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 5420180114: 55 Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to 56 6.0.0. Please see the 20141231 entry below for information about 57 prerequisites and upgrading, if you are not already using clang 3.5.0 58 or higher. 59 6020180110: 61 LLVM's lld linker is now used as the FreeBSD/amd64 bootstrap linker. 62 This means it is used to link the kernel and userland libraries and 63 executables, but is not yet installed as /usr/bin/ld by default. 64 65 To revert to ld.bfd as the bootstrap linker, in /etc/src.conf set 66 WITHOUT_LLD_BOOTSTRAP=yes 67 6820180110: 69 On i386, pmtimer has been removed. Its functionality has been folded 70 into apm. It was a no-op on ACPI in current for a while now (but was still 71 needed on i386 in FreeBSD 11 and earlier). Users may need to remove it 72 from kernel config files. 73 7420180104: 75 The use of RSS hash from the network card aka flowid has been 76 disabled by default for lagg(4) as it's currently incompatible with 77 the lacp and loadbalance protocols. 78 79 This can be re-enabled by setting the following in loader.conf: 80 net.link.lagg.default_use_flowid="1" 81 8220180102: 83 The SW_WATCHDOG option is no longer necessary to enable the 84 hardclock-based software watchdog if no hardware watchdog is 85 configured. As before, SW_WATCHDOG will cause the software 86 watchdog to be enabled even if a hardware watchdog is configured. 87 8820171215: 89 r326887 fixes the issue described in the 20171214 UPDATING entry. 90 r326888 flips the switch back to building GELI support always. 91 9220171214: 93 r362593 broke ZFS + GELI support for reasons unknown. However, 94 it also broke ZFS support generally, so GELI has been turned off 95 by default as the lesser evil in r326857. If you boot off ZFS and/or 96 GELI, it might not be a good time to update. 97 9820171125: 99 PowerPC users must update loader(8) by rebuilding world before 100 installing a new kernel, as the protocol connecting them has 101 changed. Without the update, loader metadata will not be passed 102 successfully to the kernel and users will have to enter their 103 root partition at the kernel mountroot prompt to continue booting. 104 Newer versions of loader can boot old kernels without issue. 105 10620171110: 107 The LOADER_FIREWIRE_SUPPORT build variable as been renamed to 108 WITH/OUT_LOADER_FIREWIRE. LOADER_{NO_,}GELI_SUPPORT has been renamed 109 to WITH/OUT_LOADER_GELI. 110 11120171106: 112 The naive and non-compliant support of posix_fallocate(2) in ZFS 113 has been removed as of r325320. The system call now returns EINVAL 114 when used on a ZFS file. Although the new behavior complies with the 115 standard, some consumers are not prepared to cope with it. 116 One known victim is lld prior to r325420. 117 11820171102: 119 Building in a FreeBSD src checkout will automatically create object 120 directories now rather than store files in the current directory if 121 'make obj' was not ran. Calling 'make obj' is no longer necessary. 122 This feature can be disabled by setting WITHOUT_AUTO_OBJ=yes in 123 /etc/src-env.conf (not /etc/src.conf), or passing the option in the 124 environment. 125 12620171101: 127 The default MAKEOBJDIR has changed from /usr/obj/<srcdir> for native 128 builds, and /usr/obj/<arch>/<srcdir> for cross-builds, to a unified 129 /usr/obj/<srcdir>/<arch>. This behavior can be changed to the old 130 format by setting WITHOUT_UNIFIED_OBJDIR=yes in /etc/src-env.conf, 131 the environment, or with -DWITHOUT_UNIFIED_OBJDIR when building. 132 The UNIFIED_OBJDIR option is a transitional feature that will be 133 removed for 12.0 release; please migrate to the new format for any 134 tools by looking up the OBJDIR used by 'make -V .OBJDIR' means rather 135 than hardcoding paths. 136 13720171028: 138 The native-xtools target no longer installs the files by default to the 139 OBJDIR. Use the native-xtools-install target with a DESTDIR to install 140 to ${DESTDIR}/${NXTP} where NXTP defaults to /nxb-bin. 141 14220171021: 143 As part of the boot loader infrastructure cleanup, LOADER_*_SUPPORT 144 options are changing from controlling the build if defined / undefined 145 to controlling the build with explicit 'yes' or 'no' values. They will 146 shift to WITH/WITHOUT options to match other options in the system. 147 14820171010: 149 libstand has turned into a private library for sys/boot use only. 150 It is no longer supported as a public interface outside of sys/boot. 151 15220171005: 153 The arm port has split armv6 into armv6 and armv7. armv7 is now 154 a valid TARGET_ARCH/MACHINE_ARCH setting. If you have an armv7 system 155 and are running a kernel from before r324363, you will need to add 156 MACHINE_ARCH=armv7 to 'make buildworld' to do a native build. 157 15820171003: 159 When building multiple kernels using KERNCONF, non-existent KERNCONF 160 files will produce an error and buildkernel will fail. Previously 161 missing KERNCONF files silently failed giving no indication as to 162 why, only to subsequently discover during installkernel that the 163 desired kernel was never built in the first place. 164 16520170912: 166 The default serial number format for CTL LUNs has changed. This will 167 affect users who use /dev/diskid/* device nodes, or whose FibreChannel 168 or iSCSI clients care about their LUNs' serial numbers. Users who 169 require serial number stability should hardcode serial numbers in 170 /etc/ctl.conf . 171 17220170912: 173 For 32-bit arm compiled for hard-float support, soft-floating point 174 binaries now always get their shared libraries from 175 LD_SOFT_LIBRARY_PATH (in the past, this was only used if 176 /usr/libsoft also existed). Only users with a hard-float ld.so, but 177 soft-float everything else should be affected. 178 17920170826: 180 The geli password typed at boot is now hidden. To restore the previous 181 behavior, see geli(8) for configuration options. 182 18320170825: 184 Move PMTUD blackhole counters to TCPSTATS and remove them from bare 185 sysctl values. Minor nit, but requires a rebuild of both world/kernel 186 to complete. 187 18820170814: 189 "make check" behavior (made in ^/head@r295380) has been changed to 190 execute from a limited sandbox, as opposed to executing from 191 ${TESTSDIR}. 192 193 Behavioral changes: 194 - The "beforecheck" and "aftercheck" targets are now specified. 195 - ${CHECKDIR} (added in commit noted above) has been removed. 196 - Legacy behavior can be enabled by setting 197 WITHOUT_MAKE_CHECK_USE_SANDBOX in src.conf(5) or the environment. 198 199 If the limited sandbox mode is enabled, "make check" will execute 200 "make distribution", then install, execute the tests, and clean up the 201 sandbox if successful. 202 203 The "make distribution" and "make install" targets are typically run as 204 root to set appropriate permissions and ownership at installation time. 205 The end-user should set "WITH_INSTALL_AS_USER" in src.conf(5) or the 206 environment if executing "make check" with limited sandbox mode using 207 an unprivileged user. 208 20920170808: 210 Since the switch to GPT disk labels, fsck for UFS/FFS has been 211 unable to automatically find alternate superblocks. As of r322297, 212 the information needed to find alternate superblocks has been 213 moved to the end of the area reserved for the boot block. 214 Filesystems created with a newfs of this vintage or later 215 will create the recovery information. If you have a filesystem 216 created prior to this change and wish to have a recovery block 217 created for your filesystem, you can do so by running fsck in 218 foreground mode (i.e., do not use the -p or -y options). As it 219 starts, fsck will ask ``SAVE DATA TO FIND ALTERNATE SUPERBLOCKS'' 220 to which you should answer yes. 221 22220170728: 223 As of r321665, an NFSv4 server configuration that services 224 Kerberos mounts or clients that do not support the uid/gid in 225 owner/owner_group string capability, must explicitly enable 226 the nfsuserd daemon by adding nfsuserd_enable="YES" to the 227 machine's /etc/rc.conf file. 228 22920170722: 230 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 5.0.0. 231 Please see the 20141231 entry below for information about prerequisites 232 and upgrading, if you are not already using clang 3.5.0 or higher. 233 23420170701: 235 WITHOUT_RCMDS is now the default. Set WITH_RCMDS if you need the 236 r-commands (rlogin, rsh, etc.) to be built with the base system. 237 23820170625: 239 The FreeBSD/powerpc platform now uses a 64-bit type for time_t. This is 240 a very major ABI incompatible change, so users of FreeBSD/powerpc must 241 be careful when performing source upgrades. It is best to run 242 'make installworld' from an alternate root system, either a live 243 CD/memory stick, or a temporary root partition. Additionally, all ports 244 must be recompiled. powerpc64 is largely unaffected, except in the case 245 of 32-bit compatibility. All 32-bit binaries will be affected. 246 24720170623: 248 Forward compatibility for the "ino64" project have been committed. This 249 will allow most new binaries to run on older kernels in a limited 250 fashion. This prevents many of the common foot-shooting actions in the 251 upgrade as well as the limited ability to roll back the kernel across 252 the ino64 upgrade. Complicated use cases may not work properly, though 253 enough simpler ones work to allow recovery in most situations. 254 25520170620: 256 Switch back to the BSDL dtc (Device Tree Compiler). Set WITH_GPL_DTC 257 if you require the GPL compiler. 258 25920170618: 260 The internal ABI used for communication between the NFS kernel modules 261 was changed by r320085, so __FreeBSD_version was bumped to 262 ensure all the NFS related modules are updated together. 263 26420170617: 265 The ABI of struct event was changed by extending the data 266 member to 64bit and adding ext fields. For upgrade, same 267 precautions as for the entry 20170523 "ino64" must be 268 followed. 269 27020170531: 271 The GNU roff toolchain has been removed from base. To render manpages 272 which are not supported by mandoc(1), man(1) can fallback on GNU roff 273 from ports (and recommends to install it). 274 To render roff(7) documents, consider using GNU roff from ports or the 275 heirloom doctools roff toolchain from ports via pkg install groff or 276 via pkg install heirloom-doctools. 277 27820170524: 279 The ath(4) and ath_hal(4) modules now build piecemeal to allow for 280 smaller runtime footprint builds. This is useful for embedded systems 281 which only require one chipset support. 282 283 If you load it as a module, make sure this is in /boot/loader.conf: 284 285 if_ath_load="YES" 286 287 This will load the HAL, all chip/RF backends and if_ath_pci. 288 If you have if_ath_pci in /boot/loader.conf, ensure it is after 289 if_ath or it will not load any HAL chipset support. 290 291 If you want to selectively load things (eg on ye cheape ARM/MIPS 292 platforms where RAM is at a premium) you should: 293 294 * load ath_hal 295 * load the chip modules in question 296 * load ath_rate, ath_dfs 297 * load ath_main 298 * load if_ath_pci and/or if_ath_ahb depending upon your particular 299 bus bind type - this is where probe/attach is done. 300 301 For further comments/feedback, poke adrian@ . 