The FreeBSD 8.2 release brings one some very interesting features for the enterprise environment:

• Xen HVM support in FreeBSD/amd64 and Xen PV support in FreeBSD/i386 improved
• ZFS on-disk format updated to version 15
• KVA memory space sizing for FreeBSD/amd64 (reduces “kmem_map too small” panics when using ZFS)
• GPT (GUID Partition Table) support improvements
• aibs(4) driver has been added for hardware sensors support in ASUS motherboards
• The tpm(4) driver, which supports Trusted Platform Module has been added (see bsssd.sourceforge.net)
• The aesni(4) driver has been added for AES accelerator support on Intel CPUs and this accelerates AES operations for crypto(4)
• The miibus(4) driver has been rewritten for the generic IEEE 802.3 annex 31B full duplex flow control support.
• Userland support for the dtrace(1) subsystem has been added
• The tftp(1) and tftpd(8) utilities have been improved for better interoperability and they now support RFC 1350, 2347, 2348, 2349, and 3617
• The pxeboot(8) loader now uses NFS version 3 instead of version 2 by default
• The coretemp(4) driver now supports Xeon 5500/5600 series
• Lots of network cards driver fixes
• gpart(8) utility improvements
• The watchdogd(8) program now uses MADV_PROTECT memory flag to protect itself from being terminated by the FreeBSD kernel when available memory becomes short