hello everybody, i have compiled succesfully the hello world!! sample module. But when i try to insert it into the kernel, using insmod the following message is displayed. " hello: disagrees about the version of symbol struct_module insmod: error inserting 'hello.ko' : -1 invalid module format " anybody has any idea where i have gone wrong.... please help thanks in advance , sandeep. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/