UPDATING revision 189772
1Updating Information for FreeBSD current users 2 3This file is maintained and copyrighted by M. Warner Losh 4<imp@village.org>. See end of file for further details. For commonly 5done items, please see the COMMON ITEMS: section later in the file. 6 7Items affecting the ports and packages system can be found in 8/usr/ports/UPDATING. Please read that file before running 9portupgrade. 10 11NOTE TO PEOPLE WHO THINK THAT FreeBSD 8.x IS SLOW: 12 FreeBSD 8.x has many debugging features turned on, in 13 both the kernel and userland. These features attempt to detect 14 incorrect use of system primitives, and encourage loud failure 15 through extra sanity checking and fail stop semantics. They 16 also substantially impact system performance. If you want to 17 do performance measurement, benchmarking, and optimization, 18 you'll want to turn them off. This includes various WITNESS- 19 related kernel options, INVARIANTS, malloc debugging flags 20 in userland, and various verbose features in the kernel. Many 21 developers choose to disable these features on build machines 22 to maximize performance. (To disable malloc debugging, run 23 ln -s aj /etc/malloc.conf.) 24 2520090313: 26 POSIX.1 Native Language Support (NLS) has been enabled in libc and 27 a bunch of new language catalog files have also been added. 28 This means that some common libc messages are now localized and 29 they depend on the LC_MESSAGES environmental variable. 30 3120090313: 32 The k8temp(4) driver has been renamed to amdtemp(4) since 33 support for K10 and K11 CPU families was added. 34 3520090309: 36 IGMPv3 and Source-Specific Multicast (SSM) have been merged 37 to the IPv4 stack. VIMAGE hooks are in but not yet used. 38 39 For kernel developers, the most important changes are that the 40 ip_output() and ip_input() paths no longer take the IN_MULTI_LOCK(), 41 and this lock has been downgraded to a non-recursive mutex. 42 43 Transport protocols (UDP, Raw IP) are now responsible for filtering 44 inbound multicast traffic according to group membership and source 45 filters. The imo_multicast_filter() KPI exists for this purpose. 46 Transports which do not use multicast (SCTP, TCP) already reject 47 multicast by default. Forwarding and receive performance may improve 48 as a mutex acquisition is no longer needed in the ip_input() 49 low-level input path. in_addmulti() and in_delmulti() are shimmed 50 to new KPIs which exist to support SSM in-kernel. 51 52 For application developers, it is recommended that loopback of 53 multicast datagrams be disabled for best performance, as this 54 will still cause the lock to be taken for each looped-back 55 datagram transmission. The net.inet.ip.mcast.loop sysctl may 56 be tuned to 0 to disable loopback by default; it defaults to 1 57 to preserve the existing behaviour. 58 59 For systems administrators, to obtain best performance with 60 multicast reception and multiple groups, it is always recommended 61 that a card with a suitably precise hash filter is used. Hash 62 collisions will still result in the lock being taken within the 63 transport protocol input path to check group membership. 64 65 If deploying FreeBSD in an environment with IGMP snooping switches, 66 it is recommended that the net.inet.igmp.sendlocal sysctl remain 67 enabled; this forces 224.0.0.0/24 group membership to be announced 68 via IGMP. 69 70 The size of 'struct igmpstat' has changed; netstat needs to be 71 recompiled to reflect this. 72 Bump __FreeBSD_version to 800070. 73 7420090309: 75 libusb20.so.1 is now installed as libusb.so.1 and the ports system 76 updated to use it. This requires a buildworld/installworld in order to 77 update the library and dependencies (usbconfig, etc). Its advisable to 78 rebuild all ports which uses libusb. More specific directions are given 79 in the ports collection UPDATING file. Any /etc/libmap.conf entries for 80 libusb are no longer required and can be removed. 81 8220090302: 83 A workaround is committed to allow the creation of System V shared 84 memory segment of size > 2 GB on the 64-bit architectures. 85 Due to a limitation of the existing ABI, the shm_segsz member 86 of the struct shmid_ds, returned by shmctl(IPC_STAT) call is 87 wrong for large segments. Note that limits must be explicitely 88 raised to allow such segments to be created. 89 9020090301: 91 The layout of struct ifnet has changed, requiring a rebuild of all 92 network device driver modules. 93 9420090227: 95 The /dev handling for the new USB stack has changed, a 96 buildworld/installworld is required for libusb20. 97 9820090223: 99 The new USB2 stack has now been permanently moved in and all kernel and 100 module names reverted to their previous values (eg, usb, ehci, ohci, 101 ums, ...). The old usb stack can be compiled in by prefixing the name 102 with the letter 'o', the old usb modules have been removed. 103 Updating entry 20090216 for xorg and 20090215 for libmap may still 104 apply. 105 10620090217: 107 The rc.conf(5) option if_up_delay has been renamed to 108 defaultroute_delay to better reflect its purpose. If you have 109 customized this setting in /etc/rc.conf you need to update it to 110 use the new name. 111 11220090216: 113 xorg 7.4 wants to configure its input devices via hald which does not 114 yet work with USB2. If the keyboard/mouse does not work in xorg then 115 add 116 Option "AllowEmptyInput" "off" 117 to your ServerLayout section. This will cause X to use the configured 118 kbd and mouse sections from your xorg.conf. 119 12020090215: 121 The GENERIC kernels for all architectures now default to the new USB2 122 stack. No kernel config options or code have been removed so if a 123 problem arises please report it and optionally revert to the old USB 124 stack. If you are loading USB kernel modules or have a custom kernel 125 that includes GENERIC then ensure that usb names are also changed over, 126 eg uftdi -> usb2_serial_ftdi. 127 128 Older programs linked against the ports libusb 0.1 need to be 129 redirected to the new stack's libusb20. /etc/libmap.conf can 130 be used for this: 131 # Map old usb library to new one for usb2 stack 132 libusb-0.1.so.8 libusb20.so.1 133 13420090203: 135 The ichsmb(4) driver has been changed to require SMBus slave 136 addresses be left-justified (xxxxxxx0b) rather than right-justified. 137 All of the other SMBus controller drivers require left-justified 138 slave addresses, so this change makes all the drivers provide the 139 same interface. 140 14120090201: 142 INET6 statistics (struct ip6stat) was updated. 143 netstat(1) needs to be recompiled. 144 14520090119: 146 NTFS has been removed from GENERIC kernel on amd64 to match 147 GENERIC on i386. Should not cause any issues since mount_ntfs(8) 148 will load ntfs.ko module automatically when NTFS support is 149 actually needed, unless ntfs.ko is not installed or security 150 level prohibits loading kernel modules. If either is the case, 151 "options NTFS" has to be added into kernel config. 152 15320090115: 154 TCP Appropriate Byte Counting (RFC 3465) support added to kernel. 