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FreeBSD 9.2-RELEASE Release Notes

Release Highlights

The highlights in the 9.2-RELEASE include the following.

  • Support for rarpd(8) added to vlan(4). [r245076]

  • xz(1) updated to version 5.0.4. [r245128]

  • The ZFS filesystem now supports TRIM when used on solid state drives. ZFS TRIM support is enabled by default. [r251419] The following tunables have been added:

    • vfs.zfs.trim.enabled: Enable ZFS TRIM

    • vfs.zfs.trim.max_interval: Maximum interval in seconds between TRIM queue processing

    • vfs.zfs.trim.timeout: Delay TRIMs by up to this many seconds

    • vfs.zfs.trim.txg_delay: Delay TRIMs by up to this many TXGs

  • The firewire(4) drivers have been removed from the GENERIC kernel configuration for all architectures. [r246321]

  • awk(1) has been updated to version 20121220. [r246373]

  • The virtio(4) drivers have been added to the GENERIC kernel configuration for amd64 and i386 architectures. [r247306]

  • The ZFS filesystem now supports lz4 compression. [r247309]

  • The oce(4) has been updated to version 4.6.95.0. [r248062]

  • OpenSSL has been updated to version 0.9.8y. [r248272]

  • The bsdinstall(8) installer now supports installation over HTTP. [r248313]

  • DTrace hooks have been enabled by default in the GENERIC kernel. [r249549]

  • DTrace has been updated to version 1.9.0. [r249856]

  • Sendmail has been updated to version 8.14.7. [r249865, r249866, r249867, r249875]

  • OpenSSH has been updated to version 6.2p2. [r251135]

  • less(1) has been updated to version 458. [r251154]

  • Add ATA pass-through support to cam(4). [r251302]

  • Implement new rc.conf(5) syntax for hostapd(8). The new format is: ifconfig_wlanX="HOSTAP", where X represents the wlan(4) interface. [r252748]

  • Import unmapped I/O support from head/. [r251897]

  • Merge nvme(4) from head/. [r252222]

  • Add support for the Chelsio 40G T5. [r252495]

  • Add a tunable to increase the initial TCP congestion window from 4 segments to 10 segments. This tunable can be enabled by adding net.inet.tcp.experimental.initcwnd10=1 to sysctl.conf(5). This tunable is turned off by default in FreeBSD9.2-RELEASE. [r252789]

  • Update the ixgbe(4) driver. [r252898]

  • Update the Intel e1000 driver. [r252899]

  • Add support for the HighPoint DC Series Data Center HBA (DC7280 and R750). [r252903]

  • Add service-specific setfib(1) support. This is enabled by setting: <name>_fib in rc.conf(5).[r253233]

  • Update devices supported by cxgbe(4). [r253776]

  • Remove ctl(4) from the GENERIC kernel configuration. [r253860]