Re: [Xen-users] RHEL 5.2 i386 image - Xen kernel doesn't recognize the total amount of system memory

[Tom Georgoulias <tomg@xxxxxxxxxxxxxxxxxxxxxxxx>]

Ido Levy wrote:

> We have installed RHEL 5.2 Server ( i386 image ) on a machine with 64GB of
> RAM.
>
> When booting the default PAE kernel ( 2.6.18-92.el5PAE ) that is shipped
> with RHEL 5.2 installation the OS detects 64GB of RAM.
> But when booting the Xen kernel ( 2.6.18-92.el5xen ) the OS detects only
> 14GB of the total amount of available RAM.
>
> Did anyone encounter this problem before ?
I did when I first installed RHEL5.1 on a server with 32GB of RAM.

> Is it a normal behavior for a 32 bit image ?
Yes, 32-bit supports up to 16GB.  To use the rest of the RAM, you'd need 
to install the 64-bit kernel-xen.  Some docs are here:
https://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/en-US/RHEL510/Virtualization_Guide/ch-virt-hw-support.html

Hope that helps.

Tom

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users