article.xml revision 270638
1261287Sdes<?xml version="1.0" encoding="iso-8859-1"?> 2261287Sdes<!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN" 3261287Sdes "../../../share/xml/freebsd50.dtd" [ 4261287Sdes<!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent"> 5261287Sdes %release; 6261287Sdes<!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent"> 7261287Sdes %sponsor; 8261287Sdes<!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent"> 9261287Sdes %vendor; 10261287Sdes]> 11261287Sdes<article xmlns="http://docbook.org/ns/docbook" 12261287Sdes xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"> 13261287Sdes 14261287Sdes <info> 15261287Sdes <title>&os; &release.current; Release Notes</title> 16261287Sdes 17261287Sdes <author> 18264377Sdes <orgname>The &os; Project</orgname> 19261287Sdes </author> 20261287Sdes 21261287Sdes <pubdate>$FreeBSD: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 270638 2014-08-25 22:20:00Z gjb $</pubdate> 22261287Sdes 23261287Sdes <copyright> 24261287Sdes <year>2000</year> 25261287Sdes <year>2001</year> 26261287Sdes <year>2002</year> 27261287Sdes <year>2003</year> 28261287Sdes <year>2004</year> 29261287Sdes <year>2005</year> 30261287Sdes <year>2006</year> 31261287Sdes <year>2007</year> 32261287Sdes <year>2008</year> 33261287Sdes <year>2009</year> 34261287Sdes <year>2010</year> 35261287Sdes <year>2011</year> 36261287Sdes <year>2012</year> 37261287Sdes <year>2013</year> 38261287Sdes <year>2014</year> 39261287Sdes <holder role="mailto:doc@FreeBSD.org">The &os; Documentation 40261287Sdes Project</holder> 41261287Sdes </copyright> 42261287Sdes 43261287Sdes <legalnotice xml:id="trademarks" role="trademarks"> 44261287Sdes &tm-attrib.freebsd; 45261287Sdes &tm-attrib.ibm; 46261287Sdes &tm-attrib.ieee; 47261287Sdes &tm-attrib.intel; 48261287Sdes &tm-attrib.sparc; 49261287Sdes &tm-attrib.general; 50261287Sdes </legalnotice> 51261287Sdes 52261287Sdes <abstract> 53261287Sdes <para>The release notes for &os; &release.current; contain 54261287Sdes a summary of the changes made to the &os; base system on the 55261287Sdes &release.branch; development line. This document lists 56261287Sdes applicable security advisories that were issued since the last 57261287Sdes release, as well as significant changes to the &os; kernel and 58261287Sdes userland. Some brief remarks on upgrading are also 59261287Sdes presented.</para> 60261287Sdes </abstract> 61261287Sdes </info> 62261287Sdes 63261287Sdes <sect1 xml:id="intro"> 64261287Sdes <title>Introduction</title> 65261287Sdes 66261287Sdes <para>This document contains the release notes for &os; 67261287Sdes &release.current;. It describes recently added, changed, or 68261287Sdes deleted features of &os;. It also provides some notes on 69261287Sdes upgrading from previous versions of &os;.</para> 70261287Sdes 71261287Sdes <para releasetype="current">The &release.type; distribution to 72261287Sdes which these release notes apply represents the latest point 73261287Sdes along the &release.branch; development branch since 74261287Sdes &release.branch; was created. Information regarding pre-built, 75261287Sdes binary &release.type; distributions along this branch can be 76261287Sdes found at <uri 77261287Sdes xlink:href="&release.url;">&release.url;</uri>.</para> 78261287Sdes 79261287Sdes <para releasetype="snapshot">The &release.type; distribution to 80261287Sdes which these release notes apply represents a point along the 81261287Sdes &release.branch; development branch between &release.prev; and 82261287Sdes the future &release.next;. Information regarding pre-built, 83261287Sdes binary &release.type; distributions along this branch can be 84261287Sdes found at <uri 85261287Sdes xlink:href="&release.url;">&release.url;</uri>.</para> 86261287Sdes 87261287Sdes <para releasetype="release">This distribution of &os; 88261287Sdes &release.current; is a &release.type; distribution. It can be 89261287Sdes found at <uri xlink:href="&release.url;">&release.url;</uri> or 90261287Sdes any of its mirrors. More information on obtaining this (or 91261287Sdes other) &release.type; distributions of &os; can be found in the 92261287Sdes <link 93261287Sdes xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining 94261287Sdes &os;</quote> appendix</link> to the <link 95261287Sdes xlink:href="&url.books.handbook;/">&os; 96261287Sdes Handbook</link>.</para> 97261287Sdes 98264377Sdes <para>All users are encouraged to consult the release errata 99262718Sdelphij before installing &os;. The errata document is updated with 100261287Sdes <quote>late-breaking</quote> information discovered late in the 101261287Sdes release cycle or after the release. Typically, it contains 102264377Sdes information on known bugs, security advisories, and corrections 103262718Sdelphij to documentation. An up-to-date copy of the errata for &os; 104261287Sdes &release.current; can be found on the &os; Web site.