Re: Only 3.6gb of 64gb RAM recognized by 64bit squeeze

[Ralf Mardorf <ralf.mardorf@alice-dsl.net>]

On Wed, 2012-05-09 at 11:07 +0100, Darac Marjal wrote:
> On Wed, May 09, 2012 at 11:19:10AM +0200, Seyyed Mohtadin Hashemi wrote:
> >    Hello,
> >     
> >    Before anybody starts arguing that I don't have 64-bit, this is uname -r
> >    and uname -m:
> >    [1]root@n03:~# uname -r
> >    2.6.32-3-amd64
> >    [2]root@n03:~# uname -m
> >    x86_64
> >     
> [cut]
> >     
> >    Hope somebody can help me fix this, I cannot think of anything that could
> >    cause this
> >     
> 
> This may be an issue with your kernel. Can you post the output of the
> following here?
> 
>   $ grep CONFIG_HIGHMEM /boot/config-$(uname -r)
> 
> If you get "# CONFIG_HIGHMEM64G is not set" in the list, then you'll
> need to look at re-building your kernel to support RAM > 64Gb.

For a 64-bit kernel, there's no need to run
$ grep CONFIG_HIGHMEM /boot/config-$(uname -r)
this is nonsense. You're referring to 32-bit PAE kernels.