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Updating Information for FreeBSD current users

This file is maintained by imp@village.org.  Please send new entries
directly to him.  See end of file for further details.  For commonly
done items, please see the end of the file.  Search for 'COMMON
ITEMS:'

20000911:
	The random device has been turned into a (pseudo-)device,
	rather than an option. The supplied kernel config files have
	been updated. You will need to do something similar in your
	own kernel config file.
	Remove:
		options		RANDOMDEV
	Add:
		device		random
	If you prefer to load the loadable module, you need to do
	nothing.

20000909:
	The random device module has been renamed from randomdev.ko to
	random.ko. You will need to edit your /boot/loader.conf to
	reflect this if you load this module at boot time.
	The line should read:
		random_load="YES"

20000907:
	The SMPNG commit has happened.  It should work, but if it
	doesn't, fallback to the PRE_SMPNG CVS tag.  There are likely
	to be a variety of minor issues.  Please see 20000905 to make
	sure you don't have model loading problems which might at
	first blush appear related to SMP.

20000906:
	nsswitch has been imported from NetBSD.  Among other things,
	this means that /etc/host.conf is no longer used.  See
	nsswitch.conf(5) instead.  Note that at boot time rc.network
	will attempt to produce a new nsswitch.conf file for you if you
	don't have one, and you have host.conf.

20000905:
	The boot loader has been updated.  The new default kernel is
	now /boot/kernel/kernel.ko.  The new default module location
	is /boot/kernel.

	You *MUST* upgrade your boot loader and kernel at the same time.

	Furthermore, you are urged to delete your old /modules directory
	before booting the new kernel, since kldload will find stale
	modules in that directory instead of finding them in the correct
	path, /boot/kernel.  The most common complaint that this cures
	is that the linux module crashes your machine after the update.

	if [ ! -d /boot/kernel.old ]; then
		mv /modules.old /boot/kernel.old
		chflags noschg /kernel.old
		mv /kernel.old /boot/kernel.old/kernel.ko
		chflags schg /boot/kernel.old/kernel.ko
	fi

20000904:
	A new issue with the sendmail upgrade has come to light.
	/etc/aliases has moved to /etc/mail/aliases.  Mergemaster will 
	incorrectly install the default aliases in /etc/mail rather than
	move the old one from /etc.  So you'll need to manually move the
	file, create a symbolic link, remove the old /etc/aliases.db and
	run newaliases.  For safety sake, you should stop sendmail
	while doing this and run the upgrade when locally sourced email
	is not likely to be generated.

20000825:
	/boot/device.hints is now required for installkernel to
	succeed.  You should copy GENERIC.hints for your architecture
	into /boot/device.hints.  If and only if you compile hints
	into your kernel, then this file may be empty.  Please note,
	if you have an empty or missing /boot/device.hints file and
	you neglected to compile hints into your kernel, no boot
	messages will appear after the boot loader tries to start the
	kernel.

20000821:
	If you do NOT have ``options RANDOMDEV'' in your kernel and
	you DO want the random device then add randomdev_load="YES" to
	/boot/loader.conf.

20000812:
	suidperl is now always built and installed on the system, but
	with permissions of 511.  If you have applications that use
	this program, you are now required to add ENABLE_SUIDPERL=true
	to /etc/make.conf.  If you forget to do this,
		chmod 4511 /usr/bin/suidperl
	will fix this until the next build.

20000812:
	sendmail has been updated from 8.9.3 to 8.11.0.  Some of the more
	visible changes that may immediately affect your configuration
	include:
	- New default file locations from src/contrib/sendmail/cf/README
	- newaliases limited to root and trusted users
	- MSA port (587) turned on by default
	- New queue file naming system so can't go from 8.11 -> 8.9
	- FEATURE(`rbl') renamed to FEATURE(`dnsbl')
	- FEATURE(`nullclient') is more full featured
	- FEATURE(`nouucp') requires an argument: `reject' or `nospecial'
	- mail.local FreeBSD-only -b option changed to -B
	- See src/contrib/sendmail/RELEASE_NOTES for more info

20000810:
	suidperl (aka sperl) is no longer build by default.  You must
	specifically define BUILD_SUIDPERL to "true" for it to be build.
	Furthermore, we recommend that you remove /usr/bin/sperl* and
	/usr/bin/suidperl files from your system unless you have a
	specific use for it.

20000729:
	Networking defaults have been tightened.  Anybody upgrading
	/etc/defaults/rc.conf needs to add the following lines to
	/etc/rc.conf if they want to have the same setup
	afterwards (unless the variables already are set, of course):
		# Enable network daemons for user convenience.
		inetd_enable="YES"
		portmap_enable="YES"
		sendmail_enable="YES"

20000728:
	If you have null_load="YES" in your /boot/loader.conf, you
	will need to change that to nullfs_load="YES".

