article.xml revision 260094
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 7<!-- local entities not available in doc/release/10.0.0 tag --> 8<!ENTITY man.drill.1 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>drill</refentrytitle><manvolnum>1</manvolnum></citerefentry>"> 9<!ENTITY man.freebsd-version.1 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>freebsd-version</refentrytitle><manvolnum>1</manvolnum></citerefentry>"> 10<!ENTITY man.jemalloc.3 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>jemalloc</refentrytitle><manvolnum>3</manvolnum></citerefentry>"> 11<!ENTITY man.bhyve.4 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>bhyve</refentrytitle><manvolnum>4</manvolnum></citerefentry>"> 12<!ENTITY man.nvme.4 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>nvme</refentrytitle><manvolnum>4</manvolnum></citerefentry>"> 13<!ENTITY man.virtio.4 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>virtio</refentrytitle><manvolnum>4</manvolnum></citerefentry>"> 14<!ENTITY man.virtio_balloon.4 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>virtio_balloon</refentrytitle><manvolnum>4</manvolnum></citerefentry>"> 15<!ENTITY man.virtio_blk.4 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>virtio_blk</refentrytitle><manvolnum>4</manvolnum></citerefentry>"> 16<!ENTITY man.virtio_scsi.4 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>virtio_scsi</refentrytitle><manvolnum>4</manvolnum></citerefentry>"> 17<!ENTITY man.vmx.4 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>vmx</refentrytitle><manvolnum>4</manvolnum></citerefentry>"> 18<!ENTITY man.pkg.7 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>pkg</refentrytitle><manvolnum>7</manvolnum></citerefentry>"> 19<!ENTITY man.bhyve.8 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>bhyve</refentrytitle><manvolnum>8</manvolnum></citerefentry>"> 20<!ENTITY man.bsdconfig.8 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>bsdconfig</refentrytitle><manvolnum>8</manvolnum></citerefentry>"> 21<!ENTITY man.unbound.8 "<citerefentry xmlns='http://docbook.org/ns/docbook'><refentrytitle>unbound</refentrytitle><manvolnum>8</manvolnum></citerefentry>"> 22]> 23<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"> 24<info><title>&os; &release.current; Release Notes</title> 25 26 27 <author><orgname>The &os; Project</orgname></author> 28 29 <pubdate>$FreeBSD: releng/10.0/release/doc/en_US.ISO8859-1/relnotes/article.xml 260094 2013-12-30 18:42:09Z gjb $</pubdate> 30 31 <copyright> 32 <year>2000</year> 33 <year>2001</year> 34 <year>2002</year> 35 <year>2003</year> 36 <year>2004</year> 37 <year>2005</year> 38 <year>2006</year> 39 <year>2007</year> 40 <year>2008</year> 41 <year>2009</year> 42 <year>2010</year> 43 <year>2011</year> 44 <year>2012</year> 45 <year>2013</year> 46 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation Project</holder> 47 </copyright> 48 49 <legalnotice xml:id="trademarks" role="trademarks"> 50 &tm-attrib.freebsd; 51 &tm-attrib.ibm; 52 &tm-attrib.ieee; 53 &tm-attrib.intel; 54 &tm-attrib.sparc; 55 &tm-attrib.general; 56 </legalnotice> 57 58 <abstract> 59 <para>The release notes for &os; &release.current; contain a summary 60 of the changes made to the &os; base system on the 61 &release.branch; development line. 62 This document lists applicable security advisories that were issued since 63 the last release, as well as significant changes to the &os; 64 kernel and userland. 65 Some brief remarks on upgrading are also presented.</para> 66 </abstract> 67</info> 68 69<sect1 xml:id="intro"> 70 <title>Introduction</title> 71 72 <para>This document contains the release notes for &os; 73 &release.current;. It 74 describes recently added, changed, or deleted features of &os;. 75 It also provides some notes on upgrading 76 from previous versions of &os;.</para> 77 78 <para>The latest, up-to-date version of the release notes are 79 available online at <uri 80 xlink:href="&release.url;10.0R/relnotes.html">&release.url;10.0R/relnotes.html</uri>.</para> 81 82 <para releasetype="current">The &release.type; distribution to which these release notes 83 apply represents the latest point along the &release.branch; development 84 branch since &release.branch; was created. Information regarding pre-built, binary 85 &release.type; distributions along this branch 86 can be found at <uri xlink:href="&release.url;">&release.url;</uri>.</para> 87 88 <para releasetype="snapshot">The &release.type; distribution to which these release notes 89 apply represents a point along the &release.branch; development 90 branch between &release.prev; and the future &release.next;. 