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 https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.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 12.x IS SLOW: 20 FreeBSD 12.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 34 35****************************** SPECIAL WARNING: ****************************** 36 37 Due to a bug in some versions of clang that's very hard to workaround in 38 the upgrade process, to upgrade to -current you must first upgrade 39 either stable/9 after r286035 or stable/10 after r286033 (including 40 10.3-RELEASE) or current after r286007 (including stable/11 and 41 11.0-RELEASE). These revisions post-date the 10.2 and 9.3 releases, so 42 you'll need to take the unusual step of upgrading to the tip of the 43 stable branch before moving to 11 or -current via a source upgrade. 44 stable/11 and 11.0-RELEASE have working newer compiler. This differs 45 from the historical situation where one could upgrade from anywhere on 46 the last couple of stable branches, so be careful. 47 48 If you're running a hybrid system on 9.x or 10.x with an updated clang 49 compiler or are using an supported external toolchain, the build system 50 will allow the upgrade. Otherwise it will print a reminder. 51 52****************************** SPECIAL WARNING: ****************************** 53 5420171106: 55 The naive and non-compliant support of posix_fallocate(2) in ZFS 56 has been removed as of r325320. The system call now returns EINVAL 57 when used on a ZFS file. Although the new behavior complies with the 58 standard, some consumers are not prepared to cope with it. 59 One known victim is lld prior to r325420. 60 6120171102: 62 Building in a FreeBSD src checkout will automatically create object 63 directories now rather than store files in the current directory if 64 'make obj' was not ran. Calling 'make obj' is no longer necesarry. 65 This feature can be disabled by setting WITHOUT_AUTO_OBJ=yes in 66 /etc/src-env.conf (not /etc/src.conf), or passing the option in the 67 environment. 68 6920171101: 70 The default MAKEOBJDIR has changed from /usr/obj/<srcdir> for native 71 builds, and /usr/obj/<arch>/<srcdir> for cross-builds, to a unified 72 /usr/obj/<srcdir>/<arch>. This behavior can be changed to the old 73 format by setting WITHOUT_UNIFIED_OBJDIR=yes in /etc/src-env.conf, 74 the environment, or with -DWITHOUT_UNIFIED_OBJDIR when building. 75 The UNIFIED_OBJDIR option is a transitional feature that will be 76 removed for 12.0 release; please migrate to the new format for any 77 tools by looking up the OBJDIR used by 'make -V .OBJDIR' means rather 78 than hardcoding paths. 79 8020171028: 81 The native-xtools target no longer installs the files by default to the 82 OBJDIR. Use the native-xtools-install target with a DESTDIR to install 83 to ${DESTDIR}/${NXTP} where NXTP defaults to /nxb-bin. 84 8520171021: 86 As part of the boot loader infrastructure cleanup, LOADER_*_SUPPORT 87 options are changing from controlling the build if defined / undefined 88 to controlling the build with explicit 'yes' or 'no' values. They will 89 shift to WITH/WITHOUT options to match other options in the system. 90 9120171010: 92 libstand has turned into a private library for sys/boot use only. 93 It is no longer supported as a public interface outside of sys/boot. 94 9520171005: 96 The arm port has split armv6 into armv6 and armv7. armv7 is now 97 a valid TARGET_ARCH/MACHINE_ARCH setting. If you have an armv7 system 98 and are running a kernel from before r324363, you will need to add 99 MACHINE_ARCH=armv7 to 'make buildworld' to do a native build. 100 10120171003: 102 When building multiple kernels using KERNCONF, non-existent KERNCONF 103 files will produce an error and buildkernel will fail. Previously 104 missing KERNCONF files silently failed giving no indication as to 105 why, only to subsequently discover during installkernel that the 106 desired kernel was never built in the first place. 107 10820170912: 109 The default serial number format for CTL LUNs has changed. This will 110 affect users who use /dev/diskid/* device nodes, or whose FibreChannel 111 or iSCSI clients care about their LUNs' serial numbers. Users who 112 require serial number stability should hardcode serial numbers in 113 /etc/ctl.conf . 114 11520170912: 116 For 32-bit arm compiled for hard-float support, soft-floating point 117 binaries now always get their shared libraries from 118 LD_SOFT_LIBRARY_PATH (in the past, this was only used if 119 /usr/libsoft also existed). Only users with a hard-float ld.so, but 120 soft-float everything else should be affected. 121 12220170826: 123 The geli password typed at boot is now hidden. To restore the previous 124 behavior, see geli(8) for configuration options. 125 12620170825: 127 Move PMTUD blackhole counters to TCPSTATS and remove them from bare 128 sysctl values. Minor nit, but requires a rebuild of both world/kernel 129 to complete. 130 13120170814: 132 "make check" behavior (made in ^/head@r295380) has been changed to 133 execute from a limited sandbox, as opposed to executing from 134 ${TESTSDIR}. 135 136 Behavioral changes: 137 - The "beforecheck" and "aftercheck" targets are now specified. 138 - ${CHECKDIR} (added in commit noted above) has been removed. 139 - Legacy behavior can be enabled by setting 140 WITHOUT_MAKE_CHECK_USE_SANDBOX in src.conf(5) or the environment. 141 142 If the limited sandbox mode is enabled, "make check" will execute 143 "make distribution", then install, execute the tests, and clean up the 144 sandbox if successful. 145 146 The "make distribution" and "make install" targets are typically run as 147 root to set appropriate permissions and ownership at installation time. 148 The end-user should set "WITH_INSTALL_AS_USER" in src.conf(5) or the 149 environment if executing "make check" with limited sandbox mode using 150 an unprivileged user. 151 15220170808: 153 Since the switch to GPT disk labels, fsck for UFS/FFS has been 154 unable to automatically find alternate superblocks. As of r322297, 155 the information needed to find alternate superblocks has been 156 moved to the end of the area reserved for the boot block. 157 Filesystems created with a newfs of this vintage or later 158 will create the recovery information. If you have a filesystem 159 created prior to this change and wish to have a recovery block 160 created for your filesystem, you can do so by running fsck in 161 forground mode (i.e., do not use the -p or -y options). As it 162 starts, fsck will ask ``SAVE DATA TO FIND ALTERNATE SUPERBLOCKS'' 163 to which you should answer yes. 164 16520170728: 166 As of r321665, an NFSv4 server configuration that services 167 Kerberos mounts or clients that do not support the uid/gid in 168 owner/owner_group string capability, must explicitly enable 169 the nfsuserd daemon by adding nfsuserd_enable="YES" to the 170 machine's /etc/rc.conf file. 171 17220170722: 173 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 5.0.0. 174 Please see the 20141231 entry below for information about prerequisites 175 and upgrading, if you are not already using clang 3.5.0 or higher. 176 17720170701: 178 WITHOUT_RCMDS is now the default. Set WITH_RCMDS if you need the 179 r-commands (rlogin, rsh, etc.) to be built with the base system. 180 18120170625: 182 The FreeBSD/powerpc platform now uses a 64-bit type for time_t. This is 183 a very major ABI incompatible change, so users of FreeBSD/powerpc must 184 be careful when performing source upgrades. It is best to run 185 'make installworld' from an alternate root system, either a live 186 CD/memory stick, or a temporary root partition. Additionally, all ports 187 must be recompiled. powerpc64 is largely unaffected, except in the case 188 of 32-bit compatibility. All 32-bit binaries will be affected. 189 19020170623: 191 Forward compatibility for the "ino64" project have been committed. This 192 will allow most new binaries to run on older kernels in a limited 193 fashion. This prevents many of the common foot-shooting actions in the 194 upgrade as well as the limited ability to roll back the kernel across 195 the ino64 upgrade. Complicated use cases may not work properly, though 196 enough simpler ones work to allow recovery in most situations. 197 19820170620: 199 Switch back to the BSDL dtc (Device Tree Compiler). Set WITH_GPL_DTC 200 if you require the GPL compiler. 201 20220170618: 203 The internal ABI used for communication between the NFS kernel modules 204 was changed by r320085, so __FreeBSD_version was bumped to 205 ensure all the NFS related modules are updated together. 206 20720170617: 208 The ABI of struct event was changed by extending the data 209 member to 64bit and adding ext fields. For upgrade, same 210 precautions as for the entry 20170523 "ino64" must be 211 followed. 212 21320170531: 214 The GNU roff toolchain has been removed from base. To render manpages 215 which are not supported by mandoc(1), man(1) can fallback on GNU roff 216 from ports (and recommends to install it). 217 To render roff(7) documents, consider using GNU roff from ports or the 218 heirloom doctools roff toolchain from ports via pkg install groff or 219 via pkg install heirloom-doctools. 220 22120170524: 222 The ath(4) and ath_hal(4) modules now build piecemeal to allow for 223 smaller runtime footprint builds. This is useful for embedded systems 224 which only require one chipset support. 225 226 If you load it as a module, make sure this is in /boot/loader.conf: 227 228 if_ath_load="YES" 229 230 This will load the HAL, all chip/RF backends and if_ath_pci. 231 If you have if_ath_pci in /boot/loader.conf, ensure it is after 232 if_ath or it will not load any HAL chipset support. 233 234 If you want to selectively load things (eg on ye cheape ARM/MIPS 235 platforms where RAM is at a premium) you should: 236 237 * load ath_hal 238 * load the chip modules in question 239 * load ath_rate, ath_dfs 240 * load ath_main 241 * load if_ath_pci and/or if_ath_ahb depending upon your particular 242 bus bind type - this is where probe/attach is done. 243 244 For further comments/feedback, poke adrian@ . 245 24620170523: 247 The "ino64" 64-bit inode project has been committed, which extends 248 a number of types to 64 bits. Upgrading in place requires care and 249 adherence to the documented upgrade procedure. 250 251 If using a custom kernel configuration ensure that the 252 COMPAT_FREEBSD11 option is included (as during the upgrade the 253 system will be running the ino64 kernel with the existing world). 254 255 For the safest in-place upgrade begin by removing previous build 256 artifacts via "rm -rf /usr/obj/*". Then, carefully follow the 257 full procedure documented below under the heading "To rebuild 258 everything and install it on the current system." Specifically, 259 a reboot is required after installing the new kernel before 260 installing world. 261 26220170424: 263 The NATM framework including the en(4), fatm(4), hatm(4), and 264 patm(4) devices has been removed. Consumers should plan a 265 migration before the end-of-life date for FreeBSD 11. 