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Add Rollback support #5

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merged 2 commits into from
May 3, 2024
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cakre
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@cakre cakre commented May 2, 2024

This PR does:

  • Reduce retry_count to 1 so the new slot failes directly if it's not verified after reboot
  • Make nv_update_verifier.service not verify the bootet slot if we are currently updating (mender commit will do that)
  • Move nv_update_verifier.service earlier in the boot process (before basic.target) to mitigate potential breakage of the bootslot by running reboot to early
  • Add state scripts to handle verifying the current bootchain on commit and aborting the capsule update in case we are rolling back before a reboot

cakre added 2 commits May 2, 2024 12:00
Signed-off-by: Carlo Kretzschmann <[email protected]>
When a rollback was started before rebooting the update capsule was still installed
on the next reboot and the boot chain was switched. We want to stay on the current chain
after a failed install though.

Signed-off-by: Carlo Kretzschmann <[email protected]>
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cakre commented May 2, 2024

One thing to note:
A powerloss after rebooting from an update will not trigger a rollback because cold boots do not decrease the retry counter of a slot. I don't think there is much we can do about that though

@mwest90 mwest90 merged commit 4b8cdde into mwest90:working-jetson-orin May 3, 2024
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2 participants