article.xml revision 270761
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 270761 2014-08-28 20:25:17Z 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> 475 476 <para contrib="sponsor" sponsor="&ix;">Kernel RPC code, which is a 477 base of NFS server took multiple optimizations, that significantly 478 improved its performance and SMP scapability.</para> 479 480 <para>New kernel-based iSCSI target and initiator code took many 481 fixes and performance optimizations.</para> 482 </sect3> 483 484 <sect3 xml:id="disks"> 485 <title>Disks and Storage</title> 486 487 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 488 &man.geom.4; got I/O direct dispatch support. 489 When safety requirements are met, it allows to avoid passing 490 I/O requests to GEOM g_up/g_down thread, executing them directly 491 in the caller context. That allows to avoid CPU bottlenecks in 492 g_up/g_down threads, plus avoid several context switches per I/O. 493 </para> 494 495 <para revision="260385" contrib="sponsor" sponsor="&ix;">The 496 &man.geom.4; RAID driver has been 497 updated to support unmapped I/O.</para> 498 499 <para revision="260387" contrib="sponsor" sponsor="&ix;">The 500 &man.cam.4; got finer-grained locking, direct dispatch and 501 multi-queue support. 502 Combined with &man.geom.4; direct dispatch that allows to 503 reduce lock congestion and improve SMP scalability of the 504 SCSI/ATA stack. 505 </para> 506 507 <para revision="260478">The &man.geom.8; 508 <literal>GEOM_MULTIPATH</literal> class got automatic live 509 resize support.</para> 510 511 <para revision="260857">The &man.virtio_blk.4; driver has been 512 updated to support unmapped I/O.</para> 513 514 <para revision="260858">The &man.virtio_scsi.4; driver has been 515 updated to support unmapped I/O.</para> 516 517 <para revision="264522">Support for LUN-based CD changers has 518 been removed from the &man.cd.4; driver.</para> 519 520 <para revision="264734">Support for 9th generation HP host bus 521 adapter cards has been added to &man.ciss.4;.</para> 522 523 <para revision="265388" contrib="sponsor" sponsor="&lsi;">The 524 &man.mpr.4; device has been added, 525 providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA 526 controllers.</para> 527 528 <para revision="265922" contrib="sponsor" sponsor="&lsi;">The 529 &man.mrsas.4; driver has been added, 530 providing support for LSI MegaRAID SAS controllers. The 531 &man.mfi.4; driver will attach to the controller, by default. 532 To enable &man.mrsas.4; add 533 <literal>hw.mfi.mrsas_enable=1</literal> to 534 <filename>/boot/loader.conf</filename>, which turns off 535 &man.mfi.4; device probing.</para> 536 537 <note> 538 <para>At this time, the &man.mfiutil.8; utility and 539 the &os; version of 540 <application>MegaCLI</application> and 541 <application>StorCli</application> do not work with 542 &man.mrsas.4;.</para> 543 </note> 544 545 <para revision="266608">Fixed accounting of BIO_FLUSH operation 546 in &man.geom.8; <literal>GEOM_DISK</literal> class</para> 547 548 <para revision="266610">The &man.gstat.8; 549 utility now has a <literal>-o</literal> option, to 550 display "other" operatins (e.g. BIO_FLUSH).</para> 551 552 <para revision="267084">The &man.mfi.4; driver has been 553 updated to include support for unmapped I/O.</para> 554 555 <para revision="267457">The &man.hpt27xx.4; driver has been 556 updated with various vendor-supplied bug fixes.</para> 557 558 <para revision="270130" contrib="sponsor" 559 sponsor="&citrix.rd;">Support for unmapped I/O has been added 560 to the &man.xen.4; <literal>blkfront</literal> driver.</para> 561 562 <para revision="259328" contrib="sponsor" sponsor="&ff;">The 563 &man.geom.8; <literal>label</literal> class is now aware of 564 resized partitions. This corrects an issue where 565 <command>geom resize</command> would resize the partition, 566 but the label provider in <filename 567 class="directory">/dev/gptid/</filename> would not be 568 resized.</para> 569 570 <para revision="260502">The &man.gmirror.8; 571 utility now has a <literal>resize</literal> command, making 572 it easier to resize the size of a mirror when all of its 573 components have been replaced.