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