UPDATING revision 285979
1Updating Information for FreeBSD current users 2 3This file is maintained and copyrighted by M. Warner Losh <imp@freebsd.org>. 4See end of file for further details. For commonly done items, please see the 5COMMON ITEMS: section later in the file. These instructions assume that you 6basically know what you are doing. If not, then please consult the FreeBSD 7handbook: 8 9 http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html 10 11Items 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 1920150728: p16 FreeBSD-SA-15:14.bsdpatch 20 FreeBSD-SA-15:15.tcp 21 FreeBSD-SA-15:16.openssh 22 23 Fix patch(1) shell injection vulnerability. [SA-15:14] 24 25 Fix resource exhaustion in TCP reassembly. [SA-15:15] 26 27 Fix OpenSSH multiple vulnerabilities. [SA-15:16] 28 2920150721: p15 FreeBSD-SA-15:13.tcp 30 31 Fix resource exhaustion due to sessions stuck in LAST_ACK state. 32 [SA-15:13] 33 3420150630: p14 FreeBSD-EN-15:08.sendmail [revised] 35 FreeBSD-EN-15:09.xlocale 36 FreeBSD-EN-15:10.iconv 37 38 Improvements to sendmail TLS/DH interoperability. [EN-15:08] 39 40 Fix inconsistency between locale and rune locale states. 41 [EN-15:09] 42 43 Improved iconv(3) UTF-7 support. [EN-15:10] 44 4520150618: p13 FreeBSD-EN-15:08.sendmail 46 Improvements to sendmail TLS/DH interoperability. [EN-15:08] 47 4820150612: p12 FreeBSD-SA-15:10.openssl 49 Fix multiple vulnerabilities in OpenSSL. [SA-15:10] 50 5120150609: p11 FreeBSD-EN-15:06.file 52 FreeBSD-EN-15:07.zfs 53 54 Updated base system file(1) to 5.22 to address multiple denial 55 of service issues. [EN-15:06] 56 57 Improved reliability of ZFS when TRIM/UNMAP and/or L2ARC is used. 58 [EN-15:07] 59 6020150513: p10 FreeBSD-EN-15:04.freebsd-update 61 FreeBSD-EN-15:05.ufs 62 63 Fix bug with freebsd-update(8) that does not ensure the previous 64 upgrade was completed. [EN-15:04] 65 66 Fix deadlock on reboot with UFS tuned with SU+J. [EN-15:05] 67 6820150407: p9 FreeBSD-SA-15:04.igmp [revised] 69 FreeBSD-SA-15:07.ntp 70 FreeBSD-SA-15:08.bsdinstall 71 FreeBSD-SA-15:09.ipv6 72 73 Improved patch for SA-15:04.igmp. 74 75 Fix multiple vulnerabilities of ntp. [SA-15:07] 76 77 Fix bsdinstall(8) insecure default GELI keyfile permissions. [SA-15:08] 78 79 Fix Denial of Service with IPv6 Router Advertisements. [SA-15:09] 80 8120150320: p8 82 Fix patch for SA-15:06.openssl. 83 8420150319: p7 FreeBSD-SA-15:06.openssl 85 Fix multiple vulnerabilities in OpenSSL. [SA-15:06] 86 8720150225: p6 FreeBSD-SA-15:04.igmp 88 FreeBSD-EN-15:01.vt 89 FreeBSD-EN-15:02.openssl 90 FreeBSD-EN-15:03.freebsd-update 91 92 Fix integer overflow in IGMP protocol. [SA-15:04] 93 94 Fix vt(4) crash with improper ioctl parameters. [EN-15:01] 95 96 Updated base system OpenSSL to 1.0.1l. [EN-15:02] 97 98 Fix freebsd-update libraries update ordering issue. [EN-15:03] 99 10020150127: p5 FreeBSD-SA-15:02.kmem 101 FreeBSD-SA-15:03.sctp 102 103 Fix SCTP SCTP_SS_VALUE kernel memory corruption and disclosure 104 vulnerability. [SA-15:02] 105 106 Fix SCTP stream reset vulnerability. [SA-15:03] 107 10820150114: p4 FreeBSD-SA-15:01.openssl 109 Fix multiple vulnerabilities in OpenSSL. [SA-15:01] 110 11120141223: p3 FreeBSD-SA-14:31.ntp 112 FreeBSD-EN-14:13.freebsd-update 113 114 Fix multiple vulnerabilities in NTP suite. [SA-14:31] 115 Fix directory deletion issue in freebsd-update. [EN-14:13] 116 11720141217: p2 FreeBSD-SA-14:30.unbound 118 Fix unbound remote denial of service vulnerability. 119 12020141210: p1 FreeBSD-SA-14:27.stdio 121 FreeBSD-SA-14:28.file 122 123 Fix buffer overflow in stdio. [SA-14:27] 124 125 Fix multiple vulnerabilities in file(1) and libmagic(3). 126 [SA-14:28] 127 12820140904: 129 The ofwfb driver, used to provide a graphics console on PowerPC when 130 using vt(4), no longer allows mmap() of all of physical memory. This 131 will prevent Xorg on PowerPC with some ATI graphics cards from 132 initializing properly unless x11-servers/xorg-server is updated to 133 1.12.4_8 or newer. 134 13520140831: 136 The libatf-c and libatf-c++ major versions were downgraded to 0 and 137 1 respectively to match the upstream numbers. They were out of 138 sync because, when they were originally added to FreeBSD, the 139 upstream versions were not respected. These libraries are private 140 and not yet built by default, so renumbering them should be a 141 non-issue. However, unclean source trees will yield broken test 142 programs once the operator executes "make delete-old-libs" after a 143 "make installworld". 144 145 Additionally, the atf-sh binary was made private by moving it into 146 /usr/libexec/. Already-built shell test programs will keep the 147 path to the old binary so they will break after "make delete-old" 148 is run. 149 150 If you are using WITH_TESTS=yes (not the default), wipe the object 151 tree and rebuild from scratch to prevent spurious test failures. 152 This is only needed once: the misnumbered libraries and misplaced 153 binaries have been added to OptionalObsoleteFiles.inc so they will 154 be removed during a clean upgrade. 155 15620140814: 157 The ixgbe tunables now match their sysctl counterparts, for example: 158 hw.ixgbe.enable_aim => hw.ix.enable_aim 159 Anyone using ixgbe tunables should ensure they update /boot/loader.conf. 160 16120140801: 162 The NFSv4.1 server committed by r269398 changes the internal 163 function call interfaces used between the NFS and krpc modules. 164 As such, __FreeBSD_version was bumped. 165 16620140729: 167 The default unbound configuration has been modified to address 168 issues with reverse lookups on networks that use private 169 address ranges. If you use the local_unbound service, run 170 "service local_unbound setup" as root to regenerate your 171 configuration, then "service local_unbound reload" to load the 172 new configuration. 173 17420140717: 175 It is no longer necessary to include the dwarf version in your DEBUG 176 options in your kernel config file. The bug that required it to be 177 placed in the config file has bene fixed. DEBUG should now just 178 contain -g. The build system will automatically update things 179 to do the right thing. 180 18120140715: 182 Several ABI breaking changes were merged to CTL and new iSCSI code. 183 All CTL and iSCSI-related tools, such as ctladm, ctld, iscsid and 184 iscsictl need to be rebuilt to work with a new kernel. 185 18620140708: 187 The WITHOUT_VT_SUPPORT kernel config knob has been renamed 188 WITHOUT_VT. (The other _SUPPORT knobs have a consistent meaning 189 which differs from the behaviour controlled by this knob.) 190 19120140608: 192 On i386 and amd64 systems, the onifconsole flag is now set by default 193 in /etc/ttys for ttyu0. This causes ttyu0 to be automatically enabled 194 as a login TTY if it is set in the bootloader as an active kernel 195 console. No changes in behavior should result otherwise. To revert to 196 the previous behavior, set ttyu0 to "off" in /etc/ttys. 197 19820140512: 199 Clang and llvm have been upgraded to 3.4.1 release. 200 20120140321: 202 Clang and llvm have been upgraded to 3.4 release. 203 20420140306: 205 If a Makefile in a tests/ directory was auto-generating a Kyuafile 206 instead of providing an explicit one, this would prevent such 207 Makefile from providing its own Kyuafile in the future during 208 NO_CLEAN builds. This has been fixed in the Makefiles but manual 209 intervention is needed to clean an objdir if you use NO_CLEAN: 210 # find /usr/obj -name Kyuafile | xargs rm -f 211 21220140303: 213 OpenSSH will now ignore errors caused by kernel lacking of Capsicum 214 capability mode support. Please note that enabling the feature in 215 kernel is still highly recommended. 216 21720140227: 218 OpenSSH is now built with sandbox support, and will use sandbox as 219 the default privilege separation method. This requires Capsicum 220 capability mode support in kernel. 221 22220140216: 223 The nve(4) driver for NVIDIA nForce MCP Ethernet adapters has 224 been deprecated and will not be part of FreeBSD 11.0 and later 225 releases. If you use this driver, please consider switching to 226 the nfe(4) driver instead. 227 22820140120: 229 10.0-RELEASE. 230 23120131216: 232 The behavior of gss_pseudo_random() for the krb5 mechanism 233 has changed, for applications requesting a longer random string 234 than produced by the underlying enctype's pseudo-random() function. 235 In particular, the random string produced from a session key of 236 enctype aes256-cts-hmac-sha1-96 or aes256-cts-hmac-sha1-96 will 237 be different at the 17th octet and later, after this change. 238 The counter used in the PRF+ construction is now encoded as a 239 big-endian integer in accordance with RFC 4402. 240 __FreeBSD_version is bumped to 1000701. 241 24220131108: 243 The WITHOUT_ATF build knob has been removed and its functionality 244 has been subsumed into the more generic WITHOUT_TESTS. If you were 245 using the former to disable the build of the ATF libraries, you 246 should change your settings to use the latter. 247 24820131031: 249 The default version of mtree is nmtree which is obtained from 250 NetBSD. The output is generally the same, but may vary 251 slightly. If you found you need identical output adding 252 "-F freebsd9" to the command line should do the trick. For the 253 time being, the old mtree is available as fmtree. 254 25520131014: 256 libbsdyml has been renamed to libyaml and moved to /usr/lib/private. 257 This will break ports-mgmt/pkg. Rebuild the port, or upgrade to pkg 258 1.1.4_8 and verify bsdyml not linked in, before running "make 259 delete-old-libs": 260 # make -C /usr/ports/ports-mgmt/pkg build deinstall install clean 261 or 262 # pkg install pkg; ldd /usr/local/sbin/pkg | grep bsdyml 263 26420131010: 265 The rc.d/jail script has been updated to support jail(8) 266 configuration file. The "jail_<jname>_*" rc.conf(5) variables 267 for per-jail configuration are automatically converted to 268 /var/run/jail.<jname>.conf before the jail(8) utility is invoked. 269 This is transparently backward compatible. See below about some 270 incompatibilities and rc.conf(5) manual page for more details. 271 272 These variables are now deprecated in favor of jail(8) configuration 273 file. One can use "rc.d/jail config <jname>" command to generate 274 a jail(8) configuration file in /var/run/jail.<jname>.conf without 275 running the jail(8) utility. The default pathname of the 276 configuration file is /etc/jail.conf and can be specified by 277 using $jail_conf or $jail_<jname>_conf variables. 278 279 Please note that jail_devfs_ruleset accepts an integer at 280 this moment. Please consider to rewrite the ruleset name 281 with an integer. 282 28320130930: 284 BIND has been removed from the base system. If all you need 285 is a local resolver, simply enable and start the local_unbound 286 service instead. Otherwise, several versions of BIND are 287 available in the ports tree. The dns/bind99 port is one example. 288 289 With this change, nslookup(1) and dig(1) are no longer in the base 290 system. Users should instead use host(1) and drill(1) which are 291 in the base system. Alternatively, nslookup and dig can 292 be obtained by installing the dns/bind-tools port. 293 29420130916: 295 With the addition of unbound(8), a new unbound user is now 296 required during installworld. "mergemaster -p" can be used to 297 add the user prior to installworld, as documented in the handbook. 298 29920130911: 300 OpenSSH is now built with DNSSEC support, and will by default 301 silently trust signed SSHFP records. This can be controlled with 302 the VerifyHostKeyDNS client configuration setting. DNSSEC support 303 can be disabled entirely with the WITHOUT_LDNS option in src.conf. 304 30520130906: 306 The GNU Compiler Collection and C++ standard library (libstdc++) 307 are no longer built by default on platforms where clang is the system 308 compiler. You can enable them with the WITH_GCC and WITH_GNUCXX 309 options in src.conf. 310 31120130905: 312 The PROCDESC kernel option is now part of the GENERIC kernel 313 configuration and is required for the rwhod(8) to work. 314 If you are using custom kernel configuration, you should include 315 'options PROCDESC'. 