You have to disable in 3 places:
1.) remove jp2, this disables boot up output to the com
2.) modify the redboot script with fconfig
one the line exec -c "console=ttyAM0,115200 root=...
remove console=ttyAM0 or change it to something else
This step stops the kernel messages on com1
3.) modify /etc/inittab comment out the lines:
#lgn0:12345:respawn:/sbin/getty -L 115200 ttyAM0
#lgn1:12345:respawn:/sbin/getty -L 115200 ttyAM1
This step stops all OS output to both serial ports once booted.
This should free up your serial ports, hope that helps
Justin
Quoting parayam2006 <>:
> Hi.
>
> I Need to use both com ports, but the SBC send kernel messages by the
> ttyAM0 com port.
>
> I disable JP2 and the SBC send messages.
>
> I need to disable this messages...
>
> Please help me
>
> Patricio
>
>
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