On Tue, Mar 23, 2021 at 5:09 PM Valdis Klētnieks <valdis.kletnieks@xxxxxx> wrote:
On Tue, 23 Mar 2021 18:36:58 +0200, Gidi Gal said:
> knowledge on this subject), I am now facing "invalid signature" error when
> I reboot with my installed dev kernel.
When/where exactly are you getting that error? There's three major
places where things can go wrong:
I believe just after you select which kernel you wish to boot into. Check below:
https://www.youtube.com/watch?v=bsCyZlLgrUY
https://www.youtube.com/watch?v=bsCyZlLgrUY
1) If you're using secure boot, and the grub2 stuff isn't signed by
a certificate your BIOS/EFI knows about.
2) If you're using secure boot, and the kernel itself isn't signed by
a certificate that grub2 knows about.
3) If your kernel config says modules have to be signed, and a module
isn't properly signed with a certificate that your kernel knows about.
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