article.xml revision 270747
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 270747 2014-08-28 09:00:53Z 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="260387" contrib="sponsor" sponsor="&ix;">The 493 &man.cam.4; got finer-grained locking, direct dispatch and 494 multi-queue support. 495 Combined with &man.geom.4; direct dispatch that allows to 496 reduce lock congestion and improve SMP scalability of the 497 SCSI/ATA stack. 498 </para> 499 500 <para revision="260478">The &man.geom.8; 501 <literal>GEOM_MULTIPATH</literal> class got automatic live 502 resize support.</para> 503 504 <para revision="260857">The &man.virtio_blk.4; driver has been 505 updated to support unmapped I/O.</para> 506 507 <para revision="260858">The &man.virtio_scsi.4; driver has been 508 updated to support unmapped I/O.</para> 509 510 <para revision="264522">Support for LUN-based CD changers has 511 been removed from the &man.cd.4; driver.</para> 512 513 <para revision="264734">Support for 9th generation HP host bus 514 adapter cards has been added to &man.ciss.4;.</para> 515 516 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The 517 &man.mpr.4; device has been added, 518 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA 519 controllers.</para> 520 521 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The 522 &man.mrsas.4; driver has been added, 523 providing support for LSI MegaRAID SAS controllers. The 524 &man.mfi.4; driver will attach to the controller, by default. 525 To enable &man.mrsas.4; add 526 <literal>hw.mfi.mrsas_enable=1</literal> to 527 <filename>/boot/loader.conf</filename>, which turns off 528 &man.mfi.4; device probing.</para> 529 530 <note> 531 <para>At this time, the &man.mfiutil.8; utility and 532 the &os; version of 533 <application>MegaCLI</application> and 534 <application>StorCli</application> do not work with 535 &man.mrsas.4;.</para> 536 </note> 537 538 <para revision="266608">Fixed accounting of BIO_FLUSH operation 539 in &man.geom.8; <literal>GEOM_DISK</literal> class</para> 540 541 <para revision="266610">The &man.gstat.8; 542 utility now has a <literal>-o</literal> option, to 543 display "other" operatins (e.g. BIO_FLUSH).</para> 544 545 <para revision="267084">The &man.mfi.4; driver has been 546 updated to include support for unmapped I/O.</para> 547 548 <para revision="267457">The &man.hpt27xx.4; driver has been 549 updated with various vendor-supplied bug fixes.</para> 550 551 <para revision="270130" contrib="sponsor" 552 sponsor="&citrix.rd;">Support for unmapped I/O has been added 553 to the &man.xen.4; <literal>blkfront</literal> driver.</para> 554 555 <para revision="259328" contrib="sponsor" sponsor="&ff;">The 556 &man.geom.8; <literal>label</literal> class is now aware of 557 resized partitions. This corrects an issue where 558 <command>geom resize</command> would resize the partition, 559 but the label provider in <filename 560 class="directory">/dev/gptid/</filename> would not be 561 resized.</para> 562 563 <para revision="260502">The &man.gmirror.8; 564 utility now has a <literal>resize</literal> command, making 565 it easier to resize the size of a mirror when all of its 566 components have been replaced.</para> 567 568 <para revision="262967">Support for MegaRAID Fury cards has been 569 added to the &man.mfi.4; driver.</para> 570 571 <para revision="263024">The &man.aacraid.4; driver has been 572 updated to version 3.2.5.</para> 573 574 <para revision="265536">The <literal>GEOM_VINUM</literal> option 575 is now able to be built both directly into the kernel or as 576 a &man.kldload.8; loadable module.</para> 577 578 <para revision="265912">The &man.geom.8; 579 <literal>GEOM_PART</literal> class has been updated to 580 support automatic partition resizing. Changes to the 581 partition size are not saved to disk until 582 <command>gpart commit</command> is run, and prior to saving, 583 can be reverted with <command>gpart undo</command>.</para> 584 585 <para revision="266220">The &man.geom.uncompress.4; module is 586 built by default which, similar to &man.geom.uzip.4;, 587 provides support for compressed, read-only disk 588 images.</para> 589 590 <para revision="268091">Support for the 591 <literal>disklabel64</literal> partitioning scheme has been 592 added to &man.gpart.8;.</para> 593 594 <para revision="269298">The maximum number of 595 <acronym>SCSI</acronym> ports in the &man.ctl.4; driver has 596 been increased from 32 to 128.