How to enroll signed kernel module's public key on Jetson AGX Orin

[james226]

This was accidentally posted on the Xavier forum under the wrong user name. I have reposted in the correct place under my account. Please disregard this post and post comments and answers there instead:

How to enroll signed kernel module’s public key on Jetson AGX Orin

Jetson AGX / Tegra Linux Support: I am attempting to install the Hilscher CIFX50E PCIe card in the Jetson AGX Orin Dev kit. After installing the driver for this card and configuring for the driver to be loaded as a kernel module on power up, dmesg reports the following: [ 11.794111] uio_netx: loading out-of-tree module taints kernel. [ 11.794156] uio_netx: module verification failed: signature and/or required key missing - tainting kernel I followed the Ubuntu instructions for using shim…