li@li-MS-7C94:~$ lsusb Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 008: ID 8087:0032 Intel Corp. AX210 Bluetooth Bus 001 Device 006: ID 1462:7c94 Micro Star International MYSTIC LIGHT Bus 001 Device 004: ID 05e3:0608 Genesys Logic, Inc. Hub Bus 001 Device 009: ID 0d28:0204 NXP ARM mbed Bus 001 Device 007: ID 1ea7:0064 SHARKOON Technologies GmbH 2.4GHz Wireless rechargeable vertical mouse [More&Better] Bus 001 Device 005: ID 1a86:7523 QinHeng Electronics CH340 serial converter Bus 001 Device 003: ID 05e3:0610 Genesys Logic, Inc. Hub Bus 001 Device 002: ID 3151:4015 ROYUAN Gaming Keyboard Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 375.204403] usb 1-6.4: USB disconnect, device number 8 [ 379.529854] usb 1-6.4: new full-speed USB device number 9 using xhci_hcd [ 379.774322] usb 1-6.4: New USB device found, idVendor=1a86, idProduct=7523, bcdDevice= 2.64 [ 379.774329] usb 1-6.4: New USB device strings: Mfr=0, Product=2, SerialNumber=0 [ 379.774332] usb 1-6.4: Product: USB Serial [ 379.794042] ch341 1-6.4:1.0: ch341-uart converter detected [ 379.794495] usb 1-6.4: ch341-uart converter now attached to ttyUSB0 [ 380.332411] input: BRLTTY 6.4 Linux Screen Driver Keyboard as /devices/virtual/input/input24 [ 380.440472] usb 1-6.4: usbfs: interface 0 claimed by ch341 while'brltty' sets config #1 [ 380.441054] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0 [ 380.441094] ch341 1-6.4:1.0: device disconnected
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