UPDATING revision 282873
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 1920150513: p10 FreeBSD-EN-15:04.freebsd-update 20 FreeBSD-EN-15:05.ufs 21 22 Fix bug with freebsd-update(8) that does not ensure the previous 23 upgrade was completed. [EN-15:04] 24 25 Fix deadlock on reboot with UFS tuned with SU+J. [EN-15:05] 26 2720150407: p9 FreeBSD-SA-15:04.igmp [revised] 28 FreeBSD-SA-15:07.ntp 29 FreeBSD-SA-15:08.bsdinstall 30 FreeBSD-SA-15:09.ipv6 31 32 Improved patch for SA-15:04.igmp. 33 34 Fix multiple vulnerabilities of ntp. [SA-15:07] 35 36 Fix bsdinstall(8) insecure default GELI keyfile permissions. [SA-15:08] 37 38 Fix Denial of Service with IPv6 Router Advertisements. [SA-15:09] 39 4020150320: p8 41 Fix patch for SA-15:06.openssl. 42 4320150319: p7 FreeBSD-SA-15:06.openssl 44 Fix multiple vulnerabilities in OpenSSL. [SA-15:06] 45 4620150225: p6 FreeBSD-SA-15:04.igmp 47 FreeBSD-EN-15:01.vt 48 FreeBSD-EN-15:02.openssl 49 FreeBSD-EN-15:03.freebsd-update 50 51 Fix integer overflow in IGMP protocol. [SA-15:04] 52 53 Fix vt(4) crash with improper ioctl parameters. [EN-15:01] 54 55 Updated base system OpenSSL to 1.0.1l. [EN-15:02] 56 57 Fix freebsd-update libraries update ordering issue. [EN-15:03] 58 5920150127: p5 FreeBSD-SA-15:02.kmem 60 FreeBSD-SA-15:03.sctp 61 62 Fix SCTP SCTP_SS_VALUE kernel memory corruption and disclosure 63 vulnerability. [SA-15:02] 64 65 Fix SCTP stream reset vulnerability. [SA-15:03] 66 6720150114: p4 FreeBSD-SA-15:01.openssl 68 Fix multiple vulnerabilities in OpenSSL. [SA-15:01] 69 7020141223: p3 FreeBSD-SA-14:31.ntp 71 FreeBSD-EN-14:13.freebsd-update 72 73 Fix multiple vulnerabilities in NTP suite. [SA-14:31] 74 Fix directory deletion issue in freebsd-update. [EN-14:13] 75 7620141217: p2 FreeBSD-SA-14:30.unbound 77 Fix unbound remote denial of service vulnerability. 78 7920141210: p1 FreeBSD-SA-14:27.stdio 80 FreeBSD-SA-14:28.file 81 82 Fix buffer overflow in stdio. [SA-14:27] 83 84 Fix multiple vulnerabilities in file(1) and libmagic(3). 85 [SA-14:28] 86 8720140904: 88 The ofwfb driver, used to provide a graphics console on PowerPC when 89 using vt(4), no longer allows mmap() of all of physical memory. This 90 will prevent Xorg on PowerPC with some ATI graphics cards from 91 initializing properly unless x11-servers/xorg-server is updated to 92 1.12.4_8 or newer. 93 9420140831: 95 The libatf-c and libatf-c++ major versions were downgraded to 0 and 96 1 respectively to match the upstream numbers. They were out of 97 sync because, when they were originally added to FreeBSD, the 98 upstream versions were not respected. These libraries are private 99 and not yet built by default, so renumbering them should be a 100 non-issue. However, unclean source trees will yield broken test 101 programs once the operator executes "make delete-old-libs" after a 102 "make installworld". 103 104 Additionally, the atf-sh binary was made private by moving it into 105 /usr/libexec/. Already-built shell test programs will keep the 106 path to the old binary so they will break after "make delete-old" 107 is run. 108 109 If you are using WITH_TESTS=yes (not the default), wipe the object 110 tree and rebuild from scratch to prevent spurious test failures. 111 This is only needed once: the misnumbered libraries and misplaced 112 binaries have been added to OptionalObsoleteFiles.inc so they will 113 be removed during a clean upgrade. 114 11520140814: 116 The ixgbe tunables now match their sysctl counterparts, for example: 117 hw.ixgbe.enable_aim => hw.ix.enable_aim 118 Anyone using ixgbe tunables should ensure they update /boot/loader.conf. 119 12020140801: 121 The NFSv4.1 server committed by r269398 changes the internal 122 function call interfaces used between the NFS and krpc modules. 123 As such, __FreeBSD_version was bumped. 124 12520140729: 126 The default unbound configuration has been modified to address 127 issues with reverse lookups on networks that use private 128 address ranges. If you use the local_unbound service, run 129 "service local_unbound setup" as root to regenerate your 130 configuration, then "service local_unbound reload" to load the 131 new configuration. 132 13320140717: 134 It is no longer necessary to include the dwarf version in your DEBUG 135 options in your kernel config file. The bug that required it to be 136 placed in the config file has bene fixed. DEBUG should now just 137 contain -g. The build system will automatically update things 138 to do the right thing. 139 14020140715: 141 Several ABI breaking changes were merged to CTL and new iSCSI code. 142 All CTL and iSCSI-related tools, such as ctladm, ctld, iscsid and 143 iscsictl need to be rebuilt to work with a new kernel. 144 14520140708: 146 The WITHOUT_VT_SUPPORT kernel config knob has been renamed 147 WITHOUT_VT. (The other _SUPPORT knobs have a consistent meaning 148 which differs from the behaviour controlled by this knob.) 149 15020140608: 151 On i386 and amd64 systems, the onifconsole flag is now set by default 152 in /etc/ttys for ttyu0. This causes ttyu0 to be automatically enabled 153 as a login TTY if it is set in the bootloader as an active kernel 154 console. No changes in behavior should result otherwise. To revert to 155 the previous behavior, set ttyu0 to "off" in /etc/ttys. 156 15720140512: 158 Clang and llvm have been upgraded to 3.4.1 release. 159 16020140321: 161 Clang and llvm have been upgraded to 3.4 release. 162 16320140306: 164 If a Makefile in a tests/ directory was auto-generating a Kyuafile 165 instead of providing an explicit one, this would prevent such 166 Makefile from providing its own Kyuafile in the future during 167 NO_CLEAN builds. This has been fixed in the Makefiles but manual 168 intervention is needed to clean an objdir if you use NO_CLEAN: 169 # find /usr/obj -name Kyuafile | xargs rm -f 170 17120140303: 172 OpenSSH will now ignore errors caused by kernel lacking of Capsicum 173 capability mode support. Please note that enabling the feature in 174 kernel is still highly recommended. 175 17620140227: 177 OpenSSH is now built with sandbox support, and will use sandbox as 178 the default privilege separation method. This requires Capsicum 179 capability mode support in kernel. 180 18120140216: 182 The nve(4) driver for NVIDIA nForce MCP Ethernet adapters has 183 been deprecated and will not be part of FreeBSD 11.0 and later 184 releases. If you use this driver, please consider switching to 185 the nfe(4) driver instead. 186 18720140120: 188 10.0-RELEASE. 189 19020131216: 191 The behavior of gss_pseudo_random() for the krb5 mechanism 192 has changed, for applications requesting a longer random string 193 than produced by the underlying enctype's pseudo-random() function. 194 In particular, the random string produced from a session key of 195 enctype aes256-cts-hmac-sha1-96 or aes256-cts-hmac-sha1-96 will 196 be different at the 17th octet and later, after this change. 197 The counter used in the PRF+ construction is now encoded as a 198 big-endian integer in accordance with RFC 4402. 199 __FreeBSD_version is bumped to 1000701. 200 20120131108: 202 The WITHOUT_ATF build knob has been removed and its functionality 203 has been subsumed into the more generic WITHOUT_TESTS. If you were 204 using the former to disable the build of the ATF libraries, you 205 should change your settings to use the latter. 206 20720131031: 208 The default version of mtree is nmtree which is obtained from 209 NetBSD. The output is generally the same, but may vary 210 slightly. If you found you need identical output adding 211 "-F freebsd9" to the command line should do the trick. For the 212 time being, the old mtree is available as fmtree. 213 21420131014: 215 libbsdyml has been renamed to libyaml and moved to /usr/lib/private. 216 This will break ports-mgmt/pkg. Rebuild the port, or upgrade to pkg 217 1.1.4_8 and verify bsdyml not linked in, before running "make 218 delete-old-libs": 219 # make -C /usr/ports/ports-mgmt/pkg build deinstall install clean 220 or 221 # pkg install pkg; ldd /usr/local/sbin/pkg | grep bsdyml 222 22320131010: 224 The rc.d/jail script has been updated to support jail(8) 225 configuration file. The "jail_<jname>_*" rc.conf(5) variables 226 for per-jail configuration are automatically converted to 227 /var/run/jail.<jname>.conf before the jail(8) utility is invoked. 228 This is transparently backward compatible. See below about some 229 incompatibilities and rc.conf(5) manual page for more details. 230 231 These variables are now deprecated in favor of jail(8) configuration 232 file. One can use "rc.d/jail config <jname>" command to generate 233 a jail(8) configuration file in /var/run/jail.<jname>.conf without 234 running the jail(8) utility. The default pathname of the 235 configuration file is /etc/jail.conf and can be specified by 236 using $jail_conf or $jail_<jname>_conf variables. 237 238 Please note that jail_devfs_ruleset accepts an integer at 239 this moment. Please consider to rewrite the ruleset name 240 with an integer. 241 24220130930: 243 BIND has been removed from the base system. If all you need 244 is a local resolver, simply enable and start the local_unbound 245 service instead. Otherwise, several versions of BIND are 246 available in the ports tree. The dns/bind99 port is one example. 247 248 With this change, nslookup(1) and dig(1) are no longer in the base 249 system. Users should instead use host(1) and drill(1) which are 250 in the base system. Alternatively, nslookup and dig can 251 be obtained by installing the dns/bind-tools port. 252 25320130916: 254 With the addition of unbound(8), a new unbound user is now 255 required during installworld. "mergemaster -p" can be used to 256 add the user prior to installworld, as documented in the handbook. 257 25820130911: 259 OpenSSH is now built with DNSSEC support, and will by default 260 silently trust signed SSHFP records. This can be controlled with 261 the VerifyHostKeyDNS client configuration setting. DNSSEC support 262 can be disabled entirely with the WITHOUT_LDNS option in src.conf. 263 26420130906: 265 The GNU Compiler Collection and C++ standard library (libstdc++) 266 are no longer built by default on platforms where clang is the system 267 compiler. You can enable them with the WITH_GCC and WITH_GNUCXX 268 options in src.conf. 269 27020130905: 271 The PROCDESC kernel option is now part of the GENERIC kernel 272 configuration and is required for the rwhod(8) to work. 273 If you are using custom kernel configuration, you should include 274 'options PROCDESC'. 275 27620130905: 277 The API and ABI related to the Capsicum framework was modified 278 in backward incompatible way. The userland libraries and programs 279 have to be recompiled to work with the new kernel. This includes the 280 following libraries and programs, but the whole buildworld is 281 advised: libc, libprocstat, dhclient, tcpdump, hastd, hastctl, 282 kdump, procstat, rwho, rwhod, uniq. 283 28420130903: 285 AES-NI intrinsic support has been added to gcc. The AES-NI module 286 has been updated to use this support. A new gcc is required to build 287 the aesni module on both i386 and amd64. 288 28920130821: 290 The PADLOCK_RNG and RDRAND_RNG kernel options are now devices. 291 Thus "device padlock_rng" and "device rdrand_rng" should be 292 used instead of "options PADLOCK_RNG" & "options RDRAND_RNG". 293 29420130813: 295 WITH_ICONV has been split into two feature sets. WITH_ICONV now 296 enables just the iconv* functionality and is now on by default. 297 WITH_LIBICONV_COMPAT enables the libiconv api and link time 298 compatability. Set WITHOUT_ICONV to build the old way. 299 If you have been using WITH_ICONV before, you will very likely 300 need to turn on WITH_LIBICONV_COMPAT. 301 30220130806: 303 INVARIANTS option now enables DEBUG for code with OpenSolaris and 304 Illumos origin, including ZFS. If you have INVARIANTS in your 305 kernel configuration, then there is no need to set DEBUG or ZFS_DEBUG 306 explicitly. 