Universal Blue•2y ago

TPM issue when installing - Lenovo E14 AMD

I get “Unknown TPM issue” when trying to launch the installer. However I have TPM enabled in the bios, see pictures.

PyrreOP•1/10/24, 4:03 PM

Well I disabled the TPM module and now it works, I thought TPM would work in Linux.

HikariKnight•1/10/24, 6:17 PM

might be it just does not like the installer. i dont have tpm on my system so i cant really test it

PyrreOP•1/10/24, 6:47 PM

Yeah might be, because I have used both Fedora nad Kinoite before on this very system without changing any BIOS settings

HikariKnight•1/10/24, 6:49 PM

yeah our installer is our biggest problem

HikariKnight•1/10/24, 6:49 PM

so wouldnt surprise me if its an "installer tempremental about it"

M2•1/10/24, 10:34 PM

The tpm module for grub doesn't like heavily nested grub menus.

This is because every action in the grub is measured into a tpm register.

If you have that error, on the grub command line you can rmmod tpmrmmod tpm. Grub won't measure things into the tpm any more and you can select your menu item.

Disabling the tpm in the bios side steps the problem which is grubs tpm module needing some changes.

MM2 The tpm module for grub doesn't like heavily nested grub menus. This is because...

HikariKnight•1/10/24, 10:43 PM

huh, that would explain it

MM2 The tpm module for grub doesn't like heavily nested grub menus. This is because...

Exactly the problem is with GRUB, not Linux in general

I also had to disable the TPM in the UEFI tobe able to use the uBlue network installer, but I will definitly try that rmmod tpmrmmod tpm command next time in the grub loader...

TPM issue when installing - Lenovo E14 AMD

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