UPDATING revision 172394
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 7.x IS SLOW: 12 FreeBSD 7.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. 23 2420070930: 25 The PCI code has been made aware of PCI domains. This means that 26 the location strings as used by pciconf(8) etc are now in the 27 following format: pci<domain>:<bus>:<device>[:<function>]. It 28 also means that consumers of <sys/pciio.h> potentially need to 29 be recompiled; this includes the hal and xorg-server ports. 30 3120070928: 32 The caching daemon (cached) was renamed to nscd. nscd.conf 33 configuration file should be used instead of cached.conf and 34 nscd_enable, nscd_pidfile and nscd_flags options should be used 35 instead of cached_enable, cached_pidfile and cached_flags in 36 rc.conf. 37 3820070704: 39 The new IPsec code is now compiled in using the IPSEC option. The 40 IPSEC option now requires "device crypto" be defined in your kernel 41 configuration. The FAST_IPSEC kernel option is now deprecated. 42 4320070702: 44 The packet filter (pf) code has been updated to OpenBSD 4.1 Please 45 note the changed syntax - keep state is now on by default. Also 46 note the fact that ftp-proxy(8) has been changed from bottom up and 47 has been moved from libexec to usr/sbin. Changes in the ALTQ 48 handling also affect users of IPFW's ALTQ capabilities. 49 5020070701: 51 Remove KAME IPsec in favor of FAST_IPSEC, which is now the 52 only IPsec supported by FreeBSD. The new IPsec stack 53 supports both IPv4 and IPv6. The kernel option will change 54 after the code changes have settled in. For now the kernel 55 option IPSEC is deprecated and FAST_IPSEC is the only option, that 56 will change after some settling time. 57 5820070701: 59 The wicontrol(8) utility has been removed from the base system. wi(4) 60 cards should be configured using ifconfig(8), see the man page for more 61 information. 62 6320070612: 64 The i386/amd64 GENERIC kernel now defaults to the nfe(4) driver 65 instead of the nve(4) driver. Please update your configuration 66 accordingly. 67 6820070612: 69 By default, /etc/rc.d/sendmail no longer rebuilds the aliases 70 database if it is missing or older than the aliases file. If 71 desired, set the new rc.conf option sendmail_rebuild_aliases 72 to "YES" to restore that functionality. 73 7420070612: 75 The IPv4 multicast socket code has been considerably modified, and 76 moved to the file sys/netinet/in_mcast.c. Initial support for the 77 RFC 3678 Source-Specific Multicast Socket API has been added to 78 the IPv4 network stack. 79 80 Strict multicast and broadcast reception is now the default for 81 UDP/IPv4 sockets; the net.inet.udp.strict_mcast_mship sysctl variable 82 has now been removed. 83 84 The RFC 1724 hack for interface selection has been removed; the use 85 of the Linux-derived ip_mreqn structure with IP_MULTICAST_IF has 86 been added to replace it. Consumers such as routed will soon be 87 updated to reflect this. 88 89 These changes affect users who are running routed(8) or rdisc(8) 90 from the FreeBSD base system on point-to-point or unnumbered 91 interfaces. 92 9320070610: 94 The net80211 layer has changed significantly and all wireless 95 drivers that depend on it need to be recompiled. Further these 96 changes require that any program that interacts with the wireless 97 support in the kernel be recompiled; this includes: ifconfig, 98 wpa_supplicant, hostapd, and wlanstats. Users must also, for 99 the moment, kldload the wlan_scan_sta and/or wlan_scan_ap modules 100 if they use modules for wireless support. These modules implement 101 scanning support for station and ap modes, respectively. Failure 102 to load the appropriate module before marking a wireless interface 103 up will result in a message to the console and the device not 104 operating properly. 105 10620070610: 107 The pam_nologin(8) module ceases to provide an authentication 108 function and starts providing an account management function. 109 Consequent changes to /etc/pam.d should be brought in using 110 mergemaster(8). Third-party files in /usr/local/etc/pam.d may 111 need manual editing as follows. Locate this line (or similar): 112 113 auth required pam_nologin.so no_warn 114 115 and change it according to this example: 116 117 account required pam_nologin.so no_warn 118 119 That is, the first word needs to be changed from "auth" to 120 "account". The new line can be moved to the account section 121 within the file for clarity. Not updating pam.conf(5) files 122 will result in nologin(5) ignored by the respective services. 123 12420070529: 125 The ether_ioctl() function has been synchronized with ioctl(2) 126 and ifnet.if_ioctl. Due to that, the size of one of its arguments 127 has changed on 64-bit architectures. All kernel modules using 128 ether_ioctl() need to be rebuilt on such architectures. 