delay and rateudev似乎看到了这一点,使用命令udevadm test /sys/bus/usb/devices/3-' /etc/udev/rules.d/99-usb-keyboard.rules:1
unable to create temporary db file '/run/udev/data/+usb:3-2:1.
类似地,lsblk不像普通的闪存那样指示闪存.dmesg确实表示设备已被识别,输出如下所示:[ 1273.129256] usb 3-2:New USB device found, idVendor=04b9, idProduct=0300[ 1273.129272] usb 3-2: Product: USB
[Aug20 11:47] usb 3-2: new high-speed USB device number 19 using xhci_hcd[ +0.000002] usb 3-2: Product: ROCK MP3[ +0.000002] usb 3-2: SerialNumber: USBV1