modprobe error

["Kostas Robotis" <krobotis@gmail.com>]

Hello, I am new to linux ;) I have Debian Sarge with kernel 2.6.18.1
and I want to load
x_tables module in order to have the ip_tables. The "mod_probe
x_tables" writes the following to the eventlog:

Oct 28 20:55:41 localhost kernel: x_tables: version magic '2.6.18.1
preempt mod_unload PENTIUM4 REGPARM gcc-3.3' should be '2.6.18.1 386
REGPARM gcc-3.3'

Anyone can help?