129 13020070516: 131 Improved INCLUDE_CONFIG_FILE support has been introduced to the 132 config(8) utility. In order to take advantage of this new 133 functionality, you are expected to recompile and install 134 src/usr.sbin/config. If you don't rebuild config(8), and your 135 kernel configuration depends on INCLUDE_CONFIG_FILE, the kernel 136 build will be broken because of a missing "kernconfstring" 137 symbol. 138 13920070513: 140 Symbol versioning is enabled by default. To disable it, use 141 option WITHOUT_SYMVER. It is not advisable to attempt to 142 disable symbol versioning once it is enabled; your installworld 143 will break because a symbol version-less libc will get installed 144 before the install tools. As a result, the old install tools, 145 which previously had symbol dependencies to FBSD_1.0, will fail 146 because the freshly installed libc will not have them. 147 148 The default threading library has been changed to libthr. If 149 you wish to have libpthread as your default, use option 150 DEFAULT_THREAD_LIB=libpthread for the buildworld. 151 15220070423: 153 The ABI breakage in sendmail(8)'s libmilter has been repaired 154 so it is no longer necessary to recompile mail filters (aka, 155 milters). If you recompiled mail filters after the 20070408 156 note, it is not necessary to recompile them again. 157 15820070417: 159 The new trunk(4) driver has been renamed to lagg(4) as it better 160 reflects its purpose. ifconfig will need to be recompiled. 161 16220070408: 163 sendmail(8) has been updated to version 8.14.1. Mail filters 164 (aka, milters) compiled against the libmilter included in the 165 base operating system should be recompiled. 166 16720070302: 168 Firmwares for ipw(4) and iwi(4) are now included in the base tree. 169 In order to use them one must agree to the respective LICENSE in 170 share/doc/legal and define legal.intel_<name>.license_ack=1 via 171 loader.conf(5) or kenv(1). Make sure to deinstall the now 172 deprecated modules from the respective firmware ports. 173 17420070228: 175 The name resolution/mapping functions addr2ascii(3) and ascii2addr(3) 176 were removed from FreeBSD's libc. These originally came from INRIA 177 IPv6. Nothing in FreeBSD ever used them. They may be regarded as 178 deprecated in previous releases. 179 The AF_LINK support for getnameinfo(3) was merged from NetBSD to 180 replace it as a more portable (and re-entrant) API. 181 18220070224: 183 To support interrupt filtering a modification to the newbus API 184 has occurred, ABI was broken and __FreeBSD_version was bumped 185 to 700031. Please make sure that your kernel and modules are in 186 sync. For more info: 187 http://docs.freebsd.org/cgi/mid.cgi?20070221233124.GA13941 188 18920070224: 190 The IPv6 multicast forwarding code may now be loaded into GENERIC 191 kernels by loading the ip_mroute.ko module. This is built into the 192 module unless WITHOUT_INET6 or WITHOUT_INET6_SUPPORT options are 193 set; see src.conf(5) for more information. 194 19520070214: 196 The output of netstat -r has changed. Without -n, we now only 197 print a "network name" without the prefix length if the network 198 address and mask exactly match a Class A/B/C network, and an entry 199 exists in the nsswitch "networks" map. 200 With -n, we print the full unabbreviated CIDR network prefix in 201 the form "a.b.c.d/p". 0.0.0.0/0 is always printed as "default". 202 This change is in preparation for changes such as equal-cost 203 multipath, and to more generally assist operational deployment 204 of FreeBSD as a modern IPv4 router. 205 20620070210: 207 PIM has been turned on by default in the IPv4 multicast 208 routing code. The kernel option 'PIM' has now been removed. 209 PIM is now built by default if option 'MROUTING' is specified. 210 It may now be loaded into GENERIC kernels by loading the 211 ip_mroute.ko module. 212 21320070207: 214 Support for IPIP tunnels (VIFF_TUNNEL) in IPv4 multicast routing 215 has been removed. Its functionality may be achieved by explicitly 216 configuring gif(4) interfaces and using the 'phyint' keyword in 217 mrouted.conf. 218 XORP does not support source-routed IPv4 multicast tunnels nor the 219 integrated IPIP tunneling, therefore it is not affected by this 220 change. The __FreeBSD_version macro has been bumped to 700030. 221 22220061221: 223 Support for PCI Message Signalled Interrupts has been 224 re-enabled in the bge driver, only for those chips which are 225 believed to support it properly. If there are any problems, 226 MSI can be disabled completely by setting the 227 'hw.pci.enable_msi' and 'hw.pci.enable_msix' tunables to 0 228 in the loader. 