article.xml revision 270744
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 270744 2014-08-28 08:25:15Z mav $</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 revision="266379">The <literal>ZEDBOARD</literal> kernel 289 configuration file has been updated to include 290 <acronym>SMP</acronym> support.</para> 291 </sect3> 292 293 <sect3 xml:id="boot"> 294 <title>Boot Loader Changes</title> 295 296 <para revision="262701">A kernel selection menu has been added 297 to &man.loader.8;. If the <quote>beastie menu</quote> is 298 enabled, the kernel to boot may be selected from the kernel 299 selection menu. Additional kernels may be listed in 300 &man.loader.conf.5; as a comma- or space-separated list. By 301 default, <literal>kernel</literal> and 302 <literal>kernel.old</literal> are listed.</para> 303 </sect3> 304 305 <sect3 xml:id="proc"> 306 <title>Hardware Support</title> 307 308 <para> </para> 309 310 <sect4 xml:id="mm"> 311 <title>Multimedia Support</title> 312 313 <para> </para> 314 315 </sect4> 316 317 <sect4 xml:id="net-if"> 318 <title>Network Interface Support</title> 319 320 <para revision="259453">Support for Ralink RT5370 and 321 RT5372 chipsets has been added to the &man.run.4; 322 driver.</para> 323 324 <para revision="260120">Firmware for the &man.run.4; driver 325 has been updated to version 0.33.</para> 326 327 <para revision="261868">Support for the Ralink RT3593 328 chipset has been added to the &man.run.4; driver.</para> 329 330 <para revision="261972">The &man.nve.4; driver is now 331 deprecated, and the &man.nfe.4; driver should be used 332 instead.</para> 333 334 <para revision="262137">Support for the &man.axge.4; driver 335 has been added. This driver supports the ASIX AX88178A 336 and AX88179 USB ethernet adapters. The AX88178A supports 337 USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para> 338 339 <para revision="262363">The &man.urndis.4; driver has been 340 imported from OpenBSD.</para> 341 342 <para revision="264866">Support for multiple 343 transmitter/receiver queues has been added to the 344 &man.vmx.4; driver.</para> 345 346 <note> 347 <para>The &os; guest operating system must have 348 <acronym>MSIX</acronym> enabled as a prerequisite for 349 multiple queues.</para> 350 </note> 351 352 <para revision="265345">Support for the ASUS USB-N10 Nano 353 wireless card has been added to the &man.urtwn.4; 354 driver.</para> 355 356 <para revision="266212">Transmission checksum offloading has 357 been disabled for the RTL8168C and RTL8168CP chipsets in 358 the &man.re.4; driver for TCP and UDP frames. This is 359 due to a report of UDP datagrams with IP options 360 generating corrupt frames.</para> 361 362 <para revision="266578">Preliminary support has been added 363 to the &man.urtwn.4; driver for the Realtek RTL8188EUS and 364 RTL8188ETV chipsets.</para> 365 366 <para revision="267694">A bug in the fast receiver buffer 367 recycle path has been fixed in the &man.cxgbe.4; 368 driver.</para> 369 370 <para revision="267849" contrib="vendor" 371 vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for 372 T4 and T5 cards has been updated to version 373 1.11.27.0.</para> 374 375 <para revision="269196">The &man.em.4; driver has been 376 updated to version 7.4.2.</para> 377 378 <para revision="269975">The &man.ixgbe.4; tunables have been 379 renamed to match their &man.sysctl.8; counterparts:</para> 380 381 <informaltable frame="none" pgwide="0"> 382 <tgroup cols="2"> 383 <colspec colwidth="1*"/> 384 <colspec colwidth="1*"/> 385 <thead> 386 <row> 387 <entry>Old Name</entry> 388 <entry>New Name</entry> 389 </row> 390 </thead> 391 392 <tbody> 393 <row> 394 <entry><literal>hw.ixgbe.enable_aim</literal></entry> 395 <entry><literal>hw.ix.enable_aim</literal></entry> 396 </row> 397 398 <row> 399 <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry> 400 <entry><literal>hw.ix.max_interrupt_rate</literal></entry> 401 </row> 402 403 <row> 404 <entry><literal>hw.ixgbe.rx_process_limit</literal></entry> 405 <entry><literal>hw.ix.rx_process_limit</literal></entry> 406 </row> 407 408 <row> 409 <entry><literal>hw.ixgbe.tx_process_limit</literal></entry> 410 <entry><literal>hw.ix.tx_process_limit</literal></entry> 411 </row> 412 413 <row> 414 <entry><literal>hw.ixgbe.enable_msix</literal></entry> 415 <entry><literal>hw.ix.enable_msix</literal></entry> 416 </row> 417 418 <row> 419 <entry><literal>hw.ixgbe.num_queues</literal></entry> 420 <entry><literal>hw.ix.num_queues</literal></entry> 421 </row> 422 423 <row> 424 <entry><literal>hw.ixgbe.txd</literal></entry> 425 <entry><literal>hw.ix.txd</literal></entry> 426 </row> 427 428 <row> 429 <entry><literal>hw.ixgbe.rxd</literal></entry> 430 <entry><literal>hw.ix.rxd</literal></entry> 431 </row> 432 433 <row> 434 <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry> 435 <entry><literal>hw.ix.unsupported_sfp</literal></entry> 436 </row> 437 </tbody> 438 </tgroup> 439 </informaltable> 440 441 <para>Be sure to update &man.loader.conf.5; if using the 442 old tunables before upgrading to 443 &os; &release.current;.</para> 444 445 <para revision="270061">The &man.if.nf10bmac.4; driver has 446 been merged from &os;-CURRENT to support the NetFPGA-10G 447 Embedded CPU Ethernet Core.</para> 448 449 <para revision="270297">The &man.cxgbe.4; driver has been 450 updated to support &man.netmap.4; for the T5 10G/40G 451 cards.</para> 452 453 <para revision="270509">The &man.vtnet.4; driver has been 454 updated to support &man.netmap.4;.</para> 455 456 <para revision="270514">The &man.urtwn.4; driver has been 457 updated to support the ASUS USB-AC51 wireless card.</para> 458 459 <para revision="270631">The &intel; XL710 ethernet 460 controller driver, <literal>ixlv(4)</literal>, has been 461 merged from &os;-CURRENT.</para> 462 </sect4> 463 </sect3> 464 465 <sect3 xml:id="net-proto"> 466 <title>Network Protocols</title> 467 468 <para revision="265946">Support for the UDP-Lite protocol 469 (RFC 3828) has been added to the IPv4 and IPv6 470 stacks.</para> 471 472 <para revision="267771">A bug in &man.sctp.4; that would allow 473 two listening sockets bound to the same port has been 474 fixed.</para> 475 </sect3> 476 477 <sect3 xml:id="disks"> 478 <title>Disks and Storage</title> 479 480 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 481 &man.geom.4; RAID driver has been 482 updated to support unmapped I/O.</para> 483 484 <para revision="260857">The &man.virtio_blk.4; driver has been 485 updated to support unmapped I/O.</para> 486 487 <para revision="260858">The &man.virtio_scsi.4; driver has been 488 updated to support unmapped I/O.</para> 489 490 <para revision="264522">Support for LUN-based CD changers has 491 been removed from the &man.cd.4; driver.</para> 492 493 <para revision="264734">Support for 9th generation HP host bus 494 adapter cards has been added to &man.ciss.4;.</para> 495 496 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The 497 &man.mpr.4; device has been added, 498 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA 499 controllers.</para> 500 501 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The 502 &man.mrsas.4; driver has been added, 503 providing support for LSI MegaRAID SAS controllers. The 504 &man.mfi.4; driver will attach to the controller, by default. 505 To enable &man.mrsas.4; add 506 <literal>hw.mfi.mrsas_enable=1</literal> to 507 <filename>/boot/loader.conf</filename>, which turns off 508 &man.mfi.4; device probing.</para> 509 510 <note> 511 <para>At this time, the &man.mfiutil.8; utility and 512 the &os; version of 513 <application>MegaCLI</application> and 514 <application>StorCli</application> do not work with 515 &man.mrsas.4;.</para> 516 </note> 517 518 <para revision="267084">The &man.mfi.4; driver has been 519 updated to include support for unmapped I/O.</para> 520 521 <para revision="267457">The &man.hpt27xx.4; driver has been 522 updated with various vendor-supplied bug fixes.</para> 523 524 <para revision="270130" contrib="sponsor" 525 sponsor="&citrix.rd;">Support for unmapped I/O has been added 526 to the &man.xen.4; <literal>blkfront</literal> driver.</para> 527 528 <para revision="259328" contrib="sponsor" sponsor="&ff;">The 529 &man.geom.8; <literal>label</literal> class is now aware of 530 resized partitions. This corrects an issue where 531 <command>geom resize</command> would resize the partition, 532 but the label provider in <filename 533 class="directory">/dev/gptid/</filename> would not be 534 resized.