lsmod|grep usb usbserial 30889 2 pl2303,ch341 插上U盘也只有usbserial
aredfox
当u盘插到机器上后message中 Jun 11 17:07:26 localhost kernel:last message repeated 26 times Jun 11 17:07:26 localhost kernel: usb 1-4: new high speed USB device using ehci_hcd and address 98 Jun 11 17:07:27 localhost kernel: hub 1-0:1.0: unable to enumerate USB device on port 4