UPDATING revision 166939
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 2420070224: 25 The IPv6 multicast forwarding code may now be loaded into GENERIC 26 kernels by loading the ip_mroute.ko module. 27 The module build heeds the MK_INET6_SUPPORT make.conf option; it 28 may be set to "no" to omit building the IPv6 support. 29 3020070218: 31 The following build error may appear when upgrading from an old 32 -current (usr.sbin/bsnmpd/modules/snmp_bridge, depend stage): 33 line 31: '(' expected at begin of node 34 context: " TruthValue ENUM ( 35 *** Error code 1 36 If so, run "make install" in usr.sbin/bsnmpd/gensnmptree. (It 37 should probably be a build tool). In the same module, you may 38 also get the error: 39 ...snmp_bridge/bridge_sys.c:39:27: 40 net/bridgestp.h: No such file or directory 41 If so, run "cp src/sys/net/bridgestp.h /usr/include/net". 42 4320070214: 44 The output of netstat -r has changed. Without -n, we now only 45 print a "network name" without the prefix length if the network 46 address and mask exactly match a Class A/B/C network, and an entry 47 exists in the nsswitch "networks" map. 48 With -n, we print the full unabbreviated CIDR network prefix in 49 the form "a.b.c.d/p". 0.0.0.0/0 is always printed as "default". 50 This change is in preparation for changes such as equal-cost 51 multipath, and to more generally assist operational deployment 52 of FreeBSD as a modern IPv4 router. 53 5420070210: 55 PIM has been turned on by default in the IPv4 multicast 56 routing code. The kernel option 'PIM' has now been removed. 57 PIM is now built by default if option 'MROUTING' is specified. 58 It may now be loaded into GENERIC kernels by loading the 59 ip_mroute.ko module. 60 6120070207: 62 Support for IPIP tunnels (VIFF_TUNNEL) in IPv4 multicast routing 63 has been removed. Its functionality may be achieved by explicitly 64 configuring gif(4) interfaces and using the 'phyint' keyword in 65 mrouted.conf. 66 XORP does not support source-routed IPv4 multicast tunnels nor the 67 integrated IPIP tunneling, therefore it is not affected by this 68 change. The __FreeBSD_version macro has been bumped to 700030. 69 7020061221: 71 Support for PCI Message Signalled Interrupts has been 72 re-enabled in the bge driver, only for those chips which are 73 believed to support it properly. If there are any problems, 74 MSI can be disabled completely by setting the 75 'hw.pci.enable_msi' and 'hw.pci.enable_msix' tunables to 0 76 in the loader. 77 7820061214: 79 Support for PCI Message Signalled Interrupts has been 80 disabled again in the bge driver. Many revisions of the 81 hardware fail to support it properly. Support can be 82 re-enabled by removing the #define of BGE_DISABLE_MSI in 83 "src/sys/dev/bge/if_bge.c". 84 8520061214: 86 Support for PCI Message Signalled Interrupts has been added 87 to the bge driver. If there are any problems, MSI can be 88 disabled completely by setting the 'hw.pci.enable_msi' and 89 'hw.pci.enable_msix' tunables to 0 in the loader. 90 9120061205: 92 The removal of several facets of the experimental Threading 93 system from the kernel means that the proc and thread structures 94 have changed quite a bit. I suggest all kernel modules that might 95 reference these structures be recompiled.. Especially the 96 linux module. 97 9820061126: 99 Sound infrastructure has been updated with various fixes and 100 improvements. Most of the changes are pretty much transparent, 101 with exceptions of followings: 102 1) All sound driver specific sysctls (hw.snd.pcm%d.*) have been 103 moved to their own dev sysctl nodes, for example: 104 hw.snd.pcm0.vchans -> dev.pcm.0.vchans 105 2) /dev/dspr%d.%d has been deprecated. Each channel now has its 106 own chardev in the form of "dsp%d.<function>%d", where <function> 107 is p = playback, r = record and v = virtual, respectively. Users 108 are encouraged to use these devs instead of (old) "/dev/dsp%d.%d". 109 This does not affect those who are using "/dev/dsp". 110 11120061122: 112 The following binaries have been disconnected from the build: 113 mount_devfs, mount_ext2fs, mount_fdescfs, mount_procfs, mount_linprocfs, 114 and mount_std. The functionality of these programs has been 115 moved into the mount program. For example, to mount a devfs 116 filesystem, instead of using mount_devfs, use: "mount -t devfs". 117 This does not affect entries in /etc/fstab, since entries in 118 /etc/fstab are always processed with "mount -t fstype". 