RE: [Xen-devel] Xen 4.0 + PVOPS + Intel VTD + USB EHCI = BUG()

["Han, Weidong" <weidong.han@xxxxxxxxx>]

Can you pls post the serial output? It should have warning messages if it is 
caused by VT-d.

Regards,
Weidong

-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of David P. Quigley
Sent: Wednesday, January 27, 2010 4:21 AM
To: Pasi KÃrkkÃinen
Cc: Daniel Stodden; xen-devel@xxxxxxxxxxxxxxxxxxx; Konrad Rzeszutek Wilk
Subject: Re: [Xen-devel] Xen 4.0 + PVOPS + Intel VTD + USB EHCI = BUG()

On Tue, 2010-01-26 at 21:46 +0200, Pasi KÃrkkÃinen wrote:
> On Tue, Jan 26, 2010 at 02:30:09PM -0500, David P. Quigley wrote:
> > I have a small update on the problem. It does seem like it is tied to
> > VT-D because I just turned it off in the bios and the dom0 manages to
> > boot on top of xen and I can log in. Are there any options for VT-D that
> > you would like me to try to help pin point the problem?
> > 
> 
> At least update to the latest xen-unstable tree, since -rc2 got just 
> released, 
> and it has some VT-d fixes/changes.
> 
> -- Pasi

I updated my xen-unstable tree and tried to turn VT-D back on and it
breaks booting again so we still have a bug on our hands.

Dave


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