1Updating Information for users of FreeBSD-CURRENT. 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://docs.freebsd.org/en/books/handbook/cutting-edge/#makeworld 10 11Items affecting the ports and packages system can be found in 12/usr/ports/UPDATING. Please read that file before updating system packages 13and/or ports. 14 15NOTE TO PEOPLE WHO THINK THAT FreeBSD 15.x IS SLOW: 16 FreeBSD 15.x has many debugging features turned on, in both the kernel 17 and userland. These features attempt to detect incorrect use of 18 system primitives, and encourage loud failure through extra sanity 19 checking and fail stop semantics. They also substantially impact 20 system performance. If you want to do performance measurement, 21 benchmarking, and optimization, you'll want to turn them off. This 22 includes various WITNESS- related kernel options, INVARIANTS, malloc 23 debugging flags in userland, and various verbose features in the 24 kernel. Many developers choose to disable these features on build 25 machines to maximize performance. (To completely disable malloc 26 debugging, define WITH_MALLOC_PRODUCTION in /etc/src.conf and rebuild 27 world, or to merely disable the most expensive debugging functionality 28 at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".) 29 3020230824: 31 FreeBSD 15.0-CURRENT. 32 3320230817: 34 Serial communication (in boot loaders, kernel, and userland) has 35 been changed to default to 115200 bps, in line with common industry 36 practice and typcial firmware serial console redirection 37 configuration. 38 39 Note that the early x86 BIOS bootloader (i.e., boot0sio) does not 40 support rates above 9600 bps and is not changed. boot0sio users may 41 set BOOT_COMCONSOLE_SPEED=9600 to use 9600 for all of the boot 42 components, or use the standard boot0 and have the boot2 stage start 43 with the serial port at 115200. 44 4520230807: 46 Following the general removal of MIPS support, the ath(4) AHB bus- 47 frontend has been removed, too, and building of the PCI support is 48 integrated with the ath(4) main module again. As a result, there's 49 no longer a need for if_ath_pci_load="YES" in /boot/loader.conf or 50 "device ath_pci" in the kernel configuration. 51 5220230803: 53 MAXCPU has been increased to 1024 in the amd64 GENERIC kernel config. 54 Out-of-tree kernel modules will need to be rebuilt. 55 5620230724: 57 CAM has been mechanically updated s/u_int(64|32|16|8)_t/uint\1_t/g 58 to move to the standard uintXX_t types from the old, traditional 59 BSD u_intXX_t types. This should be a NOP, but may cause problems 60 for out of tree changes. The SIMs were not updated since most of 61 the old u_intXX_t uses weren't due to CAM interfaces. 62 6320230629: 64 The heuristic for detecting old chromebooks with an EC bug that requires 65 atkbdc driver workarounds has changed. There should be no functional 66 change, but if your old chromebook's keyboard stops working, please 67 file a PR and assign it to imp. 68 6920230623: 70 OpenSSL has been updated to version 3.0, including changes throughout 71 the base system. It is important to rebuild third-party software 72 after upgrading. 73 7420230619: 75 To enable pf rdr rules for connections initiated from the host, pf 76 filter rules can be optionally enabled for packets delivered 77 locally. This can change the behavior of rules which match packets 78 delivered to lo0. To enable this feature: 79 80 sysctl net.pf.filter_local=1 81 service pf restart 82 83 When enabled, its best to ensure that packets delivered locally are not 84 filtered, e.g. by adding a 'skip on lo' rule. 85 8620230613: 87 Improvements to libtacplus(8) mean that tacplus.conf(5) now 88 follows POSIX shell syntax rules. This may cause TACACS+ 89 authentication to fail if the shared secret contains a single 90 quote, double quote, or backslash character which isn't 91 already properly quoted or escaped. 92 9320230612: 94 Belatedly switch the default nvme block device on x86 from nvd to nda. 95 nda created nvd compatibility links by default, so this should be a 96 nop. If this causes problems for your application, set hw.nvme.use_nvd=1 97 in your loader.conf or add `options NVME_USE_NVD=1` to your kernel 98 config. To disable the nvd compatibility aliases, add 99 kern.cam.nda.nvd_compat=0 to loader.conf. The default has been nda on 100 all non-x86 platforms for some time now. If you need to fall back, 101 please email imp@freebsd.org about why. 102 103 Encrypted swap partitions need to be changed from nvd to nda if you 104 migrate, or you need to use the above to switch back to nvd. 105 10620230422: 107 Remove portsnap(8). Users are encouraged to obtain the ports tree 108 using git instead. 109 11020230420: 111 Add jobs.mk to save typing. Enables -j${JOB_MAX} and logging 112 eg. 113 make buildworld-jobs 114 runs 115 make -j${JOB_MAX} buildworld > ../buildworld.log 2>&1 116 117 where JOB_MAX is derrived from ncpus in local.sys.mk if not set in env. 118 11920230316: 120 Video related devices for some arm devices have been renamed. 121 If you have a custom kernel config and want to use hdmi output on 122 IMX6 board you need to add "device dwc_hdmi" "device imx6_hdmi" and 123 "device imx6_ipu" to it. 124 If you have a custom kernel config and want to use hdmi output on 125 TI AM335X board you need to add "device tda19988" to it. 126 If you add "device hdmi" in it you need to remove it as it doesn't 127 exist anymore. 128 12920230221: 130 Introduce new kernel options KBD_DELAY1 and KBD_DELAY2. See atkbdc(4) 131 for details. 132 13320230206: 134 sshd now defaults to having X11Forwarding disabled, following upstream. 135 Administrators who wish to enable X11Forwarding should add 136 `X11Forwarding yes` to /etc/ssh/sshd_config. 137 13820230204: 139 Since commit 75d41cb6967 Huawei 3G/4G LTE Mobile Devices do not default 140 to ECM, but NCM mode and need u3g and ucom modules loaded. See cdce(4). 141 14220230130: 143 As of commit 7c40e2d5f685, the dependency on netlink(4) has been added 144 to the linux_common(4) module. Users relying on linux_common may need 145 to complile netlink(4) module if it is not present in their kernel. 146 14720230126: 148 The WITHOUT_CXX option has been removed. C++ components in the base 149 system are now built unconditionally. 150 15120230113: 152 LinuxKPI pci.h changes may require out-of-tree drivers to be recompiled. 153 Bump _FreeBSD_version to 1400078 to be able to detect this change. 154 15520221212: 156 llvm-objump is now always installed as objdump. Previously there was 157 no /usr/bin/objdump unless the WITH_LLVM_BINUTILS knob was used. 158 159 Some LLVM objdump options have a different output format compared to 160 GNU objdump; readelf is available for inspecting ELF files, and GNU 161 objdump is available from the devel/binutils port or package. 162 16320221205: 164 dma(8) has replaced sendmail(8) as the default mta. For people willing 165 to reenable sendmail(8): 166 167 $ cp /usr/share/examples/sendmail/mailer.conf /etc/mail/mailer.conf 168 169 and add sendmail_enable="YES" to rc.conf. 170 17120221204: 172 hw.bus.disable_failed_devices has changed from 'false' to 'true' by 173 default. Now if newbus succeeds in probing a device, but fails to attach 174 the device, we'll disable the device. In the past, we'd keep retrying 175 the device on each new driver loaded. To get that behavior now, one 176 needs to use devctl to re-enable the device, and reprobe it (or set 177 the sysctl/tunable hw.bus.disable_failed_devices=false). 178 179 NOTE: This was reverted 20221205 due to unexpected compatibility issues 180 18120221122: 182 pf no longer accepts 'scrub fragment crop' or 'scrub fragment drop-ovl'. 183 These configurations are no longer automatically reinterpreted as 184 'scrub fragment reassemble'. 185 18620221121: 187 The WITHOUT_CLANG_IS_CC option has been removed. When Clang is enabled 188 it is always installed as /usr/bin/cc (and c++, cpp). 189 19020221026: 191 Some programs have been moved into separate packages. It is recommended 192 for pkgbase users to do: 193 194 pkg install FreeBSD-dhclient FreeBSD-geom FreeBSD-resolvconf \ 195 FreeBSD-devd FreeBSD-devmatch 196 197 after upgrading to restore all the component that were previously 198 installed. 199 20020220610: 201 LinuxKPI pm.h changes require an update to the latest drm-kmod version 202 before re-compiling to avoid errors. 203 20420211230: 205 The macros provided for the manipulation of CPU sets (e.g. CPU_AND) 206 have been modified to take 2 source arguments instead of only 1. 207 Externally maintained sources that use these macros will have to 208 be adapted. The FreeBSD version has been bumped to 1400046 to 209 reflect this change. 210 21120211214: 212 A number of the kernel include files are able to be included by 213 themselves. A test has been added to buildworld to enforce this. 214 21520211209: 216 Remove mips as a recognized target. This starts the decommissioning of 217 mips support in FreeBSD. mips related items will be removed wholesale in 218 the coming days and weeks. 219 220 This broke the NO_CLEAN build for some people. Either do a clean build 221 or touch 222 lib/clang/include/llvm/Config/Targets.def 223 lib/clang/include/llvm/Config/AsmParsers.def 224 lib/clang/include/llvm/Config/Disassemblers.def 225 lib/clang/include/llvm/Config/AsmPrinters.def 226 before the build to force everything to rebuild that needs to. 227 22820211202: 229 Unbound support for RFC8375: The special-use domain 'home.arpa' is 230 by default blocked. To unblock it use a local-zone nodefault 231 statement in unbound.conf: 232 local-zone: "home.arpa." nodefault 233 234 Or use another type of local-zone to override with your choice. 235 236 The reason for this is discussed in Section 6.1 of RFC8375: 237 Because 'home.arpa.' is not globally scoped and cannot be secured 238 using DNSSEC based on the root domain's trust anchor, there is no way 239 to tell, using a standard DNS query, in which homenet scope an answer 240 belongs. Consequently, users may experience surprising results with 241 such names when roaming to different homenets. 242 24320211110: 244 Commit b8d60729deef changed the TCP congestion control framework so 245 that any of the included congestion control modules could be 246 the single module built into the kernel. Previously newreno 247 was automatically built in through direct reference. As of 248 this commit you are required to declare at least one congestion 249 control module (e.g. 'options CC_NEWRENO') and to also declare a 250 default using the CC_DEFAULT option (e.g. options CC_DEFAULT="newreno\"). 251 The GENERIC configuration includes CC_NEWRENO and defines newreno 252 as the default. If no congestion control option is built into the 253 kernel and you are including networking, the kernel compile will 254 fail. Also if no default is declared the kernel compile will fail. 255 25620211118: 257 Mips has been removed from universe builds. It will be removed from the 258 tree shortly. 259 26020211106: 261 Commit f0c9847a6c47 changed the arguments for VOP_ALLOCATE. 262 The NFS modules must be rebuilt from sources and any out 263 of tree file systems that implement their own VOP_ALLOCATE 264 may need to be modified. 265 26620211022: 267 The synchronous PPP kernel driver sppp(4) has been removed. 