On Tue, 24 Sep 2019 09:31:08 +1000, Adam Carter wrote:

> > An update of the firmware flashes the UEFI EEPROM and as far as I have
> > experienced no settings are retained.  
> 
> A backward step from older MBR / BIOS functionality then. I guess that
> indicates that code and configuration are not separated.

I recently updated a firmware and all worked as before, so I think this
is implementation-dependent.

> # gdisk -l /dev/nvme0n1
> GPT fdisk (gdisk) version 1.0.4
> 
> Partition table scan:
>   MBR: protective
>   BSD: not present
>   APM: not present
>   GPT: present
> <snip>
> Number  Start (sector)    End (sector)  Size       Code  Name
>    1            2048         1955839   954.0 MiB   EF00  boot
>    2         1955840       976771071   464.8 GiB   8300  root
> 
> Not sure where the 'MBR: protective' came from as the system has been
> linux only from the start. I guess its either the default or I made an
> error during the build. AFAIK this is still a valid configuration, so I
> assume the signature message is not related to that.
> 
> I guess i could just try re-writing the partition table to see if that
> clears it.

I've just checked a couple of systems that have never used MBR and they
say the same. I'd ignore that.


-- 
Neil Bothwick

If at first you don't succeed, you'll get a lot of free advice from
folks who didn't succeed either.

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