302 30320170523: 304 The "ino64" 64-bit inode project has been committed, which extends 305 a number of types to 64 bits. Upgrading in place requires care and 306 adherence to the documented upgrade procedure. 307 308 If using a custom kernel configuration ensure that the 309 COMPAT_FREEBSD11 option is included (as during the upgrade the 310 system will be running the ino64 kernel with the existing world). 311 312 For the safest in-place upgrade begin by removing previous build 313 artifacts via "rm -rf /usr/obj/*". Then, carefully follow the 314 full procedure documented below under the heading "To rebuild 315 everything and install it on the current system." Specifically, 316 a reboot is required after installing the new kernel before 317 installing world. 318 31920170424: 320 The NATM framework including the en(4), fatm(4), hatm(4), and 321 patm(4) devices has been removed. Consumers should plan a 322 migration before the end-of-life date for FreeBSD 11. 323 32420170420: 325 GNU diff has been replaced by a BSD licensed diff. Some features of GNU 326 diff has not been implemented, if those are needed a newer version of 327 GNU diff is available via the diffutils package under the gdiff name. 328 32920170413: 330 As of r316810 for ipfilter, keep frags is no longer assumed when 331 keep state is specified in a rule. r316810 aligns ipfilter with 332 documentation in man pages separating keep frags from keep state. 333 This allows keep state to be specified without forcing keep frags 334 and allows keep frags to be specified independently of keep state. 335 To maintain previous behaviour, also specify keep frags with 336 keep state (as documented in ipf.conf.5). 337 33820170407: 339 arm64 builds now use the base system LLD 4.0.0 linker by default, 340 instead of requiring that the aarch64-binutils port or package be 341 installed. To continue using aarch64-binutils, set 342 CROSS_BINUTILS_PREFIX=/usr/local/aarch64-freebsd/bin . 343 34420170405: 345 The UDP optimization in entry 20160818 that added the sysctl 346 net.inet.udp.require_l2_bcast has been reverted. L2 broadcast 347 packets will no longer be treated as L3 broadcast packets. 348 34920170331: 350 Binds and sends to the loopback addresses, IPv6 and IPv4, will now 351 use any explicitly assigned loopback address available in the jail 352 instead of using the first assigned address of the jail. 353 35420170329: 355 The ctl.ko module no longer implements the iSCSI target frontend: 356 cfiscsi.ko does instead. 357 358 If building cfiscsi.ko as a kernel module, the module can be loaded 359 via one of the following methods: 360 - `cfiscsi_load="YES"` in loader.conf(5). 361 - Add `cfiscsi` to `$kld_list` in rc.conf(5). 362 - ctladm(8)/ctld(8), when compiled with iSCSI support 363 (`WITH_ISCSI=yes` in src.conf(5)) 364 365 Please see cfiscsi(4) for more details. 366 36720170316: 368 The mmcsd.ko module now additionally depends on geom_flashmap.ko. 369 Also, mmc.ko and mmcsd.ko need to be a matching pair built from the 370 same source (previously, the dependency of mmcsd.ko on mmc.ko was 371 missing, but mmcsd.ko now will refuse to load if it is incompatible 372 with mmc.ko). 373 37420170315: 375 The syntax of ipfw(8) named states was changed to avoid ambiguity. 376 If you have used named states in the firewall rules, you need to modify 377 them after installworld and before rebooting. Now named states must 378 be prefixed with colon. 379 38020170311: 381 The old drm (sys/dev/drm/) drivers for i915 and radeon have been 382 removed as the userland we provide cannot use them. The KMS version 383 (sys/dev/drm2) supports the same hardware. 384 38520170302: 386 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 4.0.0. 387 Please see the 20141231 entry below for information about prerequisites 388 and upgrading, if you are not already using clang 3.5.0 or higher. 389 39020170221: 391 The code that provides support for ZFS .zfs/ directory functionality 392 has been reimplemented. It's not possible now to create a snapshot 393 by mkdir under .zfs/snapshot/. That should be the only user visible 394 change. 395 39620170216: 397 EISA bus support has been removed. The WITH_EISA option is no longer 398 valid. 399 40020170215: 401 MCA bus support has been removed. 402 40320170127: 404 The WITH_LLD_AS_LD / WITHOUT_LLD_AS_LD build knobs have been renamed 405 WITH_LLD_IS_LD / WITHOUT_LLD_IS_LD, for consistency with CLANG_IS_CC. 406 40720170112: 408 The EM_MULTIQUEUE kernel configuration option is deprecated now that 409 the em(4) driver conforms to iflib specifications. 410 41120170109: 412 The igb(4), em(4) and lem(4) ethernet drivers are now implemented via 413 IFLIB. If you have a custom kernel configuration that excludes em(4) 414 but you use igb(4), you need to re-add em(4) to your custom configuration. 415 41620161217: 417 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.9.1. 418 Please see the 20141231 entry below for information about prerequisites 419 and upgrading, if you are not already using clang 3.5.0 or higher. 420 42120161124: 422 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.9.0. 423 Please see the 20141231 entry below for information about prerequisites 424 and upgrading, if you are not already using clang 3.5.0 or higher. 425 42620161119: 427 The layout of the pmap structure has changed for powerpc to put the pmap 428 statistics at the front for all CPU variations. libkvm(3) and all tools 429 that link against it need to be recompiled. 430 43120161030: 432 isl(4) and cyapa(4) drivers now require a new driver, 433 chromebook_platform(4), to work properly on Chromebook-class hardware. 434 On other types of hardware the drivers may need to be configured using 435 device hints. Please see the corresponding manual pages for details. 436 43720161017: 438 The urtwn(4) driver was merged into rtwn(4) and now consists of 439 rtwn(4) main module + rtwn_usb(4) and rtwn_pci(4) bus-specific 440 parts. 441 Also, firmware for RTL8188CE was renamed due to possible name 442 conflict (rtwnrtl8192cU(B) -> rtwnrtl8192cE(B)) 443 44420161015: 445 GNU rcs has been removed from base. It is available as packages: 446 - rcs: Latest GPLv3 GNU rcs version. 447 - rcs57: Copy of the latest version of GNU rcs (GPLv2) before it was 448 removed from base. 449 45020161008: 451 Use of the cc_cdg, cc_chd, cc_hd, or cc_vegas congestion control 452 modules now requires that the kernel configuration contain the 453 TCP_HHOOK option. (This option is included in the GENERIC kernel.) 454 45520161003: 456 The WITHOUT_ELFCOPY_AS_OBJCOPY src.conf(5) knob has been retired. 457 ELF Tool Chain's elfcopy is always installed as /usr/bin/objcopy. 458 45920160924: 460 Relocatable object files with the extension of .So have been renamed 461 to use an extension of .pico instead. The purpose of this change is 462 to avoid a name clash with shared libraries on case-insensitive file 463 systems. On those file systems, foo.So is the same file as foo.so. 464 46520160918: 466 GNU rcs has been turned off by default. It can (temporarily) be built 467 again by adding WITH_RCS knob in src.conf. 468 Otherwise, GNU rcs is available from packages: 469 - rcs: Latest GPLv3 GNU rcs version. 470 - rcs57: Copy of the latest version of GNU rcs (GPLv2) from base. 471 47220160918: 473 The backup_uses_rcs functionality has been removed from rc.subr. 474 47520160908: 476 The queue(3) debugging macro, QUEUE_MACRO_DEBUG, has been split into 477 two separate components, QUEUE_MACRO_DEBUG_TRACE and 478 QUEUE_MACRO_DEBUG_TRASH. Define both for the original 479 QUEUE_MACRO_DEBUG behavior. 480 48120160824: 482 r304787 changed some ioctl interfaces between the iSCSI userspace 483 programs and the kernel. ctladm, ctld, iscsictl, and iscsid must be 484 rebuilt to work with new kernels. __FreeBSD_version has been bumped 485 to 1200005. 486 48720160818: 488 The UDP receive code has been updated to only treat incoming UDP 489 packets that were addressed to an L2 broadcast address as L3 490 broadcast packets. It is not expected that this will affect any 491 standards-conforming UDP application. The new behaviour can be 492 disabled by setting the sysctl net.inet.udp.require_l2_bcast to 493 0. 494 49520160818: 496 Remove the openbsd_poll system call. 497 __FreeBSD_version has been bumped because of this. 498 49920160622: 500 The libc stub for the pipe(2) system call has been replaced with 501 a wrapper that calls the pipe2(2) system call and the pipe(2) 502 system call is now only implemented by the kernels that include 503 "options COMPAT_FREEBSD10" in their config file (this is the 504 default). Users should ensure that this option is enabled in 505 their kernel or upgrade userspace to r302092 before upgrading their 506 kernel. 507 50820160527: 509 CAM will now strip leading spaces from SCSI disks' serial numbers. 510 This will affect users who create UFS filesystems on SCSI disks using 511 those disk's diskid device nodes. For example, if /etc/fstab 512 previously contained a line like 513 "/dev/diskid/DISK-%20%20%20%20%20%20%20ABCDEFG0123456", you should 514 change it to "/dev/diskid/DISK-ABCDEFG0123456". Users of geom 515 transforms like gmirror may also be affected. ZFS users should 516 generally be fine. 517 51820160523: 519 The bitstring(3) API has been updated with new functionality and 520 improved performance. But it is binary-incompatible with the old API. 521 Objects built with the new headers may not be linked against objects 522 built with the old headers. 523 52420160520: 525 The brk and sbrk functions have been removed from libc on arm64. 526 Binutils from ports has been updated to not link to these 527 functions and should be updated to the latest version before 528 installing a new libc. 529 53020160517: 531 The armv6 port now defaults to hard float ABI. Limited support 532 for running both hardfloat and soft float on the same system 533 is available using the libraries installed with -DWITH_LIBSOFT. 534 This has only been tested as an upgrade path for installworld 535 and packages may fail or need manual intervention to run. New 536 packages will be needed. 537 538 To update an existing self-hosted armv6hf system, you must add 539 TARGET_ARCH=armv6 on the make command line for both the build 540 and the install steps. 541 54220160510: 543 Kernel modules compiled outside of a kernel build now default to 544 installing to /boot/modules instead of /boot/kernel. Many kernel 545 modules built this way (such as those in ports) already overrode 546 KMODDIR explicitly to install into /boot/modules. However, 547 manually building and installing a module from /sys/modules will 548 now install to /boot/modules instead of /boot/kernel. 549 55020160414: 551 The CAM I/O scheduler has been committed to the kernel. There should be 552 no user visible impact. This does enable NCQ Trim on ada SSDs. While the 553 list of known rogues that claim support for this but actually corrupt 554 data is believed to be complete, be on the lookout for data 555 corruption. The known rogue list is believed to be complete: 556 557 o Crucial MX100, M550 drives with MU01 firmware. 558 o Micron M510 and M550 drives with MU01 firmware. 