article.xml revision 270746
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 270746 2014-08-28 08:48:10Z 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; got I/O direct dispatch support. 482 When safety requirements are met, it allows to avoid passing 483 I/O requests to GEOM g_up/g_down thread, executing them directly 484 in the caller context. That allows to avoid CPU bottlenecks in 485 g_up/g_down threads, plus avoid several context switches per I/O. 486 </para> 487 488 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 489 &man.geom.4; RAID driver has been 490 updated to support unmapped I/O.</para> 491 492 <para revision="260478">The &man.geom.8; 493 <literal>GEOM_MULTIPATH</literal> class got automatic live 494 resize support.</para> 495 496 <para revision="260857">The &man.virtio_blk.4; driver has been 497 updated to support unmapped I/O.</para> 498 499 <para revision="260858">The &man.virtio_scsi.4; driver has been 500 updated to support unmapped I/O.</para> 501 502 <para revision="264522">Support for LUN-based CD changers has 503 been removed from the &man.cd.4; driver.</para> 504 505 <para revision="264734">Support for 9th generation HP host bus 506 adapter cards has been added to &man.ciss.4;.</para> 507 508 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The 509 &man.mpr.4; device has been added, 510 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA 511 controllers.</para> 512 513 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The 514 &man.mrsas.4; driver has been added, 515 providing support for LSI MegaRAID SAS controllers. The 516 &man.mfi.4; driver will attach to the controller, by default. 517 To enable &man.mrsas.4; add 518 <literal>hw.mfi.mrsas_enable=1</literal> to 519 <filename>/boot/loader.conf</filename>, which turns off 520 &man.mfi.4; device probing.</para> 521 522 <note> 523 <para>At this time, the &man.mfiutil.8; utility and 524 the &os; version of 525 <application>MegaCLI</application> and 526 <application>StorCli</application> do not work with 527 &man.mrsas.4;.</para> 528 </note> 529 530 <para revision="266608">Fixed accounting of BIO_FLUSH operation 531 in &man.geom.8; <literal>GEOM_DISK</literal> class</para> 532 533 <para revision="266610">The &man.gstat.8; 534 utility now has a <literal>-o</literal> option, to 535 display "other" operatins (e.g. BIO_FLUSH).</para> 536 537 <para revision="267084">The &man.mfi.4; driver has been 538 updated to include support for unmapped I/O.</para> 539 540 <para revision="267457">The &man.hpt27xx.4; driver has been 541 updated with various vendor-supplied bug fixes.</para> 542 543 <para revision="270130" contrib="sponsor" 544 sponsor="&citrix.rd;">Support for unmapped I/O has been added 545 to the &man.xen.4; <literal>blkfront</literal> driver.</para> 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="262967">Support for MegaRAID Fury cards has been 561 added to the &man.mfi.4; driver.</para> 562 563 <para revision="263024">The &man.aacraid.4; driver has been 564 updated to version 3.2.5.</para> 565 566 <para revision="265536">The <literal>GEOM_VINUM</literal> option 567 is now able to be built both directly into the kernel or as 568 a &man.kldload.8; loadable module.</para> 569 570 <para revision="265912">The &man.geom.8; 571 <literal>GEOM_PART</literal> class has been updated to 572 support automatic partition resizing. Changes to the 573 partition size are not saved to disk until 574 <command>gpart commit</command> is run, and prior to saving, 575 can be reverted with <command>gpart undo</command>.</para> 576 577 <para revision="266220">The &man.geom.uncompress.4; module is 578 built by default which, similar to &man.geom.uzip.4;, 579 provides support for compressed, read-only disk 580 images.</para> 581 582 <para revision="268091">Support for the 583 <literal>disklabel64</literal> partitioning scheme has been 584 added to &man.gpart.8;.</para> 585 586 <para revision="269298">The maximum number of 587 <acronym>SCSI</acronym> ports in the &man.ctl.4; driver has 588 been increased from 32 to 128.</para> 589 590 <para revision="270552">A new &man.sysctl.8; and 591 &man.loader.8; tunable, 592 <literal>kern.geom.part.mbr.enforce_chs</literal> has been 593 added to the &man.geom.8; <literal>MBR</literal> partition 594 class. When set to a non-zero value, 595 <literal>GEOM_PART_MBR</literal> will automatically 596 recalculate the user-specified offset and size for alignment 597 with the disk geometry.