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UPDATING
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Updating Information for FreeBSD current users.
This file is maintained and copyrighted by M. Warner Losh <[email protected]>.
See end of file for further details. For commonly done items, please see the
COMMON ITEMS: section later in the file. These instructions assume that you
basically know what you are doing. If not, then please consult the FreeBSD
handbook:
https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
Items affecting the ports and packages system can be found in
/usr/ports/UPDATING. Please read that file before running portupgrade.
NOTE TO PEOPLE WHO THINK THAT FreeBSD 13.x IS SLOW:
FreeBSD 13.x has many debugging features turned on, in both the kernel
and userland. These features attempt to detect incorrect use of
system primitives, and encourage loud failure through extra sanity
checking and fail stop semantics. They also substantially impact
system performance. If you want to do performance measurement,
benchmarking, and optimization, you'll want to turn them off. This
includes various WITNESS- related kernel options, INVARIANTS, malloc
debugging flags in userland, and various verbose features in the
kernel. Many developers choose to disable these features on build
machines to maximize performance. (To completely disable malloc
debugging, define MALLOC_PRODUCTION in /etc/make.conf, or to merely
disable the most expensive debugging functionality run
"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
20200824:
The resume code now notifies devd with the 'kernel' system
rather than the old 'kern' subsystem to be consistent with
other use. The old notification will be created as well, but
will be removed prior to FreeBSD 14.0.
20200821:
r362275 changed the internal API between the kernel RPC and the
NFS modules. As such, all the modules must be recompiled from
sources.
20200817:
r364330 modified the internal API used between the NFS modules.
As such, all the NFS modules must be re-compiled from sources.
20200816:
Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have
been upgraded to 11.0.0. Please see the 20141231 entry below for
information about prerequisites and upgrading, if you are not already
using clang 3.5.0 or higher.
20200810:
r364092 modified the internal ABI used between the kernel NFS
modules. As such, all of these modules need to be rebuilt
from sources, so a version bump was done.
20200807:
Makefile.inc has been updated to work around the issue documented in
20200729. It was a case where the optimization of using symbolic links
to point to binaries created a situation where we'd run new binaries
with old libraries starting midway through the installworld process.
20200729:
r363679 has redefined some undefined behavior in regcomp(3); notably,
extraneous escapes of most ordinary characters will no longer be
accepted. An exp-run has identified all of the problems with this in
ports, but other non-ports software may need extra escapes removed to
continue to function.
Because of this change, installworld may encounter the following error
from rtld: Undefined symbol "regcomp@FBSD_1.6" -- It is imperative that
you do not halt installworld. Instead, let it run to completion (whether
successful or not) and run installworld once more.
20200627:
A new implementation of bc and dc has been imorted in r362681. This
implementation corrects non-conformant behavior of the previous bc
and adds GNU bc compatible options. It offers a number of extensions,
is much faster on large values, and has support for message catalogs
(a number of languages are already supported, contributions of further
languages welcome). The option WITHOUT_GH_BC can be used to build the
world with the previous versions of bc and dc.
20200625:
r362639 changed the internal API used between the NFS kernel modules.
As such, they all need to be rebuilt from sources.
20200613:
r362158 changed the arguments for VFS_CHECKEXP(). As such, any
out of tree file systems need to be modified and rebuilt.
Also, any file systems that are modules must be rebuilt.
20200604:
read(2) of a directory fd is now rejected by default. root may
re-enable it for system root only on non-ZFS filesystems with the
security.bsd.allow_read_dir sysctl(8) MIB if
security.bsd.suser_enabled=1.
It may be advised to setup aliases for grep to default to `-d skip` if
commonly non-recursively grepping a list that includes directories and
the potential for the resulting stderr output is not tolerable. Example
aliases are now installed, commented out, in /root/.cshrc and
/root/.shrc.
20200523:
Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have
been upgraded to 10.0.1. Please see the 20141231 entry below for
information about prerequisites and upgrading, if you are not already
using clang 3.5.0 or higher.
20200512:
Support for obsolete compilers has been removed from the build system.
Clang 6 and GCC 6.4 are the minimum supported versions.
20200424:
closefrom(2) has been moved under COMPAT12, and replaced in libc with a
stub that calls close_range(2). If using a custom kernel configuration,
you may want to ensure that the COMPAT_FREEBSD12 option is included, as
a slightly older -CURRENT userland and older FreeBSD userlands may not
be functional without closefrom(2).
20200414:
Upstream DTS from Linux 5.6 was merged and they now have the SID
and THS (Secure ID controller and THermal Sensor) node present.
The DTB overlays have now been removed from the tree for the H3/H5 and
A64 SoCs and the aw_sid and aw_thermal driver have been updated to
deal with upstream DTS. If you are using those overlays you need to
remove them from loader.conf and update the DTBs on the FAT partition.
