Subject: Re: How to change serial baud rate on already installed bootblocks (netbsd-3-0-RELEASE)
To: Thor Lancelot Simon <tls@netbsd.org>
From: David Laight <david@l8s.co.uk>
List: port-i386
Date: 09/04/2007 18:12:22
On Tue, Sep 04, 2007 at 12:11:22PM -0400, Thor Lancelot Simon wrote:
> On Tue, Sep 04, 2007 at 08:23:57AM +0200, Job Hanssen wrote:
> >
> > Ok, I could have put that into words more clearly...
> >
> > What I tried to convey is that all kernel-output is at 38400 baud, while
> > the login-prompt is at 115200 baud...
>
> Are you *sure* you didn't hardwire a serial console in your kernel
> configuration? If you did, it will ignore all console settings from
> the bootblocks -- which sounds like exactly what's going on here.
That could be verified by setting the speed in the bootblocks to a
lower value (eg 9600) and then verifying the speed the kernel messages
are output at.
I bet there is a bound check on the value that comes from the
boot parameters somewhere.
David
--
David Laight: david@l8s.co.uk