Comment 2 for bug 1900695

Thank you for filing a bug. Can you attach the curtin config/install logs?

https://discourse.maas.io/t/getting-curtin-debug-logs/169

There are several grub/EFI related fixes that are in curtin master; I'm not sure which version of curtin is in your stable MAAS snap; you might try testing with:

https://discourse.maas.io/t/maas-is-changing-my-boot-order/3491/5

which used:

snap refresh maas --channel=latest/edge/curtin-stable

 to get the most recent curtin with maas.