Subject: Re: How to change serial baud rate on already installed bootblocks
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Job Hanssen <hanssen@dds.nl>
List: port-i386
Date: 09/03/2007 11:47:33
> On Sun, Sep 02, 2007 at 10:05:14PM +0200, Job Hanssen wrote:
>> testbak# installboot -e -o speed=115200 /dev/rwd0a
>> installboot: unknown option -- e
>>
>> That indeed seems to confirm the last comment.
>>
>> Issueing
>> installboot -o console=com0,speed=115200 /dev/rwd0a
>> /usr/mdec/bootxx_ffsv1
>> doesn't raise any complaints, but after rebooting, nothing appears to
>> have
>> changed. I still need to set the baud rate of the terminal-emulation to
>> 38400 to 'unscramble' the console-output.
>>
>> Any ideas?
>
> Does the kernel output happen at 38400 bauds too, or is it only the
> login prompt ? If the last, you just need to change the settings in
> /etc/ttys
Yes, the kernel output also happens at 38400 bauds.
I know that /etc/ttys says the login prompt should be 38400. When I get
home tonight I'll see what happens when I change that to 115200 too. If
that doesn't work either, it might be a hardware- or driver-related issue.
Regards,
Job Hanssen