155 New field in struct tcpcb breaks ABI, so bump __FreeBSD_version to 156 800061. User space tools that rely on the size of struct tcpcb in 157 tcp_var.h (e.g. sockstat) need to be recompiled. 158 15920081225: 160 ng_tty(4) module updated to match the new TTY subsystem. 161 Due to API change, user-level applications must be updated. 162 New API support added to mpd5 CVS and expected to be present 163 in next mpd5.3 release. 164 16520081219: 166 With __FreeBSD_version 800060 the makefs tool is part of 167 the base system (it was a port). 168 16920081216: 170 The afdata and ifnet locks have been changed from mutexes to 171 rwlocks, network modules will need to be re-compiled. 172 17320081214: 174 __FreeBSD_version 800059 incorporates the new arp-v2 rewrite. 175 RTF_CLONING, RTF_LLINFO and RTF_WASCLONED flags are eliminated. 176 The new code reduced struct rtentry{} by 16 bytes on 32-bit 177 architecture and 40 bytes on 64-bit architecture. The userland 178 applications "arp" and "ndp" have been updated accordingly. 179 The output from "netstat -r" shows only routing entries and 180 none of the L2 information. 181 18220081130: 183 __FreeBSD_version 800057 marks the switchover from the 184 binary ath hal to source code. Users must add the line: 185 186 options AH_SUPPORT_AR5416 187 188 to their kernel config files when specifying: 189 190 device ath_hal 191 192 The ath_hal module no longer exists; the code is now compiled 193 together with the driver in the ath module. It is now 194 possible to tailor chip support (i.e. reduce the set of chips 195 and thereby the code size); consult ath_hal(4) for details. 196 19720081121: 198 __FreeBSD_version 800054 adds memory barriers to 199 <machine/atomic.h>, new interfaces to ifnet to facilitate 200 multiple hardware transmit queues for cards that support 201 them, and a lock-less ring-buffer implementation to 202 enable drivers to more efficiently manage queueing of 203 packets. 204 20520081117: 206 A new version of ZFS (version 13) has been merged to -HEAD. 207 This version has zpool attribute "listsnapshots" off by 208 default, which means "zfs list" does not show snapshots, 209 and is the same as Solaris behavior. 210 21120081028: 212 dummynet(4) ABI has changed. ipfw(8) needs to be recompiled. 213 21420081009: 215 The uhci, ohci, ehci and slhci USB Host controller drivers have 216 been put into separate modules. If you load the usb module 217 separately through loader.conf you will need to load the 218 appropriate *hci module as well. E.g. for a UHCI-based USB 2.0 219 controller add the following to loader.conf: 220 221 uhci_load="YES" 222 ehci_load="YES" 223 22420081009: 225 The ABI used by the PMC toolset has changed. Please keep 226 userland (libpmc(3)) and the kernel module (hwpmc(4)) in 227 sync. 228 22920080820: 230 The TTY subsystem of the kernel has been replaced by a new 231 implementation, which provides better scalability and an 232 improved driver model. Most common drivers have been migrated to 233 the new TTY subsystem, while others have not. The following 234 drivers have not yet been ported to the new TTY layer: 235 236 PCI/ISA: 237 cy, digi, rc, rp, sio 238 239 USB: 240 ubser, ucycom 241 242 Line disciplines: 243 ng_h4, ng_tty, ppp, sl, snp 244 245 Adding these drivers to your kernel configuration file shall 246 cause compilation to fail. 247 24820080818: 249 ntpd has been upgraded to 4.2.4p5. 250 25120080801: 252 OpenSSH has been upgraded to 5.1p1. 253 254 For many years, FreeBSD's version of OpenSSH preferred DSA 255 over RSA for host and user authentication keys. With this 256 upgrade, we've switched to the vendor's default of RSA over 257 DSA. This may cause upgraded clients to warn about unknown 258 host keys even for previously known hosts. Users should 259 follow the usual procedure for verifying host keys before 260 accepting the RSA key. 261 262 This can be circumvented by setting the "HostKeyAlgorithms" 263 option to "ssh-dss,ssh-rsa" in ~/.ssh/config or on the ssh 264 command line. 265 266 Please note that the sequence of keys offered for 267 authentication has been changed as well. You may want to 268 specify IdentityFile in a different order to revert this 269 behavior. 270 27120080713: 272 The sio(4) driver has been removed from the i386 and amd64 273 kernel configuration files. This means uart(4) is now the 274 default serial port driver on those platforms as well. 275 276 To prevent collisions with the sio(4) driver, the uart(4) driver 277 uses different names for its device nodes. This means the 278 onboard serial port will now most likely be called "ttyu0" 279 instead of "ttyd0". You may need to reconfigure applications to 280 use the new device names. 281 282 When using the serial port as a boot console, be sure to update 283 /boot/device.hints and /etc/ttys before booting the new kernel. 284 If you forget to do so, you can still manually specify the hints 285 at the loader prompt: 286 287 set hint.uart.0.at="isa" 288 set hint.uart.0.port="0x3F8" 289 set hint.uart.0.flags="0x10" 290 set hint.uart.0.irq="4" 291 boot -s 292 29320080609: 294 The gpt(8) utility has been removed. Use gpart(8) to partition 295 disks instead. 296 29720080603: 298 The version that Linuxulator emulates was changed from 2.4.2 299 to 2.6.16. If you experience any problems with Linux binaries 300 please try to set sysctl compat.linux.osrelease to 2.4.2 and 301 if it fixes the problem contact emulation mailing list. 302 30320080525: 304 ISDN4BSD (I4B) was removed from the src tree. You may need to 305 update a your kernel configuration and remove relevant entries. 306 30720080509: 308 I have checked in code to support multiple routing tables. 309 See the man pages setfib(1) and setfib(2). 310 This is a hopefully backwards compatible version, 311 but to make use of it you need to compile your kernel 312 with options ROUTETABLES=2 (or more up to 16). 313 31420080420: 315 The 802.11 wireless support was redone to enable multi-bss 316 operation on devices that are capable. The underlying device 317 is no longer used directly but instead wlanX devices are 318 cloned with ifconfig. This requires changes to rc.conf files. 319 For example, change: 320 ifconfig_ath0="WPA DHCP" 321 to 322 wlans_ath0=wlan0 323 ifconfig_wlan0="WPA DHCP" 324 see rc.conf(5) for more details. In addition, mergemaster of 325 /etc/rc.d is highly recommended. Simultaneous update of userland 326 and kernel wouldn't hurt either. 327 328 As part of the multi-bss changes the wlan_scan_ap and wlan_scan_sta 329 modules were merged into the base wlan module. All references 330 to these modules (e.g. in kernel config files) must be removed. 331 33220080408: 333 psm(4) has gained write(2) support in native operation level. 334 Arbitrary commands can be written to /dev/psm%d and status can 335 be read back from it. Therefore, an application is responsible 336 for status validation and error recovery. It is a no-op in 337 other operation levels. 