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[Xen-users] Fedora and Xen slowdown

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Fedora and Xen slowdown
From: Luke <secureboot@xxxxxxxxx>
Date: Wed, 21 Sep 2005 20:52:05 -0400
Delivery-date: Thu, 22 Sep 2005 00:49:49 +0000
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Reply-to: Luke <secureboot@xxxxxxxxx>
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I just installed Xen on a Fedora Core 4 machine according to the quickstart instructions on the Fedora website (which, notably include nothing about moving TLS).

However, on booting the new xen kernel, I get a slowdown of 400-500%.  This basically renders the system unusable.  I've tried moving TLS out of the way, but I still get the big scary message on bootup of the new kernel telling me that I'm using TLS emulation, and that it will be slow.  Should I be seeing this message? (seems like I should be, from what I've seen on google).

What could be causing this slowdown?  Should I expect this from a xen kernel?  note that I'm running no domUs.

I did check that SELInux was disabled.

Thoughts?

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