268 The cp(4) and ce(4) drivers are now always compiled with netgraph(4) 269 support, formerly enabled by NETGRAPH_CRONYX option. 270 27120211020: 272 sh(1) is now the default shell for the root user. To force root to use 273 the csh shell, please run the following command as root: 274 275 # chsh -s csh 276 27720211004: 278 Ncurses distribution has been split between libtinfow and libncurses 279 with libncurses.so becoming a linker (ld) script to seamlessly link 280 to libtinfow as needed. Bump _FreeBSD_version to 1400035 to reflect 281 this change. 282 28320210923: 284 As of commit 8160a0f62be6, the dummynet module no longer depends on the 285 ipfw module. Dummynet can now be used by pf as well as ipfw. As such 286 users who relied on this dependency may need to include ipfw in the 287 list of modules to load on their systems. 288 28920210922: 290 As of commit 903873ce1560, the mixer(8) utility has got a slightly 291 new syntax. Please refer to the mixer(8) manual page for more 292 information. The old mixer utility can be installed from ports: 293 audio/freebsd-13-mixer 294 29520210911: 296 As of commit 55089ef4f8bb, the global variable nfs_maxcopyrange has 297 been deleted from the nfscommon.ko. As such, nfsd.ko must be built 298 from up to date sources to avoid an undefined reference when 299 being loaded. 300 30120210817: 302 As of commit 62ca9fc1ad56 OpenSSL no longer enables kernel TLS 303 by default. Users can enable kernel TLS via the "KTLS" SSL 304 option. This can be enabled globally by using a custom 305 OpenSSL config file via OPENSSL_CONF or via an 306 application-specific configuration option for applications 307 which permit setting SSL options via SSL_CONF_cmd(3). 308 30920210811: 310 Commit 3ad1e1c1ce20 changed the internal KAPI between the NFS 311 modules. Therefore, all need to be rebuilt from sources. 312 31320210730: 314 Commit b69019c14cd8 removes pf's DIOCGETSTATESNV ioctl. 315 As of be70c7a50d32 it is no longer used by userspace, but it does mean 316 users may not be able to enumerate pf states if they update the kernel 317 past b69019c14cd8 without first updating userspace past be70c7a50d32. 318 31920210729: 320 As of commit 01ad0c007964 if_bridge member interfaces can no longer 321 change their MTU. Changing the MTU of the bridge itself will change the 322 MTU on all member interfaces instead. 323 32420210716: 325 Commit ee29e6f31111 changed the internal KAPI between the nfscommon 326 and nfsd modules. Therefore, both need to be rebuilt from sources. 327 Bump __FreeBSD_version to 1400026 for this KAPI change. 328 32920210715: 330 The 20210707 awk update brought in a change in behavior. This has 331 been corrected as of d4d252c49976. Between these dates, if you 332 installed a new awk binary, you may not be able to build a new 333 kernel because the change in behavior affected the genoffset 334 script used to build the kernel. If you did update, the fix is 335 to update your sources past the above hash and do 336 % cd usr.bin/awk 337 % make clean all 338 % sudo -E make install 339 to enable building kernels again. 340 34120210708: 342 Commit 1e0a518d6548 changed the internal KAPI between the NFS 343 modules. They all need to be rebuilt from sources. I did not 344 bump __FreeBSD_version, since it was bumped recently. 345 34620210707: 347 awk has been updated to the latest one-true-awk version 20210215. 348 This contains a number of minor bug fixes. 349 35020210624: 351 The NFSv4 client now uses the highest minor version of NFSv4 352 supported by the NFSv4 server by default instead of minor version 0, 353 for NFSv4 mounts. 354 The "minorversion" mount option may be used to override this default. 355 35620210618: 357 Bump __FreeBSD_version to 1400024 for LinuxKPI changes. 358 Most notably netdev.h can change now as the (last) dependencies 359 (mlx4/ofed) are now using struct ifnet directly, but also for PCI 360 additions and others. 361 36220210618: 363 The directory "blacklisted" under /usr/share/certs/ has been 364 renamed to "untrusted". 365 36620210611: 367 svnlite has been removed from base. Should you need svn for any reason 368 please install the svn package or port. 369 37020210611: 371 Commit e1a907a25cfa changed the internal KAPI between the krpc 372 and nfsserver. As such, both modules must be rebuilt from 373 sources. Bump __FreeBSD_version to 1400022. 374 37520210610: 376 The an(4) driver has been removed from FreeBSD. 377 37820210608: 379 The vendor/openzfs branch was renamed to vendor/openzfs/legacy to 380 start tracking OpenZFS upstream more closely. Please see 381https://lists.freebsd.org/archives/freebsd-current/2021-June/000153.html 382 for details on how to correct any errors that might result. The 383 short version is that you need to remove the old branch locally: 384 git update-ref -d refs/remotes/freebsd/vendor/openzfs 385 (assuming your upstream origin is named 'freebsd'). 386 38720210525: 388 Commits 17accc08ae15 and de102f870501 add new files to LinuxKPI 389 which break drm-kmod. In addition various other additions where 390 committed. Bump __FreeBSD_version to 1400015 to be able to 391 detect this. 392 39320210513: 394 Commit ca179c4d74f2 changed the package in which the OpenSSL 395 libraries and utilities are packaged. 396 It is recommended for pkgbase user to do: 397 pkg install -f FreeBSD-openssl 398 before pkg upgrade otherwise some dependencies might not be met 399 and pkg will stop working as libssl will not be present anymore 400 on the system. 401 40220210426: 403 Commit 875977314881 changed the internal KAPI between 404 the nfsd and nfscommon modules. As such these modules 405 need to be rebuilt from sources. 406 Without this patch in your NFSv4.1/4.2 server, enabling 407 delegations by setting vfs.nfsd.issue_delegations non-zero 408 is not recommended. 409 41020210411: 411 Commit 7763814fc9c2 changed the internal KAPI between 412 the krpc and NFS. As such, the krpc, nfscommon and 413 nfscl modules must all be rebuilt from sources. 414 Without this patch, NFSv4.1/4.2 mounts should not 415 be done with the nfscbd(8) daemon running, to avoid 416 needing a working back channel for server->client RPCs. 417 41820210330: 419 Commit 01ae8969a9ee fixed the NFSv4.1/4.2 server so that it 420 handles binding of the back channel as required by RFC5661. 421 Until this patch is in your server, avoid use of the "nconnects" 422 mount option for Linux NFSv4.1/4.2 mounts. 423 42420210225: 425 For 64-bit architectures the base system is now built with Position 426 Independent Executable (PIE) support enabled by default. It may be 427 disabled using the WITHOUT_PIE knob. A clean build is required. 428 42920210128: 430 Various LinuxKPI functionality was added which conflicts with DRM. 431 Please update your drm-kmod port to after the __FreeBSD_version 1400003 432 update. 433 43420210108: 435 PC Card attachments for all devices have been removed. In the case of 436 wi and cmx, the entire drivers were removed because they were only 437 PC Card devices. FreeBSD_version 1300134 should be used for this 438 since it was bumped so recently. 439 44020210107: 441 Transport-independent parts of HID support have been split off the USB 442 code in to separate subsystem. Kernel configs which include one of 443 ums, ukbd, uhid, atp, wsp, wmt, uaudio, ugold or ucycom drivers should 444 be updated with adding of "device hid" line. 445 44620210105: 447 ncurses installation has been modified to only keep the widechar 448 enabled version. Incremental build is broken for that change, so it 449 requires a clean build. 450 45120201223: 452 The FreeBSD project has migrated from Subversion to Git. Temporary 453 instructions can be found at 454 https://github.com/bsdimp/freebsd-git-docs/blob/main/src-cvt.md 455 and other documents in that repo. 456 45720201216: 458 The services database has been updated to cover more of the basic 459 services expected in a modern system. The database is big enough 460 that it will cause issues in mergemaster in Releases previous to 461 12.2 and 11.3, or in very old current systems from before r358154. 462 46320201215: 464 Obsolete in-tree GDB 6.1.1 has been removed. GDB (including kgdb) 465 may be installed from ports or packages. 466 46720201124: 468 ping6 has been merged into ping. It can now be called as "ping -6". 469 See ping(8) for details. 470 47120201108: 472 Default value of net.add_addr_allfibs has been changed to 0. 473 If you have multi-fib configuration and rely on existence of all 474 interface routes in every fib, you need to set the above sysctl to 1. 475 47620201030: 477 The internal pre-processor in the calendar(1) program has been 478 extended to support more C pre-processor commands (e.g. #ifdef, #else, 479 and #undef) and to detect unbalanced conditional statements. 480 Error messages have been extended to include the filename and line 481 number if processing stops to help fixing malformed data files. 482 48320201026: 484 All the data files for the calendar(1) program, except calendar.freebsd, 485 have been moved to the deskutils/calendar-data port, much like the 486 jewish calendar entries were moved to deskutils/hebcal years ago. After 487 make delete-old-files, you need to install it to retain full 488 functionality. calendar(1) will issue a reminder for files it can't 489 find. 490 49120200923: 492 LINT files are no longer generated. We now include the relevant NOTES 493 files. Note: This may cause conflicts with updating in some cases. 494 find sys -name LINT\* -delete 495 is suggested across this commit to remove the generated LINT files. 496 497 If you have tried to update with generated files there, the svn 498 command you want to un-auger the tree is 499 cd sys/amd64/conf 500 svn revert -R . 501 and then do the above find from the top level. Substitute 'amd64' 502 above with where the error message indicates a conflict. 503 50420200824: 505 OpenZFS support has been integrated. Do not upgrade root pools until 506 the loader is updated to support zstd. Furthermore, we caution against 507 'zpool upgrade' for the next few weeks. The change should be transparent 508 unless you want to use new features. 509 510 Not all "NO_CLEAN" build scenarios work across these changes. Many 511 scenarios have been tested and fixed, but rebuilding kernels without 512 rebuilding world may fail. 513 514 The ZFS cache file has moved from /boot to /etc to match the OpenZFS 515 upstream default. A fallback to /boot has been added for mountroot. 516 517 Pool auto import behavior at boot has been moved from the kernel module 518 to an explicit "zpool import -a" in one of the rc scripts enabled by 519 zfs_enable=YES. This means your non-root zpools won't auto import until 520 you upgrade your /etc/rc.d files. 521 52220200824: 523 The resume code now notifies devd with the 'kernel' system 524 rather than the old 'kern' subsystem to be consistent with 525 other use. The old notification will be created as well, but 526 will be removed prior to FreeBSD 14.0. 527 52820200821: 529 r362275 changed the internal API between the kernel RPC and the 530 NFS modules. As such, all the modules must be recompiled from 531 sources. 532 53320200817: 534 r364330 modified the internal API used between the NFS modules. 535 As such, all the NFS modules must be re-compiled from sources. 