20200310:
Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have
been upgraded to 10.0.0. Please see the 20141231 entry below for
information about prerequisites and upgrading, if you are not already
using clang 3.5.0 or higher.
20200309:
The amd(8) automount daemon has been removed from the source tree.
As of FreeBSD 10.1 autofs(5) is the preferred tool for automounting.
amd is still available in the sysutils/am-utils port.
20200301:
Removed brooktree driver (bktr.4) from the tree.
20200229:
The WITH_GPL_DTC option has been removed. The BSD-licenced device tree
compiler in usr.bin/dtc is used on all architectures which use dtc, and
the GPL dtc is available (if needed) from the sysutils/dtc port.
20200229:
The WITHOUT_LLVM_LIBUNWIND option has been removed. LLVM's libunwind
is used by all supported CPU architectures.
20200229:
GCC 4.2.1 has been removed from the tree. The WITH_GCC,
WITH_GCC_BOOTSTRAP, and WITH_GNUCXX options are no longer available.
Users who wish to build FreeBSD with GCC must use the external toolchain
ports or packages.
20200220:
ncurses has been updated to a newer version (6.2-20200215). Given the ABI
has changed, users will have to rebuild all the ports that are linked to
ncurses.
20200217:
The size of struct vnet and the magic cookie have changed.
Users need to recompile libkvm and all modules using VIMAGE
together with their new kernel.
20200212:
Defining the long deprecated NO_CTF, NO_DEBUG_FILES, NO_INSTALLLIB,
NO_MAN, NO_PROFILE, and NO_WARNS variables is now an error. Update
your Makefiles and scripts to define MK_<var>=no instead as required.
One exception to this is that program or library Makefiles should
define MAN to empty rather than setting MK_MAN=no.
20200108:
Clang/LLVM is now the default compiler and LLD the default
linker for riscv64.
20200107:
make universe no longer uses GCC 4.2.1 on any architectures.
Architectures not supported by in-tree Clang/LLVM require an
external toolchain package.
20200104:
GCC 4.2.1 is now not built by default, as part of the GCC 4.2.1
retirement plan. Specifically, the GCC, GCC_BOOTSTRAP, and GNUCXX
options default to off for all supported CPU architectures. As a
short-term transition aid they may be enabled via WITH_* options.
GCC 4.2.1 is expected to be removed from the tree on 2020-03-31.
20200102:
Support for armv5 has been disconnected and is being removed. The
machine combination MACHINE=arm MACHINE_ARCH=arm is no longer valid.
You must now use a MACHINE_ARCH of armv6 or armv7. The default
MACHINE_ARCH for MACHINE=arm is now armv7.
20191226:
Clang/LLVM is now the default compiler for all powerpc architectures.
LLD is now the default linker for powerpc64. The change for powerpc64
also includes a change to the ELFv2 ABI, incompatible with the existing
ABI.
20191226:
Kernel-loadable random(4) modules are no longer unloadable.
20191222:
Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have
been upgraded to 9.0.1. Please see the 20141231 entry below for
information about prerequisites and upgrading, if you are not already
using clang 3.5.0 or higher.
20191212:
r355677 has modified the internal interface used between the
NFS modules in the kernel. As such, they must all be upgraded
simultaneously. I will do a version bump for this.
20191205:
The root certificates of the Mozilla CA Certificate Store have been
imported into the base system and can be managed with the certctl(8)
utility. If you have installed the security/ca_root_nss port or package
with the ETCSYMLINK option (the default), be advised that there may be
differences between those included in the port and those included in
base due to differences in nss branch used as well as general update
frequency. Note also that certctl(8) cannot manage certs in the
format used by the security/ca_root_nss port.
20191120:
The amd(8) automount daemon has been disabled by default, and will be
removed in the future. As of FreeBSD 10.1 the autofs(5) is available
for automounting.
20191107:
The nctgpio and wbwd drivers have been moved to the superio bus.
If you have one of these drivers in a kernel configuration, then
you should add device superio to it. If you use one of these drivers
as a module and you compile a custom set of modules, then you should
add superio to the set.
20191021:
KPIs for network drivers to access interface addresses have changed.
Users need to recompile NIC driver modules together with kernel.
20191021:
The net.link.tap.user_open sysctl no longer prevents user opening of
already created /dev/tapNN devices. Access is still controlled by
node permissions, just like tun devices. The net.link.tap.user_open
sysctl is now used only to allow users to perform devfs cloning of
tap devices, and the subsequent open may not succeed if the user is not
in the appropriate group. This sysctl may be deprecated/removed
completely in the future.
20191009:
mips, powerpc, and sparc64 are no longer built as part of
universe / tinderbox unless MAKE_OBSOLETE_GCC is defined. If
not defined, mips, powerpc, and sparc64 builds will look for
the xtoolchain binaries and if installed use them for universe
builds. As llvm 9.0 becomes vetted for these architectures, they
will be removed from the list.
