this post was submitted on 03 Nov 2025
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"EFI stub" warning when booting (lemmy.cafe)
submitted 2 weeks ago by cinnamon@lemmy.cafe to c/linuxmint@programming.dev
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A couple of days ago I started getting an error message every time I boot my laptop. It says:

EFI stub: WARNING: Failed to measure data for event 1: 0x800000000000000b

Any idea what caused this / what the issue is / how I can resolve it?

Thank you!

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[โ€“] ClassyHatter@sopuli.xyz 1 points 2 weeks ago (1 children)

It's Secure Boot related. This might help: https://askubuntu.com/questions/1519290/efi-stub-warning-failed-to-measure-data-for-event-1-0800000000000000b-efi-stu

[โ€“] cinnamon@lemmy.cafe 2 points 2 weeks ago

Thank you! I'll look into it!