From owner-freebsd-current@FreeBSD.ORG  Mon Nov 17 13:09:56 2003
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Date: Mon, 17 Nov 2003 13:09:55 -0800 (PST)
From: Doug White <dwhite@gumbysoft.com>
To: Mike Durian <durian@boogie.com>
In-Reply-To: <200311171338.03337.durian@boogie.com>
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cc: current@freebsd.org
Subject: Re: hard lock-up writing to tape
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On Mon, 17 Nov 2003, Mike Durian wrote:

> On Monday 17 November 2003 10:50 am, Doug White wrote:
> >
> > To debug this, you will need to set up a serial console with some special
> > kernel options.  Instructions for booting with serial console are in the
> > Handbook, but you will have to compile with the following kernel options:
>
> Is there a trick to setting up a serial console on sio1?  My line
> drivers are fried on sio0 and I only have sio1, sio4 and sio5 available
> for use.

Set flag 0x80 on sio1 and take it off of sio0. Thats what the kernel uses
to decide which port to use.  The BOOT_COMCONSOLE_PORT is used by loader
only.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org