20000728:
	The "installkernel" target has changed slightly. Now even if
	you override KERNEL e.g. 'make installkernel KERNEL=MYKERNEL'
	it will install the MYKERNEL file (built with the buildkernel
	target) as /kernel rather than /MYKERNEL. Those who have
	updated their /boot/loader.conf files to point to /MYKERNEL
	should remove that entry or perform manual rename of /kernel
	to /MYKERNEL.

20000711:
	If you use CVSUP or CTM to get CVS trees, AND you used to get 
	the old crypto files from internat.freebsd.org AND you check
	out files from the CVS tree with the cvs command, please read
		http://people.freebsd.org/~imp/internat.txt
	for details on potential problems that you might have and how
	to get around them.

	If you are merely a mirror, or don't answer yes to each of the
	clauses above, you needn't worry.

20000711:
	/etc/security has been updated to print the inode number of
	setuid programs that have changed.  You will see a large spike
	in the number of changed programs the first time when you run
	mergemaster to get a new /etc/security.

20000710:
	/dev/random now has good entropy collection (from the keyboard
	and sysmouse drivers). Please ensure that either `options
	RANDOMDEV' is present in your kernel config file or that
	`randomdev_load="YES"' is in your /boot/loader.conf. If you do
	not have the /dev/random driver, OpenSSL (and consequently
	lots of crypto tools (like SSH)) will fail with strange
	errors. (see below, 20000624).

	FreeBSD-current is safe again to run Crypto.

20000709:
	phk made the malloc default options AJ.  This may slow things
	down and uncover other latent bugs in the code.  If you need to
	run at full speed, you can disable this by doing the following:
		ln -s aj /etc/malloc.conf

20000706:
	libftpio's version was accidentally bumped a few days ago.  This
	has been corrected.  You may need to remove /usr/lib/libftpio.so.6
	before doing your next buildworld/installworld pair.  It certainly
	won't hurt to remove it before the update procedure.  It will
	break fetch until a new one is built, but ftp can be used in the
	interim if needed.

20000705:
	The crypto packages have changed for the cvsup.  This has been done
	in a backward compatible way, but the old packages will go away at
	some point in the future.  Look at /usr/share/examples/cvsup for
	details.

20000704:
	With the new sys/modules/sound/drivers/*, you will need to
	set SYSDIR until you do an installworld after July 7th.

20000704:
	rc.shutdown and rc will now call the rc.d scripts with start
	or stop.  This may cause some harmless warnings from older
	rc.d scripts that haven't been updated.

20000630:
	The libfetch based version of fetch has gone into the tree.
	Minor problems may result on some of the less popular sites,
	which should be reported to des@freebsd.org.

20000625:
	From approximately this date forward, one must have the crypto
	system installed in order to build the system and kernel.
	While not technically strictly true, one should treat it as
	required and grab the crypto bits.  If you are grabbing CVS
	trees, src-all and cvs-crypto should be treated as if they
	were required.  You should check with the latest collections
	to make sure that these haven't changed.

20000624:
	Mark Murray just committed the first parts of a cleanup of
	/dev/zero, et al.  This is also cleaning up /dev/random.
	The entropy is disconnected, so DO NOT USE VERSIONS OF FREEBSD
	-CURRENT FROM THIS POINT FORWARD for cryptographic services
	until Mark can merge in the fixes to this work in progress.
	openssh and openssl should not be used to generate keys from this
	date to the completion of the work.

	If you must operate at this reduced level of security, add '
	options RANDOMDEV' to your kernel or modload the randomdev
	module.  You may also need to copy a new MAKEDEV to /dev and
	recreate the random and urandom devices.

20000622:
	The license on the softupdates is now a standard 2 clause
	BSD license.  You may need to remove your symbolic links
	that used to be required when updating.

20000621:
	Scott Flatman <sf@aracnet.com> sent in a decent write-up on
	the config file update procedure.
		http://people.freebsd.org/~imp/config-upd.html
	NOTE: LINT is gone.  It has been replaced with NOTES.  NOTES
	isn't buildable.  However, you can generate a LINT file.

20000620:
	Binutils 2.10 have hit the tree, or will shortly.  As soon
	as they do, the problem noted in 20000522 will be resolved and
	that workaround will no longer be required.

20000615:
	phk removed the compatibility creation of wd devices in the
	ad driver.  If you haven't done so already, you must update
	your fstab, etc to use the ad devices instead of the wd
	devices.

	In addition, you'll need to update your boot blocks to a
	more modern version, if you haven't already done so.  Modern
	here means 4.0 release or newer (although older releases
	may work).

20000612:
	Peter took an axe to config(8).  Be sure that you read his mail
	on the topic before even thinking about updating.  You will
	need to create a /boot/device.hints or add a hints directive
	to your config file to compile them in statically.  The format
	of the config file has changed as well.  Please see GENERIC or
	NEWCARD for examples of the new format.

20000522:
	A new set of binutils went into the tree today.  Anybody
	building a kernel after this point is advised that they need
	to rebuild their binutils (or better yet do a
	buildworld/installworld) before building a new kernel.

