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Re: [Xen-devel] [timer/ticks related] dom0 hang during boot on large 1TB

To: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] [timer/ticks related] dom0 hang during boot on large 1TB system
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Mon, 04 Jan 2010 08:23:01 +0000
Cc: kurt.hackel@xxxxxxxxxx, Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, Xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
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>>> Jeremy Fitzhardinge <jeremy@xxxxxxxx> 22.12.09 19:03 >>>
>On 12/22/2009 09:02 AM, Jan Beulich wrote:
>> No, that won't help. I'm referring to things like Dom0 accesses to the
>> M2P table it sees, which doesn't cover even nearly all memory. I can't
>> say whether that can go without problem, but without closely looking
>> at it I don't think you can assume this would work. Likewise I would
>> suspect tools issues (if you use the tools from xen-unstable et al),
>> though I have no precise pointer right now at specific issues.
>>    
>
>32-bit dom0 is the standard use model for Citrix product, and I think 
>people tend to run it even with xen-unstable.  Its a fairly well-tested 
>combination.

But very unlikely with 1Tb of memory, don't you think?

Jan


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