559 o Micron M500 prior to MU07 firmware 560 o Samsung 830, 840, and 850 all firmwares 561 o FCCT M500 all firmwares 562 563 Crucial has firmware http://www.crucial.com/usa/en/support-ssd-firmware 564 with working NCQ TRIM. For Micron branded drives, see your sales rep for 565 updated firmware. Black listed drives will work correctly because these 566 drives work correctly so long as no NCQ TRIMs are sent to them. Given 567 this list is the same as found in Linux, it's believed there are no 568 other rogues in the market place. All other models from the above 569 vendors work. 570 571 To be safe, if you are at all concerned, you can quirk each of your 572 drives to prevent NCQ from being sent by setting: 573 kern.cam.ada.X.quirks="0x2" 574 in loader.conf. If the drive requires the 4k sector quirk, set the 575 quirks entry to 0x3. 576 57720160330: 578 The FAST_DEPEND build option has been removed and its functionality is 579 now the one true way. The old mkdep(1) style of 'make depend' has 580 been removed. See 20160311 for further details. 581 58220160317: 583 Resource range types have grown from unsigned long to uintmax_t. All 584 drivers, and anything using libdevinfo, need to be recompiled. 585 58620160311: 587 WITH_FAST_DEPEND is now enabled by default for in-tree and out-of-tree 588 builds. It no longer runs mkdep(1) during 'make depend', and the 589 'make depend' stage can safely be skipped now as it is auto ran 590 when building 'make all' and will generate all SRCS and DPSRCS before 591 building anything else. Dependencies are gathered at compile time with 592 -MF flags kept in separate .depend files per object file. Users should 593 run 'make cleandepend' once if using -DNO_CLEAN to clean out older 594 stale .depend files. 595 59620160306: 597 On amd64, clang 3.8.0 can now insert sections of type AMD64_UNWIND into 598 kernel modules. Therefore, if you load any kernel modules at boot time, 599 please install the boot loaders after you install the kernel, but before 600 rebooting, e.g.: 601 602 make buildworld 603 make kernel KERNCONF=YOUR_KERNEL_HERE 604 make -C sys/boot install 605 <reboot in single user> 606 607 Then follow the usual steps, described in the General Notes section, 608 below. 609 61020160305: 611 Clang, llvm, lldb and compiler-rt have been upgraded to 3.8.0. Please 612 see the 20141231 entry below for information about prerequisites and 613 upgrading, if you are not already using clang 3.5.0 or higher. 614 61520160301: 616 The AIO subsystem is now a standard part of the kernel. The 617 VFS_AIO kernel option and aio.ko kernel module have been removed. 618 Due to stability concerns, asynchronous I/O requests are only 619 permitted on sockets and raw disks by default. To enable 620 asynchronous I/O requests on all file types, set the 621 vfs.aio.enable_unsafe sysctl to a non-zero value. 622 62320160226: 624 The ELF object manipulation tool objcopy is now provided by the 625 ELF Tool Chain project rather than by GNU binutils. It should be a 626 drop-in replacement, with the addition of arm64 support. The 627 (temporary) src.conf knob WITHOUT_ELFCOPY_AS_OBJCOPY knob may be set 628 to obtain the GNU version if necessary. 629 63020160129: 631 Building ZFS pools on top of zvols is prohibited by default. That 632 feature has never worked safely; it's always been prone to deadlocks. 633 Using a zvol as the backing store for a VM guest's virtual disk will 634 still work, even if the guest is using ZFS. Legacy behavior can be 635 restored by setting vfs.zfs.vol.recursive=1. 636 63720160119: 638 The NONE and HPN patches has been removed from OpenSSH. They are 639 still available in the security/openssh-portable port. 640 64120160113: 642 With the addition of ypldap(8), a new _ypldap user is now required 643 during installworld. "mergemaster -p" can be used to add the user 644 prior to installworld, as documented in the handbook. 645 64620151216: 647 The tftp loader (pxeboot) now uses the option root-path directive. As a 648 consequence it no longer looks for a pxeboot.4th file on the tftp 649 server. Instead it uses the regular /boot infrastructure as with the 650 other loaders. 651 65220151211: 653 The code to start recording plug and play data into the modules has 654 been committed. While the old tools will properly build a new kernel, 655 a number of warnings about "unknown metadata record 4" will be produced 656 for an older kldxref. To avoid such warnings, make sure to rebuild 657 the kernel toolchain (or world). Make sure that you have r292078 or 658 later when trying to build 292077 or later before rebuilding. 659 66020151207: 661 Debug data files are now built by default with 'make buildworld' and 662 installed with 'make installworld'. This facilitates debugging but 663 requires more disk space both during the build and for the installed 664 world. Debug files may be disabled by setting WITHOUT_DEBUG_FILES=yes 665 in src.conf(5). 666 66720151130: 668 r291527 changed the internal interface between the nfsd.ko and 669 nfscommon.ko modules. As such, they must both be upgraded to-gether. 670 __FreeBSD_version has been bumped because of this. 671 67220151108: 673 Add support for unicode collation strings leads to a change of 674 order of files listed by ls(1) for example. To get back to the old 675 behaviour, set LC_COLLATE environment variable to "C". 676 677 Databases administrators will need to reindex their databases given 678 collation results will be different. 679 680 Due to a bug in install(1) it is recommended to remove the ancient 681 locales before running make installworld. 682 683 rm -rf /usr/share/locale/* 684 68520151030: 686 The OpenSSL has been upgraded to 1.0.2d. Any binaries requiring 687 libcrypto.so.7 or libssl.so.7 must be recompiled. 688 68920151020: 690 Qlogic 24xx/25xx firmware images were updated from 5.5.0 to 7.3.0. 691 Kernel modules isp_2400_multi and isp_2500_multi were removed and 692 should be replaced with isp_2400 and isp_2500 modules respectively. 693 69420151017: 695 The build previously allowed using 'make -n' to not recurse into 696 sub-directories while showing what commands would be executed, and 697 'make -n -n' to recursively show commands. Now 'make -n' will recurse 698 and 'make -N' will not. 699 70020151012: 701 If you specify SENDMAIL_MC or SENDMAIL_CF in make.conf, mergemaster 702 and etcupdate will now use this file. A custom sendmail.cf is now 703 updated via this mechanism rather than via installworld. If you had 704 excluded sendmail.cf in mergemaster.rc or etcupdate.conf, you may 705 want to remove the exclusion or change it to "always install". 706 /etc/mail/sendmail.cf is now managed the same way regardless of 707 whether SENDMAIL_MC/SENDMAIL_CF is used. If you are not using 708 SENDMAIL_MC/SENDMAIL_CF there should be no change in behavior. 709 71020151011: 711 Compatibility shims for legacy ATA device names have been removed. 712 It includes ATA_STATIC_ID kernel option, kern.cam.ada.legacy_aliases 713 and kern.geom.raid.legacy_aliases loader tunables, kern.devalias.* 714 environment variables, /dev/ad* and /dev/ar* symbolic links. 715 71620151006: 717 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.7.0. 718 Please see the 20141231 entry below for information about prerequisites 719 and upgrading, if you are not already using clang 3.5.0 or higher. 720 72120150924: 722 Kernel debug files have been moved to /usr/lib/debug/boot/kernel/, 723 and renamed from .symbols to .debug. This reduces the size requirements 724 on the boot partition or file system and provides consistency with 725 userland debug files. 726 727 When using the supported kernel installation method the 728 /usr/lib/debug/boot/kernel directory will be renamed (to kernel.old) 729 as is done with /boot/kernel. 730 731 Developers wishing to maintain the historical behavior of installing 732 debug files in /boot/kernel/ can set KERN_DEBUGDIR="" in src.conf(5). 733 73420150827: 735 The wireless drivers had undergone changes that remove the 'parent 736 interface' from the ifconfig -l output. The rc.d network scripts 737 used to check presence of a parent interface in the list, so old 738 scripts would fail to start wireless networking. Thus, etcupdate(3) 739 or mergemaster(8) run is required after kernel update, to update your 740 rc.d scripts in /etc. 741 74220150827: 743 pf no longer supports 'scrub fragment crop' or 'scrub fragment drop-ovl' 744 These configurations are now automatically interpreted as 745 'scrub fragment reassemble'. 746 74720150817: 748 Kernel-loadable modules for the random(4) device are back. To use 749 them, the kernel must have 750 751 device random 752 options RANDOM_LOADABLE 753 754 kldload(8) can then be used to load random_fortuna.ko 755 or random_yarrow.ko. Please note that due to the indirect 756 function calls that the loadable modules need to provide, 757 the build-in variants will be slightly more efficient. 758 759 The random(4) kernel option RANDOM_DUMMY has been retired due to 760 unpopularity. It was not all that useful anyway. 761 76220150813: 763 The WITHOUT_ELFTOOLCHAIN_TOOLS src.conf(5) knob has been retired. 764 Control over building the ELF Tool Chain tools is now provided by 765 the WITHOUT_TOOLCHAIN knob. 766 76720150810: 768 The polarity of Pulse Per Second (PPS) capture events with the 769 uart(4) driver has been corrected. Prior to this change the PPS 770 "assert" event corresponded to the trailing edge of a positive PPS 771 pulse and the "clear" event was the leading edge of the next pulse. 772 773 As the width of a PPS pulse in a typical GPS receiver is on the 774 order of 1 millisecond, most users will not notice any significant 775 difference with this change. 776 777 Anyone who has compensated for the historical polarity reversal by 778 configuring a negative offset equal to the pulse width will need to 779 remove that workaround. 780 78120150809: 782 The default group assigned to /dev/dri entries has been changed 783 from 'wheel' to 'video' with the id of '44'. If you want to have 784 access to the dri devices please add yourself to the video group 785 with: 786 787 # pw groupmod video -m $USER 788 78920150806: 790 The menu.rc and loader.rc files will now be replaced during 791 upgrades. Please migrate local changes to menu.rc.local and 792 loader.rc.local instead. 793 79420150805: 795 GNU Binutils versions of addr2line, c++filt, nm, readelf, size, 796 strings and strip have been removed. The src.conf(5) knob 797 WITHOUT_ELFTOOLCHAIN_TOOLS no longer provides the binutils tools. 798 79920150728: 800 As ZFS requires more kernel stack pages than is the default on some 801 architectures e.g. i386, it now warns if KSTACK_PAGES is less than 802 ZFS_MIN_KSTACK_PAGES (which is 4 at the time of writing). 803 804 Please consider using 'options KSTACK_PAGES=X' where X is greater 805 than or equal to ZFS_MIN_KSTACK_PAGES i.e. 4 in such configurations. 806 80720150706: 808 sendmail has been updated to 8.15.2. Starting with FreeBSD 11.0 809 and sendmail 8.15, sendmail uses uncompressed IPv6 addresses by 810 default, i.e., they will not contain "::". For example, instead 811 of ::1, it will be 0:0:0:0:0:0:0:1. This permits a zero subnet 812 to have a more specific match, such as different map entries for 813 IPv6:0:0 vs IPv6:0. This change requires that configuration 814 data (including maps, files, classes, custom ruleset, etc.) must 815 use the same format, so make certain such configuration data is 816 upgrading. As a very simple check search for patterns like 817 'IPv6:[0-9a-fA-F:]*::' and 'IPv6::'. To return to the old 818 behavior, set the m4 option confUSE_COMPRESSED_IPV6_ADDRESSES or 819 the cf option UseCompressedIPv6Addresses. 