UPDATING revision 297000
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 and WITH_GCC to bootstrap to 16the tip of head, and then rebuild without this option. The bootstrap process 17from older version of current across the gcc/clang cutover is a bit fragile. 18 19NOTE TO PEOPLE WHO THINK THAT FreeBSD 11.x IS SLOW: 20 FreeBSD 11.x has many debugging features turned on, in both the kernel 21 and userland. These features attempt to detect incorrect use of 22 system primitives, and encourage loud failure through extra sanity 23 checking and fail stop semantics. They also substantially impact 24 system performance. If you want to do performance measurement, 25 benchmarking, and optimization, you'll want to turn them off. This 26 includes various WITNESS- related kernel options, INVARIANTS, malloc 27 debugging flags in userland, and various verbose features in the 28 kernel. Many developers choose to disable these features on build 29 machines to maximize performance. (To completely disable malloc 30 debugging, define MALLOC_PRODUCTION in /etc/make.conf, or to merely 31 disable the most expensive debugging functionality run 32 "ln -s 'abort:false,junk:false' /etc/malloc.conf".) 33 3420160317: 35 Resource range types have grown from unsigned long to uintmax_t. All 36 drivers, and anything using libdevinfo, need to be recompiled. 37 3820160311: 39 WITH_FAST_DEPEND is now enabled by default for in-tree and out-of-tree 40 builds. It no longer runs mkdep(1) during 'make depend', and the 41 'make depend' stage can safely be skipped now as it is auto ran 42 when building 'make all' and will generate all SRCS and DPSRCS before 43 building anything else. Dependencies are gathered at compile time with 44 -MF flags kept in separate .depend files per object file. Users should 45 run 'make cleandepend' once if using -DNO_CLEAN to clean out older 46 stale .depend files. 47 4820160306: 49 On amd64, clang 3.8.0 can now insert sections of type AMD64_UNWIND into 50 kernel modules. Therefore, if you load any kernel modules at boot time, 51 please install the boot loaders after you install the kernel, but before 52 rebooting, e.g.: 53 54 make buildworld 55 make kernel KERNCONF=YOUR_KERNEL_HERE 56 make -C sys/boot install 57 <reboot in single user> 58 59 Then follow the usual steps, described in the General Notes section, 60 below. 61 6220160305: 63 Clang, llvm, lldb and compiler-rt have been upgraded to 3.8.0. Please 64 see the 20141231 entry below for information about prerequisites and 65 upgrading, if you are not already using clang 3.5.0 or higher. 66 6720160301: 68 The AIO subsystem is now a standard part of the kernel. The 69 VFS_AIO kernel option and aio.ko kernel module have been removed. 70 Due to stability concerns, asynchronous I/O requests are only 71 permitted on sockets and raw disks by default. To enable 72 asynchronous I/O requests on all file types, set the 73 vfs.aio.enable_unsafe sysctl to a non-zero value. 74 7520160226: 76 The ELF object manipulation tool objcopy is now provided by the 77 ELF Tool Chain project rather than by GNU binutils. It should be a 78 drop-in replacement, with the addition of arm64 support. The 79 (temporary) src.conf knob WITHOUT_ELFCOPY_AS_OBJCOPY knob may be set 80 to obtain the GNU version if necessary. 81 8220160129: 83 Building ZFS pools on top of zvols is prohibited by default. That 84 feature has never worked safely; it's always been prone to deadlocks. 85 Using a zvol as the backing store for a VM guest's virtual disk will 86 still work, even if the guest is using ZFS. Legacy behavior can be 87 restored by setting vfs.zfs.vol.recursive=1. 88 8920160119: 90 The NONE and HPN patches has been removed from OpenSSH. They are 91 still available in the security/openssh-portable port. 92 9320160113: 94 With the addition of ypldap(8), a new _ypldap user is now required 95 during installworld. "mergemaster -p" can be used to add the user 96 prior to installworld, as documented in the handbook. 97 9820151216: 99 The tftp loader (pxeboot) now uses the option root-path directive. As a 100 consequence it no longer looks for a pxeboot.4th file on the tftp 101 server. Instead it uses the regular /boot infrastructure as with the 102 other loaders. 103 10420151211: 105 The code to start recording plug and play data into the modules has 106 been committed. While the old tools will properly build a new kernel, 107 a number of warnings about "unknown metadata record 4" will be produced 108 for an older kldxref. To avoid such warnings, make sure to rebuild 109 the kernel toolchain (or world). Make sure that you have r292078 or 110 later when trying to build 292077 or later before rebuilding. 111 11220151207: 113 Debug data files are now built by default with 'make buildworld' and 114 installed with 'make installworld'. This facilitates debugging but 115 requires more disk space both during the build and for the installed 116 world. Debug files may be disabled by setting WITHOUT_DEBUG_FILES=yes 117 in src.conf(5). 118 11920151130: 120 r291527 changed the internal interface between the nfsd.ko and 121 nfscommon.ko modules. As such, they must both be upgraded to-gether. 122 __FreeBSD_version has been bumped because of this. 123 12420151108: 125 Add support for unicode collation strings leads to a change of 126 order of files listed by ls(1) for example. To get back to the old 127 behaviour, set LC_COLLATE environment variable to "C". 128 129 Databases administrators will need to reindex their databases given 130 collation results will be different. 131 132 Due to a bug in install(1) it is recommended to remove the ancient 133 locales before running make installworld. 134 135 rm -rf /usr/share/locale/* 136 13720151030: 138 The OpenSSL has been upgraded to 1.0.2d. Any binaries requiring 139 libcrypto.so.7 or libssl.so.7 must be recompiled. 140 14120151020: 142 Qlogic 24xx/25xx firmware images were updated from 5.5.0 to 7.3.0. 143 Kernel modules isp_2400_multi and isp_2500_multi were removed and 144 should be replaced with isp_2400 and isp_2500 modules respectively. 145 14620151017: 147 The build previously allowed using 'make -n' to not recurse into 148 sub-directories while showing what commands would be executed, and 149 'make -n -n' to recursively show commands. Now 'make -n' will recurse 150 and 'make -N' will not. 151 15220151012: 153 If you specify SENDMAIL_MC or SENDMAIL_CF in make.conf, mergemaster 154 and etcupdate will now use this file. A custom sendmail.cf is now 155 updated via this mechanism rather than via installworld. If you had 156 excluded sendmail.cf in mergemaster.rc or etcupdate.conf, you may 157 want to remove the exclusion or change it to "always install". 158 /etc/mail/sendmail.cf is now managed the same way regardless of 159 whether SENDMAIL_MC/SENDMAIL_CF is used. If you are not using 160 SENDMAIL_MC/SENDMAIL_CF there should be no change in behavior. 161 16220151011: 163 Compatibility shims for legacy ATA device names have been removed. 164 It includes ATA_STATIC_ID kernel option, kern.cam.ada.legacy_aliases 165 and kern.geom.raid.legacy_aliases loader tunables, kern.devalias.* 166 environment variables, /dev/ad* and /dev/ar* symbolic links. 167 16820151006: 169 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.7.0. 170 Please see the 20141231 entry below for information about prerequisites 171 and upgrading, if you are not already using clang 3.5.0 or higher. 172 17320150924: 174 Kernel debug files have been moved to /usr/lib/debug/boot/kernel/, 175 and renamed from .symbols to .debug. This reduces the size requirements 176 on the boot partition or file system and provides consistency with 177 userland debug files. 178 179 When using the supported kernel installation method the 180 /usr/lib/debug/boot/kernel directory will be renamed (to kernel.old) 181 as is done with /boot/kernel. 182 183 Developers wishing to maintain the historical behavior of installing 184 debug files in /boot/kernel/ can set KERN_DEBUGDIR="" in src.conf(5). 185 18620150827: 187 The wireless drivers had undergone changes that remove the 'parent 188 interface' from the ifconfig -l output. The rc.d network scripts 189 used to check presence of a parent interface in the list, so old 190 scripts would fail to start wireless networking. Thus, etcupdate(3) 191 or mergemaster(8) run is required after kernel update, to update your 192 rc.d scripts in /etc. 193 19420150827: 195 pf no longer supports 'scrub fragment crop' or 'scrub fragment drop-ovl' 196 These configurations are now automatically interpreted as 197 'scrub fragment reassemble'. 