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From: Jia-Shiun Li <jiashiun@gmail.com>
Date: Tue, 15 Oct 2013 23:33:41 +0800
Message-ID: <CAHNYxxOAPAcytpfOQF=EJXFNbqxBpY2crS_YmLT4PGc=6EZFvw@mail.gmail.com>
Subject: Re: Instability on Raspberry Pi
To: Ian Lepore <ian@freebsd.org>
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On Tue, Oct 15, 2013 at 9:46 PM, Ian Lepore <ian@freebsd.org> wrote:
>
> It requires that you are using a serial console, and that you have
>
>   options       ALT_BREAK_TO_DEBUGGER
>
> in your kernel config.  It looks like that's not in the stock RPI-B
> config.  There's a different break sequence for using a keyboard and
> video console (and I don't even know what that is, it's not something I
> ever use).

I suppose "sysctl debug.kdb.alt_break_to_debugger=1" should be enough
to enable it at runtime?

Jia-Shiun.