UPDATING revision 178017
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 2520080408: 26 psm(4) has gained write(2) support in native operation level. 27 Arbitrary commands can be written to /dev/psm%d and status can 28 be read back from it. Therefore, an application is responsible 29 for status validation and error recovery. It is a no-op in 30 other operation levels. 31 3220080312: 33 Support for KSE threading has been removed from the kernel. To 34 run legacy applications linked against KSE libmap.conf may 35 be used. The following libmap.conf may be used to ensure 36 compatibility with any prior release: 37 38 libpthread.so.1 libthr.so.1 39 libpthread.so.2 libthr.so.2 40 libkse.so.3 libthr.so.3 41 4220080301: 43 The layout of struct vmspace has changed. This affects libkvm 44 and any executables that link against libkvm and use the 45 kvm_getprocs() function. In particular, but not exclusively, 46 it affects ps(1), fstat(1), pkill(1), systat(1), top(1) and w(1). 47 The effects are minimal, but it's advisable to upgrade world 48 nonetheless. 49 5020080229: 51 The latest em driver no longer has support in it for the 52 82575 adapter, this is now moved to the igb driver. The 53 split was done to make new features that are incompatible 54 with older hardware easier to do. 55 5620080220: 57 The new geom_lvm(4) geom class has been renamed to geom_linux_lvm(4), 58 likewise the kernel option is now GEOM_LINUX_LVM. 59 6020080211: 61 The default NFS mount mode has changed from UDP to TCP for 62 increased reliability. If you rely on (insecurely) NFS 63 mounting across a firewall you may need to update your 64 firewall rules. 65 6620080208: 67 Belatedly note the addition of m_collapse for compacting 68 mbuf chains. 69 7020080126: 71 The fts(3) structures have been changed to use adequate 72 integer types for their members and so to be able to cope 73 with huge file trees. The old fts(3) ABI is preserved 74 through symbol versioning in libc, so third-party binaries 75 using fts(3) should still work, although they will not take 76 advantage of the extended types. At the same time, some 77 third-party software might fail to build after this change 78 due to unportable assumptions made in its source code about 79 fts(3) structure members. Such software should be fixed 80 by its vendor or, in the worst case, in the ports tree. 81 FreeBSD_version 800015 marks this change for the unlikely 82 case that a portable fix is impossible. 83 8420080123: 85 To upgrade to -current after this date, you must be running 86 FreeBSD not older than 6.0-RELEASE. Upgrading to -current 87 from 5.x now requires a stop over at RELENG_6 or RELENG_7 systems. 88 8920071128: 90 The ADAPTIVE_GIANT kernel option has been retired because its 91 functionality is the default now. 92 9320071118: 94 The AT keyboard emulation of sunkbd(4) has been turned on 95 by default. In order to make the special symbols of the Sun 96 keyboards driven by sunkbd(4) work under X these now have 97 to be configured the same way as Sun USB keyboards driven 98 by ukbd(4) (which also does AT keyboard emulation), f.e.: 99 100 Option "XkbLayout" "us" 101 Option "XkbRules" "xorg" 102 Option "XkbSymbols" "pc(pc105)+sun_vndr/usb(sun_usb)+us" 103 10420071024: 105 It has been decided that it is desirable to provide ABI 106 backwards compatibility to the FreeBSD 4/5/6 versions of the 107 PCIOCGETCONF, PCIOCREAD and PCIOCWRITE IOCTLs, which was 108 broken with the introduction of PCI domain support (see the 109 20070930 entry). Unfortunately, this required the ABI of 110 PCIOCGETCONF to be broken again in order to be able to 111 provide backwards compatibility to the old version of that 112 IOCTL. Thus consumers of PCIOCGETCONF have to be recompiled 113 again. As for prominent ports this affects neither pciutils 114 nor xorg-server this time, the hal port needs to be rebuilt 115 however. 116 11720071020: 118 The misnamed kthread_create() and friends have been renamed 119 to kproc_create() etc. Many of the callers already 120 used kproc_start().. 121 I will return kthread_create() and friends in a while 122 with implementations that actually create threads, not procs. 123 Renaming corresponds with version 800002. 124 12520071010: 126 RELENG_7 branched. 127 12820071009: 129 Setting WITHOUT_LIBPTHREAD now means WITHOUT_LIBKSE and 130 WITHOUT_LIBTHR are set. 131 13220070930: 133 The PCI code has been made aware of PCI domains. This means that 134 the location strings as used by pciconf(8) etc are now in the 135 following format: pci<domain>:<bus>:<device>[:<function>]. It 136 also means that consumers of <sys/pciio.h> potentially need to 137 be recompiled; this includes the hal and xorg-server ports. 138 13920070928: 140 The caching daemon (cached) was renamed to nscd. nscd.conf 141 configuration file should be used instead of cached.conf and 142 nscd_enable, nscd_pidfile and nscd_flags options should be used 143 instead of cached_enable, cached_pidfile and cached_flags in 144 rc.conf. 145 14620070921: 147 The getfacl(1) utility now prints owning user and group name 148 instead of owning uid and gid in the three line comment header. 149 This is the same behavior as getfacl(1) on Solaris and Linux. 150 15120070704: 152 The new IPsec code is now compiled in using the IPSEC option. The 153 IPSEC option now requires "device crypto" be defined in your kernel 154 configuration. The FAST_IPSEC kernel option is now deprecated. 