198 19920150817: 200 Kernel-loadable modules for the random(4) device are back. To use 201 them, the kernel must have 202 203 device random 204 options RANDOM_LOADABLE 205 206 kldload(8) can then be used to load random_fortuna.ko 207 or random_yarrow.ko. Please note that due to the indirect 208 function calls that the loadable modules need to provide, 209 the build-in variants will be slightly more efficient. 210 211 The random(4) kernel option RANDOM_DUMMY has been retired due to 212 unpopularity. It was not all that useful anyway. 213 21420150813: 215 The WITHOUT_ELFTOOLCHAIN_TOOLS src.conf(5) knob has been retired. 216 Control over building the ELF Tool Chain tools is now provided by 217 the WITHOUT_TOOLCHAIN knob. 218 21920150810: 220 The polarity of Pulse Per Second (PPS) capture events with the 221 uart(4) driver has been corrected. Prior to this change the PPS 222 "assert" event corresponded to the trailing edge of a positive PPS 223 pulse and the "clear" event was the leading edge of the next pulse. 224 225 As the width of a PPS pulse in a typical GPS receiver is on the 226 order of 1 millisecond, most users will not notice any significant 227 difference with this change. 228 229 Anyone who has compensated for the historical polarity reversal by 230 configuring a negative offset equal to the pulse width will need to 231 remove that workaround. 232 23320150809: 234 The default group assigned to /dev/dri entries has been changed 235 from 'wheel' to 'video' with the id of '44'. If you want to have 236 access to the dri devices please add yourself to the video group 237 with: 238 239 # pw groupmod video -m $USER 240 24120150806: 242 The menu.rc and loader.rc files will now be replaced during 243 upgrades. Please migrate local changes to menu.rc.local and 244 loader.rc.local instead. 245 24620150805: 247 GNU Binutils versions of addr2line, c++filt, nm, readelf, size, 248 strings and strip have been removed. The src.conf(5) knob 249 WITHOUT_ELFTOOLCHAIN_TOOLS no longer provides the binutils tools. 250 25120150728: 252 As ZFS requires more kernel stack pages than is the default on some 253 architectures e.g. i386, it now warns if KSTACK_PAGES is less than 254 ZFS_MIN_KSTACK_PAGES (which is 4 at the time of writing). 255 256 Please consider using 'options KSTACK_PAGES=X' where X is greater 257 than or equal to ZFS_MIN_KSTACK_PAGES i.e. 4 in such configurations. 258 25920150706: 260 sendmail has been updated to 8.15.2. Starting with FreeBSD 11.0 261 and sendmail 8.15, sendmail uses uncompressed IPv6 addresses by 262 default, i.e., they will not contain "::". For example, instead 263 of ::1, it will be 0:0:0:0:0:0:0:1. This permits a zero subnet 264 to have a more specific match, such as different map entries for 265 IPv6:0:0 vs IPv6:0. This change requires that configuration 266 data (including maps, files, classes, custom ruleset, etc.) must 267 use the same format, so make certain such configuration data is 268 upgrading. As a very simple check search for patterns like 269 'IPv6:[0-9a-fA-F:]*::' and 'IPv6::'. To return to the old 270 behavior, set the m4 option confUSE_COMPRESSED_IPV6_ADDRESSES or 271 the cf option UseCompressedIPv6Addresses. 272 27320150630: 274 The default kernel entropy-processing algorithm is now 275 Fortuna, replacing Yarrow. 276 277 Assuming you have 'device random' in your kernel config 278 file, the configurations allow a kernel option to override 279 this default. You may choose *ONE* of: 280 281 options RANDOM_YARROW # Legacy /dev/random algorithm. 282 options RANDOM_DUMMY # Blocking-only driver. 283 284 If you have neither, you get Fortuna. For most people, 285 read no further, Fortuna will give a /dev/random that works 286 like it always used to, and the difference will be irrelevant. 287 288 If you remove 'device random', you get *NO* kernel-processed 289 entropy at all. This may be acceptable to folks building 290 embedded systems, but has complications. Carry on reading, 291 and it is assumed you know what you need. 292 293 *PLEASE* read random(4) and random(9) if you are in the 294 habit of tweaking kernel configs, and/or if you are a member 295 of the embedded community, wanting specific and not-usual 296 behaviour from your security subsystems. 297 298 NOTE!! If you use RANDOM_DUMMY and/or have no 'device 299 random', you will NOT have a functioning /dev/random, and 300 many cryptographic features will not work, including SSH. 301 You may also find strange behaviour from the random(3) set 302 of library functions, in particular sranddev(3), srandomdev(3) 303 and arc4random(3). The reason for this is that the KERN_ARND 304 sysctl only returns entropy if it thinks it has some to 305 share, and with RANDOM_DUMMY or no 'device random' this 306 will never happen. 307 30820150623: 309 An additional fix for the issue described in the 20150614 sendmail 310 entry below has been been committed in revision 284717. 311 31220150616: 313 FreeBSD's old make (fmake) has been removed from the system. It is 314 available as the devel/fmake port or via pkg install fmake. 315 31620150615: 317 The fix for the issue described in the 20150614 sendmail entry 318 below has been been committed in revision 284436. The work 319 around described in that entry is no longer needed unless the 320 default setting is overridden by a confDH_PARAMETERS configuration 321 setting of '5' or pointing to a 512 bit DH parameter file. 322 32320150614: 324 ALLOW_DEPRECATED_ATF_TOOLS/ATFFILE support has been removed from 325 atf.test.mk (included from bsd.test.mk). Please upgrade devel/atf 326 and devel/kyua to version 0.20+ and adjust any calling code to work 327 with Kyuafile and kyua. 328 32920150614: 330 The import of openssl to address the FreeBSD-SA-15:10.openssl 331 security advisory includes a change which rejects handshakes 332 with DH parameters below 768 bits. sendmail releases prior 333 to 8.15.2 (not yet released), defaulted to a 512 bit 334 DH parameter setting for client connections. To work around 335 this interoperability, sendmail can be configured to use a 336 2048 bit DH parameter by: 337 338 1. Edit /etc/mail/`hostname`.mc 339 2. If a setting for confDH_PARAMETERS does not exist or 340 exists and is set to a string beginning with '5', 341 replace it with '2'. 342 3. If a setting for confDH_PARAMETERS exists and is set to 343 a file path, create a new file with: 344 openssl dhparam -out /path/to/file 2048 345 4. Rebuild the .cf file: 346 cd /etc/mail/; make; make install 347 5. Restart sendmail: 348 cd /etc/mail/; make restart 349 350 A sendmail patch is coming, at which time this file will be 351 updated. 352 35320150604: 354 Generation of legacy formatted entries have been disabled by default 355 in pwd_mkdb(8), as all base system consumers of the legacy formatted 356 entries were converted to use the new format by default when the new, 357 machine independent format have been added and supported since FreeBSD 358 5.x. 359 360 Please see the pwd_mkdb(8) manual page for further details. 361 36220150525: 363 Clang and llvm have been upgraded to 3.6.1 release. Please see the 364 20141231 entry below for information about prerequisites and upgrading, 365 if you are not already using 3.5.0 or higher. 366 36720150521: 368 TI platform code switched to using vendor DTS files and this update 369 may break existing systems running on Beaglebone, Beaglebone Black, 370 and Pandaboard: 371 372 - dtb files should be regenerated/reinstalled. Filenames are the 373 same but content is different now 374 - GPIO addressing was changed, now each GPIO bank (32 pins per bank) 375 has its own /dev/gpiocX device, e.g. pin 121 on /dev/gpioc0 in old 376 addressing scheme is now pin 25 on /dev/gpioc3. 377 - Pandaboard: /etc/ttys should be updated, serial console device is 378 now /dev/ttyu2, not /dev/ttyu0 379 38020150501: 381 soelim(1) from gnu/usr.bin/groff has been replaced by usr.bin/soelim. 382 If you need the GNU extension from groff soelim(1), install groff 383 from package: pkg install groff, or via ports: textproc/groff. 384 38520150423: 386 chmod, chflags, chown and chgrp now affect symlinks in -R mode as 387 defined in symlink(7); previously symlinks were silently ignored. 388 38920150415: 390 The const qualifier has been removed from iconv(3) to comply with 391 POSIX. The ports tree is aware of this from r384038 onwards. 