1 Updating Information for FreeBSD current users
3 This file is maintained and copyrighted by M. Warner Losh
4 <imp@village.org>. See end of file for further details. For commonly
5 done items, please see the COMMON ITEMS: section later in the file.
7 Items affecting the ports and packages system can be found in
8 /usr/ports/UPDATING. Please read that file before running
15 Note the addition of m_collapse for compacting mbuf chains.
18 The AT keyboard emulation of sunkbd(4) has been turned on
19 by default. In order to make the special symbols of the Sun
20 keyboards driven by sunkbd(4) work under X these now have
21 to be configured the same way as Sun USB keyboards driven
22 by ukbd(4) (which also does AT keyboard emulation), f.e.:
24 Option "XkbLayout" "us"
25 Option "XkbRules" "xorg"
26 Option "XkbSymbols" "pc(pc105)+sun_vndr/usb(sun_usb)+us"
29 It has been decided that it is desirable to provide ABI
30 backwards compatibility to the FreeBSD 4/5/6 versions of the
31 PCIOCGETCONF, PCIOCREAD and PCIOCWRITE IOCTLs, which was
32 broken with the introduction of PCI domain support (see the
33 20070930 entry). Unfortunately, this required the ABI of
34 PCIOCGETCONF to be broken again in order to be able to
35 provide backwards compatibility to the old version of that
36 IOCTL. Thus consumers of PCIOCGETCONF have to be recompiled
37 again. As for prominent ports this affects neither pciutils
38 nor xorg-server this time, the hal port needs to be rebuilt
45 Setting WITHOUT_LIBPTHREAD now means WITHOUT_LIBKSE and
46 WITHOUT_LIBTHR are set.
49 The PCI code has been made aware of PCI domains. This means that
50 the location strings as used by pciconf(8) etc are now in the
51 following format: pci<domain>:<bus>:<device>[:<function>]. It
52 also means that consumers of <sys/pciio.h> potentially need to
53 be recompiled; this includes the hal and xorg-server ports.
56 The caching daemon (cached) was renamed to nscd. nscd.conf
57 configuration file should be used instead of cached.conf and
58 nscd_enable, nscd_pidfile and nscd_flags options should be used
59 instead of cached_enable, cached_pidfile and cached_flags in
63 The new IPsec code is now compiled in using the IPSEC option. The
64 IPSEC option now requires "device crypto" be defined in your kernel
65 configuration. The FAST_IPSEC kernel option is now deprecated.
68 The packet filter (pf) code has been updated to OpenBSD 4.1 Please
69 note the changed syntax - keep state is now on by default. Also
70 note the fact that ftp-proxy(8) has been changed from bottom up and
71 has been moved from libexec to usr/sbin. Changes in the ALTQ
72 handling also affect users of IPFW's ALTQ capabilities.
75 Remove KAME IPsec in favor of FAST_IPSEC, which is now the
76 only IPsec supported by FreeBSD. The new IPsec stack
77 supports both IPv4 and IPv6. The kernel option will change
78 after the code changes have settled in. For now the kernel
79 option IPSEC is deprecated and FAST_IPSEC is the only option, that
80 will change after some settling time.
83 The wicontrol(8) utility has been removed from the base system. wi(4)
84 cards should be configured using ifconfig(8), see the man page for more
88 The i386/amd64 GENERIC kernel now defaults to the nfe(4) driver
89 instead of the nve(4) driver. Please update your configuration
93 By default, /etc/rc.d/sendmail no longer rebuilds the aliases
94 database if it is missing or older than the aliases file. If
95 desired, set the new rc.conf option sendmail_rebuild_aliases
96 to "YES" to restore that functionality.
99 The IPv4 multicast socket code has been considerably modified, and
100 moved to the file sys/netinet/in_mcast.c. Initial support for the
101 RFC 3678 Source-Specific Multicast Socket API has been added to
102 the IPv4 network stack.
104 Strict multicast and broadcast reception is now the default for
105 UDP/IPv4 sockets; the net.inet.udp.strict_mcast_mship sysctl variable
106 has now been removed.
108 The RFC 1724 hack for interface selection has been removed; the use
109 of the Linux-derived ip_mreqn structure with IP_MULTICAST_IF has
110 been added to replace it. Consumers such as routed will soon be
111 updated to reflect this.