</para> 105261287Sdes </sect1> 106261287Sdes 107261287Sdes <sect1 xml:id="new"> 108261287Sdes <title>What's New</title> 109261287Sdes 110261287Sdes <para>This section describes the most user-visible new or changed 111261287Sdes features in &os; since &release.prev;.</para> 112261287Sdes 113261287Sdes <para>Typical release note items document recent security 114261287Sdes advisories issued after &release.prev;, new drivers or hardware 115261287Sdes support, new commands or options, major bug fixes, or 116261287Sdes contributed software upgrades. They may also list changes to 117261287Sdes major ports/packages or release engineering practices. Clearly 118261287Sdes the release notes cannot list every single change made to &os; 119261287Sdes between releases; this document focuses primarily on security 120261287Sdes advisories, user-visible changes, and major architectural 121261287Sdes improvements.</para> 122261287Sdes 123261287Sdes <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 <sect3 xml:id="kernel-virtualization"> 261 <title>Virtualization Support</title> 262 263 <para revision="259450">Support for µsoft; Hyper-V 264 has been added to &os;/i386 as loadable modules, however 265 not available in the <filename>GENERIC</filename> kernel 266 configuration.</para> 267 268 <para revision="261090">The &man.bhyve.4; hypervisor now 269 supports soft power-off functionality via the ACPI S5 270 state.</para> 271 272 <para revision="267399">Support for &os;/i386 guests has been 273 added to &man.bhyve.4;.</para> 274 275 <para revision="267427">Support for virtualized 276 <literal>XSAVE</literal> has been added to &man.bhyve.4;, 277 allowing guest operating systems to use 278 <literal>XSAVE</literal> and 279 <literal>XSAVE</literal>-enabled features, such as 280 <acronym>AVX</acronym>.</para> 281 282 <para revision="268932">The &man.bhyve.4; hypervisor now 283 supports booting from a &man.zfs.8; filesystem.</para> 284 285 <para revision="268933">A new driver, &man.virtio_random.4;, 286 has been added, which allows &os; virtual machines to 287 harvest entropy from the hypervisor.</para> 288 289 <para revision="270159">The &man.bhyve.4; hypervisor has been 290 synced with the version in &os;-CURRENT.</para> 291 292 <para>A number of enhancements have been added, and several 293 bug fixes, including:</para> 294 295 <itemizedlist> 296 <listitem> 297 <para>Post-mortem debugging has been added when 298 a guest virtual machine exits with an <quote> 299 <acronym>EPT</acronym> Misconfiguration</quote> 300 error.</para> 301 </listitem> 302 303 <listitem> 304 <para>The hypervisor &man.virtio.4; <acronym>API</acronym> 305 has been expanded from 32- to 64-bit.</para> 306 </listitem> 307 308 <listitem> 309 <para>Support for identifying capabilities of the virtual 310 <acronym>CPU</acronym> has been added.</para> 311 </listitem> 312 313 <listitem> 314 <para>Support for emulating legacy x86 task 315 switching has been added.</para> 316 </listitem> 317 318 <listitem> 319 <para>Support to list the VT-x features in base kernel 320 &man.dmesg.8; has been added.</para> 321 </listitem> 322 323 <listitem> 324 <para>Support for extended PCI configuration space 325 has been added.</para> 326 </listitem> 327 </itemizedlist> 328 </sect3> 329 330 <sect3 xml:id="kernel-arm"> 331 <title>ARM Support</title> 332 333 <para revision="259355">The <filename>WANDBOARD</filename> 334 kernel configuration file has been added.</para> 335 336 <para revision="265067">Boot devices may now be specified by 337 setting a u-boot environment variable. If a boot device is 338 not specified, the probe mechanism will be used. To specify 339 the boot device, set the 340 <literal>loaderdev=<replaceable>device</replaceable></literal> 341 u-boot environment variable.</para> 342 343 <para revision="266000">The <literal>nexus(4)</literal> driver 344 has been updated to include <quote>Flattened Device 345 Tree</quote> support, replacing the &man.fdtbus.4; driver 346 in most cases.</para> 347 348 <para revision="266105">The &man.gpioiic.4; and 349 &man.gpioled.4; have been merged from &os;-CURRENT.</para> 350 351 <para revision="266379">The <literal>ZEDBOARD</literal> kernel 352 configuration file has been updated to include 353 <acronym>SMP</acronym> support.