20191009:
Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have
been upgraded to 9.0.0. Please see the 20141231 entry below for
information about prerequisites and upgrading, if you are not already
using clang 3.5.0 or higher.
20191003:
The hpt27xx, hptmv, hptnr, and hptrr drivers have been removed from
GENERIC. They are available as modules and can be loaded by adding
to /boot/loader.conf hpt27xx_load="YES", hptmv_load="YES",
hptnr_load="YES", or hptrr_load="YES", respectively.
20190913:
ntpd no longer by default locks its pages in memory, allowing them
to be paged out by the kernel. Use rlimit memlock to restore
historic BSD behaviour. For example, add "rlimit memlock 32"
to ntp.conf to lock up to 32 MB of ntpd address space in memory.
20190823:
Several of ping6's options have been renamed for better consistency
with ping. If you use any of -ARWXaghmrtwx, you must update your
scripts. See ping6(8) for details.
20190727:
The vfs.fusefs.sync_unmount and vfs.fusefs.init_backgrounded sysctls
and the "-o sync_unmount" and "-o init_backgrounded" mount options have
been removed from mount_fusefs(8). You can safely remove them from
your scripts, because they had no effect.
The vfs.fusefs.fix_broken_io, vfs.fusefs.sync_resize,
vfs.fusefs.refresh_size, vfs.fusefs.mmap_enable,
vfs.fusefs.reclaim_revoked, and vfs.fusefs.data_cache_invalidate
sysctls have been removed. If you felt the need to set any of them to
a non-default value, please tell [email protected] why.
20190713:
Default permissions on the /var/account/acct file (and copies of it
rotated by periodic daily scripts) are changed from 0644 to 0640
because the file contains sensitive information that should not be
world-readable. If the /var/account directory must be created by
rc.d/accounting, the mode used is now 0750. Admins who use the
accounting feature are encouraged to change the mode of an existing
/var/account directory to 0750 or 0700.
20190620:
Entropy collection and the /dev/random device are no longer optional
components. The "device random" option has been removed.
Implementations of distilling algorithms can still be made loadable
with "options RANDOM_LOADABLE" (e.g., random_fortuna.ko).
20190612:
Clang, llvm, lld, lldb, compiler-rt, libc++, libunwind and openmp have
been upgraded to 8.0.1. Please see the 20141231 entry below for
information about prerequisites and upgrading, if you are not already
using clang 3.5.0 or higher.
20190608:
A fix was applied to i386 kernel modules to avoid panics with
dpcpu or vnet. Users need to recompile i386 kernel modules
having pcpu or vnet sections or they will refuse to load.
20190513:
User-wired pages now have their own counter,
vm.stats.vm.v_user_wire_count. The vm.max_wired sysctl was renamed
to vm.max_user_wired and changed from an unsigned int to an unsigned
long. bhyve VMs wired with the -S are now subject to the user
wiring limit; the vm.max_user_wired sysctl may need to be tuned to
avoid running into the limit.
20190507:
The IPSEC option has been removed from GENERIC. Users requiring
ipsec(4) must now load the ipsec(4) kernel module.
20190507:
The tap(4) driver has been folded into tun(4), and the module has been
renamed to tuntap. You should update any kld_list="if_tap" or
kld_list="if_tun" entries in /etc/rc.conf, if_tap_load="YES" or
if_tun_load="YES" entries in /boot/loader.conf to load the if_tuntap
module instead, and "device tap" or "device tun" entries in kernel
config files to select the tuntap device instead.
20190418:
The following knobs have been added related to tradeoffs between
safe use of the random device and availability in the absence of
entropy:
kern.random.initial_seeding.bypass_before_seeding: tunable; set
non-zero to bypass the random device prior to seeding, or zero to
block random requests until the random device is initially seeded.
For now, set to 1 (unsafe) by default to restore pre-r346250 boot
availability properties.
kern.random.initial_seeding.read_random_bypassed_before_seeding:
read-only diagnostic sysctl that is set when bypass is enabled and
read_random(9) is bypassed, to enable programmatic handling of this
initial condition, if desired.
kern.random.initial_seeding.arc4random_bypassed_before_seeding:
Similar to the above, but for for arc4random(9) initial seeding.
kern.random.initial_seeding.disable_bypass_warnings: tunable; set
non-zero to disable warnings in dmesg when the same conditions are
met as for the diagnostic sysctls above. Defaults to zero, i.e.,
produce warnings in dmesg when the conditions are met.
20190416:
The loadable random module KPI has changed; the random_infra_init()
routine now requires a 3rd function pointer for a bool (*)(void)
method that returns true if the random device is seeded (and
therefore unblocked).
20190404:
r345895 reverts r320698. This implies that an nfsuserd(8) daemon
built from head sources between r320757 (July 6, 2017) and
r338192 (Aug. 22, 2018) will not work unless the "-use-udpsock"
is added to the command line.
nfsuserd daemons built from head sources that are post-r338192 are
not affected and should continue to work.
