I've 'successfully' built svgalib 1.9.25-r4 with kernel helper (svgalib_helper.ko) on linux with kernel 3.7.1. When I try to load helper module I'm getting an error:
insmod ./svgalib_helper.ko insmod: error inserting './svgalib_helper.ko': -1 Invalid module format
This version of svgalib is supposed to work only with kernel 2.6.17 but I want to spend some time to make it working with new kernel.
How to get more information from insmod regarding why this module is of invalid format? What happened since version 2.6.17 that could cause some module to be incompartible with recent version (what is the first thing to think about)?