536 53720200816: 538 Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have 539 been upgraded to 11.0.0. Please see the 20141231 entry below for 540 information about prerequisites and upgrading, if you are not already 541 using clang 3.5.0 or higher. 542 54320200810: 544 r364092 modified the internal ABI used between the kernel NFS 545 modules. As such, all of these modules need to be rebuilt 546 from sources, so a version bump was done. 547 54820200807: 549 Makefile.inc has been updated to work around the issue documented in 550 20200729. It was a case where the optimization of using symbolic links 551 to point to binaries created a situation where we'd run new binaries 552 with old libraries starting midway through the installworld process. 553 55420200729: 555 r363679 has redefined some undefined behavior in regcomp(3); notably, 556 extraneous escapes of most ordinary characters will no longer be 557 accepted. An exp-run has identified all of the problems with this in 558 ports, but other non-ports software may need extra escapes removed to 559 continue to function. 560 561 Because of this change, installworld may encounter the following error 562 from rtld: Undefined symbol "regcomp@FBSD_1.6" -- It is imperative that 563 you do not halt installworld. Instead, let it run to completion (whether 564 successful or not) and run installworld once more. 565 56620200627: 567 A new implementation of bc and dc has been imported in r362681. This 568 implementation corrects non-conformant behavior of the previous bc 569 and adds GNU bc compatible options. It offers a number of extensions, 570 is much faster on large values, and has support for message catalogs 571 (a number of languages are already supported, contributions of further 572 languages welcome). The option WITHOUT_GH_BC can be used to build the 573 world with the previous versions of bc and dc. 574 57520200625: 576 r362639 changed the internal API used between the NFS kernel modules. 577 As such, they all need to be rebuilt from sources. 578 57920200613: 580 r362158 changed the arguments for VFS_CHECKEXP(). As such, any 581 out of tree file systems need to be modified and rebuilt. 582 Also, any file systems that are modules must be rebuilt. 583 58420200604: 585 read(2) of a directory fd is now rejected by default. root may 586 re-enable it for system root only on non-ZFS filesystems with the 587 security.bsd.allow_read_dir sysctl(8) MIB if 588 security.bsd.suser_enabled=1. 589 590 It may be advised to setup aliases for grep to default to `-d skip` if 591 commonly non-recursively grepping a list that includes directories and 592 the potential for the resulting stderr output is not tolerable. Example 593 aliases are now installed, commented out, in /root/.cshrc and 594 /root/.shrc. 595 59620200523: 597 Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have 598 been upgraded to 10.0.1. Please see the 20141231 entry below for 599 information about prerequisites and upgrading, if you are not already 600 using clang 3.5.0 or higher. 601 60220200512: 603 Support for obsolete compilers has been removed from the build system. 604 Clang 6 and GCC 6.4 are the minimum supported versions. 605 60620200424: 607 closefrom(2) has been moved under COMPAT12, and replaced in libc with a 608 stub that calls close_range(2). If using a custom kernel configuration, 609 you may want to ensure that the COMPAT_FREEBSD12 option is included, as 610 a slightly older -CURRENT userland and older FreeBSD userlands may not 611 be functional without closefrom(2). 612 61320200414: 614 Upstream DTS from Linux 5.6 was merged and they now have the SID 615 and THS (Secure ID controller and THermal Sensor) node present. 616 The DTB overlays have now been removed from the tree for the H3/H5 and 617 A64 SoCs and the aw_sid and aw_thermal driver have been updated to 618 deal with upstream DTS. If you are using those overlays you need to 619 remove them from loader.conf and update the DTBs on the FAT partition. 620 62120200310: 622 Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have 623 been upgraded to 10.0.0. Please see the 20141231 entry below for 624 information about prerequisites and upgrading, if you are not already 625 using clang 3.5.0 or higher. 626 62720200309: 628 The amd(8) automount daemon has been removed from the source tree. 629 As of FreeBSD 10.1 autofs(5) is the preferred tool for automounting. 630 amd is still available in the sysutils/am-utils port. 631 63220200301: 633 Removed brooktree driver (bktr.4) from the tree. 634 63520200229: 636 The WITH_GPL_DTC option has been removed. The BSD-licenced device tree 637 compiler in usr.bin/dtc is used on all architectures which use dtc, and 638 the GPL dtc is available (if needed) from the sysutils/dtc port. 639 64020200229: 641 The WITHOUT_LLVM_LIBUNWIND option has been removed. LLVM's libunwind 642 is used by all supported CPU architectures. 643 64420200229: 645 GCC 4.2.1 has been removed from the tree. The WITH_GCC, 646 WITH_GCC_BOOTSTRAP, and WITH_GNUCXX options are no longer available. 647 Users who wish to build FreeBSD with GCC must use the external toolchain 648 ports or packages. 649 65020200220: 651 ncurses has been updated to a newer version (6.2-20200215). Given the ABI 652 has changed, users will have to rebuild all the ports that are linked to 653 ncurses. 654 65520200217: 656 The size of struct vnet and the magic cookie have changed. 657 Users need to recompile libkvm and all modules using VIMAGE 658 together with their new kernel. 659 66020200212: 661 Defining the long deprecated NO_CTF, NO_DEBUG_FILES, NO_INSTALLLIB, 662 NO_MAN, NO_PROFILE, and NO_WARNS variables is now an error. Update 663 your Makefiles and scripts to define MK_<var>=no instead as required. 664 665 One exception to this is that program or library Makefiles should 666 define MAN to empty rather than setting MK_MAN=no. 667 66820200108: 669 Clang/LLVM is now the default compiler and LLD the default 670 linker for riscv64. 671 67220200107: 673 make universe no longer uses GCC 4.2.1 on any architectures. 674 Architectures not supported by in-tree Clang/LLVM require an 675 external toolchain package. 676 67720200104: 678 GCC 4.2.1 is now not built by default, as part of the GCC 4.2.1 679 retirement plan. Specifically, the GCC, GCC_BOOTSTRAP, and GNUCXX 680 options default to off for all supported CPU architectures. As a 681 short-term transition aid they may be enabled via WITH_* options. 682 GCC 4.2.1 is expected to be removed from the tree on 2020-03-31. 683 68420200102: 685 Support for armv5 has been disconnected and is being removed. The 686 machine combination MACHINE=arm MACHINE_ARCH=arm is no longer valid. 687 You must now use a MACHINE_ARCH of armv6 or armv7. The default 688 MACHINE_ARCH for MACHINE=arm is now armv7. 689 69020191226: 691 Clang/LLVM is now the default compiler for all powerpc architectures. 692 LLD is now the default linker for powerpc64. The change for powerpc64 693 also includes a change to the ELFv2 ABI, incompatible with the existing 694 ABI. 695 69620191226: 697 Kernel-loadable random(4) modules are no longer unloadable. 698 69920191222: 700 Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have 701 been upgraded to 9.0.1. Please see the 20141231 entry below for 702 information about prerequisites and upgrading, if you are not already 703 using clang 3.5.0 or higher. 704 70520191212: 706 r355677 has modified the internal interface used between the 707 NFS modules in the kernel. As such, they must all be upgraded 708 simultaneously. I will do a version bump for this. 709 71020191205: 711 The root certificates of the Mozilla CA Certificate Store have been 712 imported into the base system and can be managed with the certctl(8) 713 utility. If you have installed the security/ca_root_nss port or package 714 with the ETCSYMLINK option (the default), be advised that there may be 715 differences between those included in the port and those included in 716 base due to differences in nss branch used as well as general update 717 frequency. Note also that certctl(8) cannot manage certs in the 718 format used by the security/ca_root_nss port. 719 72020191120: 721 The amd(8) automount daemon has been disabled by default, and will be 722 removed in the future. As of FreeBSD 10.1 the autofs(5) is available 723 for automounting. 724 72520191107: 726 The nctgpio and wbwd drivers have been moved to the superio bus. 727 If you have one of these drivers in a kernel configuration, then 728 you should add device superio to it. If you use one of these drivers 729 as a module and you compile a custom set of modules, then you should 730 add superio to the set. 731 73220191021: 733 KPIs for network drivers to access interface addresses have changed. 734 Users need to recompile NIC driver modules together with kernel. 735 73620191021: 737 The net.link.tap.user_open sysctl no longer prevents user opening of 738 already created /dev/tapNN devices. Access is still controlled by 739 node permissions, just like tun devices. The net.link.tap.user_open 740 sysctl is now used only to allow users to perform devfs cloning of 741 tap devices, and the subsequent open may not succeed if the user is not 742 in the appropriate group. This sysctl may be deprecated/removed 743 completely in the future. 744 74520191009: 746 mips, powerpc, and sparc64 are no longer built as part of 747 universe / tinderbox unless MAKE_OBSOLETE_GCC is defined. If 748 not defined, mips, powerpc, and sparc64 builds will look for 749 the xtoolchain binaries and if installed use them for universe 750 builds. As llvm 9.0 becomes vetted for these architectures, they 751 will be removed from the list. 752 75320191009: 754 Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have 755 been upgraded to 9.0.0. Please see the 20141231 entry below for 756 information about prerequisites and upgrading, if you are not already 757 using clang 3.5.0 or higher. 758 75920191003: 760 The hpt27xx, hptmv, hptnr, and hptrr drivers have been removed from 761 GENERIC. They are available as modules and can be loaded by adding 762 to /boot/loader.conf hpt27xx_load="YES", hptmv_load="YES", 763 hptnr_load="YES", or hptrr_load="YES", respectively. 764 76520190913: 766 ntpd no longer by default locks its pages in memory, allowing them 767 to be paged out by the kernel. Use rlimit memlock to restore 768 historic BSD behaviour. For example, add "rlimit memlock 32" 769 to ntp.conf to lock up to 32 MB of ntpd address space in memory. 770 77120190823: 772 Several of ping6's options have been renamed for better consistency 773 with ping. If you use any of -ARWXaghmrtwx, you must update your 774 scripts. See ping6(8) for details. 775 77620190727: 777 The vfs.fusefs.sync_unmount and vfs.fusefs.init_backgrounded sysctls 778 and the "-o sync_unmount" and "-o init_backgrounded" mount options have 779 been removed from mount_fusefs(8). You can safely remove them from 780 your scripts, because they had no effect. 781 782 The vfs.fusefs.fix_broken_io, vfs.fusefs.sync_resize, 783 vfs.fusefs.refresh_size, vfs.fusefs.mmap_enable, 784 vfs.fusefs.reclaim_revoked, and vfs.fusefs.data_cache_invalidate 785 sysctls have been removed. If you felt the need to set any of them to 786 a non-default value, please tell asomers@FreeBSD.org why. 787 78820190713: 789 Default permissions on the /var/account/acct file (and copies of it 790 rotated by periodic daily scripts) are changed from 0644 to 0640 791 because the file contains sensitive information that should not be 792 world-readable. If the /var/account directory must be created by 793 rc.d/accounting, the mode used is now 0750. Admins who use the 794 accounting feature are encouraged to change the mode of an existing 795 /var/account directory to 0750 or 0700. 