On Tue, 18 Aug 2009, Matthias Kaehlcke wrote: ... snip ... > some time ago i had a similar (the same?) problem, trying to debug > an ARM device using kgdb. in my case the problem was that the serial > port driver (AMBA PL010) lacked the poll_get_char() and > poll_put_char() operations, which seem to be necessary for debugging > over console. > > if you happen to use a device with AMBA PL010 try again after > applying the patch below. otherwise you might want to check if the > driver of your serial port implements the poll functions > > diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c > index 58a4879..4b27537 100644 > --- a/drivers/serial/amba-pl010.c > +++ b/drivers/serial/amba-pl010.c > @@ -308,6 +308,32 @@ static void pl010_break_ctl(struct uart_port *port, int break_state) > spin_unlock_irqrestore(&uap->port.lock, flags); perhaps a dumb question, but where is that source file? it's not in the current linux git tree. rday -- ======================================================================== Robert P. J. Day Waterloo, Ontario, CANADA Linux Consulting, Training and Annoying Kernel Pedantry. Web page: http://crashcourse.ca Twitter: http://twitter.com/rpjday ======================================================================== -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