Re: [Xen-devel] ATI VGA passthrough and S400 Synchronization module

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

On Wed, Aug 22, 2012 at 04:23:02PM +0000, Aurélien MILLIAT wrote:
> Hi,
> 
> I've been able to use ATI FirePro S400 with the unstable version. I've 
> updated my Dom0 and pass the graphic card as secondary adaptor.


Please do not top post. What did you upgrade dom0 to?

> I've made a quick test for Xen 4.1.2 with these updates but it's still crash 
> (no matter I will use the unstable version).
> 
> Aurélien 
> _______________________________________________
> 
> On Tue, Jul 24, 2012 at 04:05:20PM +0000, Aurélien MILLIAT wrote:
> > Hi,
> > 
> > I'm currently trying to use XEN on graphical cluster.
> > VGA passtrough works fine and I'm able to use quad-buffer for active stereo.
> > The last thing to do is to synchronize all GPU from the cluster.
> > For this purpose I use ATI FirePro S400 and it didn't works.
> > 
> > I've seen two behaviors:
> > -When I run lspci command on Dom0 I've got:
> > 0f:00.0 VGA compatible controller: ATI Technologies Inc Device 6888
> > 0f:00.1 Audio device: ATI Technologies Inc Cypress HDMI Audio [Radeon HD 
> > 5800 Series]
> > And sometimes just
> > 0f:00.0 VGA compatible controller: ATI Technologies Inc Device 6888
> > -When a DomU(Windows 7) is running, it's very slow (I can't do anything) 
> > and crash after several minutes.
> > I've tried with the unstable version and I've seen the same 'lspci' 
> > behavior.
> > 
> > I've a couple of questions:
> > Is it possible to passthrough a VGA with this extension?
> 
> I never tried. I just pass in the VGA card and don't try to pass in the HDMI 
> driver.
> 
> > As it's a particular use of VGA passtrough is it planned to able to use 
> > synchronization module?
> 
> So what is synchronization module for you? That is the HDMI part?
> 
> > Is it easy to add this feature (time cost)?
> > 
> > Computers : HP Z800 workstation
> > GPU: ATI FirePro V8800
> > CPU: Intel Xeon E5640
> > MB: Intel 5520 chipset
> > 
> > XEN :
> > Version  4.1.2
> > With ATI patch from 
> > http://old-list-archives.xen.org/archives/html/xen-users/2011-05/msg00048.html
> > Thanks,
> > Aurélien Milliat
> > 
> > 
> 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel
> 

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