UPDATING revision 294904
150477SpeterUpdating Information for FreeBSD current users 21598Srgrimes 358284SpeterThis file is maintained and copyrighted by M. Warner Losh <imp@freebsd.org>. 442181SbdeSee end of file for further details. For commonly done items, please see the 51598SrgrimesCOMMON ITEMS: section later in the file. These instructions assume that you 642181Sbdebasically know what you are doing. If not, then please consult the FreeBSD 742181Sbdehandbook: 842181Sbde 927356Sjkh http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html 1027356Sjkh 111598SrgrimesItems affecting the ports and packages system can be found in 12/usr/ports/UPDATING. Please read that file before running portupgrade. 13 14NOTE: FreeBSD has switched from gcc to clang. If you have trouble bootstrapping 15from older versions of FreeBSD, try WITHOUT_CLANG to bootstrap to the tip of 16stable/10, and then rebuild without this option. The bootstrap process from 17older version of current is a bit fragile. 18 1920160127 p28 FreeBSD-SA-16:09.ntp 20 FreeBSD-SA-16:10.linux 21 22 Fix multiple vulnerabilities of ntp. [SA-16:09] 23 24 Fix Linux compatibility layer issetugid(2) system call 25 vulnerability. [SA-16:10] 26 2720160114 p27 FreeBSD-SA-16:07.openssh 28 29 Fix OpenSSH client information leak. [SA-16:07] 30 3120160114 p26 FreeBSD-EN-16:02.pf 32 FreeBSD-EN-16:03.yplib 33 FreeBSD-SA-16:01.sctp 34 FreeBSD-SA-16:02.ntp 35 FreeBSD-SA-16:03.linux 36 FreeBSD-SA-16:04.linux 37 FreeBSD-SA-16:05.tcp 38 FreeBSD-SA-16:06.bsnmpd 39 40 Fix pf(4) generating bad TCP checksums. [EN-16:02] 41 Fix infinite loop in YP/NIS client library. [EN-16:03] 42 Fix remote denial of service in SCTP. [SA-16:01] 43 Update NTP to 4.2.8p5. [SA-16:02] 44 Fix kernel memory diclosure in Linux compatibility layer. [SA-16:03] 45 Fix kernel memory overwrite in Linux compatibility layer. [SA-16:04] 46 Fix crash in TCP MD5 signatures. [SA-16:05] 47 Fix insecure default permissions for snmpd.config. [SA-16:06] 48 4920151205 p25 FreeBSD-SA-15:26.openssl 50 51 Fix multiple OpenSSL vulnerabilities. [SA-15:26] 52 5320151104 p24 FreeBSD-SA-15:25.ntp [revised] 54 FreeBSD-EN-15:19.kqueue 55 FreeBSD-EN-15:20.vm 56 57 Fix regression in ntpd(8) lacking support for RAWDCF reference 58 clock in 10.1-RELEASE-p23. [SA-15:25.ntp] 59 60 Fix kqueue write events never fired for files greater 2GB. [EN-15:19] 61 62 Fix applications exiting due to segmentation violation on a correct 63 memory address. [EN-15:20] 64 6520151026: p23 FreeBSD-SA-15:25.ntp 66 67 Fix multiple NTP vulnerabilities. New NTP version is 4.2.8p4. 68 69 The configuration file syntax has been changed, thus mergemaster 70 run is recommended. Now the "kod" parameter requires "limited" 71 parameter. If the ntp.conf is not updated, the ntpd will run 72 successfully, but with KoD disabled. 73 7420151002: p22 FreeBSD-SA-15:24.rpcbind [revised] 75 Revised patch to address a regression that prevents NIS from working. 76 7720150929: p21 FreeBSD-SA-15:24.rpcbind 78 79 Fix rpcbind(8) remote denial of service. [SA-15:24] 80 8120150916: p20 FreeBSD-EN-15:18.pkg 82 83 Implement pubkey support for pkg(7) bootstrap. [EN-15:18] 84 8520150825: p19 FreeBSD-SA-15:21.amd64 86 FreeBSD-SA-15:22.openssh 87 FreeBSD-EN-15:14.ixgbe 88 FreeBSD-EN-15:15.pkg 89 90 Fix local privilege escalation in IRET handler. [SA-15:21] 91 92 Fix OpenSSH multiple vulnerabilities. [SA-15:22] 93 94 Disabled ixgbe(4) flow-director support. [EN-15:14] 95 96 Fix insufficient check of unsupported pkg(7) signature methods. 97 [EN-15:15] 98 9920150818: p18 FreeBSD-SA-15:20.expat 100 101 Fix multiple integer overflows in expat (libbsdxml) XML parser. 102 [SA-15:20] 103 10420150805: p17 FreeBSD-SA-15:18.bsdpatch 105 FreeBSD-SA-15:19.routed 106 107 Fix patch(1) shell injection vulnerability via ed(1). 108 [SA-15:18] 109 110 Fix routed remote denial of service vulnerability. [SA-15:19] 111 11220150728: p16 FreeBSD-SA-15:14.bsdpatch 113 FreeBSD-SA-15:15.tcp 114 FreeBSD-SA-15:16.openssh 115 116 Fix patch(1) shell injection vulnerability. [SA-15:14] 117 118 Fix resource exhaustion in TCP reassembly. [SA-15:15] 119 120 Fix OpenSSH multiple vulnerabilities. [SA-15:16] 121 12220150721: p15 FreeBSD-SA-15:13.tcp 123 124 Fix resource exhaustion due to sessions stuck in LAST_ACK state. 125 [SA-15:13] 126 12720150630: p14 FreeBSD-EN-15:08.sendmail [revised] 128 FreeBSD-EN-15:09.xlocale 129 FreeBSD-EN-15:10.iconv 130 131 Improvements to sendmail TLS/DH interoperability. [EN-15:08] 132 133 Fix inconsistency between locale and rune locale states. 134 [EN-15:09] 135 136 Improved iconv(3) UTF-7 support. [EN-15:10] 137 13820150618: p13 FreeBSD-EN-15:08.sendmail 139 Improvements to sendmail TLS/DH interoperability. [EN-15:08] 140 14120150612: p12 FreeBSD-SA-15:10.openssl 142 Fix multiple vulnerabilities in OpenSSL. [SA-15:10] 143 14420150609: p11 FreeBSD-EN-15:06.file 145 FreeBSD-EN-15:07.zfs 146 147 Updated base system file(1) to 5.22 to address multiple denial 148 of service issues. [EN-15:06] 149 150 Improved reliability of ZFS when TRIM/UNMAP and/or L2ARC is used. 151 [EN-15:07] 152 15320150513: p10 FreeBSD-EN-15:04.freebsd-update 154 FreeBSD-EN-15:05.ufs 155 156 Fix bug with freebsd-update(8) that does not ensure the previous 157 upgrade was completed. [EN-15:04] 158 159 Fix deadlock on reboot with UFS tuned with SU+J. [EN-15:05] 160 16120150407: p9 FreeBSD-SA-15:04.igmp [revised] 162 FreeBSD-SA-15:07.ntp 163 FreeBSD-SA-15:08.bsdinstall 164 FreeBSD-SA-15:09.ipv6 165 166 Improved patch for SA-15:04.igmp. 167 168 Fix multiple vulnerabilities of ntp. [SA-15:07] 169 170 Fix bsdinstall(8) insecure default GELI keyfile permissions. [SA-15:08] 171 172 Fix Denial of Service with IPv6 Router Advertisements. [SA-15:09] 173 17420150320: p8 175 Fix patch for SA-15:06.openssl. 176 17720150319: p7 FreeBSD-SA-15:06.openssl 178 Fix multiple vulnerabilities in OpenSSL. [SA-15:06] 179 18020150225: p6 FreeBSD-SA-15:04.igmp 181 FreeBSD-EN-15:01.vt 182 FreeBSD-EN-15:02.openssl 183 FreeBSD-EN-15:03.freebsd-update 184 185 Fix integer overflow in IGMP protocol. [SA-15:04] 186 187 Fix vt(4) crash with improper ioctl parameters. [EN-15:01] 188 189 Updated base system OpenSSL to 1.0.1l. [EN-15:02] 190 191 Fix freebsd-update libraries update ordering issue. [EN-15:03] 192 19320150127: p5 FreeBSD-SA-15:02.kmem 194 FreeBSD-SA-15:03.sctp 195 196 Fix SCTP SCTP_SS_VALUE kernel memory corruption and disclosure 197 vulnerability. [SA-15:02] 198 199 Fix SCTP stream reset vulnerability. [SA-15:03] 200 20120150114: p4 FreeBSD-SA-15:01.openssl 202 Fix multiple vulnerabilities in OpenSSL. [SA-15:01] 203 20420141223: p3 FreeBSD-SA-14:31.ntp 205 FreeBSD-EN-14:13.freebsd-update 206 207 Fix multiple vulnerabilities in NTP suite. [SA-14:31] 208 Fix directory deletion issue in freebsd-update. [EN-14:13] 209 21020141217: p2 FreeBSD-SA-14:30.unbound 211 Fix unbound remote denial of service vulnerability. 212 21320141210: p1 FreeBSD-SA-14:27.stdio 214 FreeBSD-SA-14:28.file 215 216 Fix buffer overflow in stdio. [SA-14:27] 217 218 Fix multiple vulnerabilities in file(1) and libmagic(3). 219 [SA-14:28] 220 22120140904: 222 The ofwfb driver, used to provide a graphics console on PowerPC when 223 using vt(4), no longer allows mmap() of all of physical memory. This 224 will prevent Xorg on PowerPC with some ATI graphics cards from 225 initializing properly unless x11-servers/xorg-server is updated to 226 1.12.4_8 or newer. 227 22820140831: 229 The libatf-c and libatf-c++ major versions were downgraded to 0 and 230 1 respectively to match the upstream numbers. They were out of 231 sync because, when they were originally added to FreeBSD, the 232 upstream versions were not respected. These libraries are private 233 and not yet built by default, so renumbering them should be a 234 non-issue. However, unclean source trees will yield broken test 235 programs once the operator executes "make delete-old-libs" after a 236 "make installworld". 237 238 Additionally, the atf-sh binary was made private by moving it into 239 /usr/libexec/. Already-built shell test programs will keep the 240 path to the old binary so they will break after "make delete-old" 241 is run. 242 243 If you are using WITH_TESTS=yes (not the default), wipe the object 244 tree and rebuild from scratch to prevent spurious test failures. 245 This is only needed once: the misnumbered libraries and misplaced 246 binaries have been added to OptionalObsoleteFiles.inc so they will 247 be removed during a clean upgrade. 248 24920140814: 250 The ixgbe tunables now match their sysctl counterparts, for example: 251 hw.ixgbe.enable_aim => hw.ix.enable_aim 252 Anyone using ixgbe tunables should ensure they update /boot/loader.conf. 253 25420140801: 255 The NFSv4.1 server committed by r269398 changes the internal 256 function call interfaces used between the NFS and krpc modules. 257 As such, __FreeBSD_version was bumped. 258 25920140729: 260 The default unbound configuration has been modified to address 261 issues with reverse lookups on networks that use private 262 address ranges. If you use the local_unbound service, run 263 "service local_unbound setup" as root to regenerate your 264 configuration, then "service local_unbound reload" to load the 265 new configuration. 266 26720140717: 268 It is no longer necessary to include the dwarf version in your DEBUG 269 options in your kernel config file. The bug that required it to be 270 placed in the config file has bene fixed. DEBUG should now just 271 contain -g. The build system will automatically update things 272 to do the right thing. 273 27420140715: 275 Several ABI breaking changes were merged to CTL and new iSCSI code. 276 All CTL and iSCSI-related tools, such as ctladm, ctld, iscsid and 277 iscsictl need to be rebuilt to work with a new kernel. 278 27920140708: 280 The WITHOUT_VT_SUPPORT kernel config knob has been renamed 281 WITHOUT_VT. (The other _SUPPORT knobs have a consistent meaning 282 which differs from the behaviour controlled by this knob.) 283 28420140608: 285 On i386 and amd64 systems, the onifconsole flag is now set by default 286 in /etc/ttys for ttyu0. This causes ttyu0 to be automatically enabled 287 as a login TTY if it is set in the bootloader as an active kernel 288 console. No changes in behavior should result otherwise. To revert to 289 the previous behavior, set ttyu0 to "off" in /etc/ttys. 290 29120140512: 292 Clang and llvm have been upgraded to 3.4.1 release. 293 29420140321: 295 Clang and llvm have been upgraded to 3.4 release. 296 29720140306: 298 If a Makefile in a tests/ directory was auto-generating a Kyuafile 299 instead of providing an explicit one, this would prevent such 300 Makefile from providing its own Kyuafile in the future during 301 NO_CLEAN builds. This has been fixed in the Makefiles but manual 302 intervention is needed to clean an objdir if you use NO_CLEAN: 303 # find /usr/obj -name Kyuafile | xargs rm -f 304 30520140303: 306 OpenSSH will now ignore errors caused by kernel lacking of Capsicum 307 capability mode support. Please note that enabling the feature in 308 kernel is still highly recommended. 309 31020140227: 311 OpenSSH is now built with sandbox support, and will use sandbox as 312 the default privilege separation method. This requires Capsicum 313 capability mode support in kernel. 314 31520140216: 316 The nve(4) driver for NVIDIA nForce MCP Ethernet adapters has 317 been deprecated and will not be part of FreeBSD 11.0 and later 318 releases. If you use this driver, please consider switching to 319 the nfe(4) driver instead. 320 32120140120: 322 10.0-RELEASE. 323 32420131216: 325 The behavior of gss_pseudo_random() for the krb5 mechanism 326 has changed, for applications requesting a longer random string 327 than produced by the underlying enctype's pseudo-random() function. 328 In particular, the random string produced from a session key of 329 enctype aes256-cts-hmac-sha1-96 or aes256-cts-hmac-sha1-96 will 330 be different at the 17th octet and later, after this change. 331 The counter used in the PRF+ construction is now encoded as a 332 big-endian integer in accordance with RFC 4402. 333 __FreeBSD_version is bumped to 1000701. 334 33520131108: 336 The WITHOUT_ATF build knob has been removed and its functionality 337 has been subsumed into the more generic WITHOUT_TESTS. If you were 338 using the former to disable the build of the ATF libraries, you 339 should change your settings to use the latter. 340 34120131031: 342 The default version of mtree is nmtree which is obtained from 343 NetBSD. The output is generally the same, but may vary 344 slightly. If you found you need identical output adding 345 "-F freebsd9" to the command line should do the trick. For the 346 time being, the old mtree is available as fmtree. 