</para> 574 575 <para revision="262967">Support for MegaRAID Fury cards has been 576 added to the &man.mfi.4; driver.</para> 577 578 <para revision="263024">The &man.aacraid.4; driver has been 579 updated to version 3.2.5.</para> 580 581 <para revision="265536">The <literal>GEOM_VINUM</literal> option 582 is now able to be built both directly into the kernel or as 583 a &man.kldload.8; loadable module.</para> 584 585 <para revision="265912">The &man.geom.8; 586 <literal>GEOM_PART</literal> class has been updated to 587 support automatic partition resizing. Changes to the 588 partition size are not saved to disk until 589 <command>gpart commit</command> is run, and prior to saving, 590 can be reverted with <command>gpart undo</command>.</para> 591 592 <para revision="266220">The &man.geom.uncompress.4; module is 593 built by default which, similar to &man.geom.uzip.4;, 594 provides support for compressed, read-only disk 595 images.</para> 596 597 <para revision="268091">Support for the 598 <literal>disklabel64</literal> partitioning scheme has been 599 added to &man.gpart.8;.</para> 600 601 <para revision="270552">A new &man.sysctl.8; and 602 &man.loader.8; tunable, 603 <literal>kern.geom.part.mbr.enforce_chs</literal> has been 604 added to the &man.geom.8; <literal>MBR</literal> partition 605 class. When set to a non-zero value, 606 <literal>GEOM_PART_MBR</literal> will automatically 607 recalculate the user-specified offset and size for alignment 608 with the disk geometry.</para> 609 610 <para contrib="sponsor" sponsor="&ix;">CAM Target Layer (CTL) 611 got many impromenets:</para> 612 <itemizedlist> 613 <listitem> 614 <para>Support for UNMAP, WRITE SAME, COMPARE AND WRITE, XCOPY 615 and some other SCSI commands was added to support VMWare VAAI 616 and Microsoft ODX storage acceleration.</para> 617 </listitem> 618 <listitem> 619 <para revision="265642">READ/WRITE size limitations were removed 620 by supporting multiple data moves per command.</para> 621 </listitem> 622 <listitem> 623 <para revision="268556">Finer-grained per-LUN locking and 624 multiple worker threads for better SMP scapability.</para> 625 </listitem> 626 <listitem> 627 <para revision="269297">Memory consumption reduced by several 628 times by disabling some never used functionality.</para> 629 </listitem> 630 <listitem> 631 <para revision="269298">The maximum number of 632 <acronym>SCSI</acronym> ports increased from 32 to 128</para> 633 </listitem> 634 <listitem> 635 <para revision="269429">Improved ZVOL integration for better 636 performance.</para> 637 </listitem> 638 </itemizedlist> 639 </sect3> 640 641 <sect3 xml:id="fs"> 642 <title>File Systems</title> 643 644 <para revision="260338">The 645 <literal>vfs.zfs.zio.use_uma</literal> &man.sysctl.8; has been 646 re-enabled. On multi-CPU machines with enough RAM, this can 647 easily double &man.zfs.8; performance or reduce CPU usage in 648 half. It was originally disabled due to memory and 649 <acronym>KVA</acronym> exhaustion problem reports, which 650 should be resolved due to several change in the VM 651 subsystem.</para> 652 653 <para revision="260178" contrib="vendor" 654 vendor="&netflix;">A new flag, <literal>-R</literal>, 655 has been added to the &man.fsck.ffs.8; utility. When used, 656 &man.fsck.ffs.8; will restart itself when too many critical 657 errors have been detected.</para> 658 659 <para revision="263407">The &man.zfs.8; filesystem has been 660 updated to implement <quote>bookmarks</quote>. See 661 &man.zfs.8; for further details.</para> 662 663 <para revision="266122">The &man.zfs.8; filesystem has been 664 updated to allow tuning the minimum <quote>ashift</quote> 665 value when creating new top-level virtual devices (vdevs). 666 To set the minimum ashift value, for example when creating 667 a &man.zpool.8; on <quote>Advanced Format</quote> drives, 668 set the <literal>vfs.zfs.min_auto_ashift</literal> 669 &man.sysctl.8; accordingly.</para> 670 671 <para revision="266612">The <literal>libzfs</literal> thread 672 pool <acronym>API</acronym> has been imported from 673 OpenSolaris, and adapted for &os;. This change allows 674 parallel disk scanning, which can reduce &man.zpool.8; 675 overall import time in some workloads.