Jetpack Not Detected Or Missing On Jetson Orin Nano

Issue Overview

Users of the Nvidia Jetson Orin Nano Dev Kit have reported issues where the Jetpack is not detected or is missing when running the Jtop application. This problem typically occurs after successfully flashing the device using the Nvidia SDK Manager.

Symptoms:

• Jtop displays a message indicating that Jetpack is not detected or missing.
• Users have confirmed this issue persists even after updating to Jetpack version 5.1.2.

Context:

• The issue arises during the initial setup and configuration of the Jetson Orin Nano Dev Kit, particularly after flashing the device and attempting to install Jetpack.

Relevant Specifications:

• Users are utilizing the Nvidia SDK Manager for flashing.
• The Jetpack version mentioned is 5.1.2.

Frequency:

• Multiple users have reported similar experiences, indicating that this may be a common issue among those configuring their devices.

Impact:

• This problem can hinder users from effectively utilizing their development kits, as Jetpack is essential for running applications and leveraging the full capabilities of the hardware.

Possible Causes

• Hardware Incompatibilities: Users may have selected incorrect target hardware settings in the SDK Manager, leading to installation issues.

• Software Bugs or Conflicts: There may be compatibility issues between Jtop and specific versions of Jetpack, especially if updates have not been released simultaneously.

• Configuration Errors: Incorrect selections during the installation process (e.g., choosing "Host Machine" instead of "Jetson AGX Orin") could lead to detection failures.

• Driver Issues: Missing or outdated drivers might prevent proper detection of installed components.

• User Errors: Misconfigurations during setup, such as failing to install necessary SDK components post-flashing, can result in detection problems.

Troubleshooting Steps, Solutions & Fixes

1. Verify Installation of Jetpack:

   • Run the following command in the terminal to check if Jetpack is installed:

     dpkg -l | grep nvidia-jetpack
     

2. Reinstall Jetpack:

   • If Jetpack is not detected, reinstall it using these commands:

     sudo apt update
     sudo apt upgrade
     sudo apt install nvidia-jetpack
     

3. Install Required Packages:

   • Ensure that all necessary packages are installed by executing:

     sudo apt install python3-pip
     sudo pip3 install -U jetson-stats
     

4. Check Target Hardware Configuration:

   • When using the SDK Manager, ensure that you select "Jetson AGX Orin" for Target Hardware rather than "Host Machine". This selection is crucial for proper configuration.

5. Reboot the Device:

   • After installation or reconfiguration, reboot your device to apply changes:

     sudo reboot
     

6. Consult Documentation:

   • Refer to the Jetson Orin Nano Developer Kit User Guide for detailed setup instructions and troubleshooting tips.

7. Community Support:

   • If issues persist, consider reaching out to community forums for additional support and potential solutions shared by other users.

Recommended Approach

Several users have successfully resolved their issues by following the steps outlined above, particularly by ensuring correct hardware selection in SDK Manager and reinstalling Jetpack after flashing.

Unresolved Aspects

While many users have found solutions, there are still questions regarding potential compatibility issues between Jtop and newer versions of Jetpack that may require further investigation from Nvidia support or community contributors.