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&os; &release.current; Release Notes The &os; Project $FreeBSD$ 2018 The &os; Documentation Project &tm-attrib.freebsd; &tm-attrib.ibm; &tm-attrib.ieee; &tm-attrib.intel; &tm-attrib.sparc; &tm-attrib.general; The release notes for &os; &release.current; contain a summary of the changes made to the &os; base system on the &release.branch; development line. This document lists applicable security advisories that were issued since the last release, as well as significant changes to the &os; kernel and userland. Some brief remarks on upgrading are also presented. Introduction This document contains the release notes for &os; &release.current;. It describes recently added, changed, or deleted features of &os;. It also provides some notes on upgrading from previous versions of &os;. The &release.type; distribution to which these release notes apply represents the latest point along the &release.branch; development branch since &release.branch; was created. Information regarding pre-built, binary &release.type; distributions along this branch can be found at &release.url;. The &release.type; distribution to which these release notes apply represents a point along the &release.branch; development branch between &release.prev; and the future &release.next;. Information regarding pre-built, binary &release.type; distributions along this branch can be found at &release.url;. This distribution of &os; &release.current; is a &release.type; distribution. It can be found at &release.url; or any of its mirrors. More information on obtaining this (or other) &release.type; distributions of &os; can be found in the Obtaining &os; appendix to the &os; Handbook. All users are encouraged to consult the release errata before installing &os;. The errata document is updated with late-breaking information discovered late in the release cycle or after the release. Typically, it contains information on known bugs, security advisories, and corrections to documentation. An up-to-date copy of the errata for &os; &release.current; can be found on the &os; Web site. This document describes the most user-visible new or changed features in &os; since &release.prev;. In general, changes described here are unique to the &release.branch; branch unless specifically marked as &merged; features. Typical release note items document recent security advisories issued after &release.prev;, new drivers or hardware support, new commands or options, major bug fixes, or contributed software upgrades. They may also list changes to major ports/packages or release engineering practices. Clearly the release notes cannot list every single change made to &os; between releases; this document focuses primarily on security advisories, user-visible changes, and major architectural improvements. Upgrading from Previous Releases of &os; Binary upgrades between RELEASE versions (and snapshots of the various security branches) are supported using the &man.freebsd-update.8; utility. The binary upgrade procedure will update unmodified userland utilities, as well as unmodified GENERIC kernels distributed as a part of an official &os; release. The &man.freebsd-update.8; utility requires that the host being upgraded have Internet connectivity. Source-based upgrades (those based on recompiling the &os; base system from source code) from previous versions are supported, according to the instructions in /usr/src/UPDATING. Upgrading &os; should only be attempted after backing up all data and configuration files. Security and Errata This section lists the various Security Advisories and Errata Notices since &release.prev;. Security Advisories &security; Errata Notices &errata; Userland This section covers changes and additions to userland applications, contributed software, and system utilities. Userland Application Changes The &man.ln.1; utility has been updated to correct the behavior of the -F flag by unlinking an existing directory before creating a symbolic link. The &man.crontab.1; utility has been updated to include a new flag, -f, which forces &man.crontab.5; removal when -r is used non-interactively. The &man.newsyslog.8; utility has been updated to support RFC5424-compliant messages when rotating system logs. The &man.sesutil.8; utility has been updated to include &man.libxo.3; support in output. The &man.diskinfo.8; utility has been updated to include two new flags, -s which displays the disk identity (usually the serial number), and -p which displays the physical path to the disk in a storage controller. The -s and -p flags are mutually exclusive, and cannot be used with any other flags. The &man.diskinfo.8; utility has also been updated to include device model when the -s flag is used. The &man.top.1; utility has been updated to allow filtering on multiple user names when the -U flag is used. The &man.bsdgrep.1; utility has been updated to include a rgrep hard link to &man.grep.1;, which when used is equivalent to grep -r. The &man.bsdgrep.1; utility has been updated to address various issues with pattern matching behavior. The &man.umount.8; utility has been updated to include a new flag, -N, which is used to forcefully unmount an NFS mounted filesystem. The &man.pw.8; utility has been updated to properly handle empty secondary group lists as an argument to the -G flag when using the usermod subcommand. The &man.getconf.1; utility has been updated to include a new flag, -a, which prints the name