Docker option --runtime=nvidia not working for image ubuntu:20.04

Autonomous Machines Jetson & Embedded Systems Jetson AGX Orin
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Hi, I have an issue on orin with jetpack 5.0.2.

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As shown in above image，I cannot find libnvmedia.so in ubuntu20:04 with nvidia runtime. (there is no /usr/lib/aarch64-linux-gnu/tegra directory). But if I use formal image nvcr.io/nvidia/l4t-tensorrt:r8.5.2.2-devel, I can find libnvmedia.so at /usr/lib/aarch64-linux-gnu/tegra and nvidia runtime works.
So my question is, why docker option --runtime=nvidia not working for image ubuntu:20.04? Should I use another “formal ubuntu:20.04” that supports nvidia runtime？If so, where can I find it?

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problem solved. I use nvcr.io/nvidia/l4t-base instead.

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Glad to know issue resolved, thanks for the sharing!

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