113 These changes affect users who are running routed(8) or rdisc(8)
114 from the FreeBSD base system on point-to-point or unnumbered
118 The net80211 layer has changed significantly and all wireless
119 drivers that depend on it need to be recompiled. Further these
120 changes require that any program that interacts with the wireless
121 support in the kernel be recompiled; this includes: ifconfig,
122 wpa_supplicant, hostapd, and wlanstats. Users must also, for
123 the moment, kldload the wlan_scan_sta and/or wlan_scan_ap modules
124 if they use modules for wireless support. These modules implement
125 scanning support for station and ap modes, respectively. Failure
126 to load the appropriate module before marking a wireless interface
127 up will result in a message to the console and the device not
131 The pam_nologin(8) module ceases to provide an authentication
132 function and starts providing an account management function.
133 Consequent changes to /etc/pam.d should be brought in using
134 mergemaster(8). Third-party files in /usr/local/etc/pam.d may
135 need manual editing as follows. Locate this line (or similar):
137 auth required pam_nologin.so no_warn
139 and change it according to this example:
141 account required pam_nologin.so no_warn
143 That is, the first word needs to be changed from "auth" to
144 "account". The new line can be moved to the account section
145 within the file for clarity. Not updating pam.conf(5) files
146 will result in nologin(5) ignored by the respective services.
149 The ether_ioctl() function has been synchronized with ioctl(2)
150 and ifnet.if_ioctl. Due to that, the size of one of its arguments
151 has changed on 64-bit architectures. All kernel modules using
152 ether_ioctl() need to be rebuilt on such architectures.
155 Improved INCLUDE_CONFIG_FILE support has been introduced to the
156 config(8) utility. In order to take advantage of this new
157 functionality, you are expected to recompile and install
158 src/usr.sbin/config. If you don't rebuild config(8), and your
159 kernel configuration depends on INCLUDE_CONFIG_FILE, the kernel
160 build will be broken because of a missing "kernconfstring"
164 Symbol versioning is enabled by default. To disable it, use
165 option WITHOUT_SYMVER. It is not advisable to attempt to
166 disable symbol versioning once it is enabled; your installworld
167 will break because a symbol version-less libc will get installed
168 before the install tools. As a result, the old install tools,
169 which previously had symbol dependencies to FBSD_1.0, will fail
170 because the freshly installed libc will not have them.
172 The default threading library (providing "libpthread") has been
173 changed to libthr. If you wish to have libkse as your default,
174 use option DEFAULT_THREAD_LIB=libkse for the buildworld.
177 The ABI breakage in sendmail(8)'s libmilter has been repaired
178 so it is no longer necessary to recompile mail filters (aka,
179 milters). If you recompiled mail filters after the 20070408
180 note, it is not necessary to recompile them again.
183 The new trunk(4) driver has been renamed to lagg(4) as it better
184 reflects its purpose. ifconfig will need to be recompiled.
187 sendmail(8) has been updated to version 8.14.1. Mail filters
188 (aka, milters) compiled against the libmilter included in the
189 base operating system should be recompiled.
192 Firmwares for ipw(4) and iwi(4) are now included in the base tree.
193 In order to use them one must agree to the respective LICENSE in
194 share/doc/legal and define legal.intel_<name>.license_ack=1 via
195 loader.conf(5) or kenv(1). Make sure to deinstall the now
196 deprecated modules from the respective firmware ports.
199 The name resolution/mapping functions addr2ascii(3) and ascii2addr(3)
200 were removed from FreeBSD's libc. These originally came from INRIA
201 IPv6. Nothing in FreeBSD ever used them. They may be regarded as
202 deprecated in previous releases.
203 The AF_LINK support for getnameinfo(3) was merged from NetBSD to
204 replace it as a more portable (and re-entrant) API.
207 To support interrupt filtering a modification to the newbus API
208 has occurred, ABI was broken and __FreeBSD_version was bumped
209 to 700031. Please make sure that your kernel and modules are in
211 http://docs.freebsd.org/cgi/mid.cgi?20070221233124.GA13941
214 The IPv6 multicast forwarding code may now be loaded into GENERIC
215 kernels by loading the ip_mroute.ko module. This is built into the
216 module unless WITHOUT_INET6 or WITHOUT_INET6_SUPPORT options are
217 set; see src.conf(5) for more information.
220 The output of netstat -r has changed. Without -n, we now only
221 print a "network name" without the prefix length if the network
222 address and mask exactly match a Class A/B/C network, and an entry
223 exists in the nsswitch "networks" map.
