Hi, When I am trying to write some data bytes ..I am getting the following error when I look into the kernel log messages. pl2303 ttyUSB0: pl2303_write - failed submitting write urb, error -22 kindly help me in resolving this error. Thanks & Regards, Raj. -- 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