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Date: Thu, 18 Sep 2008 20:30:49 +0100
From: Kris Kennaway <kris@FreeBSD.org>
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To: Ivan Voras <ivoras@freebsd.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: pc with 4G memory
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Ivan Voras wrote:
> 2008/9/18 Kris Kennaway <kris@freebsd.org>:
>> Ivan Voras wrote:
>>> * Use a PAE kernel, which works fairly well, but doesn't support kernel
>>> modules (if you are not familiar with kernel modules then you probably
>>> don't need them so ignore this). There's a pre-packaged kernel
>>> configuration named "PAE" for this.
>> PAE has supported kernel modules for quite a long time.
> 
> KLDs are supported under PAE? Are the following lines in pae(4):
> 
> """
>      Since KLD modules are not compiled with the same options headers that the
>      kernel is compiled with, they must not be loaded into a kernel compiled
>      with the PAE option.
> """
> 
> and these in the PAE configuration fille:
> 
> """
> # Don't build modules with this kernel config, since they are not built with
> # the correct options headers.
> makeoptions     NO_MODULES=yes
> """
> 
> wrong?

Not as such, but if you use buildkernel then modules *are* built with 
the correct options headers.  There's nothing fundamental preventing PAE 
modules from working, and indeed they do.

Kris