224 With -n, we print the full unabbreviated CIDR network prefix in
225 the form "a.b.c.d/p". 0.0.0.0/0 is always printed as "default".
226 This change is in preparation for changes such as equal-cost
227 multipath, and to more generally assist operational deployment
228 of FreeBSD as a modern IPv4 router.
231 PIM has been turned on by default in the IPv4 multicast
232 routing code. The kernel option 'PIM' has now been removed.
233 PIM is now built by default if option 'MROUTING' is specified.
234 It may now be loaded into GENERIC kernels by loading the
238 Support for IPIP tunnels (VIFF_TUNNEL) in IPv4 multicast routing
239 has been removed. Its functionality may be achieved by explicitly
240 configuring gif(4) interfaces and using the 'phyint' keyword in
242 XORP does not support source-routed IPv4 multicast tunnels nor the
243 integrated IPIP tunneling, therefore it is not affected by this
244 change. The __FreeBSD_version macro has been bumped to 700030.
247 Support for PCI Message Signalled Interrupts has been
248 re-enabled in the bge driver, only for those chips which are
249 believed to support it properly. If there are any problems,
250 MSI can be disabled completely by setting the
251 'hw.pci.enable_msi' and 'hw.pci.enable_msix' tunables to 0
255 Support for PCI Message Signalled Interrupts has been
256 disabled again in the bge driver. Many revisions of the
257 hardware fail to support it properly. Support can be
258 re-enabled by removing the #define of BGE_DISABLE_MSI in
259 "src/sys/dev/bge/if_bge.c".
262 Support for PCI Message Signalled Interrupts has been added
263 to the bge driver. If there are any problems, MSI can be
264 disabled completely by setting the 'hw.pci.enable_msi' and
265 'hw.pci.enable_msix' tunables to 0 in the loader.
268 The removal of several facets of the experimental Threading
269 system from the kernel means that the proc and thread structures
270 have changed quite a bit. I suggest all kernel modules that might
271 reference these structures be recompiled.. Especially the
275 Sound infrastructure has been updated with various fixes and
276 improvements. Most of the changes are pretty much transparent,
277 with exceptions of followings:
278 1) All sound driver specific sysctls (hw.snd.pcm%d.*) have been
279 moved to their own dev sysctl nodes, for example:
280 hw.snd.pcm0.vchans -> dev.pcm.0.vchans
281 2) /dev/dspr%d.%d has been deprecated. Each channel now has its
282 own chardev in the form of "dsp%d.<function>%d", where <function>
283 is p = playback, r = record and v = virtual, respectively. Users
284 are encouraged to use these devs instead of (old) "/dev/dsp%d.%d".
285 This does not affect those who are using "/dev/dsp".
288 The following binaries have been disconnected from the build:
289 mount_devfs, mount_ext2fs, mount_fdescfs, mount_procfs, mount_linprocfs,
290 and mount_std. The functionality of these programs has been
291 moved into the mount program. For example, to mount a devfs
292 filesystem, instead of using mount_devfs, use: "mount -t devfs".
293 This does not affect entries in /etc/fstab, since entries in
294 /etc/fstab are always processed with "mount -t fstype".
297 Support for PCI Message Signalled Interrupts on i386 and amd64
298 has been added to the kernel and various drivers will soon be
299 updated to use MSI when it is available. If there are any problems,
300 MSI can be disabled completely by setting the 'hw.pci.enable_msi'
301 and 'hw.pci.enable_msix' tunables to 0 in the loader.
304 The MUTEX_PROFILING option has been renamed to LOCK_PROFILING.
305 The lockmgr object layout has been changed as a result of having
306 a lock_object embedded in it. As a consequence all file system
307 kernel modules must be re-compiled. The mutex profiling man page
308 has not yet been updated to reflect this change.
311 KSE in the kernel has now been made optional and turned on by
312 default. Use 'nooption KSE' in your kernel config to turn it
313 off. All kernel modules *must* be recompiled after this change.
314 There-after, modules from a KSE kernel should be compatible with
315 modules from a NOKSE kernel due to the temporary padding fields
316 added to 'struct proc'.
319 mrouted and its utilities have been removed from the base system.
322 Some ioctl(2) command codes have changed. Full backward ABI
323 compatibility is provided if the "options COMPAT_FREEBSD6" is
324 present in the kernel configuration file. Make sure to add
325 this option to your kernel config file, or recompile X.Org
326 and the rest of ports; otherwise they may refuse to work.