796 79720190620: 798 Entropy collection and the /dev/random device are no longer optional 799 components. The "device random" option has been removed. 800 Implementations of distilling algorithms can still be made loadable 801 with "options RANDOM_LOADABLE" (e.g., random_fortuna.ko). 802 80320190612: 804 Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have 805 been upgraded to 8.0.1. Please see the 20141231 entry below for 806 information about prerequisites and upgrading, if you are not already 807 using clang 3.5.0 or higher. 808 80920190608: 810 A fix was applied to i386 kernel modules to avoid panics with 811 dpcpu or vnet. Users need to recompile i386 kernel modules 812 having pcpu or vnet sections or they will refuse to load. 813 81420190513: 815 User-wired pages now have their own counter, 816 vm.stats.vm.v_user_wire_count. The vm.max_wired sysctl was renamed 817 to vm.max_user_wired and changed from an unsigned int to an unsigned 818 long. bhyve VMs wired with the -S are now subject to the user 819 wiring limit; the vm.max_user_wired sysctl may need to be tuned to 820 avoid running into the limit. 821 82220190507: 823 The IPSEC option has been removed from GENERIC. Users requiring 824 ipsec(4) must now load the ipsec(4) kernel module. 825 82620190507: 827 The tap(4) driver has been folded into tun(4), and the module has been 828 renamed to tuntap. You should update any kld_list="if_tap" or 829 kld_list="if_tun" entries in /etc/rc.conf, if_tap_load="YES" or 830 if_tun_load="YES" entries in /boot/loader.conf to load the if_tuntap 831 module instead, and "device tap" or "device tun" entries in kernel 832 config files to select the tuntap device instead. 833 83420190418: 835 The following knobs have been added related to tradeoffs between 836 safe use of the random device and availability in the absence of 837 entropy: 838 839 kern.random.initial_seeding.bypass_before_seeding: tunable; set 840 non-zero to bypass the random device prior to seeding, or zero to 841 block random requests until the random device is initially seeded. 842 For now, set to 1 (unsafe) by default to restore pre-r346250 boot 843 availability properties. 844 845 kern.random.initial_seeding.read_random_bypassed_before_seeding: 846 read-only diagnostic sysctl that is set when bypass is enabled and 847 read_random(9) is bypassed, to enable programmatic handling of this 848 initial condition, if desired. 849 850 kern.random.initial_seeding.arc4random_bypassed_before_seeding: 851 Similar to the above, but for arc4random(9) initial seeding. 852 853 kern.random.initial_seeding.disable_bypass_warnings: tunable; set 854 non-zero to disable warnings in dmesg when the same conditions are 855 met as for the diagnostic sysctls above. Defaults to zero, i.e., 856 produce warnings in dmesg when the conditions are met. 857 85820190416: 859 The loadable random module KPI has changed; the random_infra_init() 860 routine now requires a 3rd function pointer for a bool (*)(void) 861 method that returns true if the random device is seeded (and 862 therefore unblocked). 863 86420190404: 865 r345895 reverts r320698. This implies that an nfsuserd(8) daemon 866 built from head sources between r320757 (July 6, 2017) and 867 r338192 (Aug. 22, 2018) will not work unless the "-use-udpsock" 868 is added to the command line. 869 nfsuserd daemons built from head sources that are post-r338192 are 870 not affected and should continue to work. 871 87220190320: 873 The fuse(4) module has been renamed to fusefs(4) for consistency with 874 other filesystems. You should update any kld_load="fuse" entries in 875 /etc/rc.conf, fuse_load="YES" entries in /boot/loader.conf, and 876 "options FUSE" entries in kernel config files. 877 87820190304: 879 Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to 880 8.0.0. Please see the 20141231 entry below for information about 881 prerequisites and upgrading, if you are not already using clang 3.5.0 882 or higher. 883 88420190226: 885 geom_uzip(4) depends on the new module xz. If geom_uzip is statically 886 compiled into your custom kernel, add 'device xz' statement to the 887 kernel config. 888 88920190219: 890 drm and drm2 have been removed from the tree. Please see 891 https://wiki.freebsd.org/Graphics for the latest information on 892 migrating to the drm ports. 893 89420190131: 895 Iflib is no longer unconditionally compiled into the kernel. Drivers 896 using iflib and statically compiled into the kernel, now require 897 the 'device iflib' config option. For the same drivers loaded as 898 modules on kernels not having 'device iflib', the iflib.ko module 899 is loaded automatically. 900 90120190125: 902 The IEEE80211_AMPDU_AGE and AH_SUPPORT_AR5416 kernel configuration 903 options no longer exist since r343219 and r343427 respectively; 904 nothing uses them, so they should be just removed from custom 905 kernel config files. 906 90720181230: 908 r342635 changes the way efibootmgr(8) works by requiring users to add 909 the -b (bootnum) parameter for commands where the bootnum was previously 910 specified with each option. For example 'efibootmgr -B 0001' is now 911 'efibootmgr -B -b 0001'. 912 91320181220: 914 r342286 modifies the NFSv4 server so that it obeys vfs.nfsd.nfs_privport 915 in the same as it is applied to NFSv2 and 3. This implies that NFSv4 916 servers that have vfs.nfsd.nfs_privport set will only allow mounts 917 from clients using a reserved port. Since both the FreeBSD and Linux 918 NFSv4 clients use reserved ports by default, this should not affect 919 most NFSv4 mounts. 920 92120181219: 922 The XLP config has been removed. We can't support 64-bit atomics in this 923 kernel because it is running in 32-bit mode. XLP users must transition 924 to running a 64-bit kernel (XLP64 or XLPN32). 925 926 The mips GXEMUL support has been removed from FreeBSD. MALTA* + qemu is 927 the preferred emulator today and we don't need two different ones. 928 929 The old sibyte / swarm / Broadcom BCM1250 support has been 930 removed from the mips port. 931 93220181211: 933 Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to 934 7.0.1. Please see the 20141231 entry below for information about 935 prerequisites and upgrading, if you are not already using clang 3.5.0 936 or higher. 937 93820181211: 939 Remove the timed and netdate programs from the base tree. Setting 940 the time with these daemons has been obsolete for over a decade. 941 94220181126: 943 On amd64, arm64 and armv7 (architectures that install LLVM's ld.lld 944 linker as /usr/bin/ld) GNU ld is no longer installed as ld.bfd, as 945 it produces broken binaries when ifuncs are in use. Users needing 946 GNU ld should install the binutils port or package. 947 94820181123: 949 The BSD crtbegin and crtend code has been enabled by default. It has 950 had extensive testing on amd64, arm64, and i386. It can be disabled 951 by building a world with -DWITHOUT_BSD_CRTBEGIN. 952 95320181115: 954 The set of CTM commands (ctm, ctm_smail, ctm_rmail, ctm_dequeue) 955 has been converted to a port (misc/ctm) and will be removed from 956 FreeBSD-13. It is available as a package (ctm) for all supported 957 FreeBSD versions. 958 95920181110: 960 The default newsyslog.conf(5) file has been changed to only include 961 files in /etc/newsyslog.conf.d/ and /usr/local/etc/newsyslog.conf.d/ if 962 the filenames end in '.conf' and do not begin with a '.'. 963 964 You should check the configuration files in these two directories match 965 this naming convention. You can verify which configuration files are 966 being included using the command: 967 $ newsyslog -Nrv 968 96920181015: 970 Ports for the DRM modules have been simplified. Now, amd64 users should 971 just install the drm-kmod port. All others should install 972 drm-legacy-kmod. 973 974 Graphics hardware that's newer than about 2010 usually works with 975 drm-kmod. For hardware older than 2013, however, some users will need 976 to use drm-legacy-kmod if drm-kmod doesn't work for them. Hardware older 977 than 2008 usually only works in drm-legacy-kmod. The graphics team can 978 only commit to hardware made since 2013 due to the complexity of the 979 market and difficulty to test all the older cards effectively. If you 980 have hardware supported by drm-kmod, you are strongly encouraged to use 981 that as you will get better support. 982 983 Other than KPI chasing, drm-legacy-kmod will not be updated. As outlined 984 elsewhere, the drm and drm2 modules will be eliminated from the src base 985 soon (with a limited exception for arm). Please update to the package 986 asap and report any issues to x11@freebsd.org. 987 988 Generally, anybody using the drm*-kmod packages should add 989 WITHOUT_DRM_MODULE=t and WITHOUT_DRM2_MODULE=t to avoid nasty 990 cross-threading surprises, especially with automatic driver 991 loading from X11 startup. These will become the defaults in 13-current 992 shortly. 993 99420181012: 995 The ixlv(4) driver has been renamed to iavf(4). As a consequence, 996 custom kernel and module loading configuration files must be updated 997 accordingly. Moreover, interfaces previous presented as ixlvN to the 998 system are now exposed as iavfN and network configuration files must 999 be adjusted as necessary. 1000 100120181009: 1002 OpenSSL has been updated to version 1.1.1. This update included 1003 additional various API changes throughout the base system. It is 1004 important to rebuild third-party software after upgrading. The value 1005 of __FreeBSD_version has been bumped accordingly. 1006 100720181006: 1008 The legacy DRM modules and drivers have now been added to the loader's 1009 module blacklist, in favor of loading them with kld_list in rc.conf(5). 1010 The module blacklist may be overridden with the loader.conf(5) 1011 'module_blacklist' variable, but loading them via rc.conf(5) is strongly 1012 encouraged. 1013 101420181002: 1015 The cam(4) based nda(4) driver will be used over nvd(4) by default on 1016 powerpc64. You may set 'options NVME_USE_NVD=1' in your kernel conf or 1017 loader tunable 'hw.nvme.use_nvd=1' if you wish to use the existing 1018 driver. Make sure to edit /boot/etc/kboot.conf and fstab to use the 1019 nda device name. 1020 102120180913: 1022 Reproducible build mode is now on by default, in preparation for 1023 FreeBSD 12.0. This eliminates build metadata such as the user, 1024 host, and time from the kernel (and uname), unless the working tree 1025 corresponds to a modified checkout from a version control system. 1026 The previous behavior can be obtained by setting the /etc/src.conf 1027 knob WITHOUT_REPRODUCIBLE_BUILD. 1028 102920180826: 1030 The Yarrow CSPRNG has been removed from the kernel as it has not been 1031 supported by its designers since at least 2003. Fortuna has been the 1032 default since FreeBSD-11. 