316 31720130905: 318 The API and ABI related to the Capsicum framework was modified 319 in backward incompatible way. The userland libraries and programs 320 have to be recompiled to work with the new kernel. This includes the 321 following libraries and programs, but the whole buildworld is 322 advised: libc, libprocstat, dhclient, tcpdump, hastd, hastctl, 323 kdump, procstat, rwho, rwhod, uniq. 324 32520130903: 326 AES-NI intrinsic support has been added to gcc. The AES-NI module 327 has been updated to use this support. A new gcc is required to build 328 the aesni module on both i386 and amd64. 329 33020130821: 331 The PADLOCK_RNG and RDRAND_RNG kernel options are now devices. 332 Thus "device padlock_rng" and "device rdrand_rng" should be 333 used instead of "options PADLOCK_RNG" & "options RDRAND_RNG". 334 33520130813: 336 WITH_ICONV has been split into two feature sets. WITH_ICONV now 337 enables just the iconv* functionality and is now on by default. 338 WITH_LIBICONV_COMPAT enables the libiconv api and link time 339 compatability. Set WITHOUT_ICONV to build the old way. 340 If you have been using WITH_ICONV before, you will very likely 341 need to turn on WITH_LIBICONV_COMPAT. 342 34320130806: 344 INVARIANTS option now enables DEBUG for code with OpenSolaris and 345 Illumos origin, including ZFS. If you have INVARIANTS in your 346 kernel configuration, then there is no need to set DEBUG or ZFS_DEBUG 347 explicitly. 348 DEBUG used to enable witness(9) tracking of OpenSolaris (mostly ZFS) 349 locks if WITNESS option was set. Because that generated a lot of 350 witness(9) reports and all of them were believed to be false 351 positives, this is no longer done. New option OPENSOLARIS_WITNESS 352 can be used to achieve the previous behavior. 353 35420130806: 355 Timer values in IPv6 data structures now use time_uptime instead 356 of time_second. Although this is not a user-visible functional 357 change, userland utilities which directly use them---ndp(8), 358 rtadvd(8), and rtsold(8) in the base system---need to be updated 359 to r253970 or later. 360 36120130802: 362 find -delete can now delete the pathnames given as arguments, 363 instead of only files found below them or if the pathname did 364 not contain any slashes. Formerly, the following error message 365 would result: 366 367 find: -delete: <path>: relative path potentially not safe 368 369 Deleting the pathnames given as arguments can be prevented 370 without error messages using -mindepth 1 or by changing 371 directory and passing "." as argument to find. This works in the 372 old as well as the new version of find. 373 37420130726: 375 Behavior of devfs rules path matching has been changed. 376 Pattern is now always matched against fully qualified devfs 377 path and slash characters must be explicitly matched by 378 slashes in pattern (FNM_PATHNAME). Rulesets involving devfs 379 subdirectories must be reviewed. 380 38120130716: 382 The default ARM ABI has changed to the ARM EABI. The old ABI is 383 incompatible with the ARM EABI and all programs and modules will 384 need to be rebuilt to work with a new kernel. 385 386 To keep using the old ABI ensure the WITHOUT_ARM_EABI knob is set. 387 388 NOTE: Support for the old ABI will be removed in the future and 389 users are advised to upgrade. 390 39120130709: 392 pkg_install has been disconnected from the build if you really need it 393 you should add WITH_PKGTOOLS in your src.conf(5). 394 39520130709: 396 Most of network statistics structures were changed to be able 397 keep 64-bits counters. Thus all tools, that work with networking 398 statistics, must be rebuilt (netstat(1), bsnmpd(1), etc.) 399 40020130629: 401 Fix targets that run multiple make's to use && rather than ; 402 so that subsequent steps depend on success of previous. 403 404 NOTE: if building 'universe' with -j* on stable/8 or stable/9 405 it would be better to start the build using bmake, to avoid 406 overloading the machine. 407 40820130618: 409 Fix a bug that allowed a tracing process (e.g. gdb) to write 410 to a memory-mapped file in the traced process's address space 411 even if neither the traced process nor the tracing process had 412 write access to that file. 413 41420130615: 415 CVS has been removed from the base system. An exact copy 416 of the code is available from the devel/cvs port. 417 41820130613: 419 Some people report the following error after the switch to bmake: 420 421 make: illegal option -- J 422 usage: make [-BPSXeiknpqrstv] [-C directory] [-D variable] 423 ... 424 *** [buildworld] Error code 2 425 426 this likely due to an old instance of make in 427 ${MAKEPATH} (${MAKEOBJDIRPREFIX}${.CURDIR}/make.${MACHINE}) 428 which src/Makefile will use that blindly, if it exists, so if 429 you see the above error: 430 431 rm -rf `make -V MAKEPATH` 432 433 should resolve it. 434 43520130516: 436 Use bmake by default. 437 Whereas before one could choose to build with bmake via 438 -DWITH_BMAKE one must now use -DWITHOUT_BMAKE to use the old 439 make. The goal is to remove these knobs for 10-RELEASE. 440 441 It is worth noting that bmake (like gmake) treats the command 442 line as the unit of failure, rather than statements within the 443 command line. Thus '(cd some/where && dosomething)' is safer 444 than 'cd some/where; dosomething'. The '()' allows consistent 445 behavior in parallel build. 446 44720130429: 448 Fix a bug that allows NFS clients to issue READDIR on files. 449 45020130426: 451 The WITHOUT_IDEA option has been removed because 452 the IDEA patent expired. 453 45420130426: 455 The sysctl which controls TRIM support under ZFS has been renamed 456 from vfs.zfs.trim_disable -> vfs.zfs.trim.enabled and has been 457 enabled by default. 458 45920130425: 460 The mergemaster command now uses the default MAKEOBJDIRPREFIX 461 rather than creating it's own in the temporary directory in 462 order allow access to bootstrapped versions of tools such as 463 install and mtree. When upgrading from version of FreeBSD where 464 the install command does not support -l, you will need to 465 install a new mergemaster command if mergemaster -p is required. 466 This can be accomplished with the command (cd src/usr.sbin/mergemaster 467 && make install). 468 46920130404: 470 Legacy ATA stack, disabled and replaced by new CAM-based one since 471 FreeBSD 9.0, completely removed from the sources. Kernel modules 472 atadisk and atapi*, user-level tools atacontrol and burncd are 473 removed. Kernel option `options ATA_CAM` is now permanently enabled 474 and removed. 475 47620130319: 477 SOCK_CLOEXEC and SOCK_NONBLOCK flags have been added to socket(2) 478 and socketpair(2). Software, in particular Kerberos, may 479 automatically detect and use these during building. The resulting 480 binaries will not work on older kernels. 481 48220130308: 483 CTL_DISABLE has also been added to the sparc64 GENERIC (for further 484 information, see the respective 20130304 entry). 485 48620130304: 487 Recent commits to callout(9) changed the size of struct callout, 488 so the KBI is probably heavily disturbed. Also, some functions 489 in callout(9)/sleep(9)/sleepqueue(9)/condvar(9) KPIs were replaced 490 by macros. Every kernel module using it won't load, so rebuild 491 is requested. 492 493 The ctl device has been re-enabled in GENERIC for i386 and amd64, 494 but does not initialize by default (because of the new CTL_DISABLE 495 option) to save memory. To re-enable it, remove the CTL_DISABLE 496 option from the kernel config file or set kern.cam.ctl.disable=0 497 in /boot/loader.conf. 498 49920130301: 500 The ctl device has been disabled in GENERIC for i386 and amd64. 501 This was done due to the extra memory being allocated at system 502 initialisation time by the ctl driver which was only used if 503 a CAM target device was created. This makes a FreeBSD system 504 unusable on 128MB or less of RAM. 505 50620130208: 507 A new compression method (lz4) has been merged to -HEAD. Please 508 refer to zpool-features(7) for more information. 509 510 Please refer to the "ZFS notes" section of this file for information 511 on upgrading boot ZFS pools. 512 51320130129: 514 A BSD-licensed patch(1) variant has been added and is installed 515 as bsdpatch, being the GNU version the default patch. 516 To inverse the logic and use the BSD-licensed one as default, 517 while having the GNU version installed as gnupatch, rebuild 518 and install world with the WITH_BSD_PATCH knob set. 519 52020130121: 521 Due to the use of the new -l option to install(1) during build 522 and install, you must take care not to directly set the INSTALL 523 make variable in your /etc/make.conf, /etc/src.conf, or on the 524 command line. If you wish to use the -C flag for all installs 525 you may be able to add INSTALL+=-C to /etc/make.conf or 526 /etc/src.conf. 527 52820130118: 529 The install(1) option -M has changed meaning and now takes an 530 argument that is a file or path to append logs to. In the 531 unlikely event that -M was the last option on the command line 532 and the command line contained at least two files and a target 533 directory the first file will have logs appended to it. The -M 534 option served little practical purpose in the last decade so its 535 use is expected to be extremely rare. 536 53720121223: 538 After switching to Clang as the default compiler some users of ZFS 539 on i386 systems started to experience stack overflow kernel panics. 540 Please consider using 'options KSTACK_PAGES=4' in such configurations. 541 54220121222: 543 GEOM_LABEL now mangles label names read from file system metadata. 544 Mangling affect labels containing spaces, non-printable characters, 545 '%' or '"'. Device names in /etc/fstab and other places may need to 546 be updated. 547 54820121217: 549 By default, only the 10 most recent kernel dumps will be saved. To 550 restore the previous behaviour (no limit on the number of kernel dumps 551 stored in the dump directory) add the following line to /etc/rc.conf: 552 553 savecore_flags="" 554 55520121201: 556 With the addition of auditdistd(8), a new auditdistd user is now 557 required during installworld. "mergemaster -p" can be used to 558 add the user prior to installworld, as documented in the handbook. 559 56020121117: 561 The sin6_scope_id member variable in struct sockaddr_in6 is now 562 filled by the kernel before passing the structure to the userland via 563 sysctl or routing socket. This means the KAME-specific embedded scope 564 id in sin6_addr.s6_addr[2] is always cleared in userland application. 565 This behavior can be controlled by net.inet6.ip6.deembed_scopeid. 566 __FreeBSD_version is bumped to 1000025. 567 56820121105: 569 On i386 and amd64 systems WITH_CLANG_IS_CC is now the default. 570 This means that the world and kernel will be compiled with clang 571 and that clang will be installed as /usr/bin/cc, /usr/bin/c++, 572 and /usr/bin/cpp. To disable this behavior and revert to building 573 with gcc, compile with WITHOUT_CLANG_IS_CC. Really old versions 574 of current may need to bootstrap WITHOUT_CLANG first if the clang 575 build fails (its compatibility window doesn't extend to the 9 stable 576 branch point). 577 57820121102: 579 The IPFIREWALL_FORWARD kernel option has been removed. Its 580 functionality now turned on by default. 581 58220121023: 583 The ZERO_COPY_SOCKET kernel option has been removed and 584 split into SOCKET_SEND_COW and SOCKET_RECV_PFLIP. 585 NB: SOCKET_SEND_COW uses the VM page based copy-on-write 586 mechanism which is not safe and may result in kernel crashes. 587 NB: The SOCKET_RECV_PFLIP mechanism is useless as no current 588 driver supports disposeable external page sized mbuf storage. 589 Proper replacements for both zero-copy mechanisms are under 590 consideration and will eventually lead to complete removal 591 of the two kernel options. 592 59320121023: 594 The IPv4 network stack has been converted to network byte 595 order. The following modules need to be recompiled together 596 with kernel: carp(4), divert(4), gif(4), siftr(4), gre(4), 597 pf(4), ipfw(4), ng_ipfw(4), stf(4). 598 59920121022: 600 Support for non-MPSAFE filesystems was removed from VFS. The 601 VFS_VERSION was bumped, all filesystem modules shall be 602 recompiled. 