On Fri, Sep 9, 2016 at 4:26 AM, Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> wrote:
> Hi Rob,
> I'm trying to boot my Rockchip RK3368 platform with linux-next,
> 20160909, and find the console is broken. After doing bisect and
> reverting your commit 761ed4a94582 ("tty: serial_core: convert
> uart_close to use tty_port_close"), it seems to work again.
> I don't have too much knowledge about tty, so I think I could help you
> test if you have any idea.
I'm aware of the issue and trying to reproduce. Do you have a stack trace?
I think the problem is the tty_struct is accessed in the irq, but is
already NULL from the close.
Rob
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