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

["David P. Quigley" <dpquigl@xxxxxxxxxxxxx>]

On Wed, 2010-01-27 at 10:49 +0800, Han, Weidong wrote:
> 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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Hello,
        Attached is the full serial console output with vt-d enabled from the
xen 4.0-pre ascii art to the kernel oops in dom0.

Dave

Attachment: vtd-output.txt
Description: Text document

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