329 tcpslice has been removed from the base system.
332 The sizes of struct tcpcb (and struct xtcpcb) have changed due to
333 the rewrite of TCP syncookies. Tools like netstat, sockstat, and
334 systat needs to be rebuilt.
337 libpcap updated to v0.9.4 and tcpdump to v3.9.4
340 The IPFIREWALL_FORWARD_EXTENDED option is gone and the behaviour
341 for IPFIREWALL_FORWARD is now as it was before when it was first
342 committed and for years after. The behaviour is now ON.
345 enigma(1)/crypt(1) utility has been changed on 64 bit architectures.
346 Now it can decrypt files created from different architectures.
347 Unfortunately, it is no longer able to decrypt a cipher text
348 generated with an older version on 64 bit architectures.
349 If you have such a file, you need old utility to decrypt it.
352 The interface version of the i4b kernel part has changed. So
353 after updating the kernel sources and compiling a new kernel,
354 the i4b user space tools in "/usr/src/usr.sbin/i4b" must also
355 be rebuilt, and vice versa.
358 The XBOX kernel now defaults to the nfe(4) driver instead of
359 the nve(4) driver. Please update your configuration
363 The i386-only lnc(4) driver for the AMD Am7900 LANCE and Am79C9xx
364 PCnet family of NICs has been removed. The new le(4) driver serves
365 as an equivalent but cross-platform replacement with the pcn(4)
366 driver still providing performance-optimized support for the subset
367 of AMD Am79C971 PCnet-FAST and greater chips as before.
370 The machdep.* sysctls and the adjkerntz utility have been
371 modified a bit. The new adjkerntz utility uses the new
372 sysctl names and sysctlbyname() calls, so it may be impossible
373 to run an old /sbin/adjkerntz utility in single-user mode
374 with a new kernel. Replace the `adjkerntz -i' step before
375 `make installworld' with:
377 /usr/obj/usr/src/sbin/adjkerntz/adjkerntz -i
379 and proceed as usual with the rest of the installworld-stage
380 steps. Otherwise, you risk installing binaries with their
381 timestamp set several hours in the future, especially if
382 you are running with local time set to GMT+X hours.
385 The ip6fw utility has been removed. The behavior provided by
386 ip6fw has been in ipfw2 for a good while and the rc.d scripts
387 have been updated to deal with it. There are some rules that
388 might not migrate cleanly. Use rc.firewall6 as a template to
392 The puc(4) driver has been overhauled. The ebus(4) and sbus(4)
393 attachments have been removed. Make sure to configure scc(4)
394 on sparc64. Note also that by default puc(4) will use uart(4)
395 and not sio(4) for serial ports because interrupt handling has
396 been optimized for multi-port serial cards and only uart(4)
397 implements the interface to support it.
400 The scc(4) driver replaces puc(4) for Serial Communications
401 Controllers (SCCs) like the Siemens SAB82532 and the Zilog
402 Z8530. On sparc64, it is advised to add scc(4) to the kernel
403 configuration to make sure that the serial ports remain
407 Most world/kernel related NO_* build options changed names.
408 New knobs have common prefixes WITHOUT_*/WITH_* (modelled
409 after FreeBSD ports) and should be set in /etc/src.conf
410 (the src.conf(5) manpage is provided). Full backwards
411 compatibility is maintained for the time being though it's
412 highly recommended to start moving old options out of the
413 system-wide /etc/make.conf file into the new /etc/src.conf
414 while also properly renaming them. More conversions will
415 likely follow. Posting to current@:
417 http://lists.freebsd.org/pipermail/freebsd-current/2006-March/061725.html
420 The NETSMBCRYPTO kernel option has been retired because its
421 functionality is always included in NETSMB and smbfs.ko now.
424 The TDFX_LINUX kernel option was retired and replaced by the
425 tdfx_linux device. The latter can be loaded as the 3dfx_linux.ko
426 kernel module. Loading it alone should suffice to get 3dfx support
427 for Linux apps because it will pull in 3dfx.ko and linux.ko through
431 The 'audit' group was added to support the new auditing functionality
432 in the base system. Be sure to follow the directions for updating,
433 including the requirement to run mergemaster -p.
436 The kernel ABI to file system modules was changed on i386.
437 Please make sure that your kernel and modules are in sync.
440 This actually occured some time ago, but installing the kernel
441 now also installs a bunch of symbol files for the kernel modules.
