Re: [Xen-ia64-devel] Large memory support

[Piotr Siwczak <psiwczak@xxxxxxxxxxxxx>]

Hi,

The output of the xm info oes below (you can see only 1GB is visible):
(FYI: to compile I just entered "make world -j4" and that's all - I 
assume the vanilla kernel i properly patched when you "make world")
[root@S4-2GB-078 linux-2.6.16.13-xen]# xm info
host                   : S4-2GB-078
release                : 2.6.16.13-xen
version                : #2 SMP Mon Jul 24 14:11:10 CEST 2006
machine                : ia64
nr_cpus                : 2
nr_nodes               : 1
sockets_per_node       : 2
cores_per_socket       : 1
threads_per_core       : 1
cpu_mhz                : 1300
hw_caps                : 
00000000:00000000:00000000:00000000:00000000:00000000:0
0000000:00000000:
total_memory           : 998
free_memory            : 695
xen_major              : 3
xen_minor              : 0
xen_extra              : -unstable
xen_caps               : xen-3.0-ia64
xen_pagesize           : 16384
platform_params        : virt_start=0xe800000000000000
xen_changeset          : unavailable
cc_compiler            : gcc version 3.4.5 20051201 (Red Hat 3.4.5-2)
cc_compile_by          : root
cc_compile_domain      : (none)
cc_compile_date        : Thu Jul 13 14:51:09 CEST 2006



Tristan Gingold napisał(a):
> Le Lundi 24 Juillet 2006 12:40, Piotr Siwczak a écrit :
>   
> > Hi,
> > I've recently started to set up xen on one of my itanium servers. The
> > domains boot smoothly with only one thing being "salt-in-the-eye:.
> >
> > I cannot assign  more than about 700MB to all my machines. My node has
> > 2Gb of RAM in total.
> > I found on mailing lists, that you should enable high memory support in
> > the kernel's config. This should be located in "Processor type and
> > features" tab
> > in "make menuconfig". I cannot find this option for itanium. I tried to
> > enable the "Virtual mem map" for both domO and domU with no luck.
> > Can anyone help me with this?
> >     
> Recent versions of Xen support sparse memory.
> Which version are you using ?
> What is the result of 'xm info' from dom0 ?
>
> NB: I was able to run Xen on a 48GB machine! Xen recognized all the memory.
>
> Tristan.
>   
--
Piotr Siwczak <psiwczak@xxxxxxxxxxxxx>
System Administrator

Poznan Supercomputing and Networking Center
Supercomputing Department

(www.eu-egee.org <piotr.siwczak@xxxxxxx>)
--


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