155 15620070702: 157 The packet filter (pf) code has been updated to OpenBSD 4.1 Please 158 note the changed syntax - keep state is now on by default. Also 159 note the fact that ftp-proxy(8) has been changed from bottom up and 160 has been moved from libexec to usr/sbin. Changes in the ALTQ 161 handling also affect users of IPFW's ALTQ capabilities. 162 16320070701: 164 Remove KAME IPsec in favor of FAST_IPSEC, which is now the 165 only IPsec supported by FreeBSD. The new IPsec stack 166 supports both IPv4 and IPv6. The kernel option will change 167 after the code changes have settled in. For now the kernel 168 option IPSEC is deprecated and FAST_IPSEC is the only option, that 169 will change after some settling time. 170 17120070701: 172 The wicontrol(8) utility has been removed from the base system. wi(4) 173 cards should be configured using ifconfig(8), see the man page for more 174 information. 175 17620070612: 177 The i386/amd64 GENERIC kernel now defaults to the nfe(4) driver 178 instead of the nve(4) driver. Please update your configuration 179 accordingly. 180 18120070612: 182 By default, /etc/rc.d/sendmail no longer rebuilds the aliases 183 database if it is missing or older than the aliases file. If 184 desired, set the new rc.conf option sendmail_rebuild_aliases 185 to "YES" to restore that functionality. 186 18720070612: 188 The IPv4 multicast socket code has been considerably modified, and 189 moved to the file sys/netinet/in_mcast.c. Initial support for the 190 RFC 3678 Source-Specific Multicast Socket API has been added to 191 the IPv4 network stack. 192 193 Strict multicast and broadcast reception is now the default for 194 UDP/IPv4 sockets; the net.inet.udp.strict_mcast_mship sysctl variable 195 has now been removed. 196 197 The RFC 1724 hack for interface selection has been removed; the use 198 of the Linux-derived ip_mreqn structure with IP_MULTICAST_IF has 199 been added to replace it. Consumers such as routed will soon be 200 updated to reflect this. 201 202 These changes affect users who are running routed(8) or rdisc(8) 203 from the FreeBSD base system on point-to-point or unnumbered 204 interfaces. 205 20620070610: 207 The net80211 layer has changed significantly and all wireless 208 drivers that depend on it need to be recompiled. Further these 209 changes require that any program that interacts with the wireless 210 support in the kernel be recompiled; this includes: ifconfig, 211 wpa_supplicant, hostapd, and wlanstats. Users must also, for 212 the moment, kldload the wlan_scan_sta and/or wlan_scan_ap modules 213 if they use modules for wireless support. These modules implement 214 scanning support for station and ap modes, respectively. Failure 215 to load the appropriate module before marking a wireless interface 216 up will result in a message to the console and the device not 217 operating properly. 218 21920070610: 220 The pam_nologin(8) module ceases to provide an authentication 221 function and starts providing an account management function. 222 Consequent changes to /etc/pam.d should be brought in using 223 mergemaster(8). Third-party files in /usr/local/etc/pam.d may 224 need manual editing as follows. Locate this line (or similar): 225 226 auth required pam_nologin.so no_warn 227 228 and change it according to this example: 229 230 account required pam_nologin.so no_warn 231 232 That is, the first word needs to be changed from "auth" to 233 "account". The new line can be moved to the account section 234 within the file for clarity. Not updating pam.conf(5) files 235 will result in nologin(5) ignored by the respective services. 236 23720070529: 238 The ether_ioctl() function has been synchronized with ioctl(2) 239 and ifnet.if_ioctl. Due to that, the size of one of its arguments 240 has changed on 64-bit architectures. All kernel modules using 241 ether_ioctl() need to be rebuilt on such architectures. 242 24320070516: 244 Improved INCLUDE_CONFIG_FILE support has been introduced to the 245 config(8) utility. In order to take advantage of this new 246 functionality, you are expected to recompile and install 247 src/usr.sbin/config. If you don't rebuild config(8), and your 248 kernel configuration depends on INCLUDE_CONFIG_FILE, the kernel 249 build will be broken because of a missing "kernconfstring" 250 symbol. 251 25220070513: 253 Symbol versioning is enabled by default. To disable it, use 254 option WITHOUT_SYMVER. It is not advisable to attempt to 255 disable symbol versioning once it is enabled; your installworld 256 will break because a symbol version-less libc will get installed 257 before the install tools. As a result, the old install tools, 258 which previously had symbol dependencies to FBSD_1.0, will fail 259 because the freshly installed libc will not have them. 260 261 The default threading library (providing "libpthread") has been 262 changed to libthr. If you wish to have libkse as your default, 263 use option DEFAULT_THREAD_LIB=libkse for the buildworld. 264 26520070423: 266 The ABI breakage in sendmail(8)'s libmilter has been repaired 267 so it is no longer necessary to recompile mail filters (aka, 268 milters). If you recompiled mail filters after the 20070408 269 note, it is not necessary to recompile them again. 