20190320:
The fuse(4) module has been renamed to fusefs(4) for consistency with
other filesystems. You should update any kld_load="fuse" entries in
/etc/rc.conf, fuse_load="YES" entries in /boot/loader.conf, and
"options FUSE" entries in kernel config files.
20190304:
Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to
8.0.0. Please see the 20141231 entry below for information about
prerequisites and upgrading, if you are not already using clang 3.5.0
or higher.
20190226:
geom_uzip(4) depends on the new module xz. If geom_uzip is statically
compiled into your custom kernel, add 'device xz' statement to the
kernel config.
20190219:
drm and drm2 have been removed from the tree. Please see
https://wiki.freebsd.org/Graphics for the latest information on
migrating to the drm ports.
20190131:
Iflib is no longer unconditionally compiled into the kernel. Drivers
using iflib and statically compiled into the kernel, now require
the 'device iflib' config option. For the same drivers loaded as
modules on kernels not having 'device iflib', the iflib.ko module
is loaded automatically.
20190125:
The IEEE80211_AMPDU_AGE and AH_SUPPORT_AR5416 kernel configuration
options no longer exist since r343219 and r343427 respectively;
nothing uses them, so they should be just removed from custom
kernel config files.
20181230:
r342635 changes the way efibootmgr(8) works by requiring users to add
the -b (bootnum) parameter for commands where the bootnum was previously
specified with each option. For example 'efibootmgr -B 0001' is now
'efibootmgr -B -b 0001'.
20181220:
r342286 modifies the NFSv4 server so that it obeys vfs.nfsd.nfs_privport
in the same as it is applied to NFSv2 and 3. This implies that NFSv4
servers that have vfs.nfsd.nfs_privport set will only allow mounts
from clients using a reserved port#. Since both the FreeBSD and Linux
NFSv4 clients use reserved port#s by default, this should not affect
most NFSv4 mounts.
20181219:
The XLP config has been removed. We can't support 64-bit atomics in this
kernel because it is running in 32-bit mode. XLP users must transition
to running a 64-bit kernel (XLP64 or XLPN32).
The mips GXEMUL support has been removed from FreeBSD. MALTA* + qemu is
the preferred emulator today and we don't need two different ones.
The old sibyte / swarm / Broadcom BCM1250 support has been
removed from the mips port.
20181211:
Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to
7.0.1. Please see the 20141231 entry below for information about
prerequisites and upgrading, if you are not already using clang 3.5.0
or higher.
20181211:
Remove the timed and netdate programs from the base tree. Setting
the time with these daemons has been obsolete for over a decade.
20181126:
On amd64, arm64 and armv7 (architectures that install LLVM's ld.lld
linker as /usr/bin/ld) GNU ld is no longer installed as ld.bfd, as
it produces broken binaries when ifuncs are in use. Users needing
GNU ld should install the binutils port or package.
20181123:
The BSD crtbegin and crtend code has been enabled by default. It has
had extensive testing on amd64, arm64, and i386. It can be disabled
by building a world with -DWITHOUT_BSD_CRTBEGIN.
20181115:
The set of CTM commands (ctm, ctm_smail, ctm_rmail, ctm_dequeue)
has been converted to a port (misc/ctm) and will be removed from
FreeBSD-13. It is available as a package (ctm) for all supported
FreeBSD versions.
20181110:
The default newsyslog.conf(5) file has been changed to only include
files in /etc/newsyslog.conf.d/ and /usr/local/etc/newsyslog.conf.d/ if
the filenames end in '.conf' and do not begin with a '.'.
You should check the configuration files in these two directories match
this naming convention. You can verify which configuration files are
being included using the command:
$ newsyslog -Nrv
20181015:
Ports for the DRM modules have been simplified. Now, amd64 users should
just install the drm-kmod port. All others should install
drm-legacy-kmod.
Graphics hardware that's newer than about 2010 usually works with
drm-kmod. For hardware older than 2013, however, some users will need
to use drm-legacy-kmod if drm-kmod doesn't work for them. Hardware older
than 2008 usually only works in drm-legacy-kmod. The graphics team can
only commit to hardware made since 2013 due to the complexity of the
market and difficulty to test all the older cards effectively. If you
have hardware supported by drm-kmod, you are strongly encouraged to use
that as you will get better support.
Other than KPI chasing, drm-legacy-kmod will not be updated. As outlined
elsewhere, the drm and drm2 modules will be eliminated from the src base
soon (with a limited exception for arm). Please update to the package
asap and report any issues to [email protected].
Generally, anybody using the drm*-kmod packages should add
WITHOUT_DRM_MODULE=t and WITHOUT_DRM2_MODULE=t to avoid nasty
cross-threading surprises, especially with automatic driver
loading from X11 startup. These will become the defaults in 13-current
shortly.
