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From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Alexia Benington <alexbenington@gmail.com>,
	xen-devel@lists.xensource.com
Subject: Re: Option iommu=1 causes hypervisor to start debugger
Date: Mon, 02 Feb 2009 21:41:44 +0000	[thread overview]
Message-ID: <C5AD1918.AB8%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <7969168f0902021316h80cc4adoe2ce38dde2bd805a@mail.gmail.com>

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@gmail.com> wrote:

> Hi,
> 
> In changeset 19130:c8962b24fb50, when using iommu=1, it goes into the
> hypervisor debugger. Why is this so? Thanks.
> 
> -Alex
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

  reply	other threads:[~2009-02-02 21:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-02 21:16 Option iommu=1 causes hypervisor to start debugger Alexia Benington
2009-02-02 21:41 ` Keir Fraser [this message]
2009-02-02 21:48   ` Alexia Benington
2009-02-02 21:53     ` Neo Jia
2009-02-02 22:00       ` Alexia Benington
2009-02-02 23:42         ` Alexia Benington
2009-02-03  8:06           ` Keir Fraser
2009-02-03 14:25             ` Alexia Benington
2009-02-04  1:55               ` Zhao, Yu
2009-02-04  2:27                 ` Alexia Benington
2009-02-04  2:52                   ` Zhao, Yu
2009-02-04 20:30                     ` Alexia Benington

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