270 27120070417: 272 The new trunk(4) driver has been renamed to lagg(4) as it better 273 reflects its purpose. ifconfig will need to be recompiled. 274 27520070408: 276 sendmail(8) has been updated to version 8.14.1. Mail filters 277 (aka, milters) compiled against the libmilter included in the 278 base operating system should be recompiled. 279 28020070302: 281 Firmwares for ipw(4) and iwi(4) are now included in the base tree. 282 In order to use them one must agree to the respective LICENSE in 283 share/doc/legal and define legal.intel_<name>.license_ack=1 via 284 loader.conf(5) or kenv(1). Make sure to deinstall the now 285 deprecated modules from the respective firmware ports. 286 28720070228: 288 The name resolution/mapping functions addr2ascii(3) and ascii2addr(3) 289 were removed from FreeBSD's libc. These originally came from INRIA 290 IPv6. Nothing in FreeBSD ever used them. They may be regarded as 291 deprecated in previous releases. 292 The AF_LINK support for getnameinfo(3) was merged from NetBSD to 293 replace it as a more portable (and re-entrant) API. 294 29520070224: 296 To support interrupt filtering a modification to the newbus API 297 has occurred, ABI was broken and __FreeBSD_version was bumped 298 to 700031. Please make sure that your kernel and modules are in 299 sync. For more info: 300 http://docs.freebsd.org/cgi/mid.cgi?20070221233124.GA13941 301 30220070224: 303 The IPv6 multicast forwarding code may now be loaded into GENERIC 304 kernels by loading the ip_mroute.ko module. This is built into the 305 module unless WITHOUT_INET6 or WITHOUT_INET6_SUPPORT options are 306 set; see src.conf(5) for more information. 307 30820070214: 309 The output of netstat -r has changed. Without -n, we now only 310 print a "network name" without the prefix length if the network 311 address and mask exactly match a Class A/B/C network, and an entry 312 exists in the nsswitch "networks" map. 313 With -n, we print the full unabbreviated CIDR network prefix in 314 the form "a.b.c.d/p". 0.0.0.0/0 is always printed as "default". 315 This change is in preparation for changes such as equal-cost 316 multipath, and to more generally assist operational deployment 317 of FreeBSD as a modern IPv4 router. 318 31920070210: 320 PIM has been turned on by default in the IPv4 multicast 321 routing code. The kernel option 'PIM' has now been removed. 322 PIM is now built by default if option 'MROUTING' is specified. 323 It may now be loaded into GENERIC kernels by loading the 324 ip_mroute.ko module. 325 32620070207: 327 Support for IPIP tunnels (VIFF_TUNNEL) in IPv4 multicast routing 328 has been removed. Its functionality may be achieved by explicitly 329 configuring gif(4) interfaces and using the 'phyint' keyword in 330 mrouted.conf. 331 XORP does not support source-routed IPv4 multicast tunnels nor the 332 integrated IPIP tunneling, therefore it is not affected by this 333 change. The __FreeBSD_version macro has been bumped to 700030. 334 33520061221: 336 Support for PCI Message Signalled Interrupts has been 337 re-enabled in the bge driver, only for those chips which are 338 believed to support it properly. If there are any problems, 339 MSI can be disabled completely by setting the 340 'hw.pci.enable_msi' and 'hw.pci.enable_msix' tunables to 0 341 in the loader. 342 34320061214: 344 Support for PCI Message Signalled Interrupts has been 345 disabled again in the bge driver. Many revisions of the 346 hardware fail to support it properly. Support can be 347 re-enabled by removing the #define of BGE_DISABLE_MSI in 348 "src/sys/dev/bge/if_bge.c". 349 35020061214: 351 Support for PCI Message Signalled Interrupts has been added 352 to the bge driver. If there are any problems, MSI can be 353 disabled completely by setting the 'hw.pci.enable_msi' and 354 'hw.pci.enable_msix' tunables to 0 in the loader. 355 35620061205: 357 The removal of several facets of the experimental Threading 358 system from the kernel means that the proc and thread structures 359 have changed quite a bit. I suggest all kernel modules that might 360 reference these structures be recompiled.. Especially the 361 linux module. 362 36320061126: 364 Sound infrastructure has been updated with various fixes and 365 improvements. Most of the changes are pretty much transparent, 366 with exceptions of followings: 367 1) All sound driver specific sysctls (hw.snd.pcm%d.*) have been 368 moved to their own dev sysctl nodes, for example: 369 hw.snd.pcm0.vchans -> dev.pcm.0.vchans 370 2) /dev/dspr%d.%d has been deprecated. Each channel now has its 371 own chardev in the form of "dsp%d.<function>%d", where <function> 372 is p = playback, r = record and v = virtual, respectively. Users 373 are encouraged to use these devs instead of (old) "/dev/dsp%d.%d". 374 This does not affect those who are using "/dev/dsp". 375 37620061122: 377 The following binaries have been disconnected from the build: 378 mount_devfs, mount_ext2fs, mount_fdescfs, mount_procfs, mount_linprocfs, 379 and mount_std. The functionality of these programs has been 380 moved into the mount program. For example, to mount a devfs 381 filesystem, instead of using mount_devfs, use: "mount -t devfs". 382 This does not affect entries in /etc/fstab, since entries in 383 /etc/fstab are always processed with "mount -t fstype". 