307 DEBUG used to enable witness(9) tracking of OpenSolaris (mostly ZFS) 308 locks if WITNESS option was set. Because that generated a lot of 309 witness(9) reports and all of them were believed to be false 310 positives, this is no longer done. New option OPENSOLARIS_WITNESS 311 can be used to achieve the previous behavior. 312 31320130806: 314 Timer values in IPv6 data structures now use time_uptime instead 315 of time_second. Although this is not a user-visible functional 316 change, userland utilities which directly use them---ndp(8), 317 rtadvd(8), and rtsold(8) in the base system---need to be updated 318 to r253970 or later. 319 32020130802: 321 find -delete can now delete the pathnames given as arguments, 322 instead of only files found below them or if the pathname did 323 not contain any slashes. Formerly, the following error message 324 would result: 325 326 find: -delete: <path>: relative path potentially not safe 327 328 Deleting the pathnames given as arguments can be prevented 329 without error messages using -mindepth 1 or by changing 330 directory and passing "." as argument to find. This works in the 331 old as well as the new version of find. 332 33320130726: 334 Behavior of devfs rules path matching has been changed. 335 Pattern is now always matched against fully qualified devfs 336 path and slash characters must be explicitly matched by 337 slashes in pattern (FNM_PATHNAME). Rulesets involving devfs 338 subdirectories must be reviewed. 339 34020130716: 341 The default ARM ABI has changed to the ARM EABI. The old ABI is 342 incompatible with the ARM EABI and all programs and modules will 343 need to be rebuilt to work with a new kernel. 344 345 To keep using the old ABI ensure the WITHOUT_ARM_EABI knob is set. 346 347 NOTE: Support for the old ABI will be removed in the future and 348 users are advised to upgrade. 349 35020130709: 351 pkg_install has been disconnected from the build if you really need it 352 you should add WITH_PKGTOOLS in your src.conf(5). 353 35420130709: 355 Most of network statistics structures were changed to be able 356 keep 64-bits counters. Thus all tools, that work with networking 357 statistics, must be rebuilt (netstat(1), bsnmpd(1), etc.) 358 35920130629: 360 Fix targets that run multiple make's to use && rather than ; 361 so that subsequent steps depend on success of previous. 362 363 NOTE: if building 'universe' with -j* on stable/8 or stable/9 364 it would be better to start the build using bmake, to avoid 365 overloading the machine. 366 36720130618: 368 Fix a bug that allowed a tracing process (e.g. gdb) to write 369 to a memory-mapped file in the traced process's address space 370 even if neither the traced process nor the tracing process had 371 write access to that file. 372 37320130615: 374 CVS has been removed from the base system. An exact copy 375 of the code is available from the devel/cvs port. 376 37720130613: 378 Some people report the following error after the switch to bmake: 379 380 make: illegal option -- J 381 usage: make [-BPSXeiknpqrstv] [-C directory] [-D variable] 382 ... 383 *** [buildworld] Error code 2 384 385 this likely due to an old instance of make in 386 ${MAKEPATH} (${MAKEOBJDIRPREFIX}${.CURDIR}/make.${MACHINE}) 387 which src/Makefile will use that blindly, if it exists, so if 388 you see the above error: 389 390 rm -rf `make -V MAKEPATH` 391 392 should resolve it. 393 39420130516: 395 Use bmake by default. 396 Whereas before one could choose to build with bmake via 397 -DWITH_BMAKE one must now use -DWITHOUT_BMAKE to use the old 398 make. The goal is to remove these knobs for 10-RELEASE. 399 400 It is worth noting that bmake (like gmake) treats the command 401 line as the unit of failure, rather than statements within the 402 command line. Thus '(cd some/where && dosomething)' is safer 403 than 'cd some/where; dosomething'. The '()' allows consistent 404 behavior in parallel build. 405 40620130429: 407 Fix a bug that allows NFS clients to issue READDIR on files. 408 40920130426: 410 The WITHOUT_IDEA option has been removed because 411 the IDEA patent expired. 412 41320130426: 414 The sysctl which controls TRIM support under ZFS has been renamed 415 from vfs.zfs.trim_disable -> vfs.zfs.trim.enabled and has been 416 enabled by default. 417 41820130425: 419 The mergemaster command now uses the default MAKEOBJDIRPREFIX 420 rather than creating it's own in the temporary directory in 421 order allow access to bootstrapped versions of tools such as 422 install and mtree. When upgrading from version of FreeBSD where 423 the install command does not support -l, you will need to 424 install a new mergemaster command if mergemaster -p is required. 425 This can be accomplished with the command (cd src/usr.sbin/mergemaster 426 && make install). 427 42820130404: 429 Legacy ATA stack, disabled and replaced by new CAM-based one since 430 FreeBSD 9.0, completely removed from the sources. Kernel modules 431 atadisk and atapi*, user-level tools atacontrol and burncd are 432 removed. Kernel option `options ATA_CAM` is now permanently enabled 433 and removed. 434 43520130319: 436 SOCK_CLOEXEC and SOCK_NONBLOCK flags have been added to socket(2) 437 and socketpair(2). Software, in particular Kerberos, may 438 automatically detect and use these during building. The resulting 439 binaries will not work on older kernels. 440 44120130308: 442 CTL_DISABLE has also been added to the sparc64 GENERIC (for further 443 information, see the respective 20130304 entry). 444 44520130304: 446 Recent commits to callout(9) changed the size of struct callout, 447 so the KBI is probably heavily disturbed. Also, some functions 448 in callout(9)/sleep(9)/sleepqueue(9)/condvar(9) KPIs were replaced 449 by macros. Every kernel module using it won't load, so rebuild 450 is requested. 451 452 The ctl device has been re-enabled in GENERIC for i386 and amd64, 453 but does not initialize by default (because of the new CTL_DISABLE 454 option) to save memory. To re-enable it, remove the CTL_DISABLE 455 option from the kernel config file or set kern.cam.ctl.disable=0 456 in /boot/loader.conf. 457 45820130301: 459 The ctl device has been disabled in GENERIC for i386 and amd64. 460 This was done due to the extra memory being allocated at system 461 initialisation time by the ctl driver which was only used if 462 a CAM target device was created. This makes a FreeBSD system 463 unusable on 128MB or less of RAM. 464 46520130208: 466 A new compression method (lz4) has been merged to -HEAD. Please 467 refer to zpool-features(7) for more information. 468 469 Please refer to the "ZFS notes" section of this file for information 470 on upgrading boot ZFS pools. 471 47220130129: 473 A BSD-licensed patch(1) variant has been added and is installed 474 as bsdpatch, being the GNU version the default patch. 475 To inverse the logic and use the BSD-licensed one as default, 476 while having the GNU version installed as gnupatch, rebuild 477 and install world with the WITH_BSD_PATCH knob set. 478 47920130121: 480 Due to the use of the new -l option to install(1) during build 481 and install, you must take care not to directly set the INSTALL 482 make variable in your /etc/make.conf, /etc/src.conf, or on the 483 command line. If you wish to use the -C flag for all installs 484 you may be able to add INSTALL+=-C to /etc/make.conf or 485 /etc/src.conf. 486 48720130118: 488 The install(1) option -M has changed meaning and now takes an 489 argument that is a file or path to append logs to. In the 490 unlikely event that -M was the last option on the command line 491 and the command line contained at least two files and a target 492 directory the first file will have logs appended to it. The -M 493 option served little practical purpose in the last decade so its 494 use is expected to be extremely rare. 495 49620121223: 497 After switching to Clang as the default compiler some users of ZFS 498 on i386 systems started to experience stack overflow kernel panics. 499 Please consider using 'options KSTACK_PAGES=4' in such configurations. 500 50120121222: 502 GEOM_LABEL now mangles label names read from file system metadata. 503 Mangling affect labels containing spaces, non-printable characters, 504 '%' or '"'. Device names in /etc/fstab and other places may need to 505 be updated. 506 50720121217: 508 By default, only the 10 most recent kernel dumps will be saved. To 509 restore the previous behaviour (no limit on the number of kernel dumps 510 stored in the dump directory) add the following line to /etc/rc.conf: 511 512 savecore_flags="" 513 51420121201: 515 With the addition of auditdistd(8), a new auditdistd user is now 516 required during installworld. "mergemaster -p" can be used to 517 add the user prior to installworld, as documented in the handbook. 518 51920121117: 520 The sin6_scope_id member variable in struct sockaddr_in6 is now 521 filled by the kernel before passing the structure to the userland via 522 sysctl or routing socket. This means the KAME-specific embedded scope 523 id in sin6_addr.s6_addr[2] is always cleared in userland application. 524 This behavior can be controlled by net.inet6.ip6.deembed_scopeid. 525 __FreeBSD_version is bumped to 1000025. 526 52720121105: 528 On i386 and amd64 systems WITH_CLANG_IS_CC is now the default. 529 This means that the world and kernel will be compiled with clang 530 and that clang will be installed as /usr/bin/cc, /usr/bin/c++, 531 and /usr/bin/cpp. To disable this behavior and revert to building 532 with gcc, compile with WITHOUT_CLANG_IS_CC. Really old versions 533 of current may need to bootstrap WITHOUT_CLANG first if the clang 534 build fails (its compatibility window doesn't extend to the 9 stable 535 branch point). 536 53720121102: 538 The IPFIREWALL_FORWARD kernel option has been removed. Its 539 functionality now turned on by default. 540 54120121023: 542 The ZERO_COPY_SOCKET kernel option has been removed and 543 split into SOCKET_SEND_COW and SOCKET_RECV_PFLIP. 544 NB: SOCKET_SEND_COW uses the VM page based copy-on-write 545 mechanism which is not safe and may result in kernel crashes. 546 NB: The SOCKET_RECV_PFLIP mechanism is useless as no current 547 driver supports disposeable external page sized mbuf storage. 548 Proper replacements for both zero-copy mechanisms are under 549 consideration and will eventually lead to complete removal 550 of the two kernel options. 551 55220121023: 553 The IPv4 network stack has been converted to network byte 554 order. The following modules need to be recompiled together 555 with kernel: carp(4), divert(4), gif(4), siftr(4), gre(4), 556 pf(4), ipfw(4), ng_ipfw(4), stf(4). 557 55820121022: 559 Support for non-MPSAFE filesystems was removed from VFS. The 560 VFS_VERSION was bumped, all filesystem modules shall be 561 recompiled. 562 56320121018: 564 All the non-MPSAFE filesystems have been disconnected from 565 the build. The full list includes: codafs, hpfs, ntfs, nwfs, 566 portalfs, smbfs, xfs. 567 56820121016: 569 The interface cloning API and ABI has changed. The following 570 modules need to be recompiled together with kernel: 571 ipfw(4), pfsync(4), pflog(4), usb(4), wlan(4), stf(4), 572 vlan(4), disc(4), edsc(4), if_bridge(4), gif(4), tap(4), 573 faith(4), epair(4), enc(4), tun(4), if_lagg(4), gre(4). 574 57520121015: 576 The sdhci driver was split in two parts: sdhci (generic SD Host 577 Controller logic) and sdhci_pci (actual hardware driver). 578 No kernel config modifications are required, but if you 579 load sdhc as a module you must switch to sdhci_pci instead. 580 58120121014: 582 Import the FUSE kernel and userland support into base system. 583 58420121013: 585 The GNU sort(1) program has been removed since the BSD-licensed 586 sort(1) has been the default for quite some time and no serious 587 problems have been reported. The corresponding WITH_GNU_SORT 588 knob has also gone. 589 59020121006: 591 The pfil(9) API/ABI for AF_INET family has been changed. Packet 592 filtering modules: pf(4), ipfw(4), ipfilter(4) need to be recompiled 593 with new kernel. 594 59520121001: 596 The net80211(4) ABI has been changed to allow for improved driver 597 PS-POLL and power-save support. All wireless drivers need to be 598 recompiled to work with the new kernel. 