392 39320150416: 394 Libraries specified by LIBADD in Makefiles must have a corresponding 395 DPADD_<lib> variable to ensure correct dependencies. This is now 396 enforced in src.libnames.mk. 397 39820150324: 399 From legacy ata(4) driver was removed support for SATA controllers 400 supported by more functional drivers ahci(4), siis(4) and mvs(4). 401 Kernel modules ataahci and ataadaptec were removed completely, 402 replaced by ahci and mvs modules respectively. 403 40420150315: 405 Clang, llvm and lldb have been upgraded to 3.6.0 release. Please see 406 the 20141231 entry below for information about prerequisites and 407 upgrading, if you are not already using 3.5.0 or higher. 408 40920150307: 410 The 32-bit PowerPC kernel has been changed to a position-independent 411 executable. This can only be booted with a version of loader(8) 412 newer than January 31, 2015, so make sure to update both world and 413 kernel before rebooting. 414 41520150217: 416 If you are running a -CURRENT kernel since r273872 (Oct 30th, 2014), 417 but before r278950, the RNG was not seeded properly. Immediately 418 upgrade the kernel to r278950 or later and regenerate any keys (e.g. 419 ssh keys or openssl keys) that were generated w/ a kernel from that 420 range. This does not affect programs that directly used /dev/random 421 or /dev/urandom. All userland uses of arc4random(3) are affected. 422 42320150210: 424 The autofs(4) ABI was changed in order to restore binary compatibility 425 with 10.1-RELEASE. The automountd(8) daemon needs to be rebuilt to work 426 with the new kernel. 427 42820150131: 429 The powerpc64 kernel has been changed to a position-independent 430 executable. This can only be booted with a new version of loader(8), 431 so make sure to update both world and kernel before rebooting. 432 43320150118: 434 Clang and llvm have been upgraded to 3.5.1 release. This is a bugfix 435 only release, no new features have been added. Please see the 20141231 436 entry below for information about prerequisites and upgrading, if you 437 are not already using 3.5.0. 438 43920150107: 440 ELF tools addr2line, elfcopy (strip), nm, size, and strings are now 441 taken from the ELF Tool Chain project rather than GNU binutils. They 442 should be drop-in replacements, with the addition of arm64 support. 443 The WITHOUT_ELFTOOLCHAIN_TOOLS= knob may be used to obtain the 444 binutils tools, if necessary. See 20150805 for updated information. 445 44620150105: 447 The default Unbound configuration now enables remote control 448 using a local socket. Users who have already enabled the 449 local_unbound service should regenerate their configuration 450 by running "service local_unbound setup" as root. 451 45220150102: 453 The GNU texinfo and GNU info pages have been removed. 454 To be able to view GNU info pages please install texinfo from ports. 455 45620141231: 457 Clang, llvm and lldb have been upgraded to 3.5.0 release. 458 459 As of this release, a prerequisite for building clang, llvm and lldb is 460 a C++11 capable compiler and C++11 standard library. This means that to 461 be able to successfully build the cross-tools stage of buildworld, with 462 clang as the bootstrap compiler, your system compiler or cross compiler 463 should either be clang 3.3 or later, or gcc 4.8 or later, and your 464 system C++ library should be libc++, or libdstdc++ from gcc 4.8 or 465 later. 466 467 On any standard FreeBSD 10.x or 11.x installation, where clang and 468 libc++ are on by default (that is, on x86 or arm), this should work out 469 of the box. 470 471 On 9.x installations where clang is enabled by default, e.g. on x86 and 472 powerpc, libc++ will not be enabled by default, so libc++ should be 473 built (with clang) and installed first. If both clang and libc++ are 474 missing, build clang first, then use it to build libc++. 475 476 On 8.x and earlier installations, upgrade to 9.x first, and then follow 477 the instructions for 9.x above. 478 479 Sparc64 and mips users are unaffected, as they still use gcc 4.2.1 by 480 default, and do not build clang. 481 482 Many embedded systems are resource constrained, and will not be able to 483 build clang in a reasonable time, or in some cases at all. In those 484 cases, cross building bootable systems on amd64 is a workaround. 485 486 This new version of clang introduces a number of new warnings, of which 487 the following are most likely to appear: 488 489 -Wabsolute-value 490 491 This warns in two cases, for both C and C++: 492 * When the code is trying to take the absolute value of an unsigned 493 quantity, which is effectively a no-op, and almost never what was 494 intended. The code should be fixed, if at all possible. If you are 495 sure that the unsigned quantity can be safely cast to signed, without 496 loss of information or undefined behavior, you can add an explicit 497 cast, or disable the warning. 498 499 * When the code is trying to take an absolute value, but the called 500 abs() variant is for the wrong type, which can lead to truncation. 501 If you want to disable the warning instead of fixing the code, please 502 make sure that truncation will not occur, or it might lead to unwanted 503 side-effects. 504 505 -Wtautological-undefined-compare and 506 -Wundefined-bool-conversion 507 508 These warn when C++ code is trying to compare 'this' against NULL, while 509 'this' should never be NULL in well-defined C++ code. However, there is 510 some legacy (pre C++11) code out there, which actively abuses this 511 feature, which was less strictly defined in previous C++ versions. 512 513 Squid and openjdk do this, for example. The warning can be turned off 514 for C++98 and earlier, but compiling the code in C++11 mode might result 515 in unexpected behavior; for example, the parts of the program that are 516 unreachable could be optimized away. 517 51820141222: 519 The old NFS client and server (kernel options NFSCLIENT, NFSSERVER) 520 kernel sources have been removed. The .h files remain, since some 521 utilities include them. This will need to be fixed later. 522 If "mount -t oldnfs ..." is attempted, it will fail. 523 If the "-o" option on mountd(8), nfsd(8) or nfsstat(1) is used, 524 the utilities will report errors. 525 52620141121: 527 The handling of LOCAL_LIB_DIRS has been altered to skip addition of 528 directories to top level SUBDIR variable when their parent 529 directory is included in LOCAL_DIRS. Users with build systems with 530 such hierarchies and without SUBDIR entries in the parent 531 directory Makefiles should add them or add the directories to 532 LOCAL_DIRS. 533 53420141109: 535 faith(4) and faithd(8) have been removed from the base system. Faith 536 has been obsolete for a very long time. 537 53820141104: 539 vt(4), the new console driver, is enabled by default. It brings 540 support for Unicode and double-width characters, as well as 541 support for UEFI and integration with the KMS kernel video 542 drivers. 543 544 You may need to update your console settings in /etc/rc.conf, 545 most probably the keymap. During boot, /etc/rc.d/syscons will 546 indicate what you need to do. 547 548 vt(4) still has issues and lacks some features compared to 549 syscons(4). See the wiki for up-to-date information: 550 https://wiki.freebsd.org/Newcons 551 552 If you want to keep using syscons(4), you can do so by adding 553 the following line to /boot/loader.conf: 554 kern.vty=sc 555 55620141102: 557 pjdfstest has been integrated into kyua as an opt-in test suite. 558 Please see share/doc/pjdfstest/README for more details on how to 559 execute it. 560 56120141009: 562 gperf has been removed from the base system for architectures 563 that use clang. Ports that require gperf will obtain it from the 564 devel/gperf port. 565 56620140923: 567 pjdfstest has been moved from tools/regression/pjdfstest to 568 contrib/pjdfstest . 569 57020140922: 571 At svn r271982, The default linux compat kernel ABI has been adjusted 572 to 2.6.18 in support of the linux-c6 compat ports infrastructure 573 update. If you wish to continue using the linux-f10 compat ports, 574 add compat.linux.osrelease=2.6.16 to your local sysctl.conf. Users are 575 encouraged to update their linux-compat packages to linux-c6 during 576 their next update cycle. 577 57820140729: 579 The ofwfb driver, used to provide a graphics console on PowerPC when 580 using vt(4), no longer allows mmap() of all physical memory. This 581 will prevent Xorg on PowerPC with some ATI graphics cards from 582 initializing properly unless x11-servers/xorg-server is updated to 583 1.12.4_8 or newer. 