<div dir="ltr">So, I guess I'm stuck waiting for iGVT-g to go upstream then :-(. </div><div class="gmail_extra"> <div class="gmail_quote">On 19 January 2017 at 15:20, Christophe Fergeau <<a href="mailto:cfergeau@redhat.com" target="_blank">cfergeau@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Tue, Jan 10, 2017 at 10:06:33AM +0200, George Diamantopoulos wrote: > Hello all, > > I'm trying out qxl-dod in a new installation, and performance is so low > that the guest is practically unusable. Redrawing takes about 4-5 seconds. > I have used qxl-dod in the past on the same hardware with much better > results, although the software stack is different this time. I tried > disabling all visual effects, but apart from the expected gains (fewer > frames to redraw after each action due to the animations' being disabled) > it didn't improve usability much. > > As I have no idea how to provide useful debugging information on this, I'll > try to outline my configuration here for now. Please let me know if there's > anything I can do to provide more meaningful information: > > Host: Gentoo linux, kernel 4.9.1 > Hypervizor: Xen 4.8.0 Oh you are using Xen, you might be the first one testing qxl-wddm-dod on Xen :(( This might explain the guest gets so slow with the driver (ie bug only showing up when using Xen). Christophe </blockquote></div> </div>