20181012:
The ixlv(4) driver has been renamed to iavf(4). As a consequence,
custom kernel and module loading configuration files must be updated
accordingly. Moreover, interfaces previous presented as ixlvN to the
system are now exposed as iavfN and network configuration files must
be adjusted as necessary.
20181009:
OpenSSL has been updated to version 1.1.1. This update included
additional various API changes throughout the base system. It is
important to rebuild third-party software after upgrading. The value
of __FreeBSD_version has been bumped accordingly.
20181006:
The legacy DRM modules and drivers have now been added to the loader's
module blacklist, in favor of loading them with kld_list in rc.conf(5).
The module blacklist may be overridden with the loader.conf(5)
'module_blacklist' variable, but loading them via rc.conf(5) is strongly
encouraged.
20181002:
The cam(4) based nda(4) driver will be used over nvd(4) by default on
powerpc64. You may set 'options NVME_USE_NVD=1' in your kernel conf or
loader tunable 'hw.nvme.use_nvd=1' if you wish to use the existing
driver. Make sure to edit /boot/etc/kboot.conf and fstab to use the
nda device name.
20180913:
Reproducible build mode is now on by default, in preparation for
FreeBSD 12.0. This eliminates build metadata such as the user,
host, and time from the kernel (and uname), unless the working tree
corresponds to a modified checkout from a version control system.
The previous behavior can be obtained by setting the /etc/src.conf
knob WITHOUT_REPRODUCIBLE_BUILD.
20180826:
The Yarrow CSPRNG has been removed from the kernel as it has not been
supported by its designers since at least 2003. Fortuna has been the
default since FreeBSD-11.
20180822:
devctl freeze/thaw have gone into the tree, the rc scripts have been
updated to use them and devmatch has been changed. You should update
kernel, userland and rc scripts all at the same time.
20180818:
The default interpreter has been switched from 4th to Lua.
LOADER_DEFAULT_INTERP, documented in build(7), will override the default
interpreter. If you have custom FORTH code you will need to set
LOADER_DEFAULT_INTERP=4th (valid values are 4th, lua or simp) in
src.conf for the build. This will create default hard links between
loader and loader_4th instead of loader and loader_lua, the new default.
If you are using UEFI it will create the proper hard link to loader.efi.
bhyve uses userboot.so. It remains 4th-only until some issues are solved
regarding coexisting with multiple versions of FreeBSD are resolved.
20180815:
ls(1) now respects the COLORTERM environment variable used in other
systems and software to indicate that a colored terminal is both
supported and desired. If ls(1) is suddenly emitting colors, they may
be disabled again by either removing the unwanted COLORTERM from your
environment, or using `ls --color=never`. The ls(1) specific CLICOLOR
may not be observed in a future release.
20180808:
The default pager for most commands has been changed to "less". To
restore the old behavior, set PAGER="more" and MANPAGER="more -s" in
your environment.
20180731:
The jedec_ts(4) driver has been removed. A superset of its functionality
is available in the jedec_dimm(4) driver, and the manpage for that
driver includes migration instructions. If you have "device jedec_ts"
in your kernel configuration file, it must be removed.
20180730:
amd64/GENERIC now has EFI runtime services, EFIRT, enabled by default.
This should have no effect if the kernel is booted via BIOS/legacy boot.
EFIRT may be disabled via a loader tunable, efi.rt.disabled, if a system
has a buggy firmware that prevents a successful boot due to use of
runtime services.
20180727:
Atmel AT91RM9200 and AT91SAM9, Cavium CNS 11xx and XScale
support has been removed from the tree. These ports were
obsolete and/or known to be broken for many years.
20180723:
loader.efi has been augmented to participate more fully in the
UEFI boot manager protocol. loader.efi will now look at the
BootXXXX environment variable to determine if a specific kernel
or root partition was specified. XXXX is derived from BootCurrent.
efibootmgr(8) manages these standard UEFI variables.
20180720:
zfsloader's functionality has now been folded into loader.
zfsloader is no longer necessary once you've updated your
boot blocks. For a transition period, we will install a
hardlink for zfsloader to loader to allow a smooth transition
until the boot blocks can be updated (hard link because old
zfs boot blocks don't understand symlinks).
20180719:
ARM64 now have efifb support, if you want to have serial console
on your arm64 board when an screen is connected and the bootloader
setup a frame buffer for us to use, just add :
boot_serial=YES
boot_multicons=YES
in /boot/loader.conf
For Raspberry Pi 3 (RPI) users, this is needed even if you don't have
an screen connected as the firmware will setup a frame buffer are that
u-boot will expose as an EFI frame buffer.
20180719:
New uid:gid added, ntpd:ntpd (123:123). Be sure to run mergemaster
or take steps to update /etc/passwd before doing installworld on
existing systems. Do not skip the "mergemaster -Fp" step before
installworld, as described in the update procedures near the bottom
of this document. Also, rc.d/ntpd now starts ntpd(8) as user ntpd
if the new mac_ntpd(4) policy is available, unless ntpd_flags or
the ntp config file contain options that change file/dir locations.
