ooopss. it was sent private. all should see :)

---------- Forwarded message ----------
From: Hetz Ben Hamo <[EMAIL PROTECTED]>
Date: May 6, 2007 11:30 PM
Subject: Re: 4GB Memory question
To: Noam Meltzer <[EMAIL PROTECTED]>

They were actually wrong. Hapends even to big RedHat..

Apparently, Anaconda knows only to detect MORE THEN 4GB. If I have
4GB, then it installs the standard kernel which only recognizes 3GB
(iommu doesn't work).

So the PAE kernel needs to be installed if => 4GB and not only if >4GB :)


On 5/6/07, Noam Meltzer <[EMAIL PROTECTED]> wrote:

During the installation process, Anaconda will automatically choose the
kernel package to be installed. The kernel selected by default does not
allow Red Hat Enterprise Linux 5 to detect more than 4GB of RAM. As such,
your system has more than 4GB of RAM, you need to install the kernel-PAE
variant of the kernel after installation.

Note that this does not apply when a virtual install is performed.
I assume that maybe they ment "3GB"?

On 5/6/07, Hetz Ben Hamo <[EMAIL PROTECTED]> wrote:
> Hi people,
> I have here 2 "think center" machines, each with 4GB RAM each and I'm
> using CentOS 5 with them.
> BIOS reports correctly that the machine has 4GB RAM, however Linux
> begs to differ:
> # free
>              total       used       free     shared    buffers
> Mem:       3098212     235696    2862516          0
16608     164824
> -/+ buffers/cache:      54264    3043948
> Swap:      4096564          0    4096564
> So BIOS says "4", Linux says "3".
> What kernel parameters can I use to "convince" Linux that I really
> have 4GB RAM? I don't think I need the HUGEMEM kernel since it only
> deals with >4 GB RAM and RedHat has "united" all the bigmem stuff into
> 1 kernel.
> Any suggestions?
> Thanks,
> Hetz
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