Re: HELP: UEFI/ZFS Boot failure: Ignoring Boot000A: Only one DP found

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Am Wed, 21 Aug 2019 22:14:46 +0300
Toomas Soome <tsoome_at_me.com> schrieb:

> If you drop into efi shell, can you start efi/boot/bootx64.efi manually? you should have
> fs0: or like for ESP.
> 
> rgds,
> toomas

Hello,

I can't even stop to gain access to the shell; there is no timeframe to hit any key to stop by
and access the efi shell. 

Kind regards,
oh

> 
> > On 21 Aug 2019, at 20:58, O. Hartmann <ohartmann_at_walstatt.org> wrote:
> > 
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> > I ran into serious trouble booting several boxes off UEFI. On modern hardware,
> > the ESP is around 200 - 300 MB in size and usually I install
> > /efi/freebsd/loader.efi, loader.efi taken from /boot/loader.efi. On some older
> > hardware, specifically on a Lenovo E540 with latest available firmware (2.28),
> > which uses 12-STABLE and a ZFS-only installation, there seems no working loader
> > anymore!
> > The installation of the Laptop has been performed using 12.0-PRERELEASE on an
> > Samsung EVO 860 500GB SSD. The ESP is 200M in size and contained
> > /efi/boot/BOOTx64.efi and /efi/boot/startup.nsh.
> > 
> > The ESP has been destroyed by accident. Now I tried to solve the problem by
> > installing a new ESP and the proper loader, assuming that /boot/loader.efi
> > (taken from a FreeBSD-13-CURRENT or from 12-STABLE of the same revision and
> > sompiled on the same platform (Intel Haswell) as the lost laptop's revison of
> > the OS is at. But I fail doing so. Somehow Lenovo's firmware is setting up a
> > lot of UEFI boot numbers as provided via "efibootmgr -b 000X", X some Hex
> > numer. -b 000A is usually denoted/labeld with "ATA HDD0".
> > 
> > Installing the proper boot/loader.efi loader file from 12-STABLE (r351108) and
> > setting the EFI variable according the following steps:
> > 
> > mount -t msdosfs /dev/ada0p1 /mnt (ESP is on GPT partition 1, 0p2 is zroot)
> > Install then loader.efi either as BOOTx64.efi or loader.efi under
> > /mnt/efi/boot/ or /mnt/efi/freebsd/ and then set the boot environment
> > accordingly via
> > 
> > delete 000A first:
> > efibootmgr -B -b 000A
> > 
> > create the new efi boot var:
> > efibootmgr -a -b 000A -c -l /mnt/efi/{freebsd|boot}/{loader.efi|BOOTx64.efi} -L
> > FreeBSD
> > 
> > The result is a non booting system, the Lenovo firmware jumps immediately into
> > the menu for selecting a proper boot media.
> > 
> > The same happens with /boot/boot1.efi installed as loader.efi or BOOTx64.efi
> > shown above.
> > 
> > In case I just brute-force flash the ESP with /boot/boot1.efifat, dd
> > if=boot1.efifat of=/dev/ada0p1 (ESP) (taken from the propper 12-STABLE system I
> > spoeke of above), then booting fails again, but this time with an error I watch
> > on so many boxes recently:
> > 
> > [...]
> > Ignoring Boot000a: Only one DP found
> > Trying ZFS pool
> > Setting currdev to zfs:zroot/ROOT/default:
> > 
> > Then the console freezes at that point and only RESET or POWER OFF is capable
> > of a revive.
> > 
> > What is wrong here? What am I missing?
> > 
> > Thanks in advance,
> > 
> > oh
> > 
> > 
> > - -- 
> > O. Hartmann
> > 
> > Ich widerspreche der Nutzung oder Übermittlung meiner Daten für
> > Werbezwecke oder für die Markt- oder Meinungsforschung (§ 28 Abs. 4 BDSG).
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- -- 
O. Hartmann

Ich widerspreche der Nutzung oder Übermittlung meiner Daten für
Werbezwecke oder für die Markt- oder Meinungsforschung (§ 28 Abs. 4 BDSG).
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