</para> 597 598 <para revision="270552">A new &man.sysctl.8; and 599 &man.loader.8; tunable, 600 <literal>kern.geom.part.mbr.enforce_chs</literal> has been 601 added to the &man.geom.8; <literal>MBR</literal> partition 602 class. When set to a non-zero value, 603 <literal>GEOM_PART_MBR</literal> will automatically 604 recalculate the user-specified offset and size for alignment 605 with the disk geometry.</para> 606 </sect3> 607 608 <sect3 xml:id="fs"> 609 <title>File Systems</title> 610 611 <para revision="260338">The 612 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has been 613 re-enabled. On multi-CPU machines with enough RAM, this can 614 easily double &man.zfs.8; performance or reduce CPU usage in 615 half. It was originally disabled due to memory and 616 <acronym>KVA</acronym> exhaustion problem reports, which 617 should be resolved due to several change in the VM 618 subsystem.</para> 619 620 <para revision="260178" contrib="vendor" 621 vendor="&netflix;">A new flag, <literal>-R</literal>, 622 has been added to the &man.fsck.ffs.8; utility. When used, 623 &man.fsck.ffs.8; will restart itself when too many critical 624 errors have been detected.</para> 625 626 <para revision="263407">The &man.zfs.8; filesystem has been 627 updated to implement <quote>bookmarks</quote>. See 628 &man.zfs.8; for further details.</para> 629 630 <para revision="266122">The &man.zfs.8; filesystem has been 631 updated to allow tuning the minimum <quote>ashift</quote> 632 value when creating new top-level virtual devices (vdevs). 633 To set the minimum ashift value, for example when creating 634 a &man.zpool.8; on <quote>Advanced Format</quote> drives, 635 set the <literal>vfs.zfs.min_auto_ashift</literal> 636 &man.sysctl.8; accordingly.</para> 637 638 <para revision="266612">The <literal>libzfs</literal> thread 639 pool <acronym>API</acronym> has been imported from 640 OpenSolaris, and adapted for &os;. This change allows 641 parallel disk scanning, which can reduce &man.zpool.8; 642 overall import time in some workloads.</para> 643 644 <para revision="269651">The &man.restore.8; utility has been 645 updated to prevent assertion failures when restoring 646 a <acronym>UFS</acronym> filesystem dump to 647 a <acronym>ZFS</acronym> filesystem by writing restored 648 files in block sizes that are a multiple of 1024.</para> 649 650 <para revision="269774">Two &man.sysctl.8;s have been added 651 to the &man.zfs.8; filesystem:</para> 652 653 <itemizedlist> 654 <listitem> 655 <para> 656 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The 657 percentage of the metaslab group size that should be 658 considered eligible for allocation, unless all metaslab 659 groups within the metaslab class have also crossed this 660 threshold.</para> 661 </listitem> 662 663 <listitem> 664 <para> 665 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The 666 maximum percentage of metaslab fragmentation level to 667 keep their active state</para> 668 </listitem> 669 </itemizedlist> 670 671 <para revision="269846">The default &man.zfs.8; 672 <acronym>ARC</acronym> hash table size has been increased, 673 and a new &man.loader.8; tunable, 674 <literal>vfs.zfs.arc_average_blocksize</literal>, has been 675 added. Previously, the hash table could be too small, which 676 would lead to long hash chains and limit performance for 677 cached reads. The 678 <literal>vfs.zfs.arc_average_blocksize</literal> tunable 679 allows overriding the default block size. The previous 680 default was 65536, and default of the new &man.loader.8; 681 tunable is 8192.</para> 682 683 <para revision="270157">The Fast File System 684 (<acronym>FFS</acronym>) has been updated to support 685 multi-threaded soft updates. Previously, soft updates were 686 handled by a single thread, and as of this change, now have 687 one thread per <acronym>FFS</acronym> mountpoint.</para> 688 </sect3> 689 </sect2> 690 691 <sect2 xml:id="userland"> 692 <title>Userland Changes</title> 693 694 <para revision="260177" contrib="sponsor" 695 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;, 696 <literal>-b</literal>, which outputs the existing buses and 697 their parents.</para> 698 699 <para revision="262075">The &man.newsyslog.8; utility has been 700 updated to rotate files based on the actual file size instead 701 of the blocks on disk. This matches the behavior documented 702 in &man.newsyslog.conf.5;.