Re: [PATCH v9 3/3] printk: fix double printing with earlycon

From: Petr Mladek
Date: Tue Jun 06 2017 - 12:03:48 EST


On Tue 2017-06-06 16:31:49, Petr Mladek wrote:
> On Thu 2017-06-01 14:03:25, Petr Mladek wrote:
> Now, systemd seems to handle the console= parameters as well.
> According to http://0pointer.de/blog/projects/serial-console.html,
> systemd instantiates one serial-getty@.service on the preferred
> (last mentioned) console.
>
> This might be a reason to define both console=ttyS0 console=ttyS1
> on the command line. People might actually want to get the logs
> and the login prompt on different console.

I have consulted this with a colleague. I am sorry to say but we
believe that this fits into the category of breaking userspace
(systemd, qemu). I would like to revert the patch ASAP,
before rc5. Here is a proposal of the commit message: