FC6 - Incorrect Memory size

Dave Jones davej at redhat.com
Tue Feb 13 05:55:20 UTC 2007


On Mon, Feb 12, 2007 at 09:02:10PM -0500, CC Chaman wrote:
 > Hi,
 > 
 > First post, so please forgive if this is in the wrong board.
 > 
 > I've installed Zod on a Dell 2950 with 8 GB Ram. The 2.6.18 kernel only
 > reports 4GB, so I decided to do an "yum upgrade" ... excpet now with the
 > 2.6.19 kernel I only have 3.2 GB
 > 
 > Here's the top output:
 > Mem:   3368804k total,   743888k used,  2624916k free,    43428k buffers
 > Swap:  2031608k total,        0k used,  2031608k free,   429312k cached
 > 
 > 
 > Here's the fun part...when I boot with Xen - Ram is reported correctly?
 > 
 > Any help would be appreciated!
 > 
 > ( I did try setting kernel parameter mem=8192M ... does not work)

The standard kernel can only see up to 4GB.  You need to
install kernel-PAE to see more.  The reason the Xen kernel
worked is that it also enabled PAE. (Physical Address Extensions).

		Dave

-- 
http://www.codemonkey.org.uk




More information about the fedora-list mailing list