Open bug in launchpad.net https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1380802 [ 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
On Mon, Oct 13, 2014 at 09:15:49PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=86201 > > Bug ID: 86201 > Summary: ch341-uart ttyUSB0: > usb_serial_generic_write_bulk_callback - nonzero urb > status: -71 Please send this to the linux-usb@vger.kernel.org mailing list.
The message appears when I'm printing and disconnect USB-Serial cable -- Cristian
http://news.gmane.org/gmane.linux.usb.general -- Cristian
Not sure this is really a bug beyond the noise it creates ?