On Fri, Jan 26, 2007 at 06:17:03PM +0000, Jose Goncalves wrote:
> Frederik Deweerdt wrote:
> > On Fri, Jan 26, 2007 at 03:50:25PM +0000, Jose Goncalves wrote:
> >
> >> I'm having a problem with the latest 2.6.16 kernel (I've found the
> >> problem on 2.6.16.37 and 2.6.16.38). I have a application that retreives
> >> data from a GPS connected on a serial port. From time to time a get a
> >> kernel Oops, like this:
> >>
> >>
> > Could you send your .config?
> >
> Here it goes...
>
Thanks. It looks like something is wrong with port->ops->startup() in
uart_startup(), could you apply the following patch and report the
results? And btw, you're using a plain 8250 serial port, isn't it?
Regards,
Frederik
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index cc1faa3..08772dc 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -171,6 +171,10 @@ static int uart_startup(struct uart_state *state, int
init_hw)
uart_circ_clear(&info->xmit);
}
+ printk("type is %d\n", port->type);
+ printk("ops is %p\n", port->ops);
+ printk("ops->startup is %p\n", port->ops->startup);
+
retval = port->ops->startup(port);
if (retval == 0) {
if (init_hw) {
-
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