603 60420121018: 605 All the non-MPSAFE filesystems have been disconnected from 606 the build. The full list includes: codafs, hpfs, ntfs, nwfs, 607 portalfs, smbfs, xfs. 608 60920121016: 610 The interface cloning API and ABI has changed. The following 611 modules need to be recompiled together with kernel: 612 ipfw(4), pfsync(4), pflog(4), usb(4), wlan(4), stf(4), 613 vlan(4), disc(4), edsc(4), if_bridge(4), gif(4), tap(4), 614 faith(4), epair(4), enc(4), tun(4), if_lagg(4), gre(4). 615 61620121015: 617 The sdhci driver was split in two parts: sdhci (generic SD Host 618 Controller logic) and sdhci_pci (actual hardware driver). 619 No kernel config modifications are required, but if you 620 load sdhc as a module you must switch to sdhci_pci instead. 621 62220121014: 623 Import the FUSE kernel and userland support into base system. 624 62520121013: 626 The GNU sort(1) program has been removed since the BSD-licensed 627 sort(1) has been the default for quite some time and no serious 628 problems have been reported. The corresponding WITH_GNU_SORT 629 knob has also gone. 630 63120121006: 632 The pfil(9) API/ABI for AF_INET family has been changed. Packet 633 filtering modules: pf(4), ipfw(4), ipfilter(4) need to be recompiled 634 with new kernel. 635 63620121001: 637 The net80211(4) ABI has been changed to allow for improved driver 638 PS-POLL and power-save support. All wireless drivers need to be 639 recompiled to work with the new kernel. 640 64120120913: 642 The random(4) support for the VIA hardware random number 643 generator (`PADLOCK') is no longer enabled unconditionally. 644 Add the padlock_rng device in the custom kernel config if 645 needed. The GENERIC kernels on i386 and amd64 do include the 646 device, so the change only affects the custom kernel 647 configurations. 648 64920120908: 650 The pf(4) packet filter ABI has been changed. pfctl(8) and 651 snmp_pf module need to be recompiled to work with new kernel. 652 65320120828: 654 A new ZFS feature flag "com.delphix:empty_bpobj" has been merged 655 to -HEAD. Pools that have empty_bpobj in active state can not be 656 imported read-write with ZFS implementations that do not support 657 this feature. For more information read the zpool-features(5) 658 manual page. 659 66020120727: 661 The sparc64 ZFS loader has been changed to no longer try to auto- 662 detect ZFS providers based on diskN aliases but now requires these 663 to be explicitly listed in the OFW boot-device environment variable. 664 66520120712: 666 The OpenSSL has been upgraded to 1.0.1c. Any binaries requiring 667 libcrypto.so.6 or libssl.so.6 must be recompiled. Also, there are 668 configuration changes. Make sure to merge /etc/ssl/openssl.cnf. 669 67020120712: 671 The following sysctls and tunables have been renamed for consistency 672 with other variables: 673 kern.cam.da.da_send_ordered -> kern.cam.da.send_ordered 674 kern.cam.ada.ada_send_ordered -> kern.cam.ada.send_ordered 675 67620120628: 677 The sort utility has been replaced with BSD sort. For now, GNU sort 678 is also available as "gnusort" or the default can be set back to 679 GNU sort by setting WITH_GNU_SORT. In this case, BSD sort will be 680 installed as "bsdsort". 681 68220120611: 683 A new version of ZFS (pool version 5000) has been merged to -HEAD. 684 Starting with this version the old system of ZFS pool versioning 685 is superseded by "feature flags". This concept enables forward 686 compatibility against certain future changes in functionality of ZFS 687 pools. The first read-only compatible "feature flag" for ZFS pools 688 is named "com.delphix:async_destroy". For more information 689 read the new zpool-features(5) manual page. 690 Please refer to the "ZFS notes" section of this file for information 691 on upgrading boot ZFS pools. 692 69320120417: 694 The malloc(3) implementation embedded in libc now uses sources imported 695 as contrib/jemalloc. The most disruptive API change is to 696 /etc/malloc.conf. If your system has an old-style /etc/malloc.conf, 697 delete it prior to installworld, and optionally re-create it using the 698 new format after rebooting. See malloc.conf(5) for details 699 (specifically the TUNING section and the "opt.*" entries in the MALLCTL 700 NAMESPACE section). 701 70220120328: 703 Big-endian MIPS TARGET_ARCH values no longer end in "eb". mips64eb 704 is now spelled mips64. mipsn32eb is now spelled mipsn32. mipseb is 705 now spelled mips. This is to aid compatibility with third-party 706 software that expects this naming scheme in uname(3). Little-endian 707 settings are unchanged. If you are updating a big-endian mips64 machine 708 from before this change, you may need to set MACHINE_ARCH=mips64 in 709 your environment before the new build system will recognize your machine. 710 71120120306: 712 Disable by default the option VFS_ALLOW_NONMPSAFE for all supported 713 platforms. 714 71520120229: 716 Now unix domain sockets behave "as expected" on nullfs(5). Previously 717 nullfs(5) did not pass through all behaviours to the underlying layer, 718 as a result if we bound to a socket on the lower layer we could connect 719 only to the lower path; if we bound to the upper layer we could connect 720 only to the upper path. The new behavior is one can connect to both the 721 lower and the upper paths regardless what layer path one binds to. 722 72320120211: 724 The getifaddrs upgrade path broken with 20111215 has been restored. 725 If you have upgraded in between 20111215 and 20120209 you need to 726 recompile libc again with your kernel. You still need to recompile 727 world to be able to configure CARP but this restriction already 728 comes from 20111215. 729 73020120114: 731 The set_rcvar() function has been removed from /etc/rc.subr. All 732 base and ports rc.d scripts have been updated, so if you have a 733 port installed with a script in /usr/local/etc/rc.d you can either 734 hand-edit the rcvar= line, or reinstall the port. 735 736 An easy way to handle the mass-update of /etc/rc.d: 737 rm /etc/rc.d/* && mergemaster -i 738 73920120109: 740 panic(9) now stops other CPUs in the SMP systems, disables interrupts 741 on the current CPU and prevents other threads from running. 742 This behavior can be reverted using the kern.stop_scheduler_on_panic 743 tunable/sysctl. 744 The new behavior can be incompatible with kern.sync_on_panic. 745 74620111215: 747 The carp(4) facility has been changed significantly. Configuration 748 of the CARP protocol via ifconfig(8) has changed, as well as format 749 of CARP events submitted to devd(8) has changed. See manual pages 750 for more information. The arpbalance feature of carp(4) is currently 751 not supported anymore. 752 753 Size of struct in_aliasreq, struct in6_aliasreq has changed. User 754 utilities using SIOCAIFADDR, SIOCAIFADDR_IN6, e.g. ifconfig(8), 755 need to be recompiled. 756 75720111122: 758 The acpi_wmi(4) status device /dev/wmistat has been renamed to 759 /dev/wmistat0. 760 76120111108: 762 The option VFS_ALLOW_NONMPSAFE option has been added in order to 763 explicitely support non-MPSAFE filesystems. 764 It is on by default for all supported platform at this present 765 time. 766 76720111101: 768 The broken amd(4) driver has been replaced with esp(4) in the amd64, 769 i386 and pc98 GENERIC kernel configuration files. 770 77120110930: 772 sysinstall has been removed 773 77420110923: 775 The stable/9 branch created in subversion. This corresponds to the 776 RELENG_9 branch in CVS. 777 77820110913: 779 This commit modifies vfs_register() so that it uses a hash 780 calculation to set vfc_typenum, which is enabled by default. 781 The first time a system is booted after this change, the 782 vfc_typenum values will change for all file systems. The 783 main effect of this is a change to the NFS server file handles 784 for file systems that use vfc_typenum in their fsid, such as ZFS. 785 It will, however, prevent vfc_typenum from changing when file 786 systems are loaded in a different order for subsequent reboots. 787 To disable this, you can set vfs.typenumhash=0 in /boot/loader.conf 788 until you are ready to remount all NFS clients after a reboot. 789 79020110828: 791 Bump the shared library version numbers for libraries that 792 do not use symbol versioning, have changed the ABI compared 793 to stable/8 and which shared library version was not bumped. 794 Done as part of 9.0-RELEASE cycle. 795 79620110815: 797 During the merge of Capsicum features, the fget(9) KPI was modified. 798 This may require the rebuilding of out-of-tree device drivers -- 799 issues have been reported specifically with the nVidia device driver. 800 __FreeBSD_version is bumped to 900041. 801 802 Also, there is a period between 20110811 and 20110814 where the 803 special devices /dev/{stdin,stdout,stderr} did not work correctly. 804 Building world from a kernel during that window may not work. 805 80620110628: 807 The packet filter (pf) code has been updated to OpenBSD 4.5. 808 You need to update userland tools to be in sync with kernel. 809 This update breaks backward compatibility with earlier pfsync(4) 810 versions. Care must be taken when updating redundant firewall setups. 811 81220110608: 813 The following sysctls and tunables are retired on x86 platforms: 814 machdep.hlt_cpus 815 machdep.hlt_logical_cpus 816 The following sysctl is retired: 817 machdep.hyperthreading_allowed 818 The sysctls were supposed to provide a way to dynamically offline and 819 online selected CPUs on x86 platforms, but the implementation has not 820 been reliable especially with SCHED_ULE scheduler. 821 machdep.hyperthreading_allowed tunable is still available to ignore 822 hyperthreading CPUs at OS level. 823 Individual CPUs can be disabled using hint.lapic.X.disabled tunable, 824 where X is an APIC ID of a CPU. Be advised, though, that disabling 825 CPUs in non-uniform fashion will result in non-uniform topology and 826 may lead to sub-optimal system performance with SCHED_ULE, which is 827 a default scheduler. 828 82920110607: 830 cpumask_t type is retired and cpuset_t is used in order to describe 831 a mask of CPUs. 832 83320110531: 834 Changes to ifconfig(8) for dynamic address family detection mandate 835 that you are running a kernel of 20110525 or later. Make sure to 836 follow the update procedure to boot a new kernel before installing 837 world. 838 83920110513: 840 Support for sun4v architecture is officially dropped 841 84220110503: 843 Several KPI breaking changes have been committed to the mii(4) layer, 844 the PHY drivers and consequently some Ethernet drivers using mii(4). 845 This means that miibus.ko and the modules of the affected Ethernet 846 drivers need to be recompiled. 847 848 Note to kernel developers: Given that the OUI bit reversion problem 849 was fixed as part of these changes all mii(4) commits related to OUIs, 850 i.e. to sys/dev/mii/miidevs, PHY driver probing and vendor specific 851 handling, no longer can be merged verbatim to stable/8 and previous 852 branches. 853 85420110430: 855 Users of the Atheros AR71xx SoC code now need to add 'device ar71xx_pci' 856 into their kernel configurations along with 'device pci'. 857 85820110427: 859 The default NFS client is now the new NFS client, so fstype "newnfs" 860 is now "nfs" and the regular/old NFS client is now fstype "oldnfs". 861 Although mounts via fstype "nfs" will usually work without userland 862 changes, it is recommended that the mount(8) and mount_nfs(8) 863 commands be rebuilt from sources and that a link to mount_nfs called 864 mount_oldnfs be created. The new client is compiled into the 865 kernel with "options NFSCL" and this is needed for diskless root 866 file systems. The GENERIC kernel configs have been changed to use 867 NFSCL and NFSD (the new server) instead of NFSCLIENT and NFSSERVER. 868 To use the regular/old client, you can "mount -t oldnfs ...". For 869 a diskless root file system, you must also include a line like: 870 871 vfs.root.mountfrom="oldnfs:" 872 873 in the boot/loader.conf on the root fs on the NFS server to make 874 a diskless root fs use the old client. 