</para> 535 536 <para revision="260502">The &man.gmirror.8; 537 utility now has a <literal>resize</literal> command, making 538 it easier to resize the size of a mirror when all of its 539 components have been replaced.</para> 540 541 <para revision="262967">Support for MegaRAID Fury cards has been 542 added to the &man.mfi.4; driver.</para> 543 544 <para revision="263024">The &man.aacraid.4; driver has been 545 updated to version 3.2.5.</para> 546 547 <para revision="265536">The <literal>GEOM_VINUM</literal> option 548 is now able to be built both directly into the kernel or as 549 a &man.kldload.8; loadable module.</para> 550 551 <para revision="265912">The &man.geom.8; 552 <literal>GEOM_PART</literal> class has been updated to 553 support automatic partition resizing. Changes to the 554 partition size are not saved to disk until 555 <command>gpart commit</command> is run, and prior to saving, 556 can be reverted with <command>gpart undo</command>.</para> 557 558 <para revision="266220">The &man.geom.uncompress.4; module is 559 built by default which, similar to &man.geom.uzip.4;, 560 provides support for compressed, read-only disk 561 images.</para> 562 563 <para revision="268091">Support for the 564 <literal>disklabel64</literal> partitioning scheme has been 565 added to &man.gpart.8;.</para> 566 567 <para revision="269298">The maximum number of 568 <acronym>SCSI</acronym> ports in the &man.ctl.4; driver has 569 been increased from 32 to 128.</para> 570 571 <para revision="270552">A new &man.sysctl.8; and 572 &man.loader.8; tunable, 573 <literal>kern.geom.part.mbr.enforce_chs</literal> has been 574 added to the &man.geom.8; <literal>MBR</literal> partition 575 class. When set to a non-zero value, 576 <literal>GEOM_PART_MBR</literal> will automatically 577 recalculate the user-specified offset and size for alignment 578 with the disk geometry.</para> 579 </sect3> 580 581 <sect3 xml:id="fs"> 582 <title>File Systems</title> 583 584 <para revision="260338">The 585 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has been 586 re-enabled. On multi-CPU machines with enough RAM, this can 587 easily double &man.zfs.8; performance or reduce CPU usage in 588 half. It was originally disabled due to memory and 589 <acronym>KVA</acronym> exhaustion problem reports, which 590 should be resolved due to several change in the VM 591 subsystem.</para> 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="269946">Support for generating and compiling 949 <acronym>USDT</acronym> <application>DTrace</application> 950 probes has been improved. <application>DTrace</application> 951 <acronym>USDT</acronym> files are now handled similar to 952 &man.lex.1; and &man.yacc.1; files, meaning support for 953 handling <application>D</application> files as part of the 954 build process is built into the <literal>SRCS</literal> 955 &man.make.1; environment variable.</para> 956 957 <para revision="269968">The &man.iscsictl.8; utility has been 958 updated to include a new flag, <literal>-M</literal>, which 959 allows modifying the <acronym>iSCSI</acronym> session 960 parameters without requiring the session to be removed and 961 added back.</para> 962 963 <para revision="270043">The &man.mount.nfs.8; utility has been 964 updated to support specifying the NFS version as 965 a <literal>key=<replaceable>value</replaceable></literal> pair 966 argument to the <literal>-o</literal> flag. For example, to 967 specify NFS version 4, the syntax to use is 968 <literal>-o vers=4</literal>.</para> 969 970 <para revision="270401">Support for the <quote>account</quote> 971 facility has been added to the &man.pam.group.8; 972 module.</para> 973 974 <sect3 xml:id="rc-scripts"> 975 <title><filename>/etc/rc.d</filename> Scripts</title> 976 977 <para revision="264438">The <filename>network.subr</filename> 978 &man.rc.8; script has been updated to loosen the requirement 979 of listing network aliases in numeric order. Previously, 980 a network alias of 981 <literal>_alias<replaceable>2</replaceable></literal> 982 would not be created if 983 <literal>_alias<replaceable>1</replaceable></literal> was 984 not defined.</para> 985 986 <para revision="268098">The &man.service.8; utility has been 987 updated to check that the &man.rc.d.8; directory exists 988 before traversing the directory.