When such options (e.g., "statsdir" or "crypto") are used, ntpd can
still be run as non-root by setting ntpd_user=ntpd in rc.conf, after
taking steps to ensure that all required files/dirs are accessible
by the ntpd user.
20180717:
Big endian arm support has been removed.
20180711:
The static environment setup in kernel configs is no longer mutually
exclusive with the loader(8) environment by default. In order to
restore the previous default behavior of disabling the loader(8)
environment if a static environment is present, you must specify
loader_env.disabled=1 in the static environment.
20180705:
The ABI of syscalls used by management tools like sockstat and
netstat has been broken to allow 32-bit binaries to work on
64-bit kernels without modification. These programs will need
to match the kernel in order to function. External programs may
require minor modifications to accommodate a change of type in
structures from pointers to 64-bit virtual addresses.
20180702:
On i386 and amd64 atomics are now inlined. Out of tree modules using
atomics will need to be rebuilt.
20180701:
The '%I' format in the kern.corefile sysctl limits the number of
core files that a process can generate to the number stored in the
debug.ncores sysctl. The '%I' format is replaced by the single digit
index. Previously, if all indexes were taken the kernel would overwrite
only a core file with the highest index in a filename.
Currently the system will create a new core file if there is a free
index or if all slots are taken it will overwrite the oldest one.
20180630:
Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to
6.0.1. Please see the 20141231 entry below for information about
prerequisites and upgrading, if you are not already using clang 3.5.0
or higher.
20180628:
r335753 introduced a new quoting method. However, etc/devd/devmatch.conf
needed to be changed to work with it. This change was made with r335763
and requires a mergemaster / etcupdate / etc to update the installed
file.
20180612:
r334930 changed the interface between the NFS modules, so they all
need to be rebuilt. r335018 did a __FreeBSD_version bump for this.
20180530:
As of r334391 lld is the default amd64 system linker; it is installed
as /usr/bin/ld. Kernel build workarounds (see 20180510 entry) are no
longer necessary.
20180530:
The kernel / userland interface for devinfo changed, so you'll
need a new kernel and userland as a pair for it to work (rebuilding
lib/libdevinfo is all that's required). devinfo and devmatch will
not work, but everything else will when there's a mismatch.
20180523:
The on-disk format for hwpmc callchain records has changed to include
threadid corresponding to a given record. This changes the field offsets
and thus requires that libpmcstat be rebuilt before using a kernel
later than r334108.
20180517:
The vxge(4) driver has been removed. This driver was introduced into
HEAD one week before the Exar left the Ethernet market and is not
known to be used. If you have device vxge in your kernel config file
it must be removed.
20180510:
The amd64 kernel now requires a ld that supports ifunc to produce a
working kernel, either lld or a newer binutils. lld is built by default
on amd64, and the 'buildkernel' target uses it automatically. However,
it is not the default linker, so building the kernel the traditional
way requires LD=ld.lld on the command line (or LD=/usr/local/bin/ld for
binutils port/package). lld will soon be default, and this requirement
will go away.
NOTE: As of r334391 lld is the default system linker on amd64, and no
workaround is necessary.
20180508:
The nxge(4) driver has been removed. This driver was for PCI-X 10g
cards made by s2io/Neterion. The company was acquired by Exar and
no longer sells or supports Ethernet products. If you have device
nxge in your kernel config file it must be removed.
20180504:
The tz database (tzdb) has been updated to 2018e. This version more
correctly models time stamps in time zones with negative DST such as
Europe/Dublin (from 1971 on), Europe/Prague (1946/7), and
Africa/Windhoek (1994/2017). This does not affect the UT offsets, only
time zone abbreviations and the tm_isdst flag.
20180502:
The ixgb(4) driver has been removed. This driver was for an early and
uncommon legacy PCI 10GbE for a single ASIC, Intel 82597EX. Intel
quickly shifted to the long lived ixgbe family. If you have device
ixgb in your kernel config file it must be removed.
20180501:
The lmc(4) driver has been removed. This was a WAN interface
card that was already reportedly rare in 2003, and had an ambiguous
license. If you have device lmc in your kernel config file it must
be removed.
20180413:
Support for Arcnet networks has been removed. If you have device
arcnet or device cm in your kernel config file they must be
removed.
20180411:
Support for FDDI networks has been removed. If you have device
fddi or device fpa in your kernel config file they must be
removed.
20180406:
In addition to supporting RFC 3164 formatted messages, the
syslogd(8) service is now capable of parsing RFC 5424 formatted
log messages. The main benefit of using RFC 5424 is that clients
may now send log messages with timestamps containing year numbers,
microseconds and time zone offsets.
Similarly, the syslog(3) C library function has been altered to
send RFC 5424 formatted messages to the local system logging
daemon. On systems using syslogd(8), this change should have no
negative impact, as long as syslogd(8) and the C library are
updated at the same time. On systems using a different system
logging daemon, it may be necessary to make configuration
adjustments, depending on the software used.
