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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 FreeBSD�9.2-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]