</para> 676 677 <para revision="269651">The &man.restore.8; utility has been 678 updated to prevent assertion failures when restoring 679 a <acronym>UFS</acronym> filesystem dump to 680 a <acronym>ZFS</acronym> filesystem by writing restored 681 files in block sizes that are a multiple of 1024.</para> 682 683 <para revision="269774">Two &man.sysctl.8;s have been added 684 to the &man.zfs.8; filesystem:</para> 685 686 <itemizedlist> 687 <listitem> 688 <para> 689 <literal>vfs.zfs.mg_fragmentation_threshold</literal>: The 690 percentage of the metaslab group size that should be 691 considered eligible for allocation, unless all metaslab 692 groups within the metaslab class have also crossed this 693 threshold.</para> 694 </listitem> 695 696 <listitem> 697 <para> 698 <literal>vfs.zfs.metaslab.fragmentation_threshold</literal>: The 699 maximum percentage of metaslab fragmentation level to 700 keep their active state</para> 701 </listitem> 702 </itemizedlist> 703 704 <para revision="269846">The default &man.zfs.8; 705 <acronym>ARC</acronym> hash table size has been increased, 706 and a new &man.loader.8; tunable, 707 <literal>vfs.zfs.arc_average_blocksize</literal>, has been 708 added. Previously, the hash table could be too small, which 709 would lead to long hash chains and limit performance for 710 cached reads. The 711 <literal>vfs.zfs.arc_average_blocksize</literal> tunable 712 allows overriding the default block size. The previous 713 default was 65536, and default of the new &man.loader.8; 714 tunable is 8192.</para> 715 716 <para revision="270157">The Fast File System 717 (<acronym>FFS</acronym>) has been updated to support 718 multi-threaded soft updates. Previously, soft updates were 719 handled by a single thread, and as of this change, now have 720 one thread per <acronym>FFS</acronym> mountpoint.</para> 721 </sect3> 722 </sect2> 723 724 <sect2 xml:id="userland"> 725 <title>Userland Changes</title> 726 727 <para revision="260177" contrib="sponsor" 728 sponsor="&netflix;">A new flag is added to &man.camcontrol.8;, 729 <literal>-b</literal>, which outputs the existing buses and 730 their parents.</para> 731 732 <para revision="262075">The &man.newsyslog.8; utility has been 733 updated to rotate files based on the actual file size instead 734 of the blocks on disk. This matches the behavior documented 735 in &man.newsyslog.conf.5;.</para> 736 737 <para revision="262384">The location of the &man.rctl.8; 738 configuration file can now be overridden in &man.rc.conf.5;. 739 To use a non-default location, set 740 <literal>rctl_rules</literal> in &man.rc.conf.5; to the 741 location of the file.</para> 742 743 <para revision="262855">The <application>ATF</application> test 744 suite has been updated to version 0.20.</para> 745 746 <para revision="263019">The <literal>libucl</literal> library 747 (Unified Configuration Library) has been merged from 748 &os;-CURRENT.</para> 749 750 <para revision="263020">The &man.pkg.7; bootstrapping utility 751 has been synced with the version in &os;-CURRENT.</para> 752 753 <para revision="263403">The &man.zfs.8; userland utility has 754 been updated to include aliases for 755 <command>snapshot</command>, which allows use of <command>zfs 756 list -t snap</command> and <command>zfs 757 snap</command>.</para> 758 759 <para revision="263405">The &man.zfs.8; userland utility has 760 been updated to include a new flag to <command>zfs 761 list</command>, <literal>-p</literal>, which when specified, 762 prints the output in a parsable format.</para> 763 764 <para revision="263783">The Blowfish password format 765 implementation updated. Support for $2b$ has 766 been added, allowing use of passwords greater than 256 767 characters long.</para> 768 769 <para revision="264497">The &man.iconv.3; library has been 770 updated to match NetBSD, providing several bug fixes.</para> 771 772 <para revision="265265">The &man.date.1; utility has been 773 updated to include a new flag, <literal>-R</literal>, which 774 prints the date and time output as specified in RFC 775 2822.