[kernel-xen] Server with 16GB of RAM only sees 800MB after kernel-xen-3.11.1-1.el6xen.x86_64 install

Steven Spencer steven.spencer at kdsi.com
Wed Sep 18 03:20:32 EST 2013

On 09/17/2013 11:50 AM, Steven Spencer wrote:
> All,
> Anyone else run into this one? Just installing a new server and the
> server standard kernel sees all 16GB of memory, however after installing
> kernel-xen-3.11.1-1 and doing a cat /proc/meminfo we are only seeing
> MemTotal: 786920 kB
> Any ideas? Is there a parameter that can be used on the kernel /xen.gz
> line of the grub.conf that will force the kernel to see all the memory?
> The server is CentOS 6.4 x86_64.
> Thanks in advance,

Here's another oddity: xm dmesg posts the correct RAM amount:

(XEN) System RAM: 16356MB (16748692kB)

Steven G. Spencer, Network Administrator
KSC Corporate - The Kelly Supply Family of Companies
Office 308-382-8764 Ext. 231

More information about the kernel-xen mailing list