why panic(9) ?

Gary Jennejohn gljennjohn at googlemail.com
Mon Jan 24 10:51:17 UTC 2011

On Sun, 23 Jan 2011 19:28:30 -0800
Doug Barton <dougb at FreeBSD.org> wrote:

> 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.

For what it's worth this appears to be the default on -current.

Gary Jennejohn

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