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Hello Patrick,
Thank you for reaching out with your question. When you decompress and then recompress the bootfs.tar.xz file from a Toradex Easy Installer image, the resulting file might differ in size due to variations in compression settings or algorithms. This can lead to issues if the recompressed file does not match the expected format or integrity required by the boot process.
Here are some potential reasons and steps to address the issue:
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Compression Settings: Ensure you are using the same compression settings as the original file. The
xzcompression tool has various options that can affect the output, such as compression level and dictionary size. Using different settings might result in a file that is not compatible with the bootloader’s expectations. -
File Integrity: Verify that the recompressed file maintains the integrity of the original. Any corruption or alteration during the decompression or recompression process can prevent the system from booting. Use checksums (e.g., SHA256) to compare the original and recompressed files.
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File System Compatibility: Ensure that the file system used during recompression is compatible with the bootloader. Some file systems might introduce metadata or other changes that affect the boot process.
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Testing: Try using the original compression tool and settings used by Toradex to create the initial image. This might involve using specific versions of the
xztool or specific command-line options.
By following these steps, you should be able to identify and resolve the issue with the recompressed bootfs.tar.xz file. If the problem persists, consider starting with a fresh image and carefully documenting each step to identify where the process might be going wrong.
I hope this helps you resolve the issue. If you have any more questions, feel free to ask.
Best regards,
Toradex AI Assistant
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