442 This increases the size of /boot/kernel to about 67Mbytes. You
443 will need twice this if you will eventually back this up to kernel.old
444 on your next install.
445 If you have a shortage of room in your root partition, you should add
446 -DINSTALL_NODEBUG to your make arguments or add INSTALL_NODEBUG="yes"
447 to your /etc/make.conf.
450 libc's malloc implementation has been replaced. This change has the
451 potential to uncover application bugs that previously went unnoticed.
452 See the malloc(3) manual page for more details.
455 The generic netgraph(4) cookie has been changed. If you upgrade
456 kernel passing this point, you also need to upgrade userland
457 and netgraph(4) utilities like ports/net/mpd or ports/net/mpd4.
460 si(4)'s device files now contain the unit number.
461 Uses of {cua,tty}A[0-9a-f] should be replaced by {cua,tty}A0[0-9a-f].
464 The kernel ABI was mostly destroyed due to a change in the size
465 of struct lock_object which is nested in other structures such
466 as mutexes which are nested in all sorts of other structures.
467 Make sure your kernel and modules are in sync.
470 The page coloring algorithm in the VM subsystem was converted
471 from tuning with kernel options to autotuning. Please remove
472 any PQ_* option except PQ_NOOPT from your kernel config.
475 The net80211-related tools in the tools/tools/ath directory
476 have been moved to tools/tools/net80211 and renamed with a
477 "wlan" prefix. Scripts that use them should be adjusted
481 Scripts in the local_startup directories (as defined in
482 /etc/defaults/rc.conf) that have the new rc.d semantics will
483 now be run as part of the base system rcorder. If there are
484 errors or problems with one of these local scripts, it could
485 cause boot problems. If you encounter such problems, boot in
486 single user mode, remove that script from the */rc.d directory.
487 Please report the problem to the port's maintainer, and the
488 freebsd-ports@freebsd.org mailing list.
491 The nodev mount option was deprecated in RELENG_6 (where it
492 was a no-op), and is now unsupported. If you have nodev or dev listed
493 in /etc/fstab, remove it, otherwise it will result in a mount error.
496 ABI between ipfw(4) and ipfw(8) has been changed. You need
497 to rebuild ipfw(8) when rebuilding kernel.
500 rp(4)'s device files now contain the unit number.
501 Uses of {cua,tty}R[0-9a-f] should be replaced by {cua,tty}R0[0-9a-f].
504 /etc/rc.d/ppp-user has been renamed to /etc/rc.d/ppp.
505 Its /etc/rc.conf.d configuration file has been `ppp' from
506 the beginning, and hence there is no need to touch it.
509 Now most modules get their build-time options from the kernel
510 configuration file. A few modules still have fixed options
511 due to their non-conformant implementation, but they will be
512 corrected eventually. You may need to review the options of
513 the modules in use, explicitly specify the non-default options
514 in the kernel configuration file, and rebuild the kernel and
518 kern.polling.enable sysctl MIB is now deprecated. Use ifconfig(8)
519 to turn polling(4) on your interfaces.
522 The old bridge(4) implementation was retired. The new
523 if_bridge(4) serves as a full functional replacement.
526 The ai_addrlen of a struct addrinfo was changed to a socklen_t
527 to conform to POSIX-2001. This change broke an ABI
528 compatibility on 64 bit architecture. You have to recompile
529 userland programs that use getaddrinfo(3) on 64 bit
533 RELENG_6 branched here.
536 The pccard_ifconfig rc.conf variable has been removed and a new
537 variable, ifconfig_DEFAULT has been introduced. Unlike
538 pccard_ifconfig, ifconfig_DEFAULT applies to ALL interfaces that
539 do not have ifconfig_ifn entries rather than just those in
540 removable_interfaces.
543 Some previous versions of PAM have permitted the use of
544 non-absolute paths in /etc/pam.conf or /etc/pam.d/* when referring
545 to third party PAM modules in /usr/local/lib. A change has been
546 made to require the use of absolute paths in order to avoid
547 ambiguity and dependence on library path configuration, which may
548 affect existing configurations.
551 Major changes to network interface API. All drivers must be
552 recompiled. Drivers not in the base system will need to be
553 updated to the new APIs.
556 Changes were made to kinfo_proc in sys/user.h. Please recompile
557 userland, or commands like `fstat', `pkill', `ps', `top' and `w'
558 will not behave correctly.