91 Information regarding 92 pre-built, binary &release.type; distributions along this branch 93 can be found at <uri xlink:href="&release.url;">&release.url;</uri>.</para> 94 95 <para releasetype="release">This distribution of &os; &release.current; is a 96 &release.type; distribution. It can be found at <uri xlink:href="&release.url;">&release.url;</uri> or any of its mirrors. More 97 information on obtaining this (or other) &release.type; 98 distributions of &os; can be found in the <link xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining 99 &os;</quote> appendix</link> to the <link xlink:href="&url.books.handbook;/">&os; 100 Handbook</link>.</para> 101 102 <para>All users are encouraged to consult the release errata before 103 installing &os;. The errata document is updated with 104 <quote>late-breaking</quote> information discovered late in the 105 release cycle or after the release. Typically, it contains 106 information on known bugs, security advisories, and corrections to 107 documentation. An up-to-date copy of the errata for &os; 108 &release.current; can be found on the &os; Web site.</para> 109 110</sect1> 111 112<sect1 xml:id="new"> 113 <title>What's New</title> 114 115 <para>This section describes 116 the most user-visible new or changed features in &os; 117 since &release.prev;. 118 In general, changes described here are unique to the &release.branch; 119 branch unless specifically marked as &merged; features. 120 </para> 121 122 <para>Typical release note items 123 document recent security advisories issued after 124 &release.prev;, 125 new drivers or hardware support, new commands or options, 126 major bug fixes, or contributed software upgrades. They may also 127 list changes to major ports/packages or release engineering 128 practices. Clearly the release notes cannot list every single 129 change made to &os; between releases; this document focuses 130 primarily on security advisories, user-visible changes, and major 131 architectural improvements.</para> 132 133 <sect2 xml:id="security"> 134 <title>Security Advisories</title> 135 136 <para>No security advisories.</para> 137 138 </sect2> 139 140 <sect2 xml:id="kernel"> 141 <title>Kernel Changes</title> 142 143 <para revision="248508">The use of unmapped VMIO buffers eliminates the need to perform 144 TLB shootdown for mapping on buffer creation and reuse, greatly reducing the 145 amount of IPIs for shootdown on big-SMP machines and eliminating up to 25-30% 146 of the system time on i/o intensive workloads.</para> 147 148 <para arch="amd64" revision="254466">The maximum amount of memory the &os; kernel 149 can address has been increased from 1TB to 4TB.</para> 150 151 <para>A new &man.cpuset.2; API has been added 152 for thread to CPU binding and CPU resource grouping and 153 assignment. The &man.cpuset.1; userland utility has been added 154 to allow manipulation of processor sets.</para> 155 156 <para role="merged">The &man.ddb.4; kernel debugger now has an output capture 157 facility. Input and output from &man.ddb.4; can now be captured 158 to a memory buffer for later inspection using &man.sysctl.8; or 159 a textdump. The new <command>capture</command> command controls 160 this feature.</para> 161 162 <para role="merged">The &man.ddb.4; debugger now supports a simple scripting 163 facility, which supports a set of named scripts consisting of a 164 set of &man.ddb.4; commands. These commands can be managed from 165 within &man.ddb.4; or with the use of the new &man.ddb.8; 166 utility. More details can be found in the &man.ddb.4; manual 167 page.</para> 168 169 <para role="merged">The kernel now supports a new textdump format of kernel 170 dumps. A textdump provides higher-level information via 171 mechanically generated/extracted debugging output, rather than a 172 simple memory dump. This facility can be used to generate brief 173 kernel bug reports that are rich in debugging information, but 174 are not dependent on kernel symbol tables or precisely 175 synchronized source code. More information can be found in the 176 &man.textdump.4; manual page.</para> 177 178 <para>Kernel support for M:N threading has been removed. While 179 the KSE (Kernel Scheduled Entities) project was quite successful 180 in bringing threading to FreeBSD, the M:N approach taken by the 181 KSE library was never developed to its full potential. 182 Backwards compatibility for applications using KSE threading 183 will be provided via &man.libmap.conf.5; for dynamically linked 184 binaries. The &os; Project greatly appreciates the work of 185 &a.julian;, &a.deischen;, and &a.davidxu; on KSE support.