	Due to bugs in binutils, using malloc options (eg /etc/malloc.conf
	or MALLOC_OPTIONS env var) J will cause ld to dump core.  It
	is recommended that you don't set this option until the problem
	is resolved.

20000513:
	The ethernet drivers were all updated to clean up the BPF handling.

20000510:
	The problems with boot blocks on the alphas have been corrected.
	This will require some care in updating alphas.  A new libstand
	is requires for the boot blocks to build properly.

20000503:
	Recompile all kld modules.  Proper version dependency info
	is now available.

20000502:
	Modules have been disconnected from the buildworld tree and 
	connected to the kernel building instead.

2000427:
	You may need to build gperf
		cd /usr/src/gnu/usr.bin/gperf && make depend all install
	when upgrading from 4.0 -> current.  The build system now uses
	an option only in -current.

20000417:
	The method that we brand ELF binaries has changed to be more
	acceptable to the binutils maintainers.  You will need to
	rebrand your ELF binaries that aren't native.  One problem
	binary is the Linux ldconfig.  After your make world, but
	before you reboot, you'll need to issue:
		brandelf -t Linux /compat/linux/sbin/ldconfig
	if you have Linux compatibility enabled on your machine.

20000320:
	If you have really bad/marginal IDE drives, you may find they
	don't work well.  Use pio mode instead.  The easiest way to
	cope if you have a problem combination is to add:
		/sbin/sysctl -w hw.atamodes=pio,pio,pio,pio
	to the start of /etc/rc.conf.

20000319:
	The ISA and PCI compatibility shims have been connected to the
	options COMPAT_OLDISA and COMPAT_OLDPCI.  If you are using old
	style PCI or ISA drivers (i.e. tx, voxware, etc.) you must
	include the appropriate option in your kernel config.  Drivers
	using the shims should be updated or they won't ship with
	5.0-RELEASE, targeted for 2001.

20000318:
	We've entered the traditional post release dumping party.
	Large kernel changes are being committed and are in the
	works.  It is important to keep the systems' klds and kernel
	in sync as kernel interfaces and structures are changing.
	Before reporting kernel panics, make sure that all modules
	that you are loading are up to date.

20000315:
	If you are upgrading from an older version of FreeBSD, you
	need to update your boot blocks as well.  'disklabel -B ad0'
	will do the trick.  This isn't critical until you remove your
	wd device entries in /dev, at which point your system will not
	boot.

20000315:
	4.0 RELEASE shipped.  Please see the 4.0 UPDATING file for how
	to upgrade to 4.0 from 3.x.

COMMON ITEMS:

	General Notes
	-------------
	Avoid using make -j when upgrading.  From time to time in the
	past there have been problems using -j with buildworld and/or
	installworld.  This is especially true when upgrading between
	"distant" versions (eg one that cross a major release boundary
	or several minor releases, or when several months have passed
	on the -current branch).

	To build a kernel
	-----------------
	If you are updating from a prior version of FreeBSD (even one just
	a few days old), you should follow this procedure. With a
	/usr/obj tree with a fresh buildworld,
	make buildkernel KERNEL=YOUR_KERNEL_HERE
	make installkernel KERNEL=YOUR_KERNEL_HERE

	To just build a kernel when you know that it won't mess you up
	--------------------------------------------------------------
	cd src/sys/{i386,alpha}/conf
	config KERNEL_NAME_HERE			[1]
	cd ../../compile/KERNEL_NAME_HERE
	make depend
	make
	make install	
	
	[1] If in doubt, -r might help here.

	If this fails, go to the "To build a kernel" section.

	To rebuild everything and install it on the current system.
	-----------------------------------------------------------
	make world
	Build a new kernel, see above.

	To upgrade from 4.x-stable to current
	-------------------------------------
	make buildworld
	make buildkernel KERNEL=YOUR_KERNEL_HERE
	cp src/sys/${MACHINE_ARCH}/GENERIC.hints /boot/device.hints [2]
	make installkernel KERNEL=YOUR_KERNEL_HERE
	make installworld
	[1]
	<reboot>

	Make sure that you've read the UPDATING file to understand the
	tweaks to various things you need.  At this point in the life
	cycle of current, things change often and you are on your own
	to cope.  The defaults can also change, so please read ALL of
	the UPDATING entries.

	Also, if you are tracking -current, you must be subscribed to
	freebsd-current@freebsd.org.  Make sure that before you update
	your sources that you have read and understood all the recent
	messages there.  If in doubt, please track -stable which has
	much fewer pitfalls.

	[1] If you have third party modules, such as vmware, you
	should disable them at this point so they don't crash your
	system on reboot.

	[2] If you have legacy ISA devices, you may need to create
	your own device.hints to reflect your unique hardware
	configuration.

FORMAT:

This file contains a list, in reverse chronological order, of major
breakages in tracking -current.  Not all things will be listed here,
and it only starts on March 15, 2000.  Updating files can found in
previous releases if your system is older than this.

Please filter your entries through Warner Losh (imp@village.org) so
that the style, formatting, etc of this file can be maintained.

$FreeBSD$
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