network: 0.168 other: 0.115 boot: 0.115 vnc: 0.106 semantic: 0.100 device: 0.091 graphic: 0.089 performance: 0.061 socket: 0.036 files: 0.031 debug: 0.029 permissions: 0.025 PID: 0.024 KVM: 0.011 debug: 0.391 boot: 0.276 other: 0.059 network: 0.045 vnc: 0.044 KVM: 0.031 files: 0.029 performance: 0.027 device: 0.025 PID: 0.024 semantic: 0.020 socket: 0.017 graphic: 0.007 permissions: 0.005 config qemu virtio_queue_size to 1024,create vm boot from network failed config qemu virtio_queue_size to 1024,create vm boot from network failed。 in the vm vncviewer,see the error log: “ERROR queue size 1024 > 256 could not open net0: no such file or directory" the vm bios is seabios. see the seabios,it queue size config 256,can not change. but vm by other boot type ,such as dev='hd', can use virtio_queue_size = 1024 Which version of QEMU were you using here? Can you still reproduce this issue with the latest version of QEMU? If so, please also provide the full command line parameters that you used to start QEMU. [Expired for QEMU because there has been no activity for 60 days.]