119 12020061113: 121 Support for PCI Message Signalled Interrupts on i386 and amd64 122 has been added to the kernel and various drivers will soon be 123 updated to use MSI when it is available. If there are any problems, 124 MSI can be disabled completely by setting the 'hw.pci.enable_msi' 125 and 'hw.pci.enable_msix' tunables to 0 in the loader. 126 12720061110: 128 The MUTEX_PROFILING option has been renamed to LOCK_PROFILING. 129 The lockmgr object layout has been changed as a result of having 130 a lock_object embedded in it. As a consequence all file system 131 kernel modules must be re-compiled. The mutex profiling man page 132 has not yet been updated to reflect this change. 133 13420061026: 135 KSE in the kernel has now been made optional and turned on by 136 default. Use 'nooption KSE' in your kernel config to turn it 137 off. All kernel modules *must* be recompiled after this change. 138 There-after, modules from a KSE kernel should be compatible with 139 modules from a NOKSE kernel due to the temporary padding fields 140 added to 'struct proc'. 141 14220060929: 143 mrouted and its utilities have been removed from the base system. 144 14520060927: 146 Some ioctl(2) command codes have changed. Full backward ABI 147 compatibility is provided if the "options COMPAT_FREEBSD6" is 148 present in the kernel configuration file. Make sure to add 149 this option to your kernel config file, or recompile X.Org 150 and the rest of ports; otherwise they may refuse to work. 151 15220060924: 153 tcpslice has been removed from the base system. 154 15520060913: 156 The sizes of struct tcpcb (and struct xtcpcb) have changed due to 157 the rewrite of TCP syncookies. Tools like netstat, sockstat, and 158 systat needs to be rebuilt. 159 16020060903: 161 libpcap updated to v0.9.4 and tcpdump to v3.9.4 162 16320060816: 164 The IPFIREWALL_FORWARD_EXTENDED option is gone and the behaviour 165 for IPFIREWALL_FORWARD is now as it was before when it was first 166 committed and for years after. The behaviour is now ON. 167 16820060725: 169 enigma(1)/crypt(1) utility has been changed on 64 bit architectures. 170 Now it can decrypt files created from different architectures. 171 Unfortunately, it is no longer able to decrypt a cipher text 172 generated with an older version on 64 bit architectures. 173 If you have such a file, you need old utility to decrypt it. 174 17520060709: 176 The interface version of the i4b kernel part has changed. So 177 after updating the kernel sources and compiling a new kernel, 178 the i4b user space tools in "/usr/src/usr.sbin/i4b" must also 179 be rebuilt, and vice versa. 180 18120060627: 182 The XBOX kernel now defaults to the nfe(4) driver instead of 183 the nve(4) driver. Please update your configuration 184 accordingly. 185 18620060514: 187 The i386-only lnc(4) driver for the AMD Am7900 LANCE and Am79C9xx 188 PCnet family of NICs has been removed. The new le(4) driver serves 189 as an equivalent but cross-platform replacement with the pcn(4) 190 driver still providing performance-optimized support for the subset 191 of AMD Am79C971 PCnet-FAST and greater chips as before. 192 19320060511: 194 The machdep.* sysctls and the adjkerntz utility have been 195 modified a bit. The new adjkerntz utility uses the new 196 sysctl names and sysctlbyname() calls, so it may be impossible 197 to run an old /sbin/adjkerntz utility in single-user mode 198 with a new kernel. Replace the `adjkerntz -i' step before 199 `make installworld' with: 200 201 /usr/obj/usr/src/sbin/adjkerntz/adjkerntz -i 202 203 and proceed as usual with the rest of the installworld-stage 204 steps. Otherwise, you risk installing binaries with their 205 timestamp set several hours in the future, especially if 206 you are running with local time set to GMT+X hours. 207 20820060412: 209 The ip6fw utility has been removed. The behavior provided by 210 ip6fw has been in ipfw2 for a good while and the rc.d scripts 211 have been updated to deal with it. There are some rules that 212 might not migrate cleanly. Use rc.firewall6 as a template to 213 rewrite rules. 214 21520060428: 216 The puc(4) driver has been overhauled. The ebus(4) and sbus(4) 217 attachments have been removed. Make sure to configure scc(4) 218 on sparc64. Note also that by default puc(4) will use uart(4) 219 and not sio(4) for serial ports because interrupt handling has 220 been optimized for multi-port serial cards and only uart(4) 221 implements the interface to support it. 222 22320060330: 224 The scc(4) driver replaces puc(4) for Serial Communications 225 Controllers (SCCs) like the Siemens SAB82532 and the Zilog 226 Z8530. On sparc64, it is advised to add scc(4) to the kernel 227 configuration to make sure that the serial ports remain 228 functional. 