</para> 703 704 <para revision="262384">The location of the &man.rctl.8; 705 configuration file can now be overridden in &man.rc.conf.5;. 706 To use a non-default location, set 707 <literal>rctl_rules</literal> in &man.rc.conf.5; to the 708 location of the file.</para> 709 710 <para revision="262855">The <application>ATF</application> test 711 suite has been updated to version 0.20.</para> 712 713 <para revision="263019">The <literal>libucl</literal> library 714 (Unified Configuration Library) has been merged from 715 &os;-CURRENT.</para> 716 717 <para revision="263020">The &man.pkg.7; bootstrapping utility 718 has been synced with the version in &os;-CURRENT.</para> 719 720 <para revision="263403">The &man.zfs.8; userland utility has 721 been updated to include aliases for 722 <command>snapshot</command>, which allows use of <command>zfs 723 list -t snap</command> and <command>zfs 724 snap</command>.</para> 725 726 <para revision="263405">The &man.zfs.8; userland utility has 727 been updated to include a new flag to <command>zfs 728 list</command>, <literal>-p</literal>, which when specified, 729 prints the output in a parsable format.</para> 730 731 <para revision="263783">The Blowfish password format 732 implementation updated. Support for $2b$ has 733 been added, allowing use of passwords greater than 256 734 characters long.</para> 735 736 <para revision="264497">The &man.iconv.3; library has been 737 updated to match NetBSD, providing several bug fixes.</para> 738 739 <para revision="265265">The &man.date.1; utility has been 740 updated to include a new flag, <literal>-R</literal>, which 741 prints the date and time output as specified in RFC 742 2822.</para> 743 744 <para revision="265533">The &man.bc.1; utility has been updated 745 to version 1.1, in sync with the version in OpenBSD.</para> 746 747 <para revision="265604" contrib="vendor" 748 vendor="&netflix;">The &man.pmcstat.8; utility has been 749 updated to include a new flag, <literal>-a</literal>, which 750 when specified, produces a full stack track on the sampled 751 points.</para> 752 753 <para revision="265701">The &man.netstat.8; and &man.route.8; 754 utilities have been updated to include a shorthand equivalent 755 to the <literal>-f inet</literal> and <literal>-f 756 inet6</literal> address specifiers, <literal>-4</literal> 757 and <literal>-6</literal>, respectively.</para> 758 759 <para revision="265879">The &man.crypt.3; library now defaults 760 to SHA512 for password hashing.</para> 761 762 <para revision="266014">The &man.gvinum.8; utility has been 763 updated to allow forceful configuration reset with the 764 <literal>-f</literal> flag. Additionally, a bug that would 765 prevent <literal>-f</literal> from properly creating 766 a &man.gvinum.8; configuration has been fixed.</para> 767 768 <para revision="266029">The &man.login.conf.5; file now takes 769 precedence over the shell-specific environment files. In 770 particular, the <literal>PATH</literal>, 771 <literal>BLOCKSIZE</literal> variables are commented from 772 <filename>/usr/share/skel/dot.profile</filename>, and the 773 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and 774 <literal>umask</literal> variables have been commented from 775 <filename>/usr/share/skel/dot.cshrc</filename>.</para> 776 777 <para revision="266272">The &man.binmiscctl.8; userland utility 778 and related image activator features have been merged from 779 &os;-CURRENT.</para> 780 781 <para revision="266279">The &man.ps.1; utility has been 782 updated to include the <literal>-J</literal> flag, used to 783 filter output by matching &man.jail.8; IDs and names. 784 Additionally, argument <literal>0</literal> can be used to 785 <literal>-J</literal> to only list processes running on the 786 host system.</para> 787 788 <para revision="266280">The &man.top.1; utility has been updated 789 to filter by &man.jail.8; ID or name, in followup to the 790 &man.ps.1; change in <literal>r265229</literal>.</para> 791 792 <para revision="266610">The &man.gstat.8; utility has been 793 updated to include a new flag, <literal>-o</literal>. When 794 set, &man.gstat.8; will display statistics for operations 795 such as <literal>BIO_FLUSH</literal>.</para> 796 797 <para revision="266632">The &man.fetch.3; library has been 798 updated to look for root <acronym>SSL</acronym> certificates 799 in <filename class="directory">/usr/local/etc/ssl/</filename> 800 before <filename 801 class="directory">/etc/ssl/</filename>.