875 87620110424: 877 The GENERIC kernels for all architectures now default to the new 878 CAM-based ATA stack. It means that all legacy ATA drivers were 879 removed and replaced by respective CAM drivers. If you are using 880 ATA device names in /etc/fstab or other places, make sure to update 881 them respectively (adX -> adaY, acdX -> cdY, afdX -> daY, astX -> saY, 882 where 'Y's are the sequential numbers starting from zero for each type 883 in order of detection, unless configured otherwise with tunables, 884 see cam(4)). There will be symbolic links created in /dev/ to map 885 old adX devices to the respective adaY. They should provide basic 886 compatibility for file systems mounting in most cases, but they do 887 not support old user-level APIs and do not have respective providers 888 in GEOM. Consider using updated management tools with new device names. 889 890 It is possible to load devices ahci, ata, siis and mvs as modules, 891 but option ATA_CAM should remain in kernel configuration to make ata 892 module work as CAM driver supporting legacy ATA controllers. Device ata 893 still can be used in modular fashion (atacore + ...). Modules atadisk 894 and atapi* are not used and won't affect operation in ATA_CAM mode. 895 Note that to use CAM-based ATA kernel should include CAM devices 896 scbus, pass, da (or explicitly ada), cd and optionally others. All of 897 them are parts of the cam module. 898 899 ataraid(4) functionality is now supported by the RAID GEOM class. 900 To use it you can load geom_raid kernel module and use graid(8) tool 901 for management. Instead of /dev/arX device names, use /dev/raid/rX. 902 903 No kernel config options or code have been removed, so if a problem 904 arises, please report it and optionally revert to the old ATA stack. 905 In order to do it you can remove from the kernel config: 906 options ATA_CAM 907 device ahci 908 device mvs 909 device siis 910 , and instead add back: 911 device atadisk # ATA disk drives 912 device ataraid # ATA RAID drives 913 device atapicd # ATAPI CDROM drives 914 device atapifd # ATAPI floppy drives 915 device atapist # ATAPI tape drives 916 91720110423: 918 The default NFS server has been changed to the new server, which 919 was referred to as the experimental server. If you need to switch 920 back to the old NFS server, you must now put the "-o" option on 921 both the mountd and nfsd commands. This can be done using the 922 mountd_flags and nfs_server_flags rc.conf variables until an 923 update to the rc scripts is committed, which is coming soon. 924 92520110418: 926 The GNU Objective-C runtime library (libobjc), and other Objective-C 927 related components have been removed from the base system. If you 928 require an Objective-C library, please use one of the available ports. 929 93020110331: 931 ath(4) has been split into bus- and device- modules. if_ath contains 932 the HAL, the TX rate control and the network device code. if_ath_pci 933 contains the PCI bus glue. For Atheros MIPS embedded systems, if_ath_ahb 934 contains the AHB glue. Users need to load both if_ath_pci and if_ath 935 in order to use ath on everything else. 936 937 TO REPEAT: if_ath_ahb is not needed for normal users. Normal users only 938 need to load if_ath and if_ath_pci for ath(4) operation. 939 94020110314: 941 As part of the replacement of sysinstall, the process of building 942 release media has changed significantly. For details, please re-read 943 release(7), which has been updated to reflect the new build process. 944 94520110218: 946 GNU binutils 2.17.50 (as of 2007-07-03) has been merged to -HEAD. This 947 is the last available version under GPLv2. It brings a number of new 948 features, such as support for newer x86 CPU's (with SSE-3, SSSE-3, SSE 949 4.1 and SSE 4.2), better support for powerpc64, a number of new 950 directives, and lots of other small improvements. See the ChangeLog 951 file in contrib/binutils for the full details. 952 95320110218: 954 IPsec's HMAC_SHA256-512 support has been fixed to be RFC4868 955 compliant, and will now use half of hash for authentication. 956 This will break interoperability with all stacks (including all 957 actual FreeBSD versions) who implement 958 draft-ietf-ipsec-ciph-sha-256-00 (they use 96 bits of hash for 959 authentication). 960 The only workaround with such peers is to use another HMAC 961 algorithm for IPsec ("phase 2") authentication. 962 96320110207: 964 Remove the uio_yield prototype and symbol. This function has 965 been misnamed since it was introduced and should not be 966 globally exposed with this name. The equivalent functionality 967 is now available using kern_yield(curthread->td_user_pri). 968 The function remains undocumented. 969 97020110112: 971 A SYSCTL_[ADD_]UQUAD was added for unsigned uint64_t pointers, 972 symmetric with the existing SYSCTL_[ADD_]QUAD. Type checking 973 for scalar sysctls is defined but disabled. Code that needs 974 UQUAD to pass the type checking that must compile on older 975 systems where the define is not present can check against 976 __FreeBSD_version >= 900030. 977 978 The system dialog(1) has been replaced with a new version previously 979 in ports as devel/cdialog. dialog(1) is mostly command-line compatible 980 with the previous version, but the libdialog associated with it has 981 a largely incompatible API. As such, the original version of libdialog 982 will be kept temporarily as libodialog, until its base system consumers 983 are replaced or updated. Bump __FreeBSD_version to 900030. 984 98520110103: 986 If you are trying to run make universe on a -stable system, and you get 987 the following warning: 988 "Makefile", line 356: "Target architecture for i386/conf/GENERIC 989 unknown. config(8) likely too old." 990 or something similar to it, then you must upgrade your -stable system 991 to 8.2-Release or newer (really, any time after r210146 7/15/2010 in 992 stable/8) or build the config from the latest stable/8 branch and 993 install it on your system. 994 995 Prior to this date, building a current universe on 8-stable system from 996 between 7/15/2010 and 1/2/2011 would result in a weird shell parsing 997 error in the first kernel build phase. A new config on those old 998 systems will fix that problem for older versions of -current. 999 100020101228: 1001 The TCP stack has been modified to allow Khelp modules to interact with 1002 it via helper hook points and store per-connection data in the TCP 1003 control block. Bump __FreeBSD_version to 900029. User space tools that 1004 rely on the size of struct tcpcb in tcp_var.h (e.g. sockstat) need to 1005 be recompiled. 1006 100720101114: 1008 Generic IEEE 802.3 annex 31B full duplex flow control support has been 1009 added to mii(4) and bge(4), bce(4), msk(4), nfe(4) and stge(4) along 1010 with brgphy(4), e1000phy(4) as well as ip1000phy() have been converted 1011 to take advantage of it instead of using custom implementations. This 1012 means that these drivers now no longer unconditionally advertise 1013 support for flow control but only do so if flow control is a selected 1014 media option. This was implemented in the generic support that way in 1015 order to allow flow control to be switched on and off via ifconfig(8) 1016 with the PHY specific default to typically off in order to protect 1017 from unwanted effects. Consequently, if you used flow control with 1018 one of the above mentioned drivers you now need to explicitly enable 1019 it, for example via: 1020 ifconfig bge0 media auto mediaopt flowcontrol 1021 1022 Along with the above mentioned changes generic support for setting 1023 1000baseT master mode also has been added and brgphy(4), ciphy(4), 1024 e1000phy(4) as well as ip1000phy(4) have been converted to take 1025 advantage of it. This means that these drivers now no longer take the 1026 link0 parameter for selecting master mode but the master media option 1027 has to be used instead, for example like in the following: 1028 ifconfig bge0 media 1000baseT mediaopt full-duplex,master 1029 1030 Selection of master mode now is also available with all other PHY 1031 drivers supporting 1000baseT. 1032 103320101111: 1034 The TCP stack has received a significant update to add support for 1035 modularised congestion control and generally improve the clarity of 1036 congestion control decisions. Bump __FreeBSD_version to 900025. User 1037 space tools that rely on the size of struct tcpcb in tcp_var.h (e.g. 1038 sockstat) need to be recompiled. 1039 104020101002: 1041 The man(1) utility has been replaced by a new version that no longer 1042 uses /etc/manpath.config. Please consult man.conf(5) for how to 1043 migrate local entries to the new format. 1044 104520100928: 1046 The copyright strings printed by login(1) and sshd(8) at the time of a 1047 new connection have been removed to follow other operating systems and 1048 upstream sshd. 1049 105020100915: 1051 A workaround for a fixed ld bug has been removed in kernel code, 1052 so make sure that your system ld is built from sources after 1053 revision 210245 from 2010-07-19 (r211583 if building head kernel 1054 on stable/8, r211584 for stable/7; both from 2010-08-21). 1055 A symptom of incorrect ld version is different addresses for 1056 set_pcpu section and __start_set_pcpu symbol in kernel and/or modules. 1057 105820100913: 1059 The $ipv6_prefer variable in rc.conf(5) has been split into 1060 $ip6addrctl_policy and $ipv6_activate_all_interfaces. 1061 1062 The $ip6addrctl_policy is a variable to choose a pre-defined 1063 address selection policy set by ip6addrctl(8). A value 1064 "ipv4_prefer", "ipv6_prefer" or "AUTO" can be specified. The 1065 default is "AUTO". 1066 1067 The $ipv6_activate_all_interfaces specifies whether IFDISABLED 1068 flag (see an entry of 20090926) is set on an interface with no 1069 corresponding $ifconfig_IF_ipv6 line. The default is "NO" for 1070 security reason. If you want IPv6 link-local address on all 1071 interfaces by default, set this to "YES". 1072 1073 The old ipv6_prefer="YES" is equivalent to 1074 ipv6_activate_all_interfaces="YES" and 1075 ip6addrctl_policy="ipv6_prefer". 1076 107720100913: 1078 DTrace has grown support for userland tracing. Due to this, DTrace is 1079 now i386 and amd64 only. 1080 dtruss(1) is now installed by default on those systems and a new 1081 kernel module is needed for userland tracing: fasttrap. 1082 No changes to your kernel config file are necessary to enable 1083 userland tracing, but you might consider adding 'STRIP=' and 1084 'CFLAGS+=-fno-omit-frame-pointer' to your make.conf if you want 1085 to have informative userland stack traces in DTrace (ustack). 1086 108720100725: 1088 The acpi_aiboost(4) driver has been removed in favor of the new 1089 aibs(4) driver. You should update your kernel configuration file. 1090 109120100722: 1092 BSD grep has been imported to the base system and it is built by 1093 default. It is completely BSD licensed, highly GNU-compatible, uses 1094 less memory than its GNU counterpart and has a small codebase. 1095 However, it is slower than its GNU counterpart, which is mostly 1096 noticeable for larger searches, for smaller ones it is measurable 1097 but not significant. The reason is complex, the most important factor 1098 is that we lack a modern and efficient regex library and GNU 1099 overcomes this by optimizing the searches internally. Future work 1100 on improving the regex performance is planned, for the meantime, 1101 users that need better performance, can build GNU grep instead by 1102 setting the WITH_GNU_GREP knob. 1103 110420100713: 1105 Due to the import of powerpc64 support, all existing powerpc kernel 1106 configuration files must be updated with a machine directive like this: 1107 machine powerpc powerpc 1108 1109 In addition, an updated config(8) is required to build powerpc kernels 1110 after this change. 1111 111220100713: 1113 A new version of ZFS (version 15) has been merged to -HEAD. 1114 This version uses a python library for the following subcommands: 1115 zfs allow, zfs unallow, zfs groupspace, zfs userspace. 1116 For full functionality of these commands the following port must 1117 be installed: sysutils/py-zfs 1118 111920100429: 1120 'vm_page's are now hashed by physical address to an array of mutexes. 1121 Currently this is only used to serialize access to hold_count. Over 1122 time the page queue mutex will be peeled away. This changes the size 1123 of pmap on every architecture. And requires all callers of vm_page_hold 1124 and vm_page_unhold to be updated. 1125 112620100402: 1127 WITH_CTF can now be specified in src.conf (not recommended, there 1128 are some problems with static executables), make.conf (would also 1129 affect ports which do not use GNU make and do not override the 1130 compile targets) or in the kernel config (via "makeoptions 1131 WITH_CTF=yes"). 