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Re: [Xen-devel] Critical bug: VT-d fault causes disk corruption or Dom0

To: "Li, Haicheng" <haicheng.li@xxxxxxxxx>, "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Critical bug: VT-d fault causes disk corruption or Dom0 kernel panic.
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 22 Jan 2009 07:40:26 +0000
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Thanks,

I haven't seen any problems outside of VT-d since c/s 19057, btw.

 -- Keir

On 22/01/2009 03:42, "Li, Haicheng" <haicheng.li@xxxxxxxxx> wrote:

> All,
> 
> We met several system failures on different hardware platforms, which are all
> caused by VT-d fault.
> err 1: disk is corrupted by VT-d fault on SATA.
> err 2: Dom0 kernel panics at booting, which is caused VT-d fault on UHCI.
> err 3, Dom0 complains disk errors while creating HVM guests.
> 
> The culprit would be changeset 19054 "x86_64: Remove statically-partitioned
> Xen heap.".
> 
> Detailed error logs can be found via BZ#,
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1409.
> 
> 
> -haicheng
> _______________________________________________
> Xen-devel mailing list
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> http://lists.xensource.com/xen-devel



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