Re: 24.3. Updating Bootcode

@ main-n257521-97be6fced7db

Clean boot without warnings.
OK.

Thanks,

Nuno Teixeira <eduardo@freebsd.org> escreveu no dia quinta, 18/08/2022 à(s)
12:04:

> Forgot to send a screenshot
> <https://people.freebsd.org/~eduardo/logs/boot%4020220817.JPG> for
> loader.efi @ main-n257458-ef8b872301c5
> ( +Boot0007* FreeBSD-14
> HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)/File(\efi\freebsd\loader.efi)
>                          nvd0p1:/efi/freebsd/loader.efi
> /boot/efi//efi/freebsd/loader.efi )
>
> Someone talked about this warnings earlier:
> ---
> Attempted extraction of recovery data from stadard superblock: failed
> Attempt to find boot zone recovery data: failed
> (...)
> ---
> But it boots ok.
>
> Cheers,
>
> Nuno Teixeira <eduardo@freebsd.org> escreveu no dia quarta, 17/08/2022
> à(s) 19:18:
>
>> *** and "EFI Hard Drive"(legacy <ESP>/efi/boot/bootx64.efi) from BIOS.
>>                                                                    ^^^^
>>
>> Nuno Teixeira <eduardo@freebsd.org> escreveu no dia quarta, 17/08/2022
>> à(s) 19:14:
>>
>>> Hi,
>>>
>>> And it's done:
>>> ---
>>>  Boot0007* FreeBSD-14
>>> HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)/File(\efi\freebsd\loader.efi)
>>>                          nvd0p1:/efi/freebsd/loader.efi
>>> /boot/efi//efi/freebsd/loader.efi
>>> +Boot0006* FreeBSD-14_old
>>> HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)/File(\efi\freebsd\loader-old.efi)
>>>                              nvd0p1:/efi/freebsd/loader-old.efi
>>> /boot/efi//efi/freebsd/loader-old.efi
>>>  Boot0004* Windows Boot Manager
>>> HD(1,GPT,8c497825-1db2-41f8-8924-85dfd0bb7283,0x800,0x82000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)
>>>
>>>  da1p1:/EFI/Microsoft/Boot/bootmgfw.efi (null)
>>>  Boot0000* EFI Hard Drive (SAMSUNG MZVLB1T0HBLR-000L2)
>>> PciRoot(0x0)/Pci(0x1d,0x0)/Pci(0x0,0x0)/NVMe(0x1,39-f9-b8-01-81-38-25-00)/HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)
>>> ---
>>> and I can choose "FreeBSD-14"(<ESP>/efi/freebsd/loader.efi),
>>> "FreeBSD-14_old"(<ESP>/efi/freebsd/loader-old.efi) and "EFI Hard
>>> Drive"(legacy <ESP>/efi/bootx64.efi) from BIOS.
>>>
>>> NOTE: efibootmgr(8) example is:
>>> ---
>>> efibootmgr -a -c -l /boot/efi/EFI/freebsd/loader.efi -L FreeBSD-11
>>>                                           ^^^
>>> ---
>>> But I choosed "efi" instead of "EFI"...
>>>
>>> Thanks all for helping me understand it!
>>>
>>> Cheers,
>>>
>>>
>>> Warner Losh <imp@bsdimp.com> escreveu no dia terça, 16/08/2022 à(s)
>>> 18:19:
>>>
>>>>
>>>>
>>>> On Tue, Aug 16, 2022 at 6:01 AM Nuno Teixeira <eduardo@freebsd.org>
>>>> wrote:
>>>>
>>>>> Hi Toomas,
>>>>>
>>>>> For better OS support, the UEFI specification (UEFI 2.8A Feb 14, page
>>>>>> 499) is suggesting to use structure like:
>>>>>>
>>>>>> <ESP>/efi/<OS>/…
>>>>>>
>>>>>> And to use this suggestion, it means the UEFI Boot Manager needs to
>>>>>> be configured (see efibootmgr(8)).
>>>>>>
>>>>>> Therefore, once you have set up OS specific setup, there is no use
>>>>>> for default (<ESP>/efi/boot/…) and you need to update one or another, but
>>>>>> not both.
>>>>>>
>>>>>
>>>>> FreeBSD have <ESP>/efi/freebsd/... but it's not configured in
>>>>> efibootmgr:
>>>>>
>>>>
>>>> The current default installer will do this, but older upgraded systems
>>>> don't do this by default. Likely you are looking at an older
>>>> system and/or one of the 'bad actors' that reset this stuff between
>>>> boots.
>>>>
>>>>
>>>>> efibootmgr -v:
>>>>> ---
>>>>> BootOrder  : 0004, 0000, 2002, 2003, 2001
>>>>> Boot0004* Windows Boot Manager
>>>>> HD(1,GPT,8c497825-1db2-41f8-8924-85dfd0bb7283,0x800,0x82000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)
>>>>>
>>>>>  da0p1:/EFI/Microsoft/Boot/bootmgfw.efi (null)
>>>>> +Boot0000* EFI Hard Drive (SAMSUNG MZVLB1T0HBLR-000L2)
>>>>> PciRoot(0x0)/Pci(0x1d,0x0)/Pci(0x0,0x0)/NVMe(0x1,39-f9-b8-01-81-38-25-00)/HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)
>>>>>  Boot2002* EFI DVD/CDROM
>>>>>  Boot2003* EFI Network
>>>>>  Boot2001* EFI USB Device
>>>>> ---
>>>>> so boot is definitely using <ESP>/efi/boot/bootx64.efi @Boot0000
>>>>>
>>>>
>>>> In your case, that's true. The "EFI Hard Drive" is a default entry the
>>>> UEFI BIOS created for you.
>>>>
>>>>
>>>>> I think I can create a new boot:
>>>>> ---
>>>>> efibootmgr -a -c -l /boot/efi/efi/freebsd/loader.efi -L FreeBSD-14
>>>>> (and make it active)
>>>>> efibootmgr -a -b NNNN
>>>>> ---
>>>>> and create other for loader.efi.old in case of problems.
>>>>>
>>>>
>>>> Yes.
>>>>
>>>>
>>>>> In this case I will need only update <ESP>/efi/freebsd/loader.efi.
>>>>>
>>>>> Q: for what has been said in mailing, boot is compiled in
>>>>> /usr/src/stand, isn't a good idea that when it install new boot it backup
>>>>> old boot like /boot/kernel -> /boot/kernel.old?
>>>>>
>>>>
>>>> Yes. In fact that's what's done, but only for the BIOS version. We
>>>> should do the same for efi but don't seem to do so currently. But that's
>>>> likely tied up behind issues of installing things automatically into the
>>>> ESP on 'installworld'.
>>>>
>>>> Warner
>>>>
>>>
>>>
>>> --
>>> Nuno Teixeira
>>> FreeBSD Committer (ports)
>>>
>>
>>
>> --
>> Nuno Teixeira
>> FreeBSD Committer (ports)
>>
>
>
> --
> Nuno Teixeira
> FreeBSD Committer (ports)
>


-- 
Nuno Teixeira
FreeBSD Committer (ports)