</para> 989 </sect3> 990 </sect2> 991 992 <sect2 xml:id="contrib"> 993 <title>Contributed Software</title> 994 995 <para revision="263285">The &man.xz.1; utility has been updated 996 to a post-5.0.5 snapshot.</para> 997 998 <para revision="264377"><application>OpenSSH</application> has 999 been updated to version 6.6p1.</para> 1000 1001 <para revision="264911">The &man.nc.1; utility has been updated 1002 to match the version in OpenBSD 5.5.</para> 1003 1004 <para revision="266692"><application>Sendmail</application> 1005 has been updated to 8.14.9.</para> 1006 1007 <para revision="267477">The timezone database has been updated 1008 to version tzdata2014e.</para> 1009 1010 <para revision="268515">The &man.file.1; utility and 1011 &man.libmagic.3; library have been updated to 5.19.</para> 1012 1013 <para revision="268899">The &man.byacc.1; parser has been 1014 updated to version 20140422.</para> 1015 1016 <para revision="269024" contrib="sponsor" 1017 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has 1018 been updated to the r202189 snapshot.</para> 1019 1020 <para revision="269257">The &man.unbound.8; caching resolver and 1021 <literal>ldns</literal> have been updated to version 1022 1.4.22.</para> 1023 1024 <para revision="269686"><application>OpenSSL</application> has 1025 been updated to version 1.0.1i.</para> 1026 1027 <para revision="269847">The <quote>lite</quote> version of 1028 <application>Subversion</application> included in the 1029 &os; base system and its dependencies have been 1030 updated:</para> 1031 1032 <itemizedlist> 1033 <listitem> 1034 <para><application>apr</application> has been 1035 updated to version 1.5.1.</para> 1036 </listitem> 1037 1038 <listitem> 1039 <para><application>apr-util</application> has been 1040 updated to version 1.5.3.</para> 1041 </listitem> 1042 1043 <listitem> 1044 <para><application>serf</application> has been 1045 updated to version 1.3.7.</para> 1046 </listitem> 1047 1048 <listitem> 1049 <para><application>svnlite</application> has been 1050 updated to version 1.8.10.</para> 1051 </listitem> 1052 </itemizedlist> 1053 1054 <para revision="270026">The &man.nvi.1; editor has been 1055 update to version 2.1.2-c80f493b038.</para> 1056 1057 <para revision="270031">The &man.fparseln.3; library has 1058 been updated to version 1.7.</para> 1059 1060 <para revision="270415">The <application>lukemftpd</application> 1061 <acronym>FTP</acronym> server has been removed from the 1062 &os; base system.</para> 1063 </sect2> 1064 1065 <sect2 xml:id="ports"> 1066 <title>Ports/Packages Collection Infrastructure</title> 1067 1068 <para> </para> 1069 1070 </sect2> 1071 1072 <sect2 xml:id="releng"> 1073 <title>Release Engineering and Integration</title> 1074 1075 <para revision="263028">The &man.services.mkdb.8; utility has 1076 been updated to include endianness awareness, allowing the 1077 <filename>services.db</filename> database to be created as 1078 part of the release build, regardless of native- or 1079 cross-built releases.</para> 1080 </sect2> 1081 1082 <sect2 xml:id="doc"> 1083 <title>Documentation</title> 1084 1085 <para> </para> 1086 1087 </sect2> 1088 </sect1> 1089 1090 <sect1 xml:id="upgrade"> 1091 <title>Upgrading from Previous Releases of &os;</title> 1092 1093 <para arch="amd64,i386">Binary upgrades between RELEASE versions 1094 (and snapshots of the various security branches) are supported 1095 using the &man.freebsd-update.8; utility. The binary upgrade 1096 procedure will update unmodified userland utilities, as well as 1097 unmodified GENERIC or SMP kernels distributed as a part of an 1098 official &os; release. The &man.freebsd-update.8; utility 1099 requires that the host being upgraded have Internet 1100 connectivity.</para> 1101 1102 <para>Source-based upgrades (those based on recompiling the &os; 1103 base system from source code) from previous versions are 1104 supported, according to the instructions in 1105 <filename>/usr/src/UPDATING</filename>.</para> 1106 1107 <important> 1108 <para>Upgrading &os; should only be attempted after 1109 backing up <emphasis>all</emphasis> data and configuration 1110 files.</para> 1111 </important> 1112 </sect1> 1113</article> 1114