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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 <imp@freebsd.org>.
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://docs.freebsd.org/en/books/handbook/cutting-edge/#makeworld
Items affecting the ports and packages system can be found in
/usr/ports/UPDATING. Please read that file before updating system packages
and/or ports.
NOTE TO PEOPLE WHO THINK THAT FreeBSD 14.x IS SLOW:
FreeBSD 14.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 WITH_MALLOC_PRODUCTION in /etc/src.conf and rebuild
world, or to merely disable the most expensive debugging functionality
at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
20220610:
LinuxKPI pm.h changes require an update to the latest drm-kmod version
before re-compiling to avoid errors.
20211230:
The macros provided for the manipulation of CPU sets (e.g. CPU_AND)
have been modified to take 2 source arguments instead of only 1.
Externally maintained sources that use these macros will have to
be adapted. The FreeBSD version has been bumped to 1400046 to
reflect this change.
20211214:
A number of the kernel include files are able to be included by
themselves. A test has been added to buildworld to enforce this.
20211209:
Remove mips as a recognized target. This starts the decommissioning of
mips support in FreeBSD. mips related items will be removed wholesale in
the coming days and weeks.
This broke the NO_CLEAN build for some people. Either do a clean build
or touch
lib/clang/include/llvm/Config/Targets.def
lib/clang/include/llvm/Config/AsmParsers.def
lib/clang/include/llvm/Config/Disassemblers.def
lib/clang/include/llvm/Config/AsmPrinters.def
before the build to force everything to rebuild that needs to.
20211202:
Unbound support for RFC8375: The special-use domain 'home.arpa' is
by default blocked. To unblock it use a local-zone nodefault
statement in unbound.conf:
local-zone: "home.arpa." nodefault
Or use another type of local-zone to override with your choice.
The reason for this is discussed in Section 6.1 of RFC8375:
Because 'home.arpa.' is not globally scoped and cannot be secured
using DNSSEC based on the root domain's trust anchor, there is no way
to tell, using a standard DNS query, in which homenet scope an answer
belongs. Consequently, users may experience surprising results with
such names when roaming to different homenets.
20211110:
Commit b8d60729deef changed the TCP congestion control framework so
that any of the included congestion control modules could be
the single module built into the kernel. Previously newreno
was automatically built in through direct reference. As of
this commit you are required to declare at least one congestion
control module (e.g. 'options CC_NEWRENO') and to also declare a
default using the CC_DEFAULT option (e.g. options CC_DEFAULT="newreno\").
The GENERIC configuration includes CC_NEWRENO and defines newreno
as the default. If no congestion control option is built into the
kernel and you are including networking, the kernel compile will
fail. Also if no default is declared the kernel compile will fail.
20211118:
Mips has been removed from universe builds. It will be removed from the
tree shortly.
20211106:
Commit f0c9847a6c47 changed the arguments for VOP_ALLOCATE.
The NFS modules must be rebuilt from sources and any out
of tree file systems that implement their own VOP_ALLOCATE
may need to be modified.
20211022:
The synchronous PPP kernel driver sppp(4) has been removed.
The cp(4) and ce(4) drivers are now always compiled with netgraph(4)
support, formerly enabled by NETGRAPH_CRONYX option.
20211020:
sh(1) is now the default shell for the root user. To force root to use
the csh shell, please run the following command as root:
# chsh -s csh
20211004:
Ncurses distribution has been split between libtinfow and libncurses
with libncurses.so becoming a linker (ld) script to seamlessly link
to libtinfow as needed. Bump _FreeBSD_version to 1400035 to reflect
this change.
20210923:
As of commit 8160a0f62be6, the dummynet module no longer depends on the
ipfw module. Dummynet can now be used by pf as well as ipfw. As such
users who relied on this dependency may need to include ipfw in the
list of modules to load on their systems.
20210922:
As of commit 903873ce1560, the mixer(8) utility has got a slightly
new syntax. Please refer to the mixer(8) manual page for more
information. The old mixer utility can be installed from ports:
audio/freebsd-13-mixer
20210911:
As of commit 55089ef4f8bb, the global variable nfs_maxcopyrange has
been deleted from the nfscommon.ko. As such, nfsd.ko must be built
from up to date sources to avoid an undefined reference when
being loaded.