</para> 186 187 <para>The &os; kernel now exports information about certain kernel 188 features via the <varname>kern.features</varname> sysctl tree. 189 The &man.feature.present.3; library call provides a convenient 190 interface for user applications to test the presence of 191 features.</para> 192 193 <para arch="amd64">The &os; kernel now has support for large 194 memory page mappings (<quote>superpages</quote>).</para> 195 196 <para arch="amd64,i386,ia64,powerpc" role="merged">The ULE 197 scheduler is now the default process scheduler 198 in <filename>GENERIC</filename> kernels.</para> 199 200 <para arch="amd64,i386" revision="240135">Support was added for 201 the new Intel on-CPU Bull Mountain random number 202 generator, found on IvyBridge and supposedly later CPUs, 203 accessible with RDRAND instruction.</para> 204 205 <sect3 xml:id="kernel-virtualization"> 206 <title>Virtualization support</title> 207 <para arch="amd64" revision="245652">The BSD Hypervisor, &man.bhyve.8; is included 208 with &os;. &man.bhyve.8; requires Intel CPUs with VT-x and Extended Page Table (EPT) 209 support. These features are on all Nehalem models and beyond 210 (e.g. Nehalem and newer), but not on the lower-end Atom CPUs.</para> 211 212 <para revision="227652">&man.virtio.4; support has been added. &man.virtio.4; is the 213 name for the paravirtualization interface developed for the Linux KVM, but 214 since adopted to other virtual machine hypervisors (with the notable exception of Xen). 215 This work brings in a BSD-licensed clean-room implementation of the virtio kernel drivers 216 for disk IO (&man.virtio_blk.4; and &man.virtio_scsi.4;), network IO (&man.vtnet.4;), 217 memory ballooning (&man.virtio_balloon.4;), and PCI. 218 Tested with on Qemu/KVM, VirtualBox, and &man.bhyve.4;.</para> 219 220 <para arch="amd64,i386" revision="255524">Paravirtualized drivers which 221 support Microsoft Hyper-V have been imported and made 222 part of the amd64 GENERIC kernel. For i386, these drivers are not part of 223 GENERIC, so the following lines must be added to 224 <filename>/boot/loader.conf</filename> to load these drivers: 225 <programlisting>hv_ata_pci_disengage_load="YES" 226hv_netsvc_load="YES" 227hv_utils_load="YES" 228hv_vmbus_load="YES"</programlisting> Alternatively, the Hyper-V drivers can be added to the i386 229 kernel by adding <literal>device hyperv</literal> to the kernel config, and then 230 recompiling the kernel. Please refer to: 231 <link xlink:href="http://wiki.freebsd.org/HyperV">FreeBSD and Microsoft Windows Server Hyper-V support</link> 232 for full instructions on how to set up Hyper-V support under FreeBSD.</para> 233 234 <para revision="254738">The &man.vmx.4; driver has been added. 235 &man.vmx.4; is a VMware VMXNET3 ethernet driver ported from 236 OpenBSD.</para> 237 238 <para revision="255744" arch="amd64,i386">Xen PVHVM virtualization is now 239 part of the GENERIC kernel.</para> 240 241 </sect3> 242 243 <sect3 xml:id="kernel-arm"> 244 <title>ARM support</title> 245 246 <para revision="239922">Raspberry PI support has been added. 247 Refer to these <link xlink:href="http://kernelnomicon.org/?p=164">setup instructions</link> 248 and <link xlink:href="http://www.raspberrypi.org/quick-start-guide">quick start 249 guide</link>.</para> 250 251 <para revision="253396">The default ABI on ARM is now the ARM EABI. This brings a number of 252 improvements and allows future support for VFP and Thumb-2.</para> 253 254 <para revision="239268">ARM support has been greatly improved, including support 255 for ARMv6 and ARMv7, SMP and thread-local storage (TLS). 256 Additionally support for some newer SoC like the MV78x60 and OMAP4 was added. 257 See <link xlink:href="http://lists.freebsd.org/pipermail/freebsd-arm/2012-August/003757.html">this announcement</link> 258 for further details.</para> 259 260 <para revision="254918">Superpages support on ARM has been added. Superpages support 261 provides improved performance and scalability by allowing TLB 262 translations to dynamically cover large physical memory regions. 263 All ARMv6 and ARMv7-based platforms can take advantage of this feature. 264 See <link xlink:href="https://wiki.freebsd.org/ARMSuperpages">this page</link> 265 for further details.</para> 266 267 </sect3> 268 269 <sect3 xml:id="boot"> 270 <title>Boot Loader Changes</title> 271 272 <para arch="amd64,i386" role="merged">The BTX kernel used by the boot 273 loader has been changed to invoke BIOS routines from real 274 mode. This change makes it possible to boot &os; from USB 275 devices.