Hi all, When the vendor Linux system enable "kernel module signature verification" mechanism, if install your own built module, the kernel will complain: module verification failed: signature and/or required key missing - tainting kernel After referring this post on SO(http://stackoverflow.com/questions/24975377/kvm-module-verification-failed-s...), I add "CONFIG_MODULE_SIG=n" at the beginning of Makefile, and rebuild the module. But I find this configuration option doesn't take effect, and "module verification failed: signature and/or required key missing - tainting kernel" message still occurs when first loading the module. Per my understanding, this message shouldn't occur anytime. Could anyone give some clues on this issue? Thanks in advance! Best Regards Nan Xiao