20210817:
As of commit 62ca9fc1ad56 OpenSSL no longer enables kernel TLS
by default. Users can enable kernel TLS via the "KTLS" SSL
option. This can be enabled globally by using a custom
OpenSSL config file via OPENSSL_CONF or via an
application-specific configuration option for applications
which permit setting SSL options via SSL_CONF_cmd(3).
20210811:
Commit 3ad1e1c1ce20 changed the internal KAPI between the NFS
modules. Therefore, all need to be rebuilt from sources.
20210730:
Commit b69019c14cd8 removes pf's DIOCGETSTATESNV ioctl.
As of be70c7a50d32 it is no longer used by userspace, but it does mean
users may not be able to enumerate pf states if they update the kernel
past b69019c14cd8 without first updating userspace past be70c7a50d32.
20210729:
As of commit 01ad0c007964 if_bridge member interfaces can no longer
change their MTU. Changing the MTU of the bridge itself will change the
MTU on all member interfaces instead.
20210716:
Commit ee29e6f31111 changed the internal KAPI between the nfscommon
and nfsd modules. Therefore, both need to be rebuilt from sources.
Bump __FreeBSD_version to 1400026 for this KAPI change.
20210715:
The 20210707 awk update brought in a change in behavior. This has
been corrected as of d4d252c49976. Between these dates, if you
installed a new awk binary, you may not be able to build a new
kernel because the change in behavior affected the genoffset
script used to build the kernel. If you did update, the fix is
to update your sources past the above hash and do
% cd usr.bin/awk
% make clean all
% sudo -E make install
to enable building kernels again.
20210708:
Commit 1e0a518d6548 changed the internal KAPI between the NFS
modules. They all need to be rebuilt from sources. I did not
bump __FreeBSD_version, since it was bumped recently.
20210707:
awk has been updated to the latest one-true-awk version 20210215.
This contains a number of minor bug fixes.
20210624:
The NFSv4 client now uses the highest minor version of NFSv4
supported by the NFSv4 server by default instead of minor version 0,
for NFSv4 mounts.
The "minorversion" mount option may be used to override this default.
20210618:
Bump __FreeBSD_version to 1400024 for LinuxKPI changes.
Most notably netdev.h can change now as the (last) dependencies
(mlx4/ofed) are now using struct ifnet directly, but also for PCI
additions and others.
20210618:
The directory "blacklisted" under /usr/share/certs/ has been
renamed to "untrusted".
20210611:
svnlite has been removed from base. Should you need svn for any reason
please install the svn package or port.
20210611:
Commit e1a907a25cfa changed the internal KAPI between the krpc
and nfsserver. As such, both modules must be rebuilt from
sources. Bump __FreeBSD_version to 1400022.
20210610:
The an(4) driver has been removed from FreeBSD.
20210608:
The vendor/openzfs branch was renamed to vendor/openzfs/legacy to
start tracking OpenZFS upstream more closely. Please see
https://lists.freebsd.org/archives/freebsd-current/2021-June/000153.html
for details on how to correct any errors that might result. The
short version is that you need to remove the old branch locally:
git update-ref -d refs/remotes/freebsd/vendor/openzfs
(assuming your upstream origin is named 'freebsd').
20210525:
Commits 17accc08ae15 and de102f870501 add new files to LinuxKPI
which break drm-kmod. In addition various other additions where
committed. Bump __FreeBSD_version to 1400015 to be able to
detect this.
20210513:
Commit ca179c4d74f2 changed the package in which the OpenSSL
libraries and utilities are packaged.
It is recommended for pkgbase user to do:
pkg install -f FreeBSD-openssl
before pkg upgrade otherwise some dependencies might not be met
and pkg will stop working as libssl will not be present anymore
on the system.
20210426:
Commit 875977314881 changed the internal KAPI between
the nfsd and nfscommon modules. As such these modules
need to be rebuilt from sources.
Without this patch in your NFSv4.1/4.2 server, enabling
delegations by setting vfs.nfsd.issue_delegations non-zero
is not recommended.