266 26720170420: 268 GNU diff has been replaced by a BSD licensed diff. Some features of GNU 269 diff has not been implemented, if those are needed a newer version of 270 GNU diff is available via the diffutils package under the gdiff name. 271 27220170413: 273 As of r316810 for ipfilter, keep frags is no longer assumed when 274 keep state is specified in a rule. r316810 aligns ipfilter with 275 documentation in man pages separating keep frags from keep state. 276 This allows keep state to be specified without forcing keep frags 277 and allows keep frags to be specified independently of keep state. 278 To maintain previous behaviour, also specify keep frags with 279 keep state (as documented in ipf.conf.5). 280 28120170407: 282 arm64 builds now use the base system LLD 4.0.0 linker by default, 283 instead of requiring that the aarch64-binutils port or package be 284 installed. To continue using aarch64-binutils, set 285 CROSS_BINUTILS_PREFIX=/usr/local/aarch64-freebsd/bin . 286 28720170405: 288 The UDP optimization in entry 20160818 that added the sysctl 289 net.inet.udp.require_l2_bcast has been reverted. L2 broadcast 290 packets will no longer be treated as L3 broadcast packets. 291 29220170331: 293 Binds and sends to the loopback addresses, IPv6 and IPv4, will now 294 use any explicitly assigned loopback address available in the jail 295 instead of using the first assigned address of the jail. 296 29720170329: 298 The ctl.ko module no longer implements the iSCSI target frontend: 299 cfiscsi.ko does instead. 300 301 If building cfiscsi.ko as a kernel module, the module can be loaded 302 via one of the following methods: 303 - `cfiscsi_load="YES"` in loader.conf(5). 304 - Add `cfiscsi` to `$kld_list` in rc.conf(5). 305 - ctladm(8)/ctld(8), when compiled with iSCSI support 306 (`WITH_ISCSI=yes` in src.conf(5)) 307 308 Please see cfiscsi(4) for more details. 309 31020170316: 311 The mmcsd.ko module now additionally depends on geom_flashmap.ko. 312 Also, mmc.ko and mmcsd.ko need to be a matching pair built from the 313 same source (previously, the dependency of mmcsd.ko on mmc.ko was 314 missing, but mmcsd.ko now will refuse to load if it is incompatible 315 with mmc.ko). 316 31720170315: 318 The syntax of ipfw(8) named states was changed to avoid ambiguity. 319 If you have used named states in the firewall rules, you need to modify 320 them after installworld and before rebooting. Now named states must 321 be prefixed with colon. 322 32320170311: 324 The old drm (sys/dev/drm/) drivers for i915 and radeon have been 325 removed as the userland we provide cannot use them. The KMS version 326 (sys/dev/drm2) supports the same hardware. 327 32820170302: 329 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 4.0.0. 330 Please see the 20141231 entry below for information about prerequisites 331 and upgrading, if you are not already using clang 3.5.0 or higher. 332 33320170221: 334 The code that provides support for ZFS .zfs/ directory functionality 335 has been reimplemented. It's not possible now to create a snapshot 336 by mkdir under .zfs/snapshot/. That should be the only user visible 337 change. 338 33920170216: 340 EISA bus support has been removed. The WITH_EISA option is no longer 341 valid. 342 34320170215: 344 MCA bus support has been removed. 345 34620170127: 347 The WITH_LLD_AS_LD / WITHOUT_LLD_AS_LD build knobs have been renamed 348 WITH_LLD_IS_LD / WITHOUT_LLD_IS_LD, for consistency with CLANG_IS_CC. 349 35020170112: 351 The EM_MULTIQUEUE kernel configuration option is deprecated now that 352 the em(4) driver conforms to iflib specifications. 353 35420170109: 355 The igb(4), em(4) and lem(4) ethernet drivers are now implemented via 356 IFLIB. If you have a custom kernel configuration that excludes em(4) 357 but you use igb(4), you need to re-add em(4) to your custom configuration. 358 35920161217: 360 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.9.1. 361 Please see the 20141231 entry below for information about prerequisites 362 and upgrading, if you are not already using clang 3.5.0 or higher. 363 36420161124: 365 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.9.0. 366 Please see the 20141231 entry below for information about prerequisites 367 and upgrading, if you are not already using clang 3.5.0 or higher. 368 36920161119: 370 The layout of the pmap structure has changed for powerpc to put the pmap 371 statistics at the front for all CPU variations. libkvm(3) and all tools 372 that link against it need to be recompiled. 373 37420161030: 375 isl(4) and cyapa(4) drivers now require a new driver, 376 chromebook_platform(4), to work properly on Chromebook-class hardware. 377 On other types of hardware the drivers may need to be configured using 378 device hints. Please see the corresponding manual pages for details. 379 38020161017: 381 The urtwn(4) driver was merged into rtwn(4) and now consists of 382 rtwn(4) main module + rtwn_usb(4) and rtwn_pci(4) bus-specific 383 parts. 384 Also, firmware for RTL8188CE was renamed due to possible name 385 conflict (rtwnrtl8192cU(B) -> rtwnrtl8192cE(B)) 386 38720161015: 388 GNU rcs has been removed from base. It is available as packages: 389 - rcs: Latest GPLv3 GNU rcs version. 390 - rcs57: Copy of the latest version of GNU rcs (GPLv2) before it was 391 removed from base. 392 39320161008: 394 Use of the cc_cdg, cc_chd, cc_hd, or cc_vegas congestion control 395 modules now requires that the kernel configuration contain the 396 TCP_HHOOK option. (This option is included in the GENERIC kernel.) 397 39820161003: 399 The WITHOUT_ELFCOPY_AS_OBJCOPY src.conf(5) knob has been retired. 400 ELF Tool Chain's elfcopy is always installed as /usr/bin/objcopy. 401 40220160924: 403 Relocatable object files with the extension of .So have been renamed 404 to use an extension of .pico instead. The purpose of this change is 405 to avoid a name clash with shared libraries on case-insensitive file 406 systems. On those file systems, foo.So is the same file as foo.so. 407 40820160918: 409 GNU rcs has been turned off by default. It can (temporarily) be built 410 again by adding WITH_RCS knob in src.conf. 411 Otherwise, GNU rcs is available from packages: 412 - rcs: Latest GPLv3 GNU rcs version. 413 - rcs57: Copy of the latest version of GNU rcs (GPLv2) from base. 414 41520160918: 416 The backup_uses_rcs functionality has been removed from rc.subr. 417 41820160908: 419 The queue(3) debugging macro, QUEUE_MACRO_DEBUG, has been split into 420 two separate components, QUEUE_MACRO_DEBUG_TRACE and 421 QUEUE_MACRO_DEBUG_TRASH. Define both for the original 422 QUEUE_MACRO_DEBUG behavior. 423 42420160824: 425 r304787 changed some ioctl interfaces between the iSCSI userspace 426 programs and the kernel. ctladm, ctld, iscsictl, and iscsid must be 427 rebuilt to work with new kernels. __FreeBSD_version has been bumped 428 to 1200005. 429 43020160818: 431 The UDP receive code has been updated to only treat incoming UDP 432 packets that were addressed to an L2 broadcast address as L3 433 broadcast packets. It is not expected that this will affect any 434 standards-conforming UDP application. The new behaviour can be 435 disabled by setting the sysctl net.inet.udp.require_l2_bcast to 436 0. 437 43820160818: 439 Remove the openbsd_poll system call. 440 __FreeBSD_version has been bumped because of this. 441 44220160622: 443 The libc stub for the pipe(2) system call has been replaced with 444 a wrapper that calls the pipe2(2) system call and the pipe(2) 445 system call is now only implemented by the kernels that include 446 "options COMPAT_FREEBSD10" in their config file (this is the 447 default). Users should ensure that this option is enabled in 448 their kernel or upgrade userspace to r302092 before upgrading their 449 kernel. 450 45120160527: 452 CAM will now strip leading spaces from SCSI disks' serial numbers. 453 This will affect users who create UFS filesystems on SCSI disks using 454 those disk's diskid device nodes. For example, if /etc/fstab 455 previously contained a line like 456 "/dev/diskid/DISK-%20%20%20%20%20%20%20ABCDEFG0123456", you should 457 change it to "/dev/diskid/DISK-ABCDEFG0123456". Users of geom 458 transforms like gmirror may also be affected. ZFS users should 459 generally be fine. 460 46120160523: 462 The bitstring(3) API has been updated with new functionality and 463 improved performance. But it is binary-incompatible with the old API. 464 Objects built with the new headers may not be linked against objects 465 built with the old headers. 466 46720160520: 468 The brk and sbrk functions have been removed from libc on arm64. 469 Binutils from ports has been updated to not link to these 470 functions and should be updated to the latest version before 471 installing a new libc. 472 47320160517: 474 The armv6 port now defaults to hard float ABI. Limited support 475 for running both hardfloat and soft float on the same system 476 is available using the libraries installed with -DWITH_LIBSOFT. 477 This has only been tested as an upgrade path for installworld 478 and packages may fail or need manual intervention to run. New 479 packages will be needed. 480 481 To update an existing self-hosted armv6hf system, you must add 482 TARGET_ARCH=armv6 on the make command line for both the build 483 and the install steps. 484 48520160510: 486 Kernel modules compiled outside of a kernel build now default to 487 installing to /boot/modules instead of /boot/kernel. Many kernel 488 modules built this way (such as those in ports) already overrode 489 KMODDIR explicitly to install into /boot/modules. However, 490 manually building and installing a module from /sys/modules will 491 now install to /boot/modules instead of /boot/kernel. 492 49320160414: 494 The CAM I/O scheduler has been committed to the kernel. There should be 495 no user visible impact. This does enable NCQ Trim on ada SSDs. While the 496 list of known rogues that claim support for this but actually corrupt 497 data is believed to be complete, be on the lookout for data 498 corruption. The known rogue list is believed to be complete: 499 500 o Crucial MX100, M550 drives with MU01 firmware. 501 o Micron M510 and M550 drives with MU01 firmware. 502 o Micron M500 prior to MU07 firmware 503 o Samsung 830, 840, and 850 all firmwares 504 o FCCT M500 all firmwares 505 506 Crucial has firmware http://www.crucial.com/usa/en/support-ssd-firmware 507 with working NCQ TRIM. For Micron branded drives, see your sales rep for 508 updated firmware. Black listed drives will work correctly because these 509 drives work correctly so long as no NCQ TRIMs are sent to them. Given 510 this list is the same as found in Linux, it's believed there are no 511 other rogues in the market place. All other models from the above 512 vendors work. 513 514 To be safe, if you are at all concerned, you can quirk each of your 515 drives to prevent NCQ from being sent by setting: 516 kern.cam.ada.X.quirks="0x2" 517 in loader.conf. If the drive requires the 4k sector quirk, set the 518 quirks entry to 0x3. 519 52020160330: 521 The FAST_DEPEND build option has been removed and its functionality is 522 now the one true way. The old mkdep(1) style of 'make depend' has 523 been removed. See 20160311 for further details. 