229 23020060317: 231 Most world/kernel related NO_* build options changed names. 232 New knobs have common prefixes WITHOUT_*/WITH_* (modelled 233 after FreeBSD ports) and should be set in /etc/src.conf 234 (the src.conf(5) manpage is provided). Full backwards 235 compatibility is maintained for the time being though it's 236 highly recommended to start moving old options out of the 237 system-wide /etc/make.conf file into the new /etc/src.conf 238 while also properly renaming them. More conversions will 239 likely follow. Posting to current@: 240 241 http://lists.freebsd.org/pipermail/freebsd-current/2006-March/061725.html 242 24320060305: 244 The NETSMBCRYPTO kernel option has been retired because its 245 functionality is always included in NETSMB and smbfs.ko now. 246 24720060303: 248 The TDFX_LINUX kernel option was retired and replaced by the 249 tdfx_linux device. The latter can be loaded as the 3dfx_linux.ko 250 kernel module. Loading it alone should suffice to get 3dfx support 251 for Linux apps because it will pull in 3dfx.ko and linux.ko through 252 its dependencies. 253 25420060204: 255 The 'audit' group was added to support the new auditing functionality 256 in the base system. Be sure to follow the directions for updating, 257 including the requirement to run mergemaster -p. 258 25920060201: 260 The kernel ABI to file system modules was changed on i386. 261 Please make sure that your kernel and modules are in sync. 262 26320060118: 264 This actually occured some time ago, but installing the kernel 265 now also installs a bunch of symbol files for the kernel modules. 266 This increases the size of /boot/kernel to about 67Mbytes. You 267 will need twice this if you will eventually back this up to kernel.old 268 on your next install. 269 If you have a shortage of room in your root partition, you should add 270 -DINSTALL_NODEBUG to your make arguments or add INSTALL_NODEBUG="yes" 271 to your /etc/make.conf. 272 27320060113: 274 libc's malloc implementation has been replaced. This change has the 275 potential to uncover application bugs that previously went unnoticed. 276 See the malloc(3) manual page for more details. 277 27820060112: 279 The generic netgraph(4) cookie has been changed. If you upgrade 280 kernel passing this point, you also need to upgrade userland 281 and netgraph(4) utilities like ports/net/mpd or ports/net/mpd4. 282 28320060106: 284 si(4)'s device files now contain the unit number. 285 Uses of {cua,tty}A[0-9a-f] should be replaced by {cua,tty}A0[0-9a-f]. 286 28720060106: 288 The kernel ABI was mostly destroyed due to a change in the size 289 of struct lock_object which is nested in other structures such 290 as mutexes which are nested in all sorts of other structures. 291 Make sure your kernel and modules are in sync. 292 29320051231: 294 The page coloring algorithm in the VM subsystem was converted 295 from tuning with kernel options to autotuning. Please remove 296 any PQ_* option except PQ_NOOPT from your kernel config. 297 29820051211: 299 The net80211-related tools in the tools/tools/ath directory 300 have been moved to tools/tools/net80211 and renamed with a 301 "wlan" prefix. Scripts that use them should be adjusted 302 accordingly. 303 30420051202: 305 Scripts in the local_startup directories (as defined in 306 /etc/defaults/rc.conf) that have the new rc.d semantics will 307 now be run as part of the base system rcorder. If there are 308 errors or problems with one of these local scripts, it could 309 cause boot problems. If you encounter such problems, boot in 310 single user mode, remove that script from the */rc.d directory. 311 Please report the problem to the port's maintainer, and the 312 freebsd-ports@freebsd.org mailing list. 313 31420051129: 315 The nodev mount option was deprecated in RELENG_6 (where it 316 was a no-op), and is now unsupported. If you have nodev or dev listed 317 in /etc/fstab, remove it, otherwise it will result in a mount error. 318 31920051129: 320 ABI between ipfw(4) and ipfw(8) has been changed. You need 321 to rebuild ipfw(8) when rebuilding kernel. 322 32320051108: 324 rp(4)'s device files now contain the unit number. 