On Tue, Sep 20, 2011 at 02:41:44PM +0200, Marc-André Lureau wrote: > Hi > > On Tue, Sep 20, 2011 at 3:11 AM, Wen Congyang <wency@xxxxxxxxxxxxxx> wrote: > > > > So I think qxl device supports multifunction. > > > > It works on Linux, but not on Windows. It is most likely a driver bug, > but nobody so far found a solution. > > Using windows kernel debugger, the only "interesting" message I could find is: > > "VIDEOPRT: Multifunction board not allowed to start" > Now that I see it a second time, this looks obviously like a problem with the built in videoprt.sys, so nothing we can fix without rewriting our driver to use the newer WDDM framework, and that would not work for XP anyway. I would look for documentation on videoprt.sys limitations. > (I compared windows kernel log of various pnp/pci/video mask with and > without multifunction qxl, it didn't help me to find why windows > refuse to start it) > > regards > > -- > Marc-André Lureau > > -- > libvir-list mailing list > libvir-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/libvir-list -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list