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Sheogorath 🦊

@pid_eins but would this really prevent it, when the configuration of a kernel driver goes bad? If I understand things correctly here (big if), only if you store that config in a volume that can be reverted it would be possible to fix the issue.

Otherwise you boot into the emergency shell and you are non the wiser than Windows systems are right now.

And given it's an endpoint protection that is supposed to react pretty instant to changes, I don't see how you would get theses in the A/B update.

1 comment
Lennart Poettering

@sheogorath on linux drivers dont really have a "configuration" per se. At least not much you pass into the early, risky parts of the boot process. Subsystems might have some config. In a systemd world you wrap the im authenticated/signed PE addons or confext images, and those you drop next to a specific kernel image, thus you can revert them together as one or update as one and so on. Or in other words: the way we parameterize kernels in modern ways also makes it easy to do assessment/fallback.

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