584 58520140723: 586 The xdev targets have been converted to using TARGET and 587 TARGET_ARCH instead of XDEV and XDEV_ARCH. 588 58920140719: 590 The default unbound configuration has been modified to address 591 issues with reverse lookups on networks that use private 592 address ranges. If you use the local_unbound service, run 593 "service local_unbound setup" as root to regenerate your 594 configuration, then "service local_unbound reload" to load the 595 new configuration. 596 59720140709: 598 The GNU texinfo and GNU info pages are not built and installed 599 anymore, WITH_INFO knob has been added to allow to built and install 600 them again. 601 UPDATE: see 20150102 entry on texinfo's removal 602 60320140708: 604 The GNU readline library is now an INTERNALLIB - that is, it is 605 statically linked into consumers (GDB and variants) in the base 606 system, and the shared library is no longer installed. The 607 devel/readline port is available for third party software that 608 requires readline. 609 61020140702: 611 The Itanium architecture (ia64) has been removed from the list of 612 known architectures. This is the first step in the removal of the 613 architecture. 614 61520140701: 616 Commit r268115 has added NFSv4.1 server support, merged from 617 projects/nfsv4.1-server. Since this includes changes to the 618 internal interfaces between the NFS related modules, a full 619 build of the kernel and modules will be necessary. 620 __FreeBSD_version has been bumped. 621 62220140629: 623 The WITHOUT_VT_SUPPORT kernel config knob has been renamed 624 WITHOUT_VT. (The other _SUPPORT knobs have a consistent meaning 625 which differs from the behaviour controlled by this knob.) 626 62720140619: 628 Maximal length of the serial number in CTL was increased from 16 to 629 64 chars, that breaks ABI. All CTL-related tools, such as ctladm 630 and ctld, need to be rebuilt to work with a new kernel. 631 63220140606: 633 The libatf-c and libatf-c++ major versions were downgraded to 0 and 634 1 respectively to match the upstream numbers. They were out of 635 sync because, when they were originally added to FreeBSD, the 636 upstream versions were not respected. These libraries are private 637 and not yet built by default, so renumbering them should be a 638 non-issue. However, unclean source trees will yield broken test 639 programs once the operator executes "make delete-old-libs" after a 640 "make installworld". 641 642 Additionally, the atf-sh binary was made private by moving it into 643 /usr/libexec/. Already-built shell test programs will keep the 644 path to the old binary so they will break after "make delete-old" 645 is run. 646 647 If you are using WITH_TESTS=yes (not the default), wipe the object 648 tree and rebuild from scratch to prevent spurious test failures. 649 This is only needed once: the misnumbered libraries and misplaced 650 binaries have been added to OptionalObsoleteFiles.inc so they will 651 be removed during a clean upgrade. 652 65320140512: 654 Clang and llvm have been upgraded to 3.4.1 release. 655 65620140508: 657 We bogusly installed src.opts.mk in /usr/share/mk. This file should 658 be removed to avoid issues in the future (and has been added to 659 ObsoleteFiles.inc). 660 66120140505: 662 /etc/src.conf now affects only builds of the FreeBSD src tree. In the 663 past, it affected all builds that used the bsd.*.mk files. The old 664 behavior was a bug, but people may have relied upon it. To get this 665 behavior back, you can .include /etc/src.conf from /etc/make.conf 666 (which is still global and isn't changed). This also changes the 667 behavior of incremental builds inside the tree of individual 668 directories. Set MAKESYSPATH to ".../share/mk" to do that. 669 Although this has survived make universe and some upgrade scenarios, 670 other upgrade scenarios may have broken. At least one form of 671 temporary breakage was fixed with MAKESYSPATH settings for buildworld 672 as well... In cases where MAKESYSPATH isn't working with this 673 setting, you'll need to set it to the full path to your tree. 674 675 One side effect of all this cleaning up is that bsd.compiler.mk 676 is no longer implicitly included by bsd.own.mk. If you wish to 677 use COMPILER_TYPE, you must now explicitly include bsd.compiler.mk 678 as well. 679 68020140430: 681 The lindev device has been removed since /dev/full has been made a 682 standard device. __FreeBSD_version has been bumped. 683 68420140424: 685 The knob WITHOUT_VI was added to the base system, which controls 686 building ex(1), vi(1), etc. Older releases of FreeBSD required ex(1) 687 in order to reorder files share/termcap and didn't build ex(1) as a 688 build tool, so building/installing with WITH_VI is highly advised for 689 build hosts for older releases. 690 691 This issue has been fixed in stable/9 and stable/10 in r277022 and 692 r276991, respectively. 693 69420140418: 695 The YES_HESIOD knob has been removed. It has been obsolete for 696 a decade. Please move to using WITH_HESIOD instead or your builds 697 will silently lack HESIOD. 698 69920140405: 700 The uart(4) driver has been changed with respect to its handling 701 of the low-level console. Previously the uart(4) driver prevented 702 any process from changing the baudrate or the CLOCAL and HUPCL 703 control flags. By removing the restrictions, operators can make 704 changes to the serial console port without having to reboot. 705 However, when getty(8) is started on the serial device that is 706 associated with the low-level console, a misconfigured terminal 707 line in /etc/ttys will now have a real impact. 708 Before upgrading the kernel, make sure that /etc/ttys has the 709 serial console device configured as 3wire without baudrate to 710 preserve the previous behaviour. E.g: 711 ttyu0 "/usr/libexec/getty 3wire" vt100 on secure 712 71320140306: 714 Support for libwrap (TCP wrappers) in rpcbind was disabled by default 715 to improve performance. To re-enable it, if needed, run rpcbind 716 with command line option -W. 717 71820140226: 719 Switched back to the GPL dtc compiler due to updates in the upstream 720 dts files not being supported by the BSDL dtc compiler. You will need 721 to rebuild your kernel toolchain to pick up the new compiler. Core dumps 722 may result while building dtb files during a kernel build if you fail 723 to do so. Set WITHOUT_GPL_DTC if you require the BSDL compiler. 724 72520140216: 726 Clang and llvm have been upgraded to 3.4 release. 727 72820140216: 729 The nve(4) driver has been removed. Please use the nfe(4) driver 730 for NVIDIA nForce MCP Ethernet adapters instead. 731 73220140212: 733 An ABI incompatibility crept into the libc++ 3.4 import in r261283. 734 This could cause certain C++ applications using shared libraries built 735 against the previous version of libc++ to crash. The incompatibility 736 has now been fixed, but any C++ applications or shared libraries built 737 between r261283 and r261801 should be recompiled. 738 73920140204: 740 OpenSSH will now ignore errors caused by kernel lacking of Capsicum 741 capability mode support. Please note that enabling the feature in 742 kernel is still highly recommended. 743 74420140131: 745 OpenSSH is now built with sandbox support, and will use sandbox as 746 the default privilege separation method. This requires Capsicum 747 capability mode support in kernel. 748 74920140128: 750 The libelf and libdwarf libraries have been updated to newer 751 versions from upstream. Shared library version numbers for 752 these two libraries were bumped. Any ports or binaries 753 requiring these two libraries should be recompiled. 754 __FreeBSD_version is bumped to 1100006. 755 75620140110: 757 If a Makefile in a tests/ directory was auto-generating a Kyuafile 758 instead of providing an explicit one, this would prevent such 759 Makefile from providing its own Kyuafile in the future during 760 NO_CLEAN builds. This has been fixed in the Makefiles but manual 761 intervention is needed to clean an objdir if you use NO_CLEAN: 762 # find /usr/obj -name Kyuafile | xargs rm -f 763 76420131213: 765 The behavior of gss_pseudo_random() for the krb5 mechanism 766 has changed, for applications requesting a longer random string 767 than produced by the underlying enctype's pseudo-random() function. 768 In particular, the random string produced from a session key of 769 enctype aes256-cts-hmac-sha1-96 or aes256-cts-hmac-sha1-96 will 770 be different at the 17th octet and later, after this change. 