</para> 276 277 <para arch="amd64,i386" role="merged">A new gptboot boot loader has 278 been added to support booting from a GPT labeled disk. A 279 new <command>boot</command> command has been added to 280 &man.gpt.8;, which makes a GPT disk bootable by writing the 281 required bits of the boot loader, creating a new boot 282 partition if required.</para> 283 284 </sect3> 285 286 <sect3 xml:id="proc"> 287 <title>Hardware Support</title> 288 289 <para role="merged">The &man.cmx.4; driver, a driver for Omnikey CardMan 4040 290 PCMCIA smartcard readers, has been added.</para> 291 292 <para>The &man.syscons.4; driver now supports Colemak keyboard layout.</para> 293 294 <para role="merged">The &man.uslcom.4; driver, a driver for Silicon 295 Laboratories CP2101/CP2102-based USB serial adapters, has been 296 imported from OpenBSD.</para> 297 298 <sect4 xml:id="mm"> 299 <title>Multimedia Support</title> 300 301 <para revision="240609">Support for version 2.0 of the USB Audio reference design 302 has been added. New devices should support higher bandwidth, 303 increased sampling frequency and wider dynamic range.</para> 304 305 </sect4> 306 307 <sect4 xml:id="net-if"> 308 <title>Network Interface Support</title> 309 310 <para>The &man.ale.4; driver has been added to provide support 311 for Atheros AR8121/AR8113/AR8114 Gigabit/Fast Ethernet controllers.</para> 312 313 <para>The &man.em.4; driver has been split into two drivers 314 with some common parts. The &man.em.4; driver will continue 315 to support adapters up to the 82575, as well as new 316 client/desktop adapters. A new &man.igb.4; driver 317 will support new server adapters.</para> 318 319 <para>The &man.jme.4; driver has been added to provide support 320 for PCIe network adapters based on JMicron JMC250 Gigabit 321 Ethernet and JMC260 Fast Ethernet controllers.</para> 322 323 <para>The &man.malo.4; driver has been added to provide 324 support for Marvell Libertas 88W8335 based PCI network 325 adapters.</para> 326 327 <para>The firmware for the &man.mxge.4; driver has been 328 updated from 1.4.25 to 1.4.29.</para> 329 330 <para>The &man.sf.4; driver has been overhauled to improve its 331 performance and to add support for checksum offloading. It 332 should also work on all architectures.</para> 333 334 <para>The &man.re.4; driver has been overhauled to fix a 335 number of issues. This driver now has Wake On LAN (WOL) 336 support.</para> 337 338 <para>The &man.vr.4; driver has been overhauled to fix a 339 number of outstanding issues. It also now works on all 340 architectures.</para> 341 342 <para arch="amd64,i386" role="merged">The &man.wpi.4; driver has 343 been updated to include a number of stability fixes.</para> 344 345 <para revision="248925">The &man.cxgbe.4; driver has been updated to support 346 40G/10G Ethernet NICs based on Chelsio's Terminator 5 (T5) ASIC.</para> 347 348 <para revision="256694">The iw_cxgbe driver has been added. This is an 349 experimental iWARP/RDMA driver 350 (kernel verbs only) for Chelsio's T4 and T5 based cards.</para> 351 352 <para revision="255932">The Open Fabrics Enterprise Distribution (OFED) and 353 OFED Infiniband core has been 354 updated to the same version as supplied by Linux version 3.7</para> 355 356 <para revision="255932">The Mellanox Infiniband driver has been updated to firmware 357 version 2.30.3200 for ConnectX3 NICs. Support has been added for ConnectX3 VPI NICs, where 358 each port can be used as Infiniband 56 GB/s or Ethernet 40 GB/s. Support has been added 359 for dynamically loading kernel modules for Infiniband core (ibcore) and 360 IP over Infiniband (ipoib).</para> 361 362 <para revision="227614">&man.netmap.4; has been added. &man.netmap.4; is a framework for 363 high-performance direct-to-hardware packet IO, offering low latency and high PPS 364 rates to userland applications while bypassing any kernel-side packet processing. 365 With &man.netmap.4; it is trivially possible to fully saturate a 10 Gbps network interface with 366 minimal packet sizes. For more information, see: 367 <link xlink:href="http://info.iet.unipi.it/~luigi/netmap/">Netmap Project</link>.</para> 368 369 </sect4> 370 </sect3> 371 372 <sect3 xml:id="net-proto"> 373 <title>Network Protocols</title> 374 375 <para revision="228571">&man.carp.4; has been rewritten to make addresses 376 more sane from the viewpoint of routing daemons such as 377 quagga/zebra. It also brings support for a single redundant 378 address on the subnet (carpdev), switching state with 379 &man.ifconfig.8;, better locking and using modern kernel 380 interfaces to allocate multicast memberships. 381 Configuration of the CARP protocol via &man.ifconfig.8; has changed, as well as format 382 of CARP events submitted to &man.devd.8; has changed. See &man.carp.4; 383 for more information. The arpbalance feature of &man.carp.4; is currently 384 not supported anymore.