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Link Here
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.Sh DESCRIPTION |
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.Sh DESCRIPTION |
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The |
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The |
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.Nm |
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kernel implements symmetric multiprocessor support. |
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kernel implements symmetric multiprocessor support. This functionality can |
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be enabled in FreeBSD by compiling a kernel with the the following options |
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enabled: |
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.Bd -literal -offset indent |
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options SMP |
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options APIC_IO |
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.Ed |
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.Pp |
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Further information on compiling custom kernels can be found in the FreeBSD |
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Handbook. |
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.Sh COMPATIBILITY |
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.Sh COMPATIBILITY |
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The |
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The |
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.Nm |
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.Nm |
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kernel supports motherboards that follow the Intel MP specification, |
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kernel supports motherboards that follow the Intel MP specification, |
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version 1.4. |
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version 1.4. |
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.Sh BUGS |
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.Sh BUGS |
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That would be a good guess... |
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Certain features of APM (Advanced Power Management) are known to interact |
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badly with |
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.Nm . |
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APM shutdown is generally safe, but other APM features should be avoided. |
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This is not a FreeBSD-specific problem, but is due to the fact that APM |
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was not designed with |
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.Nm |
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in mind. |
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.Sh SEE ALSO |
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.Sh SEE ALSO |
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.Xr mptable 1 , |
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.Xr mptable 1 , |
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.Xr dmesg 8 |
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.Xr dmesg 8 , |
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.Xr config 8 . |
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.Sh HISTORY |
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.Sh HISTORY |
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The |
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The |
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.Nm |
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kernel's early history is not (properly) recorded. It was developed |
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kernel's early history is not (properly) recorded. It was developed |
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in a separate CVS branch until April 26, 1997, at which point it was |
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in a separate CVS branch until April 26, 1997, at which point it was |
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merged into 3.0-current. By this date 3.0-current had already been |
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merged into 3.0-current. FreeBSD 3.0 was the first major release to support |
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merged with Lite2 kernel code. |
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.Nm . |
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.Sh AUTHORS |
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.Sh AUTHORS |
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.An Steve Passe Aq fsmp@FreeBSD.org |
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.An Steve Passe Aq fsmp@FreeBSD.org |