560 The API and ABI for hwpmc(4) have changed with the addition
561 of sampling support. Please recompile lib/libpmc(3) and
562 usr.sbin/{pmcstat,pmccontrol}.
565 The OpenBSD dhclient was imported in place of the ISC dhclient
566 and the network interface configuration scripts were updated
567 accordingly. If you use DHCP to configure your interfaces, you
568 must now run devd. Also, DNS updating was lost so you will need
569 to find a workaround if you use this feature.
571 The '_dhcp' user was added to support the OpenBSD dhclient. Be
572 sure to run mergemaster -p (like you are supposed to do every time
576 if_bridge was added to the tree. This has changed struct ifnet.
577 Please recompile userland and all network related modules.
580 The n_net of a struct netent was changed to an uint32_t, and
581 1st argument of getnetbyaddr() was changed to an uint32_t, to
582 conform to POSIX-2001. These changes broke an ABI
583 compatibility on 64 bit architecture. With these changes,
584 shlib major of libpcap was bumped. You have to recompile
585 userland programs that use getnetbyaddr(3), getnetbyname(3),
586 getnetent(3) and/or libpcap on 64 bit architecture.
589 Kernel parsing of extra options on '#!' first lines of shell
590 scripts has changed. Lines with multiple options likely will
591 fail after this date. For full details, please see
592 http://people.freebsd.org/~gad/Updating-20050528.txt
595 The packet filter (pf) code has been updated to OpenBSD 3.7
596 Please note the changed anchor syntax and the fact that
597 authpf(8) now needs a mounted fdescfs(5) to function.
600 The NO_MIXED_MODE kernel option has been removed from the i386
601 amd64 platforms as its use has been superceded by the new local
602 APIC timer code. Any kernel config files containing this option
606 The on-disk format of LC_CTYPE files was changed to be machine
607 independent. Please make sure NOT to use NO_CLEAN buildworld
608 when crossing this point. Crossing this point also requires
609 recompile or reinstall of all locale depended packages.
612 The ifi_epoch member of struct if_data has been changed to
613 contain the uptime at which the interface was created or the
614 statistics zeroed rather then the wall clock time because
615 wallclock time may go backwards. This should have no impact
616 unless an snmp implementation is using this value (I know of
620 The acpi_perf and acpi_throttle drivers are now part of the
621 acpi(4) main module. They are no longer built separately.
624 The layout of struct image_params has changed. You have to
625 recompile all compatibility modules (linux, svr4, etc) for use
629 The p4tcc driver has been merged into cpufreq(4). This makes
630 "options CPU_ENABLE_TCC" obsolete. Please load cpufreq.ko or
631 compile in "device cpufreq" to restore this functionality.
634 The responsibility of recomputing the file system summary of
635 a SoftUpdates-enabled dirty volume has been transferred to the
636 background fsck. A rebuild of fsck(8) utility is recommended
637 if you have updated the kernel.
639 To get the old behavior (recompute file system summary at mount
640 time), you can set vfs.ffs.compute_summary_at_mount=1 before
641 mounting the new volume.
644 The cpufreq import is complete. As part of this, the sysctls for
645 acpi(4) throttling have been removed. The power_profile script
646 has been updated, so you can use performance/economy_cpu_freq in
647 rc.conf(5) to set AC on/offline cpu frequencies.
650 NG_VERSION has been increased. Recompiling kernel (or ng_socket.ko)
651 requires recompiling libnetgraph and userland netgraph utilities.
654 Support for abbreviated forms of a number of ipfw options is
655 now deprecated. Warnings are printed to stderr indicating the
656 correct full form when a match occurs. Some abbreviations may
657 be supported at a later date based on user feedback. To be
658 considered for support, abbreviations must be in use prior to
659 this commit and unlikely to be confused with current key words.
662 By a popular demand, a lot of NOFOO options were renamed
663 to NO_FOO (see bsd.compat.mk for a full list). The old
664 spellings are still supported, but will cause annoying
665 warnings on stderr. Make sure you upgrade properly (see
666 the COMMON ITEMS: section later in this file).
669 Auto-loading of ancillary wlan modules such as wlan_wep has
670 been temporarily disabled; you need to statically configure
671 the modules you need into your kernel or explicitly load them
672 prior to use. Specifically, if you intend to use WEP encryption
673 with an 802.11 device load/configure wlan_wep; if you want to
674 use WPA with the ath driver load/configure wlan_tkip, wlan_ccmp,
675 and wlan_xauth as required.
