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Cc: freebsd-questions@freebsd.org
Subject: Re: Non-maskable interrupt trap
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Marco Beishuizen <mbeis@xs4all.nl> wrote:
> Fot the first time in years I had a kernel panic in FreeBSD
> (8.0-ST).  While playing a flash movie in Firefox (3.6),
> everything just locked up and only resetting helped. After the
> reboot it wrote a corefile in /var/crash/ which is unfortunately
> too big to read by any text editor.

Corefiles are binary, not usefully readable with anything text
oriented.  See the Handbook section on Kernel Debugging for how
to get a backtrace from it.

> ...
> Hope that someone has an idea what has caused this. I just can't
> imagine that a flash plugin is able to crash FreeBSD.

One possible cause is a driver bug in some obscure corner case that
the flash player tried to use.