I was using win7 32bit, and configured usb controller nec-xhci as well as usb tablet emulation. But it didn't work. Seems usb tablet failed to connect to xhci controller.
57 <controller type='usb' index='0' model='nec-xhci'/> 58 <input type='tablet' bus='usb'> 59 <address type='usb' bus='0' port='1'/> 60 </input> At 2012-12-12 16:29:20,"Gerd Hoffmann" <kra...@redhat.com> wrote: > Hi, > >> In the end the problem stays that usb uses a polling model versus the >> async interrupt model ps2 uses. > >If your guest supports usb 3.0 (aka xhci) you can try that. The >hardware design allows to not poll in the emulation, which brings down >the cpu load even more, should come pretty close to ps/2 mouse levels. > >cheers, > Gerd