384 38520061113: 386 Support for PCI Message Signalled Interrupts on i386 and amd64 387 has been added to the kernel and various drivers will soon be 388 updated to use MSI when it is available. If there are any problems, 389 MSI can be disabled completely by setting the 'hw.pci.enable_msi' 390 and 'hw.pci.enable_msix' tunables to 0 in the loader. 391 39220061110: 393 The MUTEX_PROFILING option has been renamed to LOCK_PROFILING. 394 The lockmgr object layout has been changed as a result of having 395 a lock_object embedded in it. As a consequence all file system 396 kernel modules must be re-compiled. The mutex profiling man page 397 has not yet been updated to reflect this change. 398 39920061026: 400 KSE in the kernel has now been made optional and turned on by 401 default. Use 'nooption KSE' in your kernel config to turn it 402 off. All kernel modules *must* be recompiled after this change. 403 There-after, modules from a KSE kernel should be compatible with 404 modules from a NOKSE kernel due to the temporary padding fields 405 added to 'struct proc'. 406 40720060929: 408 mrouted and its utilities have been removed from the base system. 409 41020060927: 411 Some ioctl(2) command codes have changed. Full backward ABI 412 compatibility is provided if the "options COMPAT_FREEBSD6" is 413 present in the kernel configuration file. Make sure to add 414 this option to your kernel config file, or recompile X.Org 415 and the rest of ports; otherwise they may refuse to work. 416 41720060924: 418 tcpslice has been removed from the base system. 419 42020060913: 421 The sizes of struct tcpcb (and struct xtcpcb) have changed due to 422 the rewrite of TCP syncookies. Tools like netstat, sockstat, and 423 systat needs to be rebuilt. 424 42520060903: 426 libpcap updated to v0.9.4 and tcpdump to v3.9.4 427 42820060816: 429 The IPFIREWALL_FORWARD_EXTENDED option is gone and the behaviour 430 for IPFIREWALL_FORWARD is now as it was before when it was first 431 committed and for years after. The behaviour is now ON. 432 43320060725: 434 enigma(1)/crypt(1) utility has been changed on 64 bit architectures. 435 Now it can decrypt files created from different architectures. 436 Unfortunately, it is no longer able to decrypt a cipher text 437 generated with an older version on 64 bit architectures. 438 If you have such a file, you need old utility to decrypt it. 439 44020060709: 441 The interface version of the i4b kernel part has changed. So 442 after updating the kernel sources and compiling a new kernel, 443 the i4b user space tools in "/usr/src/usr.sbin/i4b" must also 444 be rebuilt, and vice versa. 445 44620060627: 447 The XBOX kernel now defaults to the nfe(4) driver instead of 448 the nve(4) driver. Please update your configuration 449 accordingly. 450 45120060514: 452 The i386-only lnc(4) driver for the AMD Am7900 LANCE and Am79C9xx 453 PCnet family of NICs has been removed. The new le(4) driver serves 454 as an equivalent but cross-platform replacement with the pcn(4) 455 driver still providing performance-optimized support for the subset 456 of AMD Am79C971 PCnet-FAST and greater chips as before. 457 45820060511: 459 The machdep.* sysctls and the adjkerntz utility have been 460 modified a bit. The new adjkerntz utility uses the new 461 sysctl names and sysctlbyname() calls, so it may be impossible 462 to run an old /sbin/adjkerntz utility in single-user mode 463 with a new kernel. Replace the `adjkerntz -i' step before 464 `make installworld' with: 465 466 /usr/obj/usr/src/sbin/adjkerntz/adjkerntz -i 467 468 and proceed as usual with the rest of the installworld-stage 469 steps. Otherwise, you risk installing binaries with their 470 timestamp set several hours in the future, especially if 471 you are running with local time set to GMT+X hours. 472 47320060412: 474 The ip6fw utility has been removed. The behavior provided by 475 ip6fw has been in ipfw2 for a good while and the rc.d scripts 476 have been updated to deal with it. There are some rules that 477 might not migrate cleanly. Use rc.firewall6 as a template to 478 rewrite rules. 479 48020060428: 481 The puc(4) driver has been overhauled. The ebus(4) and sbus(4) 482 attachments have been removed. Make sure to configure scc(4) 483 on sparc64. Note also that by default puc(4) will use uart(4) 484 and not sio(4) for serial ports because interrupt handling has 485 been optimized for multi-port serial cards and only uart(4) 486 implements the interface to support it. 487 48820060330: 489 The scc(4) driver replaces puc(4) for Serial Communications 490 Controllers (SCCs) like the Siemens SAB82532 and the Zilog 491 Z8530. On sparc64, it is advised to add scc(4) to the kernel 492 configuration to make sure that the serial ports remain 493 functional. 494 49520060317: 496 Most world/kernel related NO_* build options changed names. 497 New knobs have common prefixes WITHOUT_*/WITH_* (modelled 498 after FreeBSD ports) and should be set in /etc/src.conf 499 (the src.conf(5) manpage is provided). Full backwards 500 compatibility is maintained for the time being though it's 501 highly recommended to start moving old options out of the 502 system-wide /etc/make.conf file into the new /etc/src.conf 503 while also properly renaming them. More conversions will 504 likely follow. Posting to current@: 505 506 http://lists.freebsd.org/pipermail/freebsd-current/2006-March/061725.html 507 50820060305: 509 The NETSMBCRYPTO kernel option has been retired because its 510 functionality is always included in NETSMB and smbfs.ko now. 511 51220060303: 513 The TDFX_LINUX kernel option was retired and replaced by the 514 tdfx_linux device. The latter can be loaded as the 3dfx_linux.ko 515 kernel module. Loading it alone should suffice to get 3dfx support 516 for Linux apps because it will pull in 3dfx.ko and linux.ko through 517 its dependencies. 