338 33920080312: 340 Support for KSE threading has been removed from the kernel. To 341 run legacy applications linked against KSE libmap.conf may 342 be used. The following libmap.conf may be used to ensure 343 compatibility with any prior release: 344 345 libpthread.so.1 libthr.so.1 346 libpthread.so.2 libthr.so.2 347 libkse.so.3 libthr.so.3 348 34920080301: 350 The layout of struct vmspace has changed. This affects libkvm 351 and any executables that link against libkvm and use the 352 kvm_getprocs() function. In particular, but not exclusively, 353 it affects ps(1), fstat(1), pkill(1), systat(1), top(1) and w(1). 354 The effects are minimal, but it's advisable to upgrade world 355 nonetheless. 356 35720080229: 358 The latest em driver no longer has support in it for the 359 82575 adapter, this is now moved to the igb driver. The 360 split was done to make new features that are incompatible 361 with older hardware easier to do. 362 36320080220: 364 The new geom_lvm(4) geom class has been renamed to geom_linux_lvm(4), 365 likewise the kernel option is now GEOM_LINUX_LVM. 366 36720080211: 368 The default NFS mount mode has changed from UDP to TCP for 369 increased reliability. If you rely on (insecurely) NFS 370 mounting across a firewall you may need to update your 371 firewall rules. 372 37320080208: 374 Belatedly note the addition of m_collapse for compacting 375 mbuf chains. 376 37720080126: 378 The fts(3) structures have been changed to use adequate 379 integer types for their members and so to be able to cope 380 with huge file trees. The old fts(3) ABI is preserved 381 through symbol versioning in libc, so third-party binaries 382 using fts(3) should still work, although they will not take 383 advantage of the extended types. At the same time, some 384 third-party software might fail to build after this change 385 due to unportable assumptions made in its source code about 386 fts(3) structure members. Such software should be fixed 387 by its vendor or, in the worst case, in the ports tree. 388 FreeBSD_version 800015 marks this change for the unlikely 389 case that a portable fix is impossible. 390 39120080123: 392 To upgrade to -current after this date, you must be running 393 FreeBSD not older than 6.0-RELEASE. Upgrading to -current 394 from 5.x now requires a stop over at RELENG_6 or RELENG_7 systems. 395 39620071128: 397 The ADAPTIVE_GIANT kernel option has been retired because its 398 functionality is the default now. 399 40020071118: 401 The AT keyboard emulation of sunkbd(4) has been turned on 402 by default. In order to make the special symbols of the Sun 403 keyboards driven by sunkbd(4) work under X these now have 404 to be configured the same way as Sun USB keyboards driven 405 by ukbd(4) (which also does AT keyboard emulation), f.e.: 406 407 Option "XkbLayout" "us" 408 Option "XkbRules" "xorg" 409 Option "XkbSymbols" "pc(pc105)+sun_vndr/usb(sun_usb)+us" 410 41120071024: 412 It has been decided that it is desirable to provide ABI 413 backwards compatibility to the FreeBSD 4/5/6 versions of the 414 PCIOCGETCONF, PCIOCREAD and PCIOCWRITE IOCTLs, which was 415 broken with the introduction of PCI domain support (see the 416 20070930 entry). Unfortunately, this required the ABI of 417 PCIOCGETCONF to be broken again in order to be able to 418 provide backwards compatibility to the old version of that 419 IOCTL. Thus consumers of PCIOCGETCONF have to be recompiled 420 again. As for prominent ports this affects neither pciutils 421 nor xorg-server this time, the hal port needs to be rebuilt 422 however. 423 42420071020: 425 The misnamed kthread_create() and friends have been renamed 426 to kproc_create() etc. Many of the callers already 427 used kproc_start().. 428 I will return kthread_create() and friends in a while 429 with implementations that actually create threads, not procs. 430 Renaming corresponds with version 800002. 431 43220071010: 433 RELENG_7 branched. 434 43520071009: 436 Setting WITHOUT_LIBPTHREAD now means WITHOUT_LIBKSE and 437 WITHOUT_LIBTHR are set. 438 43920070930: 440 The PCI code has been made aware of PCI domains. This means that 441 the location strings as used by pciconf(8) etc are now in the 442 following format: pci<domain>:<bus>:<device>[:<function>]. It 443 also means that consumers of <sys/pciio.h> potentially need to 444 be recompiled; this includes the hal and xorg-server ports. 445 44620070928: 447 The caching daemon (cached) was renamed to nscd. nscd.conf 448 configuration file should be used instead of cached.conf and 449 nscd_enable, nscd_pidfile and nscd_flags options should be used 450 instead of cached_enable, cached_pidfile and cached_flags in 451 rc.conf. 452 45320070921: 454 The getfacl(1) utility now prints owning user and group name 455 instead of owning uid and gid in the three line comment header. 456 This is the same behavior as getfacl(1) on Solaris and Linux. 457 45820070704: 459 The new IPsec code is now compiled in using the IPSEC option. The 460 IPSEC option now requires "device crypto" be defined in your kernel 461 configuration. The FAST_IPSEC kernel option is now deprecated. 462 46320070702: 464 The packet filter (pf) code has been updated to OpenBSD 4.1 Please 465 note the changed syntax - keep state is now on by default. Also 466 note the fact that ftp-proxy(8) has been changed from bottom up and 467 has been moved from libexec to usr/sbin. Changes in the ALTQ 468 handling also affect users of IPFW's ALTQ capabilities. 469 47020070701: 471 Remove KAME IPsec in favor of FAST_IPSEC, which is now the 472 only IPsec supported by FreeBSD. The new IPsec stack 473 supports both IPv4 and IPv6. The kernel option will change 474 after the code changes have settled in. For now the kernel 475 option IPSEC is deprecated and FAST_IPSEC is the only option, that 476 will change after some settling time. 477 47820070701: 479 The wicontrol(8) utility has been removed from the base system. wi(4) 480 cards should be configured using ifconfig(8), see the man page for more 481 information. 482 48320070612: 484 The i386/amd64 GENERIC kernel now defaults to the nfe(4) driver 485 instead of the nve(4) driver. Please update your configuration 486 accordingly. 487 48820070612: 489 By default, /etc/rc.d/sendmail no longer rebuilds the aliases 490 database if it is missing or older than the aliases file. If 491 desired, set the new rc.conf option sendmail_rebuild_aliases 492 to "YES" to restore that functionality. 493 49420070612: 495 The IPv4 multicast socket code has been considerably modified, and 496 moved to the file sys/netinet/in_mcast.c. Initial support for the 497 RFC 3678 Source-Specific Multicast Socket API has been added to 498 the IPv4 network stack. 499 500 Strict multicast and broadcast reception is now the default for 501 UDP/IPv4 sockets; the net.inet.udp.strict_mcast_mship sysctl variable 502 has now been removed. 503 504 The RFC 1724 hack for interface selection has been removed; the use 505 of the Linux-derived ip_mreqn structure with IP_MULTICAST_IF has 506 been added to replace it. Consumers such as routed will soon be 507 updated to reflect this. 508 509 These changes affect users who are running routed(8) or rdisc(8) 510 from the FreeBSD base system on point-to-point or unnumbered 511 interfaces. 