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Date: Wed, 15 Oct 2014 20:10:27 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: William Bulley <web@umich.edu>
Subject: Re: exiting Xorg locks up 9.2-STABLE system
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Cc: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>,
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On Wed, 15 Oct 2014, William Bulley wrote:

> According to Warren Block <wblock@wonkity.com> on Wed, 10/15/14 at 18:44:
>>
>> No, you're right.  It appears that 9-STABLE only supports either sc or vt,
>> but not both.
>
> Okay, so if I'm unwilling to jump to 10.x at this point (having just
> upgraded to 9.3-STABLE from 9.2-STABLE), what's a fellow to do about
> this apparent failure mode (when exiting an Xorg session) on 9.3-STABLE?
>
> Do I try to use the vt(4) device (which seems to have failed me this
> morning) or stick with sc(4) (where things seem to hang when exiting
> my Xorg sessions)?  Appears to be a bit of a Catch-22 to my thinking...  :-(

The path of least resistance is to add vt to the GENERIC kernel config 
that comes with 9.3 and try to build that.  The thought is that your 
custom kernel config may be missing things that vt needs.