229 23020061214: 231 Support for PCI Message Signalled Interrupts has been 232 disabled again in the bge driver. Many revisions of the 233 hardware fail to support it properly. Support can be 234 re-enabled by removing the #define of BGE_DISABLE_MSI in 235 "src/sys/dev/bge/if_bge.c". 236 23720061214: 238 Support for PCI Message Signalled Interrupts has been added 239 to the bge driver. If there are any problems, MSI can be 240 disabled completely by setting the 'hw.pci.enable_msi' and 241 'hw.pci.enable_msix' tunables to 0 in the loader. 242 24320061205: 244 The removal of several facets of the experimental Threading 245 system from the kernel means that the proc and thread structures 246 have changed quite a bit. I suggest all kernel modules that might 247 reference these structures be recompiled.. Especially the 248 linux module. 249 25020061126: 251 Sound infrastructure has been updated with various fixes and 252 improvements. Most of the changes are pretty much transparent, 253 with exceptions of followings: 254 1) All sound driver specific sysctls (hw.snd.pcm%d.*) have been 255 moved to their own dev sysctl nodes, for example: 256 hw.snd.pcm0.vchans -> dev.pcm.0.vchans 257 2) /dev/dspr%d.%d has been deprecated. Each channel now has its 258 own chardev in the form of "dsp%d.<function>%d", where <function> 259 is p = playback, r = record and v = virtual, respectively. Users 260 are encouraged to use these devs instead of (old) "/dev/dsp%d.%d". 261 This does not affect those who are using "/dev/dsp". 262 26320061122: 264 The following binaries have been disconnected from the build: 265 mount_devfs, mount_ext2fs, mount_fdescfs, mount_procfs, mount_linprocfs, 266 and mount_std. The functionality of these programs has been 267 moved into the mount program. For example, to mount a devfs 268 filesystem, instead of using mount_devfs, use: "mount -t devfs". 269 This does not affect entries in /etc/fstab, since entries in 270 /etc/fstab are always processed with "mount -t fstype". 271 27220061113: 273 Support for PCI Message Signalled Interrupts on i386 and amd64 274 has been added to the kernel and various drivers will soon be 275 updated to use MSI when it is available. If there are any problems, 276 MSI can be disabled completely by setting the 'hw.pci.enable_msi' 277 and 'hw.pci.enable_msix' tunables to 0 in the loader. 278 27920061110: 280 The MUTEX_PROFILING option has been renamed to LOCK_PROFILING. 281 The lockmgr object layout has been changed as a result of having 282 a lock_object embedded in it. As a consequence all file system 283 kernel modules must be re-compiled. The mutex profiling man page 284 has not yet been updated to reflect this change. 285 28620061026: 287 KSE in the kernel has now been made optional and turned on by 288 default. Use 'nooption KSE' in your kernel config to turn it 289 off. All kernel modules *must* be recompiled after this change. 290 There-after, modules from a KSE kernel should be compatible with 291 modules from a NOKSE kernel due to the temporary padding fields 292 added to 'struct proc'. 293 29420060929: 295 mrouted and its utilities have been removed from the base system. 296 29720060927: 298 Some ioctl(2) command codes have changed. Full backward ABI 299 compatibility is provided if the "options COMPAT_FREEBSD6" is 300 present in the kernel configuration file. Make sure to add 301 this option to your kernel config file, or recompile X.Org 302 and the rest of ports; otherwise they may refuse to work. 303 30420060924: 305 tcpslice has been removed from the base system. 306 30720060913: 308 The sizes of struct tcpcb (and struct xtcpcb) have changed due to 309 the rewrite of TCP syncookies. Tools like netstat, sockstat, and 310 systat needs to be rebuilt. 311 31220060903: 313 libpcap updated to v0.9.4 and tcpdump to v3.9.4 314 31520060816: 316 The IPFIREWALL_FORWARD_EXTENDED option is gone and the behaviour 317 for IPFIREWALL_FORWARD is now as it was before when it was first 318 committed and for years after. The behaviour is now ON. 319 32020060725: 321 enigma(1)/crypt(1) utility has been changed on 64 bit architectures. 322 Now it can decrypt files created from different architectures. 323 Unfortunately, it is no longer able to decrypt a cipher text 324 generated with an older version on 64 bit architectures. 325 If you have such a file, you need old utility to decrypt it. 326 32720060709: 328 The interface version of the i4b kernel part has changed. So 329 after updating the kernel sources and compiling a new kernel, 330 the i4b user space tools in "/usr/src/usr.sbin/i4b" must also 331 be rebuilt, and vice versa. 332 33320060627: 334 The XBOX kernel now defaults to the nfe(4) driver instead of 335 the nve(4) driver. Please update your configuration 336 accordingly. 