Re: kernel (64bit) 4GB memory support

From: Terry Vernon
Date: Tue May 10 2005 - 19:03:11 EST


"I do see the full 4G. With Fedora Core 2 32bit, I can use all

4G as well. All my problems started when I "upgraded" to x86_64 ..."

Are you using an old 32bit processor or a new 64bit processor? That would make a difference




Rudolf Usselmann wrote:

On Mon, 2005-05-09 at 16:07 -0400, Lennart Sorensen wrote:


On Mon, May 09, 2005 at 10:56:25PM +0700, Rudolf Usselmann wrote:


Just curious, did anybody ever look in to this at all ? I keep
on downloading new kernels and trying 4GB of memory - still no
luck.

I did file a bug report but didn't get any notifications at all.
I don't subscribe to the linux-kernel list so not sure if anything
ever came up or not.

Is there a way to get this fixed ?


How much ram do you see with 4GB installed running a 64bit kernel?

What does /proc/meminfo show?

How about the memory map dmesg shows at the start of boot?

Len Sorensen



I do see the full 4G. With Fedora Core 2 32bit, I can use all
4G as well. All my problems started when I "upgraded" to x86_64 ...

Best Regards,
rudi
=============================================================
Rudolf Usselmann, ASICS World Services, http://www.asics.ws
Your Partner for IP Cores, Design, Verification and Synthesis

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