599 60020120913: 601 The random(4) support for the VIA hardware random number 602 generator (`PADLOCK') is no longer enabled unconditionally. 603 Add the padlock_rng device in the custom kernel config if 604 needed. The GENERIC kernels on i386 and amd64 do include the 605 device, so the change only affects the custom kernel 606 configurations. 607 60820120908: 609 The pf(4) packet filter ABI has been changed. pfctl(8) and 610 snmp_pf module need to be recompiled to work with new kernel. 611 61220120828: 613 A new ZFS feature flag "com.delphix:empty_bpobj" has been merged 614 to -HEAD. Pools that have empty_bpobj in active state can not be 615 imported read-write with ZFS implementations that do not support 616 this feature. For more information read the zpool-features(5) 617 manual page. 618 61920120727: 620 The sparc64 ZFS loader has been changed to no longer try to auto- 621 detect ZFS providers based on diskN aliases but now requires these 622 to be explicitly listed in the OFW boot-device environment variable. 623 62420120712: 625 The OpenSSL has been upgraded to 1.0.1c. Any binaries requiring 626 libcrypto.so.6 or libssl.so.6 must be recompiled. Also, there are 627 configuration changes. Make sure to merge /etc/ssl/openssl.cnf. 628 62920120712: 630 The following sysctls and tunables have been renamed for consistency 631 with other variables: 632 kern.cam.da.da_send_ordered -> kern.cam.da.send_ordered 633 kern.cam.ada.ada_send_ordered -> kern.cam.ada.send_ordered 634 63520120628: 636 The sort utility has been replaced with BSD sort. For now, GNU sort 637 is also available as "gnusort" or the default can be set back to 638 GNU sort by setting WITH_GNU_SORT. In this case, BSD sort will be 639 installed as "bsdsort". 640 64120120611: 642 A new version of ZFS (pool version 5000) has been merged to -HEAD. 643 Starting with this version the old system of ZFS pool versioning 644 is superseded by "feature flags". This concept enables forward 645 compatibility against certain future changes in functionality of ZFS 646 pools. The first read-only compatible "feature flag" for ZFS pools 647 is named "com.delphix:async_destroy". For more information 648 read the new zpool-features(5) manual page. 649 Please refer to the "ZFS notes" section of this file for information 650 on upgrading boot ZFS pools. 651 65220120417: 653 The malloc(3) implementation embedded in libc now uses sources imported 654 as contrib/jemalloc. The most disruptive API change is to 655 /etc/malloc.conf. If your system has an old-style /etc/malloc.conf, 656 delete it prior to installworld, and optionally re-create it using the 657 new format after rebooting. See malloc.conf(5) for details 658 (specifically the TUNING section and the "opt.*" entries in the MALLCTL 659 NAMESPACE section). 660 66120120328: 662 Big-endian MIPS TARGET_ARCH values no longer end in "eb". mips64eb 663 is now spelled mips64. mipsn32eb is now spelled mipsn32. mipseb is 664 now spelled mips. This is to aid compatibility with third-party 665 software that expects this naming scheme in uname(3). Little-endian 666 settings are unchanged. If you are updating a big-endian mips64 machine 667 from before this change, you may need to set MACHINE_ARCH=mips64 in 668 your environment before the new build system will recognize your machine. 669 67020120306: 671 Disable by default the option VFS_ALLOW_NONMPSAFE for all supported 672 platforms. 673 67420120229: 675 Now unix domain sockets behave "as expected" on nullfs(5). Previously 676 nullfs(5) did not pass through all behaviours to the underlying layer, 677 as a result if we bound to a socket on the lower layer we could connect 678 only to the lower path; if we bound to the upper layer we could connect 679 only to the upper path. The new behavior is one can connect to both the 680 lower and the upper paths regardless what layer path one binds to. 681 68220120211: 683 The getifaddrs upgrade path broken with 20111215 has been restored. 684 If you have upgraded in between 20111215 and 20120209 you need to 685 recompile libc again with your kernel. You still need to recompile 686 world to be able to configure CARP but this restriction already 687 comes from 20111215. 688 68920120114: 690 The set_rcvar() function has been removed from /etc/rc.subr. All 691 base and ports rc.d scripts have been updated, so if you have a 692 port installed with a script in /usr/local/etc/rc.d you can either 693 hand-edit the rcvar= line, or reinstall the port. 694 695 An easy way to handle the mass-update of /etc/rc.d: 696 rm /etc/rc.d/* && mergemaster -i 697 69820120109: 699 panic(9) now stops other CPUs in the SMP systems, disables interrupts 700 on the current CPU and prevents other threads from running. 701 This behavior can be reverted using the kern.stop_scheduler_on_panic 702 tunable/sysctl. 703 The new behavior can be incompatible with kern.sync_on_panic. 704 70520111215: 706 The carp(4) facility has been changed significantly. Configuration 707 of the CARP protocol via ifconfig(8) has changed, as well as format 708 of CARP events submitted to devd(8) has changed. See manual pages 709 for more information. The arpbalance feature of carp(4) is currently 710 not supported anymore. 711 712 Size of struct in_aliasreq, struct in6_aliasreq has changed. User 713 utilities using SIOCAIFADDR, SIOCAIFADDR_IN6, e.g. ifconfig(8), 714 need to be recompiled. 715 71620111122: 717 The acpi_wmi(4) status device /dev/wmistat has been renamed to 718 /dev/wmistat0. 719 72020111108: 721 The option VFS_ALLOW_NONMPSAFE option has been added in order to 722 explicitely support non-MPSAFE filesystems. 723 It is on by default for all supported platform at this present 724 time. 725 72620111101: 727 The broken amd(4) driver has been replaced with esp(4) in the amd64, 728 i386 and pc98 GENERIC kernel configuration files. 729 73020110930: 731 sysinstall has been removed 732 73320110923: 734 The stable/9 branch created in subversion. This corresponds to the 735 RELENG_9 branch in CVS. 736 73720110913: 738 This commit modifies vfs_register() so that it uses a hash 739 calculation to set vfc_typenum, which is enabled by default. 740 The first time a system is booted after this change, the 741 vfc_typenum values will change for all file systems. The 742 main effect of this is a change to the NFS server file handles 743 for file systems that use vfc_typenum in their fsid, such as ZFS. 744 It will, however, prevent vfc_typenum from changing when file 745 systems are loaded in a different order for subsequent reboots. 746 To disable this, you can set vfs.typenumhash=0 in /boot/loader.conf 747 until you are ready to remount all NFS clients after a reboot. 748 74920110828: 750 Bump the shared library version numbers for libraries that 751 do not use symbol versioning, have changed the ABI compared 752 to stable/8 and which shared library version was not bumped. 753 Done as part of 9.0-RELEASE cycle. 754 75520110815: 756 During the merge of Capsicum features, the fget(9) KPI was modified. 757 This may require the rebuilding of out-of-tree device drivers -- 758 issues have been reported specifically with the nVidia device driver. 759 __FreeBSD_version is bumped to 900041. 760 761 Also, there is a period between 20110811 and 20110814 where the 762 special devices /dev/{stdin,stdout,stderr} did not work correctly. 763 Building world from a kernel during that window may not work. 764 76520110628: 766 The packet filter (pf) code has been updated to OpenBSD 4.5. 767 You need to update userland tools to be in sync with kernel. 768 This update breaks backward compatibility with earlier pfsync(4) 769 versions. Care must be taken when updating redundant firewall setups. 770 77120110608: 772 The following sysctls and tunables are retired on x86 platforms: 773 machdep.hlt_cpus 774 machdep.hlt_logical_cpus 775 The following sysctl is retired: 776 machdep.hyperthreading_allowed 777 The sysctls were supposed to provide a way to dynamically offline and 778 online selected CPUs on x86 platforms, but the implementation has not 779 been reliable especially with SCHED_ULE scheduler. 780 machdep.hyperthreading_allowed tunable is still available to ignore 781 hyperthreading CPUs at OS level. 782 Individual CPUs can be disabled using hint.lapic.X.disabled tunable, 783 where X is an APIC ID of a CPU. Be advised, though, that disabling 784 CPUs in non-uniform fashion will result in non-uniform topology and 785 may lead to sub-optimal system performance with SCHED_ULE, which is 786 a default scheduler. 787 78820110607: 789 cpumask_t type is retired and cpuset_t is used in order to describe 790 a mask of CPUs. 791 79220110531: 793 Changes to ifconfig(8) for dynamic address family detection mandate 794 that you are running a kernel of 20110525 or later. Make sure to 795 follow the update procedure to boot a new kernel before installing 796 world. 797 79820110513: 799 Support for sun4v architecture is officially dropped 800 80120110503: 802 Several KPI breaking changes have been committed to the mii(4) layer, 803 the PHY drivers and consequently some Ethernet drivers using mii(4). 804 This means that miibus.ko and the modules of the affected Ethernet 805 drivers need to be recompiled. 806 807 Note to kernel developers: Given that the OUI bit reversion problem 808 was fixed as part of these changes all mii(4) commits related to OUIs, 809 i.e. to sys/dev/mii/miidevs, PHY driver probing and vendor specific 810 handling, no longer can be merged verbatim to stable/8 and previous 811 branches. 812 81320110430: 814 Users of the Atheros AR71xx SoC code now need to add 'device ar71xx_pci' 815 into their kernel configurations along with 'device pci'. 816 81720110427: 818 The default NFS client is now the new NFS client, so fstype "newnfs" 819 is now "nfs" and the regular/old NFS client is now fstype "oldnfs". 820 Although mounts via fstype "nfs" will usually work without userland 821 changes, it is recommended that the mount(8) and mount_nfs(8) 822 commands be rebuilt from sources and that a link to mount_nfs called 823 mount_oldnfs be created. The new client is compiled into the 824 kernel with "options NFSCL" and this is needed for diskless root 825 file systems. The GENERIC kernel configs have been changed to use 826 NFSCL and NFSD (the new server) instead of NFSCLIENT and NFSSERVER. 827 To use the regular/old client, you can "mount -t oldnfs ...". For 828 a diskless root file system, you must also include a line like: 829 830 vfs.root.mountfrom="oldnfs:" 831 832 in the boot/loader.conf on the root fs on the NFS server to make 833 a diskless root fs use the old client. 834 83520110424: 836 The GENERIC kernels for all architectures now default to the new 837 CAM-based ATA stack. It means that all legacy ATA drivers were 838 removed and replaced by respective CAM drivers. If you are using 839 ATA device names in /etc/fstab or other places, make sure to update 840 them respectively (adX -> adaY, acdX -> cdY, afdX -> daY, astX -> saY, 841 where 'Y's are the sequential numbers starting from zero for each type 842 in order of detection, unless configured otherwise with tunables, 843 see cam(4)). There will be symbolic links created in /dev/ to map 844 old adX devices to the respective adaY. They should provide basic 845 compatibility for file systems mounting in most cases, but they do 846 not support old user-level APIs and do not have respective providers 847 in GEOM. Consider using updated management tools with new device names. 848 849 It is possible to load devices ahci, ata, siis and mvs as modules, 850 but option ATA_CAM should remain in kernel configuration to make ata 851 module work as CAM driver supporting legacy ATA controllers. Device ata 852 still can be used in modular fashion (atacore + ...). Modules atadisk 853 and atapi* are not used and won't affect operation in ATA_CAM mode. 854 Note that to use CAM-based ATA kernel should include CAM devices 855 scbus, pass, da (or explicitly ada), cd and optionally others. All of 856 them are parts of the cam module. 