Not all memory available

Steven Buehler steve at ibushost.com
Tue Oct 9 23:52:12 UTC 2007


Thank You.  kernel-PAE.  I notice that there isn't a kernel-PAE-headers
though.  Does the kernel-PAE use the normal kernel-headers?

Steve

-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
On Behalf Of Marcos Aurelio Rodrigues
Sent: Tuesday, October 09, 2007 6:11 PM
To: General Red Hat Linux discussion list
Subject: Res: Not all memory available

You need to change your kernel to a version who suports PAE, i think
kernel-xxx-highmem

grep pae /proc/cpuinfo 

Because by default the 32bit plataform only suports 4Gb, to work with more
than that you need emulation (PAE)


More about:
http://en.wikipedia.org/wiki/Physical_Address_Extension



 
========================================
 Marcos Aurelio Rodrigues (DE!Gr4t!4-33)
        <marsamp at yahoo.com.br>
                 CCNA
      Pueri quod semper amat Dei
========================================

----- Mensagem original ----
De: Steven Buehler <steve at ibushost.com>
Para: General Red Hat Linux discussion list <redhat-list at redhat.com>
Enviadas: Terça-feira, 9 de Outubro de 2007 19:02:48
Assunto: Not all memory available

I have a server that had 2GB of memory on it.  I just up it to 8GB.
  During
boot, it shows all 8GB, but my Redhat only shows 4GB.  I didn't install
 the
desktop version...as far as I know.  Is there something else needed to
 see
more then 4GB?

# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5 (Tikanga)

# uname -a
Linux domain.com 2.6.18-8.1.10.el5 #1 SMP Thu Aug 30 20:43:15 EDT 2007
 i686
i686 i386 GNU/Linux

# dmesg|grep mem
Memory: 3758888k/4194304k available (2043k kernel code, 39868k
 reserved,
846k data, 232k init, 2882432k highmem)
Freeing initrd memory: 2239k freed
highmem bounce pool size: 64 pages
Total HugeTLB memory allocated, 0
Non-volatile memory driver v1.2
Freeing unused kernel memory: 232k freed
ehci_hcd 0000:00:1d.7: irq 225, io mem 0xee000000

Thanks in advance for any help.
Steve

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