678 The behaviour of ppp(8) has changed slightly. If lqr is enabled
679 (``enable lqr''), older versions would revert to LCP ECHO mode on
680 negotiation failure. Now, ``enable echo'' is required for this
681 behaviour. The ppp version number has been bumped to 3.4.2 to
685 The wlan support has been updated to split the crypto support
686 into separate modules. For static WEP you must configure the
687 wlan_wep module in your system or build and install the module
688 in place where it can be loaded (the kernel will auto-load
689 the module when a wep key is configured).
692 The ath driver has been updated to split the tx rate control
693 algorithm into a separate module. You need to include either
694 ath_rate_onoe or ath_rate_amrr when configuring the kernel.
697 Support for systems with an 80386 CPU has been removed. Please
698 use FreeBSD 5.x or earlier on systems with an 80386.
701 We have had a hack which would mount the root filesystem
702 R/W if the device were named 'md*'. As part of the vnode
703 work I'm doing I have had to remove this hack. People
704 building systems which use preloaded MD root filesystems
705 may need to insert a "/sbin/mount -u -o rw /dev/md0 /" in
706 their /etc/rc scripts.
709 FreeBSD 5.3 shipped here.
712 The size of struct tcpcb has changed again due to the removal
713 of RFC1644 T/TCP. You have to recompile userland programs that
714 read kmem for tcp sockets directly (netstat, sockstat, etc.)
717 The size of struct tcpcb has changed. You have to recompile
718 userland programs that read kmem for tcp sockets directly
719 (netstat, sockstat, etc.)
722 RELENG_5 branched here. For older entries, please see updating
723 in the RELENG_5 branch.
729 Avoid using make -j when upgrading. From time to time in the
730 past there have been problems using -j with buildworld and/or
731 installworld. This is especially true when upgrading between
732 "distant" versions (eg one that cross a major release boundary
733 or several minor releases, or when several months have passed
734 on the -current branch).
736 Sometimes, obscure build problems are the result of environment
737 poisoning. This can happen because the make utility reads its
738 environment when searching for values for global variables.
739 To run your build attempts in an "environmental clean room",
740 prefix all make commands with 'env -i '. See the env(1) manual
741 page for more details.
743 When upgrading from one major version to another it is generally
744 best to upgrade to the latest code in the currently installed branch
745 first, then do an upgrade to the new branch. This is the best-tested
746 upgrade path, and has the highest probability of being successful.
747 Please try this approach before reporting problems with a major
752 If you are updating from a prior version of FreeBSD (even one just
753 a few days old), you should follow this procedure. It is the most
754 failsafe as it uses a /usr/obj tree with a fresh mini-buildworld,
756 make kernel-toolchain
757 make -DALWAYS_CHECK_MAKE buildkernel KERNCONF=YOUR_KERNEL_HERE
758 make -DALWAYS_CHECK_MAKE installkernel KERNCONF=YOUR_KERNEL_HERE
760 To test a kernel once
761 ---------------------
762 If you just want to boot a kernel once (because you are not sure
763 if it works, or if you want to boot a known bad kernel to provide
764 debugging information) run
765 make installkernel KERNCONF=YOUR_KERNEL_HERE KODIR=/boot/testkernel
766 nextboot -k testkernel
768 To just build a kernel when you know that it won't mess you up
769 --------------------------------------------------------------
770 This assumes you are already running a 5.X system. Replace
771 ${arch} with the architecture of your machine (e.g. "i386",
772 "alpha", "amd64", "ia64", "pc98", "sparc64", etc).
774 cd src/sys/${arch}/conf
775 config KERNEL_NAME_HERE
776 cd ../compile/KERNEL_NAME_HERE
781 If this fails, go to the "To build a kernel" section.
783 To rebuild everything and install it on the current system.
784 -----------------------------------------------------------
785 # Note: sometimes if you are running current you gotta do more than
786 # is listed here if you are upgrading from a really old current.