325 Uses of {cua,tty}R[0-9a-f] should be replaced by {cua,tty}R0[0-9a-f]. 326 32720051029: 328 /etc/rc.d/ppp-user has been renamed to /etc/rc.d/ppp. 329 Its /etc/rc.conf.d configuration file has been `ppp' from 330 the beginning, and hence there is no need to touch it. 331 33220051014: 333 Now most modules get their build-time options from the kernel 334 configuration file. A few modules still have fixed options 335 due to their non-conformant implementation, but they will be 336 corrected eventually. You may need to review the options of 337 the modules in use, explicitly specify the non-default options 338 in the kernel configuration file, and rebuild the kernel and 339 modules afterwards. 340 34120051001: 342 kern.polling.enable sysctl MIB is now deprecated. Use ifconfig(8) 343 to turn polling(4) on your interfaces. 344 34520050927: 346 The old bridge(4) implementation was retired. The new 347 if_bridge(4) serves as a full functional replacement. 348 34920050722: 350 The ai_addrlen of a struct addrinfo was changed to a socklen_t 351 to conform to POSIX-2001. This change broke an ABI 352 compatibility on 64 bit architecture. You have to recompile 353 userland programs that use getaddrinfo(3) on 64 bit 354 architecture. 355 35620050711: 357 RELENG_6 branched here. 358 35920050629: 360 The pccard_ifconfig rc.conf variable has been removed and a new 361 variable, ifconfig_DEFAULT has been introduced. Unlike 362 pccard_ifconfig, ifconfig_DEFAULT applies to ALL interfaces that 363 do not have ifconfig_ifn entries rather than just those in 364 removable_interfaces. 365 36620050616: 367 Some previous versions of PAM have permitted the use of 368 non-absolute paths in /etc/pam.conf or /etc/pam.d/* when referring 369 to third party PAM modules in /usr/local/lib. A change has been 370 made to require the use of absolute paths in order to avoid 371 ambiguity and dependence on library path configuration, which may 372 affect existing configurations. 373 37420050610: 375 Major changes to network interface API. All drivers must be 376 recompiled. Drivers not in the base system will need to be 377 updated to the new APIs. 378 37920050609: 380 Changes were made to kinfo_proc in sys/user.h. Please recompile 381 userland, or commands like `fstat', `pkill', `ps', `top' and `w' 382 will not behave correctly. 383 384 The API and ABI for hwpmc(4) have changed with the addition 385 of sampling support. Please recompile lib/libpmc(3) and 386 usr.sbin/{pmcstat,pmccontrol}. 387 38820050606: 389 The OpenBSD dhclient was imported in place of the ISC dhclient 390 and the network interface configuration scripts were updated 391 accordingly. If you use DHCP to configure your interfaces, you 392 must now run devd. Also, DNS updating was lost so you will need 393 to find a workaround if you use this feature. 394 395 The '_dhcp' user was added to support the OpenBSD dhclient. Be 396 sure to run mergemaster -p (like you are supposed to do every time 397 anyway). 398 39920050605: 400 if_bridge was added to the tree. This has changed struct ifnet. 401 Please recompile userland and all network related modules. 402 40320050603: 404 The n_net of a struct netent was changed to an uint32_t, and 405 1st argument of getnetbyaddr() was changed to an uint32_t, to 406 conform to POSIX-2001. These changes broke an ABI 407 compatibility on 64 bit architecture. With these changes, 408 shlib major of libpcap was bumped. You have to recompile 409 userland programs that use getnetbyaddr(3), getnetbyname(3), 410 getnetent(3) and/or libpcap on 64 bit architecture. 411 41220050528: 413 Kernel parsing of extra options on '#!' first lines of shell 414 scripts has changed. Lines with multiple options likely will 415 fail after this date. For full details, please see 416 http://people.freebsd.org/~gad/Updating-20050528.txt 417 41820050503: 419 The packet filter (pf) code has been updated to OpenBSD 3.7 420 Please note the changed anchor syntax and the fact that 421 authpf(8) now needs a mounted fdescfs(5) to function. 422 42320050415: 424 The NO_MIXED_MODE kernel option has been removed from the i386 425 amd64 platforms as its use has been superceded by the new local 426 APIC timer code. Any kernel config files containing this option 427 should be updated. 428 42920050227: 430 The on-disk format of LC_CTYPE files was changed to be machine 431 independent. Please make sure NOT to use NO_CLEAN buildworld 432 when crossing this point. Crossing this point also requires 433 recompile or reinstall of all locale depended packages. 