</para> 385 386 <para revision="240233">The &man.pf.4; firewall now supports fine-grain locking 387 and better utilization on multi-cpu machines resulting in 388 significant improvements in performance.</para> 389 390 <para revision="250700">Support for up to 65536 routing tables has been 391 introduced.</para> 392 393 <para revision="248552">Support for setting/matching differentiated services 394 codepoints (DSCP) in IP header has been added to 395 &man.ipfw.8;.</para> 396 397 </sect3> 398 399 <sect3 xml:id="disks"> 400 <title>Disks and Storage</title> 401 402 <para role="merged">The &man.aac.4; driver now supports volumes larger than 403 2TB in size.</para> 404 405 <para>The &man.ata.4; driver now supports a spindown command for 406 disks; after a configurable amount of time, if no requests 407 have been received for a disk, the disk will be spun down 408 until the next request. The &man.atacontrol.8; utility now 409 supports a <command>spindown</command> command to configure 410 this feature.</para> 411 412 <para role="merged">The &man.hptrr.4; driver has been updated to version 1.2 413 from Highpoint.</para> 414 415 <para revision="240616">&man.nvme.4; has been added and provides NVM Express support. 416 NVM Express is an optimized register interface, command set and feature set of 417 PCI Express (PCIe)-based Solid-State Drives (SSDs). For more information, 418 see <link xlink:href="http://http://www.nvmexpress.org/">nvmexpress.org</link>.</para> 419 420 </sect3> 421 422 <sect3 xml:id="fs"> 423 <title>File Systems</title> 424 425 <para revision="255570">A new kernel-based iSCSI target and initiator has been 426 added</para> 427 428 <para revision="243246">UFS filesystems can now be enlarged with &man.growfs.8; while 429 mounted read-write. This is especially useful for virtual 430 machines, allowing the addition of more harddrive space without 431 interruption of service.</para> 432 433 <para revision="241519">A state of the art FUSE implementation is now part of the 434 base system. It allows the use of nearly all fusefs file 435 systems</para> 436 437 <sect4 xml:id="fs-zfs"> 438 <title>ZFS</title> 439 440 <para revision="">&man.bsdinstall.8; now supports installing 441 ZFS on the root file system. It includes a single configuration menu 442 that allows you to select all of the required details, including 443 which drives to use, what ZFS RAID level to use (taking into consideration 444 the selected number of drives), GPT or MBR, GELI encryption, forcing 4K sectors, 445 pool name, etc.</para> 446 447 <para revision="240868">TRIM support has been added for 448 ZFS.</para> 449 450 <para revision="246586">Support for the high performance LZ4 compression algorithm 451 has been added to ZFS. LZ4 is usually faster and can achieve a 452 higher compression ratio than LZJB, the default compression 453 algorithm</para> 454 455 <para revision="252140">Support for L2ARC compression has been added to ZFS.</para> 456 457 <para revision="243524">The zio nop-write improvement from Illumos 458 was imported into &os;. To reduce I/O, nop-write skips overwriting 459 data if the checksum (cryptographically secure) of new data 460 matches the checksum of existing data. It also saves space if 461 snapshots are in use. This improvement only works only on 462 datasets with enabled compression, disabled deduplication and 463 sha256 checksums.</para> 464 465 <para>ZFS will now compare the checksums of incoming writes to 466 the checksum of the existing on-disk data and avoid issuing any 467 write I/O for data that has not changed. This will reduce I/O 468 as well as space usage because if the old block is referenced 469 by a snapshot, both copies of the block are kept even though 470 both contain the same data.</para> 471 472 </sect4> 473 474 </sect3> 475 476 </sect2> 477 478 <sect2 xml:id="userland"> 479 <title>Userland Changes</title> 480 481 <para revision="255321">On platforms where &man.clang.1; is the default 482 system compiler, (such as i386, amd64, arm) GCC and GNU libstdc++ are no 483 longer built by default. &man.clang.1; and libc++ from LLVM are used on 484 these platforms by instead. GCC 4.2.1 and libstdc++ are still built 485 and used by default on pc98 and all other platforms where &man.clang.1; 486 is not the default system compiler. 487 </para> 488 489 <para revision="251662">&man.clang.1; and llvm have been updated to 490 version 3.3 release. Please refer to 491 <link xlink:href="http://llvm.org/releases/3.3/tools/clang/docs/ReleaseNotes.html"> 492 Clang 3.3 Release Notes.