</para> 802 803 <para revision="266715">The &man.clang.1;/llvm suite has been 804 updated to version 3.4.1.</para> 805 806 <para revision="266816">The Blowfish password format 807 has been changed to $2b$ by default.</para> 808 809 <para revision="266888">The amount of data collected for 810 &man.hwpmc.4; has been updated to work with modern processors 811 and larger amounts of available memory.</para> 812 813 <para revision="266890">The &man.pmcstat.8; utility has been 814 updated to include a new flag, <literal>-l</literal>, which 815 ends event collection after the specified number of 816 seconds.</para> 817 818 <para revision="266953">The &man.mergemaster.8; utility has 819 been updated to avoid printing 820 <quote><filename>/var/tmp/temproot</filename> 821 disappeared</quote> if there is nothing to compare.</para> 822 823 <para revision="267056">The &os; installer, &man.bsdinstall.8;, 824 has been updated to include optional 825 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap 826 devices when installing onto a full &man.zfs.8; filesystem. 827 Additionally, the parent &man.zfs.8; dataset is now configured 828 with <literal>lz4</literal> compression enabled.</para> 829 830 <para revision="267113">The default &man.newsyslog.conf.5; now 831 includes files in the 832 <filename>/etc/newsyslog.conf.d/</filename> and 833 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 834 directories by default for &man.newsyslog.8;.</para> 835 836 <para revision="267161">The &man.realpath.1; utility has been 837 updated to return <literal>ENOTDIR</literal> on paths 838 components <quote>.</quote> and <quote>..</quote> that are 839 not directories, such as <filename 840 class="directory">/dev/null/.</filename> or <filename 841 class="directory">/dev/null/..</filename>.</para> 842 843 <para revision="267236">A new flag, <quote>onifconsole</quote> 844 has been added to <filename>/etc/ttys</filename>. This allows 845 the system to provide a login prompt via serial console if the 846 device is an active kernel console, otherwise it is equivalent 847 to <literal>off</literal>.</para> 848 849 <para revision="267341">Support for legacy 850 <acronym>PCI</acronym> devices has been removed from 851 &man.bhyve.8;.</para> 852 853 <para revision="267450">The &man.bhyve.8; userland utility 854 has been updated to include SMBIOS support. A new flag has 855 been added, <literal>-U</literal>, which allows specifying the 856 UUID of the guest in the System Information structure.</para> 857 858 <para revision="267734">The &os; Project has migrated 859 from the <application>GNATS</application> bug tracking system 860 to <application>Bugzilla</application>. The &man.send-pr.1; 861 utility used for submitting problem reports has been replaced 862 with a stub shell script that instructs to use the Bugzilla 863 web interface.</para> 864 865 <para revision="267747">The &man.patch.1; utility has been 866 updated to include a <literal>--dry-run</literal> flag, which 867 is equivalent to <literal>--check</literal> and 868 <literal>-C</literal>.</para> 869 870 <para revision="267878">A bug in &man.bsdgrep.1; that would 871 prevent patterns from being matched under certain conditions 872 has been fixed.</para> 873 874 <para revision="267979">The &man.procstat.1; utility has been 875 updated to include two new flags, <literal>-r</literal> and 876 <literal>-H</literal>. When <literal>-r</literal> is 877 specified, &man.procstat.1; will print current resource usage 878 about the process(es). When <literal>-H</literal> is 879 specified, &man.procstat.1; will print information about 880 threads rather than the process(es).</para> 881 882 <note> 883 <para>The <literal>-H</literal> flag is currently only used 884 with <literal>-r</literal> to display resource usage for 885 individual threads, rather than the entire process.</para> 886 </note> 887 888 <para revision="268019">The &man.sed.1; utility has been 889 updated to include a new flag, <literal>-u</literal>, which 890 enables unbuffered output when specified.</para> 891 892 <para revision="268161">The &man.mkimg.1; utility has been 893 merged from &os;-CURRENT.</para> 894 895 <para revision="268700">The &man.camcontrol.8; has been updated 896 to include a new <literal>persist</literal> command, which 897 allows issuing <command>SCSI PERSISTENT RESERVE IN</command> 898 and <command>SCSI PERSISTENT RESERVE OUT</command>.