1132 When WITH_CTF was specified there before this was silently ignored, 1133 so make sure that WITH_CTF is not used in places which could lead 1134 to unwanted behavior. 1135 113620100311: 1137 The kernel option COMPAT_IA32 has been replaced with COMPAT_FREEBSD32 1138 to allow 32-bit compatibility on non-x86 platforms. All kernel 1139 configurations on amd64 and ia64 platforms using these options must 1140 be modified accordingly. 1141 114220100113: 1143 The utmp user accounting database has been replaced with utmpx, 1144 the user accounting interface standardized by POSIX. 1145 Unfortunately the semantics of utmp and utmpx don't match, 1146 making it practically impossible to support both interfaces. 1147 The user accounting database is used by tools like finger(1), 1148 last(1), talk(1), w(1) and ac(8). 1149 1150 All applications in the base system use utmpx. This means only 1151 local binaries (e.g. from the ports tree) may still use these 1152 utmp database files. These applications must be rebuilt to make 1153 use of utmpx. 1154 1155 After the system has been upgraded, it is safe to remove the old 1156 log files (/var/run/utmp, /var/log/lastlog and /var/log/wtmp*), 1157 assuming their contents is of no importance anymore. Old wtmp 1158 databases can only be used by last(1) and ac(8) after they have 1159 been converted to the new format using wtmpcvt(1). 1160 116120100108: 1162 Introduce the kernel thread "deadlock resolver" (which can be enabled 1163 via the DEADLKRES option, see NOTES for more details) and the 1164 sleepq_type() function for sleepqueues. 1165 116620091202: 1167 The rc.firewall and rc.firewall6 were unified, and 1168 rc.firewall6 and rc.d/ip6fw were removed. 1169 According to the removal of rc.d/ip6fw, ipv6_firewall_* rc 1170 variables are obsoleted. Instead, the following new rc 1171 variables are added to rc.d/ipfw: 1172 1173 firewall_client_net_ipv6, firewall_simple_iif_ipv6, 1174 firewall_simple_inet_ipv6, firewall_simple_oif_ipv6, 1175 firewall_simple_onet_ipv6, firewall_trusted_ipv6 1176 1177 The meanings correspond to the relevant IPv4 variables. 1178 117920091125: 1180 8.0-RELEASE. 1181 118220091113: 1183 The default terminal emulation for syscons(4) has been changed 1184 from cons25 to xterm on all platforms except pc98. This means 1185 that the /etc/ttys file needs to be updated to ensure correct 1186 operation of applications on the console. 1187 1188 The terminal emulation style can be toggled per window by using 1189 vidcontrol(1)'s -T flag. The TEKEN_CONS25 kernel configuration 1190 options can be used to change the compile-time default back to 1191 cons25. 1192 1193 To prevent graphical artifacts, make sure the TERM environment 1194 variable is set to match the terminal emulation that is being 1195 performed by syscons(4). 1196 119720091109: 1198 The layout of the structure ieee80211req_scan_result has changed. 1199 Applications that require wireless scan results (e.g. ifconfig(8)) 1200 from net80211 need to be recompiled. 1201 1202 Applications such as wpa_supplicant(8) may require a full world 1203 build without using NO_CLEAN in order to get synchronized with the 1204 new structure. 1205 120620091025: 1207 The iwn(4) driver has been updated to support the 5000 and 5150 series. 1208 There's one kernel module for each firmware. Adding "device iwnfw" 1209 to the kernel configuration file means including all three firmware 1210 images inside the kernel. If you want to include just the one for 1211 your wireless card, use the devices iwn4965fw, iwn5000fw or 1212 iwn5150fw. 1213 121420090926: 1215 The rc.d/network_ipv6, IPv6 configuration script has been integrated 1216 into rc.d/netif. The changes are the following: 1217 1218 1. To use IPv6, simply define $ifconfig_IF_ipv6 like $ifconfig_IF 1219 for IPv4. For aliases, $ifconfig_IF_aliasN should be used. 1220 Note that both variables need the "inet6" keyword at the head. 1221 1222 Do not set $ipv6_network_interfaces manually if you do not 1223 understand what you are doing. It is not needed in most cases. 1224 1225 $ipv6_ifconfig_IF and $ipv6_ifconfig_IF_aliasN still work, but 1226 they are obsolete. 1227 1228 2. $ipv6_enable is obsolete. Use $ipv6_prefer and 1229 "inet6 accept_rtadv" keyword in ifconfig(8) instead. 1230 1231 If you define $ipv6_enable=YES, it means $ipv6_prefer=YES and 1232 all configured interfaces have "inet6 accept_rtadv" in the 1233 $ifconfig_IF_ipv6. These are for backward compatibility. 1234 1235 3. A new variable $ipv6_prefer has been added. If NO, IPv6 1236 functionality of interfaces with no corresponding 1237 $ifconfig_IF_ipv6 is disabled by using "inet6 ifdisabled" flag, 1238 and the default address selection policy of ip6addrctl(8) 1239 is the IPv4-preferred one (see rc.d/ip6addrctl for more details). 1240 Note that if you want to configure IPv6 functionality on the 1241 disabled interfaces after boot, first you need to clear the flag by 1242 using ifconfig(8) like: 1243 1244 ifconfig em0 inet6 -ifdisabled 1245 1246 If YES, the default address selection policy is set as 1247 IPv6-preferred. 1248 1249 The default value of $ipv6_prefer is NO. 1250 1251 4. If your system need to receive Router Advertisement messages, 1252 define "inet6 accept_rtadv" in $ifconfig_IF_ipv6. The rc(8) 1253 scripts automatically invoke rtsol(8) when the interface becomes 1254 UP. The Router Advertisement messages are used for SLAAC 1255 (State-Less Address AutoConfiguration). 1256 125720090922: 1258 802.11s D3.03 support was committed. This is incompatible with the 1259 previous code, which was based on D3.0. 1260 126120090912: 1262 A sysctl variable net.inet6.ip6.accept_rtadv now sets the default value 1263 of a per-interface flag ND6_IFF_ACCEPT_RTADV, not a global knob to 1264 control whether accepting Router Advertisement messages or not. 1265 Also, a per-interface flag ND6_IFF_AUTO_LINKLOCAL has been added and 1266 a sysctl variable net.inet6.ip6.auto_linklocal is its default value. 1267 The ifconfig(8) utility now supports these flags. 1268 126920090910: 1270 ZFS snapshots are now mounted with MNT_IGNORE flag. Use -v option for 1271 mount(8) and -a option for df(1) to see them. 1272 127320090825: 1274 The old tunable hw.bus.devctl_disable has been superseded by 1275 hw.bus.devctl_queue. hw.bus.devctl_disable=1 in loader.conf should be 1276 replaced by hw.bus.devctl_queue=0. The default for this new tunable 1277 is 1000. 1278 127920090813: 1280 Remove the option STOP_NMI. The default action is now to use NMI only 1281 for KDB via the newly introduced function stop_cpus_hard() and 1282 maintain stop_cpus() to just use a normal IPI_STOP on ia32 and amd64. 1283 128420090803: 1285 The stable/8 branch created in subversion. This corresponds to the 1286 RELENG_8 branch in CVS. 1287 128820090719: 1289 Bump the shared library version numbers for all libraries that do not 1290 use symbol versioning as part of the 8.0-RELEASE cycle. Bump 1291 __FreeBSD_version to 800105. 1292 129320090714: 1294 Due to changes in the implementation of virtual network stack support, 1295 all network-related kernel modules must be recompiled. As this change 1296 breaks the ABI, bump __FreeBSD_version to 800104. 1297 129820090713: 1299 The TOE interface to the TCP syncache has been modified to remove 1300 struct tcpopt (<netinet/tcp_var.h>) from the ABI of the network stack. 1301 The cxgb driver is the only TOE consumer affected by this change, and 1302 needs to be recompiled along with the kernel. As this change breaks 1303 the ABI, bump __FreeBSD_version to 800103. 1304 130520090712: 1306 Padding has been added to struct tcpcb, sackhint and tcpstat in 1307 <netinet/tcp_var.h> to facilitate future MFCs and bug fixes whilst 1308 maintaining the ABI. However, this change breaks the ABI, so bump 1309 __FreeBSD_version to 800102. User space tools that rely on the size of 1310 any of these structs (e.g. sockstat) need to be recompiled. 1311 131220090630: 1313 The NFS_LEGACYRPC option has been removed along with the old kernel 1314 RPC implementation that this option selected. Kernel configurations 1315 may need to be adjusted. 1316 131720090629: 1318 The network interface device nodes at /dev/net/<interface> have been 1319 removed. All ioctl operations can be performed the normal way using 1320 routing sockets. The kqueue functionality can generally be replaced 1321 with routing sockets. 1322 132320090628: 1324 The documentation from the FreeBSD Documentation Project (Handbook, 1325 FAQ, etc.) is now installed via packages by sysinstall(8) and under 1326 the /usr/local/share/doc/freebsd directory instead of /usr/share/doc. 1327 132820090624: 1329 The ABI of various structures related to the SYSV IPC API have been 1330 changed. As a result, the COMPAT_FREEBSD[456] and COMPAT_43 kernel 1331 options now all require COMPAT_FREEBSD7. Bump __FreeBSD_version to 1332 800100. 1333 133420090622: 1335 Layout of struct vnet has changed as routing related variables were 1336 moved to their own Vimage module. Modules need to be recompiled. Bump 1337 __FreeBSD_version to 800099. 1338 133920090619: 1340 NGROUPS_MAX and NGROUPS have been increased from 16 to 1023 and 1024 1341 respectively. As long as no more than 16 groups per process are used, 1342 no changes should be visible. When more than 16 groups are used, old 1343 binaries may fail if they call getgroups() or getgrouplist() with 1344 statically sized storage. Recompiling will work around this, but 1345 applications should be modified to use dynamically allocated storage 1346 for group arrays as POSIX.1-2008 does not cap an implementation's 1347 number of supported groups at NGROUPS_MAX+1 as previous versions did. 1348 1349 NFS and portalfs mounts may also be affected as the list of groups is 1350 truncated to 16. Users of NFS who use more than 16 groups, should 1351 take care that negative group permissions are not used on the exported 1352 file systems as they will not be reliable unless a GSSAPI based 1353 authentication method is used. 1354 135520090616: 1356 The compiling option ADAPTIVE_LOCKMGRS has been introduced. This 1357 option compiles in the support for adaptive spinning for lockmgrs 1358 which want to enable it. The lockinit() function now accepts the flag 1359 LK_ADAPTIVE in order to make the lock object subject to adaptive 1360 spinning when both held in write and read mode. 1361 136220090613: 1363 The layout of the structure returned by IEEE80211_IOC_STA_INFO has 1364 changed. User applications that use this ioctl need to be rebuilt. 1365 136620090611: 1367 The layout of struct thread has changed. Kernel and modules need to 1368 be rebuilt. 1369 137020090608: 1371 The layout of structs ifnet, domain, protosw and vnet_net has changed. 1372 Kernel modules need to be rebuilt. Bump __FreeBSD_version to 800097. 1373 137420090602: 1375 window(1) has been removed from the base system. It can now be 1376 installed from ports. The port is called misc/window. 1377 137820090601: 1379 The way we are storing and accessing `routing table' entries has 1380 changed. Programs reading the FIB, like netstat, need to be 1381 re-compiled. 1382 138320090601: 1384 A new netisr implementation has been added for FreeBSD 8. Network 1385 file system modules, such as igmp, ipdivert, and others, should be 1386 rebuilt. 1387 Bump __FreeBSD_version to 800096. 1388 138920090530: 1390 Remove the tunable/sysctl debug.mpsafevfs as its initial purpose is no 1391 more valid. 1392 139320090530: 1394 Add VOP_ACCESSX(9). File system modules need to be rebuilt. 1395 Bump __FreeBSD_version to 800094. 1396 139720090529: 1398 Add mnt_xflag field to 'struct mount'. File system modules need to be 1399 rebuilt. 1400 Bump __FreeBSD_version to 800093. 1401 140220090528: 1403 The compiling option ADAPTIVE_SX has been retired while it has been 1404 introduced the option NO_ADAPTIVE_SX which handles the reversed logic. 1405 The KPI for sx_init_flags() changes as accepting flags: 1406 SX_ADAPTIVESPIN flag has been retired while the SX_NOADAPTIVE flag has 1407 been introduced in order to handle the reversed logic. 1408 Bump __FreeBSD_version to 800092. 1409 141020090527: 1411 Add support for hierarchical jails. Remove global securelevel. 