Andrew Lyon wrote: > On Fri, Feb 5, 2010 at 2:11 AM, Han, Weidong wrote: > >> Current Xen only supports to pass-through primary gfx card. The secondary gfx pass-through patch is not in Xen yet. I think it needs to think more clearly about secondary gfx pass-through usage and implementation. >> >> Regards, >> Weidong >> > > Do you have a patch for secondary passthru on Xen 4? I seem to recall > No, we won't push this support in Xen 4, because it still needs more thinking about secondary gfx passthru usage and implementation. > somebody had been successful with secondary passthru using an > additional patch but I cannot find it. > You can search subject "graphics passthrough with VT-d" in xen-devel mailing list. There are lots of discussion in the thread. I attached the mail which contains the patches for secondary gfx passthrough with some other hacks. You can have a try with them. Regards, Weidong > I'd like to give it a try, I have one system with 2 x radeon x1950's > and another with Quadro FX380 and GeForce 9500 GT, both currently > running X, xen 3.4.2 with 2.6.31.12 suse patched dom0. > > Andy > > >> -----Original Message----- >> From: xen-devel-bounces@lists.xensource.com [mailto:xen-devel-bounces@lists.xensource.com] On Behalf Of Christian Tramnitz >> Sent: Thursday, February 04, 2010 8:15 PM >> To: xen-devel@lists.xensource.com >> Subject: [Xen-devel] Re: [PATCH 0/3] VT-d: support Intel IGD passthrough >> >> Thanks for updating those patches to current xen. >> >> Is IGD pass-through also supposed to work when the IGD is not the >> primary gfx card? >> >> >> Best regards, >> Christian >> >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xensource.com >> http://lists.xensource.com/xen-devel >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xensource.com >> http://lists.xensource.com/xen-devel >> >>