</link></para> 493 494 <para role="merged" revision="255949">BIND has been replaced by &man.unbound.8; for 495 local dns resolution in the base system. With this change, nslookup 496 and dig are no longer a part of the base system. Users should 497 instead use &man.host.1; and &man.drill.1; Alternatively, 498 nslookup and dig can be obtained by installing the 499 dns/bind-tools port.</para> 500 501 <para revision="225937">sysinstall has been removed from the base system. 502 Auxiliary libraries and tools used by sysinstall such as libdisk, libftpio, 503 and sade have also been removed. sysinstall has been replaced by 504 &man.bsdinstall.8; and &man.bsdconfig.8;.</para> 505 506 <para revision="256106">&man.freebsd-version.1; has been added. This tool 507 makes a best effort to determine the version and patch level of 508 the installed kernel and userland.</para> 509 510 <para revision="255191">GNU patch has been removed from the base system, and replaced 511 by a BSD-licensed &man.patch.1; program.</para> 512 513 <para revision="241511">GNU sort has been removed from the base system, and replaced 514 by a BSD-licensed &man.sort.1; program.</para> 515 516 <para revision="235723">Berkely yacc (byacc) has been imported 517 from <link xlink:href="http://invisible-island.net/byacc/">invisible island</link>. 518 This brings bison compatibilities to &man.yacc.1; while preserving full 519 backwards compatibility with previous version of &man.yacc.1;.</para> 520 521 <para revision="250881">&man.lex.1; has been replaced by flex 2.5.37</para> 522 523 <para revision="250699">&man.make.1; has been replaced with the 524 "Portable" BSD make tool (bmake) from NetBSD.</para> 525 526 <para role="merged">The &man.adduser.8; utility now supports 527 a <option>-M</option> option to set the mode of a new user's 528 home directory.</para> 529 530 <para>BSD-licensed versions of &man.ar.1; and &man.ranlib.1;, 531 based on <filename>libarchive</filename>, have replaced the GNU 532 Binutils versions of these utilities.</para> 533 534 <para>BSD-licensed versions of &man.bc.1; and &man.dc.1; have 535 replaced their GNU counterparts.</para> 536 537 <para role="merged">&man.chflags.1; now supports a <option>-v</option> flag for 538 verbose output and a <option>-f</option> flag to ignore errors 539 with the same semantics as (for example) 540 &man.chmod.1;.</para> 541 542 <para>For compatibility with other implementations, &man.cp.1; now 543 supports a <option>-a</option> flag, which is equivalent to 544 specifying the <option>-RrP</option> flags.</para> 545 546 <para>BSD-licensed version of &man.cpio.1; based on 547 <filename>libarchive</filename>, has replaced the GNU cpio. 548 Note that the GNU cpio is still installed as 549 <filename>gcpio</filename>.</para> 550 551 <para>The &man.env.1; program now supports <option>-u 552 <replaceable>name</replaceable></option> 553 which will completely unset the given variable 554 <replaceable>name</replaceable> by removing it from the environment, 555 instead of just setting it to a null value.</para> 556 557 <para>The &man.fdopendir.3; library function has been added.</para> 558 559 <para role="merged">The &man.fetch.3; library now support HTTP 1.1 560 If-Modified-Since behavior. The &man.fetch.1; program now 561 supports <option>-i <replaceable>filename</replaceable></option> 562 which will only download the specified HTTP URL if the content 563 is newer than <replaceable>filename</replaceable>.</para> 564 565 <para>&man.find.1; has been enhanced by the addition of a number 566 of primaries that were present in GNU find but not &os; 567 &man.find.1;.</para> 568 569 <para>&man.kgdb.1; now supports a new <command>add-kld</command> 570 command to make it easier to debug crash dumps with kernel 571 modules.</para> 572 573 <para>The &man.ls.1; program now supports a <option>-D</option> 574 option to specify a date format string to be used with the long 575 format (<option>-l</option>) output.</para> 576 577 <para>&man.nc.1; now supports a <option>-O</option> switch to 578 disable the use of TCP options.</para> 579 580 <para>&man.nc.1;'s <option>-o</option> switch has been deprecated. 581 It will be removed in a future release.</para> 582 583 <para>The &man.ping6.8; utility now returns <literal>2</literal> 584 when the packet transmission was successful but no responses 585 were received (this is the same behavior as &man.ping.8;). 586 It returned a non-zero value before this change.</para> 587 588 <para>The &man.procstat.1; utility has been added to display 589 detailed information about processes.</para> 590 591 <para role="merged">The &man.realpath.1; utility now supports 592 a <option>-q</option> flag to suppress warnings; it now also 593 accepts multiple paths on its command line.