524 52520160317: 526 Resource range types have grown from unsigned long to uintmax_t. All 527 drivers, and anything using libdevinfo, need to be recompiled. 528 52920160311: 530 WITH_FAST_DEPEND is now enabled by default for in-tree and out-of-tree 531 builds. It no longer runs mkdep(1) during 'make depend', and the 532 'make depend' stage can safely be skipped now as it is auto ran 533 when building 'make all' and will generate all SRCS and DPSRCS before 534 building anything else. Dependencies are gathered at compile time with 535 -MF flags kept in separate .depend files per object file. Users should 536 run 'make cleandepend' once if using -DNO_CLEAN to clean out older 537 stale .depend files. 538 53920160306: 540 On amd64, clang 3.8.0 can now insert sections of type AMD64_UNWIND into 541 kernel modules. Therefore, if you load any kernel modules at boot time, 542 please install the boot loaders after you install the kernel, but before 543 rebooting, e.g.: 544 545 make buildworld 546 make kernel KERNCONF=YOUR_KERNEL_HERE 547 make -C sys/boot install 548 <reboot in single user> 549 550 Then follow the usual steps, described in the General Notes section, 551 below. 552 55320160305: 554 Clang, llvm, lldb and compiler-rt have been upgraded to 3.8.0. Please 555 see the 20141231 entry below for information about prerequisites and 556 upgrading, if you are not already using clang 3.5.0 or higher. 557 55820160301: 559 The AIO subsystem is now a standard part of the kernel. The 560 VFS_AIO kernel option and aio.ko kernel module have been removed. 561 Due to stability concerns, asynchronous I/O requests are only 562 permitted on sockets and raw disks by default. To enable 563 asynchronous I/O requests on all file types, set the 564 vfs.aio.enable_unsafe sysctl to a non-zero value. 565 56620160226: 567 The ELF object manipulation tool objcopy is now provided by the 568 ELF Tool Chain project rather than by GNU binutils. It should be a 569 drop-in replacement, with the addition of arm64 support. The 570 (temporary) src.conf knob WITHOUT_ELFCOPY_AS_OBJCOPY knob may be set 571 to obtain the GNU version if necessary. 572 57320160129: 574 Building ZFS pools on top of zvols is prohibited by default. That 575 feature has never worked safely; it's always been prone to deadlocks. 576 Using a zvol as the backing store for a VM guest's virtual disk will 577 still work, even if the guest is using ZFS. Legacy behavior can be 578 restored by setting vfs.zfs.vol.recursive=1. 579 58020160119: 581 The NONE and HPN patches has been removed from OpenSSH. They are 582 still available in the security/openssh-portable port. 583 58420160113: 585 With the addition of ypldap(8), a new _ypldap user is now required 586 during installworld. "mergemaster -p" can be used to add the user 587 prior to installworld, as documented in the handbook. 588 58920151216: 590 The tftp loader (pxeboot) now uses the option root-path directive. As a 591 consequence it no longer looks for a pxeboot.4th file on the tftp 592 server. Instead it uses the regular /boot infrastructure as with the 593 other loaders. 594 59520151211: 596 The code to start recording plug and play data into the modules has 597 been committed. While the old tools will properly build a new kernel, 598 a number of warnings about "unknown metadata record 4" will be produced 599 for an older kldxref. To avoid such warnings, make sure to rebuild 600 the kernel toolchain (or world). Make sure that you have r292078 or 601 later when trying to build 292077 or later before rebuilding. 602 60320151207: 604 Debug data files are now built by default with 'make buildworld' and 605 installed with 'make installworld'. This facilitates debugging but 606 requires more disk space both during the build and for the installed 607 world. Debug files may be disabled by setting WITHOUT_DEBUG_FILES=yes 608 in src.conf(5). 609 61020151130: 611 r291527 changed the internal interface between the nfsd.ko and 612 nfscommon.ko modules. As such, they must both be upgraded to-gether. 613 __FreeBSD_version has been bumped because of this. 614 61520151108: 616 Add support for unicode collation strings leads to a change of 617 order of files listed by ls(1) for example. To get back to the old 618 behaviour, set LC_COLLATE environment variable to "C". 619 620 Databases administrators will need to reindex their databases given 621 collation results will be different. 622 623 Due to a bug in install(1) it is recommended to remove the ancient 624 locales before running make installworld. 625 626 rm -rf /usr/share/locale/* 627 62820151030: 629 The OpenSSL has been upgraded to 1.0.2d. Any binaries requiring 630 libcrypto.so.7 or libssl.so.7 must be recompiled. 631 63220151020: 633 Qlogic 24xx/25xx firmware images were updated from 5.5.0 to 7.3.0. 634 Kernel modules isp_2400_multi and isp_2500_multi were removed and 635 should be replaced with isp_2400 and isp_2500 modules respectively. 636 63720151017: 638 The build previously allowed using 'make -n' to not recurse into 639 sub-directories while showing what commands would be executed, and 640 'make -n -n' to recursively show commands. Now 'make -n' will recurse 641 and 'make -N' will not. 642 64320151012: 644 If you specify SENDMAIL_MC or SENDMAIL_CF in make.conf, mergemaster 645 and etcupdate will now use this file. A custom sendmail.cf is now 646 updated via this mechanism rather than via installworld. If you had 647 excluded sendmail.cf in mergemaster.rc or etcupdate.conf, you may 648 want to remove the exclusion or change it to "always install". 649 /etc/mail/sendmail.cf is now managed the same way regardless of 650 whether SENDMAIL_MC/SENDMAIL_CF is used. If you are not using 651 SENDMAIL_MC/SENDMAIL_CF there should be no change in behavior. 652 65320151011: 654 Compatibility shims for legacy ATA device names have been removed. 655 It includes ATA_STATIC_ID kernel option, kern.cam.ada.legacy_aliases 656 and kern.geom.raid.legacy_aliases loader tunables, kern.devalias.* 657 environment variables, /dev/ad* and /dev/ar* symbolic links. 658 65920151006: 660 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.7.0. 661 Please see the 20141231 entry below for information about prerequisites 662 and upgrading, if you are not already using clang 3.5.0 or higher. 663 66420150924: 665 Kernel debug files have been moved to /usr/lib/debug/boot/kernel/, 666 and renamed from .symbols to .debug. This reduces the size requirements 667 on the boot partition or file system and provides consistency with 668 userland debug files. 669 670 When using the supported kernel installation method the 671 /usr/lib/debug/boot/kernel directory will be renamed (to kernel.old) 672 as is done with /boot/kernel. 673 674 Developers wishing to maintain the historical behavior of installing 675 debug files in /boot/kernel/ can set KERN_DEBUGDIR="" in src.conf(5). 676 67720150827: 678 The wireless drivers had undergone changes that remove the 'parent 679 interface' from the ifconfig -l output. The rc.d network scripts 680 used to check presence of a parent interface in the list, so old 681 scripts would fail to start wireless networking. Thus, etcupdate(3) 682 or mergemaster(8) run is required after kernel update, to update your 683 rc.d scripts in /etc. 684 68520150827: 686 pf no longer supports 'scrub fragment crop' or 'scrub fragment drop-ovl' 687 These configurations are now automatically interpreted as 688 'scrub fragment reassemble'. 689 69020150817: 691 Kernel-loadable modules for the random(4) device are back. To use 692 them, the kernel must have 693 694 device random 695 options RANDOM_LOADABLE 696 697 kldload(8) can then be used to load random_fortuna.ko 698 or random_yarrow.ko. Please note that due to the indirect 699 function calls that the loadable modules need to provide, 700 the build-in variants will be slightly more efficient. 701 702 The random(4) kernel option RANDOM_DUMMY has been retired due to 703 unpopularity. It was not all that useful anyway. 704 70520150813: 706 The WITHOUT_ELFTOOLCHAIN_TOOLS src.conf(5) knob has been retired. 707 Control over building the ELF Tool Chain tools is now provided by 708 the WITHOUT_TOOLCHAIN knob. 709 71020150810: 711 The polarity of Pulse Per Second (PPS) capture events with the 712 uart(4) driver has been corrected. Prior to this change the PPS 713 "assert" event corresponded to the trailing edge of a positive PPS 714 pulse and the "clear" event was the leading edge of the next pulse. 715 716 As the width of a PPS pulse in a typical GPS receiver is on the 717 order of 1 millisecond, most users will not notice any significant 718 difference with this change. 719 720 Anyone who has compensated for the historical polarity reversal by 721 configuring a negative offset equal to the pulse width will need to 722 remove that workaround. 723 72420150809: 725 The default group assigned to /dev/dri entries has been changed 726 from 'wheel' to 'video' with the id of '44'. If you want to have 727 access to the dri devices please add yourself to the video group 728 with: 729 730 # pw groupmod video -m $USER 731 73220150806: 733 The menu.rc and loader.rc files will now be replaced during 734 upgrades. Please migrate local changes to menu.rc.local and 735 loader.rc.local instead. 736 73720150805: 738 GNU Binutils versions of addr2line, c++filt, nm, readelf, size, 739 strings and strip have been removed. The src.conf(5) knob 740 WITHOUT_ELFTOOLCHAIN_TOOLS no longer provides the binutils tools. 741 74220150728: 743 As ZFS requires more kernel stack pages than is the default on some 744 architectures e.g. i386, it now warns if KSTACK_PAGES is less than 745 ZFS_MIN_KSTACK_PAGES (which is 4 at the time of writing). 746 747 Please consider using 'options KSTACK_PAGES=X' where X is greater 748 than or equal to ZFS_MIN_KSTACK_PAGES i.e. 4 in such configurations. 749 75020150706: 751 sendmail has been updated to 8.15.2. Starting with FreeBSD 11.0 752 and sendmail 8.15, sendmail uses uncompressed IPv6 addresses by 753 default, i.e., they will not contain "::". For example, instead 754 of ::1, it will be 0:0:0:0:0:0:0:1. This permits a zero subnet 755 to have a more specific match, such as different map entries for 756 IPv6:0:0 vs IPv6:0. This change requires that configuration 757 data (including maps, files, classes, custom ruleset, etc.) must 758 use the same format, so make certain such configuration data is 759 upgrading. As a very simple check search for patterns like 760 'IPv6:[0-9a-fA-F:]*::' and 'IPv6::'. To return to the old 761 behavior, set the m4 option confUSE_COMPRESSED_IPV6_ADDRESSES or 762 the cf option UseCompressedIPv6Addresses. 763 76420150630: 765 The default kernel entropy-processing algorithm is now 766 Fortuna, replacing Yarrow. 767 768 Assuming you have 'device random' in your kernel config 769 file, the configurations allow a kernel option to override 770 this default. You may choose *ONE* of: 771 772 options RANDOM_YARROW # Legacy /dev/random algorithm. 773 options RANDOM_DUMMY # Blocking-only driver. 