[rhn-users] grub does not honor mem=xxxM request

[Benj FitzPatrick]

Okies, perhaps I should give a little more info.  I have 4
other computers running RHEL 4.  1 with 8GB and 3 with 4GB,
and none of these has this problem.  I looked at cat
/proc/meminfo and it is seeing the same amount of RAM that
grub is.  Any ideas?

---- Original message ----
>Date: Sat, 14 Jan 2006 08:12:01 -0500
>From: jludwig <wralphie at comcast.net>  
>Subject: Re: [rhn-users] grub does not honor mem=xxxM request  
>To: Red Hat Network Users List <rhn-users at redhat.com>
>
>On Thursday 12 January 2006 17:14, Benj FitzPatrick wrote:
>> I have a dual opteron 275 box (iwill dk8x and 8x512MB of
>> reg/ecc pc3200) with RHEL 4 AS installed.  I have the latest
>> kernel (2.6.9-22.0.1.ELsmp.  It shows 3.09GB of RAM in top.  I
>> have changed the software and hardware memory remap functions
>> in the BIOS and software on/hardware off gives 4096MB of NVRAM
>> during POST.  However, top still shows 3.09GB (with and
>> without mem=4096M in the boot line).  Am I using this option
>> incorrectly or is there something else I can do?
>>
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>Apologies wrong icon -- mad mouse loose -- 
>Had to check, but, /proc/meminfo should tell what the kernel
is actually 
>seeing. 
>
>I did not look at top but suspect it may have some
limitations on its memory 
>display unless it gets the information from /proc.
>
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