434 43520050225: 436 The ifi_epoch member of struct if_data has been changed to 437 contain the uptime at which the interface was created or the 438 statistics zeroed rather then the wall clock time because 439 wallclock time may go backwards. This should have no impact 440 unless an snmp implementation is using this value (I know of 441 none at this point.) 442 44320050224: 444 The acpi_perf and acpi_throttle drivers are now part of the 445 acpi(4) main module. They are no longer built separately. 446 44720050223: 448 The layout of struct image_params has changed. You have to 449 recompile all compatibility modules (linux, svr4, etc) for use 450 with the new kernel. 451 45220050223: 453 The p4tcc driver has been merged into cpufreq(4). This makes 454 "options CPU_ENABLE_TCC" obsolete. Please load cpufreq.ko or 455 compile in "device cpufreq" to restore this functionality. 456 45720050220: 458 The responsibility of recomputing the file system summary of 459 a SoftUpdates-enabled dirty volume has been transferred to the 460 background fsck. A rebuild of fsck(8) utility is recommended 461 if you have updated the kernel. 462 463 To get the old behavior (recompute file system summary at mount 464 time), you can set vfs.ffs.compute_summary_at_mount=1 before 465 mounting the new volume. 466 46720050206: 468 The cpufreq import is complete. As part of this, the sysctls for 469 acpi(4) throttling have been removed. The power_profile script 470 has been updated, so you can use performance/economy_cpu_freq in 471 rc.conf(5) to set AC on/offline cpu frequencies. 472 47320050206: 474 NG_VERSION has been increased. Recompiling kernel (or ng_socket.ko) 475 requires recompiling libnetgraph and userland netgraph utilities. 476 47720050114: 478 Support for abbreviated forms of a number of ipfw options is 479 now deprecated. Warnings are printed to stderr indicating the 480 correct full form when a match occurs. Some abbreviations may 481 be supported at a later date based on user feedback. To be 482 considered for support, abbreviations must be in use prior to 483 this commit and unlikely to be confused with current key words. 484 48520041221: 486 By a popular demand, a lot of NOFOO options were renamed 487 to NO_FOO (see bsd.compat.mk for a full list). The old 488 spellings are still supported, but will cause annoying 489 warnings on stderr. Make sure you upgrade properly (see 490 the COMMON ITEMS: section later in this file). 491 49220041219: 493 Auto-loading of ancillary wlan modules such as wlan_wep has 494 been temporarily disabled; you need to statically configure 495 the modules you need into your kernel or explicitly load them 496 prior to use. Specifically, if you intend to use WEP encryption 497 with an 802.11 device load/configure wlan_wep; if you want to 498 use WPA with the ath driver load/configure wlan_tkip, wlan_ccmp, 499 and wlan_xauth as required. 500 50120041213: 502 The behaviour of ppp(8) has changed slightly. If lqr is enabled 503 (``enable lqr''), older versions would revert to LCP ECHO mode on 504 negotiation failure. Now, ``enable echo'' is required for this 505 behaviour. The ppp version number has been bumped to 3.4.2 to 506 reflect the change. 507 50820041201: 509 The wlan support has been updated to split the crypto support 510 into separate modules. For static WEP you must configure the 511 wlan_wep module in your system or build and install the module 512 in place where it can be loaded (the kernel will auto-load 513 the module when a wep key is configured). 514 51520041201: 516 The ath driver has been updated to split the tx rate control 517 algorithm into a separate module. You need to include either 518 ath_rate_onoe or ath_rate_amrr when configuring the kernel. 519 52020041116: 521 Support for systems with an 80386 CPU has been removed. Please 522 use FreeBSD 5.x or earlier on systems with an 80386. 523 52420041110: 525 We have had a hack which would mount the root filesystem 526 R/W if the device were named 'md*'. As part of the vnode 527 work I'm doing I have had to remove this hack. People 528 building systems which use preloaded MD root filesystems 529 may need to insert a "/sbin/mount -u -o rw /dev/md0 /" in 530 their /etc/rc scripts. 