RE: 32Bit on 64Bit - Was: Re: [Xen-users] Xen on Debian Lenny qu

To:	"Dirk H. Schulz" <dirk.schulz@xxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject:	RE: 32Bit on 64Bit - Was: Re: [Xen-users] Xen on Debian Lenny quiteunstable
From:	"James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date:	Fri, 11 Jun 2010 23:45:43 +1000
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Thread-topic:	32Bit on 64Bit - Was: Re: [Xen-users] Xen on Debian Lenny quiteunstable

> 
> Okay, next question on the way to a solution:
> 
> Anyone out there running 32Bit domUs successfully on a 64Bit dom0 with
> Lenny?
> 

Depending on the dom0 kernel that might not work. The data structure
that is used for communication between domains for PV block devices has
different alignment under 32 and 64 bits so needs thunking between them
which didn't come in until post-lenny I think. If you make all your
DomU's the same then you should be fine.

James


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RE: 32Bit on 64Bit - Was: Re: [Xen-users] Xen on Debian Lenny quiteunsta