I've added a note about this to the release notes:
* If btrfs is used for `/boot`, then the gap between the start of the disk and the first partition must be more than the traditional 63 sectors. A good modern default is 1 MiB. (Bug:774217)
I've added a note about this to the release notes:
* If btrfs is used for `/boot`, then the gap between the start of the disk and the first partition must be more than the traditional 63 sectors. A good modern default is 1 MiB. (Bug:774217)