Re: kernel modification and CONFIG_HIGHMEM issue

On Tue, Jun 26, 2007 at 10:59:10PM -0400, P Kapat wrote:
> Hi,
>
> I am running Debian unstable on an AMD Athlon 64 3500+ processor and a
> MSI K8N Neo4 Mobo.
>
> Problem: Kernel does not recognise all the RAM, it sees only 1GB.
>
> $ uname -a
> Linux *** 2.6.18-4-486 #1 Mon Mar 26 16:39:10 UTC 2007 i686 GNU/Linux
>

you definitely need another kernel.

>
> I have been using linux-image-2.6-486 (which is 32bit) kernel to avoid
> the restrictions (unavailability of flash, media codecs etc) of 64 bit
> platform. Here are my two questions:
>
> 1. Is it possible to overcome the memory restriction under the current
> setup? At this moment I don't have time to install a 64-bit version
> kernel and go over the whole re-installation procedure.

you could rebuild the 486 kernel with the highmem options set... but that'll take a bit.

>
> 2. When I do get time and feel comfortable to move to a native 64bit
> machine, which kernel should I use? The options I am looking at are:
> a) linux-image-2.6-amd64 (under amd64 or i386 arch?)

> b) linux-image-2.6-k7 (under amd64 or i386 arch?)

I think you can install this kernel and see your memory. You have an AMD, so this should work. though I've not tried it. If it doesn't work, you'll know first boot... ;) It is a 32bit kernel and will work with the stuff you already have installed.

>
> I am not sure what the "-vserver-" images are and does my processor
> come under the k7 class?
>

Do you need help?

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if you don't know then you probably don't need it.

learn to use 'apt-cache search' and 'apt-cache show'.

A

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