857 858 ataraid(4) functionality is now supported by the RAID GEOM class. 859 To use it you can load geom_raid kernel module and use graid(8) tool 860 for management. Instead of /dev/arX device names, use /dev/raid/rX. 861 862 No kernel config options or code have been removed, so if a problem 863 arises, please report it and optionally revert to the old ATA stack. 864 In order to do it you can remove from the kernel config: 865 options ATA_CAM 866 device ahci 867 device mvs 868 device siis 869 , and instead add back: 870 device atadisk # ATA disk drives 871 device ataraid # ATA RAID drives 872 device atapicd # ATAPI CDROM drives 873 device atapifd # ATAPI floppy drives 874 device atapist # ATAPI tape drives 875 87620110423: 877 The default NFS server has been changed to the new server, which 878 was referred to as the experimental server. If you need to switch 879 back to the old NFS server, you must now put the "-o" option on 880 both the mountd and nfsd commands. This can be done using the 881 mountd_flags and nfs_server_flags rc.conf variables until an 882 update to the rc scripts is committed, which is coming soon. 883 88420110418: 885 The GNU Objective-C runtime library (libobjc), and other Objective-C 886 related components have been removed from the base system. If you 887 require an Objective-C library, please use one of the available ports. 888 88920110331: 890 ath(4) has been split into bus- and device- modules. if_ath contains 891 the HAL, the TX rate control and the network device code. if_ath_pci 892 contains the PCI bus glue. For Atheros MIPS embedded systems, if_ath_ahb 893 contains the AHB glue. Users need to load both if_ath_pci and if_ath 894 in order to use ath on everything else. 895 896 TO REPEAT: if_ath_ahb is not needed for normal users. Normal users only 897 need to load if_ath and if_ath_pci for ath(4) operation. 898 89920110314: 900 As part of the replacement of sysinstall, the process of building 901 release media has changed significantly. For details, please re-read 902 release(7), which has been updated to reflect the new build process. 903 90420110218: 905 GNU binutils 2.17.50 (as of 2007-07-03) has been merged to -HEAD. This 906 is the last available version under GPLv2. It brings a number of new 907 features, such as support for newer x86 CPU's (with SSE-3, SSSE-3, SSE 908 4.1 and SSE 4.2), better support for powerpc64, a number of new 909 directives, and lots of other small improvements. See the ChangeLog 910 file in contrib/binutils for the full details. 911 91220110218: 913 IPsec's HMAC_SHA256-512 support has been fixed to be RFC4868 914 compliant, and will now use half of hash for authentication. 915 This will break interoperability with all stacks (including all 916 actual FreeBSD versions) who implement 917 draft-ietf-ipsec-ciph-sha-256-00 (they use 96 bits of hash for 918 authentication). 919 The only workaround with such peers is to use another HMAC 920 algorithm for IPsec ("phase 2") authentication. 921 92220110207: 923 Remove the uio_yield prototype and symbol. This function has 924 been misnamed since it was introduced and should not be 925 globally exposed with this name. The equivalent functionality 926 is now available using kern_yield(curthread->td_user_pri). 927 The function remains undocumented. 928 92920110112: 930 A SYSCTL_[ADD_]UQUAD was added for unsigned uint64_t pointers, 931 symmetric with the existing SYSCTL_[ADD_]QUAD. Type checking 932 for scalar sysctls is defined but disabled. Code that needs 933 UQUAD to pass the type checking that must compile on older 934 systems where the define is not present can check against 935 __FreeBSD_version >= 900030. 936 937 The system dialog(1) has been replaced with a new version previously 938 in ports as devel/cdialog. dialog(1) is mostly command-line compatible 939 with the previous version, but the libdialog associated with it has 940 a largely incompatible API. As such, the original version of libdialog 941 will be kept temporarily as libodialog, until its base system consumers 942 are replaced or updated. Bump __FreeBSD_version to 900030. 943 94420110103: 945 If you are trying to run make universe on a -stable system, and you get 946 the following warning: 947 "Makefile", line 356: "Target architecture for i386/conf/GENERIC 948 unknown. config(8) likely too old." 949 or something similar to it, then you must upgrade your -stable system 950 to 8.2-Release or newer (really, any time after r210146 7/15/2010 in 951 stable/8) or build the config from the latest stable/8 branch and 952 install it on your system. 953 954 Prior to this date, building a current universe on 8-stable system from 955 between 7/15/2010 and 1/2/2011 would result in a weird shell parsing 956 error in the first kernel build phase. A new config on those old 957 systems will fix that problem for older versions of -current. 958 95920101228: 960 The TCP stack has been modified to allow Khelp modules to interact with 961 it via helper hook points and store per-connection data in the TCP 962 control block. Bump __FreeBSD_version to 900029. User space tools that 963 rely on the size of struct tcpcb in tcp_var.h (e.g. sockstat) need to 964 be recompiled. 965 96620101114: 967 Generic IEEE 802.3 annex 31B full duplex flow control support has been 968 added to mii(4) and bge(4), bce(4), msk(4), nfe(4) and stge(4) along 969 with brgphy(4), e1000phy(4) as well as ip1000phy() have been converted 970 to take advantage of it instead of using custom implementations. This 971 means that these drivers now no longer unconditionally advertise 972 support for flow control but only do so if flow control is a selected 973 media option. This was implemented in the generic support that way in 974 order to allow flow control to be switched on and off via ifconfig(8) 975 with the PHY specific default to typically off in order to protect 976 from unwanted effects. Consequently, if you used flow control with 977 one of the above mentioned drivers you now need to explicitly enable 978 it, for example via: 979 ifconfig bge0 media auto mediaopt flowcontrol 980 981 Along with the above mentioned changes generic support for setting 982 1000baseT master mode also has been added and brgphy(4), ciphy(4), 983 e1000phy(4) as well as ip1000phy(4) have been converted to take 984 advantage of it. This means that these drivers now no longer take the 985 link0 parameter for selecting master mode but the master media option 986 has to be used instead, for example like in the following: 987 ifconfig bge0 media 1000baseT mediaopt full-duplex,master 988 989 Selection of master mode now is also available with all other PHY 990 drivers supporting 1000baseT. 991 99220101111: 993 The TCP stack has received a significant update to add support for 994 modularised congestion control and generally improve the clarity of 995 congestion control decisions. Bump __FreeBSD_version to 900025. User 996 space tools that rely on the size of struct tcpcb in tcp_var.h (e.g. 997 sockstat) need to be recompiled. 998 99920101002: 1000 The man(1) utility has been replaced by a new version that no longer 1001 uses /etc/manpath.config. Please consult man.conf(5) for how to 1002 migrate local entries to the new format. 1003 100420100928: 1005 The copyright strings printed by login(1) and sshd(8) at the time of a 1006 new connection have been removed to follow other operating systems and 1007 upstream sshd. 1008 100920100915: 1010 A workaround for a fixed ld bug has been removed in kernel code, 1011 so make sure that your system ld is built from sources after 1012 revision 210245 from 2010-07-19 (r211583 if building head kernel 1013 on stable/8, r211584 for stable/7; both from 2010-08-21). 1014 A symptom of incorrect ld version is different addresses for 1015 set_pcpu section and __start_set_pcpu symbol in kernel and/or modules. 1016 101720100913: 1018 The $ipv6_prefer variable in rc.conf(5) has been split into 1019 $ip6addrctl_policy and $ipv6_activate_all_interfaces. 1020 1021 The $ip6addrctl_policy is a variable to choose a pre-defined 1022 address selection policy set by ip6addrctl(8). A value 1023 "ipv4_prefer", "ipv6_prefer" or "AUTO" can be specified. The 1024 default is "AUTO". 1025 1026 The $ipv6_activate_all_interfaces specifies whether IFDISABLED 1027 flag (see an entry of 20090926) is set on an interface with no 1028 corresponding $ifconfig_IF_ipv6 line. The default is "NO" for 1029 security reason. If you want IPv6 link-local address on all 1030 interfaces by default, set this to "YES". 1031 1032 The old ipv6_prefer="YES" is equivalent to 1033 ipv6_activate_all_interfaces="YES" and 1034 ip6addrctl_policy="ipv6_prefer". 1035 103620100913: 1037 DTrace has grown support for userland tracing. Due to this, DTrace is 1038 now i386 and amd64 only. 1039 dtruss(1) is now installed by default on those systems and a new 1040 kernel module is needed for userland tracing: fasttrap. 1041 No changes to your kernel config file are necessary to enable 1042 userland tracing, but you might consider adding 'STRIP=' and 1043 'CFLAGS+=-fno-omit-frame-pointer' to your make.conf if you want 1044 to have informative userland stack traces in DTrace (ustack). 1045 104620100725: 1047 The acpi_aiboost(4) driver has been removed in favor of the new 1048 aibs(4) driver. You should update your kernel configuration file. 1049 105020100722: 1051 BSD grep has been imported to the base system and it is built by 1052 default. It is completely BSD licensed, highly GNU-compatible, uses 1053 less memory than its GNU counterpart and has a small codebase. 1054 However, it is slower than its GNU counterpart, which is mostly 1055 noticeable for larger searches, for smaller ones it is measurable 1056 but not significant. The reason is complex, the most important factor 1057 is that we lack a modern and efficient regex library and GNU 1058 overcomes this by optimizing the searches internally. Future work 1059 on improving the regex performance is planned, for the meantime, 1060 users that need better performance, can build GNU grep instead by 1061 setting the WITH_GNU_GREP knob. 1062 106320100713: 1064 Due to the import of powerpc64 support, all existing powerpc kernel 1065 configuration files must be updated with a machine directive like this: 1066 machine powerpc powerpc 1067 1068 In addition, an updated config(8) is required to build powerpc kernels 1069 after this change. 1070 107120100713: 1072 A new version of ZFS (version 15) has been merged to -HEAD. 1073 This version uses a python library for the following subcommands: 1074 zfs allow, zfs unallow, zfs groupspace, zfs userspace. 1075 For full functionality of these commands the following port must 1076 be installed: sysutils/py-zfs 1077 107820100429: 1079 'vm_page's are now hashed by physical address to an array of mutexes. 1080 Currently this is only used to serialize access to hold_count. Over 1081 time the page queue mutex will be peeled away. This changes the size 1082 of pmap on every architecture. And requires all callers of vm_page_hold 1083 and vm_page_unhold to be updated. 1084 108520100402: 1086 WITH_CTF can now be specified in src.conf (not recommended, there 1087 are some problems with static executables), make.conf (would also 1088 affect ports which do not use GNU make and do not override the 1089 compile targets) or in the kernel config (via "makeoptions 1090 WITH_CTF=yes"). 1091 When WITH_CTF was specified there before this was silently ignored, 1092 so make sure that WITH_CTF is not used in places which could lead 1093 to unwanted behavior. 1094 109520100311: 1096 The kernel option COMPAT_IA32 has been replaced with COMPAT_FREEBSD32 1097 to allow 32-bit compatibility on non-x86 platforms. All kernel 1098 configurations on amd64 and ia64 platforms using these options must 1099 be modified accordingly. 1100 110120100113: 1102 The utmp user accounting database has been replaced with utmpx, 1103 the user accounting interface standardized by POSIX. 1104 Unfortunately the semantics of utmp and utmpx don't match, 1105 making it practically impossible to support both interfaces. 