disabling all serial input / output at boot time

[perryh at pluto.rain.com]

Mike Tancsa <mike at sentex.net> wrote:

> I have an embedded device (Alix box) that is running RELENG_8 off
> a CF that is designed to monitor / control a serial sensor device.
> The sensor is quite chatty and is always outputing data at 115200.
> The problem is that this will interrupt the boot process.

> I even tried to "fake" it out, but trying to make com2, the console
> in /boot/device.hints ...
>
> Is there any way to completely disable serial interaction and
> to truly make the bootup process quiet and non interactive ?

More of a workaround than a fix, but does it work any better
if you connect the device to com2 instead of com1?