Subj : uefi
To   : Kai Richter
From : Gerrit Kuehn
Date : Fri May 27 2022 04:18 pm

Hello Kai!

27 May 22 13:13, Kai Richter wrote to Gerrit Kuehn:


 GK>> I talked about cases where something is broken and your system 
 GK>> doesn't boot (maybe not even the bootmanager comes up). With MBR this 
 GK>> means reconfiguring BIOS boot order,

 KR> You have to enter the uefi shell by the same way: Dive into the BIOS 
 KR> and select it. If the system doesn't boot the boot override function 
 KR> is essential.

No, the default config of a BIOS usually is to come up with EFI shell if everything else fails.

 KR> I couldn't. The, no, my uefi shell is not self explaining. I failed 
 KR> to start a running system from the uefi shell. Well, ok, my fault.

Yes, that's the part that took me some time, too. ;)
However, the basic things are not that hard once you find out how it works.

 GK>> Some manufacturers provide firmware and bios update tools on efi
 GK>> meanwhile. In that case, you can just drop the new firmware and the
 GK>> upgrade tool on a USB stick and use UEFI-shell to run it from there.

 KR> So i have to wait until my BIOS company updates it's tools and i can 
 KR> save them within the BIOS.

?
Sorry, you lost me there.

 GK>> In the MBR-days you would have needed to have a MSDOS-system on the
 GK>> USB stick in addition

 KR> Why DOS? We need to kickstart the boot sequence.

I was talking about updating BIOS or firmware in your system here, not getting a broken system online again. Updating usually involves some kind of Windows software. As I don't use Windows, this doesn't help me. The fallback option usually is something DOS-based (if it exists), but this requires some extra steps. Having a EFI-based update tool is less of a hassle.

 KR> I'v seen an EFI editor which my bios doesn't have. Now i've to check 
 KR> if anyone provides this efi software.

Which software are you looking for? Most things can be set up with efibootmgr under Linux (or FreeBSD).


Regards,
Gerrit

....  4:18PM  up 65 days, 21:24, 8 users, load averages: 0.59, 0.50, 0.51

--- msged/fbsd 6.3 2021-12-02
 * Origin: We are the second generation (2:240/12)

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