linux-kernel - Re: Fwd: domU lenny not working: BUG: unable to handle kernel paging request at e7437cc0

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Message-ID: <48B31D3D.1080701@goop.org>
Date:	Mon, 25 Aug 2008 13:59:41 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ian Campbell <ijc@...lion.org.uk>
CC:	Sally-Anne Edwards <sallyanne.edwards@...glemail.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Fwd: domU lenny not working: BUG: unable to handle kernel	paging
 request at e7437cc0

Ian Campbell wrote:
> On Mon, 2008-08-25 at 20:46 +0100, Ian Campbell wrote:
>   
>> I thought the tools did this (so expected the Lenny tools to be
>> correct) but looking at the code it seems it is the domain 0 kernel
>> which does it.
>>     
>
> Uh, I'm thinking backwards here. It's the frontend which writes it but
> the backend needs to understand it which the Etch kernel does not.
>
> Unfortunately this means that writing the protocol node as I suggest
> won't work.
>
> Only thing I can recommend at the moment is to use a kernel which does
> have this (i.e. one from
> http://xenbits.xensource.com/linux-2.6.18-xen.hg) or to use a 32 bit
> Etch kernel if you want to run 32 bit guests.

Or run a 64-bit domU kernel?  Should work fine with a 32-bit userspace.

    J

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