mirror of
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73966541c1
a monitor. It is mostly useful to read LCD matrix manufacturer and model. WWW: http://www.polypux.org/projects/read-edid/ NB: TIMESTAMP line in distinfo should read as follows, but has to stay in its current form due to a bug in the hook script: TIMESTAMP (read-edid-3.0.2.tar.gz) = 1430271430
14 lines
444 B
Plaintext
14 lines
444 B
Plaintext
FreeBSD has mapping at zero address feature turned off since 8.0-RC2:
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http://security.freebsd.org/advisories/FreeBSD-EN-09:05.null.asc
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This is required to read EDID data via classical VBE interface (to avoid
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"mmap /dev/mem: Invalid argument" message from libx86). To temporarily
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disable this protection, issue the following command:
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# sysctl security.bsd.map_at_zero=1
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To return to secure state:
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# sysctl security.bsd.map_at_zero=0
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