Re: [Xen-users] Does Xen-unstable support PAE now ?

["she11c0de she11c0de" <she11c0de@xxxxxxxxxxx>]

> From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> CC: "she11c0de she11c0de" <she11c0de@xxxxxxxxxxx>, Ernst Bachmann 
<e.bachmann@xxxxxxxx>
> Subject: Re: [Xen-users] Does Xen-unstable support PAE now ?
> Date: Sun, 10 Jul 2005 13:02:51 +0100
>
> On Sunday 10 July 2005 12:26, Ernst Bachmann wrote:
> > Maybe you can enable PAE while compiling the hypervisor?
>
> I think the plan was to (eventually) have a Xen that worked on in both 
modes
> (?)  I'm not sure attempts to use PAE on big memory machines will work yet
> because PAE support is not complete.
>
> > Other, possibly way faster solution:
> > your Xeons support EM64T, right? why not run the hypervisor in 64 bit 
mode,
> > so it can access all your ram without using dirty tricks like PAE? But 
I'm
> > not sure if one can run 32 bit guests in a 64 bit xen...
Yes, my server's cpu is dual Xeon with EM64T. i think this a good idea, but
our company have plenty application developed on 32 bit environment :(

> You can't run 32 bit guests on 64 bit for now.  It *might* happen later if
> there's sufficient interest / motivation.
>
> Cheers,
> Mark
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