518 51920060204: 520 The 'audit' group was added to support the new auditing functionality 521 in the base system. Be sure to follow the directions for updating, 522 including the requirement to run mergemaster -p. 523 52420060201: 525 The kernel ABI to file system modules was changed on i386. 526 Please make sure that your kernel and modules are in sync. 527 52820060118: 529 This actually occured some time ago, but installing the kernel 530 now also installs a bunch of symbol files for the kernel modules. 531 This increases the size of /boot/kernel to about 67Mbytes. You 532 will need twice this if you will eventually back this up to kernel.old 533 on your next install. 534 If you have a shortage of room in your root partition, you should add 535 -DINSTALL_NODEBUG to your make arguments or add INSTALL_NODEBUG="yes" 536 to your /etc/make.conf. 537 53820060113: 539 libc's malloc implementation has been replaced. This change has the 540 potential to uncover application bugs that previously went unnoticed. 541 See the malloc(3) manual page for more details. 542 54320060112: 544 The generic netgraph(4) cookie has been changed. If you upgrade 545 kernel passing this point, you also need to upgrade userland 546 and netgraph(4) utilities like ports/net/mpd or ports/net/mpd4. 547 54820060106: 549 si(4)'s device files now contain the unit number. 550 Uses of {cua,tty}A[0-9a-f] should be replaced by {cua,tty}A0[0-9a-f]. 551 55220060106: 553 The kernel ABI was mostly destroyed due to a change in the size 554 of struct lock_object which is nested in other structures such 555 as mutexes which are nested in all sorts of other structures. 556 Make sure your kernel and modules are in sync. 557 55820051231: 559 The page coloring algorithm in the VM subsystem was converted 560 from tuning with kernel options to autotuning. Please remove 561 any PQ_* option except PQ_NOOPT from your kernel config. 562 56320051211: 564 The net80211-related tools in the tools/tools/ath directory 565 have been moved to tools/tools/net80211 and renamed with a 566 "wlan" prefix. Scripts that use them should be adjusted 567 accordingly. 568 56920051202: 570 Scripts in the local_startup directories (as defined in 571 /etc/defaults/rc.conf) that have the new rc.d semantics will 572 now be run as part of the base system rcorder. If there are 573 errors or problems with one of these local scripts, it could 574 cause boot problems. If you encounter such problems, boot in 575 single user mode, remove that script from the */rc.d directory. 576 Please report the problem to the port's maintainer, and the 577 freebsd-ports@freebsd.org mailing list. 578 57920051129: 580 The nodev mount option was deprecated in RELENG_6 (where it 581 was a no-op), and is now unsupported. If you have nodev or dev listed 582 in /etc/fstab, remove it, otherwise it will result in a mount error. 583 58420051129: 585 ABI between ipfw(4) and ipfw(8) has been changed. You need 586 to rebuild ipfw(8) when rebuilding kernel. 587 58820051108: 589 rp(4)'s device files now contain the unit number. 590 Uses of {cua,tty}R[0-9a-f] should be replaced by {cua,tty}R0[0-9a-f]. 591 59220051029: 593 /etc/rc.d/ppp-user has been renamed to /etc/rc.d/ppp. 594 Its /etc/rc.conf.d configuration file has been `ppp' from 595 the beginning, and hence there is no need to touch it. 596 59720051014: 598 Now most modules get their build-time options from the kernel 599 configuration file. A few modules still have fixed options 600 due to their non-conformant implementation, but they will be 601 corrected eventually. You may need to review the options of 602 the modules in use, explicitly specify the non-default options 603 in the kernel configuration file, and rebuild the kernel and 604 modules afterwards. 605 60620051001: 607 kern.polling.enable sysctl MIB is now deprecated. Use ifconfig(8) 608 to turn polling(4) on your interfaces. 609 61020050927: 611 The old bridge(4) implementation was retired. The new 612 if_bridge(4) serves as a full functional replacement. 613 61420050722: 615 The ai_addrlen of a struct addrinfo was changed to a socklen_t 616 to conform to POSIX-2001. This change broke an ABI 617 compatibility on 64 bit architecture. You have to recompile 618 userland programs that use getaddrinfo(3) on 64 bit 619 architecture. 620 62120050711: 622 RELENG_6 branched here. 623 62420050629: 625 The pccard_ifconfig rc.conf variable has been removed and a new 626 variable, ifconfig_DEFAULT has been introduced. Unlike 627 pccard_ifconfig, ifconfig_DEFAULT applies to ALL interfaces that 628 do not have ifconfig_ifn entries rather than just those in 629 removable_interfaces. 630 63120050616: 632 Some previous versions of PAM have permitted the use of 633 non-absolute paths in /etc/pam.conf or /etc/pam.d/* when referring 634 to third party PAM modules in /usr/local/lib. A change has been 635 made to require the use of absolute paths in order to avoid 636 ambiguity and dependence on library path configuration, which may 637 affect existing configurations. 