1106 The user accounting database is used by tools like finger(1), 1107 last(1), talk(1), w(1) and ac(8). 1108 1109 All applications in the base system use utmpx. This means only 1110 local binaries (e.g. from the ports tree) may still use these 1111 utmp database files. These applications must be rebuilt to make 1112 use of utmpx. 1113 1114 After the system has been upgraded, it is safe to remove the old 1115 log files (/var/run/utmp, /var/log/lastlog and /var/log/wtmp*), 1116 assuming their contents is of no importance anymore. Old wtmp 1117 databases can only be used by last(1) and ac(8) after they have 1118 been converted to the new format using wtmpcvt(1). 1119 112020100108: 1121 Introduce the kernel thread "deadlock resolver" (which can be enabled 1122 via the DEADLKRES option, see NOTES for more details) and the 1123 sleepq_type() function for sleepqueues. 1124 112520091202: 1126 The rc.firewall and rc.firewall6 were unified, and 1127 rc.firewall6 and rc.d/ip6fw were removed. 1128 According to the removal of rc.d/ip6fw, ipv6_firewall_* rc 1129 variables are obsoleted. Instead, the following new rc 1130 variables are added to rc.d/ipfw: 1131 1132 firewall_client_net_ipv6, firewall_simple_iif_ipv6, 1133 firewall_simple_inet_ipv6, firewall_simple_oif_ipv6, 1134 firewall_simple_onet_ipv6, firewall_trusted_ipv6 1135 1136 The meanings correspond to the relevant IPv4 variables. 1137 113820091125: 1139 8.0-RELEASE. 1140 114120091113: 1142 The default terminal emulation for syscons(4) has been changed 1143 from cons25 to xterm on all platforms except pc98. This means 1144 that the /etc/ttys file needs to be updated to ensure correct 1145 operation of applications on the console. 1146 1147 The terminal emulation style can be toggled per window by using 1148 vidcontrol(1)'s -T flag. The TEKEN_CONS25 kernel configuration 1149 options can be used to change the compile-time default back to 1150 cons25. 1151 1152 To prevent graphical artifacts, make sure the TERM environment 1153 variable is set to match the terminal emulation that is being 1154 performed by syscons(4). 1155 115620091109: 1157 The layout of the structure ieee80211req_scan_result has changed. 1158 Applications that require wireless scan results (e.g. ifconfig(8)) 1159 from net80211 need to be recompiled. 1160 1161 Applications such as wpa_supplicant(8) may require a full world 1162 build without using NO_CLEAN in order to get synchronized with the 1163 new structure. 1164 116520091025: 1166 The iwn(4) driver has been updated to support the 5000 and 5150 series. 1167 There's one kernel module for each firmware. Adding "device iwnfw" 1168 to the kernel configuration file means including all three firmware 1169 images inside the kernel. If you want to include just the one for 1170 your wireless card, use the devices iwn4965fw, iwn5000fw or 1171 iwn5150fw. 1172 117320090926: 1174 The rc.d/network_ipv6, IPv6 configuration script has been integrated 1175 into rc.d/netif. The changes are the following: 1176 1177 1. To use IPv6, simply define $ifconfig_IF_ipv6 like $ifconfig_IF 1178 for IPv4. For aliases, $ifconfig_IF_aliasN should be used. 1179 Note that both variables need the "inet6" keyword at the head. 1180 1181 Do not set $ipv6_network_interfaces manually if you do not 1182 understand what you are doing. It is not needed in most cases. 1183 1184 $ipv6_ifconfig_IF and $ipv6_ifconfig_IF_aliasN still work, but 1185 they are obsolete. 1186 1187 2. $ipv6_enable is obsolete. Use $ipv6_prefer and 1188 "inet6 accept_rtadv" keyword in ifconfig(8) instead. 1189 1190 If you define $ipv6_enable=YES, it means $ipv6_prefer=YES and 1191 all configured interfaces have "inet6 accept_rtadv" in the 1192 $ifconfig_IF_ipv6. These are for backward compatibility. 1193 1194 3. A new variable $ipv6_prefer has been added. If NO, IPv6 1195 functionality of interfaces with no corresponding 1196 $ifconfig_IF_ipv6 is disabled by using "inet6 ifdisabled" flag, 1197 and the default address selection policy of ip6addrctl(8) 1198 is the IPv4-preferred one (see rc.d/ip6addrctl for more details). 1199 Note that if you want to configure IPv6 functionality on the 1200 disabled interfaces after boot, first you need to clear the flag by 1201 using ifconfig(8) like: 1202 1203 ifconfig em0 inet6 -ifdisabled 1204 1205 If YES, the default address selection policy is set as 1206 IPv6-preferred. 1207 1208 The default value of $ipv6_prefer is NO. 1209 1210 4. If your system need to receive Router Advertisement messages, 1211 define "inet6 accept_rtadv" in $ifconfig_IF_ipv6. The rc(8) 1212 scripts automatically invoke rtsol(8) when the interface becomes 1213 UP. The Router Advertisement messages are used for SLAAC 1214 (State-Less Address AutoConfiguration). 1215 121620090922: 1217 802.11s D3.03 support was committed. This is incompatible with the 1218 previous code, which was based on D3.0. 1219 122020090912: 1221 A sysctl variable net.inet6.ip6.accept_rtadv now sets the default value 1222 of a per-interface flag ND6_IFF_ACCEPT_RTADV, not a global knob to 1223 control whether accepting Router Advertisement messages or not. 1224 Also, a per-interface flag ND6_IFF_AUTO_LINKLOCAL has been added and 1225 a sysctl variable net.inet6.ip6.auto_linklocal is its default value. 1226 The ifconfig(8) utility now supports these flags. 1227 122820090910: 1229 ZFS snapshots are now mounted with MNT_IGNORE flag. Use -v option for 1230 mount(8) and -a option for df(1) to see them. 1231 123220090825: 1233 The old tunable hw.bus.devctl_disable has been superseded by 1234 hw.bus.devctl_queue. hw.bus.devctl_disable=1 in loader.conf should be 1235 replaced by hw.bus.devctl_queue=0. The default for this new tunable 1236 is 1000. 1237 123820090813: 1239 Remove the option STOP_NMI. The default action is now to use NMI only 1240 for KDB via the newly introduced function stop_cpus_hard() and 1241 maintain stop_cpus() to just use a normal IPI_STOP on ia32 and amd64. 1242 124320090803: 1244 The stable/8 branch created in subversion. This corresponds to the 1245 RELENG_8 branch in CVS. 1246 124720090719: 1248 Bump the shared library version numbers for all libraries that do not 1249 use symbol versioning as part of the 8.0-RELEASE cycle. Bump 1250 __FreeBSD_version to 800105. 1251 125220090714: 1253 Due to changes in the implementation of virtual network stack support, 1254 all network-related kernel modules must be recompiled. As this change 1255 breaks the ABI, bump __FreeBSD_version to 800104. 1256 125720090713: 1258 The TOE interface to the TCP syncache has been modified to remove 1259 struct tcpopt (<netinet/tcp_var.h>) from the ABI of the network stack. 1260 The cxgb driver is the only TOE consumer affected by this change, and 1261 needs to be recompiled along with the kernel. As this change breaks 1262 the ABI, bump __FreeBSD_version to 800103. 1263 126420090712: 1265 Padding has been added to struct tcpcb, sackhint and tcpstat in 1266 <netinet/tcp_var.h> to facilitate future MFCs and bug fixes whilst 1267 maintaining the ABI. However, this change breaks the ABI, so bump 1268 __FreeBSD_version to 800102. User space tools that rely on the size of 1269 any of these structs (e.g. sockstat) need to be recompiled. 1270 127120090630: 1272 The NFS_LEGACYRPC option has been removed along with the old kernel 1273 RPC implementation that this option selected. Kernel configurations 1274 may need to be adjusted. 1275 127620090629: 1277 The network interface device nodes at /dev/net/<interface> have been 1278 removed. All ioctl operations can be performed the normal way using 1279 routing sockets. The kqueue functionality can generally be replaced 1280 with routing sockets. 1281 128220090628: 1283 The documentation from the FreeBSD Documentation Project (Handbook, 1284 FAQ, etc.) is now installed via packages by sysinstall(8) and under 1285 the /usr/local/share/doc/freebsd directory instead of /usr/share/doc. 1286 128720090624: 1288 The ABI of various structures related to the SYSV IPC API have been 1289 changed. As a result, the COMPAT_FREEBSD[456] and COMPAT_43 kernel 1290 options now all require COMPAT_FREEBSD7. Bump __FreeBSD_version to 1291 800100. 1292 129320090622: 1294 Layout of struct vnet has changed as routing related variables were 1295 moved to their own Vimage module. Modules need to be recompiled. Bump 1296 __FreeBSD_version to 800099. 1297 129820090619: 1299 NGROUPS_MAX and NGROUPS have been increased from 16 to 1023 and 1024 1300 respectively. As long as no more than 16 groups per process are used, 1301 no changes should be visible. When more than 16 groups are used, old 1302 binaries may fail if they call getgroups() or getgrouplist() with 1303 statically sized storage. Recompiling will work around this, but 1304 applications should be modified to use dynamically allocated storage 1305 for group arrays as POSIX.1-2008 does not cap an implementation's 1306 number of supported groups at NGROUPS_MAX+1 as previous versions did. 1307 1308 NFS and portalfs mounts may also be affected as the list of groups is 1309 truncated to 16. Users of NFS who use more than 16 groups, should 1310 take care that negative group permissions are not used on the exported 1311 file systems as they will not be reliable unless a GSSAPI based 1312 authentication method is used. 1313 131420090616: 1315 The compiling option ADAPTIVE_LOCKMGRS has been introduced. This 1316 option compiles in the support for adaptive spinning for lockmgrs 1317 which want to enable it. The lockinit() function now accepts the flag 1318 LK_ADAPTIVE in order to make the lock object subject to adaptive 1319 spinning when both held in write and read mode. 1320 132120090613: 1322 The layout of the structure returned by IEEE80211_IOC_STA_INFO has 1323 changed. User applications that use this ioctl need to be rebuilt. 1324 132520090611: 1326 The layout of struct thread has changed. Kernel and modules need to 1327 be rebuilt. 1328 132920090608: 1330 The layout of structs ifnet, domain, protosw and vnet_net has changed. 1331 Kernel modules need to be rebuilt. Bump __FreeBSD_version to 800097. 1332 133320090602: 1334 window(1) has been removed from the base system. It can now be 1335 installed from ports. The port is called misc/window. 1336 133720090601: 1338 The way we are storing and accessing `routing table' entries has 1339 changed. Programs reading the FIB, like netstat, need to be 1340 re-compiled. 1341 134220090601: 1343 A new netisr implementation has been added for FreeBSD 8. Network 1344 file system modules, such as igmp, ipdivert, and others, should be 1345 rebuilt. 1346 Bump __FreeBSD_version to 800096. 1347 134820090530: 1349 Remove the tunable/sysctl debug.mpsafevfs as its initial purpose is no 1350 more valid. 1351 135220090530: 1353 Add VOP_ACCESSX(9). File system modules need to be rebuilt. 1354 Bump __FreeBSD_version to 800094. 1355 135620090529: 1357 Add mnt_xflag field to 'struct mount'. File system modules need to be 1358 rebuilt. 1359 Bump __FreeBSD_version to 800093. 1360 136120090528: 1362 The compiling option ADAPTIVE_SX has been retired while it has been 1363 introduced the option NO_ADAPTIVE_SX which handles the reversed logic. 1364 The KPI for sx_init_flags() changes as accepting flags: 1365 SX_ADAPTIVESPIN flag has been retired while the SX_NOADAPTIVE flag has 1366 been introduced in order to handle the reversed logic. 1367 Bump __FreeBSD_version to 800092. 1368 136920090527: 1370 Add support for hierarchical jails. Remove global securelevel. 1371 Bump __FreeBSD_version to 800091. 1372 137320090523: 1374 The layout of struct vnet_net has changed, therefore modules 1375 need to be rebuilt. 1376 Bump __FreeBSD_version to 800090. 1377 137820090523: 1379 The newly imported zic(8) produces a new format in the output. Please 1380 run tzsetup(8) to install the newly created data to /etc/localtime. 1381 138220090520: 1383 The sysctl tree for the usb stack has renamed from hw.usb2.* to 1384 hw.usb.* and is now consistent again with previous releases. 1385 138620090520: 1387 802.11 monitor mode support was revised and driver api's were changed. 