347 34820131014: 349 libbsdyml has been renamed to libyaml and moved to /usr/lib/private. 350 This will break ports-mgmt/pkg. Rebuild the port, or upgrade to pkg 351 1.1.4_8 and verify bsdyml not linked in, before running "make 352 delete-old-libs": 353 # make -C /usr/ports/ports-mgmt/pkg build deinstall install clean 354 or 355 # pkg install pkg; ldd /usr/local/sbin/pkg | grep bsdyml 356 35720131010: 358 The rc.d/jail script has been updated to support jail(8) 359 configuration file. The "jail_<jname>_*" rc.conf(5) variables 360 for per-jail configuration are automatically converted to 361 /var/run/jail.<jname>.conf before the jail(8) utility is invoked. 362 This is transparently backward compatible. See below about some 363 incompatibilities and rc.conf(5) manual page for more details. 364 365 These variables are now deprecated in favor of jail(8) configuration 366 file. One can use "rc.d/jail config <jname>" command to generate 367 a jail(8) configuration file in /var/run/jail.<jname>.conf without 368 running the jail(8) utility. The default pathname of the 369 configuration file is /etc/jail.conf and can be specified by 370 using $jail_conf or $jail_<jname>_conf variables. 371 372 Please note that jail_devfs_ruleset accepts an integer at 373 this moment. Please consider to rewrite the ruleset name 374 with an integer. 375 37620130930: 377 BIND has been removed from the base system. If all you need 378 is a local resolver, simply enable and start the local_unbound 379 service instead. Otherwise, several versions of BIND are 380 available in the ports tree. The dns/bind99 port is one example. 381 382 With this change, nslookup(1) and dig(1) are no longer in the base 383 system. Users should instead use host(1) and drill(1) which are 384 in the base system. Alternatively, nslookup and dig can 385 be obtained by installing the dns/bind-tools port. 386 38720130916: 388 With the addition of unbound(8), a new unbound user is now 389 required during installworld. "mergemaster -p" can be used to 390 add the user prior to installworld, as documented in the handbook. 391 39220130911: 393 OpenSSH is now built with DNSSEC support, and will by default 394 silently trust signed SSHFP records. This can be controlled with 395 the VerifyHostKeyDNS client configuration setting. DNSSEC support 396 can be disabled entirely with the WITHOUT_LDNS option in src.conf. 397 39820130906: 399 The GNU Compiler Collection and C++ standard library (libstdc++) 400 are no longer built by default on platforms where clang is the system 401 compiler. You can enable them with the WITH_GCC and WITH_GNUCXX 402 options in src.conf. 403 40420130905: 405 The PROCDESC kernel option is now part of the GENERIC kernel 406 configuration and is required for the rwhod(8) to work. 407 If you are using custom kernel configuration, you should include 408 'options PROCDESC'. 409 41020130905: 411 The API and ABI related to the Capsicum framework was modified 412 in backward incompatible way. The userland libraries and programs 413 have to be recompiled to work with the new kernel. This includes the 414 following libraries and programs, but the whole buildworld is 415 advised: libc, libprocstat, dhclient, tcpdump, hastd, hastctl, 416 kdump, procstat, rwho, rwhod, uniq. 417 41820130903: 419 AES-NI intrinsic support has been added to gcc. The AES-NI module 420 has been updated to use this support. A new gcc is required to build 421 the aesni module on both i386 and amd64. 422 42320130821: 424 The PADLOCK_RNG and RDRAND_RNG kernel options are now devices. 425 Thus "device padlock_rng" and "device rdrand_rng" should be 426 used instead of "options PADLOCK_RNG" & "options RDRAND_RNG". 427 42820130813: 429 WITH_ICONV has been split into two feature sets. WITH_ICONV now 430 enables just the iconv* functionality and is now on by default. 431 WITH_LIBICONV_COMPAT enables the libiconv api and link time 432 compatability. Set WITHOUT_ICONV to build the old way. 433 If you have been using WITH_ICONV before, you will very likely 434 need to turn on WITH_LIBICONV_COMPAT. 435 43620130806: 437 INVARIANTS option now enables DEBUG for code with OpenSolaris and 438 Illumos origin, including ZFS. If you have INVARIANTS in your 439 kernel configuration, then there is no need to set DEBUG or ZFS_DEBUG 440 explicitly. 441 DEBUG used to enable witness(9) tracking of OpenSolaris (mostly ZFS) 442 locks if WITNESS option was set. Because that generated a lot of 443 witness(9) reports and all of them were believed to be false 444 positives, this is no longer done. New option OPENSOLARIS_WITNESS 445 can be used to achieve the previous behavior. 446 44720130806: 448 Timer values in IPv6 data structures now use time_uptime instead 449 of time_second. Although this is not a user-visible functional 450 change, userland utilities which directly use them---ndp(8), 451 rtadvd(8), and rtsold(8) in the base system---need to be updated 452 to r253970 or later. 453 45420130802: 455 find -delete can now delete the pathnames given as arguments, 456 instead of only files found below them or if the pathname did 457 not contain any slashes. Formerly, the following error message 458 would result: 459 460 find: -delete: <path>: relative path potentially not safe 461 462 Deleting the pathnames given as arguments can be prevented 463 without error messages using -mindepth 1 or by changing 464 directory and passing "." as argument to find. This works in the 465 old as well as the new version of find. 466 46720130726: 468 Behavior of devfs rules path matching has been changed. 469 Pattern is now always matched against fully qualified devfs 470 path and slash characters must be explicitly matched by 471 slashes in pattern (FNM_PATHNAME). Rulesets involving devfs 472 subdirectories must be reviewed. 473 47420130716: 475 The default ARM ABI has changed to the ARM EABI. The old ABI is 476 incompatible with the ARM EABI and all programs and modules will 477 need to be rebuilt to work with a new kernel. 478 479 To keep using the old ABI ensure the WITHOUT_ARM_EABI knob is set. 480 481 NOTE: Support for the old ABI will be removed in the future and 482 users are advised to upgrade. 483 48420130709: 485 pkg_install has been disconnected from the build if you really need it 486 you should add WITH_PKGTOOLS in your src.conf(5). 487 48820130709: 489 Most of network statistics structures were changed to be able 490 keep 64-bits counters. Thus all tools, that work with networking 491 statistics, must be rebuilt (netstat(1), bsnmpd(1), etc.) 492 49320130629: 494 Fix targets that run multiple make's to use && rather than ; 495 so that subsequent steps depend on success of previous. 496 497 NOTE: if building 'universe' with -j* on stable/8 or stable/9 498 it would be better to start the build using bmake, to avoid 499 overloading the machine. 500 50120130618: 502 Fix a bug that allowed a tracing process (e.g. gdb) to write 503 to a memory-mapped file in the traced process's address space 504 even if neither the traced process nor the tracing process had 505 write access to that file. 506 50720130615: 508 CVS has been removed from the base system. An exact copy 509 of the code is available from the devel/cvs port. 510 51120130613: 512 Some people report the following error after the switch to bmake: 513 514 make: illegal option -- J 515 usage: make [-BPSXeiknpqrstv] [-C directory] [-D variable] 516 ... 517 *** [buildworld] Error code 2 518 519 this likely due to an old instance of make in 520 ${MAKEPATH} (${MAKEOBJDIRPREFIX}${.CURDIR}/make.${MACHINE}) 521 which src/Makefile will use that blindly, if it exists, so if 522 you see the above error: 523 524 rm -rf `make -V MAKEPATH` 525 526 should resolve it. 527 52820130516: 529 Use bmake by default. 530 Whereas before one could choose to build with bmake via 531 -DWITH_BMAKE one must now use -DWITHOUT_BMAKE to use the old 532 make. The goal is to remove these knobs for 10-RELEASE. 533 534 It is worth noting that bmake (like gmake) treats the command 535 line as the unit of failure, rather than statements within the 536 command line. Thus '(cd some/where && dosomething)' is safer 537 than 'cd some/where; dosomething'. The '()' allows consistent 538 behavior in parallel build. 539 54020130429: 541 Fix a bug that allows NFS clients to issue READDIR on files. 542 54320130426: 544 The WITHOUT_IDEA option has been removed because 545 the IDEA patent expired. 546 54720130426: 548 The sysctl which controls TRIM support under ZFS has been renamed 549 from vfs.zfs.trim_disable -> vfs.zfs.trim.enabled and has been 550 enabled by default. 551 55220130425: 553 The mergemaster command now uses the default MAKEOBJDIRPREFIX 554 rather than creating it's own in the temporary directory in 555 order allow access to bootstrapped versions of tools such as 556 install and mtree. When upgrading from version of FreeBSD where 557 the install command does not support -l, you will need to 558 install a new mergemaster command if mergemaster -p is required. 559 This can be accomplished with the command (cd src/usr.sbin/mergemaster 560 && make install). 561 56220130404: 563 Legacy ATA stack, disabled and replaced by new CAM-based one since 564 FreeBSD 9.0, completely removed from the sources. Kernel modules 565 atadisk and atapi*, user-level tools atacontrol and burncd are 566 removed. Kernel option `options ATA_CAM` is now permanently enabled 567 and removed. 568 56920130319: 570 SOCK_CLOEXEC and SOCK_NONBLOCK flags have been added to socket(2) 571 and socketpair(2). Software, in particular Kerberos, may 572 automatically detect and use these during building. The resulting 573 binaries will not work on older kernels. 574 57520130308: 576 CTL_DISABLE has also been added to the sparc64 GENERIC (for further 577 information, see the respective 20130304 entry). 578 57920130304: 580 Recent commits to callout(9) changed the size of struct callout, 581 so the KBI is probably heavily disturbed. Also, some functions 582 in callout(9)/sleep(9)/sleepqueue(9)/condvar(9) KPIs were replaced 583 by macros. Every kernel module using it won't load, so rebuild 584 is requested. 585 586 The ctl device has been re-enabled in GENERIC for i386 and amd64, 587 but does not initialize by default (because of the new CTL_DISABLE 588 option) to save memory. To re-enable it, remove the CTL_DISABLE 589 option from the kernel config file or set kern.cam.ctl.disable=0 590 in /boot/loader.conf. 591 59220130301: 593 The ctl device has been disabled in GENERIC for i386 and amd64. 594 This was done due to the extra memory being allocated at system 595 initialisation time by the ctl driver which was only used if 596 a CAM target device was created. This makes a FreeBSD system 597 unusable on 128MB or less of RAM. 598 59920130208: 600 A new compression method (lz4) has been merged to -HEAD. Please 601 refer to zpool-features(7) for more information. 602 603 Please refer to the "ZFS notes" section of this file for information 604 on upgrading boot ZFS pools. 605 60620130129: 607 A BSD-licensed patch(1) variant has been added and is installed 608 as bsdpatch, being the GNU version the default patch. 609 To inverse the logic and use the BSD-licensed one as default, 610 while having the GNU version installed as gnupatch, rebuild 611 and install world with the WITH_BSD_PATCH knob set. 612 61320130121: 614 Due to the use of the new -l option to install(1) during build 615 and install, you must take care not to directly set the INSTALL 616 make variable in your /etc/make.conf, /etc/src.conf, or on the 617 command line. If you wish to use the -C flag for all installs 618 you may be able to add INSTALL+=-C to /etc/make.conf or 619 /etc/src.conf. 620 62120130118: 622 The install(1) option -M has changed meaning and now takes an 623 argument that is a file or path to append logs to. In the 624 unlikely event that -M was the last option on the command line 625 and the command line contained at least two files and a target 626 directory the first file will have logs appended to it. The -M 627 option served little practical purpose in the last decade so its 628 use is expected to be extremely rare. 629 63020121223: 631 After switching to Clang as the default compiler some users of ZFS 632 on i386 systems started to experience stack overflow kernel panics. 633 Please consider using 'options KSTACK_PAGES=4' in such configurations. 634 63520121222: 636 GEOM_LABEL now mangles label names read from file system metadata. 637 Mangling affect labels containing spaces, non-printable characters, 638 '%' or '"'. Device names in /etc/fstab and other places may need to 639 be updated. 