1033 103420180822: 1035 devctl freeze/thaw have gone into the tree, the rc scripts have been 1036 updated to use them and devmatch has been changed. You should update 1037 kernel, userland and rc scripts all at the same time. 1038 103920180818: 1040 The default interpreter has been switched from 4th to Lua. 1041 LOADER_DEFAULT_INTERP, documented in build(7), will override the default 1042 interpreter. If you have custom FORTH code you will need to set 1043 LOADER_DEFAULT_INTERP=4th (valid values are 4th, lua or simp) in 1044 src.conf for the build. This will create default hard links between 1045 loader and loader_4th instead of loader and loader_lua, the new default. 1046 If you are using UEFI it will create the proper hard link to loader.efi. 1047 1048 bhyve uses userboot.so. It remains 4th-only until some issues are solved 1049 regarding coexisting with multiple versions of FreeBSD are resolved. 1050 105120180815: 1052 ls(1) now respects the COLORTERM environment variable used in other 1053 systems and software to indicate that a colored terminal is both 1054 supported and desired. If ls(1) is suddenly emitting colors, they may 1055 be disabled again by either removing the unwanted COLORTERM from your 1056 environment, or using `ls --color=never`. The ls(1) specific CLICOLOR 1057 may not be observed in a future release. 1058 105920180808: 1060 The default pager for most commands has been changed to "less". To 1061 restore the old behavior, set PAGER="more" and MANPAGER="more -s" in 1062 your environment. 1063 106420180731: 1065 The jedec_ts(4) driver has been removed. A superset of its functionality 1066 is available in the jedec_dimm(4) driver, and the manpage for that 1067 driver includes migration instructions. If you have "device jedec_ts" 1068 in your kernel configuration file, it must be removed. 1069 107020180730: 1071 amd64/GENERIC now has EFI runtime services, EFIRT, enabled by default. 1072 This should have no effect if the kernel is booted via BIOS/legacy boot. 1073 EFIRT may be disabled via a loader tunable, efi.rt.disabled, if a system 1074 has a buggy firmware that prevents a successful boot due to use of 1075 runtime services. 1076 107720180727: 1078 Atmel AT91RM9200 and AT91SAM9, Cavium CNS 11xx and XScale 1079 support has been removed from the tree. These ports were 1080 obsolete and/or known to be broken for many years. 1081 108220180723: 1083 loader.efi has been augmented to participate more fully in the 1084 UEFI boot manager protocol. loader.efi will now look at the 1085 BootXXXX environment variable to determine if a specific kernel 1086 or root partition was specified. XXXX is derived from BootCurrent. 1087 efibootmgr(8) manages these standard UEFI variables. 1088 108920180720: 1090 zfsloader's functionality has now been folded into loader. 1091 zfsloader is no longer necessary once you've updated your 1092 boot blocks. For a transition period, we will install a 1093 hardlink for zfsloader to loader to allow a smooth transition 1094 until the boot blocks can be updated (hard link because old 1095 zfs boot blocks don't understand symlinks). 1096 109720180719: 1098 ARM64 now have efifb support, if you want to have serial console 1099 on your arm64 board when an screen is connected and the bootloader 1100 setup a frame buffer for us to use, just add : 1101 boot_serial=YES 1102 boot_multicons=YES 1103 in /boot/loader.conf 1104 For Raspberry Pi 3 (RPI) users, this is needed even if you don't have 1105 an screen connected as the firmware will setup a frame buffer are that 1106 u-boot will expose as an EFI frame buffer. 1107 110820180719: 1109 New uid:gid added, ntpd:ntpd (123:123). Be sure to run mergemaster 1110 or take steps to update /etc/passwd before doing installworld on 1111 existing systems. Do not skip the "mergemaster -Fp" step before 1112 installworld, as described in the update procedures near the bottom 1113 of this document. Also, rc.d/ntpd now starts ntpd(8) as user ntpd 1114 if the new mac_ntpd(4) policy is available, unless ntpd_flags or 1115 the ntp config file contain options that change file/dir locations. 1116 When such options (e.g., "statsdir" or "crypto") are used, ntpd can 1117 still be run as non-root by setting ntpd_user=ntpd in rc.conf, after 1118 taking steps to ensure that all required files/dirs are accessible 1119 by the ntpd user. 1120 112120180717: 1122 Big endian arm support has been removed. 1123 112420180711: 1125 The static environment setup in kernel configs is no longer mutually 1126 exclusive with the loader(8) environment by default. In order to 1127 restore the previous default behavior of disabling the loader(8) 1128 environment if a static environment is present, you must specify 1129 loader_env.disabled=1 in the static environment. 1130 113120180705: 1132 The ABI of syscalls used by management tools like sockstat and 1133 netstat has been broken to allow 32-bit binaries to work on 1134 64-bit kernels without modification. These programs will need 1135 to match the kernel in order to function. External programs may 1136 require minor modifications to accommodate a change of type in 1137 structures from pointers to 64-bit virtual addresses. 1138 113920180702: 1140 On i386 and amd64 atomics are now inlined. Out of tree modules using 1141 atomics will need to be rebuilt. 1142 114320180701: 1144 The '%I' format in the kern.corefile sysctl limits the number of 1145 core files that a process can generate to the number stored in the 1146 debug.ncores sysctl. The '%I' format is replaced by the single digit 1147 index. Previously, if all indexes were taken the kernel would overwrite 1148 only a core file with the highest index in a filename. 1149 Currently the system will create a new core file if there is a free 1150 index or if all slots are taken it will overwrite the oldest one. 1151 115220180630: 1153 Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to 1154 6.0.1. Please see the 20141231 entry below for information about 1155 prerequisites and upgrading, if you are not already using clang 3.5.0 1156 or higher. 1157 115820180628: 1159 r335753 introduced a new quoting method. However, etc/devd/devmatch.conf 1160 needed to be changed to work with it. This change was made with r335763 1161 and requires a mergemaster / etcupdate / etc to update the installed 1162 file. 1163 116420180612: 1165 r334930 changed the interface between the NFS modules, so they all 1166 need to be rebuilt. r335018 did a __FreeBSD_version bump for this. 1167 116820180530: 1169 As of r334391 lld is the default amd64 system linker; it is installed 1170 as /usr/bin/ld. Kernel build workarounds (see 20180510 entry) are no 1171 longer necessary. 1172 117320180530: 1174 The kernel / userland interface for devinfo changed, so you'll 1175 need a new kernel and userland as a pair for it to work (rebuilding 1176 lib/libdevinfo is all that's required). devinfo and devmatch will 1177 not work, but everything else will when there's a mismatch. 1178 117920180523: 1180 The on-disk format for hwpmc callchain records has changed to include 1181 threadid corresponding to a given record. This changes the field offsets 1182 and thus requires that libpmcstat be rebuilt before using a kernel 1183 later than r334108. 1184 118520180517: 1186 The vxge(4) driver has been removed. This driver was introduced into 1187 HEAD one week before the Exar left the Ethernet market and is not 1188 known to be used. If you have device vxge in your kernel config file 1189 it must be removed. 1190 119120180510: 1192 The amd64 kernel now requires a ld that supports ifunc to produce a 1193 working kernel, either lld or a newer binutils. lld is built by default 1194 on amd64, and the 'buildkernel' target uses it automatically. However, 1195 it is not the default linker, so building the kernel the traditional 1196 way requires LD=ld.lld on the command line (or LD=/usr/local/bin/ld for 1197 binutils port/package). lld will soon be default, and this requirement 1198 will go away. 1199 1200 NOTE: As of r334391 lld is the default system linker on amd64, and no 1201 workaround is necessary. 1202 120320180508: 1204 The nxge(4) driver has been removed. This driver was for PCI-X 10g 1205 cards made by s2io/Neterion. The company was acquired by Exar and 1206 no longer sells or supports Ethernet products. If you have device 1207 nxge in your kernel config file it must be removed. 1208 120920180504: 1210 The tz database (tzdb) has been updated to 2018e. This version more 1211 correctly models time stamps in time zones with negative DST such as 1212 Europe/Dublin (from 1971 on), Europe/Prague (1946/7), and 1213 Africa/Windhoek (1994/2017). This does not affect the UT offsets, only 1214 time zone abbreviations and the tm_isdst flag. 1215 121620180502: 1217 The ixgb(4) driver has been removed. This driver was for an early and 1218 uncommon legacy PCI 10GbE for a single ASIC, Intel 82597EX. Intel 1219 quickly shifted to the long lived ixgbe family. If you have device 1220 ixgb in your kernel config file it must be removed. 1221 122220180501: 1223 The lmc(4) driver has been removed. This was a WAN interface 1224 card that was already reportedly rare in 2003, and had an ambiguous 1225 license. If you have device lmc in your kernel config file it must 1226 be removed. 1227 122820180413: 1229 Support for Arcnet networks has been removed. If you have device 1230 arcnet or device cm in your kernel config file they must be 1231 removed. 1232 123320180411: 1234 Support for FDDI networks has been removed. If you have device 1235 fddi or device fpa in your kernel config file they must be 1236 removed. 1237 123820180406: 1239 In addition to supporting RFC 3164 formatted messages, the 1240 syslogd(8) service is now capable of parsing RFC 5424 formatted 1241 log messages. The main benefit of using RFC 5424 is that clients 1242 may now send log messages with timestamps containing year numbers, 1243 microseconds and time zone offsets. 1244 1245 Similarly, the syslog(3) C library function has been altered to 1246 send RFC 5424 formatted messages to the local system logging 1247 daemon. On systems using syslogd(8), this change should have no 1248 negative impact, as long as syslogd(8) and the C library are 1249 updated at the same time. On systems using a different system 1250 logging daemon, it may be necessary to make configuration 1251 adjustments, depending on the software used. 1252 1253 When using syslog-ng, add the 'syslog-protocol' flag to local 1254 input sources to enable parsing of RFC 5424 formatted messages: 1255 1256 source src { 1257 unix-dgram("/var/run/log" flags(syslog-protocol)); 1258 } 1259 1260 When using rsyslog, disable the 'SysSock.UseSpecialParser' option 1261 of the 'imuxsock' module to let messages be processed by the 1262 regular RFC 3164/5424 parsing pipeline: 1263 1264 module(load="imuxsock" SysSock.UseSpecialParser="off") 1265 1266 Do note that these changes only affect communication between local 1267 applications and syslogd(8). The format that syslogd(8) uses to 1268 store messages on disk or forward messages to other systems 1269 remains unchanged. syslogd(8) still uses RFC 3164 for these 1270 purposes. Options to customize this behaviour will be added in the 1271 future. Utilities that process log files stored in /var/log are 1272 thus expected to continue to function as before. 1273 1274 __FreeBSD_version has been incremented to 1200061 to denote this 1275 change. 