This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


[Xen-users] RE: [Xen-devel] moving from xen to xen-pae

To: "Hans-Christian Armingeon" <johnny@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] RE: [Xen-devel] moving from xen to xen-pae
From: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
Date: Thu, 9 Feb 2006 14:56:49 +0100
Delivery-date: Thu, 09 Feb 2006 14:08:33 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcYtfhMYewE9Zl6ZQgey1FVjxTgDBgAAKzhg
Thread-topic: [Xen-devel] moving from xen to xen-pae
> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Hans-Christian Armingeon
> Sent: 09 February 2006 11:05
> To: xen-devel@xxxxxxxxxxxxxxxxxxx; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] moving from xen to xen-pae
> Hi,
> I have a xen 3 installation which I want to upgrade to a 
> xen-pae installation.
> What do I have to replace? Only xen.gzand the kernel, or the 
> xen tools, too?

I believe the tools are fine and understand PAE or non-PAE without

For example, .../tools/libxc/xc_ptrace.c uses the processor type to
determine if it's PAE or not at runtime in map_domain_va, and if it is
PAE calls map_domain_va_pae instead.

There is a dependency on CONFIG_X86_PAE in
.../tools/libxc/xen/arch-x86_32.h, but it seems that the choice made
based on this is not used anywhere in the libxc source files. It's
probably just a side-effect of this file being shared between Xen itself
and the libxc directories.

Of course, you probably want to add a second entry in your grub.conf
like this:

title Xen-pae
        kernel /boot/xen-pae.gz
        module /boot/vmlinuz-pae-xen0
Then you should be able to just boot back into the old, working

> I would like to have a quick fallback, if the box becomes unstable.
> Thanks in advance,
> Johnny
> --
> jabber:johnny@xxxxxxxxxx
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel

Xen-users mailing list

<Prev in Thread] Current Thread [Next in Thread>