640 64120121217: 642 By default, only the 10 most recent kernel dumps will be saved. To 643 restore the previous behaviour (no limit on the number of kernel dumps 644 stored in the dump directory) add the following line to /etc/rc.conf: 645 646 savecore_flags="" 647 64820121201: 649 With the addition of auditdistd(8), a new auditdistd user is now 650 required during installworld. "mergemaster -p" can be used to 651 add the user prior to installworld, as documented in the handbook. 652 65320121117: 654 The sin6_scope_id member variable in struct sockaddr_in6 is now 655 filled by the kernel before passing the structure to the userland via 656 sysctl or routing socket. This means the KAME-specific embedded scope 657 id in sin6_addr.s6_addr[2] is always cleared in userland application. 658 This behavior can be controlled by net.inet6.ip6.deembed_scopeid. 659 __FreeBSD_version is bumped to 1000025. 660 66120121105: 662 On i386 and amd64 systems WITH_CLANG_IS_CC is now the default. 663 This means that the world and kernel will be compiled with clang 664 and that clang will be installed as /usr/bin/cc, /usr/bin/c++, 665 and /usr/bin/cpp. To disable this behavior and revert to building 666 with gcc, compile with WITHOUT_CLANG_IS_CC. Really old versions 667 of current may need to bootstrap WITHOUT_CLANG first if the clang 668 build fails (its compatibility window doesn't extend to the 9 stable 669 branch point). 670 67120121102: 672 The IPFIREWALL_FORWARD kernel option has been removed. Its 673 functionality now turned on by default. 674 67520121023: 676 The ZERO_COPY_SOCKET kernel option has been removed and 677 split into SOCKET_SEND_COW and SOCKET_RECV_PFLIP. 678 NB: SOCKET_SEND_COW uses the VM page based copy-on-write 679 mechanism which is not safe and may result in kernel crashes. 680 NB: The SOCKET_RECV_PFLIP mechanism is useless as no current 681 driver supports disposeable external page sized mbuf storage. 682 Proper replacements for both zero-copy mechanisms are under 683 consideration and will eventually lead to complete removal 684 of the two kernel options. 685 68620121023: 687 The IPv4 network stack has been converted to network byte 688 order. The following modules need to be recompiled together 689 with kernel: carp(4), divert(4), gif(4), siftr(4), gre(4), 690 pf(4), ipfw(4), ng_ipfw(4), stf(4). 691 69220121022: 693 Support for non-MPSAFE filesystems was removed from VFS. The 694 VFS_VERSION was bumped, all filesystem modules shall be 695 recompiled. 696 69720121018: 698 All the non-MPSAFE filesystems have been disconnected from 699 the build. The full list includes: codafs, hpfs, ntfs, nwfs, 700 portalfs, smbfs, xfs. 701 70220121016: 703 The interface cloning API and ABI has changed. The following 704 modules need to be recompiled together with kernel: 705 ipfw(4), pfsync(4), pflog(4), usb(4), wlan(4), stf(4), 706 vlan(4), disc(4), edsc(4), if_bridge(4), gif(4), tap(4), 707 faith(4), epair(4), enc(4), tun(4), if_lagg(4), gre(4). 708 70920121015: 710 The sdhci driver was split in two parts: sdhci (generic SD Host 711 Controller logic) and sdhci_pci (actual hardware driver). 712 No kernel config modifications are required, but if you 713 load sdhc as a module you must switch to sdhci_pci instead. 714 71520121014: 716 Import the FUSE kernel and userland support into base system. 717 71820121013: 719 The GNU sort(1) program has been removed since the BSD-licensed 720 sort(1) has been the default for quite some time and no serious 721 problems have been reported. The corresponding WITH_GNU_SORT 722 knob has also gone. 723 72420121006: 725 The pfil(9) API/ABI for AF_INET family has been changed. Packet 726 filtering modules: pf(4), ipfw(4), ipfilter(4) need to be recompiled 727 with new kernel. 728 72920121001: 730 The net80211(4) ABI has been changed to allow for improved driver 731 PS-POLL and power-save support. All wireless drivers need to be 732 recompiled to work with the new kernel. 733 73420120913: 735 The random(4) support for the VIA hardware random number 736 generator (`PADLOCK') is no longer enabled unconditionally. 737 Add the padlock_rng device in the custom kernel config if 738 needed. The GENERIC kernels on i386 and amd64 do include the 739 device, so the change only affects the custom kernel 740 configurations. 741 74220120908: 743 The pf(4) packet filter ABI has been changed. pfctl(8) and 744 snmp_pf module need to be recompiled to work with new kernel. 745 74620120828: 747 A new ZFS feature flag "com.delphix:empty_bpobj" has been merged 748 to -HEAD. Pools that have empty_bpobj in active state can not be 749 imported read-write with ZFS implementations that do not support 750 this feature. For more information read the zpool-features(5) 751 manual page. 752 75320120727: 754 The sparc64 ZFS loader has been changed to no longer try to auto- 755 detect ZFS providers based on diskN aliases but now requires these 756 to be explicitly listed in the OFW boot-device environment variable. 757 75820120712: 759 The OpenSSL has been upgraded to 1.0.1c. Any binaries requiring 760 libcrypto.so.6 or libssl.so.6 must be recompiled. Also, there are 761 configuration changes. Make sure to merge /etc/ssl/openssl.cnf. 762 76320120712: 764 The following sysctls and tunables have been renamed for consistency 765 with other variables: 766 kern.cam.da.da_send_ordered -> kern.cam.da.send_ordered 767 kern.cam.ada.ada_send_ordered -> kern.cam.ada.send_ordered 768 76920120628: 770 The sort utility has been replaced with BSD sort. For now, GNU sort 771 is also available as "gnusort" or the default can be set back to 772 GNU sort by setting WITH_GNU_SORT. In this case, BSD sort will be 773 installed as "bsdsort". 774 77520120611: 776 A new version of ZFS (pool version 5000) has been merged to -HEAD. 777 Starting with this version the old system of ZFS pool versioning 778 is superseded by "feature flags". This concept enables forward 779 compatibility against certain future changes in functionality of ZFS 780 pools. The first read-only compatible "feature flag" for ZFS pools 781 is named "com.delphix:async_destroy". For more information 782 read the new zpool-features(5) manual page. 783 Please refer to the "ZFS notes" section of this file for information 784 on upgrading boot ZFS pools. 785 78620120417: 787 The malloc(3) implementation embedded in libc now uses sources imported 788 as contrib/jemalloc. The most disruptive API change is to 789 /etc/malloc.conf. If your system has an old-style /etc/malloc.conf, 790 delete it prior to installworld, and optionally re-create it using the 791 new format after rebooting. See malloc.conf(5) for details 792 (specifically the TUNING section and the "opt.*" entries in the MALLCTL 793 NAMESPACE section). 794 79520120328: 796 Big-endian MIPS TARGET_ARCH values no longer end in "eb". mips64eb 797 is now spelled mips64. mipsn32eb is now spelled mipsn32. mipseb is 798 now spelled mips. This is to aid compatibility with third-party 799 software that expects this naming scheme in uname(3). Little-endian 800 settings are unchanged. If you are updating a big-endian mips64 machine 801 from before this change, you may need to set MACHINE_ARCH=mips64 in 802 your environment before the new build system will recognize your machine. 803 80420120306: 805 Disable by default the option VFS_ALLOW_NONMPSAFE for all supported 806 platforms. 807 80820120229: 809 Now unix domain sockets behave "as expected" on nullfs(5). Previously 810 nullfs(5) did not pass through all behaviours to the underlying layer, 811 as a result if we bound to a socket on the lower layer we could connect 812 only to the lower path; if we bound to the upper layer we could connect 813 only to the upper path. The new behavior is one can connect to both the 814 lower and the upper paths regardless what layer path one binds to. 815 81620120211: 817 The getifaddrs upgrade path broken with 20111215 has been restored. 818 If you have upgraded in between 20111215 and 20120209 you need to 819 recompile libc again with your kernel. You still need to recompile 820 world to be able to configure CARP but this restriction already 821 comes from 20111215. 822 82320120114: 824 The set_rcvar() function has been removed from /etc/rc.subr. All 825 base and ports rc.d scripts have been updated, so if you have a 826 port installed with a script in /usr/local/etc/rc.d you can either 827 hand-edit the rcvar= line, or reinstall the port. 828 829 An easy way to handle the mass-update of /etc/rc.d: 830 rm /etc/rc.d/* && mergemaster -i 831 83220120109: 833 panic(9) now stops other CPUs in the SMP systems, disables interrupts 834 on the current CPU and prevents other threads from running. 835 This behavior can be reverted using the kern.stop_scheduler_on_panic 836 tunable/sysctl. 837 The new behavior can be incompatible with kern.sync_on_panic. 838 83920111215: 840 The carp(4) facility has been changed significantly. Configuration 841 of the CARP protocol via ifconfig(8) has changed, as well as format 842 of CARP events submitted to devd(8) has changed. See manual pages 843 for more information. The arpbalance feature of carp(4) is currently 844 not supported anymore. 845 846 Size of struct in_aliasreq, struct in6_aliasreq has changed. User 847 utilities using SIOCAIFADDR, SIOCAIFADDR_IN6, e.g. ifconfig(8), 848 need to be recompiled. 849 85020111122: 851 The acpi_wmi(4) status device /dev/wmistat has been renamed to 852 /dev/wmistat0. 853 85420111108: 855 The option VFS_ALLOW_NONMPSAFE option has been added in order to 856 explicitely support non-MPSAFE filesystems. 857 It is on by default for all supported platform at this present 858 time. 859 86020111101: 861 The broken amd(4) driver has been replaced with esp(4) in the amd64, 862 i386 and pc98 GENERIC kernel configuration files. 863 86420110930: 865 sysinstall has been removed 866 86720110923: 868 The stable/9 branch created in subversion. This corresponds to the 869 RELENG_9 branch in CVS. 870 87120110913: 872 This commit modifies vfs_register() so that it uses a hash 873 calculation to set vfc_typenum, which is enabled by default. 874 The first time a system is booted after this change, the 875 vfc_typenum values will change for all file systems. The 876 main effect of this is a change to the NFS server file handles 877 for file systems that use vfc_typenum in their fsid, such as ZFS. 878 It will, however, prevent vfc_typenum from changing when file 879 systems are loaded in a different order for subsequent reboots. 880 To disable this, you can set vfs.typenumhash=0 in /boot/loader.conf 881 until you are ready to remount all NFS clients after a reboot. 882 88320110828: 884 Bump the shared library version numbers for libraries that 885 do not use symbol versioning, have changed the ABI compared 886 to stable/8 and which shared library version was not bumped. 887 Done as part of 9.0-RELEASE cycle. 888 88920110815: 890 During the merge of Capsicum features, the fget(9) KPI was modified. 891 This may require the rebuilding of out-of-tree device drivers -- 892 issues have been reported specifically with the nVidia device driver. 893 __FreeBSD_version is bumped to 900041. 894 895 Also, there is a period between 20110811 and 20110814 where the 896 special devices /dev/{stdin,stdout,stderr} did not work correctly. 897 Building world from a kernel during that window may not work. 898 89920110628: 900 The packet filter (pf) code has been updated to OpenBSD 4.5. 901 You need to update userland tools to be in sync with kernel. 902 This update breaks backward compatibility with earlier pfsync(4) 903 versions. Care must be taken when updating redundant firewall setups. 904 90520110608: 906 The following sysctls and tunables are retired on x86 platforms: 907 machdep.hlt_cpus 908 machdep.hlt_logical_cpus 909 The following sysctl is retired: 910 machdep.hyperthreading_allowed 911 The sysctls were supposed to provide a way to dynamically offline and 912 online selected CPUs on x86 platforms, but the implementation has not 913 been reliable especially with SCHED_ULE scheduler. 914 machdep.hyperthreading_allowed tunable is still available to ignore 915 hyperthreading CPUs at OS level. 916 Individual CPUs can be disabled using hint.lapic.X.disabled tunable, 917 where X is an APIC ID of a CPU. Be advised, though, that disabling 918 CPUs in non-uniform fashion will result in non-uniform topology and 919 may lead to sub-optimal system performance with SCHED_ULE, which is 920 a default scheduler. 921 92220110607: 923 cpumask_t type is retired and cpuset_t is used in order to describe 924 a mask of CPUs. 925 92620110531: 927 Changes to ifconfig(8) for dynamic address family detection mandate 928 that you are running a kernel of 20110525 or later. Make sure to 929 follow the update procedure to boot a new kernel before installing 930 world. 