771 The counter used in the PRF+ construction is now encoded as a 772 big-endian integer in accordance with RFC 4402. 773 __FreeBSD_version is bumped to 1100004. 774 77520131108: 776 The WITHOUT_ATF build knob has been removed and its functionality 777 has been subsumed into the more generic WITHOUT_TESTS. If you were 778 using the former to disable the build of the ATF libraries, you 779 should change your settings to use the latter. 780 78120131025: 782 The default version of mtree is nmtree which is obtained from 783 NetBSD. The output is generally the same, but may vary 784 slightly. If you found you need identical output adding 785 "-F freebsd9" to the command line should do the trick. For the 786 time being, the old mtree is available as fmtree. 787 78820131014: 789 libbsdyml has been renamed to libyaml and moved to /usr/lib/private. 790 This will break ports-mgmt/pkg. Rebuild the port, or upgrade to pkg 791 1.1.4_8 and verify bsdyml not linked in, before running "make 792 delete-old-libs": 793 # make -C /usr/ports/ports-mgmt/pkg build deinstall install clean 794 or 795 # pkg install pkg; ldd /usr/local/sbin/pkg | grep bsdyml 796 79720131010: 798 The stable/10 branch has been created in subversion from head 799 revision r256279. 800 80120131010: 802 The rc.d/jail script has been updated to support jail(8) 803 configuration file. The "jail_<jname>_*" rc.conf(5) variables 804 for per-jail configuration are automatically converted to 805 /var/run/jail.<jname>.conf before the jail(8) utility is invoked. 806 This is transparently backward compatible. See below about some 807 incompatibilities and rc.conf(5) manual page for more details. 808 809 These variables are now deprecated in favor of jail(8) configuration 810 file. One can use "rc.d/jail config <jname>" command to generate 811 a jail(8) configuration file in /var/run/jail.<jname>.conf without 812 running the jail(8) utility. The default pathname of the 813 configuration file is /etc/jail.conf and can be specified by 814 using $jail_conf or $jail_<jname>_conf variables. 815 816 Please note that jail_devfs_ruleset accepts an integer at 817 this moment. Please consider to rewrite the ruleset name 818 with an integer. 819 82020130930: 821 BIND has been removed from the base system. If all you need 822 is a local resolver, simply enable and start the local_unbound 823 service instead. Otherwise, several versions of BIND are 824 available in the ports tree. The dns/bind99 port is one example. 825 826 With this change, nslookup(1) and dig(1) are no longer in the base 827 system. Users should instead use host(1) and drill(1) which are 828 in the base system. Alternatively, nslookup and dig can 829 be obtained by installing the dns/bind-tools port. 830 83120130916: 832 With the addition of unbound(8), a new unbound user is now 833 required during installworld. "mergemaster -p" can be used to 834 add the user prior to installworld, as documented in the handbook. 835 83620130911: 837 OpenSSH is now built with DNSSEC support, and will by default 838 silently trust signed SSHFP records. This can be controlled with 839 the VerifyHostKeyDNS client configuration setting. DNSSEC support 840 can be disabled entirely with the WITHOUT_LDNS option in src.conf. 841 84220130906: 843 The GNU Compiler Collection and C++ standard library (libstdc++) 844 are no longer built by default on platforms where clang is the system 845 compiler. You can enable them with the WITH_GCC and WITH_GNUCXX 846 options in src.conf. 847 84820130905: 849 The PROCDESC kernel option is now part of the GENERIC kernel 850 configuration and is required for the rwhod(8) to work. 851 If you are using custom kernel configuration, you should include 852 'options PROCDESC'. 853 85420130905: 855 The API and ABI related to the Capsicum framework was modified 856 in backward incompatible way. The userland libraries and programs 857 have to be recompiled to work with the new kernel. This includes the 858 following libraries and programs, but the whole buildworld is 859 advised: libc, libprocstat, dhclient, tcpdump, hastd, hastctl, 860 kdump, procstat, rwho, rwhod, uniq. 861 86220130903: 863 AES-NI intrinsic support has been added to gcc. The AES-NI module 864 has been updated to use this support. A new gcc is required to build 865 the aesni module on both i386 and amd64. 866 86720130821: 868 The PADLOCK_RNG and RDRAND_RNG kernel options are now devices. 869 Thus "device padlock_rng" and "device rdrand_rng" should be 870 used instead of "options PADLOCK_RNG" & "options RDRAND_RNG". 871 87220130813: 873 WITH_ICONV has been split into two feature sets. WITH_ICONV now 874 enables just the iconv* functionality and is now on by default. 875 WITH_LIBICONV_COMPAT enables the libiconv api and link time 876 compatability. Set WITHOUT_ICONV to build the old way. 877 If you have been using WITH_ICONV before, you will very likely 878 need to turn on WITH_LIBICONV_COMPAT. 879 88020130806: 881 INVARIANTS option now enables DEBUG for code with OpenSolaris and 882 Illumos origin, including ZFS. If you have INVARIANTS in your 883 kernel configuration, then there is no need to set DEBUG or ZFS_DEBUG 884 explicitly. 885 DEBUG used to enable witness(9) tracking of OpenSolaris (mostly ZFS) 886 locks if WITNESS option was set. Because that generated a lot of 887 witness(9) reports and all of them were believed to be false 888 positives, this is no longer done. New option OPENSOLARIS_WITNESS 889 can be used to achieve the previous behavior. 890 89120130806: 892 Timer values in IPv6 data structures now use time_uptime instead 893 of time_second. Although this is not a user-visible functional 894 change, userland utilities which directly use them---ndp(8), 895 rtadvd(8), and rtsold(8) in the base system---need to be updated 896 to r253970 or later. 897 89820130802: 899 find -delete can now delete the pathnames given as arguments, 900 instead of only files found below them or if the pathname did 901 not contain any slashes. Formerly, the following error message 902 would result: 903 904 find: -delete: <path>: relative path potentially not safe 905 906 Deleting the pathnames given as arguments can be prevented 907 without error messages using -mindepth 1 or by changing 908 directory and passing "." as argument to find. This works in the 909 old as well as the new version of find. 910 91120130726: 912 Behavior of devfs rules path matching has been changed. 913 Pattern is now always matched against fully qualified devfs 914 path and slash characters must be explicitly matched by 915 slashes in pattern (FNM_PATHNAME). Rulesets involving devfs 916 subdirectories must be reviewed. 917 91820130716: 919 The default ARM ABI has changed to the ARM EABI. The old ABI is 920 incompatible with the ARM EABI and all programs and modules will 921 need to be rebuilt to work with a new kernel. 922 923 To keep using the old ABI ensure the WITHOUT_ARM_EABI knob is set. 924 925 NOTE: Support for the old ABI will be removed in the future and 926 users are advised to upgrade. 927 92820130709: 929 pkg_install has been disconnected from the build if you really need it 930 you should add WITH_PKGTOOLS in your src.conf(5). 931 93220130709: 933 Most of network statistics structures were changed to be able 934 keep 64-bits counters. Thus all tools, that work with networking 935 statistics, must be rebuilt (netstat(1), bsnmpd(1), etc.) 936 93720130618: 938 Fix a bug that allowed a tracing process (e.g. gdb) to write 939 to a memory-mapped file in the traced process's address space 940 even if neither the traced process nor the tracing process had 941 write access to that file. 942 94320130615: 944 CVS has been removed from the base system. An exact copy 945 of the code is available from the devel/cvs port. 946 94720130613: 948 Some people report the following error after the switch to bmake: 949 950 make: illegal option -- J 951 usage: make [-BPSXeiknpqrstv] [-C directory] [-D variable] 952 ... 953 *** [buildworld] Error code 2 954 955 this likely due to an old instance of make in 956 ${MAKEPATH} (${MAKEOBJDIRPREFIX}${.CURDIR}/make.${MACHINE}) 957 which src/Makefile will use that blindly, if it exists, so if 958 you see the above error: 959 960 rm -rf `make -V MAKEPATH` 961 962 should resolve it. 963 96420130516: 965 Use bmake by default. 966 Whereas before one could choose to build with bmake via 967 -DWITH_BMAKE one must now use -DWITHOUT_BMAKE to use the old 968 make. The goal is to remove these knobs for 10-RELEASE. 