788 <make sure you have good level 0 dumps>
790 make kernel KERNCONF=YOUR_KERNEL_HERE
792 <reboot in single user> [3]
800 To cross-install current onto a separate partition
801 --------------------------------------------------
802 # In this approach we use a separate partition to hold
803 # current's root, 'usr', and 'var' directories. A partition
804 # holding "/", "/usr" and "/var" should be about 2GB in
807 <make sure you have good level 0 dumps>
810 make buildkernel KERNCONF=YOUR_KERNEL_HERE
811 <maybe newfs current's root partition>
812 <mount current's root partition on directory ${CURRENT_ROOT}>
813 make installworld DESTDIR=${CURRENT_ROOT}
814 make distribution DESTDIR=${CURRENT_ROOT} # if newfs'd
815 make installkernel KERNCONF=YOUR_KERNEL_HERE DESTDIR=${CURRENT_ROOT}
816 cp /etc/fstab ${CURRENT_ROOT}/etc/fstab # if newfs'd
817 <edit ${CURRENT_ROOT}/etc/fstab to mount "/" from the correct partition>
818 <reboot into current>
819 <do a "native" rebuild/install as described in the previous section>
820 <maybe install compatibility libraries from src/lib/compat>
824 To upgrade in-place from 5.x-stable to current
825 ----------------------------------------------
826 <make sure you have good level 0 dumps>
828 make kernel KERNCONF=YOUR_KERNEL_HERE [8]
830 <reboot in single user> [3]
837 Make sure that you've read the UPDATING file to understand the
838 tweaks to various things you need. At this point in the life
839 cycle of current, things change often and you are on your own
840 to cope. The defaults can also change, so please read ALL of
841 the UPDATING entries.
843 Also, if you are tracking -current, you must be subscribed to
844 freebsd-current@freebsd.org. Make sure that before you update
845 your sources that you have read and understood all the recent
846 messages there. If in doubt, please track -stable which has
849 [1] If you have third party modules, such as vmware, you
850 should disable them at this point so they don't crash your
853 [3] From the bootblocks, boot -s, and then do
858 adjkerntz -i # if CMOS is wall time
859 Also, when doing a major release upgrade, it is required that
860 you boot into single user mode to do the installworld.
862 [4] Note: This step is non-optional. Failure to do this step
863 can result in a significant reduction in the functionality of the
864 system. Attempting to do it by hand is not recommended and those
865 that pursue this avenue should read this file carefully, as well
866 as the archives of freebsd-current and freebsd-hackers mailing lists
867 for potential gotchas.
869 [5] Usually this step is a noop. However, from time to time
870 you may need to do this if you get unknown user in the following
871 step. It never hurts to do it all the time. You may need to
872 install a new mergemaster (cd src/usr.sbin/mergemaster && make
873 install) after the buildworld before this step if you last updated
874 from current before 20020224 or from -stable before 20020408.
876 [8] In order to have a kernel that can run the 4.x binaries
877 needed to do an installworld, you must include the COMPAT_FREEBSD4
878 option in your kernel. Failure to do so may leave you with a system
879 that is hard to boot to recover. A similar kernel option COMPAT_FREEBSD5
880 is required to run the 5.x binaries on more recent kernels.
882 Make sure that you merge any new devices from GENERIC since the
883 last time you updated your kernel config file.
885 [9] When checking out sources, you must include the -P flag to have
886 cvs prune empty directories.
888 If CPUTYPE is defined in your /etc/make.conf, make sure to use the
889 "?=" instead of the "=" assignment operator, so that buildworld can
890 override the CPUTYPE if it needs to.
892 MAKEOBJDIRPREFIX must be defined in an environment variable, and
893 not on the command line, or in /etc/make.conf. buildworld will
894 warn if it is improperly defined.
897 This file contains a list, in reverse chronological order, of major
898 breakages in tracking -current. Not all things will be listed here,
899 and it only starts on October 16, 2004. Updating files can found in
900 previous releases if your system is older than this.
902 Copyright information:
904 Copyright 1998-2005 M. Warner Losh. All Rights Reserved.
906 Redistribution, publication, translation and use, with or without
907 modification, in full or in part, in any form or format of this
908 document are permitted without further permission from the author.
910 THIS DOCUMENT IS PROVIDED BY WARNER LOSH ``AS IS'' AND ANY EXPRESS OR
911 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
912 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
913 DISCLAIMED. IN NO EVENT SHALL WARNER LOSH BE LIABLE FOR ANY DIRECT,
914 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
915 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
916 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
917 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
918 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
919 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
920 POSSIBILITY OF SUCH DAMAGE.
922 If you find this document useful, and you want to, you may buy the
925 Contact Warner Losh if you have any questions about your use of