</para> 598 </sect3> 599 600 <sect3 xml:id="fs"> 601 <title>File Systems</title> 602 603 <para revision="260338">The 604 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has been 605 re-enabled. On multi-CPU machines with enough RAM, this can 606 easily double &man.zfs.8; performance or reduce CPU usage in 607 half. It was originally disabled due to memory and 608 <acronym>KVA</acronym> exhaustion problem reports, which 609 should be resolved due to several change in the VM 610 subsystem.</para> 611 612 <para revision="260178" contrib="vendor" 613 vendor="&netflix;">A new flag, <literal>-R</literal>, 614 has been added to the &man.fsck.ffs.8; utility. When used, 615 &man.fsck.ffs.8; will restart itself when too many critical 616 errors have been detected.</para> 617 618 <para revision="263407">The &man.zfs.8; filesystem has been 619 updated to implement <quote>bookmarks</quote>. See 620 &man.zfs.8; for further details.</para> 621 622 <para revision="266122">The &man.zfs.8; filesystem has been 623 updated to allow tuning the minimum <quote>ashift</quote> 624 value when creating new top-level virtual devices (vdevs). 625 To set the minimum ashift value, for example when creating 626 a &man.zpool.8; on <quote>Advanced Format</quote> drives, 627 set the <literal>vfs.zfs.min_auto_ashift</literal> 628 &man.sysctl.8; accordingly.</para> 629 630 <para revision="266612">The <literal>libzfs</literal> thread 631 pool <acronym>API</acronym> has been imported from 632 OpenSolaris, and adapted for &os;. This change allows 633 parallel disk scanning, which can reduce &man.zpool.8; 634 overall import time in some workloads.</para> 635 636 <para revision="269651">The &man.restore.8; utility has been 637 updated to prevent assertion failures when restoring 638 a <acronym>UFS</acronym> filesystem dump to 639 a <acronym>ZFS</acronym> filesystem by writing restored 640 files in block sizes that are a multiple of 1024.</para> 641 642 <para revision="269774">Two &man.sysctl.8;s have been added 643 to the &man.zfs.8; filesystem:</para> 644 645 <itemizedlist> 646 <listitem> 647 <para> 648 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The 649 percentage of the metaslab group size that should be 650 considered eligible for allocation, unless all metaslab 651 groups within the metaslab class have also crossed this 652 threshold.</para> 653 </listitem> 654 655 <listitem> 656 <para> 657 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The 658 maximum percentage of metaslab fragmentation level to 659 keep their active state</para> 660 </listitem> 661 </itemizedlist> 662 663 <para revision="269846">The default &man.zfs.8; 664 <acronym>ARC</acronym> hash table size has been increased, 665 and a new &man.loader.8; tunable, 666 <literal>vfs.zfs.arc_average_blocksize</literal>, has been 667 added. Previously, the hash table could be too small, which 668 would lead to long hash chains and limit performance for 669 cached reads. The 670 <literal>vfs.zfs.arc_average_blocksize</literal> tunable 671 allows overriding the default block size. The previous 672 default was 65536, and default of the new &man.loader.8; 673 tunable is 8192.</para> 674 675 <para revision="270157">The Fast File System 676 (<acronym>FFS</acronym>) has been updated to support 677 multi-threaded soft updates. Previously, soft updates were 678 handled by a single thread, and as of this change, now have 679 one thread per <acronym>FFS</acronym> mountpoint.</para> 680 </sect3> 681 </sect2> 682 683 <sect2 xml:id="userland"> 684 <title>Userland Changes</title> 685 686 <para revision="260177" contrib="sponsor" 687 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;, 688 <literal>-b</literal>, which outputs the existing buses and 689 their parents.</para> 690 691 <para revision="262075">The &man.newsyslog.8; utility has been 692 updated to rotate files based on the actual file size instead 693 of the blocks on disk. This matches the behavior documented 694 in &man.newsyslog.conf.5;.</para> 695 696 <para revision="262384">The location of the &man.rctl.8; 697 configuration file can now be overridden in &man.rc.conf.5;. 698 To use a non-default location, set 699 <literal>rctl_rules</literal> in &man.rc.conf.5; to the 700 location of the file.