638 63920050610: 640 Major changes to network interface API. All drivers must be 641 recompiled. Drivers not in the base system will need to be 642 updated to the new APIs. 643 64420050609: 645 Changes were made to kinfo_proc in sys/user.h. Please recompile 646 userland, or commands like `fstat', `pkill', `ps', `top' and `w' 647 will not behave correctly. 648 649 The API and ABI for hwpmc(4) have changed with the addition 650 of sampling support. Please recompile lib/libpmc(3) and 651 usr.sbin/{pmcstat,pmccontrol}. 652 65320050606: 654 The OpenBSD dhclient was imported in place of the ISC dhclient 655 and the network interface configuration scripts were updated 656 accordingly. If you use DHCP to configure your interfaces, you 657 must now run devd. Also, DNS updating was lost so you will need 658 to find a workaround if you use this feature. 659 660 The '_dhcp' user was added to support the OpenBSD dhclient. Be 661 sure to run mergemaster -p (like you are supposed to do every time 662 anyway). 663 66420050605: 665 if_bridge was added to the tree. This has changed struct ifnet. 666 Please recompile userland and all network related modules. 667 66820050603: 669 The n_net of a struct netent was changed to an uint32_t, and 670 1st argument of getnetbyaddr() was changed to an uint32_t, to 671 conform to POSIX-2001. These changes broke an ABI 672 compatibility on 64 bit architecture. With these changes, 673 shlib major of libpcap was bumped. You have to recompile 674 userland programs that use getnetbyaddr(3), getnetbyname(3), 675 getnetent(3) and/or libpcap on 64 bit architecture. 676 67720050528: 678 Kernel parsing of extra options on '#!' first lines of shell 679 scripts has changed. Lines with multiple options likely will 680 fail after this date. For full details, please see 681 http://people.freebsd.org/~gad/Updating-20050528.txt 682 68320050503: 684 The packet filter (pf) code has been updated to OpenBSD 3.7 685 Please note the changed anchor syntax and the fact that 686 authpf(8) now needs a mounted fdescfs(5) to function. 687 68820050415: 689 The NO_MIXED_MODE kernel option has been removed from the i386 690 amd64 platforms as its use has been superceded by the new local 691 APIC timer code. Any kernel config files containing this option 692 should be updated. 693 69420050227: 695 The on-disk format of LC_CTYPE files was changed to be machine 696 independent. Please make sure NOT to use NO_CLEAN buildworld 697 when crossing this point. Crossing this point also requires 698 recompile or reinstall of all locale depended packages. 699 70020050225: 701 The ifi_epoch member of struct if_data has been changed to 702 contain the uptime at which the interface was created or the 703 statistics zeroed rather then the wall clock time because 704 wallclock time may go backwards. This should have no impact 705 unless an snmp implementation is using this value (I know of 706 none at this point.) 707 70820050224: 709 The acpi_perf and acpi_throttle drivers are now part of the 710 acpi(4) main module. They are no longer built separately. 711 71220050223: 713 The layout of struct image_params has changed. You have to 714 recompile all compatibility modules (linux, svr4, etc) for use 715 with the new kernel. 716 71720050223: 718 The p4tcc driver has been merged into cpufreq(4). This makes 719 "options CPU_ENABLE_TCC" obsolete. Please load cpufreq.ko or 720 compile in "device cpufreq" to restore this functionality. 721 72220050220: 723 The responsibility of recomputing the file system summary of 724 a SoftUpdates-enabled dirty volume has been transferred to the 725 background fsck. A rebuild of fsck(8) utility is recommended 726 if you have updated the kernel. 727 728 To get the old behavior (recompute file system summary at mount 729 time), you can set vfs.ffs.compute_summary_at_mount=1 before 730 mounting the new volume. 731 73220050206: 733 The cpufreq import is complete. As part of this, the sysctls for 734 acpi(4) throttling have been removed. The power_profile script 735 has been updated, so you can use performance/economy_cpu_freq in 736 rc.conf(5) to set AC on/offline cpu frequencies. 737 73820050206: 739 NG_VERSION has been increased. Recompiling kernel (or ng_socket.ko) 740 requires recompiling libnetgraph and userland netgraph utilities. 741 74220050114: 743 Support for abbreviated forms of a number of ipfw options is 744 now deprecated. Warnings are printed to stderr indicating the 745 correct full form when a match occurs. Some abbreviations may 746 be supported at a later date based on user feedback. To be 747 considered for support, abbreviations must be in use prior to 748 this commit and unlikely to be confused with current key words. 749 75020041221: 751 By a popular demand, a lot of NOFOO options were renamed 752 to NO_FOO (see bsd.compat.mk for a full list). The old 753 spellings are still supported, but will cause annoying 754 warnings on stderr. Make sure you upgrade properly (see 755 the COMMON ITEMS: section later in this file). 