New Jetpack 5: odmfuseread.sh still broken

Issue Overview

Users are experiencing issues with the odmfuseread.sh script on the Nvidia Jetson Orin Nano Dev board after the release of JetPack 5. The main symptoms include:

• Python3 Compatibility Issue: An AttributeError occurs when executing the script, indicating that the method getiterator is not recognized. Users are instructed to update line 1946 in the script from getiterator to iter.

• Incomplete Help Text: The usage description of the script does not include the board ID 0x23, which is necessary for proper execution.

The problem arises during the execution of commands related to secure boot and fuse variables, particularly when users attempt to read or modify settings using the script. The issue has been reported consistently across various setups, impacting user experience by preventing successful execution of critical operations.

The specific context includes:

• Hardware: Nvidia Jetson Orin Nano Dev board
• Software: Jetson Linux R35.5.0 (JetPack 5.1.3)
• Operating Systems: Ubuntu 20.04 and 22.04 LTS

This issue has been noted by multiple users, highlighting its frequency and impact on functionality.

Possible Causes

Several potential causes for the issues with odmfuseread.sh have been identified:

• Python Compatibility: The use of Python 3.10 may introduce compatibility issues with scripts that rely on older Python methods like getiterator.

• Script Errors: The existing code in tegraflash_impl_t234.py contains outdated method calls that lead to runtime errors.

• Configuration Errors: Missing or incorrect parameters (like board ID) in command usage can prevent successful script execution.

• Driver Issues: Incompatibilities between the installed drivers and the current version of JetPack may cause failures during operations.

• OS Compatibility: Users running newer versions of Ubuntu (like 22.04) may encounter issues that do not appear in older versions (like 20.04).

Troubleshooting Steps, Solutions & Fixes

To resolve the issues with odmfuseread.sh, follow these comprehensive troubleshooting steps:

1. Update Script Code:

   • Open the file located at /home/your_user/Jetson_Linux_R35.5.0_aarch64/Linux_for_Tegra/bootloader/tegraflash_impl_t234.py.
   • Locate line 1946 and replace:

     for file_nodes in xml_tree.getiterator('file'):
     

     with:

     for file_nodes in xml_tree.iter('file'):
     

2. Check Command Usage:

   • Ensure you are using the correct command format:

     sudo ./odmfuseread.sh -i 0x23 -k ~/jetson-secureboot/keys/pkc.pem -S ~/jetson-secureboot/keys/sbk.key jetson-orin-nano-devkit
     

   • Verify that all paths to keys and files are correct.

3. Verify OS Version:

   • Confirm that you are using a compatible version of Ubuntu (preferably 20.04 LTS). If using 22.04, consider downgrading or testing on a supported version.

4. Test with Different Python Versions:

   • If possible, test running the script with Python 3.8 or another compatible version to check for compatibility issues.

5. Environment Check:

   • Make sure all dependencies are installed correctly, especially those related to Python and Nvidia SDKs.
   • Run the following command to check your environment:

     python3 --version
     

6. Consult Documentation:

   • Refer to Nvidia’s official documentation for any updates or patches related to JetPack and odmfuseread.sh.

7. Community Feedback:

   • Engage with community forums for additional support or updates regarding similar issues faced by other users.

8. Report Unresolved Issues:

   • If problems persist after following these steps, consider reporting them on relevant forums or contacting Nvidia support for further assistance.

By following these steps, users should be able to diagnose and potentially resolve issues related to the odmfuseread.sh script on their Nvidia Jetson Orin Nano Dev board effectively.