When using syslog-ng, add the 'syslog-protocol' flag to local
input sources to enable parsing of RFC 5424 formatted messages:
source src {
unix-dgram("/var/run/log" flags(syslog-protocol));
}
When using rsyslog, disable the 'SysSock.UseSpecialParser' option
of the 'imuxsock' module to let messages be processed by the
regular RFC 3164/5424 parsing pipeline:
module(load="imuxsock" SysSock.UseSpecialParser="off")
Do note that these changes only affect communication between local
applications and syslogd(8). The format that syslogd(8) uses to
store messages on disk or forward messages to other systems
remains unchanged. syslogd(8) still uses RFC 3164 for these
purposes. Options to customize this behaviour will be added in the
future. Utilities that process log files stored in /var/log are
thus expected to continue to function as before.
__FreeBSD_version has been incremented to 1200061 to denote this
change.
20180328:
Support for token ring networks has been removed. If you
have "device token" in your kernel config you should remove
it. No device drivers supported token ring.
20180323:
makefs was modified to be able to tag ISO9660 El Torito boot catalog
entries as EFI instead of overloading the i386 tag as done previously.
The amd64 mkisoimages.sh script used to build amd64 ISO images for
release was updated to use this. This may mean that makefs must be
updated before "make cdrom" can be run in the release directory. This
should be as simple as:
$ cd $SRCDIR/usr.sbin/makefs
$ make depend all install
20180212:
FreeBSD boot loader enhanced with Lua scripting. It's purely opt-in for
now by building WITH_LOADER_LUA and WITHOUT_FORTH in /etc/src.conf.
Co-existence for the transition period will come shortly. Booting is a
complex environment and test coverage for Lua-enabled loaders has been
thin, so it would be prudent to assume it might not work and make
provisions for backup boot methods.
20180211:
devmatch functionality has been turned on in devd. It will automatically
load drivers for unattached devices. This may cause unexpected drivers
to be loaded. Please report any problems to current@ and
20180114:
Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to
6.0.0. Please see the 20141231 entry below for information about
prerequisites and upgrading, if you are not already using clang 3.5.0
or higher.
20180110:
LLVM's lld linker is now used as the FreeBSD/amd64 bootstrap linker.
This means it is used to link the kernel and userland libraries and
executables, but is not yet installed as /usr/bin/ld by default.
To revert to ld.bfd as the bootstrap linker, in /etc/src.conf set
WITHOUT_LLD_BOOTSTRAP=yes
20180110:
On i386, pmtimer has been removed. Its functionality has been folded
into apm. It was a no-op on ACPI in current for a while now (but was
still needed on i386 in FreeBSD 11 and earlier). Users may need to
remove it from kernel config files.
20180104:
The use of RSS hash from the network card aka flowid has been
disabled by default for lagg(4) as it's currently incompatible with
the lacp and loadbalance protocols.
This can be re-enabled by setting the following in loader.conf:
net.link.lagg.default_use_flowid="1"
20180102:
The SW_WATCHDOG option is no longer necessary to enable the
hardclock-based software watchdog if no hardware watchdog is
configured. As before, SW_WATCHDOG will cause the software
watchdog to be enabled even if a hardware watchdog is configured.
20171215:
r326887 fixes the issue described in the 20171214 UPDATING entry.
r326888 flips the switch back to building GELI support always.
20171214:
r362593 broke ZFS + GELI support for reasons unknown. However,
it also broke ZFS support generally, so GELI has been turned off
by default as the lesser evil in r326857. If you boot off ZFS and/or
GELI, it might not be a good time to update.
20171125:
PowerPC users must update loader(8) by rebuilding world before
installing a new kernel, as the protocol connecting them has
changed. Without the update, loader metadata will not be passed
successfully to the kernel and users will have to enter their
root partition at the kernel mountroot prompt to continue booting.
Newer versions of loader can boot old kernels without issue.
20171110:
The LOADER_FIREWIRE_SUPPORT build variable as been renamed to
WITH/OUT_LOADER_FIREWIRE. LOADER_{NO_,}GELI_SUPPORT has been renamed
to WITH/OUT_LOADER_GELI.
20171106:
The naive and non-compliant support of posix_fallocate(2) in ZFS
has been removed as of r325320. The system call now returns EINVAL
when used on a ZFS file. Although the new behavior complies with the
standard, some consumers are not prepared to cope with it.
One known victim is lld prior to r325420.
20171102:
Building in a FreeBSD src checkout will automatically create object
directories now rather than store files in the current directory if
'make obj' was not ran. Calling 'make obj' is no longer necessary.
This feature can be disabled by setting WITHOUT_AUTO_OBJ=yes in
/etc/src-env.conf (not /etc/src.conf), or passing the option in the
environment.