1412 Bump __FreeBSD_version to 800091. 1413 141420090523: 1415 The layout of struct vnet_net has changed, therefore modules 1416 need to be rebuilt. 1417 Bump __FreeBSD_version to 800090. 1418 141920090523: 1420 The newly imported zic(8) produces a new format in the output. Please 1421 run tzsetup(8) to install the newly created data to /etc/localtime. 1422 142320090520: 1424 The sysctl tree for the usb stack has renamed from hw.usb2.* to 1425 hw.usb.* and is now consistent again with previous releases. 1426 142720090520: 1428 802.11 monitor mode support was revised and driver api's were changed. 1429 Drivers dependent on net80211 now support DLT_IEEE802_11_RADIO instead 1430 of DLT_IEEE802_11. No user-visible data structures were changed but 1431 applications that use DLT_IEEE802_11 may require changes. 1432 Bump __FreeBSD_version to 800088. 1433 143420090430: 1435 The layout of the following structs has changed: sysctl_oid, 1436 socket, ifnet, inpcbinfo, tcpcb, syncache_head, vnet_inet, 1437 vnet_inet6 and vnet_ipfw. Most modules need to be rebuild or 1438 panics may be experienced. World rebuild is required for 1439 correctly checking networking state from userland. 1440 Bump __FreeBSD_version to 800085. 1441 144220090429: 1443 MLDv2 and Source-Specific Multicast (SSM) have been merged 1444 to the IPv6 stack. VIMAGE hooks are in but not yet used. 1445 The implementation of SSM within FreeBSD's IPv6 stack closely 1446 follows the IPv4 implementation. 1447 1448 For kernel developers: 1449 1450 * The most important changes are that the ip6_output() and 1451 ip6_input() paths no longer take the IN6_MULTI_LOCK, 1452 and this lock has been downgraded to a non-recursive mutex. 1453 1454 * As with the changes to the IPv4 stack to support SSM, filtering 1455 of inbound multicast traffic must now be performed by transport 1456 protocols within the IPv6 stack. This does not apply to TCP and 1457 SCTP, however, it does apply to UDP in IPv6 and raw IPv6. 1458 1459 * The KPIs used by IPv6 multicast are similar to those used by 1460 the IPv4 stack, with the following differences: 1461 * im6o_mc_filter() is analogous to imo_multicast_filter(). 1462 * The legacy KAME entry points in6_joingroup and in6_leavegroup() 1463 are shimmed to in6_mc_join() and in6_mc_leave() respectively. 1464 * IN6_LOOKUP_MULTI() has been deprecated and removed. 1465 * IPv6 relies on MLD for the DAD mechanism. KAME's internal KPIs 1466 for MLDv1 have an additional 'timer' argument which is used to 1467 jitter the initial membership report for the solicited-node 1468 multicast membership on-link. 1469 * This is not strictly needed for MLDv2, which already jitters 1470 its report transmissions. However, the 'timer' argument is 1471 preserved in case MLDv1 is active on the interface. 1472 1473 * The KAME linked-list based IPv6 membership implementation has 1474 been refactored to use a vector similar to that used by the IPv4 1475 stack. 1476 Code which maintains a list of its own multicast memberships 1477 internally, e.g. carp, has been updated to reflect the new 1478 semantics. 1479 1480 * There is a known Lock Order Reversal (LOR) due to in6_setscope() 1481 acquiring the IF_AFDATA_LOCK and being called within ip6_output(). 1482 Whilst MLDv2 tries to avoid this otherwise benign LOR, it is an 1483 implementation constraint which needs to be addressed in HEAD. 1484 1485 For application developers: 1486 1487 * The changes are broadly similar to those made for the IPv4 1488 stack. 1489 1490 * The use of IPv4 and IPv6 multicast socket options on the same 1491 socket, using mapped addresses, HAS NOT been tested or supported. 1492 1493 * There are a number of issues with the implementation of various 1494 IPv6 multicast APIs which need to be resolved in the API surface 1495 before the implementation is fully compatible with KAME userland 1496 use, and these are mostly to do with interface index treatment. 1497 1498 * The literature available discusses the use of either the delta / ASM 1499 API with setsockopt(2)/getsockopt(2), or the full-state / ASM API 1500 using setsourcefilter(3)/getsourcefilter(3). For more information 1501 please refer to RFC 3768, 'Socket Interface Extensions for 1502 Multicast Source Filters'. 1503 1504 * Applications which use the published RFC 3678 APIs should be fine. 1505 1506 For systems administrators: 1507 1508 * The mtest(8) utility has been refactored to support IPv6, in 1509 addition to IPv4. Interface addresses are no longer accepted 1510 as arguments, their names must be used instead. The utility 1511 will map the interface name to its first IPv4 address as 1512 returned by getifaddrs(3). 1513 1514 * The ifmcstat(8) utility has also been updated to print the MLDv2 1515 endpoint state and source filter lists via sysctl(3). 1516 1517 * The net.inet6.ip6.mcast.loop sysctl may be tuned to 0 to disable 1518 loopback of IPv6 multicast datagrams by default; it defaults to 1 1519 to preserve the existing behaviour. Disabling multicast loopback is 1520 recommended for optimal system performance. 1521 1522 * The IPv6 MROUTING code has been changed to examine this sysctl 1523 instead of attempting to perform a group lookup before looping 1524 back forwarded datagrams. 1525 1526 Bump __FreeBSD_version to 800084. 1527 152820090422: 1529 Implement low-level Bluetooth HCI API. 1530 Bump __FreeBSD_version to 800083. 1531 153220090419: 1533 The layout of struct malloc_type, used by modules to register new 1534 memory allocation types, has changed. Most modules will need to 1535 be rebuilt or panics may be experienced. 1536 Bump __FreeBSD_version to 800081. 1537 153820090415: 1539 Anticipate overflowing inp_flags - add inp_flags2. 1540 This changes most offsets in inpcb, so checking v4 connection 1541 state will require a world rebuild. 1542 Bump __FreeBSD_version to 800080. 1543 154420090415: 1545 Add an llentry to struct route and struct route_in6. Modules 1546 embedding a struct route will need to be recompiled. 1547 Bump __FreeBSD_version to 800079. 1548 154920090414: 1550 The size of rt_metrics_lite and by extension rtentry has changed. 1551 Networking administration apps will need to be recompiled. 1552 The route command now supports show as an alias for get, weighting 1553 of routes, sticky and nostick flags to alter the behavior of stateful 1554 load balancing. 1555 Bump __FreeBSD_version to 800078. 1556 155720090408: 1558 Do not use Giant for kbdmux(4) locking. This is wrong and 1559 apparently causing more problems than it solves. This will 1560 re-open the issue where interrupt handlers may race with 1561 kbdmux(4) in polling mode. Typical symptoms include (but 1562 not limited to) duplicated and/or missing characters when 1563 low level console functions (such as gets) are used while 1564 interrupts are enabled (for example geli password prompt, 1565 mountroot prompt etc.). Disabling kbdmux(4) may help. 1566 156720090407: 1568 The size of structs vnet_net, vnet_inet and vnet_ipfw has changed; 1569 kernel modules referencing any of the above need to be recompiled. 1570 Bump __FreeBSD_version to 800075. 1571 157220090320: 1573 GEOM_PART has become the default partition slicer for storage devices, 1574 replacing GEOM_MBR, GEOM_BSD, GEOM_PC98 and GEOM_GPT slicers. It 1575 introduces some changes: 1576 1577 MSDOS/EBR: the devices created from MSDOS extended partition entries 1578 (EBR) can be named differently than with GEOM_MBR and are now symlinks 1579 to devices with offset-based names. fstabs may need to be modified. 1580 1581 BSD: the "geometry does not match label" warning is harmless in most 1582 cases but it points to problems in file system misalignment with 1583 disk geometry. The "c" partition is now implicit, covers the whole 1584 top-level drive and cannot be (mis)used by users. 1585 1586 General: Kernel dumps are now not allowed to be written to devices 1587 whose partition types indicate they are meant to be used for file 1588 systems (or, in case of MSDOS partitions, as something else than 1589 the "386BSD" type). 1590 1591 Most of these changes date approximately from 200812. 1592 159320090319: 1594 The uscanner(4) driver has been removed from the kernel. This follows 1595 Linux removing theirs in 2.6 and making libusb the default interface 1596 (supported by sane). 1597 159820090319: 1599 The multicast forwarding code has been cleaned up. netstat(1) 1600 only relies on KVM now for printing bandwidth upcall meters. 1601 The IPv4 and IPv6 modules are split into ip_mroute_mod and 1602 ip6_mroute_mod respectively. The config(5) options for statically 1603 compiling this code remain the same, i.e. 'options MROUTING'. 1604 160520090315: 1606 Support for the IFF_NEEDSGIANT network interface flag has been 1607 removed, which means that non-MPSAFE network device drivers are no 1608 longer supported. In particular, if_ar, if_sr, and network device 1609 drivers from the old (legacy) USB stack can no longer be built or 1610 used. 1611 161220090313: 1613 POSIX.1 Native Language Support (NLS) has been enabled in libc and 1614 a bunch of new language catalog files have also been added. 1615 This means that some common libc messages are now localized and 1616 they depend on the LC_MESSAGES environmental variable. 1617 161820090313: 1619 The k8temp(4) driver has been renamed to amdtemp(4) since 1620 support for Family 10 and Family 11 CPU families was added. 1621 162220090309: 1623 IGMPv3 and Source-Specific Multicast (SSM) have been merged 1624 to the IPv4 stack. VIMAGE hooks are in but not yet used. 1625 1626 For kernel developers, the most important changes are that the 1627 ip_output() and ip_input() paths no longer take the IN_MULTI_LOCK(), 1628 and this lock has been downgraded to a non-recursive mutex. 1629 1630 Transport protocols (UDP, Raw IP) are now responsible for filtering 1631 inbound multicast traffic according to group membership and source 1632 filters. The imo_multicast_filter() KPI exists for this purpose. 1633 Transports which do not use multicast (SCTP, TCP) already reject 1634 multicast by default. Forwarding and receive performance may improve 1635 as a mutex acquisition is no longer needed in the ip_input() 1636 low-level input path. in_addmulti() and in_delmulti() are shimmed 1637 to new KPIs which exist to support SSM in-kernel. 1638 1639 For application developers, it is recommended that loopback of 1640 multicast datagrams be disabled for best performance, as this 1641 will still cause the lock to be taken for each looped-back 1642 datagram transmission. The net.inet.ip.mcast.loop sysctl may 1643 be tuned to 0 to disable loopback by default; it defaults to 1 1644 to preserve the existing behaviour. 1645 1646 For systems administrators, to obtain best performance with 1647 multicast reception and multiple groups, it is always recommended 1648 that a card with a suitably precise hash filter is used. Hash 1649 collisions will still result in the lock being taken within the 1650 transport protocol input path to check group membership. 1651 1652 If deploying FreeBSD in an environment with IGMP snooping switches, 1653 it is recommended that the net.inet.igmp.sendlocal sysctl remain 1654 enabled; this forces 224.0.0.0/24 group membership to be announced 1655 via IGMP. 1656 1657 The size of 'struct igmpstat' has changed; netstat needs to be 1658 recompiled to reflect this. 1659 Bump __FreeBSD_version to 800070. 1660 166120090309: 1662 libusb20.so.1 is now installed as libusb.so.1 and the ports system 1663 updated to use it. This requires a buildworld/installworld in order to 1664 update the library and dependencies (usbconfig, etc). Its advisable to 1665 rebuild all ports which uses libusb. More specific directions are given 1666 in the ports collection UPDATING file. Any /etc/libmap.conf entries for 1667 libusb are no longer required and can be removed. 1668 166920090302: 1670 A workaround is committed to allow the creation of System V shared 1671 memory segment of size > 2 GB on the 64-bit architectures. 1672 Due to a limitation of the existing ABI, the shm_segsz member 1673 of the struct shmid_ds, returned by shmctl(IPC_STAT) call is 1674 wrong for large segments. Note that limits must be explicitly 1675 raised to allow such segments to be created. 1676 167720090301: 1678 The layout of struct ifnet has changed, requiring a rebuild of all 1679 network device driver modules. 