On 05/22/2018 04:08 PM, Tomáš Golembiovský wrote: > Hi, > > you can try to use VDSM hook to add a dummy serial device to the VM > domain XML. Or if you really need a physical device then you can use the > hook to add the <hostdev> element to the domain XML. Don't forget to pin > the VM to a specific host though. Yes, pinning is most likely needed. As per libvirt configuration, there should be direct libvirt support, maybe predating hostdev: https://libvirt.org/formatdomain.html#elementsCharHost Bests, -- Francesco Romani Senior SW Eng., Virtualization R&D Red Hat IRC: fromani github: @fromanirh