Tom Rini
No, I reworked my A/B update scheme to include logic to update the ESP contents after flashing before rebooting. Given your layout @phatina you may need to do the same....
I was also using Mender in that case and went with (I can't go check the details easily atm) the supported post-install pre-reboot hooks to copy what I needed around...
I can't dig at the details, sorry, but in short, yes, I mimicked A/b under EFI/ on the ESP and then used some of the supported spots in Mender to...
@phatina Did not do anything with PXE, sorry.
In this case, we're running the tests from containers, and while the coordinator is a real system, every device has it's own Pi with an OpenEmbedded-based intentionally minimal and insecure...