1680 168120090227: 1682 The /dev handling for the new USB stack has changed, a 1683 buildworld/installworld is required for libusb20. 1684 168520090223: 1686 The new USB2 stack has now been permanently moved in and all kernel and 1687 module names reverted to their previous values (eg, usb, ehci, ohci, 1688 ums, ...). The old usb stack can be compiled in by prefixing the name 1689 with the letter 'o', the old usb modules have been removed. 1690 Updating entry 20090216 for xorg and 20090215 for libmap may still 1691 apply. 1692 169320090217: 1694 The rc.conf(5) option if_up_delay has been renamed to 1695 defaultroute_delay to better reflect its purpose. If you have 1696 customized this setting in /etc/rc.conf you need to update it to 1697 use the new name. 1698 169920090216: 1700 xorg 7.4 wants to configure its input devices via hald which does not 1701 yet work with USB2. If the keyboard/mouse does not work in xorg then 1702 add 1703 Option "AllowEmptyInput" "off" 1704 to your ServerLayout section. This will cause X to use the configured 1705 kbd and mouse sections from your xorg.conf. 1706 170720090215: 1708 The GENERIC kernels for all architectures now default to the new USB2 1709 stack. No kernel config options or code have been removed so if a 1710 problem arises please report it and optionally revert to the old USB 1711 stack. If you are loading USB kernel modules or have a custom kernel 1712 that includes GENERIC then ensure that usb names are also changed over, 1713 eg uftdi -> usb2_serial_ftdi. 1714 1715 Older programs linked against the ports libusb 0.1 need to be 1716 redirected to the new stack's libusb20. /etc/libmap.conf can 1717 be used for this: 1718 # Map old usb library to new one for usb2 stack 1719 libusb-0.1.so.8 libusb20.so.1 1720 172120090209: 1722 All USB ethernet devices now attach as interfaces under the name ueN 1723 (eg. ue0). This is to provide a predictable name as vendors often 1724 change usb chipsets in a product without notice. 1725 172620090203: 1727 The ichsmb(4) driver has been changed to require SMBus slave 1728 addresses be left-justified (xxxxxxx0b) rather than right-justified. 1729 All of the other SMBus controller drivers require left-justified 1730 slave addresses, so this change makes all the drivers provide the 1731 same interface. 1732 173320090201: 1734 INET6 statistics (struct ip6stat) was updated. 1735 netstat(1) needs to be recompiled. 1736 173720090119: 1738 NTFS has been removed from GENERIC kernel on amd64 to match 1739 GENERIC on i386. Should not cause any issues since mount_ntfs(8) 1740 will load ntfs.ko module automatically when NTFS support is 1741 actually needed, unless ntfs.ko is not installed or security 1742 level prohibits loading kernel modules. If either is the case, 1743 "options NTFS" has to be added into kernel config. 1744 174520090115: 1746 TCP Appropriate Byte Counting (RFC 3465) support added to kernel. 1747 New field in struct tcpcb breaks ABI, so bump __FreeBSD_version to 1748 800061. User space tools that rely on the size of struct tcpcb in 1749 tcp_var.h (e.g. sockstat) need to be recompiled. 1750 175120081225: 1752 ng_tty(4) module updated to match the new TTY subsystem. 1753 Due to API change, user-level applications must be updated. 1754 New API support added to mpd5 CVS and expected to be present 1755 in next mpd5.3 release. 1756 175720081219: 1758 With __FreeBSD_version 800060 the makefs tool is part of 1759 the base system (it was a port). 1760 176120081216: 1762 The afdata and ifnet locks have been changed from mutexes to 1763 rwlocks, network modules will need to be re-compiled. 1764 176520081214: 1766 __FreeBSD_version 800059 incorporates the new arp-v2 rewrite. 1767 RTF_CLONING, RTF_LLINFO and RTF_WASCLONED flags are eliminated. 1768 The new code reduced struct rtentry{} by 16 bytes on 32-bit 1769 architecture and 40 bytes on 64-bit architecture. The userland 1770 applications "arp" and "ndp" have been updated accordingly. 1771 The output from "netstat -r" shows only routing entries and 1772 none of the L2 information. 1773 177420081130: 1775 __FreeBSD_version 800057 marks the switchover from the 1776 binary ath hal to source code. Users must add the line: 1777 1778 options AH_SUPPORT_AR5416 1779 1780 to their kernel config files when specifying: 1781 1782 device ath_hal 1783 1784 The ath_hal module no longer exists; the code is now compiled 1785 together with the driver in the ath module. It is now 1786 possible to tailor chip support (i.e. reduce the set of chips 1787 and thereby the code size); consult ath_hal(4) for details. 1788 178920081121: 1790 __FreeBSD_version 800054 adds memory barriers to 1791 <machine/atomic.h>, new interfaces to ifnet to facilitate 1792 multiple hardware transmit queues for cards that support 1793 them, and a lock-less ring-buffer implementation to 1794 enable drivers to more efficiently manage queueing of 1795 packets. 1796 179720081117: 1798 A new version of ZFS (version 13) has been merged to -HEAD. 1799 This version has zpool attribute "listsnapshots" off by 1800 default, which means "zfs list" does not show snapshots, 1801 and is the same as Solaris behavior. 1802 180320081028: 1804 dummynet(4) ABI has changed. ipfw(8) needs to be recompiled. 1805 180620081009: 1807 The uhci, ohci, ehci and slhci USB Host controller drivers have 1808 been put into separate modules. If you load the usb module 1809 separately through loader.conf you will need to load the 1810 appropriate *hci module as well. E.g. for a UHCI-based USB 2.0 1811 controller add the following to loader.conf: 1812 1813 uhci_load="YES" 1814 ehci_load="YES" 1815 181620081009: 1817 The ABI used by the PMC toolset has changed. Please keep 1818 userland (libpmc(3)) and the kernel module (hwpmc(4)) in 1819 sync. 1820 182120081009: 1822 atapci kernel module now includes only generic PCI ATA 1823 driver. AHCI driver moved to ataahci kernel module. 1824 All vendor-specific code moved into separate kernel modules: 1825 ataacard, ataacerlabs, ataadaptec, ataamd, ataati, atacenatek, 1826 atacypress, atacyrix, atahighpoint, ataintel, ataite, atajmicron, 1827 atamarvell, atamicron, atanational, atanetcell, atanvidia, 1828 atapromise, ataserverworks, atasiliconimage, atasis, atavia 1829 183020080820: 1831 The TTY subsystem of the kernel has been replaced by a new 1832 implementation, which provides better scalability and an 1833 improved driver model. Most common drivers have been migrated to 1834 the new TTY subsystem, while others have not. The following 1835 drivers have not yet been ported to the new TTY layer: 1836 1837 PCI/ISA: 1838 cy, digi, rc, rp, sio 1839 1840 USB: 1841 ubser, ucycom 1842 1843 Line disciplines: 1844 ng_h4, ng_tty, ppp, sl, snp 1845 1846 Adding these drivers to your kernel configuration file shall 1847 cause compilation to fail. 1848 184920080818: 1850 ntpd has been upgraded to 4.2.4p5. 1851 185220080801: 1853 OpenSSH has been upgraded to 5.1p1. 1854 1855 For many years, FreeBSD's version of OpenSSH preferred DSA 1856 over RSA for host and user authentication keys. With this 1857 upgrade, we've switched to the vendor's default of RSA over 1858 DSA. This may cause upgraded clients to warn about unknown 1859 host keys even for previously known hosts. Users should 1860 follow the usual procedure for verifying host keys before 1861 accepting the RSA key. 1862 1863 This can be circumvented by setting the "HostKeyAlgorithms" 1864 option to "ssh-dss,ssh-rsa" in ~/.ssh/config or on the ssh 1865 command line. 1866 1867 Please note that the sequence of keys offered for 1868 authentication has been changed as well. You may want to 1869 specify IdentityFile in a different order to revert this 1870 behavior. 1871 187220080713: 1873 The sio(4) driver has been removed from the i386 and amd64 1874 kernel configuration files. This means uart(4) is now the 1875 default serial port driver on those platforms as well. 1876 1877 To prevent collisions with the sio(4) driver, the uart(4) driver 1878 uses different names for its device nodes. This means the 1879 onboard serial port will now most likely be called "ttyu0" 1880 instead of "ttyd0". You may need to reconfigure applications to 1881 use the new device names. 1882 1883 When using the serial port as a boot console, be sure to update 1884 /boot/device.hints and /etc/ttys before booting the new kernel. 1885 If you forget to do so, you can still manually specify the hints 1886 at the loader prompt: 1887 1888 set hint.uart.0.at="isa" 1889 set hint.uart.0.port="0x3F8" 1890 set hint.uart.0.flags="0x10" 1891 set hint.uart.0.irq="4" 1892 boot -s 1893 189420080609: 1895 The gpt(8) utility has been removed. Use gpart(8) to partition 1896 disks instead. 1897 189820080603: 1899 The version that Linuxulator emulates was changed from 2.4.2 1900 to 2.6.16. If you experience any problems with Linux binaries 1901 please try to set sysctl compat.linux.osrelease to 2.4.2 and 1902 if it fixes the problem contact emulation mailing list. 1903 190420080525: 1905 ISDN4BSD (I4B) was removed from the src tree. You may need to 1906 update a your kernel configuration and remove relevant entries. 1907 190820080509: 1909 I have checked in code to support multiple routing tables. 1910 See the man pages setfib(1) and setfib(2). 1911 This is a hopefully backwards compatible version, 1912 but to make use of it you need to compile your kernel 1913 with options ROUTETABLES=2 (or more up to 16). 1914 191520080420: 1916 The 802.11 wireless support was redone to enable multi-bss 1917 operation on devices that are capable. The underlying device 1918 is no longer used directly but instead wlanX devices are 1919 cloned with ifconfig. This requires changes to rc.conf files. 1920 For example, change: 1921 ifconfig_ath0="WPA DHCP" 1922 to 1923 wlans_ath0=wlan0 1924 ifconfig_wlan0="WPA DHCP" 1925 see rc.conf(5) for more details. In addition, mergemaster of 1926 /etc/rc.d is highly recommended. Simultaneous update of userland 1927 and kernel wouldn't hurt either. 1928 1929 As part of the multi-bss changes the wlan_scan_ap and wlan_scan_sta 1930 modules were merged into the base wlan module. All references 1931 to these modules (e.g. in kernel config files) must be removed. 1932 193320080408: 1934 psm(4) has gained write(2) support in native operation level. 1935 Arbitrary commands can be written to /dev/psm%d and status can 1936 be read back from it. Therefore, an application is responsible 1937 for status validation and error recovery. It is a no-op in 1938 other operation levels. 1939 194020080312: 1941 Support for KSE threading has been removed from the kernel. To 1942 run legacy applications linked against KSE libmap.conf may 1943 be used. The following libmap.conf may be used to ensure 1944 compatibility with any prior release: 1945 1946 libpthread.so.1 libthr.so.1 1947 libpthread.so.2 libthr.so.2 1948 libkse.so.3 libthr.so.3 1949 195020080301: 1951 The layout of struct vmspace has changed. This affects libkvm 1952 and any executables that link against libkvm and use the 1953 kvm_getprocs() function. In particular, but not exclusively, 1954 it affects ps(1), fstat(1), pkill(1), systat(1), top(1) and w(1). 1955 The effects are minimal, but it's advisable to upgrade world 1956 nonetheless. 1957 195820080229: 1959 The latest em driver no longer has support in it for the 1960 82575 adapter, this is now moved to the igb driver. The 1961 split was done to make new features that are incompatible 1962 with older hardware easier to do. 1963 196420080220: 1965 The new geom_lvm(4) geom class has been renamed to geom_linux_lvm(4), 1966 likewise the kernel option is now GEOM_LINUX_LVM. 1967 196820080211: 1969 The default NFS mount mode has changed from UDP to TCP for 1970 increased reliability. If you rely on (insecurely) NFS 1971 mounting across a firewall you may need to update your 1972 firewall rules. 1973 197420080208: 1975 Belatedly note the addition of m_collapse for compacting 1976 mbuf chains. 