</para> 776 777 <para revision="265533">The &man.bc.1; utility has been updated 778 to version 1.1, in sync with the version in OpenBSD.</para> 779 780 <para revision="265604" contrib="vendor" 781 vendor="&netflix;">The &man.pmcstat.8; utility has been 782 updated to include a new flag, <literal>-a</literal>, which 783 when specified, produces a full stack track on the sampled 784 points.</para> 785 786 <para revision="265701">The &man.netstat.8; and &man.route.8; 787 utilities have been updated to include a shorthand equivalent 788 to the <literal>-f inet</literal> and <literal>-f 789 inet6</literal> address specifiers, <literal>-4</literal> 790 and <literal>-6</literal>, respectively.</para> 791 792 <para revision="265879">The &man.crypt.3; library now defaults 793 to SHA512 for password hashing.</para> 794 795 <para revision="266014">The &man.gvinum.8; utility has been 796 updated to allow forceful configuration reset with the 797 <literal>-f</literal> flag. Additionally, a bug that would 798 prevent <literal>-f</literal> from properly creating 799 a &man.gvinum.8; configuration has been fixed.</para> 800 801 <para revision="266029">The &man.login.conf.5; file now takes 802 precedence over the shell-specific environment files. In 803 particular, the <literal>PATH</literal>, 804 <literal>BLOCKSIZE</literal> variables are commented from 805 <filename>/usr/share/skel/dot.profile</filename>, and the 806 <literal>path</literal>, <literal>BLOCKSIZE</literal>, and 807 <literal>umask</literal> variables have been commented from 808 <filename>/usr/share/skel/dot.cshrc</filename>.</para> 809 810 <para revision="266272">The &man.binmiscctl.8; userland utility 811 and related image activator features have been merged from 812 &os;-CURRENT.</para> 813 814 <para revision="266279">The &man.ps.1; utility has been 815 updated to include the <literal>-J</literal> flag, used to 816 filter output by matching &man.jail.8; IDs and names. 817 Additionally, argument <literal>0</literal> can be used to 818 <literal>-J</literal> to only list processes running on the 819 host system.</para> 820 821 <para revision="266280">The &man.top.1; utility has been updated 822 to filter by &man.jail.8; ID or name, in followup to the 823 &man.ps.1; change in <literal>r265229</literal>.</para> 824 825 <para revision="266610">The &man.gstat.8; utility has been 826 updated to include a new flag, <literal>-o</literal>. When 827 set, &man.gstat.8; will display statistics for operations 828 such as <literal>BIO_FLUSH</literal>.</para> 829 830 <para revision="266632">The &man.fetch.3; library has been 831 updated to look for root <acronym>SSL</acronym> certificates 832 in <filename class="directory">/usr/local/etc/ssl/</filename> 833 before <filename 834 class="directory">/etc/ssl/</filename>.</para> 835 836 <para revision="266715">The &man.clang.1;/llvm suite has been 837 updated to version 3.4.1.</para> 838 839 <para revision="266816">The Blowfish password format 840 has been changed to $2b$ by default.</para> 841 842 <para revision="266888">The amount of data collected for 843 &man.hwpmc.4; has been updated to work with modern processors 844 and larger amounts of available memory.</para> 845 846 <para revision="266890">The &man.pmcstat.8; utility has been 847 updated to include a new flag, <literal>-l</literal>, which 848 ends event collection after the specified number of 849 seconds.</para> 850 851 <para revision="266953">The &man.mergemaster.8; utility has 852 been updated to avoid printing 853 <quote><filename>/var/tmp/temproot</filename> 854 disappeared</quote> if there is nothing to compare.</para> 855 856 <para revision="267056">The &os; installer, &man.bsdinstall.8;, 857 has been updated to include optional 858 &man.geli.8;-encrypted or &man.gmirror.8;-mirrored swap 859 devices when installing onto a full &man.zfs.8; filesystem. 860 Additionally, the parent &man.zfs.8; dataset is now configured 861 with <literal>lz4</literal> compression enabled.