> It might be that the kernel version you are using has not exported > these symbols, in this case you need to export these symbols > explicitly using EXPORT_SYMBOL macro in the relevent files of the > kernel sources and then re-compile the kernel and boot your machine > with new kernel image, then try to load the module. You're right. That was the problem. After inserting the EXPORT_SYMBOL call in the relevant files, it works! Thank you! Markus -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/