</para> 354 </sect3> 355 356 <sect3 xml:id="boot"> 357 <title>Boot Loader Changes</title> 358 359 <para revision="262701">A kernel selection menu has been added 360 to &man.loader.8;. If the <quote>beastie menu</quote> is 361 enabled, the kernel to boot may be selected from the kernel 362 selection menu. Additional kernels may be listed in 363 &man.loader.conf.5; as a comma- or space-separated list. By 364 default, <literal>kernel</literal> and 365 <literal>kernel.old</literal> are listed.</para> 366 </sect3> 367 368 <sect3 xml:id="proc"> 369 <title>Hardware Support</title> 370 371 <para> </para> 372 373 <sect4 xml:id="mm"> 374 <title>Multimedia Support</title> 375 376 <para> </para> 377 378 </sect4> 379 380 <sect4 xml:id="net-if"> 381 <title>Network Interface Support</title> 382 383 <para revision="259453">Support for Ralink RT5370 and 384 RT5372 chipsets has been added to the &man.run.4; 385 driver.</para> 386 387 <para revision="260120">Firmware for the &man.run.4; driver 388 has been updated to version 0.33.</para> 389 390 <para revision="261868">Support for the Ralink RT3593 391 chipset has been added to the &man.run.4; driver.</para> 392 393 <para revision="261972">The &man.nve.4; driver is now 394 deprecated, and the &man.nfe.4; driver should be used 395 instead.</para> 396 397 <para revision="262137">Support for the &man.axge.4; driver 398 has been added. This driver supports the ASIX AX88178A 399 and AX88179 USB ethernet adapters. The AX88178A supports 400 USB 2.0, and the AX88179 supports USB 2.0 and 3.0.</para> 401 402 <para revision="262363">The &man.urndis.4; driver has been 403 imported from OpenBSD.</para> 404 405 <para revision="264866">Support for multiple 406 transmitter/receiver queues has been added to the 407 &man.vmx.4; driver.</para> 408 409 <note> 410 <para>The &os; guest operating system must have 411 <acronym>MSIX</acronym> enabled as a prerequisite for 412 multiple queues.</para> 413 </note> 414 415 <para revision="265345">Support for the ASUS USB-N10 Nano 416 wireless card has been added to the &man.urtwn.4; 417 driver.</para> 418 419 <para revision="266212">Transmission checksum offloading has 420 been disabled for the RTL8168C and RTL8168CP chipsets in 421 the &man.re.4; driver for TCP and UDP frames. This is 422 due to a report of UDP datagrams with IP options 423 generating corrupt frames.</para> 424 425 <para revision="266578">Preliminary support has been added 426 to the &man.urtwn.4; driver for the Realtek RTL8188EUS and 427 RTL8188ETV chipsets.</para> 428 429 <para revision="267694">A bug in the fast receiver buffer 430 recycle path has been fixed in the &man.cxgbe.4; 431 driver.</para> 432 433 <para revision="267849" contrib="vendor" 434 vendor="&chelsio;">The bundled &man.cxgbe.4; firmware for 435 T4 and T5 cards has been updated to version 436 1.11.27.0.</para> 437 438 <para revision="269196">The &man.em.4; driver has been 439 updated to version 7.4.2.</para> 440 441 <para revision="269975">The &man.ixgbe.4; tunables have been 442 renamed to match their &man.sysctl.8; counterparts:</para> 443 444 <informaltable frame="none" pgwide="0"> 445 <tgroup cols="2"> 446 <colspec colwidth="1*"/> 447 <colspec colwidth="1*"/> 448 <thead> 449 <row> 450 <entry>Old Name</entry> 451 <entry>New Name</entry> 452 </row> 453 </thead> 454 455 <tbody> 456 <row> 457 <entry><literal>hw.ixgbe.enable_aim</literal></entry> 458 <entry><literal>hw.ix.enable_aim</literal></entry> 459 </row> 460 461 <row> 462 <entry><literal>hw.ixgbe.max_interrupt_rate</literal></entry> 463 <entry><literal>hw.ix.max_interrupt_rate</literal></entry> 464 </row> 465 466 <row> 467 <entry><literal>hw.ixgbe.rx_process_limit</literal></entry> 468 <entry><literal>hw.ix.rx_process_limit</literal></entry> 469 </row> 470 471 <row> 472 <entry><literal>hw.ixgbe.tx_process_limit</literal></entry> 473 <entry><literal>hw.ix.tx_process_limit</literal></entry> 474 </row> 475 476 <row> 477 <entry><literal>hw.ixgbe.enable_msix</literal></entry> 478 <entry><literal>hw.ix.enable_msix</literal></entry> 479 </row> 480 481 <row> 482 <entry><literal>hw.ixgbe.num_queues</literal></entry> 483 <entry><literal>hw.ix.num_queues</literal></entry> 484 </row> 485 486 <row> 487 <entry><literal>hw.ixgbe.txd</literal></entry> 488 <entry><literal>hw.ix.txd</literal></entry> 489 </row> 490 491 <row> 492 <entry><literal>hw.ixgbe.rxd</literal></entry> 493 <entry><literal>hw.ix.rxd</literal></entry> 494 </row> 495 496 <row> 497 <entry><literal>hw.ixgbe.unsupported_sfp</literal></entry> 498 <entry><literal>hw.ix.unsupported_sfp</literal></entry> 499 </row> 500 </tbody> 501 </tgroup> 502 </informaltable> 503 504 <para>Be sure to update &man.loader.conf.5; if using the 505 old tunables before upgrading to 506 &os; &release.current;.