512 51320070610: 514 The net80211 layer has changed significantly and all wireless 515 drivers that depend on it need to be recompiled. Further these 516 changes require that any program that interacts with the wireless 517 support in the kernel be recompiled; this includes: ifconfig, 518 wpa_supplicant, hostapd, and wlanstats. Users must also, for 519 the moment, kldload the wlan_scan_sta and/or wlan_scan_ap modules 520 if they use modules for wireless support. These modules implement 521 scanning support for station and ap modes, respectively. Failure 522 to load the appropriate module before marking a wireless interface 523 up will result in a message to the console and the device not 524 operating properly. 525 52620070610: 527 The pam_nologin(8) module ceases to provide an authentication 528 function and starts providing an account management function. 529 Consequent changes to /etc/pam.d should be brought in using 530 mergemaster(8). Third-party files in /usr/local/etc/pam.d may 531 need manual editing as follows. Locate this line (or similar): 532 533 auth required pam_nologin.so no_warn 534 535 and change it according to this example: 536 537 account required pam_nologin.so no_warn 538 539 That is, the first word needs to be changed from "auth" to 540 "account". The new line can be moved to the account section 541 within the file for clarity. Not updating pam.conf(5) files 542 will result in nologin(5) ignored by the respective services. 543 54420070529: 545 The ether_ioctl() function has been synchronized with ioctl(2) 546 and ifnet.if_ioctl. Due to that, the size of one of its arguments 547 has changed on 64-bit architectures. All kernel modules using 548 ether_ioctl() need to be rebuilt on such architectures. 549 55020070516: 551 Improved INCLUDE_CONFIG_FILE support has been introduced to the 552 config(8) utility. In order to take advantage of this new 553 functionality, you are expected to recompile and install 554 src/usr.sbin/config. If you don't rebuild config(8), and your 555 kernel configuration depends on INCLUDE_CONFIG_FILE, the kernel 556 build will be broken because of a missing "kernconfstring" 557 symbol. 558 55920070513: 560 Symbol versioning is enabled by default. To disable it, use 561 option WITHOUT_SYMVER. It is not advisable to attempt to 562 disable symbol versioning once it is enabled; your installworld 563 will break because a symbol version-less libc will get installed 564 before the install tools. As a result, the old install tools, 565 which previously had symbol dependencies to FBSD_1.0, will fail 566 because the freshly installed libc will not have them. 567 568 The default threading library (providing "libpthread") has been 569 changed to libthr. If you wish to have libkse as your default, 570 use option DEFAULT_THREAD_LIB=libkse for the buildworld. 571 57220070423: 573 The ABI breakage in sendmail(8)'s libmilter has been repaired 574 so it is no longer necessary to recompile mail filters (aka, 575 milters). If you recompiled mail filters after the 20070408 576 note, it is not necessary to recompile them again. 577 57820070417: 579 The new trunk(4) driver has been renamed to lagg(4) as it better 580 reflects its purpose. ifconfig will need to be recompiled. 581 58220070408: 583 sendmail(8) has been updated to version 8.14.1. Mail filters 584 (aka, milters) compiled against the libmilter included in the 585 base operating system should be recompiled. 586 58720070302: 588 Firmwares for ipw(4) and iwi(4) are now included in the base tree. 589 In order to use them one must agree to the respective LICENSE in 590 share/doc/legal and define legal.intel_<name>.license_ack=1 via 591 loader.conf(5) or kenv(1). Make sure to deinstall the now 592 deprecated modules from the respective firmware ports. 593 59420070228: 595 The name resolution/mapping functions addr2ascii(3) and ascii2addr(3) 596 were removed from FreeBSD's libc. These originally came from INRIA 597 IPv6. Nothing in FreeBSD ever used them. They may be regarded as 598 deprecated in previous releases. 599 The AF_LINK support for getnameinfo(3) was merged from NetBSD to 600 replace it as a more portable (and re-entrant) API. 601 60220070224: 603 To support interrupt filtering a modification to the newbus API 604 has occurred, ABI was broken and __FreeBSD_version was bumped 605 to 700031. Please make sure that your kernel and modules are in 606 sync. For more info: 607 http://docs.freebsd.org/cgi/mid.cgi?20070221233124.GA13941 608 60920070224: 610 The IPv6 multicast forwarding code may now be loaded into GENERIC 611 kernels by loading the ip_mroute.ko module. This is built into the 612 module unless WITHOUT_INET6 or WITHOUT_INET6_SUPPORT options are 613 set; see src.conf(5) for more information. 614 61520070214: 616 The output of netstat -r has changed. Without -n, we now only 617 print a "network name" without the prefix length if the network 618 address and mask exactly match a Class A/B/C network, and an entry 619 exists in the nsswitch "networks" map. 620 With -n, we print the full unabbreviated CIDR network prefix in 621 the form "a.b.c.d/p". 0.0.0.0/0 is always printed as "default". 622 This change is in preparation for changes such as equal-cost 623 multipath, and to more generally assist operational deployment 624 of FreeBSD as a modern IPv4 router. 625 62620070210: 627 PIM has been turned on by default in the IPv4 multicast 628 routing code. The kernel option 'PIM' has now been removed. 629 PIM is now built by default if option 'MROUTING' is specified. 630 It may now be loaded into GENERIC kernels by loading the 631 ip_mroute.ko module. 632 63320070207: 634 Support for IPIP tunnels (VIFF_TUNNEL) in IPv4 multicast routing 635 has been removed. Its functionality may be achieved by explicitly 636 configuring gif(4) interfaces and using the 'phyint' keyword in 637 mrouted.conf. 638 XORP does not support source-routed IPv4 multicast tunnels nor the 639 integrated IPIP tunneling, therefore it is not affected by this 640 change. The __FreeBSD_version macro has been bumped to 700030. 641 64220061221: 643 Support for PCI Message Signalled Interrupts has been 644 re-enabled in the bge driver, only for those chips which are 645 believed to support it properly. If there are any problems, 646 MSI can be disabled completely by setting the 647 'hw.pci.enable_msi' and 'hw.pci.enable_msix' tunables to 0 648 in the loader. 649 65020061214: 651 Support for PCI Message Signalled Interrupts has been 652 disabled again in the bge driver. Many revisions of the 653 hardware fail to support it properly. Support can be 654 re-enabled by removing the #define of BGE_DISABLE_MSI in 655 "src/sys/dev/bge/if_bge.c". 656 65720061214: 658 Support for PCI Message Signalled Interrupts has been added 659 to the bge driver. If there are any problems, MSI can be 660 disabled completely by setting the 'hw.pci.enable_msi' and 661 'hw.pci.enable_msix' tunables to 0 in the loader. 662 66320061205: 664 The removal of several facets of the experimental Threading 665 system from the kernel means that the proc and thread structures 666 have changed quite a bit. I suggest all kernel modules that might 667 reference these structures be recompiled.. Especially the 668 linux module. 