Hi,
you have to use a 64bit kernel for dom0.
But you can use 32 bit guest with.
regards
yves
Le vendredi 17 octobre 2008 à 15:01 +0200, Denis Cardon a écrit
:> Hi everyone,
>
> About one year ago there was a thread about a limit of 16GB RAM with the
> 32bit PAE xen hypervisor (like mention in the excerpt and link below). I
> wanted to know if that limitation is still valid in upstream version or
> if it has been patched.
>
> I''m currently running on a debian etch with xen from backports and
only
> 16G out of 24G are seen by the kernel (at boot the bios does see the
> whole 24G). Seems like migration to 64bit is required, but I wanted to
> check first if there wasn''t any other options...
>
> Cheers,
>
> Denis
>
> > From: "Jason Douglas"
> > Subject: Re: [Xen-users] Xen pae and 32G memory
> >I am 99% sure that the 32 (PAE) xen hypervisor has a hard-coded limit
> of 16 GB
> >of RAM. To be clear, that''s a theoretical limit (much like
32 non-pae
> has a
> >4GB limit) so you''ll never get the full 16 GB even. The only
way to
> get access
> >to all 32 GB is to run the 64-bit hypervisor. Hope that helps.
>
>
> http://lists.xensource.com/archives/html/xen-users/2008-01/msg00988.html
>
>
>
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