820 82120150630: 822 The default kernel entropy-processing algorithm is now 823 Fortuna, replacing Yarrow. 824 825 Assuming you have 'device random' in your kernel config 826 file, the configurations allow a kernel option to override 827 this default. You may choose *ONE* of: 828 829 options RANDOM_YARROW # Legacy /dev/random algorithm. 830 options RANDOM_DUMMY # Blocking-only driver. 831 832 If you have neither, you get Fortuna. For most people, 833 read no further, Fortuna will give a /dev/random that works 834 like it always used to, and the difference will be irrelevant. 835 836 If you remove 'device random', you get *NO* kernel-processed 837 entropy at all. This may be acceptable to folks building 838 embedded systems, but has complications. Carry on reading, 839 and it is assumed you know what you need. 840 841 *PLEASE* read random(4) and random(9) if you are in the 842 habit of tweaking kernel configs, and/or if you are a member 843 of the embedded community, wanting specific and not-usual 844 behaviour from your security subsystems. 845 846 NOTE!! If you use RANDOM_DUMMY and/or have no 'device 847 random', you will NOT have a functioning /dev/random, and 848 many cryptographic features will not work, including SSH. 849 You may also find strange behaviour from the random(3) set 850 of library functions, in particular sranddev(3), srandomdev(3) 851 and arc4random(3). The reason for this is that the KERN_ARND 852 sysctl only returns entropy if it thinks it has some to 853 share, and with RANDOM_DUMMY or no 'device random' this 854 will never happen. 855 85620150623: 857 An additional fix for the issue described in the 20150614 sendmail 858 entry below has been committed in revision 284717. 859 86020150616: 861 FreeBSD's old make (fmake) has been removed from the system. It is 862 available as the devel/fmake port or via pkg install fmake. 863 86420150615: 865 The fix for the issue described in the 20150614 sendmail entry 866 below has been committed in revision 284436. The work 867 around described in that entry is no longer needed unless the 868 default setting is overridden by a confDH_PARAMETERS configuration 869 setting of '5' or pointing to a 512 bit DH parameter file. 870 87120150614: 872 ALLOW_DEPRECATED_ATF_TOOLS/ATFFILE support has been removed from 873 atf.test.mk (included from bsd.test.mk). Please upgrade devel/atf 874 and devel/kyua to version 0.20+ and adjust any calling code to work 875 with Kyuafile and kyua. 876 87720150614: 878 The import of openssl to address the FreeBSD-SA-15:10.openssl 879 security advisory includes a change which rejects handshakes 880 with DH parameters below 768 bits. sendmail releases prior 881 to 8.15.2 (not yet released), defaulted to a 512 bit 882 DH parameter setting for client connections. To work around 883 this interoperability, sendmail can be configured to use a 884 2048 bit DH parameter by: 885 886 1. Edit /etc/mail/`hostname`.mc 887 2. If a setting for confDH_PARAMETERS does not exist or 888 exists and is set to a string beginning with '5', 889 replace it with '2'. 890 3. If a setting for confDH_PARAMETERS exists and is set to 891 a file path, create a new file with: 892 openssl dhparam -out /path/to/file 2048 893 4. Rebuild the .cf file: 894 cd /etc/mail/; make; make install 895 5. Restart sendmail: 896 cd /etc/mail/; make restart 897 898 A sendmail patch is coming, at which time this file will be 899 updated. 900 90120150604: 902 Generation of legacy formatted entries have been disabled by default 903 in pwd_mkdb(8), as all base system consumers of the legacy formatted 904 entries were converted to use the new format by default when the new, 905 machine independent format have been added and supported since FreeBSD 906 5.x. 907 908 Please see the pwd_mkdb(8) manual page for further details. 909 91020150525: 911 Clang and llvm have been upgraded to 3.6.1 release. Please see the 912 20141231 entry below for information about prerequisites and upgrading, 913 if you are not already using 3.5.0 or higher. 914 91520150521: 916 TI platform code switched to using vendor DTS files and this update 917 may break existing systems running on Beaglebone, Beaglebone Black, 918 and Pandaboard: 919 920 - dtb files should be regenerated/reinstalled. Filenames are the 921 same but content is different now 922 - GPIO addressing was changed, now each GPIO bank (32 pins per bank) 923 has its own /dev/gpiocX device, e.g. pin 121 on /dev/gpioc0 in old 924 addressing scheme is now pin 25 on /dev/gpioc3. 925 - Pandaboard: /etc/ttys should be updated, serial console device is 926 now /dev/ttyu2, not /dev/ttyu0 927 92820150501: 929 soelim(1) from gnu/usr.bin/groff has been replaced by usr.bin/soelim. 930 If you need the GNU extension from groff soelim(1), install groff 931 from package: pkg install groff, or via ports: textproc/groff. 932 93320150423: 934 chmod, chflags, chown and chgrp now affect symlinks in -R mode as 935 defined in symlink(7); previously symlinks were silently ignored. 936 93720150415: 938 The const qualifier has been removed from iconv(3) to comply with 939 POSIX. The ports tree is aware of this from r384038 onwards. 940 94120150416: 942 Libraries specified by LIBADD in Makefiles must have a corresponding 943 DPADD_<lib> variable to ensure correct dependencies. This is now 944 enforced in src.libnames.mk. 945 94620150324: 947 From legacy ata(4) driver was removed support for SATA controllers 948 supported by more functional drivers ahci(4), siis(4) and mvs(4). 949 Kernel modules ataahci and ataadaptec were removed completely, 950 replaced by ahci and mvs modules respectively. 951 95220150315: 953 Clang, llvm and lldb have been upgraded to 3.6.0 release. Please see 954 the 20141231 entry below for information about prerequisites and 955 upgrading, if you are not already using 3.5.0 or higher. 956 95720150307: 958 The 32-bit PowerPC kernel has been changed to a position-independent 959 executable. This can only be booted with a version of loader(8) 960 newer than January 31, 2015, so make sure to update both world and 961 kernel before rebooting. 962 96320150217: 964 If you are running a -CURRENT kernel since r273872 (Oct 30th, 2014), 965 but before r278950, the RNG was not seeded properly. Immediately 966 upgrade the kernel to r278950 or later and regenerate any keys (e.g. 967 ssh keys or openssl keys) that were generated w/ a kernel from that 968 range. This does not affect programs that directly used /dev/random 969 or /dev/urandom. All userland uses of arc4random(3) are affected. 970 97120150210: 972 The autofs(4) ABI was changed in order to restore binary compatibility 973 with 10.1-RELEASE. The automountd(8) daemon needs to be rebuilt to work 974 with the new kernel. 975 97620150131: 977 The powerpc64 kernel has been changed to a position-independent 978 executable. This can only be booted with a new version of loader(8), 979 so make sure to update both world and kernel before rebooting. 980 98120150118: 982 Clang and llvm have been upgraded to 3.5.1 release. This is a bugfix 983 only release, no new features have been added. Please see the 20141231 984 entry below for information about prerequisites and upgrading, if you 985 are not already using 3.5.0. 986 98720150107: 988 ELF tools addr2line, elfcopy (strip), nm, size, and strings are now 989 taken from the ELF Tool Chain project rather than GNU binutils. They 990 should be drop-in replacements, with the addition of arm64 support. 991 The WITHOUT_ELFTOOLCHAIN_TOOLS= knob may be used to obtain the 992 binutils tools, if necessary. See 20150805 for updated information. 993 99420150105: 995 The default Unbound configuration now enables remote control 996 using a local socket. Users who have already enabled the 997 local_unbound service should regenerate their configuration 998 by running "service local_unbound setup" as root. 999 100020150102: 1001 The GNU texinfo and GNU info pages have been removed. 1002 To be able to view GNU info pages please install texinfo from ports. 1003 100420141231: 1005 Clang, llvm and lldb have been upgraded to 3.5.0 release. 1006 1007 As of this release, a prerequisite for building clang, llvm and lldb is 1008 a C++11 capable compiler and C++11 standard library. This means that to 1009 be able to successfully build the cross-tools stage of buildworld, with 1010 clang as the bootstrap compiler, your system compiler or cross compiler 1011 should either be clang 3.3 or later, or gcc 4.8 or later, and your 1012 system C++ library should be libc++, or libdstdc++ from gcc 4.8 or 1013 later. 1014 1015 On any standard FreeBSD 10.x or 11.x installation, where clang and 1016 libc++ are on by default (that is, on x86 or arm), this should work out 1017 of the box. 1018 1019 On 9.x installations where clang is enabled by default, e.g. on x86 and 1020 powerpc, libc++ will not be enabled by default, so libc++ should be 1021 built (with clang) and installed first. If both clang and libc++ are 1022 missing, build clang first, then use it to build libc++. 1023 1024 On 8.x and earlier installations, upgrade to 9.x first, and then follow 1025 the instructions for 9.x above. 1026 1027 Sparc64 and mips users are unaffected, as they still use gcc 4.2.1 by 1028 default, and do not build clang. 1029 1030 Many embedded systems are resource constrained, and will not be able to 1031 build clang in a reasonable time, or in some cases at all. In those 1032 cases, cross building bootable systems on amd64 is a workaround. 1033 1034 This new version of clang introduces a number of new warnings, of which 1035 the following are most likely to appear: 1036 1037 -Wabsolute-value 1038 1039 This warns in two cases, for both C and C++: 1040 * When the code is trying to take the absolute value of an unsigned 1041 quantity, which is effectively a no-op, and almost never what was 1042 intended. The code should be fixed, if at all possible. If you are 1043 sure that the unsigned quantity can be safely cast to signed, without 1044 loss of information or undefined behavior, you can add an explicit 1045 cast, or disable the warning. 1046 1047 * When the code is trying to take an absolute value, but the called 1048 abs() variant is for the wrong type, which can lead to truncation. 1049 If you want to disable the warning instead of fixing the code, please 1050 make sure that truncation will not occur, or it might lead to unwanted 1051 side-effects. 1052 1053 -Wtautological-undefined-compare and 1054 -Wundefined-bool-conversion 1055 1056 These warn when C++ code is trying to compare 'this' against NULL, while 1057 'this' should never be NULL in well-defined C++ code. However, there is 1058 some legacy (pre C++11) code out there, which actively abuses this 1059 feature, which was less strictly defined in previous C++ versions. 1060 1061 Squid and openjdk do this, for example. The warning can be turned off 1062 for C++98 and earlier, but compiling the code in C++11 mode might result 1063 in unexpected behavior; for example, the parts of the program that are 1064 unreachable could be optimized away. 1065 106620141222: 1067 The old NFS client and server (kernel options NFSCLIENT, NFSSERVER) 1068 kernel sources have been removed. The .h files remain, since some 1069 utilities include them. This will need to be fixed later. 