756 75720041219: 758 Auto-loading of ancillary wlan modules such as wlan_wep has 759 been temporarily disabled; you need to statically configure 760 the modules you need into your kernel or explicitly load them 761 prior to use. Specifically, if you intend to use WEP encryption 762 with an 802.11 device load/configure wlan_wep; if you want to 763 use WPA with the ath driver load/configure wlan_tkip, wlan_ccmp, 764 and wlan_xauth as required. 765 76620041213: 767 The behaviour of ppp(8) has changed slightly. If lqr is enabled 768 (``enable lqr''), older versions would revert to LCP ECHO mode on 769 negotiation failure. Now, ``enable echo'' is required for this 770 behaviour. The ppp version number has been bumped to 3.4.2 to 771 reflect the change. 772 77320041201: 774 The wlan support has been updated to split the crypto support 775 into separate modules. For static WEP you must configure the 776 wlan_wep module in your system or build and install the module 777 in place where it can be loaded (the kernel will auto-load 778 the module when a wep key is configured). 779 78020041201: 781 The ath driver has been updated to split the tx rate control 782 algorithm into a separate module. You need to include either 783 ath_rate_onoe or ath_rate_amrr when configuring the kernel. 784 78520041116: 786 Support for systems with an 80386 CPU has been removed. Please 787 use FreeBSD 5.x or earlier on systems with an 80386. 788 78920041110: 790 We have had a hack which would mount the root filesystem 791 R/W if the device were named 'md*'. As part of the vnode 792 work I'm doing I have had to remove this hack. People 793 building systems which use preloaded MD root filesystems 794 may need to insert a "/sbin/mount -u -o rw /dev/md0 /" in 795 their /etc/rc scripts. 796 79720041104: 798 FreeBSD 5.3 shipped here. 799 80020041102: 801 The size of struct tcpcb has changed again due to the removal 802 of RFC1644 T/TCP. You have to recompile userland programs that 803 read kmem for tcp sockets directly (netstat, sockstat, etc.) 804 80520041022: 806 The size of struct tcpcb has changed. You have to recompile 807 userland programs that read kmem for tcp sockets directly 808 (netstat, sockstat, etc.) 809 81020041016: 811 RELENG_5 branched here. For older entries, please see updating 812 in the RELENG_5 branch. 813 814COMMON ITEMS: 815 816 General Notes 817 ------------- 818 Avoid using make -j when upgrading. From time to time in the 819 past there have been problems using -j with buildworld and/or 820 installworld. This is especially true when upgrading between 821 "distant" versions (eg one that cross a major release boundary 822 or several minor releases, or when several months have passed 823 on the -current branch). 824 825 Sometimes, obscure build problems are the result of environment 826 poisoning. This can happen because the make utility reads its 827 environment when searching for values for global variables. 828 To run your build attempts in an "environmental clean room", 829 prefix all make commands with 'env -i '. See the env(1) manual 830 page for more details. 831 832 When upgrading from one major version to another it is generally 833 best to upgrade to the latest code in the currently installed branch 834 first, then do an upgrade to the new branch. This is the best-tested 835 upgrade path, and has the highest probability of being successful. 836 Please try this approach before reporting problems with a major 837 version upgrade. 838 839 To build a kernel 840 ----------------- 841 If you are updating from a prior version of FreeBSD (even one just 842 a few days old), you should follow this procedure. It is the most 843 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld, 844 845 make kernel-toolchain 846 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE 847 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE 848 849 To test a kernel once 850 --------------------- 851 If you just want to boot a kernel once (because you are not sure 852 if it works, or if you want to boot a known bad kernel to provide 853 debugging information) run 854 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel 855 nextboot -k testkernel 856 857 To just build a kernel when you know that it won't mess you up 858 -------------------------------------------------------------- 859 This assumes you are already running a 5.X system. Replace 860 ${arch} with the architecture of your machine (e.g. "i386", 861 "alpha", "amd64", "ia64", "pc98", "sparc64", etc). 862 863 cd src/sys/${arch}/conf 864 config KERNEL_NAME_HERE 865 cd ../compile/KERNEL_NAME_HERE 866 make depend 867 make 868 make install 869 870 If this fails, go to the "To build a kernel" section. 871 872 To rebuild everything and install it on the current system. 873 ----------------------------------------------------------- 874 # Note: sometimes if you are running current you gotta do more than 875 # is listed here if you are upgrading from a really old current. 