337 33820060514: 339 The i386-only lnc(4) driver for the AMD Am7900 LANCE and Am79C9xx 340 PCnet family of NICs has been removed. The new le(4) driver serves 341 as an equivalent but cross-platform replacement with the pcn(4) 342 driver still providing performance-optimized support for the subset 343 of AMD Am79C971 PCnet-FAST and greater chips as before. 344 34520060511: 346 The machdep.* sysctls and the adjkerntz utility have been 347 modified a bit. The new adjkerntz utility uses the new 348 sysctl names and sysctlbyname() calls, so it may be impossible 349 to run an old /sbin/adjkerntz utility in single-user mode 350 with a new kernel. Replace the `adjkerntz -i' step before 351 `make installworld' with: 352 353 /usr/obj/usr/src/sbin/adjkerntz/adjkerntz -i 354 355 and proceed as usual with the rest of the installworld-stage 356 steps. Otherwise, you risk installing binaries with their 357 timestamp set several hours in the future, especially if 358 you are running with local time set to GMT+X hours. 359 36020060412: 361 The ip6fw utility has been removed. The behavior provided by 362 ip6fw has been in ipfw2 for a good while and the rc.d scripts 363 have been updated to deal with it. There are some rules that 364 might not migrate cleanly. Use rc.firewall6 as a template to 365 rewrite rules. 366 36720060428: 368 The puc(4) driver has been overhauled. The ebus(4) and sbus(4) 369 attachments have been removed. Make sure to configure scc(4) 370 on sparc64. Note also that by default puc(4) will use uart(4) 371 and not sio(4) for serial ports because interrupt handling has 372 been optimized for multi-port serial cards and only uart(4) 373 implements the interface to support it. 374 37520060330: 376 The scc(4) driver replaces puc(4) for Serial Communications 377 Controllers (SCCs) like the Siemens SAB82532 and the Zilog 378 Z8530. On sparc64, it is advised to add scc(4) to the kernel 379 configuration to make sure that the serial ports remain 380 functional. 381 38220060317: 383 Most world/kernel related NO_* build options changed names. 384 New knobs have common prefixes WITHOUT_*/WITH_* (modelled 385 after FreeBSD ports) and should be set in /etc/src.conf 386 (the src.conf(5) manpage is provided). Full backwards 387 compatibility is maintained for the time being though it's 388 highly recommended to start moving old options out of the 389 system-wide /etc/make.conf file into the new /etc/src.conf 390 while also properly renaming them. More conversions will 391 likely follow. Posting to current@: 392 393 http://lists.freebsd.org/pipermail/freebsd-current/2006-March/061725.html 394 39520060305: 396 The NETSMBCRYPTO kernel option has been retired because its 397 functionality is always included in NETSMB and smbfs.ko now. 398 39920060303: 400 The TDFX_LINUX kernel option was retired and replaced by the 401 tdfx_linux device. The latter can be loaded as the 3dfx_linux.ko 402 kernel module. Loading it alone should suffice to get 3dfx support 403 for Linux apps because it will pull in 3dfx.ko and linux.ko through 404 its dependencies. 405 40620060204: 407 The 'audit' group was added to support the new auditing functionality 408 in the base system. Be sure to follow the directions for updating, 409 including the requirement to run mergemaster -p. 410 41120060201: 412 The kernel ABI to file system modules was changed on i386. 413 Please make sure that your kernel and modules are in sync. 414 41520060118: 416 This actually occured some time ago, but installing the kernel 417 now also installs a bunch of symbol files for the kernel modules. 418 This increases the size of /boot/kernel to about 67Mbytes. You 419 will need twice this if you will eventually back this up to kernel.old 420 on your next install. 421 If you have a shortage of room in your root partition, you should add 422 -DINSTALL_NODEBUG to your make arguments or add INSTALL_NODEBUG="yes" 423 to your /etc/make.conf. 424 42520060113: 426 libc's malloc implementation has been replaced. This change has the 427 potential to uncover application bugs that previously went unnoticed. 428 See the malloc(3) manual page for more details. 429 43020060112: 431 The generic netgraph(4) cookie has been changed. If you upgrade 432 kernel passing this point, you also need to upgrade userland 433 and netgraph(4) utilities like ports/net/mpd or ports/net/mpd4. 434 43520060106: 436 si(4)'s device files now contain the unit number. 437 Uses of {cua,tty}A[0-9a-f] should be replaced by {cua,tty}A0[0-9a-f]. 438 43920060106: 440 The kernel ABI was mostly destroyed due to a change in the size 441 of struct lock_object which is nested in other structures such 442 as mutexes which are nested in all sorts of other structures. 