Hi, I installed Jetpack 5.0.2 on AGX orin but the cuda can’t work. import torch print('CUDA available: ’ + str(torch.cuda.is_available())) CUDA available: False when I run ./deviceQuery, it shows ./deviceQuery Starting… CUDA Device Query (Runtime API) version (CUDART static linking) cudaG…

Hi, It seems that apt upgrade update your environment to r35.2.1. Would you mind reflashing your device with the latest JetPack 5.1.2 and checking if the issue still exists? Thanks.

Hi, how do you installed the jet pack? Because if you installed it using sdkmanager this will install everything including CUDA, but if you use only the flash script from l4t then you will need to install CUDA, you can do this using Ubuntu package manager: sudo apt install nvidia-jetpack

Thank you for your reply. I follow the commands of How to Install JetPack :: NVIDIA JetPack Documentation . I can’t remember how I install jetpack but I have updated it so I think it is fine. I use the commands below to update jetpack successfully. sudo apt update sudo apt dist-upgrade sudo ap…

Can you run nvidia-smi? it looks like a nvidia-driver problem.

Thank you for your reply. I think Nvidia-smi can’t work on Jetson. But the similar tool jtop can work correctly on my board.

Hi Could you help to check the output of CUDA_VISIBLE_DEVICES? Thanks.

I use echo $CUDA_VISIBLE_DEVICES and it returns nothing

Cuda can't work on AGX orin

Robotics & Edge Computing Jetson Systems Jetson AGX Orin

mr.liuhaolh August 21, 2023, 4:51am 8

Hi, I ran the command

echo “export CUDA_VISIBLE_DEVICES=${gpu}”

I got

export CUDA_VISIBLE_DEVICES=

I noticed that when I ran jtop and check the gpu, it showed it was offline. What means by that?

CUDA is installed and activated but echo $CUDA_VISIBLE_DEVICES returns nothing and can't use CUDA at all

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Cuda can't work on AGX orin

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