 924 </itemizedlist> 925 926 <para revision="269398">The &man.nfsd.8; server update to 4.1 927 has merged from &os;-CURRENT.</para> 928 929 <para revision="269432" arch="ia64">The serial terminals 930 <filename>ttyu0</filename> and <filename>ttyu1</filename> have 931 been updated to <literal>onifconsole</literal> by default in 932 &man.ttys.5;, which either can be the serial console, 933 depending on the platform.</para> 934 935 <para revision="269800">The &man.ping6.8; utility has been 936 updated to reset <literal>itimer</literal> when the maximum 937 number of packets to send have been reached. This prevents 938 &man.ping6.8; from exiting when the interval in set to a small 939 value and a low number of packets to send has been 940 specified.</para> 941 942 <para revision="269805">The &man.jail.8; utility has been 943 updated to support extra &man.ifconfig.8; arguments for the 944 <literal>ip4.addr</literal> and <literal>ip6.addr</literal> 945 parameters. This change allows &man.carp.4; interfaces to 946 be used within the &man.jail.8;.</para> 947 948 <para revision="269968">The &man.iscsictl.8; utility has been 949 updated to include a new flag, <literal>-M</literal>, which 950 allows modifying the <acronym>iSCSI</acronym> session 951 parameters without requiring the session to be removed and 952 added back.</para> 953 954 <para revision="270043">The &man.mount.nfs.8; utility has been 955 updated to support specifying the NFS version as 956 a <literal>key=<replaceable>value</replaceable></literal> pair 957 argument to the <literal>-o</literal> flag. For example, to 958 specify NFS version 4, the syntax to use is 959 <literal>-o vers=4</literal>.</para> 960 961 <para revision="270401">Support for the <quote>account</quote> 962 facility has been added to the &man.pam.group.8; 963 module.</para> 964 965 <sect3 xml:id="rc-scripts"> 966 <title><filename>/etc/rc.d</filename> Scripts</title> 967 968 <para revision="264438">The <filename>network.subr</filename> 969 &man.rc.8; script has been updated to loosen the requirement 970 of listing network aliases in numeric order. Previously, 971 a network alias of 972 <literal>_alias<replaceable>2</replaceable></literal> 973 would not be created if 974 <literal>_alias<replaceable>1</replaceable></literal> was 975 not defined.</para> 976 977 <para revision="268098">The &man.service.8; utility has been 978 updated to check that the &man.rc.d.8; directory exists 979 before traversing the directory.</para> 980 </sect3> 981 </sect2> 982 983 <sect2 xml:id="contrib"> 984 <title>Contributed Software</title> 985 986 <para revision="263285">The &man.xz.1; utility has been updated 987 to a post-5.0.5 snapshot.</para> 988 989 <para revision="264377"><application>OpenSSH</application> has 990 been updated to version 6.6p1.</para> 991 992 <para revision="264911">The &man.nc.1; utility has been updated 993 to match the version in OpenBSD 5.5.</para> 994 995 <para revision="266692"><application>Sendmail</application> 996 has been updated to 8.14.9.</para> 997 998 <para revision="267477">The timezone database has been updated 999 to version tzdata2014e.</para> 1000 1001 <para revision="268515">The &man.file.1; utility and 1002 &man.libmagic.3; library have been updated to 5.19.</para> 1003 1004 <para revision="268899">The &man.byacc.1; parser has been 1005 updated to version 20140422.</para> 1006 1007 <para revision="269024" contrib="sponsor" 1008 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has 1009 been updated to the r202189 snapshot.</para> 1010 1011 <para revision="269257">The &man.unbound.8; caching resolver and 1012 <literal>ldns</literal> have been updated to version 1013 1.4.22.</para> 1014 1015 <para revision="269686"><application>OpenSSL</application> has 1016 been updated to version 1.0.1i.</para> 1017 1018 <para revision="269847">The <quote>lite</quote> version of 1019 <application>Subversion</application> included in the 1020 &os; base system and its dependencies have been 1021 updated:</para> 1022 1023 <itemizedlist> 1024 <listitem> 1025 <para><application>apr</application> has been 1026 updated to version 1.5.1.</para> 1027 </listitem> 1028 1029 <listitem> 1030 <para><application>apr-util</application> has been 1031 updated to version 1.5.3.</para> 1032 </listitem> 1033 1034 <listitem> 1035 <para><application>serf</application> has been 1036 updated to version 1.3.7.</para> 1037 </listitem> 1038 1039 <listitem> 1040 <para><application>svnlite</application> has been 1041 updated to version 1.8.10.</para> 1042 </listitem> 1043 </itemizedlist> 1044 1045 <para revision="270026">The &man.nvi.1; editor has been 1046 update to version 2.1.2-c80f493b038.</para> 1047 1048 <para revision="270031">The &man.fparseln.3; library has 1049 been updated to version 1.7.</para> 1050 1051 <para revision="270415">The <application>lukemftpd</application> 1052 <acronym>FTP</acronym> server has been removed from the 1053 &os; base system.</para> 1054 </sect2> 1055 1056 <sect2 xml:id="ports"> 1057 <title>Ports/Packages Collection Infrastructure</title> 1058 1059 <para> </para> 1060 1061 </sect2> 1062 1063 <sect2 xml:id="releng"> 1064 <title>Release Engineering and Integration</title> 1065 1066 <para revision="263028">The &man.services.mkdb.8; utility has 1067 been updated to include endianness awareness, allowing the 1068 <filename>services.db</filename> database to be created as 1069 part of the release build, regardless of native- or 1070 cross-built releases.</para> 1071 </sect2> 1072 1073 <sect2 xml:id="doc"> 1074 <title>Documentation</title> 1075 1076 <para> </para> 1077 1078 </sect2> 1079 </sect1> 1080 1081 <sect1 xml:id="upgrade"> 1082 <title>Upgrading from Previous Releases of &os;</title> 1083 1084 <para arch="amd64,i386">Binary upgrades between RELEASE versions 1085 (and snapshots of the various security branches) are supported 1086 using the &man.freebsd-update.8; utility. The binary upgrade 1087 procedure will update unmodified userland utilities, as well as 1088 unmodified GENERIC or SMP kernels distributed as a part of an 1089 official &os; release. The &man.freebsd-update.8; utility 1090 requires that the host being upgraded have Internet 1091 connectivity.</para> 1092 1093 <para>Source-based upgrades (those based on recompiling the &os; 1094 base system from source code) from previous versions are 1095 supported, according to the instructions in 1096 <filename>/usr/src/UPDATING</filename>.</para> 1097 1098 <important> 1099 <para>Upgrading &os; should only be attempted after 1100 backing up <emphasis>all</emphasis> data and configuration 1101 files.</para> 1102 </important> 1103 </sect1> 1104</article> 1105