Dach Miroslaw wrote:
Hi Baruch,
Thanks for your hint. Your solution refers to the change of the command line arguments
used at boot-up. I am however looking for a possibility to redirect console device at run time.
Best Regards
Mirek
-----Original Message-----
From: Baruch Siach [mailto:[email protected]]
Sent: Sat 6/20/2009 8:30 PM
To: Dach Miroslaw
Cc: [email protected]
Subject: Re: Howto redirect serial console
Hi Dach,
On Sat, Jun 20, 2009 at 08:01:21PM +0200, Dach Miroslaw wrote:
I have a ppc405 based board with one serial interface which I use as a console.
I would like to redirect or suppress, at run time, the console in order to use
the
serial port to control external serial devices.
I have tried (busybox) setconsole program to redirect the console to /dev/null
but it did not work. What would be the elegant way to redirect or suppress the
serial console.
I encountered a similar situation before. My solution was to pass console=tty1
to the kernel.
baruch
Could you not setup different run levels? The default run level could
use the serial port for console (which runs getty on it). You could have
another init level setup that doesn't have getty running on the serial
port. Switch between the run levels via init #. Or you could not have
init handle starting getty on the serial port. Instead, you could have a
boot script start getty but then you kill it when you want to use it for
something else.
~Matthew
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