1070 If "mount -t oldnfs ..." is attempted, it will fail. 1071 If the "-o" option on mountd(8), nfsd(8) or nfsstat(1) is used, 1072 the utilities will report errors. 1073 107420141121: 1075 The handling of LOCAL_LIB_DIRS has been altered to skip addition of 1076 directories to top level SUBDIR variable when their parent 1077 directory is included in LOCAL_DIRS. Users with build systems with 1078 such hierarchies and without SUBDIR entries in the parent 1079 directory Makefiles should add them or add the directories to 1080 LOCAL_DIRS. 1081 108220141109: 1083 faith(4) and faithd(8) have been removed from the base system. Faith 1084 has been obsolete for a very long time. 1085 108620141104: 1087 vt(4), the new console driver, is enabled by default. It brings 1088 support for Unicode and double-width characters, as well as 1089 support for UEFI and integration with the KMS kernel video 1090 drivers. 1091 1092 You may need to update your console settings in /etc/rc.conf, 1093 most probably the keymap. During boot, /etc/rc.d/syscons will 1094 indicate what you need to do. 1095 1096 vt(4) still has issues and lacks some features compared to 1097 syscons(4). See the wiki for up-to-date information: 1098 https://wiki.freebsd.org/Newcons 1099 1100 If you want to keep using syscons(4), you can do so by adding 1101 the following line to /boot/loader.conf: 1102 kern.vty=sc 1103 110420141102: 1105 pjdfstest has been integrated into kyua as an opt-in test suite. 1106 Please see share/doc/pjdfstest/README for more details on how to 1107 execute it. 1108 110920141009: 1110 gperf has been removed from the base system for architectures 1111 that use clang. Ports that require gperf will obtain it from the 1112 devel/gperf port. 1113 111420140923: 1115 pjdfstest has been moved from tools/regression/pjdfstest to 1116 contrib/pjdfstest . 1117 111820140922: 1119 At svn r271982, The default linux compat kernel ABI has been adjusted 1120 to 2.6.18 in support of the linux-c6 compat ports infrastructure 1121 update. If you wish to continue using the linux-f10 compat ports, 1122 add compat.linux.osrelease=2.6.16 to your local sysctl.conf. Users are 1123 encouraged to update their linux-compat packages to linux-c6 during 1124 their next update cycle. 1125 112620140729: 1127 The ofwfb driver, used to provide a graphics console on PowerPC when 1128 using vt(4), no longer allows mmap() of all physical memory. This 1129 will prevent Xorg on PowerPC with some ATI graphics cards from 1130 initializing properly unless x11-servers/xorg-server is updated to 1131 1.12.4_8 or newer. 1132 113320140723: 1134 The xdev targets have been converted to using TARGET and 1135 TARGET_ARCH instead of XDEV and XDEV_ARCH. 1136 113720140719: 1138 The default unbound configuration has been modified to address 1139 issues with reverse lookups on networks that use private 1140 address ranges. If you use the local_unbound service, run 1141 "service local_unbound setup" as root to regenerate your 1142 configuration, then "service local_unbound reload" to load the 1143 new configuration. 1144 114520140709: 1146 The GNU texinfo and GNU info pages are not built and installed 1147 anymore, WITH_INFO knob has been added to allow to built and install 1148 them again. 1149 UPDATE: see 20150102 entry on texinfo's removal 1150 115120140708: 1152 The GNU readline library is now an INTERNALLIB - that is, it is 1153 statically linked into consumers (GDB and variants) in the base 1154 system, and the shared library is no longer installed. The 1155 devel/readline port is available for third party software that 1156 requires readline. 1157 115820140702: 1159 The Itanium architecture (ia64) has been removed from the list of 1160 known architectures. This is the first step in the removal of the 1161 architecture. 1162 116320140701: 1164 Commit r268115 has added NFSv4.1 server support, merged from 1165 projects/nfsv4.1-server. Since this includes changes to the 1166 internal interfaces between the NFS related modules, a full 1167 build of the kernel and modules will be necessary. 1168 __FreeBSD_version has been bumped. 1169 117020140629: 1171 The WITHOUT_VT_SUPPORT kernel config knob has been renamed 1172 WITHOUT_VT. (The other _SUPPORT knobs have a consistent meaning 1173 which differs from the behaviour controlled by this knob.) 1174 117520140619: 1176 Maximal length of the serial number in CTL was increased from 16 to 1177 64 chars, that breaks ABI. All CTL-related tools, such as ctladm 1178 and ctld, need to be rebuilt to work with a new kernel. 1179 118020140606: 1181 The libatf-c and libatf-c++ major versions were downgraded to 0 and 1182 1 respectively to match the upstream numbers. They were out of 1183 sync because, when they were originally added to FreeBSD, the 1184 upstream versions were not respected. These libraries are private 1185 and not yet built by default, so renumbering them should be a 1186 non-issue. However, unclean source trees will yield broken test 1187 programs once the operator executes "make delete-old-libs" after a 1188 "make installworld". 1189 1190 Additionally, the atf-sh binary was made private by moving it into 1191 /usr/libexec/. Already-built shell test programs will keep the 1192 path to the old binary so they will break after "make delete-old" 1193 is run. 1194 1195 If you are using WITH_TESTS=yes (not the default), wipe the object 1196 tree and rebuild from scratch to prevent spurious test failures. 1197 This is only needed once: the misnumbered libraries and misplaced 1198 binaries have been added to OptionalObsoleteFiles.inc so they will 1199 be removed during a clean upgrade. 1200 120120140512: 1202 Clang and llvm have been upgraded to 3.4.1 release. 1203 120420140508: 1205 We bogusly installed src.opts.mk in /usr/share/mk. This file should 1206 be removed to avoid issues in the future (and has been added to 1207 ObsoleteFiles.inc). 1208 120920140505: 1210 /etc/src.conf now affects only builds of the FreeBSD src tree. In the 1211 past, it affected all builds that used the bsd.*.mk files. The old 1212 behavior was a bug, but people may have relied upon it. To get this 1213 behavior back, you can .include /etc/src.conf from /etc/make.conf 1214 (which is still global and isn't changed). This also changes the 1215 behavior of incremental builds inside the tree of individual 1216 directories. Set MAKESYSPATH to ".../share/mk" to do that. 1217 Although this has survived make universe and some upgrade scenarios, 1218 other upgrade scenarios may have broken. At least one form of 1219 temporary breakage was fixed with MAKESYSPATH settings for buildworld 1220 as well... In cases where MAKESYSPATH isn't working with this 1221 setting, you'll need to set it to the full path to your tree. 1222 1223 One side effect of all this cleaning up is that bsd.compiler.mk 1224 is no longer implicitly included by bsd.own.mk. If you wish to 1225 use COMPILER_TYPE, you must now explicitly include bsd.compiler.mk 1226 as well. 1227 122820140430: 1229 The lindev device has been removed since /dev/full has been made a 1230 standard device. __FreeBSD_version has been bumped. 1231 123220140424: 1233 The knob WITHOUT_VI was added to the base system, which controls 1234 building ex(1), vi(1), etc. Older releases of FreeBSD required ex(1) 1235 in order to reorder files share/termcap and didn't build ex(1) as a 1236 build tool, so building/installing with WITH_VI is highly advised for 1237 build hosts for older releases. 1238 1239 This issue has been fixed in stable/9 and stable/10 in r277022 and 1240 r276991, respectively. 1241 124220140418: 1243 The YES_HESIOD knob has been removed. It has been obsolete for 1244 a decade. Please move to using WITH_HESIOD instead or your builds 1245 will silently lack HESIOD. 1246 124720140405: 1248 The uart(4) driver has been changed with respect to its handling 1249 of the low-level console. Previously the uart(4) driver prevented 1250 any process from changing the baudrate or the CLOCAL and HUPCL 1251 control flags. By removing the restrictions, operators can make 1252 changes to the serial console port without having to reboot. 1253 However, when getty(8) is started on the serial device that is 1254 associated with the low-level console, a misconfigured terminal 1255 line in /etc/ttys will now have a real impact. 1256 Before upgrading the kernel, make sure that /etc/ttys has the 1257 serial console device configured as 3wire without baudrate to 1258 preserve the previous behaviour. E.g: 1259 ttyu0 "/usr/libexec/getty 3wire" vt100 on secure 1260 126120140306: 1262 Support for libwrap (TCP wrappers) in rpcbind was disabled by default 1263 to improve performance. To re-enable it, if needed, run rpcbind 1264 with command line option -W. 1265 126620140226: 1267 Switched back to the GPL dtc compiler due to updates in the upstream 1268 dts files not being supported by the BSDL dtc compiler. You will need 1269 to rebuild your kernel toolchain to pick up the new compiler. Core dumps 1270 may result while building dtb files during a kernel build if you fail 1271 to do so. Set WITHOUT_GPL_DTC if you require the BSDL compiler. 1272 127320140216: 1274 Clang and llvm have been upgraded to 3.4 release. 1275 127620140216: 1277 The nve(4) driver has been removed. Please use the nfe(4) driver 1278 for NVIDIA nForce MCP Ethernet adapters instead. 1279 128020140212: 1281 An ABI incompatibility crept into the libc++ 3.4 import in r261283. 1282 This could cause certain C++ applications using shared libraries built 1283 against the previous version of libc++ to crash. The incompatibility 1284 has now been fixed, but any C++ applications or shared libraries built 1285 between r261283 and r261801 should be recompiled. 1286 128720140204: 1288 OpenSSH will now ignore errors caused by kernel lacking of Capsicum 1289 capability mode support. Please note that enabling the feature in 1290 kernel is still highly recommended. 1291 129220140131: 1293 OpenSSH is now built with sandbox support, and will use sandbox as 1294 the default privilege separation method. This requires Capsicum 1295 capability mode support in kernel. 1296 129720140128: 1298 The libelf and libdwarf libraries have been updated to newer 1299 versions from upstream. Shared library version numbers for 1300 these two libraries were bumped. Any ports or binaries 1301 requiring these two libraries should be recompiled. 1302 __FreeBSD_version is bumped to 1100006. 1303 130420140110: 1305 If a Makefile in a tests/ directory was auto-generating a Kyuafile 1306 instead of providing an explicit one, this would prevent such 1307 Makefile from providing its own Kyuafile in the future during 1308 NO_CLEAN builds. This has been fixed in the Makefiles but manual 1309 intervention is needed to clean an objdir if you use NO_CLEAN: 1310 # find /usr/obj -name Kyuafile | xargs rm -f 1311 131220131213: 1313 The behavior of gss_pseudo_random() for the krb5 mechanism 1314 has changed, for applications requesting a longer random string 1315 than produced by the underlying enctype's pseudo-random() function. 