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Re: [Xen-devel] Kernel Panic with xenU on Athlon XP

To: Andy Kwong <andy@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Kernel Panic with xenU on Athlon XP
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Fri, 18 Feb 2005 12:58:05 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 18 Feb 2005 12:59:50 +0000
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In-reply-to: Your message of "Fri, 18 Feb 2005 00:46:59 GMT." <pan.2005.02.18.00.46.59.419634@xxxxxxxxxxxx>
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> Hi,
> 
> Running xen-devel with the fedora-devel kernel on a Athlon XP results in
> the following panic for xenU guests. Strangely, xen0 boots up fine and
> runs without any problems. Additionally, the same kernel binary was tested
> on a system running an Intel Pentium-M and it works fine.
> 
> Any ideas or anything else I can do to help?

The AMD init path is glaringly broken (trying to execute privileged
instructions even from within an unprivileged guest). I'll check in a
fix to the unstable repository.

 -- Keir


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