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Re: [Xen-users] Hypervisor kernel confusion

To: Eric Ross <eross@xxxxxxx>
Subject: Re: [Xen-users] Hypervisor kernel confusion
From: Goswin von Brederlow <brederlo@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 25 Sep 2007 02:56:01 +0200
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In-reply-to: <46F85296.30008@xxxxxxx> (Eric Ross's message of "Mon, 24 Sep 2007 19:13:10 -0500")
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Eric Ross <eross@xxxxxxx> writes:

> I'm a bit confused about the kernel used by the Xen hypervisor.  I've
> just installed a 30 day trial of XenSource's Enterprise edition
> software on a Sun Fire 4600.
> It was my understanding that it would install a 64 bit hypervisor,
> however, upon running uname -a on my machine, I am told that I am
> running a i686 kernel.  Did I miss something?  How does one use a 64
> bit kernel?
> Thanks,
> -Eric

Look at "xm info":

machine                : x86_64
xen_caps               : xen-3.0-x86_64 hvm-3.0-x86_32 hvm-3.0-x86_32p 

I believe only a 64bit hypervisor will list x86_64 under "xen_caps".
If so you can start a 64bit kernel just like a 32bit kernel. Just put
it in /boot and use it.


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