article.xml revision 259803
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<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"> 8<info><title>&os; &release.current; Release Notes</title> 9 10 11 <author><orgname>The &os; Project</orgname></author> 12 13 <pubdate>$FreeBSD: releng/10.0/release/doc/en_US.ISO8859-1/relnotes/article.xml 259803 2013-12-24 02:07:22Z gjb $</pubdate> 14 15 <copyright> 16 <year>2000</year> 17 <year>2001</year> 18 <year>2002</year> 19 <year>2003</year> 20 <year>2004</year> 21 <year>2005</year> 22 <year>2006</year> 23 <year>2007</year> 24 <year>2008</year> 25 <year>2009</year> 26 <year>2010</year> 27 <year>2011</year> 28 <year>2012</year> 29 <year>2013</year> 30 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation Project</holder> 31 </copyright> 32 33 <legalnotice xml:id="trademarks" role="trademarks"> 34 &tm-attrib.freebsd; 35 &tm-attrib.ibm; 36 &tm-attrib.ieee; 37 &tm-attrib.intel; 38 &tm-attrib.sparc; 39 &tm-attrib.general; 40 </legalnotice> 41 42 <abstract> 43 <para>The release notes for &os; &release.current; contain a summary 44 of the changes made to the &os; base system on the 45 &release.branch; development line. 46 This document lists applicable security advisories that were issued since 47 the last release, as well as significant changes to the &os; 48 kernel and userland. 49 Some brief remarks on upgrading are also presented.</para> 50 </abstract> 51</info> 52 53<sect1 xml:id="intro"> 54 <title>Introduction</title> 55 56 <para>This document contains the release notes for &os; 57 &release.current;. It 58 describes recently added, changed, or deleted features of &os;. 59 It also provides some notes on upgrading 60 from previous versions of &os;.</para> 61 62 <para>The latest, up-to-date version of the release notes are 63 available online at <uri 64 xlink:href="&release.url;10.0R/relnotes.html">&release.url;10.0R/relnotes.html</uri>.</para> 65 66 <para releasetype="current">The &release.type; distribution to which these release notes 67 apply represents the latest point along the &release.branch; development 68 branch since &release.branch; was created. Information regarding pre-built, binary 69 &release.type; distributions along this branch 70 can be found at <uri xlink:href="&release.url;">&release.url;</uri>.</para> 71 72 <para releasetype="snapshot">The &release.type; distribution to which these release notes 73 apply represents a point along the &release.branch; development 74 branch between &release.prev; and the future &release.next;. 75 Information regarding 76 pre-built, binary &release.type; distributions along this branch 77 can be found at <uri xlink:href="&release.url;">&release.url;</uri>.</para> 78 79 <para releasetype="release">This distribution of &os; &release.current; is a 80 &release.type; distribution. It can be found at <uri xlink:href="&release.url;">&release.url;</uri> or any of its mirrors. More 81 information on obtaining this (or other) &release.type; 82 distributions of &os; can be found in the <link xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining 83 &os;</quote> appendix</link> to the <link xlink:href="&url.books.handbook;/">&os; 84 Handbook</link>.</para> 85 86 <para>All users are encouraged to consult the release errata before 87 installing &os;. The errata document is updated with 88 <quote>late-breaking</quote> information discovered late in the 89 release cycle or after the release. Typically, it contains 90 information on known bugs, security advisories, and corrections to 91 documentation. An up-to-date copy of the errata for &os; 92 &release.current; can be found on the &os; Web site.</para> 93 94</sect1> 95 96<sect1 xml:id="new"> 97 <title>What's New</title> 98 99 <para>This section describes 100 the most user-visible new or changed features in &os; 101 since &release.prev;. 102 In general, changes described here are unique to the &release.branch; 103 branch unless specifically marked as &merged; features. 104 </para> 105 106 <para>Typical release note items 107 document recent security advisories issued after 108 &release.prev;, 109 new drivers or hardware support, new commands or options, 110 major bug fixes, or contributed software upgrades. They may also 111 list changes to major ports/packages or release engineering 112 practices. Clearly the release notes cannot list every single 113 change made to &os; between releases; this document focuses 114 primarily on security advisories, user-visible changes, and major 115 architectural improvements.