443 Make sure your kernel and modules are in sync. 444 44520051231: 446 The page coloring algorithm in the VM subsystem was converted 447 from tuning with kernel options to autotuning. Please remove 448 any PQ_* option except PQ_NOOPT from your kernel config. 449 45020051211: 451 The net80211-related tools in the tools/tools/ath directory 452 have been moved to tools/tools/net80211 and renamed with a 453 "wlan" prefix. Scripts that use them should be adjusted 454 accordingly. 455 45620051202: 457 Scripts in the local_startup directories (as defined in 458 /etc/defaults/rc.conf) that have the new rc.d semantics will 459 now be run as part of the base system rcorder. If there are 460 errors or problems with one of these local scripts, it could 461 cause boot problems. If you encounter such problems, boot in 462 single user mode, remove that script from the */rc.d directory. 463 Please report the problem to the port's maintainer, and the 464 freebsd-ports@freebsd.org mailing list. 465 46620051129: 467 The nodev mount option was deprecated in RELENG_6 (where it 468 was a no-op), and is now unsupported. If you have nodev or dev listed 469 in /etc/fstab, remove it, otherwise it will result in a mount error. 470 47120051129: 472 ABI between ipfw(4) and ipfw(8) has been changed. You need 473 to rebuild ipfw(8) when rebuilding kernel. 474 47520051108: 476 rp(4)'s device files now contain the unit number. 477 Uses of {cua,tty}R[0-9a-f] should be replaced by {cua,tty}R0[0-9a-f]. 478 47920051029: 480 /etc/rc.d/ppp-user has been renamed to /etc/rc.d/ppp. 481 Its /etc/rc.conf.d configuration file has been `ppp' from 482 the beginning, and hence there is no need to touch it. 483 48420051014: 485 Now most modules get their build-time options from the kernel 486 configuration file. A few modules still have fixed options 487 due to their non-conformant implementation, but they will be 488 corrected eventually. You may need to review the options of 489 the modules in use, explicitly specify the non-default options 490 in the kernel configuration file, and rebuild the kernel and 491 modules afterwards. 492 49320051001: 494 kern.polling.enable sysctl MIB is now deprecated. Use ifconfig(8) 495 to turn polling(4) on your interfaces. 496 49720050927: 498 The old bridge(4) implementation was retired. The new 499 if_bridge(4) serves as a full functional replacement. 500 50120050722: 502 The ai_addrlen of a struct addrinfo was changed to a socklen_t 503 to conform to POSIX-2001. This change broke an ABI 504 compatibility on 64 bit architecture. You have to recompile 505 userland programs that use getaddrinfo(3) on 64 bit 506 architecture. 507 50820050711: 509 RELENG_6 branched here. 510 51120050629: 512 The pccard_ifconfig rc.conf variable has been removed and a new 513 variable, ifconfig_DEFAULT has been introduced. Unlike 514 pccard_ifconfig, ifconfig_DEFAULT applies to ALL interfaces that 515 do not have ifconfig_ifn entries rather than just those in 516 removable_interfaces. 517 51820050616: 519 Some previous versions of PAM have permitted the use of 520 non-absolute paths in /etc/pam.conf or /etc/pam.d/* when referring 521 to third party PAM modules in /usr/local/lib. A change has been 522 made to require the use of absolute paths in order to avoid 523 ambiguity and dependence on library path configuration, which may 524 affect existing configurations. 525 52620050610: 527 Major changes to network interface API. All drivers must be 528 recompiled. Drivers not in the base system will need to be 529 updated to the new APIs. 530 53120050609: 532 Changes were made to kinfo_proc in sys/user.h. Please recompile 533 userland, or commands like `fstat', `pkill', `ps', `top' and `w' 534 will not behave correctly. 535 536 The API and ABI for hwpmc(4) have changed with the addition 537 of sampling support. Please recompile lib/libpmc(3) and 538 usr.sbin/{pmcstat,pmccontrol}. 539 54020050606: 541 The OpenBSD dhclient was imported in place of the ISC dhclient 542 and the network interface configuration scripts were updated 543 accordingly. If you use DHCP to configure your interfaces, you 544 must now run devd. Also, DNS updating was lost so you will need 545 to find a workaround if you use this feature. 546 547 The '_dhcp' user was added to support the OpenBSD dhclient. Be 548 sure to run mergemaster -p (like you are supposed to do every time 549 anyway). 550 55120050605: 552 if_bridge was added to the tree. This has changed struct ifnet. 553 Please recompile userland and all network related modules. 554 55520050603: 556 The n_net of a struct netent was changed to an uint32_t, and 557 1st argument of getnetbyaddr() was changed to an uint32_t, to 558 conform to POSIX-2001. These changes broke an ABI 559 compatibility on 64 bit architecture. With these changes, 560 shlib major of libpcap was bumped. You have to recompile 561 userland programs that use getnetbyaddr(3), getnetbyname(3), 562 getnetent(3) and/or libpcap on 64 bit architecture. 