I’m starting to learn kernel modules programming. To pass any parameter to the kernel module you use module_param( ) macro which i guess work something like dynamic linking method in user space (deffer symbols relocation to run time by kernel modules loader) you can correct me if I’m wrong. Anyway…
Tag: insmod
insmod fails with “Unknown symbol in module”
I am working on Linuxmint Cinnamon 19 Ubuntu 18.04, kernel version 4.15.0-20-generic The following I see during compilation: Then I try to install the module with sudo insmod elevator.ko Seeing in the logs: dmesg | tail Makefile elevator.c issue_request.c start_elevator.c stop_elevator.c Functions are static …
Problem running “Hello World” linux module
I’m trying to compile and run a “Hello World” module from the book “Linux Device Drivers” the program ~/ldd3/hello.c I’m trying to compile is: And the Makefile is: When I run make, the compilation seems ok: But when I run : the “Hello World” message doesnt get p…
android insmod init_module failed (required key not available)
can some one help me? I have run imsmod like this: but I got an error: I googled it a lot, but there is no a perfect answer. Thanks in advance. Answer I think this is because mmdev.ko module is signed. You can check if module is signed or not using command readelf -S mmdev.ko | grep module_sig If it