669 67020061126: 671 Sound infrastructure has been updated with various fixes and 672 improvements. Most of the changes are pretty much transparent, 673 with exceptions of followings: 674 1) All sound driver specific sysctls (hw.snd.pcm%d.*) have been 675 moved to their own dev sysctl nodes, for example: 676 hw.snd.pcm0.vchans -> dev.pcm.0.vchans 677 2) /dev/dspr%d.%d has been deprecated. Each channel now has its 678 own chardev in the form of "dsp%d.<function>%d", where <function> 679 is p = playback, r = record and v = virtual, respectively. Users 680 are encouraged to use these devs instead of (old) "/dev/dsp%d.%d". 681 This does not affect those who are using "/dev/dsp". 682 68320061122: 684 geom(4)'s gmirror(8) class metadata structure has been 685 rev'd from v3 to v4. If you update across this point and 686 your metadata is converted for you, you will not be easily 687 able to downgrade since the /boot/kernel.old/geom_mirror.ko 688 kernel module will be unable to read the v4 metadata. You 689 can resolve this by doing from the loader(8) prompt: 690 691 set vfs.root.mountfrom="ufs:/dev/XXX" 692 693 where XXX is the root slice of one of the disks that composed 694 the mirror (i.e.: /dev/ad0s1a). You can then rebuild 695 the array the same way you built it originally. 696 69720061122: 698 The following binaries have been disconnected from the build: 699 mount_devfs, mount_ext2fs, mount_fdescfs, mount_procfs, mount_linprocfs, 700 and mount_std. The functionality of these programs has been 701 moved into the mount program. For example, to mount a devfs 702 filesystem, instead of using mount_devfs, use: "mount -t devfs". 703 This does not affect entries in /etc/fstab, since entries in 704 /etc/fstab are always processed with "mount -t fstype". 705 70620061113: 707 Support for PCI Message Signalled Interrupts on i386 and amd64 708 has been added to the kernel and various drivers will soon be 709 updated to use MSI when it is available. If there are any problems, 710 MSI can be disabled completely by setting the 'hw.pci.enable_msi' 711 and 'hw.pci.enable_msix' tunables to 0 in the loader. 712 71320061110: 714 The MUTEX_PROFILING option has been renamed to LOCK_PROFILING. 715 The lockmgr object layout has been changed as a result of having 716 a lock_object embedded in it. As a consequence all file system 717 kernel modules must be re-compiled. The mutex profiling man page 718 has not yet been updated to reflect this change. 719 72020061026: 721 KSE in the kernel has now been made optional and turned on by 722 default. Use 'nooption KSE' in your kernel config to turn it 723 off. All kernel modules *must* be recompiled after this change. 724 There-after, modules from a KSE kernel should be compatible with 725 modules from a NOKSE kernel due to the temporary padding fields 726 added to 'struct proc'. 727 72820060929: 729 mrouted and its utilities have been removed from the base system. 730 73120060927: 732 Some ioctl(2) command codes have changed. Full backward ABI 733 compatibility is provided if the "options COMPAT_FREEBSD6" is 734 present in the kernel configuration file. Make sure to add 735 this option to your kernel config file, or recompile X.Org 736 and the rest of ports; otherwise they may refuse to work. 737 73820060924: 739 tcpslice has been removed from the base system. 740 74120060913: 742 The sizes of struct tcpcb (and struct xtcpcb) have changed due to 743 the rewrite of TCP syncookies. Tools like netstat, sockstat, and 744 systat needs to be rebuilt. 745 74620060903: 747 libpcap updated to v0.9.4 and tcpdump to v3.9.4 748 74920060816: 750 The IPFIREWALL_FORWARD_EXTENDED option is gone and the behaviour 751 for IPFIREWALL_FORWARD is now as it was before when it was first 752 committed and for years after. The behaviour is now ON. 753 75420060725: 755 enigma(1)/crypt(1) utility has been changed on 64 bit architectures. 756 Now it can decrypt files created from different architectures. 757 Unfortunately, it is no longer able to decrypt a cipher text 758 generated with an older version on 64 bit architectures. 759 If you have such a file, you need old utility to decrypt it. 760 76120060709: 762 The interface version of the i4b kernel part has changed. So 763 after updating the kernel sources and compiling a new kernel, 764 the i4b user space tools in "/usr/src/usr.sbin/i4b" must also 765 be rebuilt, and vice versa. 766 76720060627: 768 The XBOX kernel now defaults to the nfe(4) driver instead of 769 the nve(4) driver. Please update your configuration 770 accordingly. 771 77220060514: 773 The i386-only lnc(4) driver for the AMD Am7900 LANCE and Am79C9xx 774 PCnet family of NICs has been removed. The new le(4) driver serves 775 as an equivalent but cross-platform replacement with the pcn(4) 776 driver still providing performance-optimized support for the subset 777 of AMD Am79C971 PCnet-FAST and greater chips as before. 778 77920060511: 780 The machdep.* sysctls and the adjkerntz utility have been 781 modified a bit. The new adjkerntz utility uses the new 782 sysctl names and sysctlbyname() calls, so it may be impossible 783 to run an old /sbin/adjkerntz utility in single-user mode 784 with a new kernel. Replace the `adjkerntz -i' step before 785 `make installworld' with: 786 787 /usr/obj/usr/src/sbin/adjkerntz/adjkerntz -i 788 789 and proceed as usual with the rest of the installworld-stage 790 steps. Otherwise, you risk installing binaries with their 791 timestamp set several hours in the future, especially if 792 you are running with local time set to GMT+X hours. 793 79420060412: 795 The ip6fw utility has been removed. The behavior provided by 796 ip6fw has been in ipfw2 for a good while and the rc.d scripts 797 have been updated to deal with it. There are some rules that 798 might not migrate cleanly. Use rc.firewall6 as a template to 799 rewrite rules. 800 80120060428: 802 The puc(4) driver has been overhauled. The ebus(4) and sbus(4) 803 attachments have been removed. Make sure to configure scc(4) 804 on sparc64. Note also that by default puc(4) will use uart(4) 805 and not sio(4) for serial ports because interrupt handling has 806 been optimized for multi-port serial cards and only uart(4) 807 implements the interface to support it. 808 80920060330: 810 The scc(4) driver replaces puc(4) for Serial Communications 811 Controllers (SCCs) like the Siemens SAB82532 and the Zilog 812 Z8530. On sparc64, it is advised to add scc(4) to the kernel 813 configuration to make sure that the serial ports remain 814 functional. 815 81620060317: 817 Most world/kernel related NO_* build options changed names. 818 New knobs have common prefixes WITHOUT_*/WITH_* (modelled 819 after FreeBSD ports) and should be set in /etc/src.conf 820 (the src.conf(5) manpage is provided). Full backwards 821 compatibility is maintained for the time being though it's 822 highly recommended to start moving old options out of the 823 system-wide /etc/make.conf file into the new /etc/src.conf 824 while also properly renaming them. More conversions will 825 likely follow. Posting to current@: 826 827 http://lists.freebsd.org/pipermail/freebsd-current/2006-March/061725.html 828 82920060305: 830 The NETSMBCRYPTO kernel option has been retired because its 831 functionality is always included in NETSMB and smbfs.ko now. 832 83320060303: 834 The TDFX_LINUX kernel option was retired and replaced by the 835 tdfx_linux device. The latter can be loaded as the 3dfx_linux.ko 836 kernel module. Loading it alone should suffice to get 3dfx support 837 for Linux apps because it will pull in 3dfx.ko and linux.ko through 838 its dependencies. 