Dear Alan Stern, Of [0] and [1]: [0] https://launchpadlibrarian.net/187256631/CurrentDmesg.txt [1] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1380802 [0]: [ 1014.961203] ch341-uart ttyUSB0: usb_serial_generic_write_bulk_callback - nonzero urb status: -71 [ 1014.961252] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 [ 1014.961418] ch341-uart ttyUSB0: usb_serial_generic_write_bulk_callback - nonzero urb status: -71 [ 1014.961465] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 [ 1014.961619] ch341-uart ttyUSB0: usb_serial_generic_write_bulk_callback - nonzero urb status: -71 [ 1014.961636] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 [ 1014.961781] ch341-uart ttyUSB0: usb_serial_generic_write_bulk_callback - nonzero urb status: -71 [ 1014.961802] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 [ 1014.962044] ch341-uart ttyUSB0: usb_serial_generic_write_bulk_callback - nonzero urb status: -71 [ 1014.962076] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 [ 1014.962221] ch341-uart ttyUSB0: usb_serial_generic_write_bulk_callback - nonzero urb status: -71 [ 1014.962240] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 [ 1014.962431] ch341-uart ttyUSB0: usb_serial_generic_write_bulk_callback - nonzero urb status: -71 2014-10-14 11:01 GMT-03:00 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: > On Tue, 14 Oct 2014, Cristian wrote: > >> Hello! >> >> The message appears when I'm printing and disconnect USB-Serial cable > > What message? > > Besides, shouldn't you expect some sort of error message to appear if > you diconnect a USB cable while the computer is using it? One menssage, no many messages IMHO Regards, -- Cristian Aravena -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html