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Date:      Tue, 27 Aug 2019 08:43:53 +0300
From:      Toomas Soome <tsoome@me.com>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Rebecca Cran <rebecca@bsdio.com>, "O. Hartmann" <ohartmann@walstatt.org>, greg@unrelenting.technology, Karl Denninger <karl@denninger.net>, freebsd-current@freebsd.org
Subject:   Re: HELP: UEFI/ZFS Boot failure: Ignoring Boot000A: Only one DP found
Message-ID:  <2F3BAE06-4A3F-4FD2-94ED-886FEDA2ED93@me.com>
In-Reply-To: <CANCZdfofCFrvfaChjuBEqgVt9G3KKSnfL5SzEv_CZ%2BHobqdHJg@mail.gmail.com>
References:  <20190821232334.433d285c@thor.intern.walstatt.dynvpn.de> <20190821195847.577a165b@thor.intern.walstatt.dynvpn.de> <48D9A1D1-5A54-4FED-8DC8-40C9A5C9BE3A@me.com> <20190821213052.25d61cb4@thor.intern.walstatt.dynvpn.de> <480F8DE0-A38F-4BCA-9F36-0D812CDB7DD8@me.com> <20190821223140.643f6c63@thor.intern.walstatt.dynvpn.de> <f376ad0a-82de-3fca-3d72-7e938e9d1acd@denninger.net> <483d59b24a636d0214555610350b8d73@unrelenting.technology> <20190822050509.64c88a51@thor.intern.walstatt.dynvpn.de> <12E83654-1104-408E-9A1E-BE79308B9A92@me.com> <20190826132150.6f748419@freyja> <a1ddbe9b-642b-f3af-ce37-71c55c4a349a@bsdio.com> <CANCZdfofCFrvfaChjuBEqgVt9G3KKSnfL5SzEv_CZ%2BHobqdHJg@mail.gmail.com>

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> On 27 Aug 2019, at 08:08, Warner Losh <imp@bsdimp.com> wrote:
>=20
> On Mon, Aug 26, 2019, 5:32 PM Rebecca Cran <rebecca@bsdio.com =
<mailto:rebecca@bsdio.com>> wrote:
>=20
>> On 8/26/19 5:22 AM, O. Hartmann wrote:
>>=20
>>>=20
>>> the other thing is the weird Lenovo handling of the UEFI vars. The =
only
>> way to
>>> boot the E540 (after(!) disabling _BEARSSL in src.conf and =
rebuilding
>>> everything) was to set the loader's name to EFI/BOOT/BOOTx64.efi.
>> Setting the
>>> variable to contain EFI/BOOT/loader.efi failed as well as setting
>>> EFI/FreeBSD/loader.efi.
>>=20
>>=20
>> I've been suggesting FreeBSD should install the loader as
>> \EFI\BOOT\BOOTx64.efi for a while (as long as there's not already a
>> different vendor's loader there), without much success. Hopefully =
this
>> finding can cause us to reconsider.
>>=20
>=20
> That's the first machine I've seen where you have to set the name like
> that... there is a larger story here and we are getting incomplete =
reports
> because it doesn't quite make sense yet...
>=20
> But there are enough reasons not to do that by default. For one thing, =
it
> messes up rEFInd, or can. Windows doesn't install there. At most we =
should
> prompt for older machines.  We shouldn't mortgage our future to cope =
with a
> legacy we know will sunset soon...
>=20
> Warner
>=20

For me it is still confusing if this is path versus upper-lower capital =
chars.=20

If that vendor is using suggestion from UEFI Spec 2.7A section 3.5.1.1 =
(page 91), then the file name should also end with .EFI. (and yes, I =
know, that section is talking about removable media).

Therefore the question is, does lenovo accept name like =
EFI/FREEBSD/LOADER.EFI? Or what form is used there for windows paths?

If we should or should not use EFI/BOOT path - perhaps the installer =
should prefer vendor path by default. But till there is confusion, there =
should be some notes in some documentation...

rgds,
toomas=



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