</para> 116 117 <sect2 xml:id="security"> 118 <title>Security Advisories</title> 119 120 <para>No security advisories.</para> 121 122 </sect2> 123 124 <sect2 xml:id="kernel"> 125 <title>Kernel Changes</title> 126 127 <para revision="248508">The use of unmapped VMIO buffers eliminates the need to perform 128 TLB shootdown for mapping on buffer creation and reuse, greatly reducing the 129 amount of IPIs for shootdown on big-SMP machines and eliminating up to 25-30% 130 of the system time on i/o intensive workloads.</para> 131 132 <para arch="amd64" revision="254466">The maximum amount of memory the &os; kernel 133 can address has been increased from 1TB to 4TB.</para> 134 135 <para>A new &man.cpuset.2; API has been added 136 for thread to CPU binding and CPU resource grouping and 137 assignment. The &man.cpuset.1; userland utility has been added 138 to allow manipulation of processor sets.</para> 139 140 <para role="merged">The &man.ddb.4; kernel debugger now has an output capture 141 facility. Input and output from &man.ddb.4; can now be captured 142 to a memory buffer for later inspection using &man.sysctl.8; or 143 a textdump. The new <command>capture</command> command controls 144 this feature.</para> 145 146 <para role="merged">The &man.ddb.4; debugger now supports a simple scripting 147 facility, which supports a set of named scripts consisting of a 148 set of &man.ddb.4; commands. These commands can be managed from 149 within &man.ddb.4; or with the use of the new &man.ddb.8; 150 utility. More details can be found in the &man.ddb.4; manual 151 page.</para> 152 153 <para role="merged">The kernel now supports a new textdump format of kernel 154 dumps. A textdump provides higher-level information via 155 mechanically generated/extracted debugging output, rather than a 156 simple memory dump. This facility can be used to generate brief 157 kernel bug reports that are rich in debugging information, but 158 are not dependent on kernel symbol tables or precisely 159 synchronized source code. More information can be found in the 160 &man.textdump.4; manual page.</para> 161 162 <para>Kernel support for M:N threading has been removed. While 163 the KSE (Kernel Scheduled Entities) project was quite successful 164 in bringing threading to FreeBSD, the M:N approach taken by the 165 KSE library was never developed to its full potential. 166 Backwards compatibility for applications using KSE threading 167 will be provided via &man.libmap.conf.5; for dynamically linked 168 binaries. The &os; Project greatly appreciates the work of 169 &a.julian;, &a.deischen;, and &a.davidxu; on KSE support.</para> 170 171 <para>The &os; kernel now exports information about certain kernel 172 features via the <varname>kern.features</varname> sysctl tree. 173 The &man.feature.present.3; library call provides a convenient 174 interface for user applications to test the presence of 175 features.</para> 176 177 <para arch="amd64">The &os; kernel now has support for large 178 memory page mappings (<quote>superpages</quote>).</para> 179 180 <para arch="amd64,i386,ia64,powerpc" role="merged">The ULE 181 scheduler is now the default process scheduler 182 in <filename>GENERIC</filename> kernels.</para> 183 184 <para arch="amd64,i386" revision="240135">Support was added for 185 the new Intel on-CPU Bull Mountain random number 186 generator, found on IvyBridge and supposedly later CPUs, 187 accessible with RDRAND instruction.</para> 188 189 <sect3 xml:id="kernel-virtualization"> 190 <title>Virtualization support</title> 191 <para arch="amd64" revision="245652">The BSD Hypervisor, &man.bhyve.8; is included 192 with &os;. &man.bhyve.8; requires Intel CPUs with VT-x and Extended Page Table (EPT) 193 support. These features are on all Nehalem models and beyond 194 (e.g. Nehalem and newer), but not on the lower-end Atom CPUs.</para> 195 196 <para revision="227652">&man.virtio.4; support has been added. &man.virtio.4; is the 197 name for the paravirtualization interface developed for the Linux KVM, but 198 since adopted to other virtual machine hypervisors (with the notable exception of Xen). 