1977 197820080126: 1979 The fts(3) structures have been changed to use adequate 1980 integer types for their members and so to be able to cope 1981 with huge file trees. The old fts(3) ABI is preserved 1982 through symbol versioning in libc, so third-party binaries 1983 using fts(3) should still work, although they will not take 1984 advantage of the extended types. At the same time, some 1985 third-party software might fail to build after this change 1986 due to unportable assumptions made in its source code about 1987 fts(3) structure members. Such software should be fixed 1988 by its vendor or, in the worst case, in the ports tree. 1989 FreeBSD_version 800015 marks this change for the unlikely 1990 case that a portable fix is impossible. 1991 199220080123: 1993 To upgrade to -current after this date, you must be running 1994 FreeBSD not older than 6.0-RELEASE. Upgrading to -current 1995 from 5.x now requires a stop over at RELENG_6 or RELENG_7 systems. 1996 199720071128: 1998 The ADAPTIVE_GIANT kernel option has been retired because its 1999 functionality is the default now. 2000 200120071118: 2002 The AT keyboard emulation of sunkbd(4) has been turned on 2003 by default. In order to make the special symbols of the Sun 2004 keyboards driven by sunkbd(4) work under X these now have 2005 to be configured the same way as Sun USB keyboards driven 2006 by ukbd(4) (which also does AT keyboard emulation), f.e.: 2007 2008 Option "XkbLayout" "us" 2009 Option "XkbRules" "xorg" 2010 Option "XkbSymbols" "pc(pc105)+sun_vndr/usb(sun_usb)+us" 2011 201220071024: 2013 It has been decided that it is desirable to provide ABI 2014 backwards compatibility to the FreeBSD 4/5/6 versions of the 2015 PCIOCGETCONF, PCIOCREAD and PCIOCWRITE IOCTLs, which was 2016 broken with the introduction of PCI domain support (see the 2017 20070930 entry). Unfortunately, this required the ABI of 2018 PCIOCGETCONF to be broken again in order to be able to 2019 provide backwards compatibility to the old version of that 2020 IOCTL. Thus consumers of PCIOCGETCONF have to be recompiled 2021 again. As for prominent ports this affects neither pciutils 2022 nor xorg-server this time, the hal port needs to be rebuilt 2023 however. 2024 202520071020: 2026 The misnamed kthread_create() and friends have been renamed 2027 to kproc_create() etc. Many of the callers already 2028 used kproc_start().. 2029 I will return kthread_create() and friends in a while 2030 with implementations that actually create threads, not procs. 2031 Renaming corresponds with version 800002. 2032 203320071010: 2034 RELENG_7 branched. 2035 2036COMMON ITEMS: 2037 2038 General Notes 2039 ------------- 2040 Avoid using make -j when upgrading. While generally safe, there are 2041 sometimes problems using -j to upgrade. If your upgrade fails with 2042 -j, please try again without -j. From time to time in the past there 2043 have been problems using -j with buildworld and/or installworld. This 2044 is especially true when upgrading between "distant" versions (eg one 2045 that cross a major release boundary or several minor releases, or when 2046 several months have passed on the -current branch). 2047 2048 Sometimes, obscure build problems are the result of environment 2049 poisoning. This can happen because the make utility reads its 2050 environment when searching for values for global variables. To run 2051 your build attempts in an "environmental clean room", prefix all make 2052 commands with 'env -i '. See the env(1) manual page for more details. 2053 2054 When upgrading from one major version to another it is generally best 2055 to upgrade to the latest code in the currently installed branch first, 2056 then do an upgrade to the new branch. This is the best-tested upgrade 2057 path, and has the highest probability of being successful. Please try 2058 this approach before reporting problems with a major version upgrade. 2059 2060 When upgrading a live system, having a root shell around before 2061 installing anything can help undo problems. Not having a root shell 2062 around can lead to problems if pam has changed too much from your 2063 starting point to allow continued authentication after the upgrade. 2064 2065 ZFS notes 2066 --------- 2067 When upgrading the boot ZFS pool to a new version, always follow 2068 these two steps: 2069 2070 1.) recompile and reinstall the ZFS boot loader and boot block 2071 (this is part of "make buildworld" and "make installworld") 2072 2073 2.) update the ZFS boot block on your boot drive 2074 2075 The following example updates the ZFS boot block on the first 2076 partition (freebsd-boot) of a GPT partitioned drive ad0: 2077 "gpart bootcode -p /boot/gptzfsboot -i 1 ad0" 2078 2079 Non-boot pools do not need these updates. 2080 2081 To build a kernel 2082 ----------------- 2083 If you are updating from a prior version of FreeBSD (even one just 2084 a few days old), you should follow this procedure. It is the most 2085 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 2086 2087 make kernel-toolchain 2088 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 2089 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 2090 2091 To test a kernel once 2092 --------------------- 2093 If you just want to boot a kernel once (because you are not sure 2094 if it works, or if you want to boot a known bad kernel to provide 2095 debugging information) run 2096 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 2097 nextboot -k testkernel 2098 2099 To just build a kernel when you know that it won't mess you up 2100 -------------------------------------------------------------- 2101 This assumes you are already running a CURRENT system. Replace 2102 ${arch} with the architecture of your machine (e.g. "i386", 2103 "arm", "amd64", "ia64", "pc98", "sparc64", "powerpc", "mips", etc). 2104 2105 cd src/sys/${arch}/conf 2106 config KERNEL_NAME_HERE 2107 cd ../compile/KERNEL_NAME_HERE 2108 make depend 2109 make 2110 make install 2111 2112 If this fails, go to the "To build a kernel" section. 2113 2114 To rebuild everything and install it on the current system. 2115 ----------------------------------------------------------- 2116 # Note: sometimes if you are running current you gotta do more than 2117 # is listed here if you are upgrading from a really old current. 2118 2119 <make sure you have good level 0 dumps> 2120 make buildworld 2121 make kernel KERNCONF=YOUR_KERNEL_HERE 2122 [1] 2123 <reboot in single user> [3] 2124 mergemaster -p [5] 2125 make installworld 2126 mergemaster -i [4] 2127 make delete-old [6] 2128 <reboot> 2129 2130 To cross-install current onto a separate partition 2131 -------------------------------------------------- 2132 # In this approach we use a separate partition to hold 2133 # current's root, 'usr', and 'var' directories. A partition 2134 # holding "/", "/usr" and "/var" should be about 2GB in 2135 # size. 2136 2137 <make sure you have good level 0 dumps> 2138 <boot into -stable> 2139 make buildworld 2140 make buildkernel KERNCONF=YOUR_KERNEL_HERE 2141 <maybe newfs current's root partition> 2142 <mount current's root partition on directory ${CURRENT_ROOT}> 2143 make installworld DESTDIR=${CURRENT_ROOT} 2144 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 2145 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 2146 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 2147 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 2148 <reboot into current> 2149 <do a "native" rebuild/install as described in the previous section> 2150 <maybe install compatibility libraries from ports/misc/compat*> 2151 <reboot> 2152 2153 2154 To upgrade in-place from stable to current 2155 ---------------------------------------------- 2156 <make sure you have good level 0 dumps> 2157 make buildworld [9] 2158 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 2159 [1] 2160 <reboot in single user> [3] 2161 mergemaster -p [5] 2162 make installworld 2163 mergemaster -i [4] 2164 make delete-old [6] 2165 <reboot> 2166 2167 Make sure that you've read the UPDATING file to understand the 2168 tweaks to various things you need. At this point in the life 2169 cycle of current, things change often and you are on your own 2170 to cope. The defaults can also change, so please read ALL of 2171 the UPDATING entries. 2172 2173 Also, if you are tracking -current, you must be subscribed to 2174 freebsd-current@freebsd.org. Make sure that before you update 2175 your sources that you have read and understood all the recent 2176 messages there. If in doubt, please track -stable which has 2177 much fewer pitfalls. 2178 2179 [1] If you have third party modules, such as vmware, you 2180 should disable them at this point so they don't crash your 2181 system on reboot. 2182 2183 [3] From the bootblocks, boot -s, and then do 2184 fsck -p 2185 mount -u / 2186 mount -a 2187 cd src 2188 adjkerntz -i # if CMOS is wall time 2189 Also, when doing a major release upgrade, it is required that 2190 you boot into single user mode to do the installworld. 2191 2192 [4] Note: This step is non-optional. Failure to do this step 2193 can result in a significant reduction in the functionality of the 2194 system. Attempting to do it by hand is not recommended and those 2195 that pursue this avenue should read this file carefully, as well 2196 as the archives of freebsd-current and freebsd-hackers mailing lists 2197 for potential gotchas. The -U option is also useful to consider. 2198 See mergemaster(8) for more information. 2199 2200 [5] Usually this step is a noop. However, from time to time 2201 you may need to do this if you get unknown user in the following 2202 step. It never hurts to do it all the time. You may need to 2203 install a new mergemaster (cd src/usr.sbin/mergemaster && make 2204 install) after the buildworld before this step if you last updated 2205 from current before 20130425 or from -stable before 20130430. 2206 2207 [6] This only deletes old files and directories. Old libraries 2208 can be deleted by "make delete-old-libs", but you have to make 2209 sure that no program is using those libraries anymore. 2210 2211 [8] In order to have a kernel that can run the 4.x binaries needed to 2212 do an installworld, you must include the COMPAT_FREEBSD4 option in 2213 your kernel. Failure to do so may leave you with a system that is 2214 hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 is 2215 required to run the 5.x binaries on more recent kernels. And so on 2216 for COMPAT_FREEBSD6 and COMPAT_FREEBSD7. 2217 2218 Make sure that you merge any new devices from GENERIC since the 2219 last time you updated your kernel config file. 2220 2221 [9] When checking out sources, you must include the -P flag to have 2222 cvs prune empty directories. 2223 2224 If CPUTYPE is defined in your /etc/make.conf, make sure to use the 2225 "?=" instead of the "=" assignment operator, so that buildworld can 2226 override the CPUTYPE if it needs to. 2227 2228 MAKEOBJDIRPREFIX must be defined in an environment variable, and 2229 not on the command line, or in /etc/make.conf. buildworld will 2230 warn if it is improperly defined. 2231FORMAT: 2232 2233This file contains a list, in reverse chronological order, of major 2234breakages in tracking -current. It is not guaranteed to be a complete 2235list of such breakages, and only contains entries since October 10, 2007. 2236If you need to see UPDATING entries from before that date, you will need 2237to fetch an UPDATING file from an older FreeBSD release. 2238 2239Copyright information: 2240 2241Copyright 1998-2009 M. Warner Losh. All Rights Reserved. 2242 2243Redistribution, publication, translation and use, with or without 2244modification, in full or in part, in any form or format of this 2245document are permitted without further permission from the author. 2246 2247THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 2248IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 2249WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 2250DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 2251INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 2252(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2253SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2254HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 2255STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 2256IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2257POSSIBILITY OF SUCH DAMAGE. 2258 2259Contact Warner Losh if you have any questions about your use of 2260this document. 2261 2262$FreeBSD: releng/10.1/UPDATING 285979 2015-07-28 19:59:11Z delphij $ 2263