Issue Activating HMM Feature on NVIDIA RTX A4500 with CUDA Toolkit 12.4 on Debian Bookworm

[Robert_Crovella]

How to enable HMM on Debian?

I’m on GCP instance with T4 GPU. Booted up Ubuntu. Installed nvidia-open. HMM is enabled. But a customer is using Debian. So I tried Debian on exact same hardware. HMM won’t enable no matter what I do. I tried kernel 6.9 and even 6.11. Different flavors of the kernel. Even compiling my own kernel from latest unstable. Is there an official document about what exactly is required? Which kernel option needs to be enabled? Any way to enable logs to show why it decided not to enable HMM? [ 0.0000…