</para> 862 863 <para revision="267113">The default &man.newsyslog.conf.5; now 864 includes files in the 865 <filename>/etc/newsyslog.conf.d/</filename> and 866 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 867 directories by default for &man.newsyslog.8;.</para> 868 869 <para revision="267161">The &man.realpath.1; utility has been 870 updated to return <literal>ENOTDIR</literal> on paths 871 components <quote>.</quote> and <quote>..</quote> that are 872 not directories, such as <filename 873 class="directory">/dev/null/.</filename> or <filename 874 class="directory">/dev/null/..</filename>.</para> 875 876 <para revision="267236">A new flag, <quote>onifconsole</quote> 877 has been added to <filename>/etc/ttys</filename>. This allows 878 the system to provide a login prompt via serial console if the 879 device is an active kernel console, otherwise it is equivalent 880 to <literal>off</literal>.</para> 881 882 <para revision="267341">Support for legacy 883 <acronym>PCI</acronym> devices has been removed from 884 &man.bhyve.8;.</para> 885 886 <para revision="267450">The &man.bhyve.8; userland utility 887 has been updated to include SMBIOS support. A new flag has 888 been added, <literal>-U</literal>, which allows specifying the 889 UUID of the guest in the System Information structure.</para> 890 891 <para revision="267734">The &os; Project has migrated 892 from the <application>GNATS</application> bug tracking system 893 to <application>Bugzilla</application>. The &man.send-pr.1; 894 utility used for submitting problem reports has been replaced 895 with a stub shell script that instructs to use the Bugzilla 896 web interface.</para> 897 898 <para revision="267747">The &man.patch.1; utility has been 899 updated to include a <literal>--dry-run</literal> flag, which 900 is equivalent to <literal>--check</literal> and 901 <literal>-C</literal>.</para> 902 903 <para revision="267878">A bug in &man.bsdgrep.1; that would 904 prevent patterns from being matched under certain conditions 905 has been fixed.</para> 906 907 <para revision="267979">The &man.procstat.1; utility has been 908 updated to include two new flags, <literal>-r</literal> and 909 <literal>-H</literal>. When <literal>-r</literal> is 910 specified, &man.procstat.1; will print current resource usage 911 about the process(es). When <literal>-H</literal> is 912 specified, &man.procstat.1; will print information about 913 threads rather than the process(es).</para> 914 915 <note> 916 <para>The <literal>-H</literal> flag is currently only used 917 with <literal>-r</literal> to display resource usage for 918 individual threads, rather than the entire process.</para> 919 </note> 920 921 <para revision="268019">The &man.sed.1; utility has been 922 updated to include a new flag, <literal>-u</literal>, which 923 enables unbuffered output when specified.</para> 924 925 <para revision="268161">The &man.mkimg.1; utility has been 926 merged from &os;-CURRENT.</para> 927 928 <para revision="268700" contrib="sponsor" 929 sponsor="&spectralogic;">The &man.camcontrol.8; has been 930 updated to include a new <literal>persist</literal> command, 931 which allows issuing <command>SCSI PERSISTENT RESERVE 932 IN</command> and <command>SCSI PERSISTENT RESERVE 933 OUT</command>.</para> 934 935 <para revision="268791">The &man.gstat.8; utility has been 936 updated to include a new flag, <literal>-p</literal>, which 937 displays only physical providers when specified.</para> 938 939 <para revision="268903">The &man.kldstat.8; utility has been 940 updated to allow <literal>-q</literal> to be specified when 941 also specifying <literal>-n 942 <replaceable>module.ko</replaceable></literal>.</para> 943 944 <para revision="269177">The &man.mkimg.1; utility has been 945 updated to include support for both fixed- and 946 dynamically-allocated images for the <acronym>VHD</acronym> 947 and <acronym>VMDK</acronym> formats.</para> 948 949 <para revision="269220">The &man.random.4; entropy collection 950 script, <filename>/usr/libexec/save-entropy</filename>, no 951 longer runs within &man.jail.8; environments.</para> 952 953 <para revision="269397">The &man.bhyve.8; wrapper script, 954 <filename>/usr/share/examples/bhyve/vmrun.sh</filename>, 955 has been synced with &os;-CURRENT.