</para> 899 900 <para revision="268791">The &man.gstat.8; utility has been 901 updated to include a new flag, <literal>-p</literal>, which 902 displays only physical providers when specified.</para> 903 904 <para revision="268903">The &man.kldstat.8; utility has been 905 updated to allow <literal>-q</literal> to be specified when 906 also specifying <literal>-n 907 <replaceable>module.ko</replaceable></literal>.</para> 908 909 <para revision="269177">The &man.mkimg.1; utility has been 910 updated to include support for both fixed- and 911 dynamically-allocated images for the <acronym>VHD</acronym> 912 and <acronym>VMDK</acronym> formats.</para> 913 914 <para revision="269220">The &man.random.4; entropy collection 915 script, <filename>/usr/libexec/save-entropy</filename>, no 916 longer runs within &man.jail.8; environments.</para> 917 918 <para revision="269397">The &man.bhyve.8; wrapper script, 919 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>, 920 has been synced with &os;-CURRENT.</para> 921 922 <para>This update includes:</para> 923 924 <itemizedlist> 925 <listitem> 926 <para>A new flag, <literal>-e</literal>, has been added, 927 which is used to set &man.loader.8; environment 928 variables.</para> 929 </listitem> 930 931 <listitem> 932 <para>A new flag, <literal>-C</literal>, has been added, 933 which is used to specify the guest console device.</para> 934 </listitem> 935 936 <listitem> 937 <para>A new flag, <literal>-H</literal>, has been added, 938 which is used to pass the host path to 939 &man.bhyveload.8;.</para> 940 </listitem> 941 942 <listitem> 943 <para>Support for multiple disk and &man.tap.4; devices 944 has been added.</para> 945 </listitem> 946 947 <listitem> 948 <para>The <literal>-I</literal> flag has been 949 removed.</para> 950 </listitem> 951 </itemizedlist> 952 953 <para revision="269398">The &man.nfsd.8; server update to 4.1 954 has merged from &os;-CURRENT.</para> 955 956 <para revision="269432" arch="ia64">The serial terminals 957 <filename>ttyu0</filename> and <filename>ttyu1</filename> have 958 been updated to <literal>onifconsole</literal> by default in 959 &man.ttys.5;, which either can be the serial console, 960 depending on the platform.</para> 961 962 <para revision="269800">The &man.ping6.8; utility has been 963 updated to reset <literal>itimer</literal> when the maximum 964 number of packets to send have been reached. This prevents 965 &man.ping6.8; from exiting when the interval in set to a small 966 value and a low number of packets to send has been 967 specified.</para> 968 969 <para revision="269805">The &man.jail.8; utility has been 970 updated to support extra &man.ifconfig.8; arguments for the 971 <literal>ip4.addr</literal> and <literal>ip6.addr</literal> 972 parameters. This change allows &man.carp.4; interfaces to 973 be used within the &man.jail.8;.</para> 974 975 <para revision="269946">Support for generating and compiling 976 <acronym>USDT</acronym> <application>DTrace</application> 977 probes has been improved. <application>DTrace</application> 978 <acronym>USDT</acronym> files are now handled similar to 979 &man.lex.1; and &man.yacc.1; files, meaning support for 980 handling <application>D</application> files as part of the 981 build process is built into the <literal>SRCS</literal> 982 &man.make.1; environment variable.</para> 983 984 <para revision="269968">The &man.iscsictl.8; utility has been 985 updated to include a new flag, <literal>-M</literal>, which 986 allows modifying the <acronym>iSCSI</acronym> session 987 parameters without requiring the session to be removed and 988 added back.</para> 989 990 <para revision="270043">The &man.mount.nfs.8; utility has been 991 updated to support specifying the NFS version as 992 a <literal>key=<replaceable>value</replaceable></literal> pair 993 argument to the <literal>-o</literal> flag. For example, to 994 specify NFS version 4, the syntax to use is 995 <literal>-o vers=4</literal>.</para> 996 997 <para revision="270401">Support for the <quote>account</quote> 998 facility has been added to the &man.pam.group.8; 999 module.</para> 1000 1001 <sect3 xml:id="rc-scripts"> 1002 <title><filename>/etc/rc.d</filename> Scripts</title> 1003 1004 <para revision="264438">The <filename>network.subr</filename> 1005 &man.rc.8; script has been updated to loosen the requirement 1006 of listing network aliases in numeric order. Previously, 1007 a network alias of 1008 <literal>_alias<replaceable>2</replaceable></literal> 1009 would not be created if 1010 <literal>_alias<replaceable>1</replaceable></literal> was 1011 not defined.