839 84020060204: 841 The 'audit' group was added to support the new auditing functionality 842 in the base system. Be sure to follow the directions for updating, 843 including the requirement to run mergemaster -p. 844 84520060201: 846 The kernel ABI to file system modules was changed on i386. 847 Please make sure that your kernel and modules are in sync. 848 84920060118: 850 This actually occured some time ago, but installing the kernel 851 now also installs a bunch of symbol files for the kernel modules. 852 This increases the size of /boot/kernel to about 67Mbytes. You 853 will need twice this if you will eventually back this up to kernel.old 854 on your next install. 855 If you have a shortage of room in your root partition, you should add 856 -DINSTALL_NODEBUG to your make arguments or add INSTALL_NODEBUG="yes" 857 to your /etc/make.conf. 858 85920060113: 860 libc's malloc implementation has been replaced. This change has the 861 potential to uncover application bugs that previously went unnoticed. 862 See the malloc(3) manual page for more details. 863 86420060112: 865 The generic netgraph(4) cookie has been changed. If you upgrade 866 kernel passing this point, you also need to upgrade userland 867 and netgraph(4) utilities like ports/net/mpd or ports/net/mpd4. 868 86920060106: 870 si(4)'s device files now contain the unit number. 871 Uses of {cua,tty}A[0-9a-f] should be replaced by {cua,tty}A0[0-9a-f]. 872 87320060106: 874 The kernel ABI was mostly destroyed due to a change in the size 875 of struct lock_object which is nested in other structures such 876 as mutexes which are nested in all sorts of other structures. 877 Make sure your kernel and modules are in sync. 878 87920051231: 880 The page coloring algorithm in the VM subsystem was converted 881 from tuning with kernel options to autotuning. Please remove 882 any PQ_* option except PQ_NOOPT from your kernel config. 883 88420051211: 885 The net80211-related tools in the tools/tools/ath directory 886 have been moved to tools/tools/net80211 and renamed with a 887 "wlan" prefix. Scripts that use them should be adjusted 888 accordingly. 889 89020051202: 891 Scripts in the local_startup directories (as defined in 892 /etc/defaults/rc.conf) that have the new rc.d semantics will 893 now be run as part of the base system rcorder. If there are 894 errors or problems with one of these local scripts, it could 895 cause boot problems. If you encounter such problems, boot in 896 single user mode, remove that script from the */rc.d directory. 897 Please report the problem to the port's maintainer, and the 898 freebsd-ports@freebsd.org mailing list. 899 90020051129: 901 The nodev mount option was deprecated in RELENG_6 (where it 902 was a no-op), and is now unsupported. If you have nodev or dev listed 903 in /etc/fstab, remove it, otherwise it will result in a mount error. 904 90520051129: 906 ABI between ipfw(4) and ipfw(8) has been changed. You need 907 to rebuild ipfw(8) when rebuilding kernel. 908 90920051108: 910 rp(4)'s device files now contain the unit number. 911 Uses of {cua,tty}R[0-9a-f] should be replaced by {cua,tty}R0[0-9a-f]. 912 91320051029: 914 /etc/rc.d/ppp-user has been renamed to /etc/rc.d/ppp. 915 Its /etc/rc.conf.d configuration file has been `ppp' from 916 the beginning, and hence there is no need to touch it. 917 91820051014: 919 Now most modules get their build-time options from the kernel 920 configuration file. A few modules still have fixed options 921 due to their non-conformant implementation, but they will be 922 corrected eventually. You may need to review the options of 923 the modules in use, explicitly specify the non-default options 924 in the kernel configuration file, and rebuild the kernel and 925 modules afterwards. 926 92720051001: 928 kern.polling.enable sysctl MIB is now deprecated. Use ifconfig(8) 929 to turn polling(4) on your interfaces. 930 93120050927: 932 The old bridge(4) implementation was retired. The new 933 if_bridge(4) serves as a full functional replacement. 934 93520050722: 936 The ai_addrlen of a struct addrinfo was changed to a socklen_t 937 to conform to POSIX-2001. This change broke an ABI 938 compatibility on 64 bit architecture. You have to recompile 939 userland programs that use getaddrinfo(3) on 64 bit 940 architecture. 941 94220050711: 943 RELENG_6 branched here. 944 94520050629: 946 The pccard_ifconfig rc.conf variable has been removed and a new 947 variable, ifconfig_DEFAULT has been introduced. Unlike 948 pccard_ifconfig, ifconfig_DEFAULT applies to ALL interfaces that 949 do not have ifconfig_ifn entries rather than just those in 950 removable_interfaces. 951 95220050616: 953 Some previous versions of PAM have permitted the use of 954 non-absolute paths in /etc/pam.conf or /etc/pam.d/* when referring 955 to third party PAM modules in /usr/local/lib. A change has been 956 made to require the use of absolute paths in order to avoid 957 ambiguity and dependence on library path configuration, which may 958 affect existing configurations. 959 96020050610: 961 Major changes to network interface API. All drivers must be 962 recompiled. Drivers not in the base system will need to be 963 updated to the new APIs. 964 96520050609: 966 Changes were made to kinfo_proc in sys/user.h. Please recompile 967 userland, or commands like `fstat', `pkill', `ps', `top' and `w' 968 will not behave correctly. 969 970 The API and ABI for hwpmc(4) have changed with the addition 971 of sampling support. Please recompile lib/libpmc(3) and 972 usr.sbin/{pmcstat,pmccontrol}. 973 97420050606: 975 The OpenBSD dhclient was imported in place of the ISC dhclient 976 and the network interface configuration scripts were updated 977 accordingly. If you use DHCP to configure your interfaces, you 978 must now run devd. Also, DNS updating was lost so you will need 979 to find a workaround if you use this feature. 980 981 The '_dhcp' user was added to support the OpenBSD dhclient. Be 982 sure to run mergemaster -p (like you are supposed to do every time 983 anyway). 984 98520050605: 986 if_bridge was added to the tree. This has changed struct ifnet. 987 Please recompile userland and all network related modules. 988 98920050603: 990 The n_net of a struct netent was changed to an uint32_t, and 991 1st argument of getnetbyaddr() was changed to an uint32_t, to 992 conform to POSIX-2001. These changes broke an ABI 993 compatibility on 64 bit architecture. With these changes, 994 shlib major of libpcap was bumped. You have to recompile 995 userland programs that use getnetbyaddr(3), getnetbyname(3), 996 getnetent(3) and/or libpcap on 64 bit architecture. 