Since net_init_vhost_vdpa is trying to open it. Not specifying it in the command line crash qemu.
While we're at it, stop using qemu_open_old. Eugenio Pérez (2): vdpa: Replace qemu_open_old by qemu_open at vdpa: Check for existence of opts.vhostdev net/vhost-vdpa.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) -- 2.27.0