</para> 956 957 <para>This update includes:</para> 958 959 <itemizedlist> 960 <listitem> 961 <para>A new flag, <literal>-e</literal>, has been added, 962 which is used to set &man.loader.8; environment 963 variables.</para> 964 </listitem> 965 966 <listitem> 967 <para>A new flag, <literal>-C</literal>, has been added, 968 which is used to specify the guest console device.</para> 969 </listitem> 970 971 <listitem> 972 <para>A new flag, <literal>-H</literal>, has been added, 973 which is used to pass the host path to 974 &man.bhyveload.8;.</para> 975 </listitem> 976 977 <listitem> 978 <para>Support for multiple disk and &man.tap.4; devices 979 has been added.</para> 980 </listitem> 981 982 <listitem> 983 <para>The <literal>-I</literal> flag has been 984 removed.</para> 985 </listitem> 986 </itemizedlist> 987 988 <para revision="269398">The &man.nfsd.8; server update to 4.1, 989 adding support for RFC5661, has merged from 990 &os;-CURRENT.</para> 991 992 <para revision="269432" arch="ia64">The serial terminals 993 <filename>ttyu0</filename> and <filename>ttyu1</filename> have 994 been updated to <literal>onifconsole</literal> by default in 995 &man.ttys.5;, which either can be the serial console, 996 depending on the platform.</para> 997 998 <para revision="269800">The &man.ping6.8; utility has been 999 updated to reset <literal>itimer</literal> when the maximum 1000 number of packets to send have been reached. This prevents 1001 &man.ping6.8; from exiting when the interval in set to a small 1002 value and a low number of packets to send has been 1003 specified.</para> 1004 1005 <para revision="269805">The &man.jail.8; utility has been 1006 updated to support extra &man.ifconfig.8; arguments for the 1007 <literal>ip4.addr</literal> and <literal>ip6.addr</literal> 1008 parameters. This change allows &man.carp.4; interfaces to 1009 be used within the &man.jail.8;.</para> 1010 1011 <para revision="269946">Support for generating and compiling 1012 <acronym>USDT</acronym> <application>DTrace</application> 1013 probes has been improved. <application>DTrace</application> 1014 <acronym>USDT</acronym> files are now handled similar to 1015 &man.lex.1; and &man.yacc.1; files, meaning support for 1016 handling <application>D</application> files as part of the 1017 build process is built into the <literal>SRCS</literal> 1018 &man.make.1; environment variable.</para> 1019 1020 <para revision="269968">The &man.iscsictl.8; utility has been 1021 updated to include a new flag, <literal>-M</literal>, which 1022 allows modifying the <acronym>iSCSI</acronym> session 1023 parameters without requiring the session to be removed and 1024 added back.</para> 1025 1026 <para revision="270043">The &man.mount.nfs.8; utility has been 1027 updated to support specifying the NFS version as 1028 a <literal>key=<replaceable>value</replaceable></literal> pair 1029 argument to the <literal>-o</literal> flag. For example, to 1030 specify NFS version 4, the syntax to use is 1031 <literal>-o vers=4</literal>.</para> 1032 1033 <para revision="270242" contrib="sponsor" 1034 sponsor="&spectralogic;">The &man.devd.8; client socket type 1035 has been changed to <literal>SOCK_SEQPACKET</literal>, 1036 providing sequential packet support.</para> 1037 1038 <para revision="270401">Support for the <quote>account</quote> 1039 facility has been added to the &man.pam.group.8; 1040 module.</para> 1041 1042 <sect3 xml:id="rc-scripts"> 1043 <title><filename>/etc/rc.d</filename> Scripts</title> 1044 1045 <para revision="264438">The <filename>network.subr</filename> 1046 &man.rc.8; script has been updated to loosen the requirement 1047 of listing network aliases in numeric order. Previously, 1048 a network alias of 1049 <literal>_alias<replaceable>2</replaceable></literal> 1050 would not be created if 1051 <literal>_alias<replaceable>1</replaceable></literal> was 1052 not defined.</para> 1053 1054 <para revision="268098">The &man.service.8; utility has been 1055 updated to check that the &man.rc.d.8; directory exists 1056 before traversing the directory.