1276 127720180328: 1278 Support for token ring networks has been removed. If you 1279 have "device token" in your kernel config you should remove 1280 it. No device drivers supported token ring. 1281 128220180323: 1283 makefs was modified to be able to tag ISO9660 El Torito boot catalog 1284 entries as EFI instead of overloading the i386 tag as done previously. 1285 The amd64 mkisoimages.sh script used to build amd64 ISO images for 1286 release was updated to use this. This may mean that makefs must be 1287 updated before "make cdrom" can be run in the release directory. This 1288 should be as simple as: 1289 1290 $ cd $SRCDIR/usr.sbin/makefs 1291 $ make depend all install 1292 129320180212: 1294 FreeBSD boot loader enhanced with Lua scripting. It's purely opt-in for 1295 now by building WITH_LOADER_LUA and WITHOUT_FORTH in /etc/src.conf. 1296 Co-existence for the transition period will come shortly. Booting is a 1297 complex environment and test coverage for Lua-enabled loaders has been 1298 thin, so it would be prudent to assume it might not work and make 1299 provisions for backup boot methods. 1300 130120180211: 1302 devmatch functionality has been turned on in devd. It will automatically 1303 load drivers for unattached devices. This may cause unexpected drivers 1304 to be loaded. Please report any problems to current@ and 1305 imp@freebsd.org. 1306 130720180114: 1308 Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to 1309 6.0.0. Please see the 20141231 entry below for information about 1310 prerequisites and upgrading, if you are not already using clang 3.5.0 1311 or higher. 1312 131320180110: 1314 LLVM's lld linker is now used as the FreeBSD/amd64 bootstrap linker. 1315 This means it is used to link the kernel and userland libraries and 1316 executables, but is not yet installed as /usr/bin/ld by default. 1317 1318 To revert to ld.bfd as the bootstrap linker, in /etc/src.conf set 1319 WITHOUT_LLD_BOOTSTRAP=yes 1320 132120180110: 1322 On i386, pmtimer has been removed. Its functionality has been folded 1323 into apm. It was a no-op on ACPI in current for a while now (but was 1324 still needed on i386 in FreeBSD 11 and earlier). Users may need to 1325 remove it from kernel config files. 1326 132720180104: 1328 The use of RSS hash from the network card aka flowid has been 1329 disabled by default for lagg(4) as it's currently incompatible with 1330 the lacp and loadbalance protocols. 1331 1332 This can be re-enabled by setting the following in loader.conf: 1333 net.link.lagg.default_use_flowid="1" 1334 133520180102: 1336 The SW_WATCHDOG option is no longer necessary to enable the 1337 hardclock-based software watchdog if no hardware watchdog is 1338 configured. As before, SW_WATCHDOG will cause the software 1339 watchdog to be enabled even if a hardware watchdog is configured. 1340 134120171215: 1342 r326887 fixes the issue described in the 20171214 UPDATING entry. 1343 r326888 flips the switch back to building GELI support always. 1344 134520171214: 1346 r362593 broke ZFS + GELI support for reasons unknown. However, 1347 it also broke ZFS support generally, so GELI has been turned off 1348 by default as the lesser evil in r326857. If you boot off ZFS and/or 1349 GELI, it might not be a good time to update. 1350 135120171125: 1352 PowerPC users must update loader(8) by rebuilding world before 1353 installing a new kernel, as the protocol connecting them has 1354 changed. Without the update, loader metadata will not be passed 1355 successfully to the kernel and users will have to enter their 1356 root partition at the kernel mountroot prompt to continue booting. 1357 Newer versions of loader can boot old kernels without issue. 1358 135920171110: 1360 The LOADER_FIREWIRE_SUPPORT build variable has been renamed to 1361 WITH/OUT_LOADER_FIREWIRE. LOADER_{NO_,}GELI_SUPPORT has been renamed 1362 to WITH/OUT_LOADER_GELI. 1363 136420171106: 1365 The naive and non-compliant support of posix_fallocate(2) in ZFS 1366 has been removed as of r325320. The system call now returns EINVAL 1367 when used on a ZFS file. Although the new behavior complies with the 1368 standard, some consumers are not prepared to cope with it. 1369 One known victim is lld prior to r325420. 1370 137120171102: 1372 Building in a FreeBSD src checkout will automatically create object 1373 directories now rather than store files in the current directory if 1374 'make obj' was not ran. Calling 'make obj' is no longer necessary. 1375 This feature can be disabled by setting WITHOUT_AUTO_OBJ=yes in 1376 /etc/src-env.conf (not /etc/src.conf), or passing the option in the 1377 environment. 1378 137920171101: 1380 The default MAKEOBJDIR has changed from /usr/obj/<srcdir> for native 1381 builds, and /usr/obj/<arch>/<srcdir> for cross-builds, to a unified 1382 /usr/obj/<srcdir>/<arch>. This behavior can be changed to the old 1383 format by setting WITHOUT_UNIFIED_OBJDIR=yes in /etc/src-env.conf, 1384 the environment, or with -DWITHOUT_UNIFIED_OBJDIR when building. 1385 The UNIFIED_OBJDIR option is a transitional feature that will be 1386 removed for 12.0 release; please migrate to the new format for any 1387 tools by looking up the OBJDIR used by 'make -V .OBJDIR' means rather 1388 than hardcoding paths. 1389 139020171028: 1391 The native-xtools target no longer installs the files by default to the 1392 OBJDIR. Use the native-xtools-install target with a DESTDIR to install 1393 to ${DESTDIR}/${NXTP} where NXTP defaults to /nxb-bin. 1394 139520171021: 1396 As part of the boot loader infrastructure cleanup, LOADER_*_SUPPORT 1397 options are changing from controlling the build if defined / undefined 1398 to controlling the build with explicit 'yes' or 'no' values. They will 1399 shift to WITH/WITHOUT options to match other options in the system. 1400 140120171010: 1402 libstand has turned into a private library for sys/boot use only. 1403 It is no longer supported as a public interface outside of sys/boot. 1404 140520171005: 1406 The arm port has split armv6 into armv6 and armv7. armv7 is now 1407 a valid TARGET_ARCH/MACHINE_ARCH setting. If you have an armv7 system 1408 and are running a kernel from before r324363, you will need to add 1409 MACHINE_ARCH=armv7 to 'make buildworld' to do a native build. 1410 141120171003: 1412 When building multiple kernels using KERNCONF, non-existent KERNCONF 1413 files will produce an error and buildkernel will fail. Previously 1414 missing KERNCONF files silently failed giving no indication as to 1415 why, only to subsequently discover during installkernel that the 1416 desired kernel was never built in the first place. 1417 141820170912: 1419 The default serial number format for CTL LUNs has changed. This will 1420 affect users who use /dev/diskid/* device nodes, or whose FibreChannel 1421 or iSCSI clients care about their LUNs' serial numbers. Users who 1422 require serial number stability should hardcode serial numbers in 1423 /etc/ctl.conf . 1424 142520170912: 1426 For 32-bit arm compiled for hard-float support, soft-floating point 1427 binaries now always get their shared libraries from 1428 LD_SOFT_LIBRARY_PATH (in the past, this was only used if 1429 /usr/libsoft also existed). Only users with a hard-float ld.so, but 1430 soft-float everything else should be affected. 1431 143220170826: 1433 The geli password typed at boot is now hidden. To restore the previous 1434 behavior, see geli(8) for configuration options. 1435 143620170825: 1437 Move PMTUD blackhole counters to TCPSTATS and remove them from bare 1438 sysctl values. Minor nit, but requires a rebuild of both world/kernel 1439 to complete. 1440 144120170814: 1442 "make check" behavior (made in ^/head@r295380) has been changed to 1443 execute from a limited sandbox, as opposed to executing from 1444 ${TESTSDIR}. 1445 1446 Behavioral changes: 1447 - The "beforecheck" and "aftercheck" targets are now specified. 1448 - ${CHECKDIR} (added in commit noted above) has been removed. 1449 - Legacy behavior can be enabled by setting 1450 WITHOUT_MAKE_CHECK_USE_SANDBOX in src.conf(5) or the environment. 1451 1452 If the limited sandbox mode is enabled, "make check" will execute 1453 "make distribution", then install, execute the tests, and clean up the 1454 sandbox if successful. 1455 1456 The "make distribution" and "make install" targets are typically run as 1457 root to set appropriate permissions and ownership at installation time. 1458 The end-user should set "WITH_INSTALL_AS_USER" in src.conf(5) or the 1459 environment if executing "make check" with limited sandbox mode using 1460 an unprivileged user. 1461 146220170808: 1463 Since the switch to GPT disk labels, fsck for UFS/FFS has been 1464 unable to automatically find alternate superblocks. As of r322297, 1465 the information needed to find alternate superblocks has been 1466 moved to the end of the area reserved for the boot block. 1467 Filesystems created with a newfs of this vintage or later 1468 will create the recovery information. If you have a filesystem 1469 created prior to this change and wish to have a recovery block 1470 created for your filesystem, you can do so by running fsck in 1471 foreground mode (i.e., do not use the -p or -y options). As it 1472 starts, fsck will ask ``SAVE DATA TO FIND ALTERNATE SUPERBLOCKS'' 1473 to which you should answer yes. 1474 147520170728: 1476 As of r321665, an NFSv4 server configuration that services 1477 Kerberos mounts or clients that do not support the uid/gid in 1478 owner/owner_group string capability, must explicitly enable 1479 the nfsuserd daemon by adding nfsuserd_enable="YES" to the 1480 machine's /etc/rc.conf file. 1481 148220170722: 1483 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 5.0.0. 1484 Please see the 20141231 entry below for information about prerequisites 1485 and upgrading, if you are not already using clang 3.5.0 or higher. 1486 148720170701: 1488 WITHOUT_RCMDS is now the default. Set WITH_RCMDS if you need the 1489 r-commands (rlogin, rsh, etc.) to be built with the base system. 1490 149120170625: 1492 The FreeBSD/powerpc platform now uses a 64-bit type for time_t. This is 1493 a very major ABI incompatible change, so users of FreeBSD/powerpc must 1494 be careful when performing source upgrades. It is best to run 1495 'make installworld' from an alternate root system, either a live 1496 CD/memory stick, or a temporary root partition. Additionally, all ports 1497 must be recompiled. powerpc64 is largely unaffected, except in the case 1498 of 32-bit compatibility. All 32-bit binaries will be affected. 1499 150020170623: 1501 Forward compatibility for the "ino64" project have been committed. This 1502 will allow most new binaries to run on older kernels in a limited 1503 fashion. This prevents many of the common foot-shooting actions in the 1504 upgrade as well as the limited ability to roll back the kernel across 1505 the ino64 upgrade. Complicated use cases may not work properly, though 1506 enough simpler ones work to allow recovery in most situations. 1507 150820170620: 1509 Switch back to the BSDL dtc (Device Tree Compiler). Set WITH_GPL_DTC 1510 if you require the GPL compiler. 1511 151220170618: 1513 The internal ABI used for communication between the NFS kernel modules 1514 was changed by r320085, so __FreeBSD_version was bumped to 1515 ensure all the NFS related modules are updated together. 