I'm trying to connect an Arduino board to IDE on Ubuntu, and I have the following driver log:
[ 543.412356] usb 1-2: USB disconnect, device number 3
[ 549.593729] usb 1-2: new full-speed USB device number 7 using xhci_hcd
[ 549.748438] usb 1-2: New USB device found, idVendor=1a86, idProduct=7523, bcdDevice= 2.54
[ 549.748449] usb 1-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[ 549.748454] usb 1-2: Product: USB2.0-Serial
[ 549.750234] ch341 1-2:1.0: ch341-uart converter detected
[ 549.750859] usb 1-2: ch341-uart converter now attached to ttyUSB0
[ 550.347356] input: BRLTTY 6.4 Linux Screen Driver Keyboard as /devices/virtual/input/input20
[ 550.462814] usb 1-2: usbfs: interface 0 claimed by ch341 while 'brltty' sets config #1
[ 550.463418] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[ 550.463437] ch341 1-2:1.0: device disconnected
As a result no ports are found, any suggestion?