</para> 1057 </sect3> 1058 </sect2> 1059 1060 <sect2 xml:id="contrib"> 1061 <title>Contributed Software</title> 1062 1063 <para revision="263285">The &man.xz.1; utility has been updated 1064 to a post-5.0.5 snapshot.</para> 1065 1066 <para revision="264377"><application>OpenSSH</application> has 1067 been updated to version 6.6p1.</para> 1068 1069 <para revision="264911">The &man.nc.1; utility has been updated 1070 to match the version in OpenBSD 5.5.</para> 1071 1072 <para revision="266692"><application>Sendmail</application> 1073 has been updated to 8.14.9.</para> 1074 1075 <para revision="267477">The timezone database has been updated 1076 to version tzdata2014e.</para> 1077 1078 <para revision="268515">The &man.file.1; utility and 1079 &man.libmagic.3; library have been updated to 5.19.</para> 1080 1081 <para revision="268899">The &man.byacc.1; parser has been 1082 updated to version 20140422.</para> 1083 1084 <para revision="269024" contrib="sponsor" 1085 sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has 1086 been updated to the r202189 snapshot.</para> 1087 1088 <para revision="269257">The &man.unbound.8; caching resolver and 1089 <literal>ldns</literal> have been updated to version 1090 1.4.22.</para> 1091 1092 <para revision="269686"><application>OpenSSL</application> has 1093 been updated to version 1.0.1i.</para> 1094 1095 <para revision="269847">The <quote>lite</quote> version of 1096 <application>Subversion</application> included in the 1097 &os; base system and its dependencies have been 1098 updated:</para> 1099 1100 <itemizedlist> 1101 <listitem> 1102 <para><application>apr</application> has been 1103 updated to version 1.5.1.</para> 1104 </listitem> 1105 1106 <listitem> 1107 <para><application>apr-util</application> has been 1108 updated to version 1.5.3.</para> 1109 </listitem> 1110 1111 <listitem> 1112 <para><application>serf</application> has been 1113 updated to version 1.3.7.</para> 1114 </listitem> 1115 1116 <listitem> 1117 <para><application>svnlite</application> has been 1118 updated to version 1.8.10.</para> 1119 </listitem> 1120 </itemizedlist> 1121 1122 <para revision="270026">The &man.nvi.1; editor has been 1123 update to version 2.1.2-c80f493b038.</para> 1124 1125 <para revision="270031">The &man.fparseln.3; library has 1126 been updated to version 1.7.</para> 1127 1128 <para revision="270415">The <application>lukemftpd</application> 1129 <acronym>FTP</acronym> server has been removed from the 1130 &os; base system.</para> 1131 </sect2> 1132 1133 <sect2 xml:id="ports"> 1134 <title>Ports/Packages Collection Infrastructure</title> 1135 1136 <para> </para> 1137 1138 </sect2> 1139 1140 <sect2 xml:id="releng"> 1141 <title>Release Engineering and Integration</title> 1142 1143 <para revision="263028">The &man.services.mkdb.8; utility has 1144 been updated to include endianness awareness, allowing the 1145 <filename>services.db</filename> database to be created as 1146 part of the release build, regardless of native- or 1147 cross-built releases.</para> 1148 </sect2> 1149 1150 <sect2 xml:id="doc"> 1151 <title>Documentation</title> 1152 1153 <para> </para> 1154 1155 </sect2> 1156 </sect1> 1157 1158 <sect1 xml:id="upgrade"> 1159 <title>Upgrading from Previous Releases of &os;</title> 1160 1161 <para arch="amd64,i386">Binary upgrades between RELEASE versions 1162 (and snapshots of the various security branches) are supported 1163 using the &man.freebsd-update.8; utility. The binary upgrade 1164 procedure will update unmodified userland utilities, as well as 1165 unmodified GENERIC or SMP kernels distributed as a part of an 1166 official &os; release. The &man.freebsd-update.8; utility 1167 requires that the host being upgraded have Internet 1168 connectivity.</para> 1169 1170 <para>Source-based upgrades (those based on recompiling the &os; 1171 base system from source code) from previous versions are 1172 supported, according to the instructions in 1173 <filename>/usr/src/UPDATING</filename>.</para> 1174 1175 <important> 1176 <para>Upgrading &os; should only be attempted after 1177 backing up <emphasis>all</emphasis> data and configuration 1178 files.</para> 1179 </important> 1180 </sect1> 1181</article> 1182