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SubjectRe: How to enable output to serial console at run-time?
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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=ttyS…` 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 it’s not possible or very inconvenient to reboot the system.


Kind regards,

Paul

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