How to force a Kernel Panic? (on RHEL 4.0)

[Anu Matthew]

Here is how one would force a RHEL 3.0/2.1 box to panic: 
http://evuraan.blogspot.com/2004/12/how-to-force-linux-box-to-panic.html

It works well on 2.1/3.0

I've been trying to compile same on RHEL 4.0, but am getting errors:

panic.c:3:9: #include expects "FILENAME" or <FILENAME>
panic.c:4:9: #include expects "FILENAME" or <FILENAME>


# insmod ./panic.ko
insmod: error inserting './panic.ko': -1 Invalid module format


Any help will be much appreciated. 

--Am