931 93220110513: 933 Support for sun4v architecture is officially dropped 934 93520110503: 936 Several KPI breaking changes have been committed to the mii(4) layer, 937 the PHY drivers and consequently some Ethernet drivers using mii(4). 938 This means that miibus.ko and the modules of the affected Ethernet 939 drivers need to be recompiled. 940 941 Note to kernel developers: Given that the OUI bit reversion problem 942 was fixed as part of these changes all mii(4) commits related to OUIs, 943 i.e. to sys/dev/mii/miidevs, PHY driver probing and vendor specific 944 handling, no longer can be merged verbatim to stable/8 and previous 945 branches. 946 94720110430: 948 Users of the Atheros AR71xx SoC code now need to add 'device ar71xx_pci' 949 into their kernel configurations along with 'device pci'. 950 95120110427: 952 The default NFS client is now the new NFS client, so fstype "newnfs" 953 is now "nfs" and the regular/old NFS client is now fstype "oldnfs". 954 Although mounts via fstype "nfs" will usually work without userland 955 changes, it is recommended that the mount(8) and mount_nfs(8) 956 commands be rebuilt from sources and that a link to mount_nfs called 957 mount_oldnfs be created. The new client is compiled into the 958 kernel with "options NFSCL" and this is needed for diskless root 959 file systems. The GENERIC kernel configs have been changed to use 960 NFSCL and NFSD (the new server) instead of NFSCLIENT and NFSSERVER. 961 To use the regular/old client, you can "mount -t oldnfs ...". For 962 a diskless root file system, you must also include a line like: 963 964 vfs.root.mountfrom="oldnfs:" 965 966 in the boot/loader.conf on the root fs on the NFS server to make 967 a diskless root fs use the old client. 968 96920110424: 970 The GENERIC kernels for all architectures now default to the new 971 CAM-based ATA stack. It means that all legacy ATA drivers were 972 removed and replaced by respective CAM drivers. If you are using 973 ATA device names in /etc/fstab or other places, make sure to update 974 them respectively (adX -> adaY, acdX -> cdY, afdX -> daY, astX -> saY, 975 where 'Y's are the sequential numbers starting from zero for each type 976 in order of detection, unless configured otherwise with tunables, 977 see cam(4)). There will be symbolic links created in /dev/ to map 978 old adX devices to the respective adaY. They should provide basic 979 compatibility for file systems mounting in most cases, but they do 980 not support old user-level APIs and do not have respective providers 981 in GEOM. Consider using updated management tools with new device names. 982 983 It is possible to load devices ahci, ata, siis and mvs as modules, 984 but option ATA_CAM should remain in kernel configuration to make ata 985 module work as CAM driver supporting legacy ATA controllers. Device ata 986 still can be used in modular fashion (atacore + ...). Modules atadisk 987 and atapi* are not used and won't affect operation in ATA_CAM mode. 988 Note that to use CAM-based ATA kernel should include CAM devices 989 scbus, pass, da (or explicitly ada), cd and optionally others. All of 990 them are parts of the cam module. 991 992 ataraid(4) functionality is now supported by the RAID GEOM class. 993 To use it you can load geom_raid kernel module and use graid(8) tool 994 for management. Instead of /dev/arX device names, use /dev/raid/rX. 995 996 No kernel config options or code have been removed, so if a problem 997 arises, please report it and optionally revert to the old ATA stack. 998 In order to do it you can remove from the kernel config: 999 options ATA_CAM 1000 device ahci 1001 device mvs 1002 device siis 1003 , and instead add back: 1004 device atadisk # ATA disk drives 1005 device ataraid # ATA RAID drives 1006 device atapicd # ATAPI CDROM drives 1007 device atapifd # ATAPI floppy drives 1008 device atapist # ATAPI tape drives 1009 101020110423: 1011 The default NFS server has been changed to the new server, which 1012 was referred to as the experimental server. If you need to switch 1013 back to the old NFS server, you must now put the "-o" option on 1014 both the mountd and nfsd commands. This can be done using the 1015 mountd_flags and nfs_server_flags rc.conf variables until an 1016 update to the rc scripts is committed, which is coming soon. 1017 101820110418: 1019 The GNU Objective-C runtime library (libobjc), and other Objective-C 1020 related components have been removed from the base system. If you 1021 require an Objective-C library, please use one of the available ports. 1022 102320110331: 1024 ath(4) has been split into bus- and device- modules. if_ath contains 1025 the HAL, the TX rate control and the network device code. if_ath_pci 1026 contains the PCI bus glue. For Atheros MIPS embedded systems, if_ath_ahb 1027 contains the AHB glue. Users need to load both if_ath_pci and if_ath 1028 in order to use ath on everything else. 1029 1030 TO REPEAT: if_ath_ahb is not needed for normal users. Normal users only 1031 need to load if_ath and if_ath_pci for ath(4) operation. 1032 103320110314: 1034 As part of the replacement of sysinstall, the process of building 1035 release media has changed significantly. For details, please re-read 1036 release(7), which has been updated to reflect the new build process. 1037 103820110218: 1039 GNU binutils 2.17.50 (as of 2007-07-03) has been merged to -HEAD. This 1040 is the last available version under GPLv2. It brings a number of new 1041 features, such as support for newer x86 CPU's (with SSE-3, SSSE-3, SSE 1042 4.1 and SSE 4.2), better support for powerpc64, a number of new 1043 directives, and lots of other small improvements. See the ChangeLog 1044 file in contrib/binutils for the full details. 1045 104620110218: 1047 IPsec's HMAC_SHA256-512 support has been fixed to be RFC4868 1048 compliant, and will now use half of hash for authentication. 1049 This will break interoperability with all stacks (including all 1050 actual FreeBSD versions) who implement 1051 draft-ietf-ipsec-ciph-sha-256-00 (they use 96 bits of hash for 1052 authentication). 1053 The only workaround with such peers is to use another HMAC 1054 algorithm for IPsec ("phase 2") authentication. 1055 105620110207: 1057 Remove the uio_yield prototype and symbol. This function has 1058 been misnamed since it was introduced and should not be 1059 globally exposed with this name. The equivalent functionality 1060 is now available using kern_yield(curthread->td_user_pri). 1061 The function remains undocumented. 1062 106320110112: 1064 A SYSCTL_[ADD_]UQUAD was added for unsigned uint64_t pointers, 1065 symmetric with the existing SYSCTL_[ADD_]QUAD. Type checking 1066 for scalar sysctls is defined but disabled. Code that needs 1067 UQUAD to pass the type checking that must compile on older 1068 systems where the define is not present can check against 1069 __FreeBSD_version >= 900030. 1070 1071 The system dialog(1) has been replaced with a new version previously 1072 in ports as devel/cdialog. dialog(1) is mostly command-line compatible 1073 with the previous version, but the libdialog associated with it has 1074 a largely incompatible API. As such, the original version of libdialog 1075 will be kept temporarily as libodialog, until its base system consumers 1076 are replaced or updated. Bump __FreeBSD_version to 900030. 1077 107820110103: 1079 If you are trying to run make universe on a -stable system, and you get 1080 the following warning: 1081 "Makefile", line 356: "Target architecture for i386/conf/GENERIC 1082 unknown. config(8) likely too old." 1083 or something similar to it, then you must upgrade your -stable system 1084 to 8.2-Release or newer (really, any time after r210146 7/15/2010 in 1085 stable/8) or build the config from the latest stable/8 branch and 1086 install it on your system. 1087 1088 Prior to this date, building a current universe on 8-stable system from 1089 between 7/15/2010 and 1/2/2011 would result in a weird shell parsing 1090 error in the first kernel build phase. A new config on those old 1091 systems will fix that problem for older versions of -current. 1092 109320101228: 1094 The TCP stack has been modified to allow Khelp modules to interact with 1095 it via helper hook points and store per-connection data in the TCP 1096 control block. Bump __FreeBSD_version to 900029. User space tools that 1097 rely on the size of struct tcpcb in tcp_var.h (e.g. sockstat) need to 1098 be recompiled. 1099 110020101114: 1101 Generic IEEE 802.3 annex 31B full duplex flow control support has been 1102 added to mii(4) and bge(4), bce(4), msk(4), nfe(4) and stge(4) along 1103 with brgphy(4), e1000phy(4) as well as ip1000phy() have been converted 1104 to take advantage of it instead of using custom implementations. This 1105 means that these drivers now no longer unconditionally advertise 1106 support for flow control but only do so if flow control is a selected 1107 media option. This was implemented in the generic support that way in 1108 order to allow flow control to be switched on and off via ifconfig(8) 1109 with the PHY specific default to typically off in order to protect 1110 from unwanted effects. Consequently, if you used flow control with 1111 one of the above mentioned drivers you now need to explicitly enable 1112 it, for example via: 1113 ifconfig bge0 media auto mediaopt flowcontrol 1114 1115 Along with the above mentioned changes generic support for setting 1116 1000baseT master mode also has been added and brgphy(4), ciphy(4), 1117 e1000phy(4) as well as ip1000phy(4) have been converted to take 1118 advantage of it. This means that these drivers now no longer take the 1119 link0 parameter for selecting master mode but the master media option 1120 has to be used instead, for example like in the following: 1121 ifconfig bge0 media 1000baseT mediaopt full-duplex,master 1122 1123 Selection of master mode now is also available with all other PHY 1124 drivers supporting 1000baseT. 1125 112620101111: 1127 The TCP stack has received a significant update to add support for 1128 modularised congestion control and generally improve the clarity of 1129 congestion control decisions. Bump __FreeBSD_version to 900025. User 1130 space tools that rely on the size of struct tcpcb in tcp_var.h (e.g. 1131 sockstat) need to be recompiled. 1132 113320101002: 1134 The man(1) utility has been replaced by a new version that no longer 1135 uses /etc/manpath.config. Please consult man.conf(5) for how to 1136 migrate local entries to the new format. 1137 113820100928: 1139 The copyright strings printed by login(1) and sshd(8) at the time of a 1140 new connection have been removed to follow other operating systems and 1141 upstream sshd. 1142 114320100915: 1144 A workaround for a fixed ld bug has been removed in kernel code, 1145 so make sure that your system ld is built from sources after 1146 revision 210245 from 2010-07-19 (r211583 if building head kernel 1147 on stable/8, r211584 for stable/7; both from 2010-08-21). 1148 A symptom of incorrect ld version is different addresses for 1149 set_pcpu section and __start_set_pcpu symbol in kernel and/or modules. 1150 115120100913: 1152 The $ipv6_prefer variable in rc.conf(5) has been split into 1153 $ip6addrctl_policy and $ipv6_activate_all_interfaces. 1154 1155 The $ip6addrctl_policy is a variable to choose a pre-defined 1156 address selection policy set by ip6addrctl(8). A value 1157 "ipv4_prefer", "ipv6_prefer" or "AUTO" can be specified. The 1158 default is "AUTO". 1159 1160 The $ipv6_activate_all_interfaces specifies whether IFDISABLED 1161 flag (see an entry of 20090926) is set on an interface with no 1162 corresponding $ifconfig_IF_ipv6 line. The default is "NO" for 1163 security reason. If you want IPv6 link-local address on all 1164 interfaces by default, set this to "YES". 1165 1166 The old ipv6_prefer="YES" is equivalent to 1167 ipv6_activate_all_interfaces="YES" and 1168 ip6addrctl_policy="ipv6_prefer". 1169 117020100913: 1171 DTrace has grown support for userland tracing. Due to this, DTrace is 1172 now i386 and amd64 only. 1173 dtruss(1) is now installed by default on those systems and a new 1174 kernel module is needed for userland tracing: fasttrap. 1175 No changes to your kernel config file are necessary to enable 1176 userland tracing, but you might consider adding 'STRIP=' and 1177 'CFLAGS+=-fno-omit-frame-pointer' to your make.conf if you want 1178 to have informative userland stack traces in DTrace (ustack). 1179 118020100725: 1181 The acpi_aiboost(4) driver has been removed in favor of the new 1182 aibs(4) driver. You should update your kernel configuration file. 1183 118420100722: 1185 BSD grep has been imported to the base system and it is built by 1186 default. It is completely BSD licensed, highly GNU-compatible, uses 1187 less memory than its GNU counterpart and has a small codebase. 