969 970 It is worth noting that bmake (like gmake) treats the command 971 line as the unit of failure, rather than statements within the 972 command line. Thus '(cd some/where && dosomething)' is safer 973 than 'cd some/where; dosomething'. The '()' allows consistent 974 behavior in parallel build. 975 97620130429: 977 Fix a bug that allows NFS clients to issue READDIR on files. 978 97920130426: 980 The WITHOUT_IDEA option has been removed because 981 the IDEA patent expired. 982 98320130426: 984 The sysctl which controls TRIM support under ZFS has been renamed 985 from vfs.zfs.trim_disable -> vfs.zfs.trim.enabled and has been 986 enabled by default. 987 98820130425: 989 The mergemaster command now uses the default MAKEOBJDIRPREFIX 990 rather than creating it's own in the temporary directory in 991 order allow access to bootstrapped versions of tools such as 992 install and mtree. When upgrading from version of FreeBSD where 993 the install command does not support -l, you will need to 994 install a new mergemaster command if mergemaster -p is required. 995 This can be accomplished with the command (cd src/usr.sbin/mergemaster 996 && make install). 997 99820130404: 999 Legacy ATA stack, disabled and replaced by new CAM-based one since 1000 FreeBSD 9.0, completely removed from the sources. Kernel modules 1001 atadisk and atapi*, user-level tools atacontrol and burncd are 1002 removed. Kernel option `options ATA_CAM` is now permanently enabled 1003 and removed. 1004 100520130319: 1006 SOCK_CLOEXEC and SOCK_NONBLOCK flags have been added to socket(2) 1007 and socketpair(2). Software, in particular Kerberos, may 1008 automatically detect and use these during building. The resulting 1009 binaries will not work on older kernels. 1010 101120130308: 1012 CTL_DISABLE has also been added to the sparc64 GENERIC (for further 1013 information, see the respective 20130304 entry). 1014 101520130304: 1016 Recent commits to callout(9) changed the size of struct callout, 1017 so the KBI is probably heavily disturbed. Also, some functions 1018 in callout(9)/sleep(9)/sleepqueue(9)/condvar(9) KPIs were replaced 1019 by macros. Every kernel module using it won't load, so rebuild 1020 is requested. 1021 1022 The ctl device has been re-enabled in GENERIC for i386 and amd64, 1023 but does not initialize by default (because of the new CTL_DISABLE 1024 option) to save memory. To re-enable it, remove the CTL_DISABLE 1025 option from the kernel config file or set kern.cam.ctl.disable=0 1026 in /boot/loader.conf. 1027 102820130301: 1029 The ctl device has been disabled in GENERIC for i386 and amd64. 1030 This was done due to the extra memory being allocated at system 1031 initialisation time by the ctl driver which was only used if 1032 a CAM target device was created. This makes a FreeBSD system 1033 unusable on 128MB or less of RAM. 1034 103520130208: 1036 A new compression method (lz4) has been merged to -HEAD. Please 1037 refer to zpool-features(7) for more information. 1038 1039 Please refer to the "ZFS notes" section of this file for information 1040 on upgrading boot ZFS pools. 1041 104220130129: 1043 A BSD-licensed patch(1) variant has been added and is installed 1044 as bsdpatch, being the GNU version the default patch. 1045 To inverse the logic and use the BSD-licensed one as default, 1046 while having the GNU version installed as gnupatch, rebuild 1047 and install world with the WITH_BSD_PATCH knob set. 1048 104920130121: 1050 Due to the use of the new -l option to install(1) during build 1051 and install, you must take care not to directly set the INSTALL 1052 make variable in your /etc/make.conf, /etc/src.conf, or on the 1053 command line. If you wish to use the -C flag for all installs 1054 you may be able to add INSTALL+=-C to /etc/make.conf or 1055 /etc/src.conf. 1056 105720130118: 1058 The install(1) option -M has changed meaning and now takes an 1059 argument that is a file or path to append logs to. In the 1060 unlikely event that -M was the last option on the command line 1061 and the command line contained at least two files and a target 1062 directory the first file will have logs appended to it. The -M 1063 option served little practical purpose in the last decade so its 1064 use is expected to be extremely rare. 1065 106620121223: 1067 After switching to Clang as the default compiler some users of ZFS 1068 on i386 systems started to experience stack overflow kernel panics. 1069 Please consider using 'options KSTACK_PAGES=4' in such configurations. 1070 107120121222: 1072 GEOM_LABEL now mangles label names read from file system metadata. 1073 Mangling affect labels containing spaces, non-printable characters, 1074 '%' or '"'. Device names in /etc/fstab and other places may need to 1075 be updated. 1076 107720121217: 1078 By default, only the 10 most recent kernel dumps will be saved. To 1079 restore the previous behaviour (no limit on the number of kernel dumps 1080 stored in the dump directory) add the following line to /etc/rc.conf: 1081 1082 savecore_flags="" 1083 108420121201: 1085 With the addition of auditdistd(8), a new auditdistd user is now 1086 required during installworld. "mergemaster -p" can be used to 1087 add the user prior to installworld, as documented in the handbook. 1088 108920121117: 1090 The sin6_scope_id member variable in struct sockaddr_in6 is now 1091 filled by the kernel before passing the structure to the userland via 1092 sysctl or routing socket. This means the KAME-specific embedded scope 1093 id in sin6_addr.s6_addr[2] is always cleared in userland application. 1094 This behavior can be controlled by net.inet6.ip6.deembed_scopeid. 1095 __FreeBSD_version is bumped to 1000025. 1096 109720121105: 1098 On i386 and amd64 systems WITH_CLANG_IS_CC is now the default. 1099 This means that the world and kernel will be compiled with clang 1100 and that clang will be installed as /usr/bin/cc, /usr/bin/c++, 1101 and /usr/bin/cpp. To disable this behavior and revert to building 1102 with gcc, compile with WITHOUT_CLANG_IS_CC. Really old versions 1103 of current may need to bootstrap WITHOUT_CLANG first if the clang 1104 build fails (its compatibility window doesn't extend to the 9 stable 1105 branch point). 1106 110720121102: 1108 The IPFIREWALL_FORWARD kernel option has been removed. Its 1109 functionality now turned on by default. 1110 111120121023: 1112 The ZERO_COPY_SOCKET kernel option has been removed and 1113 split into SOCKET_SEND_COW and SOCKET_RECV_PFLIP. 1114 NB: SOCKET_SEND_COW uses the VM page based copy-on-write 1115 mechanism which is not safe and may result in kernel crashes. 1116 NB: The SOCKET_RECV_PFLIP mechanism is useless as no current 1117 driver supports disposeable external page sized mbuf storage. 1118 Proper replacements for both zero-copy mechanisms are under 1119 consideration and will eventually lead to complete removal 1120 of the two kernel options. 1121 112220121023: 1123 The IPv4 network stack has been converted to network byte 1124 order. The following modules need to be recompiled together 1125 with kernel: carp(4), divert(4), gif(4), siftr(4), gre(4), 1126 pf(4), ipfw(4), ng_ipfw(4), stf(4). 1127 112820121022: 1129 Support for non-MPSAFE filesystems was removed from VFS. The 1130 VFS_VERSION was bumped, all filesystem modules shall be 1131 recompiled. 1132 113320121018: 1134 All the non-MPSAFE filesystems have been disconnected from 1135 the build. The full list includes: codafs, hpfs, ntfs, nwfs, 1136 portalfs, smbfs, xfs. 1137 113820121016: 1139 The interface cloning API and ABI has changed. The following 1140 modules need to be recompiled together with kernel: 1141 ipfw(4), pfsync(4), pflog(4), usb(4), wlan(4), stf(4), 1142 vlan(4), disc(4), edsc(4), if_bridge(4), gif(4), tap(4), 1143 faith(4), epair(4), enc(4), tun(4), if_lagg(4), gre(4). 1144 114520121015: 1146 The sdhci driver was split in two parts: sdhci (generic SD Host 1147 Controller logic) and sdhci_pci (actual hardware driver). 1148 No kernel config modifications are required, but if you 1149 load sdhc as a module you must switch to sdhci_pci instead. 1150 115120121014: 1152 Import the FUSE kernel and userland support into base system. 1153 115420121013: 1155 The GNU sort(1) program has been removed since the BSD-licensed 1156 sort(1) has been the default for quite some time and no serious 1157 problems have been reported. The corresponding WITH_GNU_SORT 1158 knob has also gone. 1159 116020121006: 1161 The pfil(9) API/ABI for AF_INET family has been changed. Packet 1162 filtering modules: pf(4), ipfw(4), ipfilter(4) need to be recompiled 1163 with new kernel. 