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[Xen-users] How to run 32bit HVM guest on 64bit dom0?

To: Xen List <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] How to run 32bit HVM guest on 64bit dom0?
From: David Young <david@xxxxxxxxxxxxxxx>
Date: Fri, 30 Jan 2009 09:27:50 +1300
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Hey folks,

I'm trying to run a 32-bit guest via HVM on a 64bit dom0.. I don't know how to tell Xen to emulate 32 bits though (the guest has to be 32bit, it's a 32bit dev environment).

In the hvm example config file, I see the following:

device_model = '/usr/lib64/xen/bin/qemu-dm'

And I don't have an equivalent '/usr/lib/xen' 32-bit binary.

I'm running CentOS 5.2, and "xm info" says:

release                : 2.6.18-92.1.17.el5xen
version                : #1 SMP Tue Nov 4 14:13:09 EST 2008
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
sockets_per_node       : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2204
hw_caps : 178bfbff:efd3fbff: 00000000:00000110:00802009:00000000:000007ff
total_memory           : 3837
free_memory            : 0
node_to_cpu            : node0:0-3
xen_major              : 3
xen_minor              : 1
xen_extra              : .2-92.1.17.el5
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64

Any ideas?

Thanks!
- David

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