[by sven @ Sun Sep 25 11:35 CEST 2011]
Soon FreeBSD 9.0 will be released and FreeBSD 7 becomes legacy. Because I want to stay just one major release behind I upgraded from 7.4-STABLE to 8.2-STABLE yesterday.
To do so I had to made some modifications to the kernel configuration. Namely I had to remove the devices isa, npx, mem and io from the configuration because they are in the DEFAULT configuration now. Also the sio serial port driver has been removed and replaced by the uart device driver even so the atausb device driver is removed from the FreeBSD 8 kernel. In addition I had to add the COMPAT_FREEBSD7 option to the kernel configuration.
One major change for me was the unification of the IPv4 and IPv6 firewall scripts rc.firewall and rc.firewall6. I was using two custom firewall scripts that were derived from the scripts mentioned that I had to manually merge into one.
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