</para> 507 508 <para revision="270061">The &man.if.nf10bmac.4; driver has 509 been merged from &os;-CURRENT to support the NetFPGA-10G 510 Embedded CPU Ethernet Core.</para> 511 512 <para revision="270297">The &man.cxgbe.4; driver has been 513 updated to support &man.netmap.4; for the T5 10G/40G 514 cards.</para> 515 516 <para revision="270509">The &man.vtnet.4; driver has been 517 updated to support &man.netmap.4;.</para> 518 519 <para revision="270514">The &man.urtwn.4; driver has been 520 updated to support the ASUS USB-AC51 wireless card.</para> 521 </sect4> 522 </sect3> 523 524 <sect3 xml:id="net-proto"> 525 <title>Network Protocols</title> 526 527 <para revision="265946">Support for the UDP-Lite protocol 528 (RFC 3828) has been added to the IPv4 and IPv6 529 stacks.</para> 530 531 <para revision="267771">A bug in &man.sctp.4; that would allow 532 two listening sockets bound to the same port has been 533 fixed.</para> 534 </sect3> 535 536 <sect3 xml:id="disks"> 537 <title>Disks and Storage</title> 538 539 <para revision="259328" contrib="sponsor" sponsor="&ff;">The 540 &man.geom.8; <literal>label</literal> class is now aware of 541 resized partitions. This corrects an issue where 542 <command>geom resize</command> would resize the partition, 543 but the label provider in <filename 544 class="directory">/dev/gptid/</filename> would not be 545 resized.</para> 546 547 <para revision="260502">The &man.gmirror.8; 548 utility now has a <literal>resize</literal> command, making 549 it easier to resize the size of a mirror when all of its 550 components have been replaced.</para> 551 552 <para revision="265912">The &man.geom.8; 553 <literal>GEOM_PART</literal> class has been updated to 554 support automatic partition resizing. Changes to the 555 partition size are not saved to disk until 556 <command>gpart commit</command> is run, and prior to saving, 557 can be reverted with <command>gpart undo</command>.</para> 558 559 <para revision="268091">Support for the 560 <literal>disklabel64</literal> partitioning scheme has been 561 added to &man.gpart.8;.</para> 562 563 <para revision="266594">The <literal>radeonkms(4)</literal> 564 driver has been updated to include 32-bit &man.ioctl.2; 565 support, allowing 32-bit applications to run on a 64-bit 566 system.</para> 567 568 <para revision="269298">The maximum number of 569 <acronym>SCSI</acronym> ports in the &man.ctl.4; driver has 570 been increased from 32 to 128.</para> 571 </sect3> 572 573 <sect3 xml:id="fs"> 574 <title>File Systems</title> 575 576 <para revision="260178" contrib="vendor" 577 vendor="&netflix;">A new flag, <literal>-R</literal>, 578 has been added to the &man.fsck.ffs.8; utility. When used, 579 &man.fsck.ffs.8; will restart itself when too many critical 580 errors have been detected.</para> 581 582 <para revision="263407">The &man.zfs.8; filesystem has been 583 updated to implement <quote>bookmarks</quote>. See 584 &man.zfs.8; for further details.</para> 585 586 <para revision="266122">The &man.zfs.8; filesystem has been 587 updated to allow tuning the minimum <quote>ashift</quote> 588 value when creating new top-level virtual devices (vdevs). 589 To set the minimum ashift value, for example when creating 590 a &man.zpool.8; on <quote>Advanced Format</quote> drives, 591 set the <literal>vfs.zfs.min_auto_ashift</literal> 592 &man.sysctl.8; accordingly.</para> 593 594 <para revision="266612">The <literal>libzfs</literal> thread 595 pool <acronym>API</acronym> has been imported from 596 OpenSolaris, and adapted for &os;. This change allows 597 parallel disk scanning, which can reduce &man.zpool.8; 598 overall import time in some workloads.</para> 599 600 <para revision="269651">The &man.restore.8; utility has been 601 updated to prevent assertion failures when restoring 602 a <acronym>UFS</acronym> filesystem dump to 603 a <acronym>ZFS</acronym> filesystem by writing restored 604 files in block sizes that are a multiple of 1024.</para> 605 606 <para revision="269774">Two &man.sysctl.8;s have been added 607 to the &man.zfs.8; filesystem:</para> 608 609 <itemizedlist> 610 <listitem> 611 <para> 612 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The 613 percentage of the metaslab group size that should be 614 considered eligible for allocation, unless all metaslab 615 groups within the metaslab class have also crossed this 616 threshold.