1316 In particular, the random string produced from a session key of 1317 enctype aes256-cts-hmac-sha1-96 or aes256-cts-hmac-sha1-96 will 1318 be different at the 17th octet and later, after this change. 1319 The counter used in the PRF+ construction is now encoded as a 1320 big-endian integer in accordance with RFC 4402. 1321 __FreeBSD_version is bumped to 1100004. 1322 132320131108: 1324 The WITHOUT_ATF build knob has been removed and its functionality 1325 has been subsumed into the more generic WITHOUT_TESTS. If you were 1326 using the former to disable the build of the ATF libraries, you 1327 should change your settings to use the latter. 1328 132920131025: 1330 The default version of mtree is nmtree which is obtained from 1331 NetBSD. The output is generally the same, but may vary 1332 slightly. If you found you need identical output adding 1333 "-F freebsd9" to the command line should do the trick. For the 1334 time being, the old mtree is available as fmtree. 1335 133620131014: 1337 libbsdyml has been renamed to libyaml and moved to /usr/lib/private. 1338 This will break ports-mgmt/pkg. Rebuild the port, or upgrade to pkg 1339 1.1.4_8 and verify bsdyml not linked in, before running "make 1340 delete-old-libs": 1341 # make -C /usr/ports/ports-mgmt/pkg build deinstall install clean 1342 or 1343 # pkg install pkg; ldd /usr/local/sbin/pkg | grep bsdyml 1344 134520131010: 1346 The stable/10 branch has been created in subversion from head 1347 revision r256279. 1348 134920131010: 1350 The rc.d/jail script has been updated to support jail(8) 1351 configuration file. The "jail_<jname>_*" rc.conf(5) variables 1352 for per-jail configuration are automatically converted to 1353 /var/run/jail.<jname>.conf before the jail(8) utility is invoked. 1354 This is transparently backward compatible. See below about some 1355 incompatibilities and rc.conf(5) manual page for more details. 1356 1357 These variables are now deprecated in favor of jail(8) configuration 1358 file. One can use "rc.d/jail config <jname>" command to generate 1359 a jail(8) configuration file in /var/run/jail.<jname>.conf without 1360 running the jail(8) utility. The default pathname of the 1361 configuration file is /etc/jail.conf and can be specified by 1362 using $jail_conf or $jail_<jname>_conf variables. 1363 1364 Please note that jail_devfs_ruleset accepts an integer at 1365 this moment. Please consider to rewrite the ruleset name 1366 with an integer. 1367 136820130930: 1369 BIND has been removed from the base system. If all you need 1370 is a local resolver, simply enable and start the local_unbound 1371 service instead. Otherwise, several versions of BIND are 1372 available in the ports tree. The dns/bind99 port is one example. 1373 1374 With this change, nslookup(1) and dig(1) are no longer in the base 1375 system. Users should instead use host(1) and drill(1) which are 1376 in the base system. Alternatively, nslookup and dig can 1377 be obtained by installing the dns/bind-tools port. 1378 137920130916: 1380 With the addition of unbound(8), a new unbound user is now 1381 required during installworld. "mergemaster -p" can be used to 1382 add the user prior to installworld, as documented in the handbook. 1383 138420130911: 1385 OpenSSH is now built with DNSSEC support, and will by default 1386 silently trust signed SSHFP records. This can be controlled with 1387 the VerifyHostKeyDNS client configuration setting. DNSSEC support 1388 can be disabled entirely with the WITHOUT_LDNS option in src.conf. 1389 139020130906: 1391 The GNU Compiler Collection and C++ standard library (libstdc++) 1392 are no longer built by default on platforms where clang is the system 1393 compiler. You can enable them with the WITH_GCC and WITH_GNUCXX 1394 options in src.conf. 1395 139620130905: 1397 The PROCDESC kernel option is now part of the GENERIC kernel 1398 configuration and is required for the rwhod(8) to work. 1399 If you are using custom kernel configuration, you should include 1400 'options PROCDESC'. 1401 140220130905: 1403 The API and ABI related to the Capsicum framework was modified 1404 in backward incompatible way. The userland libraries and programs 1405 have to be recompiled to work with the new kernel. This includes the 1406 following libraries and programs, but the whole buildworld is 1407 advised: libc, libprocstat, dhclient, tcpdump, hastd, hastctl, 1408 kdump, procstat, rwho, rwhod, uniq. 1409 141020130903: 1411 AES-NI intrinsic support has been added to gcc. The AES-NI module 1412 has been updated to use this support. A new gcc is required to build 1413 the aesni module on both i386 and amd64. 1414 141520130821: 1416 The PADLOCK_RNG and RDRAND_RNG kernel options are now devices. 1417 Thus "device padlock_rng" and "device rdrand_rng" should be 1418 used instead of "options PADLOCK_RNG" & "options RDRAND_RNG". 1419 142020130813: 1421 WITH_ICONV has been split into two feature sets. WITH_ICONV now 1422 enables just the iconv* functionality and is now on by default. 1423 WITH_LIBICONV_COMPAT enables the libiconv api and link time 1424 compatibility. Set WITHOUT_ICONV to build the old way. 1425 If you have been using WITH_ICONV before, you will very likely 1426 need to turn on WITH_LIBICONV_COMPAT. 1427 142820130806: 1429 INVARIANTS option now enables DEBUG for code with OpenSolaris and 1430 Illumos origin, including ZFS. If you have INVARIANTS in your 1431 kernel configuration, then there is no need to set DEBUG or ZFS_DEBUG 1432 explicitly. 1433 DEBUG used to enable witness(9) tracking of OpenSolaris (mostly ZFS) 1434 locks if WITNESS option was set. Because that generated a lot of 1435 witness(9) reports and all of them were believed to be false 1436 positives, this is no longer done. New option OPENSOLARIS_WITNESS 1437 can be used to achieve the previous behavior. 1438 143920130806: 1440 Timer values in IPv6 data structures now use time_uptime instead 1441 of time_second. Although this is not a user-visible functional 1442 change, userland utilities which directly use them---ndp(8), 1443 rtadvd(8), and rtsold(8) in the base system---need to be updated 1444 to r253970 or later. 1445 144620130802: 1447 find -delete can now delete the pathnames given as arguments, 1448 instead of only files found below them or if the pathname did 1449 not contain any slashes. Formerly, the following error message 1450 would result: 1451 1452 find: -delete: <path>: relative path potentially not safe 1453 1454 Deleting the pathnames given as arguments can be prevented 1455 without error messages using -mindepth 1 or by changing 1456 directory and passing "." as argument to find. This works in the 1457 old as well as the new version of find. 1458 145920130726: 1460 Behavior of devfs rules path matching has been changed. 1461 Pattern is now always matched against fully qualified devfs 1462 path and slash characters must be explicitly matched by 1463 slashes in pattern (FNM_PATHNAME). Rulesets involving devfs 1464 subdirectories must be reviewed. 1465 146620130716: 1467 The default ARM ABI has changed to the ARM EABI. The old ABI is 1468 incompatible with the ARM EABI and all programs and modules will 1469 need to be rebuilt to work with a new kernel. 1470 1471 To keep using the old ABI ensure the WITHOUT_ARM_EABI knob is set. 1472 1473 NOTE: Support for the old ABI will be removed in the future and 1474 users are advised to upgrade. 1475 147620130709: 1477 pkg_install has been disconnected from the build if you really need it 1478 you should add WITH_PKGTOOLS in your src.conf(5). 1479 148020130709: 1481 Most of network statistics structures were changed to be able 1482 keep 64-bits counters. Thus all tools, that work with networking 1483 statistics, must be rebuilt (netstat(1), bsnmpd(1), etc.) 1484 148520130618: 1486 Fix a bug that allowed a tracing process (e.g. gdb) to write 1487 to a memory-mapped file in the traced process's address space 1488 even if neither the traced process nor the tracing process had 1489 write access to that file. 1490 149120130615: 1492 CVS has been removed from the base system. An exact copy 1493 of the code is available from the devel/cvs port. 1494 149520130613: 1496 Some people report the following error after the switch to bmake: 1497 1498 make: illegal option -- J 1499 usage: make [-BPSXeiknpqrstv] [-C directory] [-D variable] 1500 ... 1501 *** [buildworld] Error code 2 1502 1503 this likely due to an old instance of make in 1504 ${MAKEPATH} (${MAKEOBJDIRPREFIX}${.CURDIR}/make.${MACHINE}) 1505 which src/Makefile will use that blindly, if it exists, so if 1506 you see the above error: 1507 1508 rm -rf `make -V MAKEPATH` 1509 1510 should resolve it. 1511 151220130516: 1513 Use bmake by default. 1514 Whereas before one could choose to build with bmake via 1515 -DWITH_BMAKE one must now use -DWITHOUT_BMAKE to use the old 1516 make. The goal is to remove these knobs for 10-RELEASE. 1517 1518 It is worth noting that bmake (like gmake) treats the command 1519 line as the unit of failure, rather than statements within the 1520 command line. Thus '(cd some/where && dosomething)' is safer 1521 than 'cd some/where; dosomething'. The '()' allows consistent 1522 behavior in parallel build. 1523 152420130429: 1525 Fix a bug that allows NFS clients to issue READDIR on files. 1526 152720130426: 1528 The WITHOUT_IDEA option has been removed because 1529 the IDEA patent expired. 1530 153120130426: 1532 The sysctl which controls TRIM support under ZFS has been renamed 1533 from vfs.zfs.trim_disable -> vfs.zfs.trim.enabled and has been 1534 enabled by default. 1535 153620130425: 1537 The mergemaster command now uses the default MAKEOBJDIRPREFIX 1538 rather than creating it's own in the temporary directory in 1539 order allow access to bootstrapped versions of tools such as 1540 install and mtree. When upgrading from version of FreeBSD where 1541 the install command does not support -l, you will need to 1542 install a new mergemaster command if mergemaster -p is required. 1543 This can be accomplished with the command (cd src/usr.sbin/mergemaster 1544 && make install). 1545 154620130404: 1547 Legacy ATA stack, disabled and replaced by new CAM-based one since 1548 FreeBSD 9.0, completely removed from the sources. Kernel modules 1549 atadisk and atapi*, user-level tools atacontrol and burncd are 1550 removed. Kernel option `options ATA_CAM` is now permanently enabled 1551 and removed. 1552 155320130319: 1554 SOCK_CLOEXEC and SOCK_NONBLOCK flags have been added to socket(2) 1555 and socketpair(2). Software, in particular Kerberos, may 1556 automatically detect and use these during building. The resulting 1557 binaries will not work on older kernels. 1558 155920130308: 1560 CTL_DISABLE has also been added to the sparc64 GENERIC (for further 1561 information, see the respective 20130304 entry). 1562 156320130304: 1564 Recent commits to callout(9) changed the size of struct callout, 1565 so the KBI is probably heavily disturbed. Also, some functions 1566 in callout(9)/sleep(9)/sleepqueue(9)/condvar(9) KPIs were replaced 1567 by macros. Every kernel module using it won't load, so rebuild 1568 is requested. 