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Re: [Xen-users] can't allocate more than ~800MB to dom0

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] can't allocate more than ~800MB to dom0
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date: Wed, 15 Jun 2005 19:03:35 +0100
Cc: Sam Elstob <samelstob@xxxxxxxxxxx>
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> If I try to start my Linux dom0 with more than than about 800M it won't
> boot.  I have 2G of RAM.  What's going on?  Something to do with x86
> memory architecture?  Also how do I get a a xen dmesg from the previous
> boot?

I'm surprised it won't boot at all.  However, x86 Linux does require Highmem4G 
support compiled in if it's going to use large memory machines: have you 
compiled a dom0 kernel with this included (the binary distribution of the 
xen0 kernel does not have this).

Cheers,
Mark

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