876 877 <make sure you have good level 0 dumps> 878 make buildworld 879 make kernel KERNCONF=YOUR_KERNEL_HERE 880 [1] 881 <reboot in single user> [3] 882 mergemaster -p [5] 883 make installworld 884 make delete-old 885 mergemaster [4] 886 <reboot> 887 888 889 To cross-install current onto a separate partition 890 -------------------------------------------------- 891 # In this approach we use a separate partition to hold 892 # current's root, 'usr', and 'var' directories. A partition 893 # holding "/", "/usr" and "/var" should be about 2GB in 894 # size. 895 896 <make sure you have good level 0 dumps> 897 <boot into -stable> 898 make buildworld 899 make buildkernel KERNCONF=YOUR_KERNEL_HERE 900 <maybe newfs current's root partition> 901 <mount current's root partition on directory ${CURRENT_ROOT}> 902 make installworld DESTDIR=${CURRENT_ROOT} 903 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd 904 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT} 905 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd 906 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition> 907 <reboot into current> 908 <do a "native" rebuild/install as described in the previous section> 909 <maybe install compatibility libraries from src/lib/compat> 910 <reboot> 911 912 913 To upgrade in-place from 5.x-stable to current 914 ---------------------------------------------- 915 <make sure you have good level 0 dumps> 916 make buildworld [9] 917 make kernel KERNCONF=YOUR_KERNEL_HERE [8] 918 [1] 919 <reboot in single user> [3] 920 mergemaster -p [5] 921 make installworld 922 make delete-old 923 mergemaster -i [4] 924 <reboot> 925 926 Make sure that you've read the UPDATING file to understand the 927 tweaks to various things you need. At this point in the life 928 cycle of current, things change often and you are on your own 929 to cope. The defaults can also change, so please read ALL of 930 the UPDATING entries. 931 932 Also, if you are tracking -current, you must be subscribed to 933 freebsd-current@freebsd.org. Make sure that before you update 934 your sources that you have read and understood all the recent 935 messages there. If in doubt, please track -stable which has 936 much fewer pitfalls. 937 938 [1] If you have third party modules, such as vmware, you 939 should disable them at this point so they don't crash your 940 system on reboot. 941 942 [3] From the bootblocks, boot -s, and then do 943 fsck -p 944 mount -u / 945 mount -a 946 cd src 947 adjkerntz -i # if CMOS is wall time 948 Also, when doing a major release upgrade, it is required that 949 you boot into single user mode to do the installworld. 950 951 [4] Note: This step is non-optional. Failure to do this step 952 can result in a significant reduction in the functionality of the 953 system. Attempting to do it by hand is not recommended and those 954 that pursue this avenue should read this file carefully, as well 955 as the archives of freebsd-current and freebsd-hackers mailing lists 956 for potential gotchas. 957 958 [5] Usually this step is a noop. However, from time to time 959 you may need to do this if you get unknown user in the following 960 step. It never hurts to do it all the time. You may need to 961 install a new mergemaster (cd src/usr.sbin/mergemaster && make 962 install) after the buildworld before this step if you last updated 963 from current before 20020224 or from -stable before 20020408. 964 965 [8] In order to have a kernel that can run the 4.x binaries 966 needed to do an installworld, you must include the COMPAT_FREEBSD4 967 option in your kernel. Failure to do so may leave you with a system 968 that is hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 969 is required to run the 5.x binaries on more recent kernels. 970 971 Make sure that you merge any new devices from GENERIC since the 972 last time you updated your kernel config file. 973 974 [9] When checking out sources, you must include the -P flag to have 975 cvs prune empty directories. 976 977 If CPUTYPE is defined in your /etc/make.conf, make sure to use the 978 "?=" instead of the "=" assignment operator, so that buildworld can 979 override the CPUTYPE if it needs to. 980 981 MAKEOBJDIRPREFIX must be defined in an environment variable, and 982 not on the command line, or in /etc/make.conf. buildworld will 983 warn if it is improperly defined. 984FORMAT: 985 986This file contains a list, in reverse chronological order, of major 987breakages in tracking -current. Not all things will be listed here, 988and it only starts on October 16, 2004. Updating files can found in 989previous releases if your system is older than this. 990 991Copyright information: 992 993Copyright 1998-2005 M. Warner Losh. All Rights Reserved. 994 995Redistribution, publication, translation and use, with or without 996modification, in full or in part, in any form or format of this 997document are permitted without further permission from the author. 998 999THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR 1000IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 1001WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 1002DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT, 1003INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 1004(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 1005SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 1006HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 1007STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 1008IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 1009POSSIBILITY OF SUCH DAMAGE. 1010 1011If you find this document useful, and you want to, you may buy the 1012author a beer. 1013 1014Contact Warner Losh if you have any questions about your use of 1015this document. 1016 1017$FreeBSD: head/UPDATING 178017 2008-04-08 17:55:26Z jkim $ 1018