Empower Virtual Machines with Dedicated Graphics Xen GFX Passthrough

... xen-traditional' boot='c' sdl=0 vnc=1 vncpasswd='' stdvga=0 serial='pty' tsc_mode=0 viridian=1 usb=1 usbdevice='tablet' gfx_passthru=0 pci=[ '01:00.0', '01 ... ... gfx_passthru=1pci = [ '01:00.0' ]12 pci-stubPrevents nouveau kernel module/vga driver from loading.sudo nano /etc/modprobe.d/blacklist ... I'd be looking to use Xen just for the VMs that need the GPU and leave my headless server VMs alone using KVM. My ideal setup would be like this ... As of XenServer ... As well as the -priv flag, qemu must be launched with the -std-vga and -gfx_passthru flags. The actual PCI passthrough is handled separately ... So you don't need any switch. Your Windows config file must have: sdl=1 gfx_passthru=1 pci=['yy:zz.n']. "yy:zz.n" is the PCI ID of the VGA ... Xen VGA graphics passthru has been tested to work with these graphics adapters: Intel display adapters, User reported working adapters. for currently supported graphics cards for gfx_passthru. gfx_passthru is currently only supported with the qemu-xen-traditional. device-model ... Also you can check stubdomain log (/var/log/xen/console/guest-VMNAME-dm.log). There is also xl.cfg[1] option gfx_passthru, which sadly isn't supported by ... gfx_passthru, val: None [2013-02-06 11:35:16 4033] DEBUG (image:990) ... (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input ... gfx_passthru also enables various legacy VGA memory ranges, BARs, MMIOs, and ioports to be passed through to the VM, since those are required ...