I have a problem with modprobe command... I compiled the hello world module and loaded it with insmod, it works fine and when I do lsmod,
modprobe
insmod
lsmod
i think there should be entry of your your_module.ko in /lib/modules/uname -r/modules.dep and in /lib/modules/uname -r/modules.dep.bin for "modprobe your_module" command to work
uname -r