On Fri, 27 Jul 2007, Paul Fulghum wrote: > I can't see anyplace in serial_core.c or 8250.c that sets TTY_OVERRUN. Look for UART_LSR_OE in 8250.c -- the serial core accepts any bit that has been defined by the low-level driver and sets TTY_OVERRUN in uart_insert_char(). Maciej - To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html