563 56420050528: 565 Kernel parsing of extra options on '#!' first lines of shell 566 scripts has changed. Lines with multiple options likely will 567 fail after this date. For full details, please see 568 http://people.freebsd.org/~gad/Updating-20050528.txt 569 57020050503: 571 The packet filter (pf) code has been updated to OpenBSD 3.7 572 Please note the changed anchor syntax and the fact that 573 authpf(8) now needs a mounted fdescfs(5) to function. 574 57520050415: 576 The NO_MIXED_MODE kernel option has been removed from the i386 577 amd64 platforms as its use has been superceded by the new local 578 APIC timer code. Any kernel config files containing this option 579 should be updated. 580 58120050227: 582 The on-disk format of LC_CTYPE files was changed to be machine 583 independent. Please make sure NOT to use NO_CLEAN buildworld 584 when crossing this point. Crossing this point also requires 585 recompile or reinstall of all locale depended packages. 586 58720050225: 588 The ifi_epoch member of struct if_data has been changed to 589 contain the uptime at which the interface was created or the 590 statistics zeroed rather then the wall clock time because 591 wallclock time may go backwards. This should have no impact 592 unless an snmp implementation is using this value (I know of 593 none at this point.) 594 59520050224: 596 The acpi_perf and acpi_throttle drivers are now part of the 597 acpi(4) main module. They are no longer built separately. 598 59920050223: 600 The layout of struct image_params has changed. You have to 601 recompile all compatibility modules (linux, svr4, etc) for use 602 with the new kernel. 603 60420050223: 605 The p4tcc driver has been merged into cpufreq(4). This makes 606 "options CPU_ENABLE_TCC" obsolete. Please load cpufreq.ko or 607 compile in "device cpufreq" to restore this functionality. 608 60920050220: 610 The responsibility of recomputing the file system summary of 611 a SoftUpdates-enabled dirty volume has been transferred to the 612 background fsck. A rebuild of fsck(8) utility is recommended 613 if you have updated the kernel. 614 615 To get the old behavior (recompute file system summary at mount 616 time), you can set vfs.ffs.compute_summary_at_mount=1 before 617 mounting the new volume. 618 61920050206: 620 The cpufreq import is complete. As part of this, the sysctls for 621 acpi(4) throttling have been removed. The power_profile script 622 has been updated, so you can use performance/economy_cpu_freq in 623 rc.conf(5) to set AC on/offline cpu frequencies. 624 62520050206: 626 NG_VERSION has been increased. Recompiling kernel (or ng_socket.ko) 627 requires recompiling libnetgraph and userland netgraph utilities. 628 62920050114: 630 Support for abbreviated forms of a number of ipfw options is 631 now deprecated. Warnings are printed to stderr indicating the 632 correct full form when a match occurs. Some abbreviations may 633 be supported at a later date based on user feedback. To be 634 considered for support, abbreviations must be in use prior to 635 this commit and unlikely to be confused with current key words. 636 63720041221: 638 By a popular demand, a lot of NOFOO options were renamed 639 to NO_FOO (see bsd.compat.mk for a full list). The old 640 spellings are still supported, but will cause annoying 641 warnings on stderr. Make sure you upgrade properly (see 642 the COMMON ITEMS: section later in this file). 643 64420041219: 645 Auto-loading of ancillary wlan modules such as wlan_wep has 646 been temporarily disabled; you need to statically configure 647 the modules you need into your kernel or explicitly load them 648 prior to use. Specifically, if you intend to use WEP encryption 649 with an 802.11 device load/configure wlan_wep; if you want to 650 use WPA with the ath driver load/configure wlan_tkip, wlan_ccmp, 651 and wlan_xauth as required. 652 65320041213: 654 The behaviour of ppp(8) has changed slightly. If lqr is enabled 655 (``enable lqr''), older versions would revert to LCP ECHO mode on 656 negotiation failure. Now, ``enable echo'' is required for this 657 behaviour. The ppp version number has been bumped to 3.4.2 to 658 reflect the change. 659 66020041201: 661 The wlan support has been updated to split the crypto support 662 into separate modules. For static WEP you must configure the 663 wlan_wep module in your system or build and install the module 664 in place where it can be loaded (the kernel will auto-load 665 the module when a wep key is configured). 666 66720041201: 668 The ath driver has been updated to split the tx rate control 669 algorithm into a separate module. You need to include either 670 ath_rate_onoe or ath_rate_amrr when configuring the kernel. 