</para> 617 </listitem> 618 619 <listitem> 620 <para> 621 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The 622 maximum percentage of metaslab fragmentation level to 623 keep their active state</para> 624 </listitem> 625 </itemizedlist> 626 627 <para revision="269846">The default &man.zfs.8; 628 <acronym>ARC</acronym> hash table size has been increased, 629 and a new &man.loader.8; tunable, 630 <literal>vfs.zfs.arc_average_blocksize</literal>, has been 631 added. Previously, the hash table could be too small, which 632 would lead to long hash chains and limit performance for 633 cached reads. The 634 <literal>vfs.zfs.arc_average_blocksize</literal> tunable 635 allows overriding the default block size. The previous 636 default was 65536, and default of the new &man.loader.8; 637 tunable is 8192.</para> 638 639 <para revision="270157">The Fast File System 640 (<acronym>FFS</acronym>) has been updated to support 641 multi-threaded soft updates. Previously, soft updates were 642 handled by a single thread, and as of this change, now have 643 one thread per <acronym>FFS</acronym> mountpoint.</para> 644 </sect3> 645 </sect2> 646 647 <sect2 xml:id="userland"> 648 <title>Userland Changes</title> 649 650 <para revision="260177" contrib="sponsor" 651 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;, 652 <literal>-b</literal>, which outputs the existing buses and 653 their parents.</para> 654 655 <para revision="262075">The &man.newsyslog.8; utility has been 656 updated to rotate files based on the actual file size instead 657 of the blocks on disk. This matches the behavior documented 658 in &man.newsyslog.conf.5;.</para> 659 660 <para revision="262384">The location of the &man.rctl.8; 661 configuration file can now be overridden in &man.rc.conf.5;. 662 To use a non-default location, set 663 <literal>rctl_rules</literal> in &man.rc.conf.5; to the 664 location of the file.</para> 665 666 <para revision="262855">The <application>ATF</application> test 667 suite has been updated to version 0.20.</para> 668 669 <para revision="263019">The <literal>libucl</literal> library 670 (Unified Configuration Library) has been merged from 671 &os;-CURRENT.</para> 672 673 <para revision="263020">The &man.pkg.7; bootstrapping utility 674 has been synced with the version in &os;-CURRENT.</para> 675 676 <para revision="263403">The &man.zfs.8; userland utility has 677 been updated to include aliases for 678 <command>snapshot</command>, which allows use of <command>zfs 679 list -t snap</command> and <command>zfs 680 snap</command>.</para> 681 682 <para revision="263405">The &man.zfs.8; userland utility has 683 been updated to include a new flag to <command>zfs 684 list</command>, <literal>-p</literal>, which when specified, 685 prints the output in a parsable format.</para> 686 687 <para revision="263783">The Blowfish password format 688 implementation updated. Support for $2b$ has 689 been added, allowing use of passwords greater than 256 690 characters long.</para> 691 692 <para revision="264497">The &man.iconv.3; library has been 693 updated to match NetBSD, providing several bug fixes.</para> 694 695 <para revision="265265">The &man.date.1; utility has been 696 updated to include a new flag, <literal>-R</literal>, which 697 prints the date and time output as specified in RFC 698 2822.</para> 699 700 <para revision="265533">The &man.bc.1; utility has been updated 701 to version 1.1, in sync with the version in OpenBSD.</para> 702 703 <para revision="265604" contrib="vendor" 704 vendor="&netflix;">The &man.pmcstat.8; utility has been 705 updated to include a new flag, <literal>-a</literal>, which 706 when specified, produces a full stack track on the sampled 707 points.</para> 708 709 <para revision="265701">The &man.netstat.8; and &man.route.8; 710 utilities have been updated to include a shorthand equivalent 711 to the <literal>-f inet</literal> and <literal>-f 712 inet6</literal> address specifiers, <literal>-4</literal> 713 and <literal>-6</literal>, respectively.</para> 714 715 <para revision="265879">The &man.crypt.3; library now defaults 716 to SHA512 for password hashing.</para> 717 718 <para revision="266014">The &man.gvinum.8; utility has been 719 updated to allow forceful configuration reset with the 720 <literal>-f</literal> flag. Additionally, a bug that would 721 prevent <literal>-f</literal> from properly creating 722 a &man.gvinum.8; configuration has been fixed.</para> 723 724 <para revision="266029">The &man.login.conf.5; file now takes 725 precedence over the shell-specific environment files. In 726 particular, the <literal>PATH</literal>, 727 <literal>BLOCKSIZE</literal> variables are commented from 728 <filename>/usr/share/skel/dot.profile</filename>, and the 729 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and 730 <literal>umask</literal> variables have been commented from 731 <filename>/usr/share/skel/dot.cshrc</filename>.