From owner-freebsd-current@FreeBSD.ORG  Fri Feb 24 17:30:52 2012
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From: Jung-uk Kim <jkim@FreeBSD.org>
To: matt <sendtomatt@gmail.com>
Date: Fri, 24 Feb 2012 12:30:40 -0500
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Cc: freebsd-current@freebsd.org
Subject: Re: Syscons issue Intel D2700
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On Thursday 23 February 2012 11:11 pm, matt wrote:
> I'm currently trying to boot an intel evaluation board (D2700) with
> 10-CURRENT.
> Installation was
> make installworld DESTDIR=/mnt/disk
> make installkernel DESTDIR=/mnt/disk
> make distribution DESTDIR=/mnt/disk
> vi /mnt/disk/fstab (added lines for root, swap)
> unmount /mnt/disk
>
> Boot goes fine until the kernel is loaded.
> Once the kernel is loaded, boot continues, however only the very
> bottom line is showing kernel messages...the rest of the screen
> still "looks" like loader.
>
> Once booted, a number of silly attempts with vidcontrol 80x25,
> vidcontrol -C, vidcontrol VESA_800x600 do not fix the situation.
>
> Interestingly, typing clear moves the prompt up, but the screen
> still looks like loader.
> I can see my text, but command output is not written to the
> console.
>
> This is weird. I am actually not that interested in much about the
> graphics on this board...it's gma500 all over again.
> Getting basic syscons working would be nice, however...I don't want
> to have to use a null modem cable during development.
>
> If it helps I'll fire up sshd and make a bunch of diagnostic files,
> although I can't see ifconfig output I assume em drivers are fine.
> It is a nice board otherwise, with two intel nics...am interested
> in developing a freebsd-based product if possible :)
>
> If this is something I hosed with the above minimal installation I
> apologize in advance!

It sounds like a timer issue.  Try "set kern.eventtimer.periodic=1".  
It's a long shot, though.

Jung-uk Kim