On Tue, May 24, 2022 at 12:35:49AM +1000, Geoffrey McRae wrote: > Hi Gerd, > > Over the past few weeks I have been adding spice display support to Looking > Glass as a fallback mechanism for during system boot (or diags) before our > application is loaded in the guest VM. The idea is to have the VFIO GPU > duplicate it's output to the QXL device, which works fine until you load the > QXL display driver. > > The issue is that once the driver is loaded windows removes the option to > duplicate the output.
Just don't load the driver then? Or use stdvga instead? Shouldn't make a big difference performance-wise given that qxl supports 2d accel only which is pretty much dead these days. > Is this something that needs to be tweaked in the > driver to allow this? or is there a technical reason why this can't be done? I don't have much insight into the inner workings of the qxl windows driver, sorry. take care, Gerd