Re: seeing some junk characters on boot console with v4.9-rc1-3-g14155ca

From: Rob Herring
Date: Tue Oct 18 2016 - 15:39:58 EST

On Tue, Oct 18, 2016 at 7:08 AM, Mugunthan V N <mugunthanvnm@xxxxxx> wrote:
> Hi
> I am seeing some junk characters on uart boot console on DRA72x platform
> [1] and even on other TI platforms, did a bisect and found the commit
> "761ed4a94582" broke it first.
> By reverting below two commit, I don't see the issue logs [2].
> 761ed4a94582 "tty:serial_core: convert uart_close to use tty_port_close"
> a5a2b13074fd "serial: core: fix potential NULL pointer dereference"

Can you test with the patch titled "tty: serial_core: Fix serial
console crash on port shutdown"[1]? It may be disabling the console
when it shouldn't.