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Re: [Xen-users] My Xen 3.0.3m doesn't reconize my new RAM

To: s.cramatte@xxxxxxxxxx
Subject: Re: [Xen-users] My Xen 3.0.3m doesn't reconize my new RAM
From: Philippe Pegon <Philippe.Pegon@xxxxxxxxxxxxxxxx>
Date: Thu, 21 Sep 2006 20:41:44 +0200
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reply to myself

Philippe Pegon wrote:
Sébastien CRAMATTE wrote:


I've just added 2Gb of RAM on my Xen Host but this one think always it have 1G ...
I can't start VM. It tell me that dom0_min_mem is 196 and shrinking ...

What is the procedure to force Xen to reconize this memory ?
It's very strange because  a  #xm list  returns  3gb for dom0

I had the same problem with a linux dom0, that seems to be related to the memory split option in the linux kernel (processor type and features -> memory split), I've set it to "1G/3G user/kernel split" (it was "3G/1G user/kernel split") and all works fine.

after more research, I had just forgotten to set the "High Memory Support"
option to 4GB (it was set to off) in the linux kernel, maybe you too ? ;-)

Philippe Pegon

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