[H-GEN] Setserial Command

Marshall, Joshua MarshallJ at switch.aust.com
Wed May 12 19:33:03 EDT 1999


(Note reply-to: being general at humbug.org.au vs "Marshall, Joshua" <MarshallJ at switch.aust.com>)

Does anyone have experience using "Setserial" in Redhat 6 to force linux
to
automatically set /dev/ttyS2 to irq 5 and /dev/ttyS3 to irq 7 on boot ??

This is what I've done:

Create the file /etc/rc.d/rc.serial

#!/bin/sh

# This script configures the serial ports.

setserial /dev/ttyS0 port 0x3F8 irq 4
setserial /dev/ttyS1 port 0x2F8 irq 3
setserial /dev/ttyS2 port 0x3E8 irq 5
setserial /dev/ttyS3 port 0x2E8 irq 7

And call /etc/rc.d/rc.serial from your /etc/rc.d/rc.sysinit script:

# Initialize the serial ports.
if [ -f /etc/rc.d/rc.serial ]; then
        . /etc/rc.d/rc.serial
fi

The kernel initially detects the ports incorrectly but this fixes it
later in the boot.  Works great for me!

Cheers,
Josh.


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