1164 116520121001: 1166 The net80211(4) ABI has been changed to allow for improved driver 1167 PS-POLL and power-save support. All wireless drivers need to be 1168 recompiled to work with the new kernel. 1169 117020120913: 1171 The random(4) support for the VIA hardware random number 1172 generator (`PADLOCK') is no longer enabled unconditionally. 1173 Add the padlock_rng device in the custom kernel config if 1174 needed. The GENERIC kernels on i386 and amd64 do include the 1175 device, so the change only affects the custom kernel 1176 configurations. 1177 117820120908: 1179 The pf(4) packet filter ABI has been changed. pfctl(8) and 1180 snmp_pf module need to be recompiled to work with new kernel. 1181 118220120828: 1183 A new ZFS feature flag "com.delphix:empty_bpobj" has been merged 1184 to -HEAD. Pools that have empty_bpobj in active state can not be 1185 imported read-write with ZFS implementations that do not support 1186 this feature. For more information read the zpool-features(5) 1187 manual page. 1188 118920120727: 1190 The sparc64 ZFS loader has been changed to no longer try to auto- 1191 detect ZFS providers based on diskN aliases but now requires these 1192 to be explicitly listed in the OFW boot-device environment variable. 1193 119420120712: 1195 The OpenSSL has been upgraded to 1.0.1c. Any binaries requiring 1196 libcrypto.so.6 or libssl.so.6 must be recompiled. Also, there are 1197 configuration changes. Make sure to merge /etc/ssl/openssl.cnf. 1198 119920120712: 1200 The following sysctls and tunables have been renamed for consistency 1201 with other variables: 1202 kern.cam.da.da_send_ordered -> kern.cam.da.send_ordered 1203 kern.cam.ada.ada_send_ordered -> kern.cam.ada.send_ordered 1204 120520120628: 1206 The sort utility has been replaced with BSD sort. For now, GNU sort 1207 is also available as "gnusort" or the default can be set back to 1208 GNU sort by setting WITH_GNU_SORT. In this case, BSD sort will be 1209 installed as "bsdsort". 1210 121120120611: 1212 A new version of ZFS (pool version 5000) has been merged to -HEAD. 1213 Starting with this version the old system of ZFS pool versioning 1214 is superseded by "feature flags". This concept enables forward 1215 compatibility against certain future changes in functionality of ZFS 1216 pools. The first read-only compatible "feature flag" for ZFS pools 1217 is named "com.delphix:async_destroy". For more information 1218 read the new zpool-features(5) manual page. 1219 Please refer to the "ZFS notes" section of this file for information 1220 on upgrading boot ZFS pools. 1221 122220120417: 1223 The malloc(3) implementation embedded in libc now uses sources imported 1224 as contrib/jemalloc. The most disruptive API change is to 1225 /etc/malloc.conf. If your system has an old-style /etc/malloc.conf, 1226 delete it prior to installworld, and optionally re-create it using the 1227 new format after rebooting. See malloc.conf(5) for details 1228 (specifically the TUNING section and the "opt.*" entries in the MALLCTL 1229 NAMESPACE section). 1230 123120120328: 1232 Big-endian MIPS TARGET_ARCH values no longer end in "eb". mips64eb 1233 is now spelled mips64. mipsn32eb is now spelled mipsn32. mipseb is 1234 now spelled mips. This is to aid compatibility with third-party 1235 software that expects this naming scheme in uname(3). Little-endian 1236 settings are unchanged. If you are updating a big-endian mips64 machine 1237 from before this change, you may need to set MACHINE_ARCH=mips64 in 1238 your environment before the new build system will recognize your machine. 1239 124020120306: 1241 Disable by default the option VFS_ALLOW_NONMPSAFE for all supported 1242 platforms. 1243 124420120229: 1245 Now unix domain sockets behave "as expected" on nullfs(5). Previously 1246 nullfs(5) did not pass through all behaviours to the underlying layer, 1247 as a result if we bound to a socket on the lower layer we could connect 1248 only to the lower path; if we bound to the upper layer we could connect 1249 only to the upper path. The new behavior is one can connect to both the 1250 lower and the upper paths regardless what layer path one binds to. 1251 125220120211: 1253 The getifaddrs upgrade path broken with 20111215 has been restored. 1254 If you have upgraded in between 20111215 and 20120209 you need to 1255 recompile libc again with your kernel. You still need to recompile 1256 world to be able to configure CARP but this restriction already 1257 comes from 20111215. 1258 125920120114: 1260 The set_rcvar() function has been removed from /etc/rc.subr. All 1261 base and ports rc.d scripts have been updated, so if you have a 1262 port installed with a script in /usr/local/etc/rc.d you can either 1263 hand-edit the rcvar= line, or reinstall the port. 1264 1265 An easy way to handle the mass-update of /etc/rc.d: 1266 rm /etc/rc.d/* && mergemaster -i 1267 126820120109: 1269 panic(9) now stops other CPUs in the SMP systems, disables interrupts 1270 on the current CPU and prevents other threads from running. 1271 This behavior can be reverted using the kern.stop_scheduler_on_panic 1272 tunable/sysctl. 1273 The new behavior can be incompatible with kern.sync_on_panic. 1274 127520111215: 1276 The carp(4) facility has been changed significantly. Configuration 1277 of the CARP protocol via ifconfig(8) has changed, as well as format 1278 of CARP events submitted to devd(8) has changed. See manual pages 1279 for more information. The arpbalance feature of carp(4) is currently 1280 not supported anymore. 1281 1282 Size of struct in_aliasreq, struct in6_aliasreq has changed. User 1283 utilities using SIOCAIFADDR, SIOCAIFADDR_IN6, e.g. ifconfig(8), 1284 need to be recompiled. 1285 128620111122: 1287 The acpi_wmi(4) status device /dev/wmistat has been renamed to 1288 /dev/wmistat0. 1289 129020111108: 1291 The option VFS_ALLOW_NONMPSAFE option has been added in order to 1292 explicitely support non-MPSAFE filesystems. 1293 It is on by default for all supported platform at this present 1294 time. 1295 129620111101: 1297 The broken amd(4) driver has been replaced with esp(4) in the amd64, 1298 i386 and pc98 GENERIC kernel configuration files. 1299 130020110930: 1301 sysinstall has been removed 1302 130320110923: 1304 The stable/9 branch created in subversion. This corresponds to the 1305 RELENG_9 branch in CVS. 1306 1307COMMON ITEMS: 1308 1309 General Notes 1310 ------------- 1311 Avoid using make -j when upgrading. While generally safe, there are 1312 sometimes problems using -j to upgrade. If your upgrade fails with 1313 -j, please try again without -j. From time to time in the past there 1314 have been problems using -j with buildworld and/or installworld. This 1315 is especially true when upgrading between "distant" versions (eg one 1316 that cross a major release boundary or several minor releases, or when 1317 several months have passed on the -current branch). 1318 1319 Sometimes, obscure build problems are the result of environment 1320 poisoning. This can happen because the make utility reads its 1321 environment when searching for values for global variables. To run 1322 your build attempts in an "environmental clean room", prefix all make 1323 commands with 'env -i '. See the env(1) manual page for more details. 1324 1325 When upgrading from one major version to another it is generally best 1326 to upgrade to the latest code in the currently installed branch first, 1327 then do an upgrade to the new branch. This is the best-tested upgrade 1328 path, and has the highest probability of being successful. Please try 1329 this approach before reporting problems with a major version upgrade. 1330 1331 When upgrading a live system, having a root shell around before 1332 installing anything can help undo problems. Not having a root shell 1333 around can lead to problems if pam has changed too much from your 1334 starting point to allow continued authentication after the upgrade. 1335 1336 This file should be read as a log of events. When a later event changes 1337 information of a prior event, the prior event should not be deleted. 