</para> 701 702 <para revision="262855">The <application>ATF</application> test 703 suite has been updated to version 0.20.</para> 704 705 <para revision="263019">The <literal>libucl</literal> library 706 (Unified Configuration Library) has been merged from 707 &os;-CURRENT.</para> 708 709 <para revision="263020">The &man.pkg.7; bootstrapping utility 710 has been synced with the version in &os;-CURRENT.</para> 711 712 <para revision="263403">The &man.zfs.8; userland utility has 713 been updated to include aliases for 714 <command>snapshot</command>, which allows use of <command>zfs 715 list -t snap</command> and <command>zfs 716 snap</command>.</para> 717 718 <para revision="263405">The &man.zfs.8; userland utility has 719 been updated to include a new flag to <command>zfs 720 list</command>, <literal>-p</literal>, which when specified, 721 prints the output in a parsable format.</para> 722 723 <para revision="263783">The Blowfish password format 724 implementation updated. Support for $2b$ has 725 been added, allowing use of passwords greater than 256 726 characters long.</para> 727 728 <para revision="264497">The &man.iconv.3; library has been 729 updated to match NetBSD, providing several bug fixes.</para> 730 731 <para revision="265265">The &man.date.1; utility has been 732 updated to include a new flag, <literal>-R</literal>, which 733 prints the date and time output as specified in RFC 734 2822.</para> 735 736 <para revision="265533">The &man.bc.1; utility has been updated 737 to version 1.1, in sync with the version in OpenBSD.</para> 738 739 <para revision="265604" contrib="vendor" 740 vendor="&netflix;">The &man.pmcstat.8; utility has been 741 updated to include a new flag, <literal>-a</literal>, which 742 when specified, produces a full stack track on the sampled 743 points.</para> 744 745 <para revision="265701">The &man.netstat.8; and &man.route.8; 746 utilities have been updated to include a shorthand equivalent 747 to the <literal>-f inet</literal> and <literal>-f 748 inet6</literal> address specifiers, <literal>-4</literal> 749 and <literal>-6</literal>, respectively.</para> 750 751 <para revision="265879">The &man.crypt.3; library now defaults 752 to SHA512 for password hashing.</para> 753 754 <para revision="266014">The &man.gvinum.8; utility has been 755 updated to allow forceful configuration reset with the 756 <literal>-f</literal> flag. Additionally, a bug that would 757 prevent <literal>-f</literal> from properly creating 758 a &man.gvinum.8; configuration has been fixed.</para> 759 760 <para revision="266029">The &man.login.conf.5; file now takes 761 precedence over the shell-specific environment files. In 762 particular, the <literal>PATH</literal>, 763 <literal>BLOCKSIZE</literal> variables are commented from 764 <filename>/usr/share/skel/dot.profile</filename>, and the 765 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and 766 <literal>umask</literal> variables have been commented from 767 <filename>/usr/share/skel/dot.cshrc</filename>.</para> 768 769 <para revision="266272">The &man.binmiscctl.8; userland utility 770 and related image activator features have been merged from 771 &os;-CURRENT.</para> 772 773 <para revision="266279">The &man.ps.1; utility has been 774 updated to include the <literal>-J</literal> flag, used to 775 filter output by matching &man.jail.8; IDs and names. 776 Additionally, argument <literal>0</literal> can be used to 777 <literal>-J</literal> to only list processes running on the 778 host system.</para> 779 780 <para revision="266280">The &man.top.1; utility has been updated 781 to filter by &man.jail.8; ID or name, in followup to the 782 &man.ps.1; change in <literal>r265229</literal>.</para> 783 784 <para revision="266610">The &man.gstat.8; utility has been 785 updated to include a new flag, <literal>-o</literal>. When 786 set, &man.gstat.8; will display statistics for operations 787 such as <literal>BIO_FLUSH</literal>.</para> 788 789 <para revision="266632">The &man.fetch.3; library has been 790 updated to look for root <acronym>SSL</acronym> certificates 791 in <filename class="directory">/usr/local/etc/ssl/</filename> 792 before <filename 793 class="directory">/etc/ssl/</filename>.</para> 794 795 <para revision="266715">The &man.clang.1;/llvm suite has been 796 updated to version 3.4.1.</para> 797 798 <para revision="266816">The Blowfish password format 799 has been changed to $2b$ by default.