20171101:
The default MAKEOBJDIR has changed from /usr/obj/<srcdir> for native
builds, and /usr/obj/<arch>/<srcdir> for cross-builds, to a unified
/usr/obj/<srcdir>/<arch>. This behavior can be changed to the old
format by setting WITHOUT_UNIFIED_OBJDIR=yes in /etc/src-env.conf,
the environment, or with -DWITHOUT_UNIFIED_OBJDIR when building.
The UNIFIED_OBJDIR option is a transitional feature that will be
removed for 12.0 release; please migrate to the new format for any
tools by looking up the OBJDIR used by 'make -V .OBJDIR' means rather
than hardcoding paths.
20171028:
The native-xtools target no longer installs the files by default to the
OBJDIR. Use the native-xtools-install target with a DESTDIR to install
to ${DESTDIR}/${NXTP} where NXTP defaults to /nxb-bin.
20171021:
As part of the boot loader infrastructure cleanup, LOADER_*_SUPPORT
options are changing from controlling the build if defined / undefined
to controlling the build with explicit 'yes' or 'no' values. They will
shift to WITH/WITHOUT options to match other options in the system.
20171010:
libstand has turned into a private library for sys/boot use only.
It is no longer supported as a public interface outside of sys/boot.
20171005:
The arm port has split armv6 into armv6 and armv7. armv7 is now
a valid TARGET_ARCH/MACHINE_ARCH setting. If you have an armv7 system
and are running a kernel from before r324363, you will need to add
MACHINE_ARCH=armv7 to 'make buildworld' to do a native build.
20171003:
When building multiple kernels using KERNCONF, non-existent KERNCONF
files will produce an error and buildkernel will fail. Previously
missing KERNCONF files silently failed giving no indication as to
why, only to subsequently discover during installkernel that the
desired kernel was never built in the first place.
20170912:
The default serial number format for CTL LUNs has changed. This will
affect users who use /dev/diskid/* device nodes, or whose FibreChannel
or iSCSI clients care about their LUNs' serial numbers. Users who
require serial number stability should hardcode serial numbers in
/etc/ctl.conf .
20170912:
For 32-bit arm compiled for hard-float support, soft-floating point
binaries now always get their shared libraries from
LD_SOFT_LIBRARY_PATH (in the past, this was only used if
/usr/libsoft also existed). Only users with a hard-float ld.so, but
soft-float everything else should be affected.
20170826:
The geli password typed at boot is now hidden. To restore the previous
behavior, see geli(8) for configuration options.
20170825:
Move PMTUD blackhole counters to TCPSTATS and remove them from bare
sysctl values. Minor nit, but requires a rebuild of both world/kernel
to complete.
20170814:
"make check" behavior (made in ^/head@r295380) has been changed to
execute from a limited sandbox, as opposed to executing from
${TESTSDIR}.
Behavioral changes:
- The "beforecheck" and "aftercheck" targets are now specified.
- ${CHECKDIR} (added in commit noted above) has been removed.
- Legacy behavior can be enabled by setting
WITHOUT_MAKE_CHECK_USE_SANDBOX in src.conf(5) or the environment.
If the limited sandbox mode is enabled, "make check" will execute
"make distribution", then install, execute the tests, and clean up the
sandbox if successful.
The "make distribution" and "make install" targets are typically run as
root to set appropriate permissions and ownership at installation time.
The end-user should set "WITH_INSTALL_AS_USER" in src.conf(5) or the
environment if executing "make check" with limited sandbox mode using
an unprivileged user.
20170808:
Since the switch to GPT disk labels, fsck for UFS/FFS has been
unable to automatically find alternate superblocks. As of r322297,
the information needed to find alternate superblocks has been
moved to the end of the area reserved for the boot block.
Filesystems created with a newfs of this vintage or later
will create the recovery information. If you have a filesystem
created prior to this change and wish to have a recovery block
created for your filesystem, you can do so by running fsck in
foreground mode (i.e., do not use the -p or -y options). As it
starts, fsck will ask ``SAVE DATA TO FIND ALTERNATE SUPERBLOCKS''
to which you should answer yes.
20170728:
As of r321665, an NFSv4 server configuration that services
Kerberos mounts or clients that do not support the uid/gid in
owner/owner_group string capability, must explicitly enable
the nfsuserd daemon by adding nfsuserd_enable="YES" to the
machine's /etc/rc.conf file.
20170722:
Clang, llvm, lldb, compiler-rt and libc++ have been upgraded to 5.0.0.
Please see the 20141231 entry below for information about prerequisites
and upgrading, if you are not already using clang 3.5.0 or higher.
20170701:
WITHOUT_RCMDS is now the default. Set WITH_RCMDS if you need the
r-commands (rlogin, rsh, etc.) to be built with the base system.
20170625:
The FreeBSD/powerpc platform now uses a 64-bit type for time_t. This is
a very major ABI incompatible change, so users of FreeBSD/powerpc must