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RE: [Xen-users] RHEL4 as 64-bit HVM guest -- not starting in 64 bit mode

To: "Hugo Mills" <hugo-xen@xxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] RHEL4 as 64-bit HVM guest -- not starting in 64 bit mode
From: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
Date: Mon, 6 Nov 2006 13:19:23 +0100
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Thread-topic: [Xen-users] RHEL4 as 64-bit HVM guest -- not starting in 64 bit mode
 

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Hugo Mills
> Sent: 06 November 2006 11:05
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] RHEL4 as 64-bit HVM guest -- not 
> starting in 64 bit mode
> 
>    I'm trying to install RHEL 4 on an HVM (Core 2 Duo). However, when
> the RHEL installer tries to start the kernel, it complains that the
> CPU doesn't support extended mode, and that I should use a 32-bit
> installer.
> 
>    However:
> 
> hrm@willow:~$ sudo xm info | grep xen_caps
> xen_caps               : xen-3.0-x86_64 hvm-3.0-x86_32 
> hvm-3.0-x86_32p hvm-3.0-x86_64
> 
>    Is there some magic I need in the config file for the domain to
> tell it that it's a 64-bit guest?

Try some combination of these set to one:
apic
acpi
pae

All of them should work. I'd also, if you're not doing so already, use
the latest 3.0.3, as previous versions are known to not work right for
64-bit at least sometimes.

--
Mats

> 
>    Hugo.
> 
> -- 
> === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | 
> lug.org.uk ===
>   PGP key: 1C335860 from wwwkeys.eu.pgp.net or 
> http://www.carfax.org.uk
>    --- Nothing wrong with being written in Perl... Some of my 
> best ---   
>                       friends are written in Perl.            
>            
> 



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