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Recovering from a failed upgrade - Challenges
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Implementing A/B System Updates with U-Boot
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- 1 Michael Opdenacker
- 2 Abstract
- 3 Context and experience
- 4 Full image update approaches
- 5 Main practical questions
- 6 Using partition bootable flags
- 7 Detecting the active partition in Linux
- 8 Detecting the active partition in U-Boot at boot time
- 9 U-Boot: booting on the active partition (2)
- 10 U-Boot: using extlinux support (2)
- 11 Recovering from a failed upgrade - Challenges
- 12 Accessing the U-Boot environment from Linux
- 13 Using a watchdog
- 14 Editing a partition's bootable flag from U-Boot
- 15 Why partition flags?
- 16 Limitations and advice
- 17 Strategies for updating the bootloader?
- 18 What to remember
- 19 References