531 53220041104: 533 FreeBSD 5.3 shipped here. 534 53520041102: 536 The size of struct tcpcb has changed again due to the removal 537 of RFC1644 T/TCP. You have to recompile userland programs that 538 read kmem for tcp sockets directly (netstat, sockstat, etc.) 539 54020041022: 541 The size of struct tcpcb has changed. You have to recompile 542 userland programs that read kmem for tcp sockets directly 543 (netstat, sockstat, etc.) 544 54520041016: 546 RELENG_5 branched here. For older entries, please see updating 547 in the RELENG_5 branch. 548 549COMMON ITEMS: 550 551 General Notes 552 ------------- 553 Avoid using make -j when upgrading. From time to time in the 554 past there have been problems using -j with buildworld and/or 555 installworld. This is especially true when upgrading between 556 "distant" versions (eg one that cross a major release boundary 557 or several minor releases, or when several months have passed 558 on the -current branch). 559 560 Sometimes, obscure build problems are the result of environment 561 poisoning. This can happen because the make utility reads its 562 environment when searching for values for global variables. 563 To run your build attempts in an "environmental clean room", 564 prefix all make commands with 'env -i '. See the env(1) manual 565 page for more details. 566 567 When upgrading from one major version to another it is generally 568 best to upgrade to the latest code in the currently installed branch 569 first, then do an upgrade to the new branch. This is the best-tested 570 upgrade path, and has the highest probability of being successful. 571 Please try this approach before reporting problems with a major 572 version upgrade. 573 574 To build a kernel 575 ----------------- 576 If you are updating from a prior version of FreeBSD (even one just 577 a few days old), you should follow this procedure. It is the most 578 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 579 580 make kernel-toolchain 581 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 582 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 583 584 To test a kernel once 585 --------------------- 586 If you just want to boot a kernel once (because you are not sure 587 if it works, or if you want to boot a known bad kernel to provide 588 debugging information) run 589 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 590 nextboot -k testkernel 591 592 To just build a kernel when you know that it won't mess you up 593 -------------------------------------------------------------- 594 This assumes you are already running a 5.X system. Replace 595 ${arch} with the architecture of your machine (e.g. "i386", 596 "alpha", "amd64", "ia64", "pc98", "sparc64", etc). 597 598 cd src/sys/${arch}/conf 599 config KERNEL_NAME_HERE 600 cd ../compile/KERNEL_NAME_HERE 601 make depend 602 make 603 make install 604 605 If this fails, go to the "To build a kernel" section. 606 607 To rebuild everything and install it on the current system. 608 ----------------------------------------------------------- 609 # Note: sometimes if you are running current you gotta do more than 610 # is listed here if you are upgrading from a really old current. 611 612 <make sure you have good level 0 dumps> 613 make buildworld 614 make kernel KERNCONF=YOUR_KERNEL_HERE 615 [1] 616 <reboot in single user> [3] 617 mergemaster -p [5] 618 make installworld 619 make delete-old 620 mergemaster [4] 621 <reboot> 622 623 624 To cross-install current onto a separate partition 625 -------------------------------------------------- 626 # In this approach we use a separate partition to hold 627 # current's root, 'usr', and 'var' directories. A partition 628 # holding "/", "/usr" and "/var" should be about 2GB in 629 # size. 630 631 <make sure you have good level 0 dumps> 632 <boot into -stable> 633 make buildworld 634 make buildkernel KERNCONF=YOUR_KERNEL_HERE 635 <maybe newfs current's root partition> 636 <mount current's root partition on directory ${CURRENT_ROOT}> 637 make installworld DESTDIR=${CURRENT_ROOT} 638 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 639 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 640 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 641 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 642 <reboot into current> 643 <do a "native" rebuild/install as described in the previous section> 644 <maybe install compatibility libraries from src/lib/compat> 645 <reboot> 646 647 648 To upgrade in-place from 5.x-stable to current 649 ---------------------------------------------- 650 <make sure you have good level 0 dumps> 651 make buildworld [9] 652 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 653 [1] 654 <reboot in single user> [3] 655 mergemaster -p [5] 656 make installworld 657 make delete-old 658 mergemaster -i [4] 659 <reboot> 660 661 Make sure that you've read the UPDATING file to understand the 662 tweaks to various things you need. At this point in the life 663 cycle of current, things change often and you are on your own 664 to cope. The defaults can also change, so please read ALL of 665 the UPDATING entries. 