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Re: [Xen-devel] Testing status of fully virtualized guests (Intel VT) on

To: Ed Smith <esmith@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Testing status of fully virtualized guests (Intel VT) on 32bit XEN unstable
From: Nivedita Singhvi <nsnix@xxxxxxxxxxx>
Date: Sat, 06 May 2006 11:19:09 -0700
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Ed Smith wrote:

4. The RHEL3 UP tests ran OK however they took 12 hours
   to complete where on RHEL4 UP the run for ~4 hours.
   There seems to be some performance issue running a
   2.4 kernel fully virtualized guest.

We've seen this, and is one of the factors driving the push for
a new device model for fully virtualized guests. I'm not sure if
anyone is looking into shorter term investigation/hacks for it
or taking 2.4 based guests very seriously at this point.


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