1188 However, it is slower than its GNU counterpart, which is mostly 1189 noticeable for larger searches, for smaller ones it is measurable 1190 but not significant. The reason is complex, the most important factor 1191 is that we lack a modern and efficient regex library and GNU 1192 overcomes this by optimizing the searches internally. Future work 1193 on improving the regex performance is planned, for the meantime, 1194 users that need better performance, can build GNU grep instead by 1195 setting the WITH_GNU_GREP knob. 1196 119720100713: 1198 Due to the import of powerpc64 support, all existing powerpc kernel 1199 configuration files must be updated with a machine directive like this: 1200 machine powerpc powerpc 1201 1202 In addition, an updated config(8) is required to build powerpc kernels 1203 after this change. 1204 120520100713: 1206 A new version of ZFS (version 15) has been merged to -HEAD. 1207 This version uses a python library for the following subcommands: 1208 zfs allow, zfs unallow, zfs groupspace, zfs userspace. 1209 For full functionality of these commands the following port must 1210 be installed: sysutils/py-zfs 1211 121220100429: 1213 'vm_page's are now hashed by physical address to an array of mutexes. 1214 Currently this is only used to serialize access to hold_count. Over 1215 time the page queue mutex will be peeled away. This changes the size 1216 of pmap on every architecture. And requires all callers of vm_page_hold 1217 and vm_page_unhold to be updated. 1218 121920100402: 1220 WITH_CTF can now be specified in src.conf (not recommended, there 1221 are some problems with static executables), make.conf (would also 1222 affect ports which do not use GNU make and do not override the 1223 compile targets) or in the kernel config (via "makeoptions 1224 WITH_CTF=yes"). 1225 When WITH_CTF was specified there before this was silently ignored, 1226 so make sure that WITH_CTF is not used in places which could lead 1227 to unwanted behavior. 1228 122920100311: 1230 The kernel option COMPAT_IA32 has been replaced with COMPAT_FREEBSD32 1231 to allow 32-bit compatibility on non-x86 platforms. All kernel 1232 configurations on amd64 and ia64 platforms using these options must 1233 be modified accordingly. 1234 123520100113: 1236 The utmp user accounting database has been replaced with utmpx, 1237 the user accounting interface standardized by POSIX. 1238 Unfortunately the semantics of utmp and utmpx don't match, 1239 making it practically impossible to support both interfaces. 1240 The user accounting database is used by tools like finger(1), 1241 last(1), talk(1), w(1) and ac(8). 1242 1243 All applications in the base system use utmpx. This means only 1244 local binaries (e.g. from the ports tree) may still use these 1245 utmp database files. These applications must be rebuilt to make 1246 use of utmpx. 1247 1248 After the system has been upgraded, it is safe to remove the old 1249 log files (/var/run/utmp, /var/log/lastlog and /var/log/wtmp*), 1250 assuming their contents is of no importance anymore. Old wtmp 1251 databases can only be used by last(1) and ac(8) after they have 1252 been converted to the new format using wtmpcvt(1). 1253 125420100108: 1255 Introduce the kernel thread "deadlock resolver" (which can be enabled 1256 via the DEADLKRES option, see NOTES for more details) and the 1257 sleepq_type() function for sleepqueues. 1258 125920091202: 1260 The rc.firewall and rc.firewall6 were unified, and 1261 rc.firewall6 and rc.d/ip6fw were removed. 1262 According to the removal of rc.d/ip6fw, ipv6_firewall_* rc 1263 variables are obsoleted. Instead, the following new rc 1264 variables are added to rc.d/ipfw: 1265 1266 firewall_client_net_ipv6, firewall_simple_iif_ipv6, 1267 firewall_simple_inet_ipv6, firewall_simple_oif_ipv6, 1268 firewall_simple_onet_ipv6, firewall_trusted_ipv6 1269 1270 The meanings correspond to the relevant IPv4 variables. 1271 127220091125: 1273 8.0-RELEASE. 1274 127520091113: 1276 The default terminal emulation for syscons(4) has been changed 1277 from cons25 to xterm on all platforms except pc98. This means 1278 that the /etc/ttys file needs to be updated to ensure correct 1279 operation of applications on the console. 1280 1281 The terminal emulation style can be toggled per window by using 1282 vidcontrol(1)'s -T flag. The TEKEN_CONS25 kernel configuration 1283 options can be used to change the compile-time default back to 1284 cons25. 1285 1286 To prevent graphical artifacts, make sure the TERM environment 1287 variable is set to match the terminal emulation that is being 1288 performed by syscons(4). 1289 129020091109: 1291 The layout of the structure ieee80211req_scan_result has changed. 1292 Applications that require wireless scan results (e.g. ifconfig(8)) 1293 from net80211 need to be recompiled. 1294 1295 Applications such as wpa_supplicant(8) may require a full world 1296 build without using NO_CLEAN in order to get synchronized with the 1297 new structure. 1298 129920091025: 1300 The iwn(4) driver has been updated to support the 5000 and 5150 series. 1301 There's one kernel module for each firmware. Adding "device iwnfw" 1302 to the kernel configuration file means including all three firmware 1303 images inside the kernel. If you want to include just the one for 1304 your wireless card, use the devices iwn4965fw, iwn5000fw or 1305 iwn5150fw. 1306 130720090926: 1308 The rc.d/network_ipv6, IPv6 configuration script has been integrated 1309 into rc.d/netif. The changes are the following: 1310 1311 1. To use IPv6, simply define $ifconfig_IF_ipv6 like $ifconfig_IF 1312 for IPv4. For aliases, $ifconfig_IF_aliasN should be used. 1313 Note that both variables need the "inet6" keyword at the head. 1314 1315 Do not set $ipv6_network_interfaces manually if you do not 1316 understand what you are doing. It is not needed in most cases. 1317 1318 $ipv6_ifconfig_IF and $ipv6_ifconfig_IF_aliasN still work, but 1319 they are obsolete. 1320 1321 2. $ipv6_enable is obsolete. Use $ipv6_prefer and 1322 "inet6 accept_rtadv" keyword in ifconfig(8) instead. 1323 1324 If you define $ipv6_enable=YES, it means $ipv6_prefer=YES and 1325 all configured interfaces have "inet6 accept_rtadv" in the 1326 $ifconfig_IF_ipv6. These are for backward compatibility. 1327 1328 3. A new variable $ipv6_prefer has been added. If NO, IPv6 1329 functionality of interfaces with no corresponding 1330 $ifconfig_IF_ipv6 is disabled by using "inet6 ifdisabled" flag, 1331 and the default address selection policy of ip6addrctl(8) 1332 is the IPv4-preferred one (see rc.d/ip6addrctl for more details). 1333 Note that if you want to configure IPv6 functionality on the 1334 disabled interfaces after boot, first you need to clear the flag by 1335 using ifconfig(8) like: 1336 1337 ifconfig em0 inet6 -ifdisabled 1338 1339 If YES, the default address selection policy is set as 1340 IPv6-preferred. 1341 1342 The default value of $ipv6_prefer is NO. 1343 1344 4. If your system need to receive Router Advertisement messages, 1345 define "inet6 accept_rtadv" in $ifconfig_IF_ipv6. The rc(8) 1346 scripts automatically invoke rtsol(8) when the interface becomes 1347 UP. The Router Advertisement messages are used for SLAAC 1348 (State-Less Address AutoConfiguration). 1349 135020090922: 1351 802.11s D3.03 support was committed. This is incompatible with the 1352 previous code, which was based on D3.0. 1353 135420090912: 1355 A sysctl variable net.inet6.ip6.accept_rtadv now sets the default value 1356 of a per-interface flag ND6_IFF_ACCEPT_RTADV, not a global knob to 1357 control whether accepting Router Advertisement messages or not. 1358 Also, a per-interface flag ND6_IFF_AUTO_LINKLOCAL has been added and 1359 a sysctl variable net.inet6.ip6.auto_linklocal is its default value. 1360 The ifconfig(8) utility now supports these flags. 1361 136220090910: 1363 ZFS snapshots are now mounted with MNT_IGNORE flag. Use -v option for 1364 mount(8) and -a option for df(1) to see them. 1365 136620090825: 1367 The old tunable hw.bus.devctl_disable has been superseded by 1368 hw.bus.devctl_queue. hw.bus.devctl_disable=1 in loader.conf should be 1369 replaced by hw.bus.devctl_queue=0. The default for this new tunable 1370 is 1000. 1371 137220090813: 1373 Remove the option STOP_NMI. The default action is now to use NMI only 1374 for KDB via the newly introduced function stop_cpus_hard() and 1375 maintain stop_cpus() to just use a normal IPI_STOP on ia32 and amd64. 1376 137720090803: 1378 The stable/8 branch created in subversion. This corresponds to the 1379 RELENG_8 branch in CVS. 1380 138120090719: 1382 Bump the shared library version numbers for all libraries that do not 1383 use symbol versioning as part of the 8.0-RELEASE cycle. Bump 1384 __FreeBSD_version to 800105. 1385 138620090714: 1387 Due to changes in the implementation of virtual network stack support, 1388 all network-related kernel modules must be recompiled. As this change 1389 breaks the ABI, bump __FreeBSD_version to 800104. 1390 139120090713: 1392 The TOE interface to the TCP syncache has been modified to remove 1393 struct tcpopt (<netinet/tcp_var.h>) from the ABI of the network stack. 1394 The cxgb driver is the only TOE consumer affected by this change, and 1395 needs to be recompiled along with the kernel. As this change breaks 1396 the ABI, bump __FreeBSD_version to 800103. 1397 139820090712: 1399 Padding has been added to struct tcpcb, sackhint and tcpstat in 1400 <netinet/tcp_var.h> to facilitate future MFCs and bug fixes whilst 1401 maintaining the ABI. However, this change breaks the ABI, so bump 1402 __FreeBSD_version to 800102. User space tools that rely on the size of 1403 any of these structs (e.g. sockstat) need to be recompiled. 1404 140520090630: 1406 The NFS_LEGACYRPC option has been removed along with the old kernel 1407 RPC implementation that this option selected. Kernel configurations 1408 may need to be adjusted. 1409 141020090629: 1411 The network interface device nodes at /dev/net/<interface> have been 1412 removed. All ioctl operations can be performed the normal way using 1413 routing sockets. The kqueue functionality can generally be replaced 1414 with routing sockets. 1415 141620090628: 1417 The documentation from the FreeBSD Documentation Project (Handbook, 1418 FAQ, etc.) is now installed via packages by sysinstall(8) and under 1419 the /usr/local/share/doc/freebsd directory instead of /usr/share/doc. 1420 142120090624: 1422 The ABI of various structures related to the SYSV IPC API have been 1423 changed. As a result, the COMPAT_FREEBSD[456] and COMPAT_43 kernel 1424 options now all require COMPAT_FREEBSD7. Bump __FreeBSD_version to 1425 800100. 1426 142720090622: 1428 Layout of struct vnet has changed as routing related variables were 1429 moved to their own Vimage module. Modules need to be recompiled. Bump 1430 __FreeBSD_version to 800099. 1431 143220090619: 1433 NGROUPS_MAX and NGROUPS have been increased from 16 to 1023 and 1024 1434 respectively. As long as no more than 16 groups per process are used, 1435 no changes should be visible. When more than 16 groups are used, old 1436 binaries may fail if they call getgroups() or getgrouplist() with 1437 statically sized storage. Recompiling will work around this, but 1438 applications should be modified to use dynamically allocated storage 1439 for group arrays as POSIX.1-2008 does not cap an implementation's 1440 number of supported groups at NGROUPS_MAX+1 as previous versions did. 1441 1442 NFS and portalfs mounts may also be affected as the list of groups is 1443 truncated to 16. Users of NFS who use more than 16 groups, should 1444 take care that negative group permissions are not used on the exported 1445 file systems as they will not be reliable unless a GSSAPI based 1446 authentication method is used. 1447 144820090616: 1449 The compiling option ADAPTIVE_LOCKMGRS has been introduced. This 1450 option compiles in the support for adaptive spinning for lockmgrs 1451 which want to enable it. The lockinit() function now accepts the flag 1452 LK_ADAPTIVE in order to make the lock object subject to adaptive 1453 spinning when both held in write and read mode. 1454 145520090613: 1456 The layout of the structure returned by IEEE80211_IOC_STA_INFO has 1457 changed. User applications that use this ioctl need to be rebuilt. 1458 145920090611: 1460 The layout of struct thread has changed. Kernel and modules need to 1461 be rebuilt. 1462 146320090608: 1464 The layout of structs ifnet, domain, protosw and vnet_net has changed. 1465 Kernel modules need to be rebuilt. Bump __FreeBSD_version to 800097. 1466 146720090602: 1468 window(1) has been removed from the base system. It can now be 1469 installed from ports. The port is called misc/window. 