Loosing stdin/stdout over serial consoleafter bootup

[Mandeep Sandhu]

Anyone?

On Mon, Sep 8, 2014 at 3:30 PM, Mandeep Sandhu
<mandeepsandhu.chd at gmail.com> wrote:
> Hi All,
>
> I'm having a strange problem of loosing stdout output over serial console.
>
> I'm booting a kernel (3.14.16) on a x86_64 based board with a serial
> port. The board has Grub and Linux (with a minimal initrd) installed
> on a SATA HDD and starts linux with the following cmdline parameters
> from GRUB:
>
> console=tty0 console=ttyS0,115200n8 init=/bin/bash
>
> Grub loads the kernel fine and I can see the various debug messages on minicom.
>
> However, once the kernel starts init (i.e bash), I stop seeing any
> output. There's no error, no crash anywhere. It just looks like the
> stdin/stdout of the application (in this case bash) is not connected
> to the serial console.
>
> I'm sure it's a config issue, but I can't fathom what I need to
> change? Any hints?
>
> Thanks,
> -mandeep