FreeBSD 9.2-RC2 发布了，下载地址：ftp://ftp.freebsd.org/pub/FreeBSD/releases/ISO-IMAGES/9.2/
与 RC1 之间的变化内容包括：
o Fix a boot issue caused by some GPT partitioning tools.
o Fix a regression that caused some PCI disk controllers disappearing during boot.
o Fix the FTP path used to fetch distribution packages when installing from the bootonly.iso.
o Fix a regression in sendmail that caused problems between the resolver and Microsoft DNS servers with AAAA lookups.
o Disable MSIs with Adaptec 2230S and 2820SA (aac(4)).
o Update FTP mirror list used by bsdinstall(8) and bsdconfig(8).
o Fix panics caused by early interrupts in igb(4).
o Fix panics when downing or unloading the mlx(4) driver.
手工升级方法：
freebsd-update upgrade -r 9.2-RC2
来自:开源中国社区
