questions about Fatal Trap 12

[Ray]

On Friday 03 April 2009 11:44:31 Ray wrote:
> Hello,
> I have received a kernel Trap 12 error several times now and am trying to
> figure it out.
> the error occurred today, and the previous time was about two weeks ago.
> last time I had to run fsck manually if that proves anything.
>
>
> uname -a gives the following:
>
> FreeBSD wserver.********.com 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #0: Wed
> Sep 17 13:30:46 MDT 2008    
> root at wserver.*********.com:/usr/obj/usr/src/sys/MOD amd64
>
>
> Google returns results mostly for versions 4.x and 5.x, but it suggest 2
> main things:
> test ram, and kernel panic troubleshooting.
> (http://www.freebsd.org/doc/en/books/faq/advanced.html#KERNEL-PANIC-
> TROUBLESHOOTING)
>
> Is there a way to test the ram without removing it from the machine and
> leave the machine functioning. I've used memtest 86 before, but obviously
> the machine has to be offline for this test.
>
> However, I'm a little unsure of the instructions in the handbook on
> troubleshooting. namely, it talks about using the nm command, but I can't
> figure out the data file to give it as an argument, and second I'm unsure
> about using a debugging Kernel on a production server. I have heard that It
> will significantly slow down a machine.
> Any help or suggestions would be greatly appreciated.
> Ray

Can anybody make any suggestions, or is there a better list to take this 
question to?
Ray