199 This work brings in a BSD-licensed clean-room implementation of the virtio kernel drivers 200 for disk IO (&man.virtio_blk.4; and &man.virtio_scsi.4;), network IO (&man.vtnet.4;), 201 memory ballooning (&man.virtio_balloon.4;), and PCI. 202 Tested with on Qemu/KVM, VirtualBox, and &man.bhyve.4;.</para> 203 204 <para arch="amd64,i386" revision="255524">Paravirtualized drivers which 205 support Microsoft Hyper-V have been imported and made 206 part of the amd64 GENERIC kernel. For i386, these drivers are not part of 207 GENERIC, so the following lines must be added to 208 <filename>/boot/loader.conf</filename> to load these drivers: 209 <programlisting>hv_ata_pci_disengage_load="YES" 210hv_netsvc_load="YES" 211hv_utils_load="YES" 212hv_vmbus_load="YES"</programlisting> Alternatively, the Hyper-V drivers can be added to the i386 213 kernel by adding <literal>device hyperv</literal> to the kernel config, and then 214 recompiling the kernel.</para> 215 216 <para revision="254738">The &man.vmx.4; driver has been added. 217 &man.vmx.4; is a VMware VMXNET3 ethernet driver ported from 218 OpenBSD.</para> 219 220 <para revision="255744" arch="amd64,i386">Xen PVHVM virtualization is now 221 part of the GENERIC kernel.</para> 222 223 </sect3> 224 225 <sect3 xml:id="kernel-arm"> 226 <title>ARM support</title> 227 228 <para revision="239922">Raspberry PI support has been added. 229 Refer to these <link xlink:href="http://kernelnomicon.org/?p=164">setup instructions</link> 230 and <link xlink:href="http://www.raspberrypi.org/quick-start-guide">quick start 231 guide</link>.</para> 232 233 <para revision="253396">The default ABI on ARM is now the ARM EABI. This brings a number of 234 improvements and allows future support for VFP and Thumb-2.</para> 235 236 <para revision="239268">ARM support has been greatly improved, including support 237 for ARMv6 and ARMv7, SMP and thread-local storage (TLS). 238 Additionally support for some newer SoC like the MV78x60 and OMAP4 was added. 239 See <link xlink:href="http://lists.freebsd.org/pipermail/freebsd-arm/2012-August/003757.html">this announcement</link> 240 for further details.</para> 241 242 <para revision="254918">Superpages support on ARM has been added. Superpages support 243 provides improved performance and scalability by allowing TLB 244 translations to dynamically cover large physical memory regions. 245 All ARMv6 and ARMv7-based platforms can take advantage of this feature. 246 See <link xlink:href="https://wiki.freebsd.org/ARMSuperpages">this page</link> 247 for further details.</para> 248 249 </sect3> 250 251 <sect3 xml:id="boot"> 252 <title>Boot Loader Changes</title> 253 254 <para arch="amd64,i386" role="merged">The BTX kernel used by the boot 255 loader has been changed to invoke BIOS routines from real 256 mode. This change makes it possible to boot &os; from USB 257 devices.</para> 258 259 <para arch="amd64,i386" role="merged">A new gptboot boot loader has 260 been added to support booting from a GPT labeled disk. A 261 new <command>boot</command> command has been added to 262 &man.gpt.8;, which makes a GPT disk bootable by writing the 263 required bits of the boot loader, creating a new boot 264 partition if required.</para> 265 266 </sect3> 267 268 <sect3 xml:id="proc"> 269 <title>Hardware Support</title> 270 271 <para role="merged">The &man.cmx.4; driver, a driver for Omnikey CardMan 4040 272 PCMCIA smartcard readers, has been added.</para> 273 274 <para>The &man.syscons.4; driver now supports Colemak keyboard layout.</para> 275 276 <para role="merged">The &man.uslcom.4; driver, a driver for Silicon 277 Laboratories CP2101/CP2102-based USB serial adapters, has been 278 imported from OpenBSD.</para> 279 280 <sect4 xml:id="mm"> 281 <title>Multimedia Support</title> 282 283 <para revision="240609">Support for version 2.0 of the USB Audio reference design 284 has been added. New devices should support higher bandwidth, 285 increased sampling frequency and wider dynamic range.</para> 286 287 </sect4> 288 289 <sect4 xml:id="net-if"> 290 <title>Network Interface Support</title> 291 292 <para>The &man.ale.4; driver has been added to provide support 293 for Atheros AR8121/AR8113/AR8114 Gigabit/Fast Ethernet controllers.</para> 294 295 <para>The &man.em.4; driver has been split into two drivers 296 with some common parts. The &man.em.4; driver will continue 297 to support adapters up to the 82575, as well as new 298 client/desktop adapters. A new &man.igb.4; driver 299 will support new server adapters.