1569 1570 The ctl device has been re-enabled in GENERIC for i386 and amd64, 1571 but does not initialize by default (because of the new CTL_DISABLE 1572 option) to save memory. To re-enable it, remove the CTL_DISABLE 1573 option from the kernel config file or set kern.cam.ctl.disable=0 1574 in /boot/loader.conf. 1575 157620130301: 1577 The ctl device has been disabled in GENERIC for i386 and amd64. 1578 This was done due to the extra memory being allocated at system 1579 initialisation time by the ctl driver which was only used if 1580 a CAM target device was created. This makes a FreeBSD system 1581 unusable on 128MB or less of RAM. 1582 158320130208: 1584 A new compression method (lz4) has been merged to -HEAD. Please 1585 refer to zpool-features(7) for more information. 1586 1587 Please refer to the "ZFS notes" section of this file for information 1588 on upgrading boot ZFS pools. 1589 159020130129: 1591 A BSD-licensed patch(1) variant has been added and is installed 1592 as bsdpatch, being the GNU version the default patch. 1593 To inverse the logic and use the BSD-licensed one as default, 1594 while having the GNU version installed as gnupatch, rebuild 1595 and install world with the WITH_BSD_PATCH knob set. 1596 159720130121: 1598 Due to the use of the new -l option to install(1) during build 1599 and install, you must take care not to directly set the INSTALL 1600 make variable in your /etc/make.conf, /etc/src.conf, or on the 1601 command line. If you wish to use the -C flag for all installs 1602 you may be able to add INSTALL+=-C to /etc/make.conf or 1603 /etc/src.conf. 1604 160520130118: 1606 The install(1) option -M has changed meaning and now takes an 1607 argument that is a file or path to append logs to. In the 1608 unlikely event that -M was the last option on the command line 1609 and the command line contained at least two files and a target 1610 directory the first file will have logs appended to it. The -M 1611 option served little practical purpose in the last decade so its 1612 use is expected to be extremely rare. 1613 161420121223: 1615 After switching to Clang as the default compiler some users of ZFS 1616 on i386 systems started to experience stack overflow kernel panics. 1617 Please consider using 'options KSTACK_PAGES=4' in such configurations. 1618 161920121222: 1620 GEOM_LABEL now mangles label names read from file system metadata. 1621 Mangling affect labels containing spaces, non-printable characters, 1622 '%' or '"'. Device names in /etc/fstab and other places may need to 1623 be updated. 1624 162520121217: 1626 By default, only the 10 most recent kernel dumps will be saved. To 1627 restore the previous behaviour (no limit on the number of kernel dumps 1628 stored in the dump directory) add the following line to /etc/rc.conf: 1629 1630 savecore_flags="" 1631 163220121201: 1633 With the addition of auditdistd(8), a new auditdistd user is now 1634 required during installworld. "mergemaster -p" can be used to 1635 add the user prior to installworld, as documented in the handbook. 1636 163720121117: 1638 The sin6_scope_id member variable in struct sockaddr_in6 is now 1639 filled by the kernel before passing the structure to the userland via 1640 sysctl or routing socket. This means the KAME-specific embedded scope 1641 id in sin6_addr.s6_addr[2] is always cleared in userland application. 1642 This behavior can be controlled by net.inet6.ip6.deembed_scopeid. 1643 __FreeBSD_version is bumped to 1000025. 1644 164520121105: 1646 On i386 and amd64 systems WITH_CLANG_IS_CC is now the default. 1647 This means that the world and kernel will be compiled with clang 1648 and that clang will be installed as /usr/bin/cc, /usr/bin/c++, 1649 and /usr/bin/cpp. To disable this behavior and revert to building 1650 with gcc, compile with WITHOUT_CLANG_IS_CC. Really old versions 1651 of current may need to bootstrap WITHOUT_CLANG first if the clang 1652 build fails (its compatibility window doesn't extend to the 9 stable 1653 branch point). 1654 165520121102: 1656 The IPFIREWALL_FORWARD kernel option has been removed. Its 1657 functionality now turned on by default. 1658 165920121023: 1660 The ZERO_COPY_SOCKET kernel option has been removed and 1661 split into SOCKET_SEND_COW and SOCKET_RECV_PFLIP. 1662 NB: SOCKET_SEND_COW uses the VM page based copy-on-write 1663 mechanism which is not safe and may result in kernel crashes. 1664 NB: The SOCKET_RECV_PFLIP mechanism is useless as no current 1665 driver supports disposeable external page sized mbuf storage. 1666 Proper replacements for both zero-copy mechanisms are under 1667 consideration and will eventually lead to complete removal 1668 of the two kernel options. 1669 167020121023: 1671 The IPv4 network stack has been converted to network byte 1672 order. The following modules need to be recompiled together 1673 with kernel: carp(4), divert(4), gif(4), siftr(4), gre(4), 1674 pf(4), ipfw(4), ng_ipfw(4), stf(4). 1675 167620121022: 1677 Support for non-MPSAFE filesystems was removed from VFS. The 1678 VFS_VERSION was bumped, all filesystem modules shall be 1679 recompiled. 1680 168120121018: 1682 All the non-MPSAFE filesystems have been disconnected from 1683 the build. The full list includes: codafs, hpfs, ntfs, nwfs, 1684 portalfs, smbfs, xfs. 1685 168620121016: 1687 The interface cloning API and ABI has changed. The following 1688 modules need to be recompiled together with kernel: 1689 ipfw(4), pfsync(4), pflog(4), usb(4), wlan(4), stf(4), 1690 vlan(4), disc(4), edsc(4), if_bridge(4), gif(4), tap(4), 1691 faith(4), epair(4), enc(4), tun(4), if_lagg(4), gre(4). 1692 169320121015: 1694 The sdhci driver was split in two parts: sdhci (generic SD Host 1695 Controller logic) and sdhci_pci (actual hardware driver). 1696 No kernel config modifications are required, but if you 1697 load sdhc as a module you must switch to sdhci_pci instead. 1698 169920121014: 1700 Import the FUSE kernel and userland support into base system. 1701 170220121013: 1703 The GNU sort(1) program has been removed since the BSD-licensed 1704 sort(1) has been the default for quite some time and no serious 1705 problems have been reported. The corresponding WITH_GNU_SORT 1706 knob has also gone. 1707 170820121006: 1709 The pfil(9) API/ABI for AF_INET family has been changed. Packet 1710 filtering modules: pf(4), ipfw(4), ipfilter(4) need to be recompiled 1711 with new kernel. 1712 171320121001: 1714 The net80211(4) ABI has been changed to allow for improved driver 1715 PS-POLL and power-save support. All wireless drivers need to be 1716 recompiled to work with the new kernel. 1717 171820120913: 1719 The random(4) support for the VIA hardware random number 1720 generator (`PADLOCK') is no longer enabled unconditionally. 1721 Add the padlock_rng device in the custom kernel config if 1722 needed. The GENERIC kernels on i386 and amd64 do include the 1723 device, so the change only affects the custom kernel 1724 configurations. 1725 172620120908: 1727 The pf(4) packet filter ABI has been changed. pfctl(8) and 1728 snmp_pf module need to be recompiled to work with new kernel. 1729 173020120828: 1731 A new ZFS feature flag "com.delphix:empty_bpobj" has been merged 1732 to -HEAD. Pools that have empty_bpobj in active state can not be 1733 imported read-write with ZFS implementations that do not support 1734 this feature. For more information read the zpool-features(5) 1735 manual page. 1736 173720120727: 1738 The sparc64 ZFS loader has been changed to no longer try to auto- 1739 detect ZFS providers based on diskN aliases but now requires these 1740 to be explicitly listed in the OFW boot-device environment variable. 1741 174220120712: 1743 The OpenSSL has been upgraded to 1.0.1c. Any binaries requiring 1744 libcrypto.so.6 or libssl.so.6 must be recompiled. Also, there are 1745 configuration changes. Make sure to merge /etc/ssl/openssl.cnf. 1746 174720120712: 1748 The following sysctls and tunables have been renamed for consistency 1749 with other variables: 1750 kern.cam.da.da_send_ordered -> kern.cam.da.send_ordered 1751 kern.cam.ada.ada_send_ordered -> kern.cam.ada.send_ordered 1752 175320120628: 1754 The sort utility has been replaced with BSD sort. For now, GNU sort 1755 is also available as "gnusort" or the default can be set back to 1756 GNU sort by setting WITH_GNU_SORT. In this case, BSD sort will be 1757 installed as "bsdsort". 1758 175920120611: 1760 A new version of ZFS (pool version 5000) has been merged to -HEAD. 1761 Starting with this version the old system of ZFS pool versioning 1762 is superseded by "feature flags". This concept enables forward 1763 compatibility against certain future changes in functionality of ZFS 1764 pools. The first read-only compatible "feature flag" for ZFS pools 1765 is named "com.delphix:async_destroy". For more information 1766 read the new zpool-features(5) manual page. 1767 Please refer to the "ZFS notes" section of this file for information 1768 on upgrading boot ZFS pools. 1769 177020120417: 1771 The malloc(3) implementation embedded in libc now uses sources imported 1772 as contrib/jemalloc. The most disruptive API change is to 1773 /etc/malloc.conf. If your system has an old-style /etc/malloc.conf, 1774 delete it prior to installworld, and optionally re-create it using the 1775 new format after rebooting. See malloc.conf(5) for details 1776 (specifically the TUNING section and the "opt.*" entries in the MALLCTL 1777 NAMESPACE section). 1778 177920120328: 1780 Big-endian MIPS TARGET_ARCH values no longer end in "eb". mips64eb 1781 is now spelled mips64. mipsn32eb is now spelled mipsn32. mipseb is 1782 now spelled mips. This is to aid compatibility with third-party 1783 software that expects this naming scheme in uname(3). Little-endian 1784 settings are unchanged. If you are updating a big-endian mips64 machine 1785 from before this change, you may need to set MACHINE_ARCH=mips64 in 1786 your environment before the new build system will recognize your machine. 1787 178820120306: 1789 Disable by default the option VFS_ALLOW_NONMPSAFE for all supported 1790 platforms. 1791 179220120229: 1793 Now unix domain sockets behave "as expected" on nullfs(5). Previously 1794 nullfs(5) did not pass through all behaviours to the underlying layer, 1795 as a result if we bound to a socket on the lower layer we could connect 1796 only to the lower path; if we bound to the upper layer we could connect 1797 only to the upper path. The new behavior is one can connect to both the 1798 lower and the upper paths regardless what layer path one binds to. 1799 180020120211: 1801 The getifaddrs upgrade path broken with 20111215 has been restored. 1802 If you have upgraded in between 20111215 and 20120209 you need to 1803 recompile libc again with your kernel. You still need to recompile 1804 world to be able to configure CARP but this restriction already 1805 comes from 20111215. 1806 180720120114: 1808 The set_rcvar() function has been removed from /etc/rc.subr. All 1809 base and ports rc.d scripts have been updated, so if you have a 1810 port installed with a script in /usr/local/etc/rc.d you can either 1811 hand-edit the rcvar= line, or reinstall the port. 1812 1813 An easy way to handle the mass-update of /etc/rc.d: 1814 rm /etc/rc.d/* && mergemaster -i 1815 181620120109: 1817 panic(9) now stops other CPUs in the SMP systems, disables interrupts 1818 on the current CPU and prevents other threads from running. 