1470 147120090601: 1472 The way we are storing and accessing `routing table' entries has 1473 changed. Programs reading the FIB, like netstat, need to be 1474 re-compiled. 1475 147620090601: 1477 A new netisr implementation has been added for FreeBSD 8. Network 1478 file system modules, such as igmp, ipdivert, and others, should be 1479 rebuilt. 1480 Bump __FreeBSD_version to 800096. 1481 148220090530: 1483 Remove the tunable/sysctl debug.mpsafevfs as its initial purpose is no 1484 more valid. 1485 148620090530: 1487 Add VOP_ACCESSX(9). File system modules need to be rebuilt. 1488 Bump __FreeBSD_version to 800094. 1489 149020090529: 1491 Add mnt_xflag field to 'struct mount'. File system modules need to be 1492 rebuilt. 1493 Bump __FreeBSD_version to 800093. 1494 149520090528: 1496 The compiling option ADAPTIVE_SX has been retired while it has been 1497 introduced the option NO_ADAPTIVE_SX which handles the reversed logic. 1498 The KPI for sx_init_flags() changes as accepting flags: 1499 SX_ADAPTIVESPIN flag has been retired while the SX_NOADAPTIVE flag has 1500 been introduced in order to handle the reversed logic. 1501 Bump __FreeBSD_version to 800092. 1502 150320090527: 1504 Add support for hierarchical jails. Remove global securelevel. 1505 Bump __FreeBSD_version to 800091. 1506 150720090523: 1508 The layout of struct vnet_net has changed, therefore modules 1509 need to be rebuilt. 1510 Bump __FreeBSD_version to 800090. 1511 151220090523: 1513 The newly imported zic(8) produces a new format in the output. Please 1514 run tzsetup(8) to install the newly created data to /etc/localtime. 1515 151620090520: 1517 The sysctl tree for the usb stack has renamed from hw.usb2.* to 1518 hw.usb.* and is now consistent again with previous releases. 1519 152020090520: 1521 802.11 monitor mode support was revised and driver api's were changed. 1522 Drivers dependent on net80211 now support DLT_IEEE802_11_RADIO instead 1523 of DLT_IEEE802_11. No user-visible data structures were changed but 1524 applications that use DLT_IEEE802_11 may require changes. 1525 Bump __FreeBSD_version to 800088. 1526 152720090430: 1528 The layout of the following structs has changed: sysctl_oid, 1529 socket, ifnet, inpcbinfo, tcpcb, syncache_head, vnet_inet, 1530 vnet_inet6 and vnet_ipfw. Most modules need to be rebuild or 1531 panics may be experienced. World rebuild is required for 1532 correctly checking networking state from userland. 1533 Bump __FreeBSD_version to 800085. 1534 153520090429: 1536 MLDv2 and Source-Specific Multicast (SSM) have been merged 1537 to the IPv6 stack. VIMAGE hooks are in but not yet used. 1538 The implementation of SSM within FreeBSD's IPv6 stack closely 1539 follows the IPv4 implementation. 1540 1541 For kernel developers: 1542 1543 * The most important changes are that the ip6_output() and 1544 ip6_input() paths no longer take the IN6_MULTI_LOCK, 1545 and this lock has been downgraded to a non-recursive mutex. 1546 1547 * As with the changes to the IPv4 stack to support SSM, filtering 1548 of inbound multicast traffic must now be performed by transport 1549 protocols within the IPv6 stack. This does not apply to TCP and 1550 SCTP, however, it does apply to UDP in IPv6 and raw IPv6. 1551 1552 * The KPIs used by IPv6 multicast are similar to those used by 1553 the IPv4 stack, with the following differences: 1554 * im6o_mc_filter() is analogous to imo_multicast_filter(). 1555 * The legacy KAME entry points in6_joingroup and in6_leavegroup() 1556 are shimmed to in6_mc_join() and in6_mc_leave() respectively. 1557 * IN6_LOOKUP_MULTI() has been deprecated and removed. 1558 * IPv6 relies on MLD for the DAD mechanism. KAME's internal KPIs 1559 for MLDv1 have an additional 'timer' argument which is used to 1560 jitter the initial membership report for the solicited-node 1561 multicast membership on-link. 1562 * This is not strictly needed for MLDv2, which already jitters 1563 its report transmissions. However, the 'timer' argument is 1564 preserved in case MLDv1 is active on the interface. 1565 1566 * The KAME linked-list based IPv6 membership implementation has 1567 been refactored to use a vector similar to that used by the IPv4 1568 stack. 1569 Code which maintains a list of its own multicast memberships 1570 internally, e.g. carp, has been updated to reflect the new 1571 semantics. 1572 1573 * There is a known Lock Order Reversal (LOR) due to in6_setscope() 1574 acquiring the IF_AFDATA_LOCK and being called within ip6_output(). 1575 Whilst MLDv2 tries to avoid this otherwise benign LOR, it is an 1576 implementation constraint which needs to be addressed in HEAD. 1577 1578 For application developers: 1579 1580 * The changes are broadly similar to those made for the IPv4 1581 stack. 1582 1583 * The use of IPv4 and IPv6 multicast socket options on the same 1584 socket, using mapped addresses, HAS NOT been tested or supported. 1585 1586 * There are a number of issues with the implementation of various 1587 IPv6 multicast APIs which need to be resolved in the API surface 1588 before the implementation is fully compatible with KAME userland 1589 use, and these are mostly to do with interface index treatment. 1590 1591 * The literature available discusses the use of either the delta / ASM 1592 API with setsockopt(2)/getsockopt(2), or the full-state / ASM API 1593 using setsourcefilter(3)/getsourcefilter(3). For more information 1594 please refer to RFC 3768, 'Socket Interface Extensions for 1595 Multicast Source Filters'. 1596 1597 * Applications which use the published RFC 3678 APIs should be fine. 1598 1599 For systems administrators: 1600 1601 * The mtest(8) utility has been refactored to support IPv6, in 1602 addition to IPv4. Interface addresses are no longer accepted 1603 as arguments, their names must be used instead. The utility 1604 will map the interface name to its first IPv4 address as 1605 returned by getifaddrs(3). 1606 1607 * The ifmcstat(8) utility has also been updated to print the MLDv2 1608 endpoint state and source filter lists via sysctl(3). 1609 1610 * The net.inet6.ip6.mcast.loop sysctl may be tuned to 0 to disable 1611 loopback of IPv6 multicast datagrams by default; it defaults to 1 1612 to preserve the existing behaviour. Disabling multicast loopback is 1613 recommended for optimal system performance. 1614 1615 * The IPv6 MROUTING code has been changed to examine this sysctl 1616 instead of attempting to perform a group lookup before looping 1617 back forwarded datagrams. 1618 1619 Bump __FreeBSD_version to 800084. 1620 162120090422: 1622 Implement low-level Bluetooth HCI API. 1623 Bump __FreeBSD_version to 800083. 1624 162520090419: 1626 The layout of struct malloc_type, used by modules to register new 1627 memory allocation types, has changed. Most modules will need to 1628 be rebuilt or panics may be experienced. 1629 Bump __FreeBSD_version to 800081. 1630 163120090415: 1632 Anticipate overflowing inp_flags - add inp_flags2. 1633 This changes most offsets in inpcb, so checking v4 connection 1634 state will require a world rebuild. 1635 Bump __FreeBSD_version to 800080. 1636 163720090415: 1638 Add an llentry to struct route and struct route_in6. Modules 1639 embedding a struct route will need to be recompiled. 1640 Bump __FreeBSD_version to 800079. 1641 164220090414: 1643 The size of rt_metrics_lite and by extension rtentry has changed. 1644 Networking administration apps will need to be recompiled. 1645 The route command now supports show as an alias for get, weighting 1646 of routes, sticky and nostick flags to alter the behavior of stateful 1647 load balancing. 1648 Bump __FreeBSD_version to 800078. 1649 165020090408: 1651 Do not use Giant for kbdmux(4) locking. This is wrong and 1652 apparently causing more problems than it solves. This will 1653 re-open the issue where interrupt handlers may race with 1654 kbdmux(4) in polling mode. Typical symptoms include (but 1655 not limited to) duplicated and/or missing characters when 1656 low level console functions (such as gets) are used while 1657 interrupts are enabled (for example geli password prompt, 1658 mountroot prompt etc.). Disabling kbdmux(4) may help. 1659 166020090407: 1661 The size of structs vnet_net, vnet_inet and vnet_ipfw has changed; 1662 kernel modules referencing any of the above need to be recompiled. 1663 Bump __FreeBSD_version to 800075. 1664 166520090320: 1666 GEOM_PART has become the default partition slicer for storage devices, 1667 replacing GEOM_MBR, GEOM_BSD, GEOM_PC98 and GEOM_GPT slicers. It 1668 introduces some changes: 1669 1670 MSDOS/EBR: the devices created from MSDOS extended partition entries 1671 (EBR) can be named differently than with GEOM_MBR and are now symlinks 1672 to devices with offset-based names. fstabs may need to be modified. 1673 1674 BSD: the "geometry does not match label" warning is harmless in most 1675 cases but it points to problems in file system misalignment with 1676 disk geometry. The "c" partition is now implicit, covers the whole 1677 top-level drive and cannot be (mis)used by users. 1678 1679 General: Kernel dumps are now not allowed to be written to devices 1680 whose partition types indicate they are meant to be used for file 1681 systems (or, in case of MSDOS partitions, as something else than 1682 the "386BSD" type). 1683 1684 Most of these changes date approximately from 200812. 1685 168620090319: 1687 The uscanner(4) driver has been removed from the kernel. This follows 1688 Linux removing theirs in 2.6 and making libusb the default interface 1689 (supported by sane). 1690 169120090319: 1692 The multicast forwarding code has been cleaned up. netstat(1) 1693 only relies on KVM now for printing bandwidth upcall meters. 1694 The IPv4 and IPv6 modules are split into ip_mroute_mod and 1695 ip6_mroute_mod respectively. The config(5) options for statically 1696 compiling this code remain the same, i.e. 'options MROUTING'. 1697 169820090315: 1699 Support for the IFF_NEEDSGIANT network interface flag has been 1700 removed, which means that non-MPSAFE network device drivers are no 1701 longer supported. In particular, if_ar, if_sr, and network device 1702 drivers from the old (legacy) USB stack can no longer be built or 1703 used. 1704 170520090313: 1706 POSIX.1 Native Language Support (NLS) has been enabled in libc and 1707 a bunch of new language catalog files have also been added. 1708 This means that some common libc messages are now localized and 1709 they depend on the LC_MESSAGES environmental variable. 1710 171120090313: 1712 The k8temp(4) driver has been renamed to amdtemp(4) since 1713 support for Family 10 and Family 11 CPU families was added. 1714 171520090309: 1716 IGMPv3 and Source-Specific Multicast (SSM) have been merged 1717 to the IPv4 stack. VIMAGE hooks are in but not yet used. 1718 1719 For kernel developers, the most important changes are that the 1720 ip_output() and ip_input() paths no longer take the IN_MULTI_LOCK(), 1721 and this lock has been downgraded to a non-recursive mutex. 1722 1723 Transport protocols (UDP, Raw IP) are now responsible for filtering 1724 inbound multicast traffic according to group membership and source 1725 filters. The imo_multicast_filter() KPI exists for this purpose. 1726 Transports which do not use multicast (SCTP, TCP) already reject 1727 multicast by default. Forwarding and receive performance may improve 1728 as a mutex acquisition is no longer needed in the ip_input() 1729 low-level input path. in_addmulti() and in_delmulti() are shimmed 1730 to new KPIs which exist to support SSM in-kernel. 1731 1732 For application developers, it is recommended that loopback of 1733 multicast datagrams be disabled for best performance, as this 1734 will still cause the lock to be taken for each looped-back 1735 datagram transmission. The net.inet.ip.mcast.loop sysctl may 1736 be tuned to 0 to disable loopback by default; it defaults to 1 1737 to preserve the existing behaviour. 1738 1739 For systems administrators, to obtain best performance with 1740 multicast reception and multiple groups, it is always recommended 1741 that a card with a suitably precise hash filter is used. Hash 1742 collisions will still result in the lock being taken within the 1743 transport protocol input path to check group membership. 1744 1745 If deploying FreeBSD in an environment with IGMP snooping switches, 1746 it is recommended that the net.inet.igmp.sendlocal sysctl remain 1747 enabled; this forces 224.0.0.0/24 group membership to be announced 1748 via IGMP. 1749 1750 The size of 'struct igmpstat' has changed; netstat needs to be 1751 recompiled to reflect this. 1752 Bump __FreeBSD_version to 800070. 