774 775 If you have neither, you get Fortuna. For most people, 776 read no further, Fortuna will give a /dev/random that works 777 like it always used to, and the difference will be irrelevant. 778 779 If you remove 'device random', you get *NO* kernel-processed 780 entropy at all. This may be acceptable to folks building 781 embedded systems, but has complications. Carry on reading, 782 and it is assumed you know what you need. 783 784 *PLEASE* read random(4) and random(9) if you are in the 785 habit of tweaking kernel configs, and/or if you are a member 786 of the embedded community, wanting specific and not-usual 787 behaviour from your security subsystems. 788 789 NOTE!! If you use RANDOM_DUMMY and/or have no 'device 790 random', you will NOT have a functioning /dev/random, and 791 many cryptographic features will not work, including SSH. 792 You may also find strange behaviour from the random(3) set 793 of library functions, in particular sranddev(3), srandomdev(3) 794 and arc4random(3). The reason for this is that the KERN_ARND 795 sysctl only returns entropy if it thinks it has some to 796 share, and with RANDOM_DUMMY or no 'device random' this 797 will never happen. 798 79920150623: 800 An additional fix for the issue described in the 20150614 sendmail 801 entry below has been been committed in revision 284717. 802 80320150616: 804 FreeBSD's old make (fmake) has been removed from the system. It is 805 available as the devel/fmake port or via pkg install fmake. 806 80720150615: 808 The fix for the issue described in the 20150614 sendmail entry 809 below has been been committed in revision 284436. The work 810 around described in that entry is no longer needed unless the 811 default setting is overridden by a confDH_PARAMETERS configuration 812 setting of '5' or pointing to a 512 bit DH parameter file. 813 81420150614: 815 ALLOW_DEPRECATED_ATF_TOOLS/ATFFILE support has been removed from 816 atf.test.mk (included from bsd.test.mk). Please upgrade devel/atf 817 and devel/kyua to version 0.20+ and adjust any calling code to work 818 with Kyuafile and kyua. 819 82020150614: 821 The import of openssl to address the FreeBSD-SA-15:10.openssl 822 security advisory includes a change which rejects handshakes 823 with DH parameters below 768 bits. sendmail releases prior 824 to 8.15.2 (not yet released), defaulted to a 512 bit 825 DH parameter setting for client connections. To work around 826 this interoperability, sendmail can be configured to use a 827 2048 bit DH parameter by: 828 829 1. Edit /etc/mail/`hostname`.mc 830 2. If a setting for confDH_PARAMETERS does not exist or 831 exists and is set to a string beginning with '5', 832 replace it with '2'. 833 3. If a setting for confDH_PARAMETERS exists and is set to 834 a file path, create a new file with: 835 openssl dhparam -out /path/to/file 2048 836 4. Rebuild the .cf file: 837 cd /etc/mail/; make; make install 838 5. Restart sendmail: 839 cd /etc/mail/; make restart 840 841 A sendmail patch is coming, at which time this file will be 842 updated. 843 84420150604: 845 Generation of legacy formatted entries have been disabled by default 846 in pwd_mkdb(8), as all base system consumers of the legacy formatted 847 entries were converted to use the new format by default when the new, 848 machine independent format have been added and supported since FreeBSD 849 5.x. 850 851 Please see the pwd_mkdb(8) manual page for further details. 852 85320150525: 854 Clang and llvm have been upgraded to 3.6.1 release. Please see the 855 20141231 entry below for information about prerequisites and upgrading, 856 if you are not already using 3.5.0 or higher. 857 85820150521: 859 TI platform code switched to using vendor DTS files and this update 860 may break existing systems running on Beaglebone, Beaglebone Black, 861 and Pandaboard: 862 863 - dtb files should be regenerated/reinstalled. Filenames are the 864 same but content is different now 865 - GPIO addressing was changed, now each GPIO bank (32 pins per bank) 866 has its own /dev/gpiocX device, e.g. pin 121 on /dev/gpioc0 in old 867 addressing scheme is now pin 25 on /dev/gpioc3. 868 - Pandaboard: /etc/ttys should be updated, serial console device is 869 now /dev/ttyu2, not /dev/ttyu0 870 87120150501: 872 soelim(1) from gnu/usr.bin/groff has been replaced by usr.bin/soelim. 873 If you need the GNU extension from groff soelim(1), install groff 874 from package: pkg install groff, or via ports: textproc/groff. 875 87620150423: 877 chmod, chflags, chown and chgrp now affect symlinks in -R mode as 878 defined in symlink(7); previously symlinks were silently ignored. 879 88020150415: 881 The const qualifier has been removed from iconv(3) to comply with 882 POSIX. The ports tree is aware of this from r384038 onwards. 883 88420150416: 885 Libraries specified by LIBADD in Makefiles must have a corresponding 886 DPADD_<lib> variable to ensure correct dependencies. This is now 887 enforced in src.libnames.mk. 888 88920150324: 890 From legacy ata(4) driver was removed support for SATA controllers 891 supported by more functional drivers ahci(4), siis(4) and mvs(4). 892 Kernel modules ataahci and ataadaptec were removed completely, 893 replaced by ahci and mvs modules respectively. 894 89520150315: 896 Clang, llvm and lldb have been upgraded to 3.6.0 release. Please see 897 the 20141231 entry below for information about prerequisites and 898 upgrading, if you are not already using 3.5.0 or higher. 899 90020150307: 901 The 32-bit PowerPC kernel has been changed to a position-independent 902 executable. This can only be booted with a version of loader(8) 903 newer than January 31, 2015, so make sure to update both world and 904 kernel before rebooting. 905 90620150217: 907 If you are running a -CURRENT kernel since r273872 (Oct 30th, 2014), 908 but before r278950, the RNG was not seeded properly. Immediately 909 upgrade the kernel to r278950 or later and regenerate any keys (e.g. 910 ssh keys or openssl keys) that were generated w/ a kernel from that 911 range. This does not affect programs that directly used /dev/random 912 or /dev/urandom. All userland uses of arc4random(3) are affected. 913 91420150210: 915 The autofs(4) ABI was changed in order to restore binary compatibility 916 with 10.1-RELEASE. The automountd(8) daemon needs to be rebuilt to work 917 with the new kernel. 918 91920150131: 920 The powerpc64 kernel has been changed to a position-independent 921 executable. This can only be booted with a new version of loader(8), 922 so make sure to update both world and kernel before rebooting. 923 92420150118: 925 Clang and llvm have been upgraded to 3.5.1 release. This is a bugfix 926 only release, no new features have been added. Please see the 20141231 927 entry below for information about prerequisites and upgrading, if you 928 are not already using 3.5.0. 929 93020150107: 931 ELF tools addr2line, elfcopy (strip), nm, size, and strings are now 932 taken from the ELF Tool Chain project rather than GNU binutils. They 933 should be drop-in replacements, with the addition of arm64 support. 934 The WITHOUT_ELFTOOLCHAIN_TOOLS= knob may be used to obtain the 935 binutils tools, if necessary. See 20150805 for updated information. 936 93720150105: 938 The default Unbound configuration now enables remote control 939 using a local socket. Users who have already enabled the 940 local_unbound service should regenerate their configuration 941 by running "service local_unbound setup" as root. 942 94320150102: 944 The GNU texinfo and GNU info pages have been removed. 945 To be able to view GNU info pages please install texinfo from ports. 946 94720141231: 948 Clang, llvm and lldb have been upgraded to 3.5.0 release. 949 950 As of this release, a prerequisite for building clang, llvm and lldb is 951 a C++11 capable compiler and C++11 standard library. This means that to 952 be able to successfully build the cross-tools stage of buildworld, with 953 clang as the bootstrap compiler, your system compiler or cross compiler 954 should either be clang 3.3 or later, or gcc 4.8 or later, and your 955 system C++ library should be libc++, or libdstdc++ from gcc 4.8 or 956 later. 957 958 On any standard FreeBSD 10.x or 11.x installation, where clang and 959 libc++ are on by default (that is, on x86 or arm), this should work out 960 of the box. 961 962 On 9.x installations where clang is enabled by default, e.g. on x86 and 963 powerpc, libc++ will not be enabled by default, so libc++ should be 964 built (with clang) and installed first. If both clang and libc++ are 965 missing, build clang first, then use it to build libc++. 966 967 On 8.x and earlier installations, upgrade to 9.x first, and then follow 968 the instructions for 9.x above. 969 970 Sparc64 and mips users are unaffected, as they still use gcc 4.2.1 by 971 default, and do not build clang. 972 973 Many embedded systems are resource constrained, and will not be able to 974 build clang in a reasonable time, or in some cases at all. In those 975 cases, cross building bootable systems on amd64 is a workaround. 976 977 This new version of clang introduces a number of new warnings, of which 978 the following are most likely to appear: 979 980 -Wabsolute-value 981 982 This warns in two cases, for both C and C++: 983 * When the code is trying to take the absolute value of an unsigned 984 quantity, which is effectively a no-op, and almost never what was 985 intended. The code should be fixed, if at all possible. If you are 986 sure that the unsigned quantity can be safely cast to signed, without 987 loss of information or undefined behavior, you can add an explicit 988 cast, or disable the warning. 989 990 * When the code is trying to take an absolute value, but the called 991 abs() variant is for the wrong type, which can lead to truncation. 992 If you want to disable the warning instead of fixing the code, please 993 make sure that truncation will not occur, or it might lead to unwanted 994 side-effects. 995 996 -Wtautological-undefined-compare and 997 -Wundefined-bool-conversion 998 999 These warn when C++ code is trying to compare 'this' against NULL, while 1000 'this' should never be NULL in well-defined C++ code. However, there is 1001 some legacy (pre C++11) code out there, which actively abuses this 1002 feature, which was less strictly defined in previous C++ versions. 1003 1004 Squid and openjdk do this, for example. The warning can be turned off 1005 for C++98 and earlier, but compiling the code in C++11 mode might result 1006 in unexpected behavior; for example, the parts of the program that are 1007 unreachable could be optimized away. 1008 100920141222: 1010 The old NFS client and server (kernel options NFSCLIENT, NFSSERVER) 1011 kernel sources have been removed. The .h files remain, since some 1012 utilities include them. This will need to be fixed later. 1013 If "mount -t oldnfs ..." is attempted, it will fail. 1014 If the "-o" option on mountd(8), nfsd(8) or nfsstat(1) is used, 1015 the utilities will report errors. 