</para> 732 733 <para revision="266272">The &man.binmiscctl.8; userland utility 734 and related image activator features have been merged from 735 &os;-CURRENT.</para> 736 737 <para revision="266279">The &man.ps.1; utility has been 738 updated to include the <literal>-J</literal> flag, used to 739 filter output by matching &man.jail.8; IDs and names. 740 Additionally, argument <literal>0</literal> can be used to 741 <literal>-J</literal> to only list processes running on the 742 host system.</para> 743 744 <para revision="266280">The &man.top.1; utility has been updated 745 to filter by &man.jail.8; ID or name, in followup to the 746 &man.ps.1; change in <literal>r265229</literal>.</para> 747 748 <para revision="266610">The &man.gstat.8; utility has been 749 updated to include a new flag, <literal>-o</literal>. When 750 set, &man.gstat.8; will display statistics for operations 751 such as <literal>BIO_FLUSH</literal>.</para> 752 753 <para revision="266632">The &man.fetch.3; library has been 754 updated to look for root <acronym>SSL</acronym> certificates 755 in <filename class="directory">/usr/local/etc/ssl/</filename> 756 before <filename 757 class="directory">/etc/ssl/</filename>.</para> 758 759 <para revision="266715">The &man.clang.1;/llvm suite has been 760 updated to version 3.4.1.</para> 761 762 <para revision="266816">The Blowfish password format 763 has been changed to $2b$ by default.</para> 764 765 <para revision="266888">The amount of data collected for 766 &man.hwpmc.4; has been updated to work with modern processors 767 and larger amounts of available memory.</para> 768 769 <para revision="266890">The &man.pmcstat.8; utility has been 770 updated to include a new flag, <literal>-l</literal>, which 771 ends event collection after the specified number of 772 seconds.</para> 773 774 <para revision="266953">The &man.mergemaster.8; utility has 775 been updated to avoid printing 776 <quote><filename>/var/tmp/temproot</filename> 777 disappeared</quote> if there is nothing to compare.</para> 778 779 <para revision="267056">The &os; installer, &man.bsdinstall.8;, 780 has been updated to include optional 781 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap 782 devices when installing onto a full &man.zfs.8; filesystem. 783 Additionally, the parent &man.zfs.8; dataset is now configured 784 with <literal>lz4</literal> compression enabled.</para> 785 786 <para revision="267113">The default &man.newsyslog.conf.5; now 787 includes files in the 788 <filename>/etc/newsyslog.conf.d/</filename> and 789 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 790 directories by default for &man.newsyslog.8;.</para> 791 792 <para revision="267161">The &man.realpath.1; utility has been 793 updated to return <literal>ENOTDIR</literal> on paths 794 components <quote>.</quote> and <quote>..</quote> that are 795 not directories, such as <filename 796 class="directory">/dev/null/.</filename> or <filename 797 class="directory">/dev/null/..</filename>.</para> 798 799 <para revision="267236">A new flag, <quote>onifconsole</quote> 800 has been added to <filename>/etc/ttys</filename>. This allows 801 the system to provide a login prompt via serial console if the 802 device is an active kernel console, otherwise it is equivalent 803 to <literal>off</literal>.</para> 804 805 <para revision="267341">Support for legacy 806 <acronym>PCI</acronym> devices has been removed from 807 &man.bhyve.8;.</para> 808 809 <para revision="267450">The &man.bhyve.8; userland utility 810 has been updated to include SMBIOS support. A new flag has 811 been added, <literal>-U</literal>, which allows specifying the 812 UUID of the guest in the System Information structure.</para> 813 814 <para revision="267734">The &os; Project has migrated 815 from the <application>GNATS</application> bug tracking system 816 to <application>Bugzilla</application>. The &man.send-pr.1; 817 utility used for submitting problem reports has been replaced 818 with a stub shell script that instructs to use the Bugzilla 819 web interface.</para> 820 821 <para revision="267747">The &man.patch.1; utility has been 822 updated to include a <literal>--dry-run</literal> flag, which 823 is equivalent to <literal>--check</literal> and 824 <literal>-C</literal>.</para> 825 826 <para revision="267878">A bug in &man.bsdgrep.1; that would 827 prevent patterns from being matched under certain conditions 828 has been fixed.</para> 829 830 <para revision="267979">The &man.procstat.1; utility has been 831 updated to include two new flags, <literal>-r</literal> and 832 <literal>-H</literal>. When <literal>-r</literal> is 833 specified, &man.procstat.1; will print current resource usage 834 about the process(es). When <literal>-H</literal> is 835 specified, &man.procstat.1; will print information about 836 threads rather than the process(es).