As libvirt can't predict which rendernode QEMU would pick, it won't adjust the permissions on the device, hence QEMU getting "Permission denied" when opening the DRI device. Therefore, enable 'rendernode' option for egl-headless display type. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1648236 Signed-off-by: Erik Skultety <eskultet@redhat.com> Message-id: 27f4617f19aa1072114f10f1aa9dd199735ef982.1542362949.git.eskultet@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>