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Date: Fri, 29 Aug 2014 07:44:37 -0700
From: Nathan Whitehorn <nwhitehorn@freebsd.org>
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To: John Baldwin <jhb@freebsd.org>, Alexey Dokuchaev <danfe@freebsd.org>
Subject: Re: [PATCH] Switch ofw_console(4) to callout(9)
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On 08/28/14 18:14, John Baldwin wrote:
> On Aug 28, 2014, at 2:44 AM, Alexey Dokuchaev <danfe@FreeBSD.ORG> wrote:
>
>> On Mon, Aug 25, 2014 at 03:39:20PM -0400, John Baldwin wrote:
>>> This patch switches the ofw_console driver from timeout(9) to callout(9).
>>> The patch is against HEAD but it probably applies to 9 and 10.
>> On 11.0-CURRENT powerpc r266314M:
>>
>> $ man ofw_console
>> No manual entry for ofw_console
>>
>> I don't think you can call it ofw_console(4) just yet. ;-)
> It's a driver in the kernel and those are section 4. :)
>
>>> Please test with INVARIANTS enabled.
>> What are the exact test steps that would be useful for you?
> Just making sure it works?  I'm not sure how you force it as the console device or if it's just a matter of enabling it in /etc/ttys and then making sure you can interact with it ok as a console.
>

You can test it by setting hw.syscons.disable=1 if you are using 
syscons. I'm not sure if there's an equivalent for vt. It hasn't really 
worked right on PPC for some time, however, and might work better on sparc.
-Nathan