</para> 300 301 <para>The &man.jme.4; driver has been added to provide support 302 for PCIe network adapters based on JMicron JMC250 Gigabit 303 Ethernet and JMC260 Fast Ethernet controllers.</para> 304 305 <para>The &man.malo.4; driver has been added to provide 306 support for Marvell Libertas 88W8335 based PCI network 307 adapters.</para> 308 309 <para>The firmware for the &man.mxge.4; driver has been 310 updated from 1.4.25 to 1.4.29.</para> 311 312 <para>The &man.sf.4; driver has been overhauled to improve its 313 performance and to add support for checksum offloading. It 314 should also work on all architectures.</para> 315 316 <para>The &man.re.4; driver has been overhauled to fix a 317 number of issues. This driver now has Wake On LAN (WOL) 318 support.</para> 319 320 <para>The &man.vr.4; driver has been overhauled to fix a 321 number of outstanding issues. It also now works on all 322 architectures.</para> 323 324 <para arch="amd64,i386" role="merged">The &man.wpi.4; driver has 325 been updated to include a number of stability fixes.</para> 326 327 <para revision="248925">The &man.cxgbe.4; driver has been updated to support 328 40G/10G Ethernet NICs based on Chelsio's Terminator 5 (T5) ASIC.</para> 329 330 <para revision="256694">The iw_cxgbe driver has been added. This is an 331 experimental iWARP/RDMA driver 332 (kernel verbs only) for Chelsio's T4 and T5 based cards.</para> 333 334 <para revision="255932">The Open Fabrics Enterprise Distribution (OFED) and 335 OFED Infiniband core has been 336 updated to the same version as supplied by Linux version 3.7</para> 337 338 <para revision="255932">The Mellanox Infiniband driver has been updated to firmware 339 version 2.30.3200 for ConnectX3 NICs. Support has been added for ConnectX3 VPI NICs, where 340 each port can be used as Infiniband 56 GB/s or Ethernet 40 GB/s. Support has been added 341 for dynamically loading kernel modules for Infiniband core (ibcore) and 342 IP over Infiniband (ipoib).</para> 343 344 <para revision="227614">&man.netmap.4; has been added. &man.netmap.4; is a framework for 345 high-performance direct-to-hardware packet IO, offering low latency and high PPS 346 rates to userland applications while bypassing any kernel-side packet processing. 347 With &man.netmap.4; it is trivially possible to fully saturate a 10 Gbps network interface with 348 minimal packet sizes. For more information, see: 349 <link xlink:href="http://info.iet.unipi.it/~luigi/netmap/">Netmap Project</link>.</para> 350 351 </sect4> 352 </sect3> 353 354 <sect3 xml:id="net-proto"> 355 <title>Network Protocols</title> 356 357 <para revision="228571">&man.carp.4; has been rewritten to make addresses 358 more sane from the viewpoint of routing daemons such as 359 quagga/zebra. It also brings support for a single redundant 360 address on the subnet (carpdev), switching state with 361 &man.ifconfig.8;, better locking and using modern kernel 362 interfaces to allocate multicast memberships. 363 Configuration of the CARP protocol via &man.ifconfig.8; has changed, as well as format 364 of CARP events submitted to &man.devd.8; has changed. See &man.carp.4; 365 for more information. The arpbalance feature of &man.carp.4; is currently 366 not supported anymore.</para> 367 368 <para revision="240233">The &man.pf.4; firewall now supports fine-grain locking 369 and better utilization on multi-cpu machines resulting in 370 significant improvements in performance.</para> 371 372 <para revision="250700">Support for up to 65536 routing tables has been 373 introduced.</para> 374 375 <para revision="248552">Support for setting/matching differentiated services 376 codepoints (DSCP) in IP header has been added to 377 &man.ipfw.8;.</para> 378 379 </sect3> 380 381 <sect3 xml:id="disks"> 382 <title>Disks and Storage</title> 383 384 <para role="merged">The &man.aac.4; driver now supports volumes larger than 385 2TB in size.</para> 386 387 <para>The &man.ata.4; driver now supports a spindown command for 388 disks; after a configurable amount of time, if no requests 389 have been received for a disk, the disk will be spun down 390 until the next request. The &man.atacontrol.8; utility now 391 supports a <command>spindown</command> command to configure 392 this feature.</para> 393 394 <para role="merged">The &man.hptrr.4; driver has been updated to version 1.2 395 from Highpoint.