1753 175420090309: 1755 libusb20.so.1 is now installed as libusb.so.1 and the ports system 1756 updated to use it. This requires a buildworld/installworld in order to 1757 update the library and dependencies (usbconfig, etc). Its advisable to 1758 rebuild all ports which uses libusb. More specific directions are given 1759 in the ports collection UPDATING file. Any /etc/libmap.conf entries for 1760 libusb are no longer required and can be removed. 1761 176220090302: 1763 A workaround is committed to allow the creation of System V shared 1764 memory segment of size > 2 GB on the 64-bit architectures. 1765 Due to a limitation of the existing ABI, the shm_segsz member 1766 of the struct shmid_ds, returned by shmctl(IPC_STAT) call is 1767 wrong for large segments. Note that limits must be explicitly 1768 raised to allow such segments to be created. 1769 177020090301: 1771 The layout of struct ifnet has changed, requiring a rebuild of all 1772 network device driver modules. 1773 177420090227: 1775 The /dev handling for the new USB stack has changed, a 1776 buildworld/installworld is required for libusb20. 1777 177820090223: 1779 The new USB2 stack has now been permanently moved in and all kernel and 1780 module names reverted to their previous values (eg, usb, ehci, ohci, 1781 ums, ...). The old usb stack can be compiled in by prefixing the name 1782 with the letter 'o', the old usb modules have been removed. 1783 Updating entry 20090216 for xorg and 20090215 for libmap may still 1784 apply. 1785 178620090217: 1787 The rc.conf(5) option if_up_delay has been renamed to 1788 defaultroute_delay to better reflect its purpose. If you have 1789 customized this setting in /etc/rc.conf you need to update it to 1790 use the new name. 1791 179220090216: 1793 xorg 7.4 wants to configure its input devices via hald which does not 1794 yet work with USB2. If the keyboard/mouse does not work in xorg then 1795 add 1796 Option "AllowEmptyInput" "off" 1797 to your ServerLayout section. This will cause X to use the configured 1798 kbd and mouse sections from your xorg.conf. 1799 180020090215: 1801 The GENERIC kernels for all architectures now default to the new USB2 1802 stack. No kernel config options or code have been removed so if a 1803 problem arises please report it and optionally revert to the old USB 1804 stack. If you are loading USB kernel modules or have a custom kernel 1805 that includes GENERIC then ensure that usb names are also changed over, 1806 eg uftdi -> usb2_serial_ftdi. 1807 1808 Older programs linked against the ports libusb 0.1 need to be 1809 redirected to the new stack's libusb20. /etc/libmap.conf can 1810 be used for this: 1811 # Map old usb library to new one for usb2 stack 1812 libusb-0.1.so.8 libusb20.so.1 1813 181420090209: 1815 All USB ethernet devices now attach as interfaces under the name ueN 1816 (eg. ue0). This is to provide a predictable name as vendors often 1817 change usb chipsets in a product without notice. 1818 181920090203: 1820 The ichsmb(4) driver has been changed to require SMBus slave 1821 addresses be left-justified (xxxxxxx0b) rather than right-justified. 1822 All of the other SMBus controller drivers require left-justified 1823 slave addresses, so this change makes all the drivers provide the 1824 same interface. 1825 182620090201: 1827 INET6 statistics (struct ip6stat) was updated. 1828 netstat(1) needs to be recompiled. 1829 183020090119: 1831 NTFS has been removed from GENERIC kernel on amd64 to match 1832 GENERIC on i386. Should not cause any issues since mount_ntfs(8) 1833 will load ntfs.ko module automatically when NTFS support is 1834 actually needed, unless ntfs.ko is not installed or security 1835 level prohibits loading kernel modules. If either is the case, 1836 "options NTFS" has to be added into kernel config. 1837 183820090115: 1839 TCP Appropriate Byte Counting (RFC 3465) support added to kernel. 1840 New field in struct tcpcb breaks ABI, so bump __FreeBSD_version to 1841 800061. User space tools that rely on the size of struct tcpcb in 1842 tcp_var.h (e.g. sockstat) need to be recompiled. 1843 184420081225: 1845 ng_tty(4) module updated to match the new TTY subsystem. 1846 Due to API change, user-level applications must be updated. 1847 New API support added to mpd5 CVS and expected to be present 1848 in next mpd5.3 release. 1849 185020081219: 1851 With __FreeBSD_version 800060 the makefs tool is part of 1852 the base system (it was a port). 1853 185420081216: 1855 The afdata and ifnet locks have been changed from mutexes to 1856 rwlocks, network modules will need to be re-compiled. 1857 185820081214: 1859 __FreeBSD_version 800059 incorporates the new arp-v2 rewrite. 1860 RTF_CLONING, RTF_LLINFO and RTF_WASCLONED flags are eliminated. 1861 The new code reduced struct rtentry{} by 16 bytes on 32-bit 1862 architecture and 40 bytes on 64-bit architecture. The userland 1863 applications "arp" and "ndp" have been updated accordingly. 1864 The output from "netstat -r" shows only routing entries and 1865 none of the L2 information. 1866 186720081130: 1868 __FreeBSD_version 800057 marks the switchover from the 1869 binary ath hal to source code. Users must add the line: 1870 1871 options AH_SUPPORT_AR5416 1872 1873 to their kernel config files when specifying: 1874 1875 device ath_hal 1876 1877 The ath_hal module no longer exists; the code is now compiled 1878 together with the driver in the ath module. It is now 1879 possible to tailor chip support (i.e. reduce the set of chips 1880 and thereby the code size); consult ath_hal(4) for details. 1881 188220081121: 1883 __FreeBSD_version 800054 adds memory barriers to 1884 <machine/atomic.h>, new interfaces to ifnet to facilitate 1885 multiple hardware transmit queues for cards that support 1886 them, and a lock-less ring-buffer implementation to 1887 enable drivers to more efficiently manage queueing of 1888 packets. 1889 189020081117: 1891 A new version of ZFS (version 13) has been merged to -HEAD. 1892 This version has zpool attribute "listsnapshots" off by 1893 default, which means "zfs list" does not show snapshots, 1894 and is the same as Solaris behavior. 1895 189620081028: 1897 dummynet(4) ABI has changed. ipfw(8) needs to be recompiled. 1898 189920081009: 1900 The uhci, ohci, ehci and slhci USB Host controller drivers have 1901 been put into separate modules. If you load the usb module 1902 separately through loader.conf you will need to load the 1903 appropriate *hci module as well. E.g. for a UHCI-based USB 2.0 1904 controller add the following to loader.conf: 1905 1906 uhci_load="YES" 1907 ehci_load="YES" 1908 190920081009: 1910 The ABI used by the PMC toolset has changed. Please keep 1911 userland (libpmc(3)) and the kernel module (hwpmc(4)) in 1912 sync. 1913 191420081009: 1915 atapci kernel module now includes only generic PCI ATA 1916 driver. AHCI driver moved to ataahci kernel module. 1917 All vendor-specific code moved into separate kernel modules: 1918 ataacard, ataacerlabs, ataadaptec, ataamd, ataati, atacenatek, 1919 atacypress, atacyrix, atahighpoint, ataintel, ataite, atajmicron, 1920 atamarvell, atamicron, atanational, atanetcell, atanvidia, 1921 atapromise, ataserverworks, atasiliconimage, atasis, atavia 1922 192320080820: 1924 The TTY subsystem of the kernel has been replaced by a new 1925 implementation, which provides better scalability and an 1926 improved driver model. Most common drivers have been migrated to 1927 the new TTY subsystem, while others have not. The following 1928 drivers have not yet been ported to the new TTY layer: 1929 1930 PCI/ISA: 1931 cy, digi, rc, rp, sio 1932 1933 USB: 1934 ubser, ucycom 1935 1936 Line disciplines: 1937 ng_h4, ng_tty, ppp, sl, snp 1938 1939 Adding these drivers to your kernel configuration file shall 1940 cause compilation to fail. 1941 194220080818: 1943 ntpd has been upgraded to 4.2.4p5. 1944 194520080801: 1946 OpenSSH has been upgraded to 5.1p1. 1947 1948 For many years, FreeBSD's version of OpenSSH preferred DSA 1949 over RSA for host and user authentication keys. With this 1950 upgrade, we've switched to the vendor's default of RSA over 1951 DSA. This may cause upgraded clients to warn about unknown 1952 host keys even for previously known hosts. Users should 1953 follow the usual procedure for verifying host keys before 1954 accepting the RSA key. 1955 1956 This can be circumvented by setting the "HostKeyAlgorithms" 1957 option to "ssh-dss,ssh-rsa" in ~/.ssh/config or on the ssh 1958 command line. 1959 1960 Please note that the sequence of keys offered for 1961 authentication has been changed as well. You may want to 1962 specify IdentityFile in a different order to revert this 1963 behavior. 1964 196520080713: 1966 The sio(4) driver has been removed from the i386 and amd64 1967 kernel configuration files. This means uart(4) is now the 1968 default serial port driver on those platforms as well. 1969 1970 To prevent collisions with the sio(4) driver, the uart(4) driver 1971 uses different names for its device nodes. This means the 1972 onboard serial port will now most likely be called "ttyu0" 1973 instead of "ttyd0". You may need to reconfigure applications to 1974 use the new device names. 1975 1976 When using the serial port as a boot console, be sure to update 1977 /boot/device.hints and /etc/ttys before booting the new kernel. 1978 If you forget to do so, you can still manually specify the hints 1979 at the loader prompt: 1980 1981 set hint.uart.0.at="isa" 1982 set hint.uart.0.port="0x3F8" 1983 set hint.uart.0.flags="0x10" 1984 set hint.uart.0.irq="4" 1985 boot -s 1986 198720080609: 1988 The gpt(8) utility has been removed. Use gpart(8) to partition 1989 disks instead. 1990 199120080603: 1992 The version that Linuxulator emulates was changed from 2.4.2 1993 to 2.6.16. If you experience any problems with Linux binaries 1994 please try to set sysctl compat.linux.osrelease to 2.4.2 and 1995 if it fixes the problem contact emulation mailing list. 1996 199720080525: 1998 ISDN4BSD (I4B) was removed from the src tree. You may need to 1999 update a your kernel configuration and remove relevant entries. 2000 200120080509: 2002 I have checked in code to support multiple routing tables. 2003 See the man pages setfib(1) and setfib(2). 2004 This is a hopefully backwards compatible version, 2005 but to make use of it you need to compile your kernel 2006 with options ROUTETABLES=2 (or more up to 16). 2007 200820080420: 2009 The 802.11 wireless support was redone to enable multi-bss 2010 operation on devices that are capable. The underlying device 2011 is no longer used directly but instead wlanX devices are 2012 cloned with ifconfig. This requires changes to rc.conf files. 2013 For example, change: 2014 ifconfig_ath0="WPA DHCP" 2015 to 2016 wlans_ath0=wlan0 2017 ifconfig_wlan0="WPA DHCP" 2018 see rc.conf(5) for more details. In addition, mergemaster of 2019 /etc/rc.d is highly recommended. Simultaneous update of userland 2020 and kernel wouldn't hurt either. 2021 2022 As part of the multi-bss changes the wlan_scan_ap and wlan_scan_sta 2023 modules were merged into the base wlan module. All references 2024 to these modules (e.g. in kernel config files) must be removed. 2025 202620080408: 2027 psm(4) has gained write(2) support in native operation level. 2028 Arbitrary commands can be written to /dev/psm%d and status can 2029 be read back from it. Therefore, an application is responsible 2030 for status validation and error recovery. It is a no-op in 2031 other operation levels. 2032 203320080312: 2034 Support for KSE threading has been removed from the kernel. To 2035 run legacy applications linked against KSE libmap.conf may 2036 be used. The following libmap.conf may be used to ensure 2037 compatibility with any prior release: 2038 2039 libpthread.so.1 libthr.so.1 2040 libpthread.so.2 libthr.so.2 2041 libkse.so.3 libthr.so.3 2042 204320080301: 2044 The layout of struct vmspace has changed. This affects libkvm 2045 and any executables that link against libkvm and use the 2046 kvm_getprocs() function. In particular, but not exclusively, 2047 it affects ps(1), fstat(1), pkill(1), systat(1), top(1) and w(1). 2048 The effects are minimal, but it's advisable to upgrade world 2049 nonetheless. 2050 205120080229: 2052 The latest em driver no longer has support in it for the 2053 82575 adapter, this is now moved to the igb driver. The 2054 split was done to make new features that are incompatible 2055 with older hardware easier to do. 2056 205720080220: 2058 The new geom_lvm(4) geom class has been renamed to geom_linux_lvm(4), 2059 likewise the kernel option is now GEOM_LINUX_LVM. 2060 206120080211: 2062 The default NFS mount mode has changed from UDP to TCP for 2063 increased reliability. If you rely on (insecurely) NFS 2064 mounting across a firewall you may need to update your 2065 firewall rules. 