Re: How to enable output to serial console at run-time?

[Paul Menzel]

Dear Greg,


Am 02.11.2017 um 17:53 schrieb Greg KH:
> On Thu, Nov 02, 2017 at 04:39:36PM +0100, Paul Menzel wrote:

> > If I want to output the Linux kernel messages to the serial console, but the
> > `console=ttySâ` line is missing on the Linux command line, is there a way to
> > activate that during run-time by, for example, using the sysfs interface?
>
> Why not change the command line to enable it properly?

Sometimes itâs not possible or very inconvenient to reboot the system.


Kind regards,

Paul