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-   -   REDHAT 9 SMP and more than 4GB RAM (http://www.linuxquestions.org/questions/linux-hardware-18/redhat-9-smp-and-more-than-4gb-ram-172565/)

dukeoflinux 04-20-2004 02:05 PM

REDHAT 9 SMP and more than 4GB RAM
 
I am running redhat9 kernel 2.4.18-14smp. I assumed it could handle more than 4GB RAM but It doesnt seem to. Is it possible to make this work without recompiling.

Thanks!!!

akshayj29 08-21-2007 09:30 AM

Hey,
I am facing a similar situation.. I am developing my own kernel which supports SMP but its facing a problem when RAM is more than 4GB. refer thread (http://www.linuxquestions.org/questi...d.php?t=578678)
What is happening exactly? Does your system boot-up and show only 4GB memory? Or does it show only one processor?

--Akshay

pixellany 08-21-2007 10:04 AM

If you have a 32-bit processor, you can only directly address 4MB of RAM. (2^32, to be precise)

rkelsen 08-21-2007 06:26 PM

Dunno if you guys noticed, but this thread is from April 2004, by which time RH9 was already out of date...

If you are having problems with it akshayj29, I'd highly recommend trying something newer, like, say, Fedora Core 4. ;)

wagz 08-22-2007 10:33 PM

i am having a similar problem but with CentOS 5 - i am trying to find a PAE kernel but dont know how to get one or compile one as i am new to linux. can anyone help me please?


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