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[
{ type: install
message: <<EOM
FreeBSD has mapping at zero address feature turned off since 8.0-RC2:
http://security.freebsd.org/advisories/FreeBSD-EN-09:05.null.asc
This is required to read EDID data via classical VBE interface (to avoid
"mmap /dev/mem: Invalid argument" message from libx86). To temporarily
disable this protection, issue the following command:
# sysctl security.bsd.map_at_zero=1
To return to secure state:
# sysctl security.bsd.map_at_zero=0
EOM
}
]
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