Date: Mon, 24 Apr 1995 09:05:20 +0200 From: uucp@kmd-ac.dk Subject: Re: syscons probe function Message-ID: <199504240705.AA15696@dkuug.dk>
next in thread | raw e-mail | index | archive | help
>From sos Mon Apr 24 09:06:34 +0200 1995 remote from FreeBSD.org
Received: from FreeBSD.org by kmd-ac.dk; Mon, 24 Apr 1995 09:01 GMT
Received: (sos@localhost) by baltazar (8.6.9/8.6.5) id JAA09287; Mon, 24 Apr 1995 09:06:35 +0200
Message-Id: <199504240706.JAA09287@baltazar>
To: jhay@mikom.csir.co.za (John Hay)
Date: Mon, 24 Apr 1995 09:06:34 +0200 (MET DST)
Cc: hackers@FreeBSD.org, sos@FreeBSD.org
In-Reply-To: <199504232133.XAA01284@zibbi.mikom.csir.co.za> from "John Hay" at Apr 23, 95 11:33:12 pm
From: sos@FreeBSD.org (S o/ren Schmidt)
Reply-to: sos@FreeBSD.org
X-Mailer: ELM [version 2.4 PL24]
Content-Type: text
Content-Length: 1415
In reply to John Hay who wrote:
>
> I have mailed about this 2 weeks ago but received no response, so I'm trying
> again:)
Oops, that shouldn't have happend..
> The changes to syscons.c in the last month or so panic my machines that do
> not have a screen but have syscons in the kernel (they only have a serial
> terminal). It happens somewhere in the attach routine during a bcopy.
>
> This led me to look through the the syscons.c file. One thing that bothers me
> is that the probe can never fail. It assumes that there is a screen. In the
> attach routine it will check if it is a colour screen otherwise it reverts
> to monochrome.
Yep, right, the probe/attach thing is just for "fun", the asume you have
the hardware there, it is easy to fix though...
> Shouldn't the probe determine if there is a screen and fail if there isn't?
> With the other changes in the kernel and the boot blocks one would assume
> that you can have a kernel with syscons compiled in and the syscons probe
> will just fail and go on with your console on the serial port, which does
> happen by the way, I do see the panic message on the serial terminal.
>
> Anyone care to comment?
Did so, I'll look at it RSN...
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Soren Schmidt (sos@FreeBSD.org | sos@login.dknet.dk) FreeBSD Core Team
So much code to hack -- so little time
..
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199504240705.AA15696>