671 67220041116: 673 Support for systems with an 80386 CPU has been removed. Please 674 use FreeBSD 5.x or earlier on systems with an 80386. 675 67620041110: 677 We have had a hack which would mount the root filesystem 678 R/W if the device were named 'md*'. As part of the vnode 679 work I'm doing I have had to remove this hack. People 680 building systems which use preloaded MD root filesystems 681 may need to insert a "/sbin/mount -u -o rw /dev/md0 /" in 682 their /etc/rc scripts. 683 68420041104: 685 FreeBSD 5.3 shipped here. 686 68720041102: 688 The size of struct tcpcb has changed again due to the removal 689 of RFC1644 T/TCP. You have to recompile userland programs that 690 read kmem for tcp sockets directly (netstat, sockstat, etc.) 691 69220041022: 693 The size of struct tcpcb has changed. You have to recompile 694 userland programs that read kmem for tcp sockets directly 695 (netstat, sockstat, etc.) 696 69720041016: 698 RELENG_5 branched here. For older entries, please see updating 699 in the RELENG_5 branch. 700 701COMMON ITEMS: 702 703 General Notes 704 ------------- 705 Avoid using make -j when upgrading. From time to time in the 706 past there have been problems using -j with buildworld and/or 707 installworld. This is especially true when upgrading between 708 "distant" versions (eg one that cross a major release boundary 709 or several minor releases, or when several months have passed 710 on the -current branch). 711 712 Sometimes, obscure build problems are the result of environment 713 poisoning. This can happen because the make utility reads its 714 environment when searching for values for global variables. 715 To run your build attempts in an "environmental clean room", 716 prefix all make commands with 'env -i '. See the env(1) manual 717 page for more details. 718 719 When upgrading from one major version to another it is generally 720 best to upgrade to the latest code in the currently installed branch 721 first, then do an upgrade to the new branch. This is the best-tested 722 upgrade path, and has the highest probability of being successful. 723 Please try this approach before reporting problems with a major 724 version upgrade. 725 726 To build a kernel 727 ----------------- 728 If you are updating from a prior version of FreeBSD (even one just 729 a few days old), you should follow this procedure. It is the most 730 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 731 732 make kernel-toolchain 733 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 734 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 735 736 To test a kernel once 737 --------------------- 738 If you just want to boot a kernel once (because you are not sure 739 if it works, or if you want to boot a known bad kernel to provide 740 debugging information) run 741 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 742 nextboot -k testkernel 743 744 To just build a kernel when you know that it won't mess you up 745 -------------------------------------------------------------- 746 This assumes you are already running a 5.X system. Replace 747 ${arch} with the architecture of your machine (e.g. "i386", 748 "alpha", "amd64", "ia64", "pc98", "sparc64", etc). 749 750 cd src/sys/${arch}/conf 751 config KERNEL_NAME_HERE 752 cd ../compile/KERNEL_NAME_HERE 753 make depend 754 make 755 make install 756 757 If this fails, go to the "To build a kernel" section. 758 759 To rebuild everything and install it on the current system. 760 ----------------------------------------------------------- 761 # Note: sometimes if you are running current you gotta do more than 762 # is listed here if you are upgrading from a really old current. 763 764 <make sure you have good level 0 dumps> 765 make buildworld 766 make kernel KERNCONF=YOUR_KERNEL_HERE 767 [1] 768 <reboot in single user> [3] 769 mergemaster -p [5] 770 make installworld 771 make delete-old 772 mergemaster [4] 773 <reboot> 774 775 776 To cross-install current onto a separate partition 777 -------------------------------------------------- 778 # In this approach we use a separate partition to hold 779 # current's root, 'usr', and 'var' directories. A partition 780 # holding "/", "/usr" and "/var" should be about 2GB in 781 # size. 782 783 <make sure you have good level 0 dumps> 784 <boot into -stable> 785 make buildworld 786 make buildkernel KERNCONF=YOUR_KERNEL_HERE 787 <maybe newfs current's root partition> 788 <mount current's root partition on directory ${CURRENT_ROOT}> 789 make installworld DESTDIR=${CURRENT_ROOT} 790 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 791 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 792 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 793 