1388 Drivers dependent on net80211 now support DLT_IEEE802_11_RADIO instead 1389 of DLT_IEEE802_11. No user-visible data structures were changed but 1390 applications that use DLT_IEEE802_11 may require changes. 1391 Bump __FreeBSD_version to 800088. 1392 139320090430: 1394 The layout of the following structs has changed: sysctl_oid, 1395 socket, ifnet, inpcbinfo, tcpcb, syncache_head, vnet_inet, 1396 vnet_inet6 and vnet_ipfw. Most modules need to be rebuild or 1397 panics may be experienced. World rebuild is required for 1398 correctly checking networking state from userland. 1399 Bump __FreeBSD_version to 800085. 1400 140120090429: 1402 MLDv2 and Source-Specific Multicast (SSM) have been merged 1403 to the IPv6 stack. VIMAGE hooks are in but not yet used. 1404 The implementation of SSM within FreeBSD's IPv6 stack closely 1405 follows the IPv4 implementation. 1406 1407 For kernel developers: 1408 1409 * The most important changes are that the ip6_output() and 1410 ip6_input() paths no longer take the IN6_MULTI_LOCK, 1411 and this lock has been downgraded to a non-recursive mutex. 1412 1413 * As with the changes to the IPv4 stack to support SSM, filtering 1414 of inbound multicast traffic must now be performed by transport 1415 protocols within the IPv6 stack. This does not apply to TCP and 1416 SCTP, however, it does apply to UDP in IPv6 and raw IPv6. 1417 1418 * The KPIs used by IPv6 multicast are similar to those used by 1419 the IPv4 stack, with the following differences: 1420 * im6o_mc_filter() is analogous to imo_multicast_filter(). 1421 * The legacy KAME entry points in6_joingroup and in6_leavegroup() 1422 are shimmed to in6_mc_join() and in6_mc_leave() respectively. 1423 * IN6_LOOKUP_MULTI() has been deprecated and removed. 1424 * IPv6 relies on MLD for the DAD mechanism. KAME's internal KPIs 1425 for MLDv1 have an additional 'timer' argument which is used to 1426 jitter the initial membership report for the solicited-node 1427 multicast membership on-link. 1428 * This is not strictly needed for MLDv2, which already jitters 1429 its report transmissions. However, the 'timer' argument is 1430 preserved in case MLDv1 is active on the interface. 1431 1432 * The KAME linked-list based IPv6 membership implementation has 1433 been refactored to use a vector similar to that used by the IPv4 1434 stack. 1435 Code which maintains a list of its own multicast memberships 1436 internally, e.g. carp, has been updated to reflect the new 1437 semantics. 1438 1439 * There is a known Lock Order Reversal (LOR) due to in6_setscope() 1440 acquiring the IF_AFDATA_LOCK and being called within ip6_output(). 1441 Whilst MLDv2 tries to avoid this otherwise benign LOR, it is an 1442 implementation constraint which needs to be addressed in HEAD. 1443 1444 For application developers: 1445 1446 * The changes are broadly similar to those made for the IPv4 1447 stack. 1448 1449 * The use of IPv4 and IPv6 multicast socket options on the same 1450 socket, using mapped addresses, HAS NOT been tested or supported. 1451 1452 * There are a number of issues with the implementation of various 1453 IPv6 multicast APIs which need to be resolved in the API surface 1454 before the implementation is fully compatible with KAME userland 1455 use, and these are mostly to do with interface index treatment. 1456 1457 * The literature available discusses the use of either the delta / ASM 1458 API with setsockopt(2)/getsockopt(2), or the full-state / ASM API 1459 using setsourcefilter(3)/getsourcefilter(3). For more information 1460 please refer to RFC 3768, 'Socket Interface Extensions for 1461 Multicast Source Filters'. 1462 1463 * Applications which use the published RFC 3678 APIs should be fine. 1464 1465 For systems administrators: 1466 1467 * The mtest(8) utility has been refactored to support IPv6, in 1468 addition to IPv4. Interface addresses are no longer accepted 1469 as arguments, their names must be used instead. The utility 1470 will map the interface name to its first IPv4 address as 1471 returned by getifaddrs(3). 1472 1473 * The ifmcstat(8) utility has also been updated to print the MLDv2 1474 endpoint state and source filter lists via sysctl(3). 1475 1476 * The net.inet6.ip6.mcast.loop sysctl may be tuned to 0 to disable 1477 loopback of IPv6 multicast datagrams by default; it defaults to 1 1478 to preserve the existing behaviour. Disabling multicast loopback is 1479 recommended for optimal system performance. 1480 1481 * The IPv6 MROUTING code has been changed to examine this sysctl 1482 instead of attempting to perform a group lookup before looping 1483 back forwarded datagrams. 1484 1485 Bump __FreeBSD_version to 800084. 1486 148720090422: 1488 Implement low-level Bluetooth HCI API. 1489 Bump __FreeBSD_version to 800083. 1490 149120090419: 1492 The layout of struct malloc_type, used by modules to register new 1493 memory allocation types, has changed. Most modules will need to 1494 be rebuilt or panics may be experienced. 1495 Bump __FreeBSD_version to 800081. 1496 149720090415: 1498 Anticipate overflowing inp_flags - add inp_flags2. 1499 This changes most offsets in inpcb, so checking v4 connection 1500 state will require a world rebuild. 1501 Bump __FreeBSD_version to 800080. 1502 150320090415: 1504 Add an llentry to struct route and struct route_in6. Modules 1505 embedding a struct route will need to be recompiled. 1506 Bump __FreeBSD_version to 800079. 1507 150820090414: 1509 The size of rt_metrics_lite and by extension rtentry has changed. 1510 Networking administration apps will need to be recompiled. 1511 The route command now supports show as an alias for get, weighting 1512 of routes, sticky and nostick flags to alter the behavior of stateful 1513 load balancing. 1514 Bump __FreeBSD_version to 800078. 1515 151620090408: 1517 Do not use Giant for kbdmux(4) locking. This is wrong and 1518 apparently causing more problems than it solves. This will 1519 re-open the issue where interrupt handlers may race with 1520 kbdmux(4) in polling mode. Typical symptoms include (but 1521 not limited to) duplicated and/or missing characters when 1522 low level console functions (such as gets) are used while 1523 interrupts are enabled (for example geli password prompt, 1524 mountroot prompt etc.). Disabling kbdmux(4) may help. 1525 152620090407: 1527 The size of structs vnet_net, vnet_inet and vnet_ipfw has changed; 1528 kernel modules referencing any of the above need to be recompiled. 1529 Bump __FreeBSD_version to 800075. 1530 153120090320: 1532 GEOM_PART has become the default partition slicer for storage devices, 1533 replacing GEOM_MBR, GEOM_BSD, GEOM_PC98 and GEOM_GPT slicers. It 1534 introduces some changes: 1535 1536 MSDOS/EBR: the devices created from MSDOS extended partition entries 1537 (EBR) can be named differently than with GEOM_MBR and are now symlinks 1538 to devices with offset-based names. fstabs may need to be modified. 1539 1540 BSD: the "geometry does not match label" warning is harmless in most 1541 cases but it points to problems in file system misalignment with 1542 disk geometry. The "c" partition is now implicit, covers the whole 1543 top-level drive and cannot be (mis)used by users. 1544 1545 General: Kernel dumps are now not allowed to be written to devices 1546 whose partition types indicate they are meant to be used for file 1547 systems (or, in case of MSDOS partitions, as something else than 1548 the "386BSD" type). 1549 1550 Most of these changes date approximately from 200812. 1551 155220090319: 1553 The uscanner(4) driver has been removed from the kernel. This follows 1554 Linux removing theirs in 2.6 and making libusb the default interface 1555 (supported by sane). 1556 155720090319: 1558 The multicast forwarding code has been cleaned up. netstat(1) 1559 only relies on KVM now for printing bandwidth upcall meters. 1560 The IPv4 and IPv6 modules are split into ip_mroute_mod and 1561 ip6_mroute_mod respectively. The config(5) options for statically 1562 compiling this code remain the same, i.e. 'options MROUTING'. 1563 156420090315: 1565 Support for the IFF_NEEDSGIANT network interface flag has been 1566 removed, which means that non-MPSAFE network device drivers are no 1567 longer supported. In particular, if_ar, if_sr, and network device 1568 drivers from the old (legacy) USB stack can no longer be built or 1569 used. 1570 157120090313: 1572 POSIX.1 Native Language Support (NLS) has been enabled in libc and 1573 a bunch of new language catalog files have also been added. 1574 This means that some common libc messages are now localized and 1575 they depend on the LC_MESSAGES environmental variable. 1576 157720090313: 1578 The k8temp(4) driver has been renamed to amdtemp(4) since 1579 support for Family 10 and Family 11 CPU families was added. 1580 158120090309: 1582 IGMPv3 and Source-Specific Multicast (SSM) have been merged 1583 to the IPv4 stack. VIMAGE hooks are in but not yet used. 1584 1585 For kernel developers, the most important changes are that the 1586 ip_output() and ip_input() paths no longer take the IN_MULTI_LOCK(), 1587 and this lock has been downgraded to a non-recursive mutex. 1588 1589 Transport protocols (UDP, Raw IP) are now responsible for filtering 1590 inbound multicast traffic according to group membership and source 1591 filters. The imo_multicast_filter() KPI exists for this purpose. 1592 Transports which do not use multicast (SCTP, TCP) already reject 1593 multicast by default. Forwarding and receive performance may improve 1594 as a mutex acquisition is no longer needed in the ip_input() 1595 low-level input path. in_addmulti() and in_delmulti() are shimmed 1596 to new KPIs which exist to support SSM in-kernel. 1597 1598 For application developers, it is recommended that loopback of 1599 multicast datagrams be disabled for best performance, as this 1600 will still cause the lock to be taken for each looped-back 1601 datagram transmission. The net.inet.ip.mcast.loop sysctl may 1602 be tuned to 0 to disable loopback by default; it defaults to 1 1603 to preserve the existing behaviour. 1604 1605 For systems administrators, to obtain best performance with 1606 multicast reception and multiple groups, it is always recommended 1607 that a card with a suitably precise hash filter is used. Hash 1608 collisions will still result in the lock being taken within the 1609 transport protocol input path to check group membership. 1610 1611 If deploying FreeBSD in an environment with IGMP snooping switches, 1612 it is recommended that the net.inet.igmp.sendlocal sysctl remain 1613 enabled; this forces 224.0.0.0/24 group membership to be announced 1614 via IGMP. 1615 1616 The size of 'struct igmpstat' has changed; netstat needs to be 1617 recompiled to reflect this. 1618 Bump __FreeBSD_version to 800070. 1619 162020090309: 1621 libusb20.so.1 is now installed as libusb.so.1 and the ports system 1622 updated to use it. This requires a buildworld/installworld in order to 1623 update the library and dependencies (usbconfig, etc). Its advisable to 1624 rebuild all ports which uses libusb. More specific directions are given 1625 in the ports collection UPDATING file. Any /etc/libmap.conf entries for 1626 libusb are no longer required and can be removed. 1627 162820090302: 1629 A workaround is committed to allow the creation of System V shared 1630 memory segment of size > 2 GB on the 64-bit architectures. 1631 Due to a limitation of the existing ABI, the shm_segsz member 1632 of the struct shmid_ds, returned by shmctl(IPC_STAT) call is 1633 wrong for large segments. Note that limits must be explicitly 1634 raised to allow such segments to be created. 1635 163620090301: 1637 The layout of struct ifnet has changed, requiring a rebuild of all 1638 network device driver modules. 1639 164020090227: 1641 The /dev handling for the new USB stack has changed, a 1642 buildworld/installworld is required for libusb20. 1643 164420090223: 1645 The new USB2 stack has now been permanently moved in and all kernel and 1646 module names reverted to their previous values (eg, usb, ehci, ohci, 1647 ums, ...). The old usb stack can be compiled in by prefixing the name 1648 with the letter 'o', the old usb modules have been removed. 