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Date: Sat, 22 Oct 2011 00:40:04 +0300
From: Andriy Gapon <avg@FreeBSD.org>
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To: Mike Tancsa <mike@sentex.net>
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Cc: freebsd-usb@FreeBSD.org
Subject: Re: serial console on USB ?
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on 22/10/2011 00:18 Mike Tancsa said the following:
> I came across a thread mentioning potential patches being added a while
> back to allow for the console to work with USB, but I am not able to get
> it to work with RELENG_8
> 
> If I just add
> 
> ttyU0   "/usr/libexec/getty std.9600"   vt100   on secure
> 
> I can login to the box no problem.  But That does not show bootup access
> via the serial console. Is there a way to enable that ?

I don't believe so.
USB subsystem depends on so many kernel services that USB drivers become
functional quite late in the boot process.

-- 
Andriy Gapon