</para> 837 838 <note> 839 <para>The <literal>-H</literal> flag is currently only used 840 with <literal>-r</literal> to display resource usage for 841 individual threads, rather than the entire process.</para> 842 </note> 843 844 <para revision="268019">The &man.sed.1; utility has been 845 updated to include a new flag, <literal>-u</literal>, which 846 enables unbuffered output when specified.</para> 847 848 <para revision="268161">The &man.mkimg.1; utility has been 849 merged from &os;-CURRENT.</para> 850 851 <para revision="268700">The &man.camcontrol.8; has been updated 852 to include a new <literal>persist</literal> command, which 853 allows issuing <command>SCSI PERSISTENT RESERVE IN</command> 854 and <command>SCSI PERSISTENT RESERVE OUT</command>.</para> 855 856 <para revision="268791">The &man.gstat.8; utility has been 857 updated to include a new flag, <literal>-p</literal>, which 858 displays only physical providers when specified.</para> 859 860 <para revision="268903">The &man.kldstat.8; utility has been 861 updated to allow <literal>-q</literal> to be specified when 862 also specifying <literal>-n 863 <replaceable>module.ko</replaceable></literal>.</para> 864 865 <para revision="269177">The &man.mkimg.1; utility has been 866 updated to include support for both fixed- and 867 dynamically-allocated images for the <acronym>VHD</acronym> 868 and <acronym>VMDK</acronym> formats.</para> 869 870 <para revision="269220">The &man.random.4; entropy collection 871 script, <filename>/usr/libexec/save-entropy</filename>, no 872 longer runs within &man.jail.8; environments.</para> 873 874 <para revision="269397">The &man.bhyve.8; wrapper script, 875 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>, 876 has been synced with &os;-CURRENT.</para> 877 878 <para>This update includes:</para> 879 880 <itemizedlist> 881 <listitem> 882 <para>A new flag, <literal>-e</literal>, has been added, 883 which is used to set &man.loader.8; environment 884 variables.</para> 885 </listitem> 886 887 <listitem> 888 <para>A new flag, <literal>-C</literal>, has been added, 889 which is used to specify the guest console device.</para> 890 </listitem> 891 892 <listitem> 893 <para>A new flag, <literal>-H</literal>, has been added, 894 which is used to pass the host path to 895 &man.bhyveload.8;.</para> 896 </listitem> 897 898 <listitem> 899 <para>Support for multiple disk and &man.tap.4; devices 900 has been added.</para> 901 </listitem> 902 903 <listitem> 904 <para>The <literal>-I</literal> flag has been 905 removed.</para> 906 </listitem> 907 </itemizedlist> 908 909 <para revision="269398">The &man.nfsd.8; server update to 4.1 910 has merged from &os;-CURRENT.</para> 911 912 <para revision="269432" arch="ia64">The serial terminals 913 <filename>ttyu0</filename> and <filename>ttyu1</filename> have 914 been updated to <literal>onifconsole</literal> by default in 915 &man.ttys.5;, which either can be the serial console, 916 depending on the platform.</para> 917 918 <para revision="269800">The &man.ping6.8; utility has been 919 updated to reset <literal>itimer</literal> when the maximum 920 number of packets to send have been reached. This prevents 921 &man.ping6.8; from exiting when the interval in set to a small 922 value and a low number of packets to send has been 923 specified.</para> 924 925 <para revision="269805">The &man.jail.8; utility has been 926 updated to support extra &man.ifconfig.8; arguments for the 927 <literal>ip4.addr</literal> and <literal>ip6.addr</literal> 928 parameters. This change allows &man.carp.4; interfaces to 929 be used within the &man.jail.8;.</para> 930 931 <para revision="269968">The &man.iscsictl.8; utility has been 932 updated to include a new flag, <literal>-M</literal>, which 933 allows modifying the <acronym>iSCSI</acronym> session 934 parameters without requiring the session to be removed and 935 added back.</para> 936 937 <para revision="270043">The &man.mount.nfs.8; utility has been 938 updated to support specifying the NFS version as 939 a <literal>key=<replaceable>value</replaceable></literal> pair 940 argument to the <literal>-o</literal> flag. For example, to 941 specify NFS version 4, the syntax to use is 942 <literal>-o vers=4</literal>.</para> 943 944 <para revision="270401">Support for the <quote>account</quote> 945 facility has been added to &man.pam.3; library.