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SubjectRe: I'm having 4GB RAM, but Linux sees just 3GB???
Christian Parpart wrote:
> Hi all,
>
> I was asking this in gentoo-server mailing list before, however, they finally
> pointed me to this place as it could also be a bug in the kernel.
>
> I'm having a TYAN board with two AMD Opteron 248 and 4x 1GB ECC RAM on it. The
> BIOS reflects what I've plugged in, however, the operating system does not.
>
> my `uname -a` output is:
> Linux battousai 2.6.11-gentoo-r8 #1 SMP Sat May 14 02:42:15 CEST 2005 x86_64
> AMD Opteron(tm) Processor 248 AuthenticAMD GNU/Linux
>
> and my `dmidecode` output is located at [0]. For ANY reason, dmidecode even
> knows about my 4GB RAM, but `free -m` nor `kinfocenter` of KDE claims to see
> just 3GB.
>
> free -m:
> total used free shared buffers cached
> Mem: 3015 2993 22 0 15 2638
> -/+ buffers/cache: 338 2677
> Swap: 511 1 510
>
> This is rather sad to see 1GB RAM plugged in for nothing.
>
> Has anyone a hint for my WHY this is happening and HOW I could get rid of it?
>
> Thanks in advance,
> Christian Parpart.
>
> [0] http://dev.gentoo.org/~trapni/dmidecode.txt
>

Are you running a 64-bit kernel? What does "dmesg | grep e820" show?

--
Brian Gerst
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