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Re: [Xen-devel] Option iommu=1 causes hypervisor to start debugger

from [Keir Fraser] [Permanent Link][Original]
To: Alexia Benington <alexbenington@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Option iommu=1 causes hypervisor to start debugger
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Mon, 02 Feb 2009 21:41:44 +0000
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Perhaps the VT-d hardware/BIOS on your system causes Xen to crash and hence
drop itself into the debugger environment?

 -- Keir

On 02/02/2009 21:16, "Alexia Benington" <alexbenington@xxxxxxxxx> wrote:

> Hi,
> 
> In changeset 19130:c8962b24fb50, when using iommu=1, it goes into the
> hypervisor debugger. Why is this so? Thanks.
> 
> -Alex
> 
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