</para> 946 947 <sect3 xml:id="rc-scripts"> 948 <title><filename>/etc/rc.d</filename> Scripts</title> 949 950 <para revision="264438">The <filename>network.subr</filename> 951 &man.rc.8; script has been updated to loosen the requirement 952 of listing network aliases in numeric order. Previously, 953 a network alias of 954 <literal>_alias<replaceable>2</replaceable></literal> 955 would not be created if 956 <literal>_alias<replaceable>1</replaceable></literal> was 957 not defined.</para> 958 959 <para revision="268098">The &man.service.8; utility has been 960 updated to check that the &man.rc.d.8; directory exists 961 before traversing the directory.</para> 962 </sect3> 963 </sect2> 964 965 <sect2 xml:id="contrib"> 966 <title>Contributed Software</title> 967 968 <para revision="263285">The &man.xz.1; utility has been updated 969 to a post-5.0.5 snapshot.</para> 970 971 <para revision="264377"><application>OpenSSH</application> has 972 been updated to version 6.6p1.</para> 973 974 <para revision="264911">The &man.nc.1; utility has been updated 975 to match the version in OpenBSD 5.5.</para> 976 977 <para revision="266692"><application>Sendmail</application> 978 has been updated to 8.14.9.</para> 979 980 <para revision="267477">The timezone database has been updated 981 to version tzdata2014e.</para> 982 983 <para revision="268515">The &man.file.1; utility and 984 &man.libmagic.3; library have been updated to 5.19.</para> 985 986 <para revision="268899">The &man.byacc.1; parser has been 987 updated to version 20140422.</para> 988 989 <para revision="269024" contrib="sponsor" 990 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has 991 been updated to the r202189 snapshot.</para> 992 993 <para revision="269257">The &man.unbound.8; caching resolver and 994 <literal>ldns</literal> have been updated to version 995 1.4.22.</para> 996 997 <para revision="269686"><application>OpenSSL</application> has 998 been updated to version 1.0.1i.</para> 999 1000 <para revision="269847">The <quote>lite</quote> version of 1001 <application>Subversion</application> included in the 1002 &os; base system and its dependencies have been 1003 updated:</para> 1004 1005 <itemizedlist> 1006 <listitem> 1007 <para><application>apr</application> has been 1008 updated to version 1.5.1.</para> 1009 </listitem> 1010 1011 <listitem> 1012 <para><application>apr-util</application> has been 1013 updated to version 1.5.3.</para> 1014 </listitem> 1015 1016 <listitem> 1017 <para><application>serf</application> has been 1018 updated to version 1.3.7.</para> 1019 </listitem> 1020 1021 <listitem> 1022 <para><application>svnlite</application> has been 1023 updated to version 1.8.10.</para> 1024 </listitem> 1025 </itemizedlist> 1026 1027 <para revision="270026">The &man.nvi.1; editor has been 1028 update to version 2.1.2-c80f493b038.</para> 1029 1030 <para revision="270031">The &man.fparseln.3; library has 1031 been updated to version 1.7.</para> 1032 1033 <para revision="270415">The <application>lukemftpd</application> 1034 has been removed from the &os; base system.</para> 1035 </sect2> 1036 1037 <sect2 xml:id="ports"> 1038 <title>Ports/Packages Collection Infrastructure</title> 1039 1040 <para> </para> 1041 1042 </sect2> 1043 1044 <sect2 xml:id="releng"> 1045 <title>Release Engineering and Integration</title> 1046 1047 <para revision="263028">The &man.services.mkdb.8; utility has 1048 been updated to include endianness awareness, allowing the 1049 <filename>services.db</filename> database to be created as 1050 part of the release build, regardless of native- or 1051 cross-built releases.</para> 1052 </sect2> 1053 1054 <sect2 xml:id="doc"> 1055 <title>Documentation</title> 1056 1057 <para> </para> 1058 1059 </sect2> 1060 </sect1> 1061 1062 <sect1 xml:id="upgrade"> 1063 <title>Upgrading from Previous Releases of &os;</title> 1064 1065 <para arch="amd64,i386">Binary upgrades between RELEASE versions 1066 (and snapshots of the various security branches) are supported 1067 using the &man.freebsd-update.8; utility. The binary upgrade 1068 procedure will update unmodified userland utilities, as well as 1069 unmodified GENERIC or SMP kernels distributed as a part of an 1070 official &os; release. The &man.freebsd-update.8; utility 1071 requires that the host being upgraded have Internet 1072 connectivity.</para> 1073 1074 <para>Source-based upgrades (those based on recompiling the &os; 1075 base system from source code) from previous versions are 1076 supported, according to the instructions in 1077 <filename>/usr/src/UPDATING</filename>.</para> 1078 1079 <important> 1080 <para>Upgrading &os; should only be attempted after 1081 backing up <emphasis>all</emphasis> data and configuration 1082 files.</para> 1083 </important> 1084 </sect1> 1085</article> 1086