2066 206720080208: 2068 Belatedly note the addition of m_collapse for compacting 2069 mbuf chains. 2070 207120080126: 2072 The fts(3) structures have been changed to use adequate 2073 integer types for their members and so to be able to cope 2074 with huge file trees. The old fts(3) ABI is preserved 2075 through symbol versioning in libc, so third-party binaries 2076 using fts(3) should still work, although they will not take 2077 advantage of the extended types. At the same time, some 2078 third-party software might fail to build after this change 2079 due to unportable assumptions made in its source code about 2080 fts(3) structure members. Such software should be fixed 2081 by its vendor or, in the worst case, in the ports tree. 2082 FreeBSD_version 800015 marks this change for the unlikely 2083 case that a portable fix is impossible. 2084 208520080123: 2086 To upgrade to -current after this date, you must be running 2087 FreeBSD not older than 6.0-RELEASE. Upgrading to -current 2088 from 5.x now requires a stop over at RELENG_6 or RELENG_7 systems. 2089 209020071128: 2091 The ADAPTIVE_GIANT kernel option has been retired because its 2092 functionality is the default now. 2093 209420071118: 2095 The AT keyboard emulation of sunkbd(4) has been turned on 2096 by default. In order to make the special symbols of the Sun 2097 keyboards driven by sunkbd(4) work under X these now have 2098 to be configured the same way as Sun USB keyboards driven 2099 by ukbd(4) (which also does AT keyboard emulation), f.e.: 2100 2101 Option "XkbLayout" "us" 2102 Option "XkbRules" "xorg" 2103 Option "XkbSymbols" "pc(pc105)+sun_vndr/usb(sun_usb)+us" 2104 210520071024: 2106 It has been decided that it is desirable to provide ABI 2107 backwards compatibility to the FreeBSD 4/5/6 versions of the 2108 PCIOCGETCONF, PCIOCREAD and PCIOCWRITE IOCTLs, which was 2109 broken with the introduction of PCI domain support (see the 2110 20070930 entry). Unfortunately, this required the ABI of 2111 PCIOCGETCONF to be broken again in order to be able to 2112 provide backwards compatibility to the old version of that 2113 IOCTL. Thus consumers of PCIOCGETCONF have to be recompiled 2114 again. As for prominent ports this affects neither pciutils 2115 nor xorg-server this time, the hal port needs to be rebuilt 2116 however. 2117 211820071020: 2119 The misnamed kthread_create() and friends have been renamed 2120 to kproc_create() etc. Many of the callers already 2121 used kproc_start().. 2122 I will return kthread_create() and friends in a while 2123 with implementations that actually create threads, not procs. 2124 Renaming corresponds with version 800002. 2125 212620071010: 2127 RELENG_7 branched. 2128 2129COMMON ITEMS: 2130 2131 General Notes 2132 ------------- 2133 Avoid using make -j when upgrading. While generally safe, there are 2134 sometimes problems using -j to upgrade. If your upgrade fails with 2135 -j, please try again without -j. From time to time in the past there 2136 have been problems using -j with buildworld and/or installworld. This 2137 is especially true when upgrading between "distant" versions (eg one 2138 that cross a major release boundary or several minor releases, or when 2139 several months have passed on the -current branch). 2140 2141 Sometimes, obscure build problems are the result of environment 2142 poisoning. This can happen because the make utility reads its 2143 environment when searching for values for global variables. To run 2144 your build attempts in an "environmental clean room", prefix all make 2145 commands with 'env -i '. See the env(1) manual page for more details. 2146 2147 When upgrading from one major version to another it is generally best 2148 to upgrade to the latest code in the currently installed branch first, 2149 then do an upgrade to the new branch. This is the best-tested upgrade 2150 path, and has the highest probability of being successful. Please try 2151 this approach before reporting problems with a major version upgrade. 2152 2153 When upgrading a live system, having a root shell around before 2154 installing anything can help undo problems. Not having a root shell 2155 around can lead to problems if pam has changed too much from your 2156 starting point to allow continued authentication after the upgrade. 2157 2158 ZFS notes 2159 --------- 2160 When upgrading the boot ZFS pool to a new version, always follow 2161 these two steps: 2162 2163 1.) recompile and reinstall the ZFS boot loader and boot block 2164 (this is part of "make buildworld" and "make installworld") 2165 2166 2.) update the ZFS boot block on your boot drive 2167 2168 The following example updates the ZFS boot block on the first 2169 partition (freebsd-boot) of a GPT partitioned drive ad0: 2170 "gpart bootcode -p /boot/gptzfsboot -i 1 ad0" 2171 2172 Non-boot pools do not need these updates. 2173 2174 To build a kernel 2175 ----------------- 2176 If you are updating from a prior version of FreeBSD (even one just 2177 a few days old), you should follow this procedure. It is the most 2178 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 2179 2180 make kernel-toolchain 2181 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 2182 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 2183 2184 To test a kernel once 2185 --------------------- 2186 If you just want to boot a kernel once (because you are not sure 2187 if it works, or if you want to boot a known bad kernel to provide 2188 debugging information) run 2189 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 2190 nextboot -k testkernel 2191 2192 To just build a kernel when you know that it won't mess you up 2193 -------------------------------------------------------------- 2194 This assumes you are already running a CURRENT system. Replace 2195 ${arch} with the architecture of your machine (e.g. "i386", 2196 "arm", "amd64", "ia64", "pc98", "sparc64", "powerpc", "mips", etc). 2197 2198 cd src/sys/${arch}/conf 2199 config KERNEL_NAME_HERE 2200 cd ../compile/KERNEL_NAME_HERE 2201 make depend 2202 make 2203 make install 2204 2205 If this fails, go to the "To build a kernel" section. 2206 2207 To rebuild everything and install it on the current system. 2208 ----------------------------------------------------------- 2209 # Note: sometimes if you are running current you gotta do more than 2210 # is listed here if you are upgrading from a really old current. 2211 2212 <make sure you have good level 0 dumps> 2213 make buildworld 2214 make kernel KERNCONF=YOUR_KERNEL_HERE 2215 [1] 2216 <reboot in single user> [3] 2217 mergemaster -p [5] 2218 make installworld 2219 mergemaster -i [4] 2220 make delete-old [6] 2221 <reboot> 2222 2223 To cross-install current onto a separate partition 2224 -------------------------------------------------- 2225 # In this approach we use a separate partition to hold 2226 # current's root, 'usr', and 'var' directories. A partition 2227 # holding "/", "/usr" and "/var" should be about 2GB in 2228 # size. 2229 2230 <make sure you have good level 0 dumps> 2231 <boot into -stable> 2232 make buildworld 2233 make buildkernel KERNCONF=YOUR_KERNEL_HERE 2234 <maybe newfs current's root partition> 2235 <mount current's root partition on directory ${CURRENT_ROOT}> 2236 make installworld DESTDIR=${CURRENT_ROOT} 2237 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 2238 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 2239 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 2240 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 2241 <reboot into current> 2242 <do a "native" rebuild/install as described in the previous section> 2243 <maybe install compatibility libraries from ports/misc/compat*> 2244 <reboot> 2245 2246 2247 To upgrade in-place from stable to current 2248 ---------------------------------------------- 2249 <make sure you have good level 0 dumps> 2250 make buildworld [9] 2251 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 2252 [1] 2253 <reboot in single user> [3] 2254 mergemaster -p [5] 2255 make installworld 2256 mergemaster -i [4] 2257 make delete-old [6] 2258 <reboot> 2259 2260 Make sure that you've read the UPDATING file to understand the 2261 tweaks to various things you need. At this point in the life 2262 cycle of current, things change often and you are on your own 2263 to cope. The defaults can also change, so please read ALL of 2264 the UPDATING entries. 2265 2266 Also, if you are tracking -current, you must be subscribed to 2267 freebsd-current@freebsd.org. Make sure that before you update 2268 your sources that you have read and understood all the recent 2269 messages there. If in doubt, please track -stable which has 2270 much fewer pitfalls. 2271 2272 [1] If you have third party modules, such as vmware, you 2273 should disable them at this point so they don't crash your 2274 system on reboot. 2275 2276 [3] From the bootblocks, boot -s, and then do 2277 fsck -p 2278 mount -u / 2279 mount -a 2280 cd src 2281 adjkerntz -i # if CMOS is wall time 2282 Also, when doing a major release upgrade, it is required that 2283 you boot into single user mode to do the installworld. 2284 2285 [4] Note: This step is non-optional. Failure to do this step 2286 can result in a significant reduction in the functionality of the 2287 system. Attempting to do it by hand is not recommended and those 2288 that pursue this avenue should read this file carefully, as well 2289 as the archives of freebsd-current and freebsd-hackers mailing lists 2290 for potential gotchas. The -U option is also useful to consider. 2291 See mergemaster(8) for more information. 2292 2293 [5] Usually this step is a noop. However, from time to time 2294 you may need to do this if you get unknown user in the following 2295 step. It never hurts to do it all the time. You may need to 2296 install a new mergemaster (cd src/usr.sbin/mergemaster && make 2297 install) after the buildworld before this step if you last updated 2298 from current before 20130425 or from -stable before 20130430. 2299 2300 [6] This only deletes old files and directories. Old libraries 2301 can be deleted by "make delete-old-libs", but you have to make 2302 sure that no program is using those libraries anymore. 2303 2304 [8] In order to have a kernel that can run the 4.x binaries needed to 2305 do an installworld, you must include the COMPAT_FREEBSD4 option in 2306 your kernel. Failure to do so may leave you with a system that is 2307 hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 is 2308 required to run the 5.x binaries on more recent kernels. And so on 2309 for COMPAT_FREEBSD6 and COMPAT_FREEBSD7. 2310 2311 Make sure that you merge any new devices from GENERIC since the 2312 last time you updated your kernel config file. 2313 2314 [9] When checking out sources, you must include the -P flag to have 2315 cvs prune empty directories. 2316 2317 If CPUTYPE is defined in your /etc/make.conf, make sure to use the 2318 "?=" instead of the "=" assignment operator, so that buildworld can 2319 override the CPUTYPE if it needs to. 2320 2321 MAKEOBJDIRPREFIX must be defined in an environment variable, and 2322 not on the command line, or in /etc/make.conf. buildworld will 2323 warn if it is improperly defined. 2324FORMAT: 2325 2326This file contains a list, in reverse chronological order, of major 2327breakages in tracking -current. It is not guaranteed to be a complete 2328list of such breakages, and only contains entries since October 10, 2007. 2329If you need to see UPDATING entries from before that date, you will need 2330to fetch an UPDATING file from an older FreeBSD release. 2331 2332Copyright information: 2333 2334Copyright 1998-2009 M. Warner Losh. All Rights Reserved. 2335 2336Redistribution, publication, translation and use, with or without 2337modification, in full or in part, in any form or format of this 2338document are permitted without further permission from the author. 2339 2340THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 2341IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 2342WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 2343DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 2344INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 2345(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2346SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2347HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 2348STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 2349IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2350POSSIBILITY OF SUCH DAMAGE. 2351 2352Contact Warner Losh if you have any questions about your use of 2353this document. 2354 2355$FreeBSD: releng/10.1/UPDATING 294904 2016-01-27 07:41:31Z delphij $ 2356