1649 Updating entry 20090216 for xorg and 20090215 for libmap may still 1650 apply. 1651 165220090217: 1653 The rc.conf(5) option if_up_delay has been renamed to 1654 defaultroute_delay to better reflect its purpose. If you have 1655 customized this setting in /etc/rc.conf you need to update it to 1656 use the new name. 1657 165820090216: 1659 xorg 7.4 wants to configure its input devices via hald which does not 1660 yet work with USB2. If the keyboard/mouse does not work in xorg then 1661 add 1662 Option "AllowEmptyInput" "off" 1663 to your ServerLayout section. This will cause X to use the configured 1664 kbd and mouse sections from your xorg.conf. 1665 166620090215: 1667 The GENERIC kernels for all architectures now default to the new USB2 1668 stack. No kernel config options or code have been removed so if a 1669 problem arises please report it and optionally revert to the old USB 1670 stack. If you are loading USB kernel modules or have a custom kernel 1671 that includes GENERIC then ensure that usb names are also changed over, 1672 eg uftdi -> usb2_serial_ftdi. 1673 1674 Older programs linked against the ports libusb 0.1 need to be 1675 redirected to the new stack's libusb20. /etc/libmap.conf can 1676 be used for this: 1677 # Map old usb library to new one for usb2 stack 1678 libusb-0.1.so.8 libusb20.so.1 1679 168020090209: 1681 All USB ethernet devices now attach as interfaces under the name ueN 1682 (eg. ue0). This is to provide a predictable name as vendors often 1683 change usb chipsets in a product without notice. 1684 168520090203: 1686 The ichsmb(4) driver has been changed to require SMBus slave 1687 addresses be left-justified (xxxxxxx0b) rather than right-justified. 1688 All of the other SMBus controller drivers require left-justified 1689 slave addresses, so this change makes all the drivers provide the 1690 same interface. 1691 169220090201: 1693 INET6 statistics (struct ip6stat) was updated. 1694 netstat(1) needs to be recompiled. 1695 169620090119: 1697 NTFS has been removed from GENERIC kernel on amd64 to match 1698 GENERIC on i386. Should not cause any issues since mount_ntfs(8) 1699 will load ntfs.ko module automatically when NTFS support is 1700 actually needed, unless ntfs.ko is not installed or security 1701 level prohibits loading kernel modules. If either is the case, 1702 "options NTFS" has to be added into kernel config. 1703 170420090115: 1705 TCP Appropriate Byte Counting (RFC 3465) support added to kernel. 1706 New field in struct tcpcb breaks ABI, so bump __FreeBSD_version to 1707 800061. User space tools that rely on the size of struct tcpcb in 1708 tcp_var.h (e.g. sockstat) need to be recompiled. 1709 171020081225: 1711 ng_tty(4) module updated to match the new TTY subsystem. 1712 Due to API change, user-level applications must be updated. 1713 New API support added to mpd5 CVS and expected to be present 1714 in next mpd5.3 release. 1715 171620081219: 1717 With __FreeBSD_version 800060 the makefs tool is part of 1718 the base system (it was a port). 1719 172020081216: 1721 The afdata and ifnet locks have been changed from mutexes to 1722 rwlocks, network modules will need to be re-compiled. 1723 172420081214: 1725 __FreeBSD_version 800059 incorporates the new arp-v2 rewrite. 1726 RTF_CLONING, RTF_LLINFO and RTF_WASCLONED flags are eliminated. 1727 The new code reduced struct rtentry{} by 16 bytes on 32-bit 1728 architecture and 40 bytes on 64-bit architecture. The userland 1729 applications "arp" and "ndp" have been updated accordingly. 1730 The output from "netstat -r" shows only routing entries and 1731 none of the L2 information. 1732 173320081130: 1734 __FreeBSD_version 800057 marks the switchover from the 1735 binary ath hal to source code. Users must add the line: 1736 1737 options AH_SUPPORT_AR5416 1738 1739 to their kernel config files when specifying: 1740 1741 device ath_hal 1742 1743 The ath_hal module no longer exists; the code is now compiled 1744 together with the driver in the ath module. It is now 1745 possible to tailor chip support (i.e. reduce the set of chips 1746 and thereby the code size); consult ath_hal(4) for details. 1747 174820081121: 1749 __FreeBSD_version 800054 adds memory barriers to 1750 <machine/atomic.h>, new interfaces to ifnet to facilitate 1751 multiple hardware transmit queues for cards that support 1752 them, and a lock-less ring-buffer implementation to 1753 enable drivers to more efficiently manage queueing of 1754 packets. 1755 175620081117: 1757 A new version of ZFS (version 13) has been merged to -HEAD. 1758 This version has zpool attribute "listsnapshots" off by 1759 default, which means "zfs list" does not show snapshots, 1760 and is the same as Solaris behavior. 1761 176220081028: 1763 dummynet(4) ABI has changed. ipfw(8) needs to be recompiled. 1764 176520081009: 1766 The uhci, ohci, ehci and slhci USB Host controller drivers have 1767 been put into separate modules. If you load the usb module 1768 separately through loader.conf you will need to load the 1769 appropriate *hci module as well. E.g. for a UHCI-based USB 2.0 1770 controller add the following to loader.conf: 1771 1772 uhci_load="YES" 1773 ehci_load="YES" 1774 177520081009: 1776 The ABI used by the PMC toolset has changed. Please keep 1777 userland (libpmc(3)) and the kernel module (hwpmc(4)) in 1778 sync. 1779 178020081009: 1781 atapci kernel module now includes only generic PCI ATA 1782 driver. AHCI driver moved to ataahci kernel module. 1783 All vendor-specific code moved into separate kernel modules: 1784 ataacard, ataacerlabs, ataadaptec, ataamd, ataati, atacenatek, 1785 atacypress, atacyrix, atahighpoint, ataintel, ataite, atajmicron, 1786 atamarvell, atamicron, atanational, atanetcell, atanvidia, 1787 atapromise, ataserverworks, atasiliconimage, atasis, atavia 1788 178920080820: 1790 The TTY subsystem of the kernel has been replaced by a new 1791 implementation, which provides better scalability and an 1792 improved driver model. Most common drivers have been migrated to 1793 the new TTY subsystem, while others have not. The following 1794 drivers have not yet been ported to the new TTY layer: 1795 1796 PCI/ISA: 1797 cy, digi, rc, rp, sio 1798 1799 USB: 1800 ubser, ucycom 1801 1802 Line disciplines: 1803 ng_h4, ng_tty, ppp, sl, snp 1804 1805 Adding these drivers to your kernel configuration file shall 1806 cause compilation to fail. 1807 180820080818: 1809 ntpd has been upgraded to 4.2.4p5. 1810 181120080801: 1812 OpenSSH has been upgraded to 5.1p1. 1813 1814 For many years, FreeBSD's version of OpenSSH preferred DSA 1815 over RSA for host and user authentication keys. With this 1816 upgrade, we've switched to the vendor's default of RSA over 1817 DSA. This may cause upgraded clients to warn about unknown 1818 host keys even for previously known hosts. Users should 1819 follow the usual procedure for verifying host keys before 1820 accepting the RSA key. 1821 1822 This can be circumvented by setting the "HostKeyAlgorithms" 1823 option to "ssh-dss,ssh-rsa" in ~/.ssh/config or on the ssh 1824 command line. 1825 1826 Please note that the sequence of keys offered for 1827 authentication has been changed as well. You may want to 1828 specify IdentityFile in a different order to revert this 1829 behavior. 1830 183120080713: 1832 The sio(4) driver has been removed from the i386 and amd64 1833 kernel configuration files. This means uart(4) is now the 1834 default serial port driver on those platforms as well. 1835 1836 To prevent collisions with the sio(4) driver, the uart(4) driver 1837 uses different names for its device nodes. This means the 1838 onboard serial port will now most likely be called "ttyu0" 1839 instead of "ttyd0". You may need to reconfigure applications to 1840 use the new device names. 1841 1842 When using the serial port as a boot console, be sure to update 1843 /boot/device.hints and /etc/ttys before booting the new kernel. 1844 If you forget to do so, you can still manually specify the hints 1845 at the loader prompt: 1846 1847 set hint.uart.0.at="isa" 1848 set hint.uart.0.port="0x3F8" 1849 set hint.uart.0.flags="0x10" 1850 set hint.uart.0.irq="4" 1851 boot -s 1852 185320080609: 1854 The gpt(8) utility has been removed. Use gpart(8) to partition 1855 disks instead. 1856 185720080603: 1858 The version that Linuxulator emulates was changed from 2.4.2 1859 to 2.6.16. If you experience any problems with Linux binaries 1860 please try to set sysctl compat.linux.osrelease to 2.4.2 and 1861 if it fixes the problem contact emulation mailing list. 1862 186320080525: 1864 ISDN4BSD (I4B) was removed from the src tree. You may need to 1865 update a your kernel configuration and remove relevant entries. 1866 186720080509: 1868 I have checked in code to support multiple routing tables. 1869 See the man pages setfib(1) and setfib(2). 1870 This is a hopefully backwards compatible version, 1871 but to make use of it you need to compile your kernel 1872 with options ROUTETABLES=2 (or more up to 16). 1873 187420080420: 1875 The 802.11 wireless support was redone to enable multi-bss 1876 operation on devices that are capable. The underlying device 1877 is no longer used directly but instead wlanX devices are 1878 cloned with ifconfig. This requires changes to rc.conf files. 1879 For example, change: 1880 ifconfig_ath0="WPA DHCP" 1881 to 1882 wlans_ath0=wlan0 1883 ifconfig_wlan0="WPA DHCP" 1884 see rc.conf(5) for more details. In addition, mergemaster of 1885 /etc/rc.d is highly recommended. Simultaneous update of userland 1886 and kernel wouldn't hurt either. 1887 1888 As part of the multi-bss changes the wlan_scan_ap and wlan_scan_sta 1889 modules were merged into the base wlan module. All references 1890 to these modules (e.g. in kernel config files) must be removed. 1891 189220080408: 1893 psm(4) has gained write(2) support in native operation level. 1894 Arbitrary commands can be written to /dev/psm%d and status can 1895 be read back from it. Therefore, an application is responsible 1896 for status validation and error recovery. It is a no-op in 1897 other operation levels. 1898 189920080312: 1900 Support for KSE threading has been removed from the kernel. To 1901 run legacy applications linked against KSE libmap.conf may 1902 be used. The following libmap.conf may be used to ensure 1903 compatibility with any prior release: 1904 1905 libpthread.so.1 libthr.so.1 1906 libpthread.so.2 libthr.so.2 1907 libkse.so.3 libthr.so.3 1908 190920080301: 1910 The layout of struct vmspace has changed. This affects libkvm 1911 and any executables that link against libkvm and use the 1912 kvm_getprocs() function. In particular, but not exclusively, 1913 it affects ps(1), fstat(1), pkill(1), systat(1), top(1) and w(1). 1914 The effects are minimal, but it's advisable to upgrade world 1915 nonetheless. 1916 191720080229: 1918 The latest em driver no longer has support in it for the 1919 82575 adapter, this is now moved to the igb driver. The 1920 split was done to make new features that are incompatible 1921 with older hardware easier to do. 1922 192320080220: 1924 The new geom_lvm(4) geom class has been renamed to geom_linux_lvm(4), 1925 likewise the kernel option is now GEOM_LINUX_LVM. 1926 192720080211: 1928 The default NFS mount mode has changed from UDP to TCP for 1929 increased reliability. If you rely on (insecurely) NFS 1930 mounting across a firewall you may need to update your 1931 firewall rules. 1932 193320080208: 1934 Belatedly note the addition of m_collapse for compacting 1935 mbuf chains. 1936 193720080126: 1938 The fts(3) structures have been changed to use adequate 1939 integer types for their members and so to be able to cope 1940 with huge file trees. The old fts(3) ABI is preserved 1941 through symbol versioning in libc, so third-party binaries 1942 using fts(3) should still work, although they will not take 1943 advantage of the extended types. At the same time, some 1944 third-party software might fail to build after this change 1945 due to unportable assumptions made in its source code about 1946 fts(3) structure members. Such software should be fixed 1947 by its vendor or, in the worst case, in the ports tree. 1948 FreeBSD_version 800015 marks this change for the unlikely 1949 case that a portable fix is impossible. 