1516 151720170617: 1518 The ABI of struct event was changed by extending the data 1519 member to 64bit and adding ext fields. For upgrade, same 1520 precautions as for the entry 20170523 "ino64" must be 1521 followed. 1522 152320170531: 1524 The GNU roff toolchain has been removed from base. To render manpages 1525 which are not supported by mandoc(1), man(1) can fallback on GNU roff 1526 from ports (and recommends to install it). 1527 To render roff(7) documents, consider using GNU roff from ports or the 1528 heirloom doctools roff toolchain from ports via pkg install groff or 1529 via pkg install heirloom-doctools. 1530 153120170524: 1532 The ath(4) and ath_hal(4) modules now build piecemeal to allow for 1533 smaller runtime footprint builds. This is useful for embedded systems 1534 which only require one chipset support. 1535 1536 If you load it as a module, make sure this is in /boot/loader.conf: 1537 1538 if_ath_load="YES" 1539 1540 This will load the HAL, all chip/RF backends and if_ath_pci. 1541 If you have if_ath_pci in /boot/loader.conf, ensure it is after 1542 if_ath or it will not load any HAL chipset support. 1543 1544 If you want to selectively load things (eg on cheaper ARM/MIPS 1545 platforms where RAM is at a premium) you should: 1546 1547 * load ath_hal 1548 * load the chip modules in question 1549 * load ath_rate, ath_dfs 1550 * load ath_main 1551 * load if_ath_pci and/or if_ath_ahb depending upon your particular 1552 bus bind type - this is where probe/attach is done. 1553 1554 For further comments/feedback, poke adrian@ . 1555 155620170523: 1557 The "ino64" 64-bit inode project has been committed, which extends 1558 a number of types to 64 bits. Upgrading in place requires care and 1559 adherence to the documented upgrade procedure. 1560 1561 If using a custom kernel configuration ensure that the 1562 COMPAT_FREEBSD11 option is included (as during the upgrade the 1563 system will be running the ino64 kernel with the existing world). 1564 1565 For the safest in-place upgrade begin by removing previous build 1566 artifacts via "rm -rf /usr/obj/*". Then, carefully follow the full 1567 procedure documented below under the heading "To rebuild everything and 1568 install it on the current system." Specifically, a reboot is required 1569 after installing the new kernel before installing world. While an 1570 installworld normally works by accident from multiuser after rebooting 1571 the proper kernel, there are many cases where this will fail across this 1572 upgrade and installworld from single user is required. 1573 157420170424: 1575 The NATM framework including the en(4), fatm(4), hatm(4), and 1576 patm(4) devices has been removed. Consumers should plan a 1577 migration before the end-of-life date for FreeBSD 11. 1578 157920170420: 1580 GNU diff has been replaced by a BSD licensed diff. Some features of GNU 1581 diff has not been implemented, if those are needed a newer version of 1582 GNU diff is available via the diffutils package under the gdiff name. 1583 158420170413: 1585 As of r316810 for ipfilter, keep frags is no longer assumed when 1586 keep state is specified in a rule. r316810 aligns ipfilter with 1587 documentation in man pages separating keep frags from keep state. 1588 This allows keep state to be specified without forcing keep frags 1589 and allows keep frags to be specified independently of keep state. 1590 To maintain previous behaviour, also specify keep frags with 1591 keep state (as documented in ipf.conf.5). 1592 159320170407: 1594 arm64 builds now use the base system LLD 4.0.0 linker by default, 1595 instead of requiring that the aarch64-binutils port or package be 1596 installed. To continue using aarch64-binutils, set 1597 CROSS_BINUTILS_PREFIX=/usr/local/aarch64-freebsd/bin . 1598 159920170405: 1600 The UDP optimization in entry 20160818 that added the sysctl 1601 net.inet.udp.require_l2_bcast has been reverted. L2 broadcast 1602 packets will no longer be treated as L3 broadcast packets. 1603 160420170331: 1605 Binds and sends to the loopback addresses, IPv6 and IPv4, will now 1606 use any explicitly assigned loopback address available in the jail 1607 instead of using the first assigned address of the jail. 1608 160920170329: 1610 The ctl.ko module no longer implements the iSCSI target frontend: 1611 cfiscsi.ko does instead. 1612 1613 If building cfiscsi.ko as a kernel module, the module can be loaded 1614 via one of the following methods: 1615 - `cfiscsi_load="YES"` in loader.conf(5). 1616 - Add `cfiscsi` to `$kld_list` in rc.conf(5). 1617 - ctladm(8)/ctld(8), when compiled with iSCSI support 1618 (`WITH_ISCSI=yes` in src.conf(5)) 1619 1620 Please see cfiscsi(4) for more details. 1621 162220170316: 1623 The mmcsd.ko module now additionally depends on geom_flashmap.ko. 1624 Also, mmc.ko and mmcsd.ko need to be a matching pair built from the 1625 same source (previously, the dependency of mmcsd.ko on mmc.ko was 1626 missing, but mmcsd.ko now will refuse to load if it is incompatible 1627 with mmc.ko). 1628 162920170315: 1630 The syntax of ipfw(8) named states was changed to avoid ambiguity. 1631 If you have used named states in the firewall rules, you need to modify 1632 them after installworld and before rebooting. Now named states must 1633 be prefixed with colon. 1634 163520170311: 1636 The old drm (sys/dev/drm/) drivers for i915 and radeon have been 1637 removed as the userland we provide cannot use them. The KMS version 1638 (sys/dev/drm2) supports the same hardware. 1639 164020170302: 1641 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 4.0.0. 1642 Please see the 20141231 entry below for information about prerequisites 1643 and upgrading, if you are not already using clang 3.5.0 or higher. 1644 164520170221: 1646 The code that provides support for ZFS .zfs/ directory functionality 1647 has been reimplemented. It's not possible now to create a snapshot 1648 by mkdir under .zfs/snapshot/. That should be the only user visible 1649 change. 1650 165120170216: 1652 EISA bus support has been removed. The WITH_EISA option is no longer 1653 valid. 1654 165520170215: 1656 MCA bus support has been removed. 1657 165820170127: 1659 The WITH_LLD_AS_LD / WITHOUT_LLD_AS_LD build knobs have been renamed 1660 WITH_LLD_IS_LD / WITHOUT_LLD_IS_LD, for consistency with CLANG_IS_CC. 1661 166220170112: 1663 The EM_MULTIQUEUE kernel configuration option is deprecated now that 1664 the em(4) driver conforms to iflib specifications. 1665 166620170109: 1667 The igb(4), em(4) and lem(4) ethernet drivers are now implemented via 1668 IFLIB. If you have a custom kernel configuration that excludes em(4) 1669 but you use igb(4), you need to re-add em(4) to your custom 1670 configuration. 1671 167220161217: 1673 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.9.1. 1674 Please see the 20141231 entry below for information about prerequisites 1675 and upgrading, if you are not already using clang 3.5.0 or higher. 1676 167720161124: 1678 Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 3.9.0. 1679 Please see the 20141231 entry below for information about prerequisites 1680 and upgrading, if you are not already using clang 3.5.0 or higher. 1681 168220161119: 1683 The layout of the pmap structure has changed for powerpc to put the pmap 1684 statistics at the front for all CPU variations. libkvm(3) and all tools 1685 that link against it need to be recompiled. 1686 168720161030: 1688 isl(4) and cyapa(4) drivers now require a new driver, 1689 chromebook_platform(4), to work properly on Chromebook-class hardware. 1690 On other types of hardware the drivers may need to be configured using 1691 device hints. Please see the corresponding manual pages for details. 1692 169320161017: 1694 The urtwn(4) driver was merged into rtwn(4) and now consists of 1695 rtwn(4) main module + rtwn_usb(4) and rtwn_pci(4) bus-specific 1696 parts. 1697 Also, firmware for RTL8188CE was renamed due to possible name 1698 conflict (rtwnrtl8192cU(B) -> rtwnrtl8192cE(B)) 1699 170020161015: 1701 GNU rcs has been removed from base. It is available as packages: 1702 - rcs: Latest GPLv3 GNU rcs version. 1703 - rcs57: Copy of the latest version of GNU rcs (GPLv2) before it was 1704 removed from base. 1705 170620161008: 1707 Use of the cc_cdg, cc_chd, cc_hd, or cc_vegas congestion control 1708 modules now requires that the kernel configuration contain the 1709 TCP_HHOOK option. (This option is included in the GENERIC kernel.) 1710 171120161003: 1712 The WITHOUT_ELFCOPY_AS_OBJCOPY src.conf(5) knob has been retired. 1713 ELF Tool Chain's elfcopy is always installed as /usr/bin/objcopy. 1714 171520160924: 1716 Relocatable object files with the extension of .So have been renamed 1717 to use an extension of .pico instead. The purpose of this change is 1718 to avoid a name clash with shared libraries on case-insensitive file 1719 systems. On those file systems, foo.So is the same file as foo.so. 1720 172120160918: 1722 GNU rcs has been turned off by default. It can (temporarily) be built 1723 again by adding WITH_RCS knob in src.conf. 1724 Otherwise, GNU rcs is available from packages: 1725 - rcs: Latest GPLv3 GNU rcs version. 1726 - rcs57: Copy of the latest version of GNU rcs (GPLv2) from base. 1727 172820160918: 1729 The backup_uses_rcs functionality has been removed from rc.subr. 1730 173120160908: 1732 The queue(3) debugging macro, QUEUE_MACRO_DEBUG, has been split into 1733 two separate components, QUEUE_MACRO_DEBUG_TRACE and 1734 QUEUE_MACRO_DEBUG_TRASH. Define both for the original 1735 QUEUE_MACRO_DEBUG behavior. 1736 173720160824: 1738 r304787 changed some ioctl interfaces between the iSCSI userspace 1739 programs and the kernel. ctladm, ctld, iscsictl, and iscsid must be 1740 rebuilt to work with new kernels. __FreeBSD_version has been bumped 1741 to 1200005. 1742 174320160818: 1744 The UDP receive code has been updated to only treat incoming UDP 1745 packets that were addressed to an L2 broadcast address as L3 1746 broadcast packets. It is not expected that this will affect any 1747 standards-conforming UDP application. The new behaviour can be 1748 disabled by setting the sysctl net.inet.udp.require_l2_bcast to 1749 0. 1750 175120160818: 1752 Remove the openbsd_poll system call. 1753 __FreeBSD_version has been bumped because of this. 1754 175520160708: 1756 The stable/11 branch has been created from head@r302406. 1757 1758After branch N is created, entries older than the N-2 branch point are removed 1759from this file. After stable/14 is branched and current becomes FreeBSD 15, 1760entries older than stable/12 branch point will be removed from current's 1761UPDATING file. 1762 1763COMMON ITEMS: 1764 1765 General Notes 1766 ------------- 1767 Sometimes, obscure build problems are the result of environment 1768 poisoning. This can happen because the make utility reads its 1769 environment when searching for values for global variables. To run 1770 your build attempts in an "environmental clean room", prefix all make 1771 commands with 'env -i '. See the env(1) manual page for more details. 1772 Occasionally a build failure will occur with "make -j" due to a race 1773 condition. If this happens try building again without -j, and please 1774 report a bug if it happens consistently. 