</para> 594 595 <para>&man.sh.1; has many bug fixes, some new features, and will now 596 refuse to parse some invalid scripts. Additionally, it now 597 has filename completion and defaults to the "emacs" editing 598 mode.</para> 599 600 <para>The &man.split.1; utility now supports a <option>-n</option> 601 flag to split a file into a certain number of chunks.</para> 602 603 <para>The &man.tar.1; utility now supports a <option>-Z</option> 604 flag to enable &man.compress.1;-style 605 compression/decompression.</para> 606 607 <para>The &man.tar.1; utility now supports a 608 <option>--numeric-owner</option> flag to ignore user/group names 609 on create and extract.</para> 610 611 <para>The &man.tar.1; utility now supports an 612 <option>-S</option> flag to sparsify files on extraction.</para> 613 614 <para>The &man.tar.1; utility now supports a <option>-s</option> 615 flag to substitute filenames based on the specified regular 616 expression.</para> 617 618 <para>The &man.tcgetsid.3; library function has been added to 619 return the process group ID for the session leader for the 620 controlling terminal. It is defined in IEEE Std 1003.1-2001 621 (POSIX).</para> 622 623 <para>&man.top.1; now supports a <option>-P</option> flag to 624 provide per-CPU usage statistics.</para> 625 626 <para>&man.zdump.8; is now working properly on 64 bit architectures. 627 </para> 628 629 <para>&man.traceroute.8; now has the ability to print the AS 630 number for each hop with the new <option>-a</option> switch; a 631 new <option>-A</option> option allows selecting a particular 632 WHOIS server.</para> 633 634 <para>&man.traceroute6.8; now supports a <option>-U</option> flag 635 to send probe packets with no upper-layer protocol, rather than 636 the usual UDP probe packets.</para> 637 638 <sect3 xml:id="rc-scripts"> 639 <title><filename>/etc/rc.d</filename> Scripts</title> 640 641 <para>The followoing &man.rc.8; scripts have been added:</para> 642 643 <informaltable frame="none" pgwide="0"> 644 <tgroup cols="2"> 645 <colspec colwidth="1*" /> 646 <colspec colwidth="1*" /> 647 <thead> 648 <row> 649 <entry>&man.rc.8; Script</entry> 650 <entry>Function</entry> 651 </row> 652 </thead> 653 654 <tbody> 655 <row> 656 <entry><filename>ctld</filename></entry> 657 <entry><para>iSCSI target daemon startup 658 script</para></entry> 659 </row> 660 <row> 661 <entry><filename>iscsictl</filename></entry> 662 <entry><para>iSCSI initiator management utility 663 startup script</para></entry> 664 </row> 665 <row> 666 <entry><filename>iscsid</filename></entry> 667 <entry><para>iSCSI initiatior daemon startup 668 script</para></entry> 669 </row> 670 <row> 671 <entry><filename>kfd</filename></entry> 672 <entry><para>Kerberos ticket forwarding daemon 673 startup script</para></entry> 674 </row> 675 <row> 676 <entry><filename>local_unbound</filename></entry> 677 <entry><para>Unbound startup script for the local 678 caching resolver</para></entry> 679 </row> 680 <row> 681 <entry><filename>postrandom</filename></entry> 682 <entry><para>Generates a new entropy file at system 683 boot</para></entry> 684 </row> 685 <row> 686 <entry><filename>swap</filename></entry> 687 <entry><para>Replaces <filename>swap1</filename>; 688 enable swap at system boot</para></entry> 689 </row> 690 <row> 691 <entry><filename>swaplate</filename></entry> 692 <entry><para>Enables swap with <quote>late</quote> 693 set at system boot</para></entry> 694 </row> 695 <row> 696 <entry><filename>utx</filename></entry> 697 <entry><para>User accounting database startup and 698 shutdown script</para></entry> 699 </row> 700 </tbody> 701 </tgroup> 702 </informaltable> 703 704 <para>The following &man.rc.8; scripts have been removed:</para> 705 706 <informaltable frame="none" pgwide="0"> 707 <tgroup cols="2"> 708 <colspec colwidth="1*" /> 709 <thead> 710 <row> 711 <entry>&man.rc.8; Script</entry> 712 <entry><para>Reason</para></entry> 713 </row> 714 </thead> 715 716 <tbody> 717 <row> 718 <entry><filename>encswap</filename></entry> 719 <entry><para>Replaced by <filename>swap</filename> and 720 <filename>swaplate</filename></para></entry> 721 </row> 722 <row> 723 <entry><filename>named</filename></entry> 724 <entry><para>Removed with 725 <application>BIND</application></para></entry> 726 </row> 727 <row> 728 <entry><filename>swap1</filename></entry> 729 <entry><para>Replaced by <filename>swap</filename> and 730 <filename>swaplate</filename></para></entry> 731 </row> 732 </tbody> 733 </tgroup> 734 </informaltable> 735 </sect3> 736 </sect2> 737 738 <sect2 xml:id="contrib"> 739 <title>Contributed Software</title> 740 741 <para revision="251300">&man.jemalloc.3; has been updated to 3.4.0. 