</para> 800 801 <para revision="266888">The amount of data collected for 802 &man.hwpmc.4; has been updated to work with modern processors 803 and larger amounts of available memory.</para> 804 805 <para revision="266890">The &man.pmcstat.8; utility has been 806 updated to include a new flag, <literal>-l</literal>, which 807 ends event collection after the specified number of 808 seconds.</para> 809 810 <para revision="266953">The &man.mergemaster.8; utility has 811 been updated to avoid printing 812 <quote><filename>/var/tmp/temproot</filename> 813 disappeared</quote> if there is nothing to compare.</para> 814 815 <para revision="267056">The &os; installer, &man.bsdinstall.8;, 816 has been updated to include optional 817 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap 818 devices when installing onto a full &man.zfs.8; filesystem. 819 Additionally, the parent &man.zfs.8; dataset is now configured 820 with <literal>lz4</literal> compression enabled.</para> 821 822 <para revision="267113">The default &man.newsyslog.conf.5; now 823 includes files in the 824 <filename>/etc/newsyslog.conf.d/</filename> and 825 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 826 directories by default for &man.newsyslog.8;.</para> 827 828 <para revision="267161">The &man.realpath.1; utility has been 829 updated to return <literal>ENOTDIR</literal> on paths 830 components <quote>.</quote> and <quote>..</quote> that are 831 not directories, such as <filename 832 class="directory">/dev/null/.</filename> or <filename 833 class="directory">/dev/null/..</filename>.</para> 834 835 <para revision="267236">A new flag, <quote>onifconsole</quote> 836 has been added to <filename>/etc/ttys</filename>. This allows 837 the system to provide a login prompt via serial console if the 838 device is an active kernel console, otherwise it is equivalent 839 to <literal>off</literal>.</para> 840 841 <para revision="267341">Support for legacy 842 <acronym>PCI</acronym> devices has been removed from 843 &man.bhyve.8;.</para> 844 845 <para revision="267450">The &man.bhyve.8; userland utility 846 has been updated to include SMBIOS support. A new flag has 847 been added, <literal>-U</literal>, which allows specifying the 848 UUID of the guest in the System Information structure.</para> 849 850 <para revision="267734">The &os; Project has migrated 851 from the <application>GNATS</application> bug tracking system 852 to <application>Bugzilla</application>. The &man.send-pr.1; 853 utility used for submitting problem reports has been replaced 854 with a stub shell script that instructs to use the Bugzilla 855 web interface.</para> 856 857 <para revision="267747">The &man.patch.1; utility has been 858 updated to include a <literal>--dry-run</literal> flag, which 859 is equivalent to <literal>--check</literal> and 860 <literal>-C</literal>.</para> 861 862 <para revision="267878">A bug in &man.bsdgrep.1; that would 863 prevent patterns from being matched under certain conditions 864 has been fixed.</para> 865 866 <para revision="267979">The &man.procstat.1; utility has been 867 updated to include two new flags, <literal>-r</literal> and 868 <literal>-H</literal>. When <literal>-r</literal> is 869 specified, &man.procstat.1; will print current resource usage 870 about the process(es). When <literal>-H</literal> is 871 specified, &man.procstat.1; will print information about 872 threads rather than the process(es).</para> 873 874 <note> 875 <para>The <literal>-H</literal> flag is currently only used 876 with <literal>-r</literal> to display resource usage for 877 individual threads, rather than the entire process.</para> 878 </note> 879 880 <para revision="268019">The &man.sed.1; utility has been 881 updated to include a new flag, <literal>-u</literal>, which 882 enables unbuffered output when specified.</para> 883 884 <para revision="268161">The &man.mkimg.1; utility has been 885 merged from &os;-CURRENT.</para> 886 887 <para revision="268700">The &man.camcontrol.8; has been updated 888 to include a new <literal>persist</literal> command, which 889 allows issuing <command>SCSI PERSISTENT RESERVE IN</command> 890 and <command>SCSI PERSISTENT RESERVE OUT</command>.</para> 891 892 <para revision="268791">The &man.gstat.8; utility has been 893 updated to include a new flag, <literal>-p</literal>, which 894 displays only physical providers when specified.