Re: trying to install testing from usb

On Fri, May 29, 2026 at 1:52 AM <[email protected]> wrote:
>
> On Thu, May 28, 2026 at 09:50:27AM -0700, Paul Scott wrote:
> >
> > [...]
> > The installation is maybe complete. When I restart and choose Debian from
> > the standard grub menu I get
> >
> > error ../../../grub-core/commands/efi/tpm.c:144:command failed.
>
> [...]
>
> Hm. Perhaps your BIOS has a flaky secure boot implementation. Try
> playing with the BIOS settings for secure boot?

Some motherboards lack TPM modules.  Newer motherboards have them for
Windows Hardware Compatibility.  But olders ones may not.  For
example, I have a ASUS Z170M-E which supports Skylake processors
(circa 2015), and it lacks a TPM.  The TPM is optional, and you can
purchase the TPM and plug it into a header on the motherboard.

For the ASUS motherboard, I purchased the optional TPM:

    [jwalton@skylake ~]$ sudo ls /dev/tpm*
    /dev/tpm0  /dev/tpmrm0

And this may be related:
<https://lists.gnu.org/archive/html/grub-devel/2021-02/msg00107.html>.

Jeff