1016 101720141121: 1018 The handling of LOCAL_LIB_DIRS has been altered to skip addition of 1019 directories to top level SUBDIR variable when their parent 1020 directory is included in LOCAL_DIRS. Users with build systems with 1021 such hierarchies and without SUBDIR entries in the parent 1022 directory Makefiles should add them or add the directories to 1023 LOCAL_DIRS. 1024 102520141109: 1026 faith(4) and faithd(8) have been removed from the base system. Faith 1027 has been obsolete for a very long time. 1028 102920141104: 1030 vt(4), the new console driver, is enabled by default. It brings 1031 support for Unicode and double-width characters, as well as 1032 support for UEFI and integration with the KMS kernel video 1033 drivers. 1034 1035 You may need to update your console settings in /etc/rc.conf, 1036 most probably the keymap. During boot, /etc/rc.d/syscons will 1037 indicate what you need to do. 1038 1039 vt(4) still has issues and lacks some features compared to 1040 syscons(4). See the wiki for up-to-date information: 1041 https://wiki.freebsd.org/Newcons 1042 1043 If you want to keep using syscons(4), you can do so by adding 1044 the following line to /boot/loader.conf: 1045 kern.vty=sc 1046 104720141102: 1048 pjdfstest has been integrated into kyua as an opt-in test suite. 1049 Please see share/doc/pjdfstest/README for more details on how to 1050 execute it. 1051 105220141009: 1053 gperf has been removed from the base system for architectures 1054 that use clang. Ports that require gperf will obtain it from the 1055 devel/gperf port. 1056 105720140923: 1058 pjdfstest has been moved from tools/regression/pjdfstest to 1059 contrib/pjdfstest . 1060 106120140922: 1062 At svn r271982, The default linux compat kernel ABI has been adjusted 1063 to 2.6.18 in support of the linux-c6 compat ports infrastructure 1064 update. If you wish to continue using the linux-f10 compat ports, 1065 add compat.linux.osrelease=2.6.16 to your local sysctl.conf. Users are 1066 encouraged to update their linux-compat packages to linux-c6 during 1067 their next update cycle. 1068 106920140729: 1070 The ofwfb driver, used to provide a graphics console on PowerPC when 1071 using vt(4), no longer allows mmap() of all physical memory. This 1072 will prevent Xorg on PowerPC with some ATI graphics cards from 1073 initializing properly unless x11-servers/xorg-server is updated to 1074 1.12.4_8 or newer. 1075 107620140723: 1077 The xdev targets have been converted to using TARGET and 1078 TARGET_ARCH instead of XDEV and XDEV_ARCH. 1079 108020140719: 1081 The default unbound configuration has been modified to address 1082 issues with reverse lookups on networks that use private 1083 address ranges. If you use the local_unbound service, run 1084 "service local_unbound setup" as root to regenerate your 1085 configuration, then "service local_unbound reload" to load the 1086 new configuration. 1087 108820140709: 1089 The GNU texinfo and GNU info pages are not built and installed 1090 anymore, WITH_INFO knob has been added to allow to built and install 1091 them again. 1092 UPDATE: see 20150102 entry on texinfo's removal 1093 109420140708: 1095 The GNU readline library is now an INTERNALLIB - that is, it is 1096 statically linked into consumers (GDB and variants) in the base 1097 system, and the shared library is no longer installed. The 1098 devel/readline port is available for third party software that 1099 requires readline. 1100 110120140702: 1102 The Itanium architecture (ia64) has been removed from the list of 1103 known architectures. This is the first step in the removal of the 1104 architecture. 1105 110620140701: 1107 Commit r268115 has added NFSv4.1 server support, merged from 1108 projects/nfsv4.1-server. Since this includes changes to the 1109 internal interfaces between the NFS related modules, a full 1110 build of the kernel and modules will be necessary. 1111 __FreeBSD_version has been bumped. 1112 111320140629: 1114 The WITHOUT_VT_SUPPORT kernel config knob has been renamed 1115 WITHOUT_VT. (The other _SUPPORT knobs have a consistent meaning 1116 which differs from the behaviour controlled by this knob.) 1117 111820140619: 1119 Maximal length of the serial number in CTL was increased from 16 to 1120 64 chars, that breaks ABI. All CTL-related tools, such as ctladm 1121 and ctld, need to be rebuilt to work with a new kernel. 1122 112320140606: 1124 The libatf-c and libatf-c++ major versions were downgraded to 0 and 1125 1 respectively to match the upstream numbers. They were out of 1126 sync because, when they were originally added to FreeBSD, the 1127 upstream versions were not respected. These libraries are private 1128 and not yet built by default, so renumbering them should be a 1129 non-issue. However, unclean source trees will yield broken test 1130 programs once the operator executes "make delete-old-libs" after a 1131 "make installworld". 1132 1133 Additionally, the atf-sh binary was made private by moving it into 1134 /usr/libexec/. Already-built shell test programs will keep the 1135 path to the old binary so they will break after "make delete-old" 1136 is run. 1137 1138 If you are using WITH_TESTS=yes (not the default), wipe the object 1139 tree and rebuild from scratch to prevent spurious test failures. 1140 This is only needed once: the misnumbered libraries and misplaced 1141 binaries have been added to OptionalObsoleteFiles.inc so they will 1142 be removed during a clean upgrade. 1143 114420140512: 1145 Clang and llvm have been upgraded to 3.4.1 release. 1146 114720140508: 1148 We bogusly installed src.opts.mk in /usr/share/mk. This file should 1149 be removed to avoid issues in the future (and has been added to 1150 ObsoleteFiles.inc). 1151 115220140505: 1153 /etc/src.conf now affects only builds of the FreeBSD src tree. In the 1154 past, it affected all builds that used the bsd.*.mk files. The old 1155 behavior was a bug, but people may have relied upon it. To get this 1156 behavior back, you can .include /etc/src.conf from /etc/make.conf 1157 (which is still global and isn't changed). This also changes the 1158 behavior of incremental builds inside the tree of individual 1159 directories. Set MAKESYSPATH to ".../share/mk" to do that. 1160 Although this has survived make universe and some upgrade scenarios, 1161 other upgrade scenarios may have broken. At least one form of 1162 temporary breakage was fixed with MAKESYSPATH settings for buildworld 1163 as well... In cases where MAKESYSPATH isn't working with this 1164 setting, you'll need to set it to the full path to your tree. 1165 1166 One side effect of all this cleaning up is that bsd.compiler.mk 1167 is no longer implicitly included by bsd.own.mk. If you wish to 1168 use COMPILER_TYPE, you must now explicitly include bsd.compiler.mk 1169 as well. 1170 117120140430: 1172 The lindev device has been removed since /dev/full has been made a 1173 standard device. __FreeBSD_version has been bumped. 1174 117520140424: 1176 The knob WITHOUT_VI was added to the base system, which controls 1177 building ex(1), vi(1), etc. Older releases of FreeBSD required ex(1) 1178 in order to reorder files share/termcap and didn't build ex(1) as a 1179 build tool, so building/installing with WITH_VI is highly advised for 1180 build hosts for older releases. 1181 1182 This issue has been fixed in stable/9 and stable/10 in r277022 and 1183 r276991, respectively. 1184 118520140418: 1186 The YES_HESIOD knob has been removed. It has been obsolete for 1187 a decade. Please move to using WITH_HESIOD instead or your builds 1188 will silently lack HESIOD. 1189 119020140405: 1191 The uart(4) driver has been changed with respect to its handling 1192 of the low-level console. Previously the uart(4) driver prevented 1193 any process from changing the baudrate or the CLOCAL and HUPCL 1194 control flags. By removing the restrictions, operators can make 1195 changes to the serial console port without having to reboot. 1196 However, when getty(8) is started on the serial device that is 1197 associated with the low-level console, a misconfigured terminal 1198 line in /etc/ttys will now have a real impact. 1199 Before upgrading the kernel, make sure that /etc/ttys has the 1200 serial console device configured as 3wire without baudrate to 1201 preserve the previous behaviour. E.g: 1202 ttyu0 "/usr/libexec/getty 3wire" vt100 on secure 1203 120420140306: 1205 Support for libwrap (TCP wrappers) in rpcbind was disabled by default 1206 to improve performance. To re-enable it, if needed, run rpcbind 1207 with command line option -W. 1208 120920140226: 1210 Switched back to the GPL dtc compiler due to updates in the upstream 1211 dts files not being supported by the BSDL dtc compiler. You will need 1212 to rebuild your kernel toolchain to pick up the new compiler. Core dumps 1213 may result while building dtb files during a kernel build if you fail 1214 to do so. Set WITHOUT_GPL_DTC if you require the BSDL compiler. 1215 121620140216: 1217 Clang and llvm have been upgraded to 3.4 release. 1218 121920140216: 1220 The nve(4) driver has been removed. Please use the nfe(4) driver 1221 for NVIDIA nForce MCP Ethernet adapters instead. 1222 122320140212: 1224 An ABI incompatibility crept into the libc++ 3.4 import in r261283. 1225 This could cause certain C++ applications using shared libraries built 1226 against the previous version of libc++ to crash. The incompatibility 1227 has now been fixed, but any C++ applications or shared libraries built 1228 between r261283 and r261801 should be recompiled. 1229 123020140204: 1231 OpenSSH will now ignore errors caused by kernel lacking of Capsicum 1232 capability mode support. Please note that enabling the feature in 1233 kernel is still highly recommended. 1234 123520140131: 1236 OpenSSH is now built with sandbox support, and will use sandbox as 1237 the default privilege separation method. This requires Capsicum 1238 capability mode support in kernel. 1239 124020140128: 1241 The libelf and libdwarf libraries have been updated to newer 1242 versions from upstream. Shared library version numbers for 1243 these two libraries were bumped. Any ports or binaries 1244 requiring these two libraries should be recompiled. 1245 __FreeBSD_version is bumped to 1100006. 1246 124720140110: 1248 If a Makefile in a tests/ directory was auto-generating a Kyuafile 1249 instead of providing an explicit one, this would prevent such 1250 Makefile from providing its own Kyuafile in the future during 1251 NO_CLEAN builds. This has been fixed in the Makefiles but manual 1252 intervention is needed to clean an objdir if you use NO_CLEAN: 1253 # find /usr/obj -name Kyuafile | xargs rm -f 1254 125520131213: 1256 The behavior of gss_pseudo_random() for the krb5 mechanism 1257 has changed, for applications requesting a longer random string 1258 than produced by the underlying enctype's pseudo-random() function. 1259 In particular, the random string produced from a session key of 1260 enctype aes256-cts-hmac-sha1-96 or aes256-cts-hmac-sha1-96 will 1261 be different at the 17th octet and later, after this change. 1262 The counter used in the PRF+ construction is now encoded as a 1263 big-endian integer in accordance with RFC 4402. 1264 __FreeBSD_version is bumped to 1100004. 