666 667 Also, if you are tracking -current, you must be subscribed to 668 freebsd-current@freebsd.org. Make sure that before you update 669 your sources that you have read and understood all the recent 670 messages there. If in doubt, please track -stable which has 671 much fewer pitfalls. 672 673 [1] If you have third party modules, such as vmware, you 674 should disable them at this point so they don't crash your 675 system on reboot. 676 677 [3] From the bootblocks, boot -s, and then do 678 fsck -p 679 mount -u / 680 mount -a 681 cd src 682 adjkerntz -i # if CMOS is wall time 683 Also, when doing a major release upgrade, it is required that 684 you boot into single user mode to do the installworld. 685 686 [4] Note: This step is non-optional. Failure to do this step 687 can result in a significant reduction in the functionality of the 688 system. Attempting to do it by hand is not recommended and those 689 that pursue this avenue should read this file carefully, as well 690 as the archives of freebsd-current and freebsd-hackers mailing lists 691 for potential gotchas. 692 693 [5] Usually this step is a noop. However, from time to time 694 you may need to do this if you get unknown user in the following 695 step. It never hurts to do it all the time. You may need to 696 install a new mergemaster (cd src/usr.sbin/mergemaster && make 697 install) after the buildworld before this step if you last updated 698 from current before 20020224 or from -stable before 20020408. 699 700 [8] In order to have a kernel that can run the 4.x binaries 701 needed to do an installworld, you must include the COMPAT_FREEBSD4 702 option in your kernel. Failure to do so may leave you with a system 703 that is hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 704 is required to run the 5.x binaries on more recent kernels. 705 706 Make sure that you merge any new devices from GENERIC since the 707 last time you updated your kernel config file. 708 709 [9] When checking out sources, you must include the -P flag to have 710 cvs prune empty directories. 711 712 If CPUTYPE is defined in your /etc/make.conf, make sure to use the 713 "?=" instead of the "=" assignment operator, so that buildworld can 714 override the CPUTYPE if it needs to. 715 716 MAKEOBJDIRPREFIX must be defined in an environment variable, and 717 not on the command line, or in /etc/make.conf. buildworld will 718 warn if it is improperly defined. 719FORMAT: 720 721This file contains a list, in reverse chronological order, of major 722breakages in tracking -current. Not all things will be listed here, 723and it only starts on October 16, 2004. Updating files can found in 724previous releases if your system is older than this. 725 726Copyright information: 727 728Copyright 1998-2005 M. Warner Losh. All Rights Reserved. 729 730Redistribution, publication, translation and use, with or without 731modification, in full or in part, in any form or format of this 732document are permitted without further permission from the author. 733 734THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 735IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 736WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 737DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 738INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 739(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 740SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 741HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 742STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 743IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 744POSSIBILITY OF SUCH DAMAGE. 745 746If you find this document useful, and you want to, you may buy the 747author a beer. 748 749Contact Warner Losh if you have any questions about your use of 750this document. 751 752$FreeBSD: head/UPDATING 166939 2007-02-24 11:41:05Z bms $ 753