Feature suggestion to grub

[Aki Tossavainen]

This is something I've been wondering a while, but would it be possible to
build a "failsafe" system for grub which would work as follows:

When grub loads an image and starts it, it'll write into a well-known
location value (say: 0), which means that the boot has not succeeded. Then
the booted system could write using a tool into the same location a value
(say: 1), which means that the boot succeeded. If the computer is booted
before the value has been changed, grub would choose next option or
failsafe
option to boot.

Does this sound like something that could be made?

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Aki Tossavainen
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