1265 126620131108: 1267 The WITHOUT_ATF build knob has been removed and its functionality 1268 has been subsumed into the more generic WITHOUT_TESTS. If you were 1269 using the former to disable the build of the ATF libraries, you 1270 should change your settings to use the latter. 1271 127220131025: 1273 The default version of mtree is nmtree which is obtained from 1274 NetBSD. The output is generally the same, but may vary 1275 slightly. If you found you need identical output adding 1276 "-F freebsd9" to the command line should do the trick. For the 1277 time being, the old mtree is available as fmtree. 1278 127920131014: 1280 libbsdyml has been renamed to libyaml and moved to /usr/lib/private. 1281 This will break ports-mgmt/pkg. Rebuild the port, or upgrade to pkg 1282 1.1.4_8 and verify bsdyml not linked in, before running "make 1283 delete-old-libs": 1284 # make -C /usr/ports/ports-mgmt/pkg build deinstall install clean 1285 or 1286 # pkg install pkg; ldd /usr/local/sbin/pkg | grep bsdyml 1287 128820131010: 1289 The stable/10 branch has been created in subversion from head 1290 revision r256279. 1291 129220131010: 1293 The rc.d/jail script has been updated to support jail(8) 1294 configuration file. The "jail_<jname>_*" rc.conf(5) variables 1295 for per-jail configuration are automatically converted to 1296 /var/run/jail.<jname>.conf before the jail(8) utility is invoked. 1297 This is transparently backward compatible. See below about some 1298 incompatibilities and rc.conf(5) manual page for more details. 1299 1300 These variables are now deprecated in favor of jail(8) configuration 1301 file. One can use "rc.d/jail config <jname>" command to generate 1302 a jail(8) configuration file in /var/run/jail.<jname>.conf without 1303 running the jail(8) utility. The default pathname of the 1304 configuration file is /etc/jail.conf and can be specified by 1305 using $jail_conf or $jail_<jname>_conf variables. 1306 1307 Please note that jail_devfs_ruleset accepts an integer at 1308 this moment. Please consider to rewrite the ruleset name 1309 with an integer. 1310 131120130930: 1312 BIND has been removed from the base system. If all you need 1313 is a local resolver, simply enable and start the local_unbound 1314 service instead. Otherwise, several versions of BIND are 1315 available in the ports tree. The dns/bind99 port is one example. 1316 1317 With this change, nslookup(1) and dig(1) are no longer in the base 1318 system. Users should instead use host(1) and drill(1) which are 1319 in the base system. Alternatively, nslookup and dig can 1320 be obtained by installing the dns/bind-tools port. 1321 132220130916: 1323 With the addition of unbound(8), a new unbound user is now 1324 required during installworld. "mergemaster -p" can be used to 1325 add the user prior to installworld, as documented in the handbook. 1326 132720130911: 1328 OpenSSH is now built with DNSSEC support, and will by default 1329 silently trust signed SSHFP records. This can be controlled with 1330 the VerifyHostKeyDNS client configuration setting. DNSSEC support 1331 can be disabled entirely with the WITHOUT_LDNS option in src.conf. 1332 133320130906: 1334 The GNU Compiler Collection and C++ standard library (libstdc++) 1335 are no longer built by default on platforms where clang is the system 1336 compiler. You can enable them with the WITH_GCC and WITH_GNUCXX 1337 options in src.conf. 1338 133920130905: 1340 The PROCDESC kernel option is now part of the GENERIC kernel 1341 configuration and is required for the rwhod(8) to work. 1342 If you are using custom kernel configuration, you should include 1343 'options PROCDESC'. 1344 134520130905: 1346 The API and ABI related to the Capsicum framework was modified 1347 in backward incompatible way. The userland libraries and programs 1348 have to be recompiled to work with the new kernel. This includes the 1349 following libraries and programs, but the whole buildworld is 1350 advised: libc, libprocstat, dhclient, tcpdump, hastd, hastctl, 1351 kdump, procstat, rwho, rwhod, uniq. 1352 135320130903: 1354 AES-NI intrinsic support has been added to gcc. The AES-NI module 1355 has been updated to use this support. A new gcc is required to build 1356 the aesni module on both i386 and amd64. 1357 135820130821: 1359 The PADLOCK_RNG and RDRAND_RNG kernel options are now devices. 1360 Thus "device padlock_rng" and "device rdrand_rng" should be 1361 used instead of "options PADLOCK_RNG" & "options RDRAND_RNG". 1362 136320130813: 1364 WITH_ICONV has been split into two feature sets. WITH_ICONV now 1365 enables just the iconv* functionality and is now on by default. 1366 WITH_LIBICONV_COMPAT enables the libiconv api and link time 1367 compatibility. Set WITHOUT_ICONV to build the old way. 1368 If you have been using WITH_ICONV before, you will very likely 1369 need to turn on WITH_LIBICONV_COMPAT. 1370 137120130806: 1372 INVARIANTS option now enables DEBUG for code with OpenSolaris and 1373 Illumos origin, including ZFS. If you have INVARIANTS in your 1374 kernel configuration, then there is no need to set DEBUG or ZFS_DEBUG 1375 explicitly. 1376 DEBUG used to enable witness(9) tracking of OpenSolaris (mostly ZFS) 1377 locks if WITNESS option was set. Because that generated a lot of 1378 witness(9) reports and all of them were believed to be false 1379 positives, this is no longer done. New option OPENSOLARIS_WITNESS 1380 can be used to achieve the previous behavior. 1381 138220130806: 1383 Timer values in IPv6 data structures now use time_uptime instead 1384 of time_second. Although this is not a user-visible functional 1385 change, userland utilities which directly use them---ndp(8), 1386 rtadvd(8), and rtsold(8) in the base system---need to be updated 1387 to r253970 or later. 1388 138920130802: 1390 find -delete can now delete the pathnames given as arguments, 1391 instead of only files found below them or if the pathname did 1392 not contain any slashes. Formerly, the following error message 1393 would result: 1394 1395 find: -delete: <path>: relative path potentially not safe 1396 1397 Deleting the pathnames given as arguments can be prevented 1398 without error messages using -mindepth 1 or by changing 1399 directory and passing "." as argument to find. This works in the 1400 old as well as the new version of find. 1401 140220130726: 1403 Behavior of devfs rules path matching has been changed. 1404 Pattern is now always matched against fully qualified devfs 1405 path and slash characters must be explicitly matched by 1406 slashes in pattern (FNM_PATHNAME). Rulesets involving devfs 1407 subdirectories must be reviewed. 1408 140920130716: 1410 The default ARM ABI has changed to the ARM EABI. The old ABI is 1411 incompatible with the ARM EABI and all programs and modules will 1412 need to be rebuilt to work with a new kernel. 1413 1414 To keep using the old ABI ensure the WITHOUT_ARM_EABI knob is set. 1415 1416 NOTE: Support for the old ABI will be removed in the future and 1417 users are advised to upgrade. 1418 141920130709: 1420 pkg_install has been disconnected from the build if you really need it 1421 you should add WITH_PKGTOOLS in your src.conf(5). 1422 142320130709: 1424 Most of network statistics structures were changed to be able 1425 keep 64-bits counters. Thus all tools, that work with networking 1426 statistics, must be rebuilt (netstat(1), bsnmpd(1), etc.) 1427 142820130618: 1429 Fix a bug that allowed a tracing process (e.g. gdb) to write 1430 to a memory-mapped file in the traced process's address space 1431 even if neither the traced process nor the tracing process had 1432 write access to that file. 1433 143420130615: 1435 CVS has been removed from the base system. An exact copy 1436 of the code is available from the devel/cvs port. 1437 143820130613: 1439 Some people report the following error after the switch to bmake: 1440 1441 make: illegal option -- J 1442 usage: make [-BPSXeiknpqrstv] [-C directory] [-D variable] 1443 ... 1444 *** [buildworld] Error code 2 1445 1446 this likely due to an old instance of make in 1447 ${MAKEPATH} (${MAKEOBJDIRPREFIX}${.CURDIR}/make.${MACHINE}) 1448 which src/Makefile will use that blindly, if it exists, so if 1449 you see the above error: 1450 1451 rm -rf `make -V MAKEPATH` 1452 1453 should resolve it. 1454 145520130516: 1456 Use bmake by default. 1457 Whereas before one could choose to build with bmake via 1458 -DWITH_BMAKE one must now use -DWITHOUT_BMAKE to use the old 1459 make. The goal is to remove these knobs for 10-RELEASE. 1460 1461 It is worth noting that bmake (like gmake) treats the command 1462 line as the unit of failure, rather than statements within the 1463 command line. Thus '(cd some/where && dosomething)' is safer 1464 than 'cd some/where; dosomething'. The '()' allows consistent 1465 behavior in parallel build. 1466 146720130429: 1468 Fix a bug that allows NFS clients to issue READDIR on files. 1469 147020130426: 1471 The WITHOUT_IDEA option has been removed because 1472 the IDEA patent expired. 1473 147420130426: 1475 The sysctl which controls TRIM support under ZFS has been renamed 1476 from vfs.zfs.trim_disable -> vfs.zfs.trim.enabled and has been 1477 enabled by default. 1478 147920130425: 1480 The mergemaster command now uses the default MAKEOBJDIRPREFIX 1481 rather than creating it's own in the temporary directory in 1482 order allow access to bootstrapped versions of tools such as 1483 install and mtree. When upgrading from version of FreeBSD where 1484 the install command does not support -l, you will need to 1485 install a new mergemaster command if mergemaster -p is required. 1486 This can be accomplished with the command (cd src/usr.sbin/mergemaster 1487 && make install). 1488 148920130404: 1490 Legacy ATA stack, disabled and replaced by new CAM-based one since 1491 FreeBSD 9.0, completely removed from the sources. Kernel modules 1492 atadisk and atapi*, user-level tools atacontrol and burncd are 1493 removed. Kernel option `options ATA_CAM` is now permanently enabled 1494 and removed. 1495 149620130319: 1497 SOCK_CLOEXEC and SOCK_NONBLOCK flags have been added to socket(2) 1498 and socketpair(2). Software, in particular Kerberos, may 1499 automatically detect and use these during building. The resulting 1500 binaries will not work on older kernels. 1501 150220130308: 1503 CTL_DISABLE has also been added to the sparc64 GENERIC (for further 1504 information, see the respective 20130304 entry). 1505 150620130304: 1507 Recent commits to callout(9) changed the size of struct callout, 1508 so the KBI is probably heavily disturbed. Also, some functions 1509 in callout(9)/sleep(9)/sleepqueue(9)/condvar(9) KPIs were replaced 1510 by macros. Every kernel module using it won't load, so rebuild 1511 is requested. 1512 1513 The ctl device has been re-enabled in GENERIC for i386 and amd64, 1514 but does not initialize by default (because of the new CTL_DISABLE 1515 option) to save memory. To re-enable it, remove the CTL_DISABLE 1516 option from the kernel config file or set kern.cam.ctl.disable=0 1517 in /boot/loader.conf. 1518 151920130301: 1520 The ctl device has been disabled in GENERIC for i386 and amd64. 