De leden van het FreeBSD Release Engineering Team hebben versie 9.2 van FreeBSD uitgebracht. FreeBSD is in 1993 ontstaan en wordt als één geheel ontwikkeld, in tegenstelling tot bijvoorbeeld Linux, waarvan de kernel door de ene groep ontwikkelaars wordt onderhouden en bepaalde applicaties weer door anderen. Hierdoor wordt FreeBSD over het algemeen als stabieler en robuuster beschouwd dan diverse andere besturingssystemen. Downloads voor de verschillende processorarchitecturen zijn beschikbaar via ftp en bittorrent. Hieronder zijn de releasenotes van versie 9.2 te vinden, met daarin de belangrijkste veranderingen.
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 TRIMvfs.zfs.trim.max_interval
: Maximum interval in seconds between TRIM queue processingvfs.zfs.trim.timeout
: Delay TRIMs by up to this many secondsvfs.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"
, whereX
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]