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Date: Sun, 23 Jan 2011 19:28:30 -0800
From: Doug Barton <dougb@FreeBSD.org>
Organization: http://SupersetSolutions.com/
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To: David Demelier <demelier.david@gmail.com>
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Cc: freebsd-current@freebsd.org, Garrett Cooper <gcooper@FreeBSD.org>
Subject: Re: why panic(9) ?
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On 01/23/2011 15:00, David Demelier wrote:
> In any case, when panic occurs, switching display to the tty can be
> great. Why not a sysctl like kern.tty_on_panic? Because when you're
> running X and a panic occurs not everybody understand what happens.

Putting the following in /etc/sysctl.conf can help:

debug.debugger_on_panic=0

The reason being that sometimes when you panic in X the system is 
attempting to drop to the debugger, but can't, which is why it hangs.


hth,

Doug

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