</para> 396 397 <para revision="240616">&man.nvme.4; has been added and provides NVM Express support. 398 NVM Express is an optimized register interface, command set and feature set of 399 PCI Express (PCIe)-based Solid-State Drives (SSDs). For more information, 400 see <link xlink:href="http://http://www.nvmexpress.org/">nvmexpress.org</link>.</para> 401 402 </sect3> 403 404 <sect3 xml:id="fs"> 405 <title>File Systems</title> 406 407 <para revision="255570">A new kernel-based iSCSI target and initiator has been 408 added</para> 409 410 <para revision="243246">UFS filesystems can now be enlarged with &man.growfs.8; while 411 mounted read-write. This is especially useful for virtual 412 machines, allowing the addition of more harddrive space without 413 interruption of service.</para> 414 415 <para revision="241519">A state of the art FUSE implementation is now part of the 416 base system. It allows the use of nearly all fusefs file 417 systems</para> 418 419 <sect4 xml:id="fs-zfs"> 420 <title>ZFS</title> 421 422 <para revision="">&man.bsdinstall.8; now supports installing 423 ZFS on the root file system. It includes a single configuration menu 424 that allows you to select all of the required details, including 425 which drives to use, what ZFS RAID level to use (taking into consideration 426 the selected number of drives), GPT or MBR, GELI encryption, forcing 4K sectors, 427 pool name, etc.</para> 428 429 <para revision="240868">TRIM support has been added for 430 ZFS.</para> 431 432 <para revision="246586">Support for the high performance LZ4 compression algorithm 433 has been added to ZFS. LZ4 is usually faster and can achieve a 434 higher compression ratio than LZJB, the default compression 435 algorithm</para> 436 437 <para revision="252140">Support for L2ARC compression has been added to ZFS.</para> 438 439 <para revision="243524">The zio nop-write improvement from Illumos 440 was imported into &os;. To reduce I/O, nop-write skips overwriting 441 data if the checksum (cryptographically secure) of new data 442 matches the checksum of existing data. It also saves space if 443 snapshots are in use. This improvement only works only on 444 datasets with enabled compression, disabled deduplication and 445 sha256 checksums.</para> 446 447 <para>ZFS will now compare the checksums of incoming writes to 448 the checksum of the existing on-disk data and avoid issuing any 449 write I/O for data that has not changed. This will reduce I/O 450 as well as space usage because if the old block is referenced 451 by a snapshot, both copies of the block are kept even though 452 both contain the same data.</para> 453 454 </sect4> 455 456 </sect3> 457 458 </sect2> 459 460 <sect2 xml:id="userland"> 461 <title>Userland Changes</title> 462 463 <para revision="255321">On platforms where &man.clang.1; is the default 464 system compiler, (such as i386, amd64, arm) GCC and GNU libstdc++ are no 465 longer built by default. &man.clang.1; and libc++ from LLVM are used on 466 these platforms by instead. GCC 4.2.1 and libstdc++ are still built 467 and used by default on pc98 and all other platforms where &man.clang.1; 468 is not the default system compiler. 469 </para> 470 471 <para revision="251662">&man.clang.1; and llvm have been updated to 472 version 3.3 release. Please refer to 473 <link xlink:href="http://llvm.org/releases/3.3/tools/clang/docs/ReleaseNotes.html"> 474 Clang 3.3 Release Notes.</link></para> 475 476 <para role="merged" revision="255949">BIND has been replaced by &man.unbound.8; for 477 local dns resolution in the base system. With this change, nslookup 478 and dig are no longer a part of the base system. Users should 479 instead use &man.host.1; and &man.drill.1; Alternatively, 480 nslookup and dig can be obtained by installing the 481 dns/bind-tools port.</para> 482 483 <para revision="225937">sysinstall has been removed from the base system. 484 Auxiliary libraries and tools used by sysinstall such as libdisk, libftpio, 485 and sade have also been removed. sysinstall has been replaced by 486 &man.bsdinstall.8; and &man.bsdconfig.8;.</para> 487 488 <para revision="256106">&man.freebsd-version.1; has been added. This tool 489 makes a best effort to determine the version and patch level of 490 the installed kernel and userland.