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 794 <reboot into current> 795 <do a "native" rebuild/install as described in the previous section> 796 <maybe install compatibility libraries from src/lib/compat> 797 <reboot> 798 799 800 To upgrade in-place from 5.x-stable to current 801 ---------------------------------------------- 802 <make sure you have good level 0 dumps> 803 make buildworld [9] 804 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 805 [1] 806 <reboot in single user> [3] 807 mergemaster -p [5] 808 make installworld 809 make delete-old 810 mergemaster -i [4] 811 <reboot> 812 813 Make sure that you've read the UPDATING file to understand the 814 tweaks to various things you need. At this point in the life 815 cycle of current, things change often and you are on your own 816 to cope. The defaults can also change, so please read ALL of 817 the UPDATING entries. 818 819 Also, if you are tracking -current, you must be subscribed to 820 freebsd-current@freebsd.org. Make sure that before you update 821 your sources that you have read and understood all the recent 822 messages there. If in doubt, please track -stable which has 823 much fewer pitfalls. 824 825 [1] If you have third party modules, such as vmware, you 826 should disable them at this point so they don't crash your 827 system on reboot. 828 829 [3] From the bootblocks, boot -s, and then do 830 fsck -p 831 mount -u / 832 mount -a 833 cd src 834 adjkerntz -i # if CMOS is wall time 835 Also, when doing a major release upgrade, it is required that 836 you boot into single user mode to do the installworld. 837 838 [4] Note: This step is non-optional. Failure to do this step 839 can result in a significant reduction in the functionality of the 840 system. Attempting to do it by hand is not recommended and those 841 that pursue this avenue should read this file carefully, as well 842 as the archives of freebsd-current and freebsd-hackers mailing lists 843 for potential gotchas. 844 845 [5] Usually this step is a noop. However, from time to time 846 you may need to do this if you get unknown user in the following 847 step. It never hurts to do it all the time. You may need to 848 install a new mergemaster (cd src/usr.sbin/mergemaster && make 849 install) after the buildworld before this step if you last updated 850 from current before 20020224 or from -stable before 20020408. 851 852 [8] In order to have a kernel that can run the 4.x binaries 853 needed to do an installworld, you must include the COMPAT_FREEBSD4 854 option in your kernel. Failure to do so may leave you with a system 855 that is hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 856 is required to run the 5.x binaries on more recent kernels. 857 858 Make sure that you merge any new devices from GENERIC since the 859 last time you updated your kernel config file. 860 861 [9] When checking out sources, you must include the -P flag to have 862 cvs prune empty directories. 863 864 If CPUTYPE is defined in your /etc/make.conf, make sure to use the 865 "?=" instead of the "=" assignment operator, so that buildworld can 866 override the CPUTYPE if it needs to. 867 868 MAKEOBJDIRPREFIX must be defined in an environment variable, and 869 not on the command line, or in /etc/make.conf. buildworld will 870 warn if it is improperly defined. 871FORMAT: 872 873This file contains a list, in reverse chronological order, of major 874breakages in tracking -current. Not all things will be listed here, 875and it only starts on October 16, 2004. Updating files can found in 876previous releases if your system is older than this. 877 878Copyright information: 879 880Copyright 1998-2005 M. Warner Losh. All Rights Reserved. 881 882Redistribution, publication, translation and use, with or without 883modification, in full or in part, in any form or format of this 884document are permitted without further permission from the author. 885 886THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 887IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 888WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 889DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 890INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 891(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 892SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 893HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 894STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 895IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 896POSSIBILITY OF SUCH DAMAGE. 897 898If you find this document useful, and you want to, you may buy the 899author a beer. 900 901Contact Warner Losh if you have any questions about your use of 902this document. 903 904$FreeBSD: head/UPDATING 172394 2007-09-30 11:05:18Z marius $ 905