1950 195120080123: 1952 To upgrade to -current after this date, you must be running 1953 FreeBSD not older than 6.0-RELEASE. Upgrading to -current 1954 from 5.x now requires a stop over at RELENG_6 or RELENG_7 systems. 1955 195620071128: 1957 The ADAPTIVE_GIANT kernel option has been retired because its 1958 functionality is the default now. 1959 196020071118: 1961 The AT keyboard emulation of sunkbd(4) has been turned on 1962 by default. In order to make the special symbols of the Sun 1963 keyboards driven by sunkbd(4) work under X these now have 1964 to be configured the same way as Sun USB keyboards driven 1965 by ukbd(4) (which also does AT keyboard emulation), f.e.: 1966 1967 Option "XkbLayout" "us" 1968 Option "XkbRules" "xorg" 1969 Option "XkbSymbols" "pc(pc105)+sun_vndr/usb(sun_usb)+us" 1970 197120071024: 1972 It has been decided that it is desirable to provide ABI 1973 backwards compatibility to the FreeBSD 4/5/6 versions of the 1974 PCIOCGETCONF, PCIOCREAD and PCIOCWRITE IOCTLs, which was 1975 broken with the introduction of PCI domain support (see the 1976 20070930 entry). Unfortunately, this required the ABI of 1977 PCIOCGETCONF to be broken again in order to be able to 1978 provide backwards compatibility to the old version of that 1979 IOCTL. Thus consumers of PCIOCGETCONF have to be recompiled 1980 again. As for prominent ports this affects neither pciutils 1981 nor xorg-server this time, the hal port needs to be rebuilt 1982 however. 1983 198420071020: 1985 The misnamed kthread_create() and friends have been renamed 1986 to kproc_create() etc. Many of the callers already 1987 used kproc_start().. 1988 I will return kthread_create() and friends in a while 1989 with implementations that actually create threads, not procs. 1990 Renaming corresponds with version 800002. 1991 199220071010: 1993 RELENG_7 branched. 1994 1995COMMON ITEMS: 1996 1997 General Notes 1998 ------------- 1999 Avoid using make -j when upgrading. While generally safe, there are 2000 sometimes problems using -j to upgrade. If your upgrade fails with 2001 -j, please try again without -j. From time to time in the past there 2002 have been problems using -j with buildworld and/or installworld. This 2003 is especially true when upgrading between "distant" versions (eg one 2004 that cross a major release boundary or several minor releases, or when 2005 several months have passed on the -current branch). 2006 2007 Sometimes, obscure build problems are the result of environment 2008 poisoning. This can happen because the make utility reads its 2009 environment when searching for values for global variables. To run 2010 your build attempts in an "environmental clean room", prefix all make 2011 commands with 'env -i '. See the env(1) manual page for more details. 2012 2013 When upgrading from one major version to another it is generally best 2014 to upgrade to the latest code in the currently installed branch first, 2015 then do an upgrade to the new branch. This is the best-tested upgrade 2016 path, and has the highest probability of being successful. Please try 2017 this approach before reporting problems with a major version upgrade. 2018 2019 When upgrading a live system, having a root shell around before 2020 installing anything can help undo problems. Not having a root shell 2021 around can lead to problems if pam has changed too much from your 2022 starting point to allow continued authentication after the upgrade. 2023 2024 ZFS notes 2025 --------- 2026 When upgrading the boot ZFS pool to a new version, always follow 2027 these two steps: 2028 2029 1.) recompile and reinstall the ZFS boot loader and boot block 2030 (this is part of "make buildworld" and "make installworld") 2031 2032 2.) update the ZFS boot block on your boot drive 2033 2034 The following example updates the ZFS boot block on the first 2035 partition (freebsd-boot) of a GPT partitioned drive ad0: 2036 "gpart bootcode -p /boot/gptzfsboot -i 1 ad0" 2037 2038 Non-boot pools do not need these updates. 2039 2040 To build a kernel 2041 ----------------- 2042 If you are updating from a prior version of FreeBSD (even one just 2043 a few days old), you should follow this procedure. It is the most 2044 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 2045 2046 make kernel-toolchain 2047 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 2048 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 2049 2050 To test a kernel once 2051 --------------------- 2052 If you just want to boot a kernel once (because you are not sure 2053 if it works, or if you want to boot a known bad kernel to provide 2054 debugging information) run 2055 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 2056 nextboot -k testkernel 2057 2058 To just build a kernel when you know that it won't mess you up 2059 -------------------------------------------------------------- 2060 This assumes you are already running a CURRENT system. Replace 2061 ${arch} with the architecture of your machine (e.g. "i386", 2062 "arm", "amd64", "ia64", "pc98", "sparc64", "powerpc", "mips", etc). 2063 2064 cd src/sys/${arch}/conf 2065 config KERNEL_NAME_HERE 2066 cd ../compile/KERNEL_NAME_HERE 2067 make depend 2068 make 2069 make install 2070 2071 If this fails, go to the "To build a kernel" section. 2072 2073 To rebuild everything and install it on the current system. 2074 ----------------------------------------------------------- 2075 # Note: sometimes if you are running current you gotta do more than 2076 # is listed here if you are upgrading from a really old current. 2077 2078 <make sure you have good level 0 dumps> 2079 make buildworld 2080 make kernel KERNCONF=YOUR_KERNEL_HERE 2081 [1] 2082 <reboot in single user> [3] 2083 mergemaster -p [5] 2084 make installworld 2085 mergemaster -i [4] 2086 make delete-old [6] 2087 <reboot> 2088 2089 To cross-install current onto a separate partition 2090 -------------------------------------------------- 2091 # In this approach we use a separate partition to hold 2092 # current's root, 'usr', and 'var' directories. A partition 2093 # holding "/", "/usr" and "/var" should be about 2GB in 2094 # size. 2095 2096 <make sure you have good level 0 dumps> 2097 <boot into -stable> 2098 make buildworld 2099 make buildkernel KERNCONF=YOUR_KERNEL_HERE 2100 <maybe newfs current's root partition> 2101 <mount current's root partition on directory ${CURRENT_ROOT}> 2102 make installworld DESTDIR=${CURRENT_ROOT} 2103 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 2104 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 2105 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 2106 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 2107 <reboot into current> 2108 <do a "native" rebuild/install as described in the previous section> 2109 <maybe install compatibility libraries from ports/misc/compat*> 2110 <reboot> 2111 2112 2113 To upgrade in-place from stable to current 2114 ---------------------------------------------- 2115 <make sure you have good level 0 dumps> 2116 make buildworld [9] 2117 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 2118 [1] 2119 <reboot in single user> [3] 2120 mergemaster -p [5] 2121 make installworld 2122 mergemaster -i [4] 2123 make delete-old [6] 2124 <reboot> 2125 2126 Make sure that you've read the UPDATING file to understand the 2127 tweaks to various things you need. At this point in the life 2128 cycle of current, things change often and you are on your own 2129 to cope. The defaults can also change, so please read ALL of 2130 the UPDATING entries. 2131 2132 Also, if you are tracking -current, you must be subscribed to 2133 freebsd-current@freebsd.org. Make sure that before you update 2134 your sources that you have read and understood all the recent 2135 messages there. If in doubt, please track -stable which has 2136 much fewer pitfalls. 2137 2138 [1] If you have third party modules, such as vmware, you 2139 should disable them at this point so they don't crash your 2140 system on reboot. 2141 2142 [3] From the bootblocks, boot -s, and then do 2143 fsck -p 2144 mount -u / 2145 mount -a 2146 cd src 2147 adjkerntz -i # if CMOS is wall time 2148 Also, when doing a major release upgrade, it is required that 2149 you boot into single user mode to do the installworld. 2150 2151 [4] Note: This step is non-optional. Failure to do this step 2152 can result in a significant reduction in the functionality of the 2153 system. Attempting to do it by hand is not recommended and those 2154 that pursue this avenue should read this file carefully, as well 2155 as the archives of freebsd-current and freebsd-hackers mailing lists 2156 for potential gotchas. The -U option is also useful to consider. 2157 See mergemaster(8) for more information. 2158 2159 [5] Usually this step is a noop. However, from time to time 2160 you may need to do this if you get unknown user in the following 2161 step. It never hurts to do it all the time. You may need to 2162 install a new mergemaster (cd src/usr.sbin/mergemaster && make 2163 install) after the buildworld before this step if you last updated 2164 from current before 20130425 or from -stable before 20130430. 2165 2166 [6] This only deletes old files and directories. Old libraries 2167 can be deleted by "make delete-old-libs", but you have to make 2168 sure that no program is using those libraries anymore. 2169 2170 [8] In order to have a kernel that can run the 4.x binaries needed to 2171 do an installworld, you must include the COMPAT_FREEBSD4 option in 2172 your kernel. Failure to do so may leave you with a system that is 2173 hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 is 2174 required to run the 5.x binaries on more recent kernels. And so on 2175 for COMPAT_FREEBSD6 and COMPAT_FREEBSD7. 2176 2177 Make sure that you merge any new devices from GENERIC since the 2178 last time you updated your kernel config file. 2179 2180 [9] When checking out sources, you must include the -P flag to have 2181 cvs prune empty directories. 2182 2183 If CPUTYPE is defined in your /etc/make.conf, make sure to use the 2184 "?=" instead of the "=" assignment operator, so that buildworld can 2185 override the CPUTYPE if it needs to. 2186 2187 MAKEOBJDIRPREFIX must be defined in an environment variable, and 2188 not on the command line, or in /etc/make.conf. buildworld will 2189 warn if it is improperly defined. 2190FORMAT: 2191 2192This file contains a list, in reverse chronological order, of major 2193breakages in tracking -current. It is not guaranteed to be a complete 2194list of such breakages, and only contains entries since October 10, 2007. 2195If you need to see UPDATING entries from before that date, you will need 2196to fetch an UPDATING file from an older FreeBSD release. 2197 2198Copyright information: 2199 2200Copyright 1998-2009 M. Warner Losh. All Rights Reserved. 2201 2202Redistribution, publication, translation and use, with or without 2203modification, in full or in part, in any form or format of this 2204document are permitted without further permission from the author. 2205 2206THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 2207IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 2208WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 2209DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 2210INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 2211(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2212SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2213HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 2214STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 2215IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2216POSSIBILITY OF SUCH DAMAGE. 2217 2218Contact Warner Losh if you have any questions about your use of 2219this document. 2220 2221$FreeBSD: releng/10.1/UPDATING 282873 2015-05-13 22:52:35Z delphij $ 2222