Dual Opterons don't see all memory

[Paul Schmehl]

--On September 26, 2007 9:06:57 PM -0700 Eric Osterweil 
<eoster at CS.UCLA.EDU> wrote:

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> On Sep 26, 2007, at 8:57 PM, Erich Dollansky wrote:
>
>> Hi,
>>
>>
>> Eric Osterweil wrote:
>>
>>> make use of it's 6GB of memory, and FreeBSD can only see about 4GB
>>> of it.
>>> Can anyone help me figure out how to make use of the missing GB?
>>> FreeBSD 6.2-RELEASE #0: Fri Jan 12 11:05:30 UTC 2007
>>
>> this looks like a 32 bit binary to me.
>>
>> You either need a 64 bit binary or you need to enable PAE.
>>
>> Just build a custom kernel for 64 bits.
>>
>
> Ahh... To do this, do I just specify the CPUTYPE in the /etc/make.conf
> as:
> CPUTYPE=amd64
> ?
>
No.  Add options SMP to GENERIC or use the SMP conf file that's already 
there (and includes GENERIC).  Then recompile the kernel per the handbook.

Paul Schmehl (pauls at utdallas.edu)
Senior Information Security Analyst
The University of Texas at Dallas
http://www.utdallas.edu/ir/security/