</para> 1012 1013 <para revision="268098">The &man.service.8; utility has been 1014 updated to check that the &man.rc.d.8; directory exists 1015 before traversing the directory.</para> 1016 </sect3> 1017 </sect2> 1018 1019 <sect2 xml:id="contrib"> 1020 <title>Contributed Software</title> 1021 1022 <para revision="263285">The &man.xz.1; utility has been updated 1023 to a post-5.0.5 snapshot.</para> 1024 1025 <para revision="264377"><application>OpenSSH</application> has 1026 been updated to version 6.6p1.</para> 1027 1028 <para revision="264911">The &man.nc.1; utility has been updated 1029 to match the version in OpenBSD 5.5.</para> 1030 1031 <para revision="266692"><application>Sendmail</application> 1032 has been updated to 8.14.9.</para> 1033 1034 <para revision="267477">The timezone database has been updated 1035 to version tzdata2014e.</para> 1036 1037 <para revision="268515">The &man.file.1; utility and 1038 &man.libmagic.3; library have been updated to 5.19.</para> 1039 1040 <para revision="268899">The &man.byacc.1; parser has been 1041 updated to version 20140422.</para> 1042 1043 <para revision="269024" contrib="sponsor" 1044 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has 1045 been updated to the r202189 snapshot.</para> 1046 1047 <para revision="269257">The &man.unbound.8; caching resolver and 1048 <literal>ldns</literal> have been updated to version 1049 1.4.22.</para> 1050 1051 <para revision="269686"><application>OpenSSL</application> has 1052 been updated to version 1.0.1i.</para> 1053 1054 <para revision="269847">The <quote>lite</quote> version of 1055 <application>Subversion</application> included in the 1056 &os; base system and its dependencies have been 1057 updated:</para> 1058 1059 <itemizedlist> 1060 <listitem> 1061 <para><application>apr</application> has been 1062 updated to version 1.5.1.</para> 1063 </listitem> 1064 1065 <listitem> 1066 <para><application>apr-util</application> has been 1067 updated to version 1.5.3.</para> 1068 </listitem> 1069 1070 <listitem> 1071 <para><application>serf</application> has been 1072 updated to version 1.3.7.</para> 1073 </listitem> 1074 1075 <listitem> 1076 <para><application>svnlite</application> has been 1077 updated to version 1.8.10.</para> 1078 </listitem> 1079 </itemizedlist> 1080 1081 <para revision="270026">The &man.nvi.1; editor has been 1082 update to version 2.1.2-c80f493b038.</para> 1083 1084 <para revision="270031">The &man.fparseln.3; library has 1085 been updated to version 1.7.</para> 1086 1087 <para revision="270415">The <application>lukemftpd</application> 1088 <acronym>FTP</acronym> server has been removed from the 1089 &os; base system.</para> 1090 </sect2> 1091 1092 <sect2 xml:id="ports"> 1093 <title>Ports/Packages Collection Infrastructure</title> 1094 1095 <para> </para> 1096 1097 </sect2> 1098 1099 <sect2 xml:id="releng"> 1100 <title>Release Engineering and Integration</title> 1101 1102 <para revision="263028">The &man.services.mkdb.8; utility has 1103 been updated to include endianness awareness, allowing the 1104 <filename>services.db</filename> database to be created as 1105 part of the release build, regardless of native- or 1106 cross-built releases.</para> 1107 </sect2> 1108 1109 <sect2 xml:id="doc"> 1110 <title>Documentation</title> 1111 1112 <para> </para> 1113 1114 </sect2> 1115 </sect1> 1116 1117 <sect1 xml:id="upgrade"> 1118 <title>Upgrading from Previous Releases of &os;</title> 1119 1120 <para arch="amd64,i386">Binary upgrades between RELEASE versions 1121 (and snapshots of the various security branches) are supported 1122 using the &man.freebsd-update.8; utility. The binary upgrade 1123 procedure will update unmodified userland utilities, as well as 1124 unmodified GENERIC or SMP kernels distributed as a part of an 1125 official &os; release. The &man.freebsd-update.8; utility 1126 requires that the host being upgraded have Internet 1127 connectivity.</para> 1128 1129 <para>Source-based upgrades (those based on recompiling the &os; 1130 base system from source code) from previous versions are 1131 supported, according to the instructions in 1132 <filename>/usr/src/UPDATING</filename>.</para> 1133 1134 <important> 1135 <para>Upgrading &os; should only be attempted after 1136 backing up <emphasis>all</emphasis> data and configuration 1137 files.</para> 1138 </important> 1139 </sect1> 1140</article> 1141