</para> 491 492 <para revision="255191">GNU patch has been removed from the base system, and replaced 493 by a BSD-licensed &man.patch.1; program.</para> 494 495 <para revision="241511">GNU sort has been removed from the base system, and replaced 496 by a BSD-licensed &man.sort.1; program.</para> 497 498 <para revision="235723">Berkely yacc (byacc) has been imported 499 from <link xlink:href="http://invisible-island.net/byacc/">invisible island</link>. 500 This brings bison compatibilities to &man.yacc.1; while preserving full 501 backwards compatibility with previous version of &man.yacc.1;.</para> 502 503 <para revision="250881">&man.lex.1; has been replaced by flex 2.5.37</para> 504 505 <para revision="250699">&man.make.1; has been replaced with the 506 "Portable" BSD make tool (bmake) from NetBSD.</para> 507 508 <para role="merged">The &man.adduser.8; utility now supports 509 a <option>-M</option> option to set the mode of a new user's 510 home directory.</para> 511 512 <para>BSD-licensed versions of &man.ar.1; and &man.ranlib.1;, 513 based on <filename>libarchive</filename>, have replaced the GNU 514 Binutils versions of these utilities.</para> 515 516 <para>BSD-licensed versions of &man.bc.1; and &man.dc.1; have 517 replaced their GNU counterparts.</para> 518 519 <para role="merged">&man.chflags.1; now supports a <option>-v</option> flag for 520 verbose output and a <option>-f</option> flag to ignore errors 521 with the same semantics as (for example) 522 &man.chmod.1;.</para> 523 524 <para>For compatibility with other implementations, &man.cp.1; now 525 supports a <option>-a</option> flag, which is equivalent to 526 specifying the <option>-RrP</option> flags.</para> 527 528 <para>BSD-licensed version of &man.cpio.1; based on 529 <filename>libarchive</filename>, has replaced the GNU cpio. 530 Note that the GNU cpio is still installed as 531 <filename>gcpio</filename>.</para> 532 533 <para>The &man.env.1; program now supports <option>-u 534 <replaceable>name</replaceable></option> 535 which will completely unset the given variable 536 <replaceable>name</replaceable> by removing it from the environment, 537 instead of just setting it to a null value.</para> 538 539 <para>The &man.fdopendir.3; library function has been added.</para> 540 541 <para role="merged">The &man.fetch.3; library now support HTTP 1.1 542 If-Modified-Since behavior. The &man.fetch.1; program now 543 supports <option>-i <replaceable>filename</replaceable></option> 544 which will only download the specified HTTP URL if the content 545 is newer than <replaceable>filename</replaceable>.</para> 546 547 <para>&man.find.1; has been enhanced by the addition of a number 548 of primaries that were present in GNU find but not &os; 549 &man.find.1;.</para> 550 551 <para>&man.kgdb.1; now supports a new <command>add-kld</command> 552 command to make it easier to debug crash dumps with kernel 553 modules.</para> 554 555 <para>The &man.ls.1; program now supports a <option>-D</option> 556 option to specify a date format string to be used with the long 557 format (<option>-l</option>) output.</para> 558 559 <para>&man.nc.1; now supports a <option>-O</option> switch to 560 disable the use of TCP options.</para> 561 562 <para>&man.nc.1;'s <option>-o</option> switch has been deprecated. 563 It will be removed in a future release.</para> 564 565 <para>The &man.ping6.8; utility now returns <literal>2</literal> 566 when the packet transmission was successful but no responses 567 were received (this is the same behavior as &man.ping.8;). 568 It returned a non-zero value before this change.</para> 569 570 <para>The &man.procstat.1; utility has been added to display 571 detailed information about processes.</para> 572 573 <para role="merged">The &man.realpath.1; utility now supports 574 a <option>-q</option> flag to suppress warnings; it now also 575 accepts multiple paths on its command line.</para> 576 577 <para>&man.sh.1; has many bug fixes, some new features, and will now 578 refuse to parse some invalid scripts. Additionally, it now 579 has filename completion and defaults to the "emacs" editing 580 mode.</para> 581 582 <para>The &man.split.1; utility now supports a <option>-n</option> 583 flag to split a file into a certain number of chunks.</para> 584 585 <para>The &man.tar.1; utility now supports a <option>-Z</option> 586 flag to enable &man.compress.1;-style 587 compression/decompression.