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Old 12-22-2007, 11:15 AM   #1
ExtremeS
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Missing ram after installation


Hi guys,

I'm having problem with Intel S5000PSL Motherboard + 4gb memory was being detected as 2gb on Redhat EL 5

My hardware spec are :
S5000PSL
1x Quad Core 2.0
2x 500gb SATA II
4x 1gb Corsair (forgot the model)

Kernel installed are :
kernel-2.6.18-8.el5
kernel-devel-2.6.18-8.el5
kernel-headers-2.6.18-8.el5

Memory are detected as 4gb in BIOS.

Do I neeed hugemem ? If so where can I find it for my distro?

Thanks in advance
 
Old 12-22-2007, 09:54 PM   #2
tharindunix
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yes u need

i needed it on RHEL4. BTW, i am not sure default kernel is hugemem.
 
Old 12-23-2007, 04:16 AM   #3
ExtremeS
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Quote:
Originally Posted by tharindunix View Post
i needed it on RHEL4. BTW, i am not sure default kernel is hugemem.
tharindunix,

thanks for the input. By any chance do you know where can I download hugemem for EL5? I've installed RHEL 5 before on machine with 8gb with no problem whatsoever. Just in this machine it was detected as 2gb.

Thanks again
 
Old 12-26-2007, 12:27 PM   #4
ExtremeS
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Bump..

Help?
 
Old 12-26-2007, 01:55 PM   #5
H_TeXMeX_H
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Hugemem is a kernel feature/option, so you must recompile the kernel yourself or find a kernel with hugemem enabled.
 
Old 01-08-2008, 11:06 AM   #6
ExtremeS
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Quote:
Originally Posted by H_TeXMeX_H View Post
Hugemem is a kernel feature/option, so you must recompile the kernel yourself or find a kernel with hugemem enabled.
TeXMex,

Thanks for the input. Hmm I never recompiled kernel before. Know where I can find kernel for my distro with hugemen enabled?

TIA!
 
Old 01-08-2008, 02:18 PM   #7
H_TeXMeX_H
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I don't see how I could do that, I don't have a subscription, so I don't think they'll let me even look at the packages.

It says here:
http://www.redhat.com/rhel/compare/

Quote:
The x86 "Hugemem" kernel is not provided in Red Hat Enterprise Linux 5
Try googling it, I can't find much. If you can't find it, I say get the kernel source package and compile it, there are many guides to kernel compiling. In this case try to find the original 'config' file, start with that and add hugemem support, then compile it.
 
  


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