</para> 895 896 <para revision="268903">The &man.kldstat.8; utility has been 897 updated to allow <literal>-q</literal> to be specified when 898 also specifying <literal>-n 899 <replaceable>module.ko</replaceable></literal>.</para> 900 901 <para revision="269177">The &man.mkimg.1; utility has been 902 updated to include support for both fixed- and 903 dynamically-allocated images for the <acronym>VHD</acronym> 904 and <acronym>VMDK</acronym> formats.</para> 905 906 <para revision="269220">The &man.random.4; entropy collection 907 script, <filename>/usr/libexec/save-entropy</filename>, no 908 longer runs within &man.jail.8; environments.</para> 909 910 <para revision="269397">The &man.bhyve.8; wrapper script, 911 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>, 912 has been synced with &os;-CURRENT.</para> 913 914 <para>This update includes:</para> 915 916 <itemizedlist> 917 <listitem> 918 <para>A new flag, <literal>-e</literal>, has been added, 919 which is used to set &man.loader.8; environment 920 variables.</para> 921 </listitem> 922 923 <listitem> 924 <para>A new flag, <literal>-C</literal>, has been added, 925 which is used to specify the guest console device.</para> 926 </listitem> 927 928 <listitem> 929 <para>A new flag, <literal>-H</literal>, has been added, 930 which is used to pass the host path to 931 &man.bhyveload.8;.</para> 932 </listitem> 933 934 <listitem> 935 <para>Support for multiple disk and &man.tap.4; devices 936 has been added.</para> 937 </listitem> 938 939 <listitem> 940 <para>The <literal>-I</literal> flag has been 941 removed.</para> 942 </listitem> 943 </itemizedlist> 944 945 <para revision="269398">The &man.nfsd.8; server update to 4.1 946 has merged from &os;-CURRENT.</para> 947 948 <para revision="269432" arch="ia64">The serial terminals 949 <filename>ttyu0</filename> and <filename>ttyu1</filename> have 950 been updated to <literal>onifconsole</literal> by default in 951 &man.ttys.5;, which either can be the serial console, 952 depending on the platform.</para> 953 954 <para revision="269800">The &man.ping6.8; utility has been 955 updated to reset <literal>itimer</literal> when the maximum 956 number of packets to send have been reached. This prevents 957 &man.ping6.8; from exiting when the interval in set to a small 958 value and a low number of packets to send has been 959 specified.</para> 960 961 <para revision="269805">The &man.jail.8; utility has been 962 updated to support extra &man.ifconfig.8; arguments for the 963 <literal>ip4.addr</literal> and <literal>ip6.addr</literal> 964 parameters. This change allows &man.carp.4; interfaces to 965 be used within the &man.jail.8;.</para> 966 967 <para revision="269946">Support for generating and compiling 968 <acronym>USDT</acronym> <application>DTrace</application> 969 probes has been improved. <application>DTrace</application> 970 <acronym>USDT</acronym> files are now handled similar to 971 &man.lex.1; and &man.yacc.1; files, meaning support for 972 handling <application>D</application> files as part of the 973 build process is built into the <literal>SRCS</literal> 974 &man.make.1; environment variable.</para> 975 976 <para revision="269968">The &man.iscsictl.8; utility has been 977 updated to include a new flag, <literal>-M</literal>, which 978 allows modifying the <acronym>iSCSI</acronym> session 979 parameters without requiring the session to be removed and 980 added back.</para> 981 982 <para revision="270043">The &man.mount.nfs.8; utility has been 983 updated to support specifying the NFS version as 984 a <literal>key=<replaceable>value</replaceable></literal> pair 985 argument to the <literal>-o</literal> flag. For example, to 986 specify NFS version 4, the syntax to use is 987 <literal>-o vers=4</literal>.</para> 988 989 <para revision="270401">Support for the <quote>account</quote> 990 facility has been added to the &man.pam.group.8; 991 module.</para> 992 993 <sect3 xml:id="rc-scripts"> 994 <title><filename>/etc/rc.d</filename> Scripts</title> 995 996 <para revision="264438">The <filename>network.subr</filename> 997 &man.rc.8; script has been updated to loosen the requirement 998 of listing network aliases in numeric order. Previously, 999 a network alias of 1000 <literal>_alias<replaceable>2</replaceable></literal> 1001 would not be created if 1002 <literal>_alias<replaceable>1</replaceable></literal> was 1003 not defined.