</para> 588 589 <para>The &man.tar.1; utility now supports a 590 <option>--numeric-owner</option> flag to ignore user/group names 591 on create and extract.</para> 592 593 <para>The &man.tar.1; utility now supports an 594 <option>-S</option> flag to sparsify files on extraction.</para> 595 596 <para>The &man.tar.1; utility now supports a <option>-s</option> 597 flag to substitute filenames based on the specified regular 598 expression.</para> 599 600 <para>The &man.tcgetsid.3; library function has been added to 601 return the process group ID for the session leader for the 602 controlling terminal. It is defined in IEEE Std 1003.1-2001 603 (POSIX).</para> 604 605 <para>&man.top.1; now supports a <option>-P</option> flag to 606 provide per-CPU usage statistics.</para> 607 608 <para>&man.zdump.8; is now working properly on 64 bit architectures. 609 </para> 610 611 <para>&man.traceroute.8; now has the ability to print the AS 612 number for each hop with the new <option>-a</option> switch; a 613 new <option>-A</option> option allows selecting a particular 614 WHOIS server.</para> 615 616 <para>&man.traceroute6.8; now supports a <option>-U</option> flag 617 to send probe packets with no upper-layer protocol, rather than 618 the usual UDP probe packets.</para> 619 620 <sect3 xml:id="rc-scripts"> 621 <title><filename>/etc/rc.d</filename> Scripts</title> 622 623 <para>The followoing &man.rc.8; scripts have been added:</para> 624 625 <informaltable frame="none" pgwide="0"> 626 <tgroup cols="2"> 627 <colspec colwidth="1*" /> 628 <colspec colwidth="1*" /> 629 <thead> 630 <row> 631 <entry>&man.rc.8; Script</entry> 632 <entry>Function</entry> 633 </row> 634 </thead> 635 636 <tbody> 637 <row> 638 <entry><filename>ctld</filename></entry> 639 <entry><para>iSCSI target daemon startup 640 script</para></entry> 641 </row> 642 <row> 643 <entry><filename>iscsictl</filename></entry> 644 <entry><para>iSCSI initiator management utility 645 startup script</para></entry> 646 </row> 647 <row> 648 <entry><filename>iscsid</filename></entry> 649 <entry><para>iSCSI initiatior daemon startup 650 script</para></entry> 651 </row> 652 <row> 653 <entry><filename>kfd</filename></entry> 654 <entry><para>Kerberos ticket forwarding daemon 655 startup script</para></entry> 656 </row> 657 <row> 658 <entry><filename>local_unbound</filename></entry> 659 <entry><para>Unbound startup script for the local 660 caching resolver</para></entry> 661 </row> 662 <row> 663 <entry><filename>postrandom</filename></entry> 664 <entry><para>Generates a new entropy file at system 665 boot</para></entry> 666 </row> 667 <row> 668 <entry><filename>swap</filename></entry> 669 <entry><para>Replaces <filename>swap1</filename>; 670 enable swap at system boot</para></entry> 671 </row> 672 <row> 673 <entry><filename>swaplate</filename></entry> 674 <entry><para>Enables swap with <quote>late</quote> 675 set at system boot</para></entry> 676 </row> 677 <row> 678 <entry><filename>utx</filename></entry> 679 <entry><para>User accounting database startup and 680 shutdown script</para></entry> 681 </row> 682 </tbody> 683 </tgroup> 684 </informaltable> 685 686 <para>The following &man.rc.8; scripts have been removed:</para> 687 688 <informaltable frame="none" pgwide="0"> 689 <tgroup cols="2"> 690 <colspec colwidth="1*" /> 691 <thead> 692 <row> 693 <entry>&man.rc.8; Script</entry> 694 <entry><para>Reason</para></entry> 695 </row> 696 </thead> 697 698 <tbody> 699 <row> 700 <entry><filename>encswap</filename></entry> 701 <entry><para>Replaced by <filename>swap</filename> and 702 <filename>swaplate</filename></para></entry> 703 </row> 704 <row> 705 <entry><filename>named</filename></entry> 706 <entry><para>Removed with 707 <application>BIND</application></para></entry> 708 </row> 709 <row> 710 <entry><filename>swap1</filename></entry> 711 <entry><para>Replaced by <filename>swap</filename> and 712 <filename>swaplate</filename></para></entry> 713 </row> 714 </tbody> 715 </tgroup> 716 </informaltable> 717 </sect3> 718 </sect2> 719 720 <sect2 xml:id="contrib"> 721 <title>Contributed Software</title> 722 723 <para revision="251300">&man.jemalloc.3; has been updated to 3.4.0. 724 See <link xlink:href="http://www.facebook.com/jemalloc/">this link</link>. 725 for more details.</para> 726 727 <para role="merged"><application>AMD</application> has been updated from 6.0.10 728 to 6.1.5.