997 99820050528: 999 Kernel parsing of extra options on '#!' first lines of shell 1000 scripts has changed. Lines with multiple options likely will 1001 fail after this date. For full details, please see 1002 http://people.freebsd.org/~gad/Updating-20050528.txt 1003 100420050503: 1005 The packet filter (pf) code has been updated to OpenBSD 3.7 1006 Please note the changed anchor syntax and the fact that 1007 authpf(8) now needs a mounted fdescfs(5) to function. 1008 100920050415: 1010 The NO_MIXED_MODE kernel option has been removed from the i386 1011 amd64 platforms as its use has been superceded by the new local 1012 APIC timer code. Any kernel config files containing this option 1013 should be updated. 1014 101520050227: 1016 The on-disk format of LC_CTYPE files was changed to be machine 1017 independent. Please make sure NOT to use NO_CLEAN buildworld 1018 when crossing this point. Crossing this point also requires 1019 recompile or reinstall of all locale depended packages. 1020 102120050225: 1022 The ifi_epoch member of struct if_data has been changed to 1023 contain the uptime at which the interface was created or the 1024 statistics zeroed rather then the wall clock time because 1025 wallclock time may go backwards. This should have no impact 1026 unless an snmp implementation is using this value (I know of 1027 none at this point.) 1028 102920050224: 1030 The acpi_perf and acpi_throttle drivers are now part of the 1031 acpi(4) main module. They are no longer built separately. 1032 103320050223: 1034 The layout of struct image_params has changed. You have to 1035 recompile all compatibility modules (linux, svr4, etc) for use 1036 with the new kernel. 1037 103820050223: 1039 The p4tcc driver has been merged into cpufreq(4). This makes 1040 "options CPU_ENABLE_TCC" obsolete. Please load cpufreq.ko or 1041 compile in "device cpufreq" to restore this functionality. 1042 104320050220: 1044 The responsibility of recomputing the file system summary of 1045 a SoftUpdates-enabled dirty volume has been transferred to the 1046 background fsck. A rebuild of fsck(8) utility is recommended 1047 if you have updated the kernel. 1048 1049 To get the old behavior (recompute file system summary at mount 1050 time), you can set vfs.ffs.compute_summary_at_mount=1 before 1051 mounting the new volume. 1052 105320050206: 1054 The cpufreq import is complete. As part of this, the sysctls for 1055 acpi(4) throttling have been removed. The power_profile script 1056 has been updated, so you can use performance/economy_cpu_freq in 1057 rc.conf(5) to set AC on/offline cpu frequencies. 1058 105920050206: 1060 NG_VERSION has been increased. Recompiling kernel (or ng_socket.ko) 1061 requires recompiling libnetgraph and userland netgraph utilities. 1062 106320050114: 1064 Support for abbreviated forms of a number of ipfw options is 1065 now deprecated. Warnings are printed to stderr indicating the 1066 correct full form when a match occurs. Some abbreviations may 1067 be supported at a later date based on user feedback. To be 1068 considered for support, abbreviations must be in use prior to 1069 this commit and unlikely to be confused with current key words. 1070 107120041221: 1072 By a popular demand, a lot of NOFOO options were renamed 1073 to NO_FOO (see bsd.compat.mk for a full list). The old 1074 spellings are still supported, but will cause annoying 1075 warnings on stderr. Make sure you upgrade properly (see 1076 the COMMON ITEMS: section later in this file). 1077 107820041219: 1079 Auto-loading of ancillary wlan modules such as wlan_wep has 1080 been temporarily disabled; you need to statically configure 1081 the modules you need into your kernel or explicitly load them 1082 prior to use. Specifically, if you intend to use WEP encryption 1083 with an 802.11 device load/configure wlan_wep; if you want to 1084 use WPA with the ath driver load/configure wlan_tkip, wlan_ccmp, 1085 and wlan_xauth as required. 1086 108720041213: 1088 The behaviour of ppp(8) has changed slightly. If lqr is enabled 1089 (``enable lqr''), older versions would revert to LCP ECHO mode on 1090 negotiation failure. Now, ``enable echo'' is required for this 1091 behaviour. The ppp version number has been bumped to 3.4.2 to 1092 reflect the change. 1093 109420041201: 1095 The wlan support has been updated to split the crypto support 1096 into separate modules. For static WEP you must configure the 1097 wlan_wep module in your system or build and install the module 1098 in place where it can be loaded (the kernel will auto-load 1099 the module when a wep key is configured). 1100 110120041201: 1102 The ath driver has been updated to split the tx rate control 1103 algorithm into a separate module. You need to include either 1104 ath_rate_onoe or ath_rate_amrr when configuring the kernel. 1105 110620041116: 1107 Support for systems with an 80386 CPU has been removed. Please 1108 use FreeBSD 5.x or earlier on systems with an 80386. 1109 111020041110: 1111 We have had a hack which would mount the root filesystem 1112 R/W if the device were named 'md*'. As part of the vnode 1113 work I'm doing I have had to remove this hack. People 1114 building systems which use preloaded MD root filesystems 1115 may need to insert a "/sbin/mount -u -o rw /dev/md0 /" in 1116 their /etc/rc scripts. 1117 111820041104: 1119 FreeBSD 5.3 shipped here. 1120 112120041102: 1122 The size of struct tcpcb has changed again due to the removal 1123 of RFC1644 T/TCP. You have to recompile userland programs that 1124 read kmem for tcp sockets directly (netstat, sockstat, etc.) 1125 112620041022: 1127 The size of struct tcpcb has changed. You have to recompile 1128 userland programs that read kmem for tcp sockets directly 1129 (netstat, sockstat, etc.) 1130 113120041016: 1132 RELENG_5 branched here. For older entries, please see updating 1133 in the RELENG_5 branch. 1134 1135COMMON ITEMS: 1136 1137 General Notes 1138 ------------- 1139 Avoid using make -j when upgrading. From time to time in the 1140 past there have been problems using -j with buildworld and/or 1141 installworld. This is especially true when upgrading between 1142 "distant" versions (eg one that cross a major release boundary 1143 or several minor releases, or when several months have passed 1144 on the -current branch). 1145 1146 Sometimes, obscure build problems are the result of environment 1147 poisoning. This can happen because the make utility reads its 1148 environment when searching for values for global variables. 1149 To run your build attempts in an "environmental clean room", 1150 prefix all make commands with 'env -i '. See the env(1) manual 1151 page for more details. 1152 1153 When upgrading from one major version to another it is generally 1154 best to upgrade to the latest code in the currently installed branch 1155 first, then do an upgrade to the new branch. This is the best-tested 1156 upgrade path, and has the highest probability of being successful. 1157 Please try this approach before reporting problems with a major 1158 version upgrade. 