Hi, kanishk rastogi a écrit : > while inserting my compiled module it gives error > > insmod: error inserting 'virtape.ko': -1 Invalid > module format > > dmesg shows: > virtape: disagrees about version of symbol > struct_module > > how can i rectify it. By compiling your module against the kernel you're using. Can you please show us the Makefile you're using ? Sincerly, Thomas -- Thomas Petazzoni thomas.petazzoni@xxxxxxxx -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/