1775 1776 When upgrading from one major version to another it is generally best to 1777 upgrade to the latest code in the currently installed branch first, then 1778 do an upgrade to the new branch. This is the best-tested upgrade path, 1779 and has the highest probability of being successful. Please try this 1780 approach if you encounter problems with a major version upgrade. Since 1781 the stable 4.x branch point, one has generally been able to upgrade from 1782 anywhere in the most recent stable branch to head / current (or even the 1783 last couple of stable branches). See the top of this file when there's 1784 an exception. 1785 1786 The update process will emit an error on an attempt to perform a build 1787 or install from a FreeBSD version below the earliest supported version. 1788 When updating from an older version the update should be performed one 1789 major release at a time, including running `make delete-old` at each 1790 step. 1791 1792 When upgrading a live system, having a root shell around before 1793 installing anything can help undo problems. Not having a root shell 1794 around can lead to problems if pam has changed too much from your 1795 starting point to allow continued authentication after the upgrade. 1796 1797 This file should be read as a log of events. When a later event changes 1798 information of a prior event, the prior event should not be deleted. 1799 Instead, a pointer to the entry with the new information should be 1800 placed in the old entry. Readers of this file should also sanity check 1801 older entries before relying on them blindly. Authors of new entries 1802 should write them with this in mind. 1803 1804 ZFS notes 1805 --------- 1806 When upgrading the boot ZFS pool to a new version (via zpool upgrade), 1807 always follow these three steps: 1808 1809 1) recompile and reinstall the ZFS boot loader and boot block 1810 (this is part of "make buildworld" and "make installworld") 1811 1812 2) update the ZFS boot block on your boot drive (only required when 1813 doing a zpool upgrade): 1814 1815 When booting on x86 via BIOS, use the following to update the ZFS boot 1816 block on the freebsd-boot partition of a GPT partitioned drive ada0: 1817 gpart bootcode -p /boot/gptzfsboot -i $N ada0 1818 The value $N will typically be 1. For EFI booting, see EFI notes. 1819 1820 3) zpool upgrade the root pool. New bootblocks will work with old 1821 pools, but not vice versa, so they need to be updated before any 1822 zpool upgrade. 1823 1824 Non-boot pools do not need these updates. 1825 1826 EFI notes 1827 --------- 1828 1829 There are two locations the boot loader can be installed into. The 1830 current location (and the default) is \efi\freebsd\loader.efi and using 1831 efibootmgr(8) to configure it. The old location, that must be used on 1832 deficient systems that don't honor efibootmgr(8) protocols, is the 1833 fallback location of \EFI\BOOT\BOOTxxx.EFI. Generally, you will copy 1834 /boot/loader.efi to this location, but on systems installed a long time 1835 ago the ESP may be too small and /boot/boot1.efi may be needed unless 1836 the ESP has been expanded in the meantime. 1837 1838 Recent systems will have the ESP mounted on /boot/efi, but older ones 1839 may not have it mounted at all, or mounted in a different 1840 location. Older arm SD images with MBR used /boot/msdos as the 1841 mountpoint. The ESP is a MSDOS filesystem. 1842 1843 The EFI boot loader rarely needs to be updated. For ZFS booting, 1844 however, you must update loader.efi before you do 'zpool upgrade' the 1845 root zpool, otherwise the old loader.efi may reject the upgraded zpool 1846 since it does not automatically understand some new features. 1847 1848 See loader.efi(8) and uefi(8) for more details. 1849 1850 To build a kernel 1851 ----------------- 1852 If you are updating from a prior version of FreeBSD (even one just 1853 a few days old), you should follow this procedure. It is the most 1854 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 1855 1856 make kernel-toolchain 1857 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 1858 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 1859 1860 To test a kernel once 1861 --------------------- 1862 If you just want to boot a kernel once (because you are not sure 1863 if it works, or if you want to boot a known bad kernel to provide 1864 debugging information) run 1865 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 1866 nextboot -k testkernel 1867 1868 To rebuild everything and install it on the current system. 1869 ----------------------------------------------------------- 1870 # Note: sometimes if you are running current you gotta do more than 1871 # is listed here if you are upgrading from a really old current. 1872 1873 <make sure you have good level 0 dumps> 1874 make buildworld 1875 make buildkernel KERNCONF=YOUR_KERNEL_HERE 1876 make installkernel KERNCONF=YOUR_KERNEL_HERE 1877 [1] 1878 <reboot in single user> [3] 1879 etcupdate -p [5] 1880 make installworld 1881 etcupdate -B [4] 1882 make delete-old [6] 1883 <reboot> 1884 1885 To cross-install current onto a separate partition 1886 -------------------------------------------------- 1887 # In this approach we use a separate partition to hold 1888 # current's root, 'usr', and 'var' directories. A partition 1889 # holding "/", "/usr" and "/var" should be about 2GB in 1890 # size. 1891 1892 <make sure you have good level 0 dumps> 1893 <boot into -stable> 1894 make buildworld 1895 make buildkernel KERNCONF=YOUR_KERNEL_HERE 1896 <maybe newfs current's root partition> 1897 <mount current's root partition on directory ${CURRENT_ROOT}> 1898 make installworld DESTDIR=${CURRENT_ROOT} -DDB_FROM_SRC 1899 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 1900 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 1901 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 1902 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 1903 <reboot into current> 1904 <do a "native" rebuild/install as described in the previous section> 1905 <maybe install compatibility libraries from ports/misc/compat*> 1906 <reboot> 1907 1908 1909 To upgrade in-place from stable to current 1910 ---------------------------------------------- 1911 <make sure you have good level 0 dumps> 1912 make buildworld [9] 1913 make buildkernel KERNCONF=YOUR_KERNEL_HERE [8] 1914 make installkernel KERNCONF=YOUR_KERNEL_HERE 1915 [1] 1916 <reboot in single user> [3] 1917 etcupdate -p [5] 1918 make installworld 1919 etcupdate -B [4] 1920 make delete-old [6] 1921 <reboot> 1922 1923 Make sure that you've read the UPDATING file to understand the 1924 tweaks to various things you need. At this point in the life 1925 cycle of current, things change often and you are on your own 1926 to cope. The defaults can also change, so please read ALL of 1927 the UPDATING entries. 1928 1929 Also, if you are tracking -current, you must be subscribed to 1930 freebsd-current@freebsd.org. Make sure that before you update 1931 your sources that you have read and understood all the recent 1932 messages there. If in doubt, please track -stable which has 1933 much fewer pitfalls. 1934 1935 [1] If you have third party modules, such as vmware, you should disable 1936 them at this point so they don't crash your system on 1937 reboot. Alternatively, you should rebuild all the modules you have in 1938 your system and install them as well. If you are running -current, you 1939 should seriously consider placing all sources to all the modules for 1940 your system (or symlinks to them) in /usr/local/sys/modules so this 1941 happens automatically. If all your modules come from ports, then adding 1942 the port origin directories to PORTS_MODULES instead is also automatic 1943 and effective, eg: 1944 PORTS_MODULES+=x11/nvidia-driver 1945 1946 [3] From the bootblocks, boot -s, and then do 1947 fsck -p 1948 mount -u / 1949 mount -a 1950 sh /etc/rc.d/zfs start # mount zfs filesystem, if needed 1951 cd src # full path to source 1952 adjkerntz -i # if CMOS is wall time 1953 Also, when doing a major release upgrade, it is required that you boot 1954 into single user mode to do the installworld. 1955 1956 [4] Note: This step is non-optional. Failure to do this step 1957 can result in a significant reduction in the functionality of the 1958 system. Attempting to do it by hand is not recommended and those 1959 that pursue this avenue should read this file carefully, as well 1960 as the archives of freebsd-current and freebsd-hackers mailing lists 1961 for potential gotchas. See etcupdate(8) for more information. 1962 1963 [5] Usually this step is a no-op. However, from time to time 1964 you may need to do this if you get unknown user in the following 1965 step. 1966 1967 [6] This only deletes old files and directories. Old libraries 1968 can be deleted by "make delete-old-libs", but you have to make 1969 sure that no program is using those libraries anymore. 1970 1971 [8] The new kernel must be able to run existing binaries used by an 1972 installworld. When upgrading across major versions, the new kernel's 1973 configuration must include the correct COMPAT_FREEBSD<n> option for 1974 existing binaries (e.g. COMPAT_FREEBSD11 to run 11.x binaries). Failure 1975 to do so may leave you with a system that is hard to boot to recover. A 1976 GENERIC kernel will include suitable compatibility options to run 1977 binaries from older branches. Note that the ability to run binaries 1978 from unsupported branches is not guaranteed. 1979 1980 Make sure that you merge any new devices from GENERIC since the 1981 last time you updated your kernel config file. Options also 1982 change over time, so you may need to adjust your custom kernels 1983 for these as well. 1984 1985 [9] If CPUTYPE is defined in your /etc/make.conf, make sure to use the 1986 "?=" instead of the "=" assignment operator, so that buildworld can 1987 override the CPUTYPE if it needs to. 1988 1989 MAKEOBJDIRPREFIX must be defined in an environment variable, and 1990 not on the command line, or in /etc/make.conf. buildworld will 1991 warn if it is improperly defined. 1992FORMAT: 1993 1994This file contains a list, in reverse chronological order, of major 1995breakages in tracking -current. It is not guaranteed to be a complete 1996list of such breakages, and only contains entries since September 23, 2011. 1997If you need to see UPDATING entries from before that date, you will need 1998to fetch an UPDATING file from an older FreeBSD release. 1999 2000Copyright information: 2001 2002Copyright 1998-2009 M. Warner Losh <imp@FreeBSD.org> 2003 2004Redistribution, publication, translation and use, with or without 2005modification, in full or in part, in any form or format of this 2006document are permitted without further permission from the author. 2007 2008THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 2009IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 2010WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 2011DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 2012INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 2013(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2014SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2015HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 2016STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 2017IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2018POSSIBILITY OF SUCH DAMAGE. 2019 2020Contact Warner Losh if you have any questions about your use of 2021this document. 2022