1819 This behavior can be reverted using the kern.stop_scheduler_on_panic 1820 tunable/sysctl. 1821 The new behavior can be incompatible with kern.sync_on_panic. 1822 182320111215: 1824 The carp(4) facility has been changed significantly. Configuration 1825 of the CARP protocol via ifconfig(8) has changed, as well as format 1826 of CARP events submitted to devd(8) has changed. See manual pages 1827 for more information. The arpbalance feature of carp(4) is currently 1828 not supported anymore. 1829 1830 Size of struct in_aliasreq, struct in6_aliasreq has changed. User 1831 utilities using SIOCAIFADDR, SIOCAIFADDR_IN6, e.g. ifconfig(8), 1832 need to be recompiled. 1833 183420111122: 1835 The acpi_wmi(4) status device /dev/wmistat has been renamed to 1836 /dev/wmistat0. 1837 183820111108: 1839 The option VFS_ALLOW_NONMPSAFE option has been added in order to 1840 explicitely support non-MPSAFE filesystems. 1841 It is on by default for all supported platform at this present 1842 time. 1843 184420111101: 1845 The broken amd(4) driver has been replaced with esp(4) in the amd64, 1846 i386 and pc98 GENERIC kernel configuration files. 1847 184820110930: 1849 sysinstall has been removed 1850 185120110923: 1852 The stable/9 branch created in subversion. This corresponds to the 1853 RELENG_9 branch in CVS. 1854 1855COMMON ITEMS: 1856 1857 General Notes 1858 ------------- 1859 Avoid using make -j when upgrading. While generally safe, there are 1860 sometimes problems using -j to upgrade. If your upgrade fails with 1861 -j, please try again without -j. From time to time in the past there 1862 have been problems using -j with buildworld and/or installworld. This 1863 is especially true when upgrading between "distant" versions (eg one 1864 that cross a major release boundary or several minor releases, or when 1865 several months have passed on the -current branch). 1866 1867 Sometimes, obscure build problems are the result of environment 1868 poisoning. This can happen because the make utility reads its 1869 environment when searching for values for global variables. To run 1870 your build attempts in an "environmental clean room", prefix all make 1871 commands with 'env -i '. See the env(1) manual page for more details. 1872 1873 When upgrading from one major version to another it is generally best to 1874 upgrade to the latest code in the currently installed branch first, then 1875 do an upgrade to the new branch. This is the best-tested upgrade path, 1876 and has the highest probability of being successful. Please try this 1877 approach if you encounter problems with a major version upgrade. Since 1878 the stable 4.x branch point, one has generally been able to upgrade from 1879 anywhere in the most recent stable branch to head / current (or even the 1880 last couple of stable branches). See the top of this file when there's 1881 an exception. 1882 1883 When upgrading a live system, having a root shell around before 1884 installing anything can help undo problems. Not having a root shell 1885 around can lead to problems if pam has changed too much from your 1886 starting point to allow continued authentication after the upgrade. 1887 1888 This file should be read as a log of events. When a later event changes 1889 information of a prior event, the prior event should not be deleted. 1890 Instead, a pointer to the entry with the new information should be 1891 placed in the old entry. Readers of this file should also sanity check 1892 older entries before relying on them blindly. Authors of new entries 1893 should write them with this in mind. 1894 1895 ZFS notes 1896 --------- 1897 When upgrading the boot ZFS pool to a new version, always follow 1898 these two steps: 1899 1900 1.) recompile and reinstall the ZFS boot loader and boot block 1901 (this is part of "make buildworld" and "make installworld") 1902 1903 2.) update the ZFS boot block on your boot drive 1904 1905 The following example updates the ZFS boot block on the first 1906 partition (freebsd-boot) of a GPT partitioned drive ada0: 1907 "gpart bootcode -p /boot/gptzfsboot -i 1 ada0" 1908 1909 Non-boot pools do not need these updates. 1910 1911 To build a kernel 1912 ----------------- 1913 If you are updating from a prior version of FreeBSD (even one just 1914 a few days old), you should follow this procedure. It is the most 1915 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 1916 1917 make kernel-toolchain 1918 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 1919 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 1920 1921 To test a kernel once 1922 --------------------- 1923 If you just want to boot a kernel once (because you are not sure 1924 if it works, or if you want to boot a known bad kernel to provide 1925 debugging information) run 1926 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 1927 nextboot -k testkernel 1928 1929 To rebuild everything and install it on the current system. 1930 ----------------------------------------------------------- 1931 # Note: sometimes if you are running current you gotta do more than 1932 # is listed here if you are upgrading from a really old current. 1933 1934 <make sure you have good level 0 dumps> 1935 make buildworld 1936 make buildkernel KERNCONF=YOUR_KERNEL_HERE 1937 make installkernel KERNCONF=YOUR_KERNEL_HERE 1938 [1] 1939 <reboot in single user> [3] 1940 mergemaster -Fp [5] 1941 make installworld 1942 mergemaster -Fi [4] 1943 make delete-old [6] 1944 <reboot> 1945 1946 To cross-install current onto a separate partition 1947 -------------------------------------------------- 1948 # In this approach we use a separate partition to hold 1949 # current's root, 'usr', and 'var' directories. A partition 1950 # holding "/", "/usr" and "/var" should be about 2GB in 1951 # size. 1952 1953 <make sure you have good level 0 dumps> 1954 <boot into -stable> 1955 make buildworld 1956 make buildkernel KERNCONF=YOUR_KERNEL_HERE 1957 <maybe newfs current's root partition> 1958 <mount current's root partition on directory ${CURRENT_ROOT}> 1959 make installworld DESTDIR=${CURRENT_ROOT} -DDB_FROM_SRC 1960 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 1961 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 1962 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 1963 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 1964 <reboot into current> 1965 <do a "native" rebuild/install as described in the previous section> 1966 <maybe install compatibility libraries from ports/misc/compat*> 1967 <reboot> 1968 1969 1970 To upgrade in-place from stable to current 1971 ---------------------------------------------- 1972 <make sure you have good level 0 dumps> 1973 make buildworld [9] 1974 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 1975 [1] 1976 <reboot in single user> [3] 1977 mergemaster -Fp [5] 1978 make installworld 1979 mergemaster -Fi [4] 1980 make delete-old [6] 1981 <reboot> 1982 1983 Make sure that you've read the UPDATING file to understand the 1984 tweaks to various things you need. At this point in the life 1985 cycle of current, things change often and you are on your own 1986 to cope. The defaults can also change, so please read ALL of 1987 the UPDATING entries. 1988 1989 Also, if you are tracking -current, you must be subscribed to 1990 freebsd-current@freebsd.org. Make sure that before you update 1991 your sources that you have read and understood all the recent 1992 messages there. If in doubt, please track -stable which has 1993 much fewer pitfalls. 1994 1995 [1] If you have third party modules, such as vmware, you 1996 should disable them at this point so they don't crash your 1997 system on reboot. 1998 1999 [3] From the bootblocks, boot -s, and then do 2000 fsck -p 2001 mount -u / 2002 mount -a 2003 cd src 2004 adjkerntz -i # if CMOS is wall time 2005 Also, when doing a major release upgrade, it is required that 2006 you boot into single user mode to do the installworld. 2007 2008 [4] Note: This step is non-optional. Failure to do this step 2009 can result in a significant reduction in the functionality of the 2010 system. Attempting to do it by hand is not recommended and those 2011 that pursue this avenue should read this file carefully, as well 2012 as the archives of freebsd-current and freebsd-hackers mailing lists 2013 for potential gotchas. The -U option is also useful to consider. 2014 See mergemaster(8) for more information. 2015 2016 [5] Usually this step is a no-op. However, from time to time 2017 you may need to do this if you get unknown user in the following 2018 step. It never hurts to do it all the time. You may need to 2019 install a new mergemaster (cd src/usr.sbin/mergemaster && make 2020 install) after the buildworld before this step if you last updated 2021 from current before 20130425 or from -stable before 20130430. 2022 2023 [6] This only deletes old files and directories. Old libraries 2024 can be deleted by "make delete-old-libs", but you have to make 2025 sure that no program is using those libraries anymore. 2026 2027 [8] In order to have a kernel that can run the 4.x binaries needed to 2028 do an installworld, you must include the COMPAT_FREEBSD4 option in 2029 your kernel. Failure to do so may leave you with a system that is 2030 hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 is 2031 required to run the 5.x binaries on more recent kernels. And so on 2032 for COMPAT_FREEBSD6 and COMPAT_FREEBSD7. 2033 2034 Make sure that you merge any new devices from GENERIC since the 2035 last time you updated your kernel config file. 2036 2037 [9] If CPUTYPE is defined in your /etc/make.conf, make sure to use the 2038 "?=" instead of the "=" assignment operator, so that buildworld can 2039 override the CPUTYPE if it needs to. 2040 2041 MAKEOBJDIRPREFIX must be defined in an environment variable, and 2042 not on the command line, or in /etc/make.conf. buildworld will 2043 warn if it is improperly defined. 2044FORMAT: 2045 2046This file contains a list, in reverse chronological order, of major 2047breakages in tracking -current. It is not guaranteed to be a complete 2048list of such breakages, and only contains entries since September 23, 2011. 2049If you need to see UPDATING entries from before that date, you will need 2050to fetch an UPDATING file from an older FreeBSD release. 2051 2052Copyright information: 2053 2054Copyright 1998-2009 M. Warner Losh. All Rights Reserved. 2055 2056Redistribution, publication, translation and use, with or without 2057modification, in full or in part, in any form or format of this 2058document are permitted without further permission from the author. 2059 2060THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 2061IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 2062WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 2063DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 2064INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 2065(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2066SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2067HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 2068STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 2069IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2070POSSIBILITY OF SUCH DAMAGE. 2071 2072Contact Warner Losh if you have any questions about your use of 2073this document. 2074 2075$FreeBSD$ 2076