kernel BUG at kernel/exit.c:855!

[Joshua Lee]

On Wed, 8 Sep 2004 20:49:15 -0500 (CDT), David L. Crow
<crow at orangeblood.org> wrote:
> I woke up this morning and my machine was frozen and I had to perform a
> poweroff to reset it.
> 
> The following information was in my syslog:
> 
>    Sep  8 04:05:19 waterloo kernel: ------------[ cut here ]------------
>    Sep  8 04:05:19 waterloo kernel: kernel BUG at kernel/exit.c:855!
>    Sep  8 04:05:19 waterloo kernel: invalid operand: 0000 [#1]

It could be a hardware problem, you might want to try running
memtest86, for example.