and value of all system or path configuration values to &man.stdout.4; or optionally a file as an argument to -a. The &man.ps.1; utility has been updated to reflect realtime and idle priorities in state flags. The &man.ps.1; utility has been updated to display if a process is running with &man.capsicum.4; capability mode, indicated by C. The &man.cpucontrol.8; utility has been updated to include a new flag, -n, that disables the default microcode update search path when used. The &man.fsck.ffs.8; utility has been updated to prevent a filesystem from being reported as modified when only the timestamp in the superblock is updated. The &man.diskinfo.8; utility has been updated to display disk rotation rate and if TRIM/UNMAP is supported by the disk. The &man.rsh.1; utility has been updated to include a new flag, -N, which disables shutdown of a socket sending path when used. The &man.pfctl.8; utility has been updated to allow route-to to properly handle network interfaces with multiple IP addresses. The &man.camcontrol.8; utility has been updated to include ZAC (Zoned-device ATA command set) information when the identify subcommand is used. The &man.pw.8; utility has been updated to correct handling of account expiration periods. The &man.mdmfs.8; utility has been updated to support &man.tmpfs.5;. The &man.lint.1; utility is not longer built by default. The WITH_LINT &man.src.conf.5; option has been added to enable building and installing the utility. The &man.cpucontrol.8; utility has been updated to include a new flag, -e, which is used to re-evaluate reported CPU features after applying firmware updates. The &man.cpucontrol.8; -e flag should only be used after microcode update have been applied to all CPUs in the system, otherwise system instability may be experienced if processor features are not identical across the system. The &man.indent.1; utility has been updated to respect the SIMPLE_BACKUP_SUFFIX environment variable if set. The &man.du.1; utility has been updated to include the --si long option, which is used to display output in "human-readable" output in powers of 1000. The &man.df.1; utility has been updated to include the --si long option, which is an alias to -H. The &man.service.8; utility has been updated to include a new flag, -j, which is used to interact with services running within a &man.jail.8;. The argument to -j can be either the name or numeric jail ID. The &man.fsck.ffs.8; utility has been updated to exit with a non-zero status when the filesystem is not repaired. The &man.nvmecontrol.8; utility has been updated to print the full 128 bit value for SMART data, instead of the hexadecimal value. The &man.nvmecontrol.8; utility has been updated to include control options for Western Digital® HGST drives. The new options are cap-diag, get-crash-dump, drive-log, purge, and purge-monitor. The &man.dhclient.8; utility has been updated to be more compliant with RFC2131 by setting the source address field in the IP header to 0 when sending a DHCPREQUEST message to attempt to obtain a previously-assigned IP address. The &man.pw.8; utility has been updated to allow the @ and ! characters in the GECOS field. The &man.zfsd.8; utility has been updated to work with any type of GEOM provider, including &man.md.4;, &man.geli.8;, &man.glabel.8;, and &man.gstripe.8;. The &man.ps.1; utility has been updated to include a jail keyword, which when used will list the name of a &man.jail.8; instead of the numeric ID. The &man.mlx5tool.8; utility has been added, which is used to manage Connect-X 4 and Connect-X 5 devices supported by &man.mlx5io.4;. The &man.sysctl.8; utility has been updated to support setting an array of values to nodes. Prior to this change, &man.sysctl.8; could only set one value to a node that may return multiple values when queried. The &man.ifconfig.8; utility has been updated to include a random option, which when used with the ether option, generates a random MAC address for an interface. The &man.efibootmgr.8; utility has been added, which is used to manipulate the EFI boot manager. The &man.etdump.1; utility has been added, which is used to view El Torito boot catalog information. The &man.mount.8; utility has been updated to allow fallback to mount media read-only if an attempt to mount write-protected media read-write fails. This behavior is disabled by default, and can be requested with the new autoro option. The &man.makefs.8; utility has been updated to default the block and fragment sizes to match that of &man.newfs.8;, 32K and 4K, respectively. The &man.pwd.mkdb.8; utility has been updated to emit a notice that legacy database support will be removed effective &os; 12 when the -l flag is used. The &man.dhclient.8; utility has been updated to allow the interface-mtu option - to be overridden with a superscede entry in + to be overridden with a supersede entry in &man.dhclient.conf.5;. Contributed Software The &man.libarchive.3; library has been updated to version 3.3.2. Subversion has been updated to version 1.9.7. The &man.dtc.1; utility has been updated to upstream commit 9ce35ff8. The &man.file.1; utility has been updated to version 5.32. OpenSSH has been updated to version 7.5p1. The &man.mandoc.1; utility has been updated to version 1.14.3. The &man.tcpdump.1; utility has been updated to version 4.9.2. The NTP utilities have been updated to version 4.2.8p11. The &man.less.1; utility has been updated to upstream version v530. The bmake utility has been updated