</para> 729 730 <para role="merged"><application>awk</application> has been updated from 1 May 731 2007 release to the 23 October 2007 release.</para> 732 733 <para role="merged"><application>bzip2</application> has been updated from 1.0.4 734 to 1.0.5.</para> 735 736 <para revision="251794"><application>CVS</application> has been removed from the 737 base system, but is still available from ports</para> 738 739 <para revision="251886">Subversion has been imported into the base system and 740 is installed as <application>svnlite</application>. <application>svnlite</application> 741 should only be used for checking out &os; source and committing, and does not 742 replace the full Subversion port.</para> 743 744 <para revision="234449"><application>file</application> has been updated to 5.11.</para> 745 746 <para revision="252726"><application>hostapd</application> has been 747 updated from 0.5.8 to 0.5.10.</para> 748 749 <para><application>IPFilter</application> has been updated to 5.1.2.</para> 750 751 <para revision="250592"><application>less</application> has been updated to 752 v458.</para> 753 754 <para><application>ncurses</application> has been updated from 755 to 5.7-20081102.</para> 756 757 <para role="merged"><application>OpenSSH</application> has been updated 758 to 6.4.</para> 759 760 <para revision="236109"><application>OpenPAM</application> has been updated to 761 the Micrampelis release.</para> 762 763 <para role="merged"><application>sendmail</application> has been updated from 764 8.14.1 to 8.14.7.</para> 765 766 <para role="merged">The timezone database has been updated from 767 the <application>tzdata2008h</application> release to 768 the <application>tzdata2009m</application> release.</para> 769 770 <para>The stdtime part of libc, &man.zdump.8; and &man.zic.8; 771 have been updated from the <application>tzcode2004a</application> 772 release to the <application>tzcode2009h</application> release. 773 If you have upgraded from source or via the &man.freebsd-update.8;, 774 then please run &man.tzsetup.8; to install a new /etc/localtime. 775 </para> 776 777 <para revision="252726"><application>WPA Supplicant</application> has been 778 updated to 2.0.</para> 779 780 <para role="merged"><application>xz</application> has been updated 781 from snapshot as of 12 April 2010 to 5.0.0.</para> 782 783 <para revision="258231" role="merged">&man.nvi.1; has been updated to 2.1.2.</para> 784 785 <para revision="254225">&man.nvi.1; supports wide character locales.</para> 786 787 </sect2> 788 789 <sect2 xml:id="ports"> 790 <title>Ports/Packages Collection Infrastructure</title> 791 792 <para revision="257444">The pkg_add, pkg_create, pkg_delete, pkg_info, 793 pkg_updating, and pkg_version utilities have been removed. 794 &man.pkg.7; must now be used to install binary packages. &man.pkg.7; 795 is the next generation &os; package manager, also referred to as "pkgng".</para> 796 797 </sect2> 798 799 <sect2 xml:id="releng"> 800 <title>Release Engineering and Integration</title> 801 802 <para role="merged">The supported version of 803 the <application>GNOME</application> desktop environment 804 (<package>x11/gnome2</package>) has been 805 updated from 2.20.1 to 2.22.</para> 806 807 </sect2> 808 809 <!-- 810 <sect2 xml:id="doc"> 811 <title>Documentation</title> 812 813 <para/> 814 815 </sect2> 816 --> 817</sect1> 818 819<sect1 xml:id="upgrade"> 820 <title>Upgrading from previous releases of &os;</title> 821 822 <para arch="amd64,i386">Beginning with &os; 6.2-RELEASE, 823 binary upgrades between RELEASE versions (and snapshots of the 824 various security branches) are supported using the 825 &man.freebsd-update.8; utility. The binary upgrade procedure will 826 update unmodified userland utilities, as well as unmodified GENERIC or 827 SMP kernels distributed as a part of an official &os; release. 828 The &man.freebsd-update.8; utility requires that the host being 829 upgraded have Internet connectivity.</para> 830 831 <para>Source-based upgrades (those based on recompiling the &os; 832 base system from source code) from previous versions are 833 supported, according to the instructions in 834 <filename>/usr/src/UPDATING</filename>.</para> 835 836 <important> 837 <para>Upgrading &os; should, of course, only be attempted after 838 backing up <emphasis>all</emphasis> data and configuration 839 files.</para> 840 </important> 841</sect1> 842</article> 843