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Re: [Xen-users] 32bit domUs

from [Fajar A. Nugraha]

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To:	"Robbie A. Garrett" <RGarrett@xxxxxxxxxxxxxx>
Subject:	Re: [Xen-users] 32bit domUs
From:	"Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date:	Tue, 1 Dec 2009 13:17:49 +0700
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On Tue, Dec 1, 2009 at 3:33 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> On Mon, Nov 30, 2009 at 10:20:29AM -0500, Robbie A. Garrett wrote:
>>    Hey all,
>>
>>    I have need to boot 32bit domu's on a amd64 system.  I was able to deploy
>>    a 32bit image but the kernel is still 64bit.  I have a feeling in my .cfg
>>    file for the domU I need to specify a 32bit kernel.  Is this correct?
>>

Most applications can run fine with 64bit kernel - 32bit userland.

>
> Yes, it's correct.
>
> Unless you use pygrub/pvgrub to load the kernel from domU filesystem.

To paraphrase that a little, you can run 32bit PV domU kernel on top
of 64bit hypervisor. Where the kernel located depends on domU setup,
can be in dom0 (thus specified in domU config file) or within domU
filesystem (when using pygrub/pvgrub).

-- 
Fajar

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