1521 This was done due to the extra memory being allocated at system 1522 initialisation time by the ctl driver which was only used if 1523 a CAM target device was created. This makes a FreeBSD system 1524 unusable on 128MB or less of RAM. 1525 152620130208: 1527 A new compression method (lz4) has been merged to -HEAD. Please 1528 refer to zpool-features(7) for more information. 1529 1530 Please refer to the "ZFS notes" section of this file for information 1531 on upgrading boot ZFS pools. 1532 153320130129: 1534 A BSD-licensed patch(1) variant has been added and is installed 1535 as bsdpatch, being the GNU version the default patch. 1536 To inverse the logic and use the BSD-licensed one as default, 1537 while having the GNU version installed as gnupatch, rebuild 1538 and install world with the WITH_BSD_PATCH knob set. 1539 154020130121: 1541 Due to the use of the new -l option to install(1) during build 1542 and install, you must take care not to directly set the INSTALL 1543 make variable in your /etc/make.conf, /etc/src.conf, or on the 1544 command line. If you wish to use the -C flag for all installs 1545 you may be able to add INSTALL+=-C to /etc/make.conf or 1546 /etc/src.conf. 1547 154820130118: 1549 The install(1) option -M has changed meaning and now takes an 1550 argument that is a file or path to append logs to. In the 1551 unlikely event that -M was the last option on the command line 1552 and the command line contained at least two files and a target 1553 directory the first file will have logs appended to it. The -M 1554 option served little practical purpose in the last decade so its 1555 use is expected to be extremely rare. 1556 155720121223: 1558 After switching to Clang as the default compiler some users of ZFS 1559 on i386 systems started to experience stack overflow kernel panics. 1560 Please consider using 'options KSTACK_PAGES=4' in such configurations. 1561 156220121222: 1563 GEOM_LABEL now mangles label names read from file system metadata. 1564 Mangling affect labels containing spaces, non-printable characters, 1565 '%' or '"'. Device names in /etc/fstab and other places may need to 1566 be updated. 1567 156820121217: 1569 By default, only the 10 most recent kernel dumps will be saved. To 1570 restore the previous behaviour (no limit on the number of kernel dumps 1571 stored in the dump directory) add the following line to /etc/rc.conf: 1572 1573 savecore_flags="" 1574 157520121201: 1576 With the addition of auditdistd(8), a new auditdistd user is now 1577 required during installworld. "mergemaster -p" can be used to 1578 add the user prior to installworld, as documented in the handbook. 1579 158020121117: 1581 The sin6_scope_id member variable in struct sockaddr_in6 is now 1582 filled by the kernel before passing the structure to the userland via 1583 sysctl or routing socket. This means the KAME-specific embedded scope 1584 id in sin6_addr.s6_addr[2] is always cleared in userland application. 1585 This behavior can be controlled by net.inet6.ip6.deembed_scopeid. 1586 __FreeBSD_version is bumped to 1000025. 1587 158820121105: 1589 On i386 and amd64 systems WITH_CLANG_IS_CC is now the default. 1590 This means that the world and kernel will be compiled with clang 1591 and that clang will be installed as /usr/bin/cc, /usr/bin/c++, 1592 and /usr/bin/cpp. To disable this behavior and revert to building 1593 with gcc, compile with WITHOUT_CLANG_IS_CC. Really old versions 1594 of current may need to bootstrap WITHOUT_CLANG first if the clang 1595 build fails (its compatibility window doesn't extend to the 9 stable 1596 branch point). 1597 159820121102: 1599 The IPFIREWALL_FORWARD kernel option has been removed. Its 1600 functionality now turned on by default. 1601 160220121023: 1603 The ZERO_COPY_SOCKET kernel option has been removed and 1604 split into SOCKET_SEND_COW and SOCKET_RECV_PFLIP. 1605 NB: SOCKET_SEND_COW uses the VM page based copy-on-write 1606 mechanism which is not safe and may result in kernel crashes. 1607 NB: The SOCKET_RECV_PFLIP mechanism is useless as no current 1608 driver supports disposeable external page sized mbuf storage. 1609 Proper replacements for both zero-copy mechanisms are under 1610 consideration and will eventually lead to complete removal 1611 of the two kernel options. 1612 161320121023: 1614 The IPv4 network stack has been converted to network byte 1615 order. The following modules need to be recompiled together 1616 with kernel: carp(4), divert(4), gif(4), siftr(4), gre(4), 1617 pf(4), ipfw(4), ng_ipfw(4), stf(4). 1618 161920121022: 1620 Support for non-MPSAFE filesystems was removed from VFS. The 1621 VFS_VERSION was bumped, all filesystem modules shall be 1622 recompiled. 1623 162420121018: 1625 All the non-MPSAFE filesystems have been disconnected from 1626 the build. The full list includes: codafs, hpfs, ntfs, nwfs, 1627 portalfs, smbfs, xfs. 1628 162920121016: 1630 The interface cloning API and ABI has changed. The following 1631 modules need to be recompiled together with kernel: 1632 ipfw(4), pfsync(4), pflog(4), usb(4), wlan(4), stf(4), 1633 vlan(4), disc(4), edsc(4), if_bridge(4), gif(4), tap(4), 1634 faith(4), epair(4), enc(4), tun(4), if_lagg(4), gre(4). 1635 163620121015: 1637 The sdhci driver was split in two parts: sdhci (generic SD Host 1638 Controller logic) and sdhci_pci (actual hardware driver). 1639 No kernel config modifications are required, but if you 1640 load sdhc as a module you must switch to sdhci_pci instead. 1641 164220121014: 1643 Import the FUSE kernel and userland support into base system. 1644 164520121013: 1646 The GNU sort(1) program has been removed since the BSD-licensed 1647 sort(1) has been the default for quite some time and no serious 1648 problems have been reported. The corresponding WITH_GNU_SORT 1649 knob has also gone. 1650 165120121006: 1652 The pfil(9) API/ABI for AF_INET family has been changed. Packet 1653 filtering modules: pf(4), ipfw(4), ipfilter(4) need to be recompiled 1654 with new kernel. 1655 165620121001: 1657 The net80211(4) ABI has been changed to allow for improved driver 1658 PS-POLL and power-save support. All wireless drivers need to be 1659 recompiled to work with the new kernel. 1660 166120120913: 1662 The random(4) support for the VIA hardware random number 1663 generator (`PADLOCK') is no longer enabled unconditionally. 1664 Add the padlock_rng device in the custom kernel config if 1665 needed. The GENERIC kernels on i386 and amd64 do include the 1666 device, so the change only affects the custom kernel 1667 configurations. 1668 166920120908: 1670 The pf(4) packet filter ABI has been changed. pfctl(8) and 1671 snmp_pf module need to be recompiled to work with new kernel. 1672 167320120828: 1674 A new ZFS feature flag "com.delphix:empty_bpobj" has been merged 1675 to -HEAD. Pools that have empty_bpobj in active state can not be 1676 imported read-write with ZFS implementations that do not support 1677 this feature. For more information read the zpool-features(5) 1678 manual page. 1679 168020120727: 1681 The sparc64 ZFS loader has been changed to no longer try to auto- 1682 detect ZFS providers based on diskN aliases but now requires these 1683 to be explicitly listed in the OFW boot-device environment variable. 1684 168520120712: 1686 The OpenSSL has been upgraded to 1.0.1c. Any binaries requiring 1687 libcrypto.so.6 or libssl.so.6 must be recompiled. Also, there are 1688 configuration changes. Make sure to merge /etc/ssl/openssl.cnf. 1689 169020120712: 1691 The following sysctls and tunables have been renamed for consistency 1692 with other variables: 1693 kern.cam.da.da_send_ordered -> kern.cam.da.send_ordered 1694 kern.cam.ada.ada_send_ordered -> kern.cam.ada.send_ordered 1695 169620120628: 1697 The sort utility has been replaced with BSD sort. For now, GNU sort 1698 is also available as "gnusort" or the default can be set back to 1699 GNU sort by setting WITH_GNU_SORT. In this case, BSD sort will be 1700 installed as "bsdsort". 1701 170220120611: 1703 A new version of ZFS (pool version 5000) has been merged to -HEAD. 1704 Starting with this version the old system of ZFS pool versioning 1705 is superseded by "feature flags". This concept enables forward 1706 compatibility against certain future changes in functionality of ZFS 1707 pools. The first read-only compatible "feature flag" for ZFS pools 1708 is named "com.delphix:async_destroy". For more information 1709 read the new zpool-features(5) manual page. 1710 Please refer to the "ZFS notes" section of this file for information 1711 on upgrading boot ZFS pools. 1712 171320120417: 1714 The malloc(3) implementation embedded in libc now uses sources imported 1715 as contrib/jemalloc. The most disruptive API change is to 1716 /etc/malloc.conf. If your system has an old-style /etc/malloc.conf, 1717 delete it prior to installworld, and optionally re-create it using the 1718 new format after rebooting. See malloc.conf(5) for details 1719 (specifically the TUNING section and the "opt.*" entries in the MALLCTL 1720 NAMESPACE section). 1721 172220120328: 1723 Big-endian MIPS TARGET_ARCH values no longer end in "eb". mips64eb 1724 is now spelled mips64. mipsn32eb is now spelled mipsn32. mipseb is 1725 now spelled mips. This is to aid compatibility with third-party 1726 software that expects this naming scheme in uname(3). Little-endian 1727 settings are unchanged. If you are updating a big-endian mips64 machine 1728 from before this change, you may need to set MACHINE_ARCH=mips64 in 1729 your environment before the new build system will recognize your machine. 1730 173120120306: 1732 Disable by default the option VFS_ALLOW_NONMPSAFE for all supported 1733 platforms. 1734 173520120229: 1736 Now unix domain sockets behave "as expected" on nullfs(5). Previously 1737 nullfs(5) did not pass through all behaviours to the underlying layer, 1738 as a result if we bound to a socket on the lower layer we could connect 1739 only to the lower path; if we bound to the upper layer we could connect 1740 only to the upper path. The new behavior is one can connect to both the 1741 lower and the upper paths regardless what layer path one binds to. 1742 174320120211: 1744 The getifaddrs upgrade path broken with 20111215 has been restored. 1745 If you have upgraded in between 20111215 and 20120209 you need to 1746 recompile libc again with your kernel. You still need to recompile 1747 world to be able to configure CARP but this restriction already 1748 comes from 20111215. 1749 175020120114: 1751 The set_rcvar() function has been removed from /etc/rc.subr. All 1752 base and ports rc.d scripts have been updated, so if you have a 1753 port installed with a script in /usr/local/etc/rc.d you can either 1754 hand-edit the rcvar= line, or reinstall the port. 1755 1756 An easy way to handle the mass-update of /etc/rc.d: 1757 rm /etc/rc.d/* && mergemaster -i 1758 175920120109: 1760 panic(9) now stops other CPUs in the SMP systems, disables interrupts 1761 on the current CPU and prevents other threads from running. 1762 This behavior can be reverted using the kern.stop_scheduler_on_panic 1763 tunable/sysctl. 1764 The new behavior can be incompatible with kern.sync_on_panic. 