1338 Instead, a pointer to the entry with the new information should be 1339 placed in the old entry. Readers of this file should also sanity check 1340 older entries before relying on them blindly. Authors of new entries 1341 should write them with this in mind. 1342 1343 ZFS notes 1344 --------- 1345 When upgrading the boot ZFS pool to a new version, always follow 1346 these two steps: 1347 1348 1.) recompile and reinstall the ZFS boot loader and boot block 1349 (this is part of "make buildworld" and "make installworld") 1350 1351 2.) update the ZFS boot block on your boot drive 1352 1353 The following example updates the ZFS boot block on the first 1354 partition (freebsd-boot) of a GPT partitioned drive ada0: 1355 "gpart bootcode -p /boot/gptzfsboot -i 1 ada0" 1356 1357 Non-boot pools do not need these updates. 1358 1359 To build a kernel 1360 ----------------- 1361 If you are updating from a prior version of FreeBSD (even one just 1362 a few days old), you should follow this procedure. It is the most 1363 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 1364 1365 make kernel-toolchain 1366 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 1367 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 1368 1369 To test a kernel once 1370 --------------------- 1371 If you just want to boot a kernel once (because you are not sure 1372 if it works, or if you want to boot a known bad kernel to provide 1373 debugging information) run 1374 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 1375 nextboot -k testkernel 1376 1377 To just build a kernel when you know that it won't mess you up 1378 -------------------------------------------------------------- 1379 This assumes you are already running a CURRENT system. Replace 1380 ${arch} with the architecture of your machine (e.g. "i386", 1381 "arm", "amd64", "ia64", "pc98", "sparc64", "powerpc", "mips", etc). 1382 1383 cd src/sys/${arch}/conf 1384 config KERNEL_NAME_HERE 1385 cd ../compile/KERNEL_NAME_HERE 1386 make depend 1387 make 1388 make install 1389 1390 If this fails, go to the "To build a kernel" section. 1391 1392 To rebuild everything and install it on the current system. 1393 ----------------------------------------------------------- 1394 # Note: sometimes if you are running current you gotta do more than 1395 # is listed here if you are upgrading from a really old current. 1396 1397 <make sure you have good level 0 dumps> 1398 make buildworld 1399 make kernel KERNCONF=YOUR_KERNEL_HERE 1400 [1] 1401 <reboot in single user> [3] 1402 mergemaster -Fp [5] 1403 make installworld 1404 mergemaster -Fi [4] 1405 make delete-old [6] 1406 <reboot> 1407 1408 To cross-install current onto a separate partition 1409 -------------------------------------------------- 1410 # In this approach we use a separate partition to hold 1411 # current's root, 'usr', and 'var' directories. A partition 1412 # holding "/", "/usr" and "/var" should be about 2GB in 1413 # size. 1414 1415 <make sure you have good level 0 dumps> 1416 <boot into -stable> 1417 make buildworld 1418 make buildkernel KERNCONF=YOUR_KERNEL_HERE 1419 <maybe newfs current's root partition> 1420 <mount current's root partition on directory ${CURRENT_ROOT}> 1421 make installworld DESTDIR=${CURRENT_ROOT} -DDB_FROM_SRC 1422 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 1423 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 1424 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 1425 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 1426 <reboot into current> 1427 <do a "native" rebuild/install as described in the previous section> 1428 <maybe install compatibility libraries from ports/misc/compat*> 1429 <reboot> 1430 1431 1432 To upgrade in-place from stable to current 1433 ---------------------------------------------- 1434 <make sure you have good level 0 dumps> 1435 make buildworld [9] 1436 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 1437 [1] 1438 <reboot in single user> [3] 1439 mergemaster -Fp [5] 1440 make installworld 1441 mergemaster -Fi [4] 1442 make delete-old [6] 1443 <reboot> 1444 1445 Make sure that you've read the UPDATING file to understand the 1446 tweaks to various things you need. At this point in the life 1447 cycle of current, things change often and you are on your own 1448 to cope. The defaults can also change, so please read ALL of 1449 the UPDATING entries. 1450 1451 Also, if you are tracking -current, you must be subscribed to 1452 freebsd-current@freebsd.org. Make sure that before you update 1453 your sources that you have read and understood all the recent 1454 messages there. If in doubt, please track -stable which has 1455 much fewer pitfalls. 1456 1457 [1] If you have third party modules, such as vmware, you 1458 should disable them at this point so they don't crash your 1459 system on reboot. 1460 1461 [3] From the bootblocks, boot -s, and then do 1462 fsck -p 1463 mount -u / 1464 mount -a 1465 cd src 1466 adjkerntz -i # if CMOS is wall time 1467 Also, when doing a major release upgrade, it is required that 1468 you boot into single user mode to do the installworld. 1469 1470 [4] Note: This step is non-optional. Failure to do this step 1471 can result in a significant reduction in the functionality of the 1472 system. Attempting to do it by hand is not recommended and those 1473 that pursue this avenue should read this file carefully, as well 1474 as the archives of freebsd-current and freebsd-hackers mailing lists 1475 for potential gotchas. The -U option is also useful to consider. 1476 See mergemaster(8) for more information. 1477 1478 [5] Usually this step is a noop. However, from time to time 1479 you may need to do this if you get unknown user in the following 1480 step. It never hurts to do it all the time. You may need to 1481 install a new mergemaster (cd src/usr.sbin/mergemaster && make 1482 install) after the buildworld before this step if you last updated 1483 from current before 20130425 or from -stable before 20130430. 1484 1485 [6] This only deletes old files and directories. Old libraries 1486 can be deleted by "make delete-old-libs", but you have to make 1487 sure that no program is using those libraries anymore. 1488 1489 [8] In order to have a kernel that can run the 4.x binaries needed to 1490 do an installworld, you must include the COMPAT_FREEBSD4 option in 1491 your kernel. Failure to do so may leave you with a system that is 1492 hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 is 1493 required to run the 5.x binaries on more recent kernels. And so on 1494 for COMPAT_FREEBSD6 and COMPAT_FREEBSD7. 1495 1496 Make sure that you merge any new devices from GENERIC since the 1497 last time you updated your kernel config file. 1498 1499 [9] When checking out sources, you must include the -P flag to have 1500 cvs prune empty directories. 1501 1502 If CPUTYPE is defined in your /etc/make.conf, make sure to use the 1503 "?=" instead of the "=" assignment operator, so that buildworld can 1504 override the CPUTYPE if it needs to. 1505 1506 MAKEOBJDIRPREFIX must be defined in an environment variable, and 1507 not on the command line, or in /etc/make.conf. buildworld will 1508 warn if it is improperly defined. 1509FORMAT: 1510 1511This file contains a list, in reverse chronological order, of major 1512breakages in tracking -current. It is not guaranteed to be a complete 1513list of such breakages, and only contains entries since September 23, 2011. 1514If you need to see UPDATING entries from before that date, you will need 1515to fetch an UPDATING file from an older FreeBSD release. 1516 1517Copyright information: 1518 1519Copyright 1998-2009 M. Warner Losh. All Rights Reserved. 1520 1521Redistribution, publication, translation and use, with or without 1522modification, in full or in part, in any form or format of this 1523document are permitted without further permission from the author. 1524 1525THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 1526IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 1527WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 1528DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 1529INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 1530(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 1531SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 1532HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 1533STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 1534IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 1535POSSIBILITY OF SUCH DAMAGE. 1536 1537Contact Warner Losh if you have any questions about your use of 1538this document. 1539 1540$FreeBSD: head/UPDATING 297000 2016-03-18 01:28:41Z jhibbits $ 1541