On Wed, 9 Jul 2014, Sven Geggus wrote: > Hello, > > I have been using this particular device (on another machine with an older > kernel) for years without problems. > > Unfortunately I ran into problems on my new machine with a 3.15.3 kernel now. > > The device suddenly stopped working yesterday rendering the machine mostly > unusable and producing 18009814 messages/hour like this: > > Jul 8 01:00:02 solar kernel: [126413.116875] pl2303 ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 > Jul 8 01:00:02 solar kernel: [126413.117068] pl2303 ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 > Jul 8 01:00:02 solar kernel: [126413.117294] pl2303 ttyUSB0: usb_serial_generic_read_bulk_callback - nonzero urb status: -71 > > I was only able to re-vitalise the machine by re-plugging the device and it > started working again afterwards. > > Any idea? Those messages mean that the device crashed. It completely stopped sending USB packets. Unplugging it must have reset the device and caused it to start working again. Alan Stern -- 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