1765 176620111215: 1767 The carp(4) facility has been changed significantly. Configuration 1768 of the CARP protocol via ifconfig(8) has changed, as well as format 1769 of CARP events submitted to devd(8) has changed. See manual pages 1770 for more information. The arpbalance feature of carp(4) is currently 1771 not supported anymore. 1772 1773 Size of struct in_aliasreq, struct in6_aliasreq has changed. User 1774 utilities using SIOCAIFADDR, SIOCAIFADDR_IN6, e.g. ifconfig(8), 1775 need to be recompiled. 1776 177720111122: 1778 The acpi_wmi(4) status device /dev/wmistat has been renamed to 1779 /dev/wmistat0. 1780 178120111108: 1782 The option VFS_ALLOW_NONMPSAFE option has been added in order to 1783 explicitely support non-MPSAFE filesystems. 1784 It is on by default for all supported platform at this present 1785 time. 1786 178720111101: 1788 The broken amd(4) driver has been replaced with esp(4) in the amd64, 1789 i386 and pc98 GENERIC kernel configuration files. 1790 179120110930: 1792 sysinstall has been removed 1793 179420110923: 1795 The stable/9 branch created in subversion. This corresponds to the 1796 RELENG_9 branch in CVS. 1797 1798COMMON ITEMS: 1799 1800 General Notes 1801 ------------- 1802 Avoid using make -j when upgrading. While generally safe, there are 1803 sometimes problems using -j to upgrade. If your upgrade fails with 1804 -j, please try again without -j. From time to time in the past there 1805 have been problems using -j with buildworld and/or installworld. This 1806 is especially true when upgrading between "distant" versions (eg one 1807 that cross a major release boundary or several minor releases, or when 1808 several months have passed on the -current branch). 1809 1810 Sometimes, obscure build problems are the result of environment 1811 poisoning. This can happen because the make utility reads its 1812 environment when searching for values for global variables. To run 1813 your build attempts in an "environmental clean room", prefix all make 1814 commands with 'env -i '. See the env(1) manual page for more details. 1815 1816 When upgrading from one major version to another it is generally best to 1817 upgrade to the latest code in the currently installed branch first, then 1818 do an upgrade to the new branch. This is the best-tested upgrade path, 1819 and has the highest probability of being successful. Please try this 1820 approach if you encounter problems with a major version upgrade. Since 1821 the stable 4.x branch point, one has generally been able to upgade from 1822 anywhere in the most recent stable branch to head / current (or even the 1823 last couple of stable branches). See the top of this file when there's 1824 an exception. 1825 1826 When upgrading a live system, having a root shell around before 1827 installing anything can help undo problems. Not having a root shell 1828 around can lead to problems if pam has changed too much from your 1829 starting point to allow continued authentication after the upgrade. 1830 1831 This file should be read as a log of events. When a later event changes 1832 information of a prior event, the prior event should not be deleted. 1833 Instead, a pointer to the entry with the new information should be 1834 placed in the old entry. Readers of this file should also sanity check 1835 older entries before relying on them blindly. Authors of new entries 1836 should write them with this in mind. 1837 1838 ZFS notes 1839 --------- 1840 When upgrading the boot ZFS pool to a new version, always follow 1841 these two steps: 1842 1843 1.) recompile and reinstall the ZFS boot loader and boot block 1844 (this is part of "make buildworld" and "make installworld") 1845 1846 2.) update the ZFS boot block on your boot drive 1847 1848 The following example updates the ZFS boot block on the first 1849 partition (freebsd-boot) of a GPT partitioned drive ada0: 1850 "gpart bootcode -p /boot/gptzfsboot -i 1 ada0" 1851 1852 Non-boot pools do not need these updates. 1853 1854 To build a kernel 1855 ----------------- 1856 If you are updating from a prior version of FreeBSD (even one just 1857 a few days old), you should follow this procedure. It is the most 1858 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 1859 1860 make kernel-toolchain 1861 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 1862 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 1863 1864 To test a kernel once 1865 --------------------- 1866 If you just want to boot a kernel once (because you are not sure 1867 if it works, or if you want to boot a known bad kernel to provide 1868 debugging information) run 1869 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 1870 nextboot -k testkernel 1871 1872 To rebuild everything and install it on the current system. 1873 ----------------------------------------------------------- 1874 # Note: sometimes if you are running current you gotta do more than 1875 # is listed here if you are upgrading from a really old current. 1876 1877 <make sure you have good level 0 dumps> 1878 make buildworld 1879 make buildkernel KERNCONF=YOUR_KERNEL_HERE 1880 make installkernel KERNCONF=YOUR_KERNEL_HERE 1881 [1] 1882 <reboot in single user> [3] 1883 mergemaster -Fp [5] 1884 make installworld 1885 mergemaster -Fi [4] 1886 make delete-old [6] 1887 <reboot> 1888 1889 To cross-install current onto a separate partition 1890 -------------------------------------------------- 1891 # In this approach we use a separate partition to hold 1892 # current's root, 'usr', and 'var' directories. A partition 1893 # holding "/", "/usr" and "/var" should be about 2GB in 1894 # size. 1895 1896 <make sure you have good level 0 dumps> 1897 <boot into -stable> 1898 make buildworld 1899 make buildkernel KERNCONF=YOUR_KERNEL_HERE 1900 <maybe newfs current's root partition> 1901 <mount current's root partition on directory ${CURRENT_ROOT}> 1902 make installworld DESTDIR=${CURRENT_ROOT} -DDB_FROM_SRC 1903 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 1904 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 1905 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 1906 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 1907 <reboot into current> 1908 <do a "native" rebuild/install as described in the previous section> 1909 <maybe install compatibility libraries from ports/misc/compat*> 1910 <reboot> 1911 1912 1913 To upgrade in-place from stable to current 1914 ---------------------------------------------- 1915 <make sure you have good level 0 dumps> 1916 make buildworld [9] 1917 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 1918 [1] 1919 <reboot in single user> [3] 1920 mergemaster -Fp [5] 1921 make installworld 1922 mergemaster -Fi [4] 1923 make delete-old [6] 1924 <reboot> 1925 1926 Make sure that you've read the UPDATING file to understand the 1927 tweaks to various things you need. At this point in the life 1928 cycle of current, things change often and you are on your own 1929 to cope. The defaults can also change, so please read ALL of 1930 the UPDATING entries. 1931 1932 Also, if you are tracking -current, you must be subscribed to 1933 freebsd-current@freebsd.org. Make sure that before you update 1934 your sources that you have read and understood all the recent 1935 messages there. If in doubt, please track -stable which has 1936 much fewer pitfalls. 1937 1938 [1] If you have third party modules, such as vmware, you 1939 should disable them at this point so they don't crash your 1940 system on reboot. 1941 1942 [3] From the bootblocks, boot -s, and then do 1943 fsck -p 1944 mount -u / 1945 mount -a 1946 cd src 1947 adjkerntz -i # if CMOS is wall time 1948 Also, when doing a major release upgrade, it is required that 1949 you boot into single user mode to do the installworld. 1950 1951 [4] Note: This step is non-optional. Failure to do this step 1952 can result in a significant reduction in the functionality of the 1953 system. Attempting to do it by hand is not recommended and those 1954 that pursue this avenue should read this file carefully, as well 1955 as the archives of freebsd-current and freebsd-hackers mailing lists 1956 for potential gotchas. The -U option is also useful to consider. 1957 See mergemaster(8) for more information. 1958 1959 [5] Usually this step is a noop. However, from time to time 1960 you may need to do this if you get unknown user in the following 1961 step. It never hurts to do it all the time. You may need to 1962 install a new mergemaster (cd src/usr.sbin/mergemaster && make 1963 install) after the buildworld before this step if you last updated 1964 from current before 20130425 or from -stable before 20130430. 1965 1966 [6] This only deletes old files and directories. Old libraries 1967 can be deleted by "make delete-old-libs", but you have to make 1968 sure that no program is using those libraries anymore. 1969 1970 [8] In order to have a kernel that can run the 4.x binaries needed to 1971 do an installworld, you must include the COMPAT_FREEBSD4 option in 1972 your kernel. Failure to do so may leave you with a system that is 1973 hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 is 1974 required to run the 5.x binaries on more recent kernels. And so on 1975 for COMPAT_FREEBSD6 and COMPAT_FREEBSD7. 1976 1977 Make sure that you merge any new devices from GENERIC since the 1978 last time you updated your kernel config file. 1979 1980 [9] If CPUTYPE is defined in your /etc/make.conf, make sure to use the 1981 "?=" instead of the "=" assignment operator, so that buildworld can 1982 override the CPUTYPE if it needs to. 1983 1984 MAKEOBJDIRPREFIX must be defined in an environment variable, and 1985 not on the command line, or in /etc/make.conf. buildworld will 1986 warn if it is improperly defined. 1987FORMAT: 1988 1989This file contains a list, in reverse chronological order, of major 1990breakages in tracking -current. It is not guaranteed to be a complete 1991list of such breakages, and only contains entries since September 23, 2011. 1992If you need to see UPDATING entries from before that date, you will need 1993to fetch an UPDATING file from an older FreeBSD release. 1994 1995Copyright information: 1996 1997Copyright 1998-2009 M. Warner Losh. All Rights Reserved. 1998 1999Redistribution, publication, translation and use, with or without 2000modification, in full or in part, in any form or format of this 2001document are permitted without further permission from the author. 2002 2003THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 2004IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 2005WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 2006DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 2007INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 2008(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2009SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2010HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 2011STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 2012IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2013POSSIBILITY OF SUCH DAMAGE. 2014 2015Contact Warner Losh if you have any questions about your use of 2016this document. 2017 2018$FreeBSD$ 2019