qemu 3 '-usbdevice' is deprecated

Posted on 2019-06-15 Edited on 2020-12-04 In GNU/Linux

qemu 3.1 提示

1	'-usbdevice' is deprecated, please use '-device usb-...' instead

使用主机usb设备可以这样写:

1 2	-machine usb=on -device usb-host,hostbus=2,hostaddr=4

一定不要忘了添加 -machine usb=on，不然

1	No 'usb-bus' bus found for device 'usb-host'