to upstream version 20180222. The BSD-licensed &man.diff.1; utility has been imported from OpenBSD, which is installed if WITHOUT_GNU_DIFF is set in &man.src.conf.5;, and otherwise not installed by default. OpenSSL has been updated to version 1.0.2o. The clang, llvm, lld, lldb, and compiler-rt utilities as well as libc++ have been updated to upstream version 6.0.0. Timezone data files have been updated to version 2018e. The &man.libxo.3; library has been updated to version 0.9.0. Installation and Configuration Tools The &man.bsdinstall.8; installer has been updated to default to UEFI-only boot. <filename class="directory">/etc/rc.d</filename> Scripts   Kernel This section covers changes to kernel configurations, system tuning, and system control parameters that are not otherwise categorized. General Kernel Changes The &man.linux.4; ABI compaibility layer has been updated to include support for musl consumers. The &man.fdescfs.5; filesystem has been updated to support &linux;-specific &man.fd.4; /dev/fd and /proc/self/fd behavior. Support for multiple realtime clocks has been added. Kernel Bug Fixes The &man.ng.iface.4; driver has been updated to prevent a possible system crash. The &man.ipfw.4; packet filter has been updated to identify layer-2 and layer-3 packets, fixing &man.dummynet.4; AQM packet marking. An issue causing boot issues with &intel; Apollo Lake™ CPUs has been fixed. Kernel Configuration The &man.watchdog.4; facility has been updated to make SW_WATCHDOG dynamic, enabling the software &man.watchdogd.8; option whenever a hardware watchdog is not present. System Tuning and Controls The p1003_1b.aio_listio_max &man.sysctl.8; has been changed to a runtime-configurable tunable. Devices and Drivers This section covers changes and additions to devices and device drivers since &release.prev;. Device Drivers The &man.cxgbe.4; driver has been updated to firmware version 1.16.63.0 for T4, T5, and T6 network adapters. The &man.ng.pppoe.4; driver has been updated to add support for user-supplied Host-Uniq tags. Support for the TAIO USB multi-protocol adapter (TUMPA) has been added. The &man.mlx5io.4; driver has been added, providing an interface to manage supported Connect-X 4 and Connect-X 5 network adapters. The &man.cm.4; and &man.fpa.4; drivers have been marked as deprecated, and will be removed in &os; 12. The &man.ocs.fc.4; driver has been added, supporting Emulex 16/8G FC GEN 5 HBAs LPe15004 and LPe160XX, and Emulex 32/16G FC GEN 6 HBAs LPe3100X and LPe3200X. The &man.ixgb.4; driver has been marked as deprecated, and will be removed in &os; 12. The &man.ixl.4; driver has been updated to version 1.9.9-k. The &man.nxge.4; driver has been marked as deprecated, and will be removed in &os; 12. The &man.lmc.4; driver has been marked as deprecated, and will be removed in &os; 12. The &man.smartpqi.4; driver has been added, providing support for Microsemi® SCSI controllers. The &man.vxge.4; driver has been marked as deprecated, and will be removed in &os; 12. Hardware Support This section covers general hardware support for physical machines, hypervisors, and virtualization environments, as well as hardware changes and updates that do not otherwise fit in other sections of this document. Virtualization Support Support for &man.virtio.console.4; has been added to &man.bhyve.4;. Storage This section covers changes and additions to file systems and other storage subsystems, both local and networked. <literal>geom(4)</literal> The geom_aes, geom_bsd, geom_mbr, geom_sunlabel &man.geom.4; classes have been marked as deprecated. They have been replaced by the geom_part class in &os; 7, and removed from the GENERIC kernel configurations in &os; 8, and will be removed in &os; 12. Boot Loader Changes This section covers the boot loader, boot menu, and other boot-related changes. Boot Loader Changes The boot code and &man.loader.8; have been updated to check for unsupported ZFS feature flags. If unsupported features are active, the pool is not considered as a bootable pool, and a diagnostic message is printed to the console. The &man.loader.8; has been updated to improve quotation parsing, distinguishing between single- and double-quotes, and check for terminating quotes. The length of GELI passphrases entered when booting a system with encrypted disks is now hidden by default. See the configuration options in &man.geli.8; to restore the previous behavior. Networking This section describes changes that affect networking in &os;. General Network Changes The &man.icmp6.4; protocol has been updated to fix ICMPv6 redirects. Ports Collection and Package Infrastructure This section covers changes to the &os; Ports Collection, package infrastructure, and package maintenance and installation tools. Packaging Changes The &man.pkg.8; utility has been updated to version 1.10.5. Release Engineering and Integration This section convers changes that are specific to the &os; Release Engineering processes. Integration Changes Amazon® EC2™ instances now keep their clocks synchronized using the Amazon Time Sync Service, the NTP service internal to the EC2™ infrastructure. The &arch.i386; memory stick image installers have been changed to use the MBR partitioning scheme, which addresses a boot issue from a GPT partition scheme in non-UEFI mode. The &arch.amd64; memory stick image installers have been changed to use the MBR partitioning scheme, which addresses a boot issue from a GPT partition scheme in non-UEFI mode.