1159 1160 To build a kernel 1161 ----------------- 1162 If you are updating from a prior version of FreeBSD (even one just 1163 a few days old), you should follow this procedure. It is the most 1164 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 1165 1166 make kernel-toolchain 1167 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 1168 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 1169 1170 To test a kernel once 1171 --------------------- 1172 If you just want to boot a kernel once (because you are not sure 1173 if it works, or if you want to boot a known bad kernel to provide 1174 debugging information) run 1175 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 1176 nextboot -k testkernel 1177 1178 To just build a kernel when you know that it won't mess you up 1179 -------------------------------------------------------------- 1180 This assumes you are already running a 5.X system. Replace 1181 ${arch} with the architecture of your machine (e.g. "i386", 1182 "alpha", "amd64", "ia64", "pc98", "sparc64", etc). 1183 1184 cd src/sys/${arch}/conf 1185 config KERNEL_NAME_HERE 1186 cd ../compile/KERNEL_NAME_HERE 1187 make depend 1188 make 1189 make install 1190 1191 If this fails, go to the "To build a kernel" section. 1192 1193 To rebuild everything and install it on the current system. 1194 ----------------------------------------------------------- 1195 # Note: sometimes if you are running current you gotta do more than 1196 # is listed here if you are upgrading from a really old current. 1197 1198 <make sure you have good level 0 dumps> 1199 make buildworld 1200 make kernel KERNCONF=YOUR_KERNEL_HERE 1201 [1] 1202 <reboot in single user> [3] 1203 mergemaster -p [5] 1204 make installworld 1205 make delete-old 1206 mergemaster [4] 1207 <reboot> 1208 1209 1210 To cross-install current onto a separate partition 1211 -------------------------------------------------- 1212 # In this approach we use a separate partition to hold 1213 # current's root, 'usr', and 'var' directories. A partition 1214 # holding "/", "/usr" and "/var" should be about 2GB in 1215 # size. 1216 1217 <make sure you have good level 0 dumps> 1218 <boot into -stable> 1219 make buildworld 1220 make buildkernel KERNCONF=YOUR_KERNEL_HERE 1221 <maybe newfs current's root partition> 1222 <mount current's root partition on directory ${CURRENT_ROOT}> 1223 make installworld DESTDIR=${CURRENT_ROOT} 1224 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 1225 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 1226 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 1227 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 1228 <reboot into current> 1229 <do a "native" rebuild/install as described in the previous section> 1230 <maybe install compatibility libraries from ports/misc/compat*> 1231 <reboot> 1232 1233 1234 To upgrade in-place from 5.x-stable to current 1235 ---------------------------------------------- 1236 <make sure you have good level 0 dumps> 1237 make buildworld [9] 1238 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 1239 [1] 1240 <reboot in single user> [3] 1241 mergemaster -p [5] 1242 make installworld 1243 make delete-old 1244 mergemaster -i [4] 1245 <reboot> 1246 1247 Make sure that you've read the UPDATING file to understand the 1248 tweaks to various things you need. At this point in the life 1249 cycle of current, things change often and you are on your own 1250 to cope. The defaults can also change, so please read ALL of 1251 the UPDATING entries. 1252 1253 Also, if you are tracking -current, you must be subscribed to 1254 freebsd-current@freebsd.org. Make sure that before you update 1255 your sources that you have read and understood all the recent 1256 messages there. If in doubt, please track -stable which has 1257 much fewer pitfalls. 1258 1259 [1] If you have third party modules, such as vmware, you 1260 should disable them at this point so they don't crash your 1261 system on reboot. 1262 1263 [3] From the bootblocks, boot -s, and then do 1264 fsck -p 1265 mount -u / 1266 mount -a 1267 cd src 1268 adjkerntz -i # if CMOS is wall time 1269 Also, when doing a major release upgrade, it is required that 1270 you boot into single user mode to do the installworld. 1271 1272 [4] Note: This step is non-optional. Failure to do this step 1273 can result in a significant reduction in the functionality of the 1274 system. Attempting to do it by hand is not recommended and those 1275 that pursue this avenue should read this file carefully, as well 1276 as the archives of freebsd-current and freebsd-hackers mailing lists 1277 for potential gotchas. 1278 1279 [5] Usually this step is a noop. However, from time to time 1280 you may need to do this if you get unknown user in the following 1281 step. It never hurts to do it all the time. You may need to 1282 install a new mergemaster (cd src/usr.sbin/mergemaster && make 1283 install) after the buildworld before this step if you last updated 1284 from current before 20020224 or from -stable before 20020408. 1285 1286 [8] In order to have a kernel that can run the 4.x binaries 1287 needed to do an installworld, you must include the COMPAT_FREEBSD4 1288 option in your kernel. Failure to do so may leave you with a system 1289 that is hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 1290 is required to run the 5.x binaries on more recent kernels. 1291 1292 Make sure that you merge any new devices from GENERIC since the 1293 last time you updated your kernel config file. 1294 1295 [9] When checking out sources, you must include the -P flag to have 1296 cvs prune empty directories. 1297 1298 If CPUTYPE is defined in your /etc/make.conf, make sure to use the 1299 "?=" instead of the "=" assignment operator, so that buildworld can 1300 override the CPUTYPE if it needs to. 1301 1302 MAKEOBJDIRPREFIX must be defined in an environment variable, and 1303 not on the command line, or in /etc/make.conf. buildworld will 1304 warn if it is improperly defined. 1305FORMAT: 1306 1307This file contains a list, in reverse chronological order, of major 1308breakages in tracking -current. Not all things will be listed here, 1309and it only starts on October 16, 2004. Updating files can found in 1310previous releases if your system is older than this. 1311 1312Copyright information: 1313 1314Copyright 1998-2005 M. Warner Losh. All Rights Reserved. 1315 1316Redistribution, publication, translation and use, with or without 1317modification, in full or in part, in any form or format of this 1318document are permitted without further permission from the author. 1319 1320THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 1321IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 1322WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 1323DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 1324INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 1325(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 1326SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 1327HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 1328STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 1329IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 1330POSSIBILITY OF SUCH DAMAGE. 1331 1332If you find this document useful, and you want to, you may buy the 1333author a beer. 1334 1335Contact Warner Losh if you have any questions about your use of 1336this document. 1337 1338$FreeBSD: head/UPDATING 189772 2009-03-13 16:40:56Z gabor $ 1339