20210411:
Commit 7763814fc9c2 changed the internal KAPI between
the krpc and NFS. As such, the krpc, nfscommon and
nfscl modules must all be rebuilt from sources.
Without this patch, NFSv4.1/4.2 mounts should not
be done with the nfscbd(8) daemon running, to avoid
needing a working back channel for server->client RPCs.
20210330:
Commit 01ae8969a9ee fixed the NFSv4.1/4.2 server so that it
handles binding of the back channel as required by RFC5661.
Until this patch is in your server, avoid use of the "nconnects"
mount option for Linux NFSv4.1/4.2 mounts.
20210225:
For 64-bit architectures the base system is now built with Position
Independent Executable (PIE) support enabled by default. It may be
disabled using the WITHOUT_PIE knob. A clean build is required.
20210128:
Various LinuxKPI functionality was added which conflicts with DRM.
Please update your drm-kmod port to after the __FreeBSD_version 1400003
update.
20210108:
PC Card attachments for all devices have been removed. In the case of
wi and cmx, the entire drivers were removed because they were only
PC Card devices. FreeBSD_version 1300134 should be used for this
since it was bumped so recently.
20210107:
Transport-independent parts of HID support have been split off the USB
code in to separate subsystem. Kernel configs which include one of
ums, ukbd, uhid, atp, wsp, wmt, uaudio, ugold or ucycom drivers should
be updated with adding of "device hid" line.
20210105:
ncurses installation has been modified to only keep the widechar
enabled version. Incremental build is broken for that change, so it
requires a clean build.
20201223:
The FreeBSD project has migrated from Subversion to Git. Temporary
instructions can be found at
https://github.com/bsdimp/freebsd-git-docs/blob/main/src-cvt.md
and other documents in that repo.
20201216:
The services database has been updated to cover more of the basic
services expected in a modern system. The database is big enough
that it will cause issues in mergemaster in Releases previous to
12.2 and 11.3, or in very old current systems from before r358154.
20201215:
Obsolete in-tree GDB 6.1.1 has been removed. GDB (including kgdb)
may be installed from ports or packages.
20201124:
ping6 has been merged into ping. It can now be called as "ping -6".
See ping(8) for details.
20201108:
Default value of net.add_addr_allfibs has been changed to 0.
If you have multi-fib configuration and rely on existence of all
interface routes in every fib, you need to set the above sysctl to 1.
20201030:
The internal pre-processor in the calendar(1) program has been
extended to support more C pre-processor commands (e.g. #ifdef, #else,
and #undef) and to detect unbalanced conditional statements.
Error messages have been extended to include the filename and line
number if processing stops to help fixing malformed data files.
20201026:
All the data files for the calendar(1) program, except calendar.freebsd,
have been moved to the deskutils/calendar-data port, much like the
jewish calendar entries were moved to deskutils/hebcal years ago. After
make delete-old-files, you need to install it to retain full
functionality. calendar(1) will issue a reminder for files it can't
find.
20200923:
LINT files are no longer generated. We now include the relevant NOTES
files. Note: This may cause conflicts with updating in some cases.
find sys -name LINT\* -delete
is suggested across this commit to remove the generated LINT files.
If you have tried to update with generated files there, the svn
command you want to un-auger the tree is
cd sys/amd64/conf
svn revert -R .
and then do the above find from the top level. Substitute 'amd64'
above with where the error message indicates a conflict.
20200824:
OpenZFS support has been integrated. Do not upgrade root pools until
the loader is updated to support zstd. Furthermore, we caution against
'zpool upgrade' for the next few weeks. The change should be transparent
unless you want to use new features.
Not all "NO_CLEAN" build scenarios work across these changes. Many
scenarios have been tested and fixed, but rebuilding kernels without
rebuilding world may fail.
The ZFS cache file has moved from /boot to /etc to match the OpenZFS
upstream default. A fallback to /boot has been added for mountroot.
Pool auto import behavior at boot has been moved from the kernel module
to an explicit "zpool import -a" in one of the rc scripts enabled by
zfs_enable=YES. This means your non-root zpools won't auto import until
you upgrade your /etc/rc.d files.
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 imported 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 asomers@FreeBSD.org 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 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 ports 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 x11@freebsd.org.
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