</para> 1004 1005 <para revision="268098">The &man.service.8; utility has been 1006 updated to check that the &man.rc.d.8; directory exists 1007 before traversing the directory.</para> 1008 </sect3> 1009 </sect2> 1010 1011 <sect2 xml:id="contrib"> 1012 <title>Contributed Software</title> 1013 1014 <para revision="263285">The &man.xz.1; utility has been updated 1015 to a post-5.0.5 snapshot.</para> 1016 1017 <para revision="264377"><application>OpenSSH</application> has 1018 been updated to version 6.6p1.</para> 1019 1020 <para revision="264911">The &man.nc.1; utility has been updated 1021 to match the version in OpenBSD 5.5.</para> 1022 1023 <para revision="266692"><application>Sendmail</application> 1024 has been updated to 8.14.9.</para> 1025 1026 <para revision="267477">The timezone database has been updated 1027 to version tzdata2014e.</para> 1028 1029 <para revision="268515">The &man.file.1; utility and 1030 &man.libmagic.3; library have been updated to 5.19.</para> 1031 1032 <para revision="268899">The &man.byacc.1; parser has been 1033 updated to version 20140422.</para> 1034 1035 <para revision="269024" contrib="sponsor" 1036 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has 1037 been updated to the r202189 snapshot.</para> 1038 1039 <para revision="269257">The &man.unbound.8; caching resolver and 1040 <literal>ldns</literal> have been updated to version 1041 1.4.22.</para> 1042 1043 <para revision="269686"><application>OpenSSL</application> has 1044 been updated to version 1.0.1i.</para> 1045 1046 <para revision="269847">The <quote>lite</quote> version of 1047 <application>Subversion</application> included in the 1048 &os; base system and its dependencies have been 1049 updated:</para> 1050 1051 <itemizedlist> 1052 <listitem> 1053 <para><application>apr</application> has been 1054 updated to version 1.5.1.</para> 1055 </listitem> 1056 1057 <listitem> 1058 <para><application>apr-util</application> has been 1059 updated to version 1.5.3.</para> 1060 </listitem> 1061 1062 <listitem> 1063 <para><application>serf</application> has been 1064 updated to version 1.3.7.</para> 1065 </listitem> 1066 1067 <listitem> 1068 <para><application>svnlite</application> has been 1069 updated to version 1.8.10.</para> 1070 </listitem> 1071 </itemizedlist> 1072 1073 <para revision="270026">The &man.nvi.1; editor has been 1074 update to version 2.1.2-c80f493b038.</para> 1075 1076 <para revision="270031">The &man.fparseln.3; library has 1077 been updated to version 1.7.</para> 1078 1079 <para revision="270415">The <application>lukemftpd</application> 1080 <acronym>FTP</acronym> server has been removed from the 1081 &os; base system.</para> 1082 </sect2> 1083 1084 <sect2 xml:id="ports"> 1085 <title>Ports/Packages Collection Infrastructure</title> 1086 1087 <para> </para> 1088 1089 </sect2> 1090 1091 <sect2 xml:id="releng"> 1092 <title>Release Engineering and Integration</title> 1093 1094 <para revision="263028">The &man.services.mkdb.8; utility has 1095 been updated to include endianness awareness, allowing the 1096 <filename>services.db</filename> database to be created as 1097 part of the release build, regardless of native- or 1098 cross-built releases.</para> 1099 </sect2> 1100 1101 <sect2 xml:id="doc"> 1102 <title>Documentation</title> 1103 1104 <para> </para> 1105 1106 </sect2> 1107 </sect1> 1108 1109 <sect1 xml:id="upgrade"> 1110 <title>Upgrading from Previous Releases of &os;</title> 1111 1112 <para arch="amd64,i386">Binary upgrades between RELEASE versions 1113 (and snapshots of the various security branches) are supported 1114 using the &man.freebsd-update.8; utility. The binary upgrade 1115 procedure will update unmodified userland utilities, as well as 1116 unmodified GENERIC or SMP kernels distributed as a part of an 1117 official &os; release. The &man.freebsd-update.8; utility 1118 requires that the host being upgraded have Internet 1119 connectivity.</para> 1120 1121 <para>Source-based upgrades (those based on recompiling the &os; 1122 base system from source code) from previous versions are 1123 supported, according to the instructions in 1124 <filename>/usr/src/UPDATING</filename>.</para> 1125 1126 <important> 1127 <para>Upgrading &os; should only be attempted after 1128 backing up <emphasis>all</emphasis> data and configuration 1129 files.</para> 1130 </important> 1131 </sect1> 1132</article> 1133