742 See <link xlink:href="http://www.facebook.com/jemalloc/">this link</link>. 743 for more details.</para> 744 745 <para role="merged"><application>AMD</application> has been updated from 6.0.10 746 to 6.1.5.</para> 747 748 <para role="merged"><application>awk</application> has been updated from 1 May 749 2007 release to the 23 October 2007 release.</para> 750 751 <para role="merged"><application>bzip2</application> has been updated from 1.0.4 752 to 1.0.5.</para> 753 754 <para revision="251794"><application>CVS</application> has been removed from the 755 base system, but is still available from ports</para> 756 757 <para revision="251886">Subversion has been imported into the base system and 758 is installed as <application>svnlite</application>. <application>svnlite</application> 759 should only be used for checking out &os; source and committing, and does not 760 replace the full Subversion port.</para> 761 762 <para revision="234449"><application>file</application> has been updated to 5.11.</para> 763 764 <para revision="252726"><application>hostapd</application> has been 765 updated from 0.5.8 to 0.5.10.</para> 766 767 <para><application>IPFilter</application> has been updated to 5.1.2.</para> 768 769 <para revision="250592"><application>less</application> has been updated to 770 v458.</para> 771 772 <para><application>ncurses</application> has been updated from 773 to 5.7-20081102.</para> 774 775 <para role="merged"><application>OpenSSH</application> has been updated 776 to 6.4.</para> 777 778 <para revision="236109"><application>OpenPAM</application> has been updated to 779 the Micrampelis release.</para> 780 781 <para role="merged"><application>sendmail</application> has been updated from 782 8.14.1 to 8.14.7.</para> 783 784 <para role="merged">The timezone database has been updated from 785 the <application>tzdata2008h</application> release to 786 the <application>tzdata2009m</application> release.</para> 787 788 <para>The stdtime part of libc, &man.zdump.8; and &man.zic.8; 789 have been updated from the <application>tzcode2004a</application> 790 release to the <application>tzcode2009h</application> release. 791 If you have upgraded from source or via the &man.freebsd-update.8;, 792 then please run &man.tzsetup.8; to install a new /etc/localtime. 793 </para> 794 795 <para revision="252726"><application>WPA Supplicant</application> has been 796 updated to 2.0.</para> 797 798 <para role="merged"><application>xz</application> has been updated 799 from snapshot as of 12 April 2010 to 5.0.0.</para> 800 801 <para revision="258231" role="merged">&man.nvi.1; has been updated to 2.1.2.</para> 802 803 <para revision="254225">&man.nvi.1; supports wide character locales.</para> 804 805 </sect2> 806 807 <sect2 xml:id="ports"> 808 <title>Ports/Packages Collection Infrastructure</title> 809 810 <para revision="257444">The pkg_add, pkg_create, pkg_delete, pkg_info, 811 pkg_updating, and pkg_version utilities have been removed. 812 &man.pkg.7; must now be used to install binary packages. &man.pkg.7; 813 is the next generation &os; package manager, also referred to as "pkgng".</para> 814 815 </sect2> 816 817 <sect2 xml:id="releng"> 818 <title>Release Engineering and Integration</title> 819 820 <para role="merged">The supported version of 821 the <application>GNOME</application> desktop environment 822 (<package>x11/gnome2</package>) has been 823 updated from 2.20.1 to 2.22.</para> 824 825 </sect2> 826 827 <!-- 828 <sect2 xml:id="doc"> 829 <title>Documentation</title> 830 831 <para/> 832 833 </sect2> 834 --> 835</sect1> 836 837<sect1 xml:id="upgrade"> 838 <title>Upgrading from previous releases of &os;</title> 839 840 <para arch="amd64,i386">Beginning with &os; 6.2-RELEASE, 841 binary upgrades between RELEASE versions (and snapshots of the 842 various security branches) are supported using the 843 &man.freebsd-update.8; utility. The binary upgrade procedure will 844 update unmodified userland utilities, as well as unmodified GENERIC or 845 SMP kernels distributed as a part of an official &os; release. 846 The &man.freebsd-update.8; utility requires that the host being 847 upgraded have Internet connectivity.</para> 848 849 <para>Source-based upgrades (those based on recompiling the &os; 850 base system from source code) from previous versions are 851 supported, according to the instructions in 852 <filename>/usr/src/UPDATING</filename>.</para> 853 854 <important> 855 <para>Upgrading &os; should, of course, only be attempted after 856 backing up <emphasis>all</emphasis> data and configuration 857 files.</para> 858 </important> 859</sect1> 860</article> 861