Pat Viafore 0775862a25
Add mechanism to detect initrdless boot fallback
With this change, when we attempt to boot with an initramfs and fail,
initrdless_boot_fallback_triggered is set to non-zero in the grubenv.
This value can be checked after boot by looking in /boot/grub/grubenv
or by using the grub-editenv list command.

Addresses LP: #1870189
2021-02-18 15:47:20 -06:00
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